396 results on '"Awad, E"'
Search Results
352. Electrical and optical properties of Makrofol DE 1-1 polymeric films induced by gamma irradiation.
- Author
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Rammah, Y. S., Ibrahim, S. E., and Awad, E. M.
- Subjects
DIELECTRIC loss ,PERMITTIVITY ,RADIATION damage ,BAND gaps ,OPTICAL properties - Abstract
Background: A set of Makrofol DE 1-1 polymeric samples was irradiated to different gamma doses. The dielectric response of irradiated polymers was investigated at a wide range of frequencies at room temperature. The modification induced in optical properties include the optical band gap (E
optical ), number of carbon per cluster (M), number of carbon per length (N), and refractive index (n) for irradiated samples were studied as well. Methods: The dielectric constant (έ), dielectric loss factor (ε˝), loss tangent (tanδ), the ac electrical conductivity (σac ), and impedance (Z) were measured in the frequency range from (100) Hz to (100) MHz. The optical band gap energy and its corresponding parameters for the samples were evaluated using ineffective thickness method (ITM). Results: Gamma-ray irradiation had a considerable effect on the optical band gap energy for Makrofol DE 1-1 polymer detector film, which decreases from 4.20 to 3.96 eV and 4.35 to 4.16 eV for indirect and direct allowed transitions in ITM method, respectively, while it decreases from 4.40 to 4.20 eV in DITM method as a result of γ-ray dose increases. (n) of all studied samples is considerably high. (N) and (M) for the direct transition are lower than that for the indirect transition and their values increase with increasing gamma dose. Conclusion: The results reveal that Makrofol DE1-1 polymer can be used as gamma dosimeter. Furthermore, Makrofol DE1-1 has much greater resistance to radiation damage; the attained results suggested strongly the applicability of Makrofol DE1-1 polymer to be used in medical products applications and suitable for optoelectronic and photoelectric devices. [ABSTRACT FROM AUTHOR]- Published
- 2019
- Full Text
- View/download PDF
353. Cognitive impairment after cerebrovascular stroke: Relationship to vascular risk factors
- Author
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Eman Khedr, Hamed, S. A., El-Shereef, H. K., Shawky, O. A., Mohamed, K. A., Awad, E. M., Ahmed, M. A., Shehata, G. A., and Eltahtawy, M. A.
354. Effect of dietary Achillea wilhelmsii extract on growth performance, and immune status of common carp (Cyprinus carpio)
- Author
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Adel, M., Gholaghaie, M., mohammad binaii, Khanjany, P., and Awad, E.
355. Clinical, virological and parasitological characteristics of hepatocellular carcinoma in Alexandria, Egypt
- Author
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Gandin, C., Sakr, A., Saleh, A., Awad, E., Nagi, A., Zaki, Y., Chionne, P., Dettori, S., Khalil, R., Bedwani, R., Rocchi, G., Rapicetta, R., and Angelico, M.
- Subjects
Liver cancer -- Development and progression ,Health ,Development and progression - Abstract
Clinical, Virological and Parasitological Characteristics of Hepatocellular Carcinoma in Alexandria, Egypt.' C. Gandin, A. Sakr, A. Saleh, E. Awad, A. Nagi, Y. Zaki, P. Chionne, S. Dettori, R. Khalil, R. [...]
- Published
- 1998
356. The effect of comprehensive outpatient pulmonary rehabilitation on dyspnea.
- Author
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Reardon J, Awad E, Normandin E, Vale F, Clark B, and ZuWallack RL
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- Aged, Dyspnea etiology, Dyspnea physiopathology, Exercise Test, Exercise Tolerance, Female, Forced Expiratory Volume, Humans, Lung Diseases, Obstructive complications, Male, Middle Aged, Oxygen Consumption, Patient Education as Topic, Vital Capacity, Ambulatory Care, Dyspnea rehabilitation, Exercise Therapy
- Abstract
To evaluate the effect of outpatient pulmonary rehabilitation (OPR) on dyspnea, we measured this symptom using a visual analogue scale during graded treadmill exercise testing and with baseline and transitional dyspnea indices (TDI). The latter measure overall dyspnea in three spheres: functional impairment, magnitude of task, and magnitude of effort. Twenty patients with COPD referred for OPR were randomly assigned to either a treatment group (T, n = 10), with dyspnea evaluated at baseline then shortly following a 6-week OPR program, or a control group (C, n = 10), with dyspnea evaluated at baseline then following a 6-week waiting period. No significant change in maximal exercise performance from baseline to repeated testing was observed in either group. Dyspnea at maximum treadmill workload (Dmax), which did not significantly change in C, decreased from 74.4 +/- 18.9 percent at baseline to 50.5 +/- 23.2 percent post-OPR in T (p = 0.006). The Dmax related to minute ventilation (Dmax/VEmax) and oxygen consumption (Dmax/VO2max) also significantly decreased following OPR. The reduction in exertional dyspnea was apparent by the second minute of exercise. Additionally, TDI focal scores were significantly higher in T than C (2.3 +/- 1.06 vs 0.2 +/- 1.75 units, p = 0.006), indicating decreased overall dyspnea following OPR. These results point to significant improvements in both exertional and clinically assessed dyspnea following OPR.
- Published
- 1994
- Full Text
- View/download PDF
357. Characteristics of cancer patients under the age of 20 at medical centers in Israel and the West Bank: a preliminary study.
- Author
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Horn Y, Zippin C, Salhab AR, Horani Y, Ilian M, and Awad E
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- Adolescent, Adult, Age Distribution, Child, Child, Preschool, Female, Humans, Infant, Israel epidemiology, Male, Middle East epidemiology, Registries, Sex Distribution, Ethnicity statistics & numerical data, Jews statistics & numerical data, Neoplasms ethnology
- Abstract
This paper describes the demographic experience on 373 young cancer patients (less than 20 years of age) at two oncology centers initiated in Israel by one medical team in 1975-1977. These units are the Assaf Harofeh Medical Center (AHMC), which predominantly serves a Jewish population (103 cases); and the West Bank Cancer Unit (WBCU), which provides similar care services to the Arab population of the West Bank (270 cases). The two centers have the unique feature of serving two populations residing in close relationship but still differing in many cultural and socioeconomic characteristics. The Arab patients at WBCU tended to be younger than the Jewish children at AHMC. The five most common diagnostic sites for both AHMC and WBCU included hematopoietic system, bones and joints, soft tissue, urinary tract, and brain and nervous system, although not in the same order of occurrence. These tumor sites accounted for approximately 80% of the cases at each center. The experience with WBCU patients was also compared with data for all Jews in Israel. This comparison identified for both sexes combined statistically significant differences in relative frequency of tumors of soft tissue, eye and orbit, brain and nervous system, and thyroid gland. If confirmed by additional data, reasons for the suggested excess risks should be pursued through more definitive epidemiological studies.
- Published
- 1993
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358. Thrombotic thrombocytopenic purpura in systemic lupus erythematosus and antiphospholipid antibodies: effective treatment with plasma exchange and immunosuppression.
- Author
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Hess DC, Sethi K, and Awad E
- Subjects
- Adult, Anemia, Hemolytic complications, Antiphospholipid Syndrome immunology, Brain pathology, Brain Diseases complications, Brain Diseases diagnosis, Cyclophosphamide therapeutic use, Female, Humans, Injections, Intravenous, Lupus Erythematosus, Systemic immunology, Purpura, Thrombotic Thrombocytopenic immunology, Tomography, X-Ray Computed, Antibodies, Antiphospholipid analysis, Antiphospholipid Syndrome complications, Antiphospholipid Syndrome therapy, Immunosuppressive Agents therapeutic use, Lupus Erythematosus, Systemic complications, Lupus Erythematosus, Systemic therapy, Plasma Exchange, Purpura, Thrombotic Thrombocytopenic complications, Purpura, Thrombotic Thrombocytopenic therapy
- Abstract
We describe 2 patients with systemic lupus erythematosus (SLE) with neurological complications and thrombocytopenia, who, upon further investigation, were found to have thrombotic thrombocytopenic purpura. While neither patient responded to treatment with corticosteroids, both responded to plasma exchange and intravenous cyclophosphamide. This highlights the need to carefully consider this diagnosis in patients with SLE presenting with neurological complications and thrombocytopenia.
- Published
- 1992
359. ANATOMICAL STUDY ON GLADIOLUS STEM APEX AS AFFECTED BY KINETIN, GIBBERELLIN, ETHEPHON CONCENTRATIONS AND γ-IRRADIATION DOSES
- Author
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El-Rahman, A., primary, Awad, E., additional, and Abd El-Hamied, A., additional
- Published
- 1985
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360. Isoenzyme distribution of creatine kinase and lactate dehydrogenase in serum and skeletal muscle in Duchenne muscular dystrophy, collagen disease, and other muscular disorders.
- Author
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Yasmineh, W G, primary, Ibrahim, G A, primary, Abbasnezhad, M, primary, and Awad, E A, primary
- Published
- 1978
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361. Miller Fisher syndrome in systemic lupus erythematosus.
- Author
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Hess DC, Awad E, Posas H, Sethi KD, and Adams RJ
- Subjects
- Adult, Female, Humans, Lupus Erythematosus, Systemic physiopathology, Lupus Erythematosus, Systemic therapy, Neural Conduction, Plasma Exchange, Respiration, Artificial, Lupus Erythematosus, Systemic complications, Polyradiculoneuropathy etiology
- Abstract
We describe the first case of Miller Fisher syndrome, a Guillain Barré variant, complicating systemic lupus erythematosus. The symptoms and signs mimicked a brainstem syndrome. Despite treatment with high dose gamma globulin, our patient worsened and required mechanical ventilation. After plasma exchange, the patient improved.
- Published
- 1990
362. Creatine phosphokinase and other serum enzyme activity after controlled exercise
- Author
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Swaiman, K. F., primary and Awad, E. A., additional
- Published
- 1964
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363. Recovery of Uranium from Sulfate Leach Liquor Using Natural Orange Peel Extractant.
- Author
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Abdelhakim, A. M., Mohamed, I. R., Awad, E. A. M., and El-Sheikh, E. M.
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- *
ORANGE peel , *URANIUM , *URANIUM compounds , *SULFATES , *LEACHING , *URANIUM oxides , *LIQUORS - Abstract
An efficient natural bioextractant, orange peel extractant, was applied to recover uranium as one of hazardous elements. Batch experiments were carried out to determine the effect of various factors on the uranium extraction using a synthetic standard solution. These factors include the diluent type, pH, solvent concentration, contact time, and temperature. Under the optimum conditions (pH 4, A/O = 3/1), the maximum saturation capacity of the orange peel extractant for uranium reaches approximately 54.5 mg/g. The extracted uranium ions were almost completely eluted with NaCl/H2SO4 (1 M each). The procedure was applied to real sulfate leach liquor of a clay stone sample from Southeastern Sinai, Egypt. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
364. Hepatitis viruses and parasite infections as causes of chronic liver disease in Egypt: the Italian-Egyptian cooperation project
- Author
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Angelico, M., Renganathan, E., Gandin, C., Fathy, M., Profli, M.C., Refai, W., De Santis, A., Nagi, A., Amin, G., Awad, E., Capocaccia, L., Callea, F., Rapicetta, M., Badr, G., and Rocchi, G.
- Subjects
Hepatitis -- Physiological aspects -- Complications and side effects ,Parasitic diseases -- Complications and side effects -- Physiological aspects ,Liver diseases -- Causes of -- Complications and side effects -- Physiological aspects ,Health ,Physiological aspects ,Complications and side effects ,Causes of - Abstract
Hepatitis Viruses and Parasite Infections as Causes of Chronic Liver Disease in Egypt: The Italian-Egyptian Cooperation Project.' M. Angelico, E. Renganathan, C. Gandin, M. Fathy, M.C. Profli, W. Refai, A. [...]
- Published
- 1998
365. G20 Neonatal hypertension as a result of transient hyperaldosteronism: case series
- Author
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Al Awad, E, Yusuf, K, Soraisham, A, Obaid, H, Sundaram, A, Samedi, V, and Akierman, A
- Abstract
Neonatal hypertension (NH) is an uncommon but important clinical problem in neonates. The most important non-renal association with NH is Bronchopulmonary Dysplasia (BPD). Exact mechanism of hypertension in BPD infants is not known.The purpose of this case series is to describe our experience with the use of spironolactone, an aldosterone antagonist, in neonates with hypertension and BPD.MethodsRetrospective case review conducted at Level II NICU in Calgary from 2013 to 2017 revealed 10 preterm infants with BPD and NH who had plasma renin and aldosterone levels done as part of their investigations for hypertension. NH was defined by blood pressure >95 th centile of the normative data. Maternal characteristics included age, smoking and drug use, history of pregnancy induced hypertension, preeclampsia, gestational diabetes, antenatal steroids and mode of delivery. Neonatal characteristics included gestational age, birth weight, sex, intrauterine growth restriction, APGAR scores, insertion of umbilical arterial catheterization and the presence of BPD. All infants had serum creatinine, electrolytes, urinalysis, plasma renin and aldosterone levels, renal ultrasound and ECHO done. Data collected also included age at diagnosis of hypertension, age at initiation of treatment, medications used, response to treatment and follow up.ResultsNH in all infants was diagnosed after 36 weeks GA and treatment was started at presence of persistent hypertension >99 th centile. 3 infants were initially started on amlodipine and Furosemide with no response and were changed to aldactazide. 2 infants received only Furosemide with no response. 5 of the remaining infants were started on aldactazide as a first line treatment to target hyperaldosteronism. All infants responded within 48 hours of treatment with aldactazide. All 10 infants developed mild hyponatremia which required sodium chloride supplementation until aldactazide was discounted. Hypertension was transient lasting from 3 months till 16 months post term and medications were discontinued with normal blood pressures.ConclusionTransient hyperaldosteronism is one of the possible causes for hypertension in preterm infants. Our case series demonstrates association preterm of NH with elevated aldosterone and low rennin without any other apparent cause for the hypertension. All infants responded to aldactazide, an aldosterone antagonist containing medication.
- Published
- 2018
- Full Text
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366. Active devices and wiring under chip bond pads: stress simulations and modeling methodology.
- Author
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Awad, E.
- Published
- 2004
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367. Stacked-chip packaging: electrical, mechanical, and thermal challenges.
- Author
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Awad, E., Hanyi Ding, Graf, R.S., and Maloney, J.J.
- Published
- 2004
- Full Text
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368. Detrusor muscle and sphincteric response to anorectal stimulation in spinal cord injury.
- Author
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Rodriquez AA and Awad E
- Subjects
- Humans, Male, Physical Stimulation, Urethra physiopathology, Anal Canal physiopathology, Muscles physiopathology, Rectum physiopathology, Spinal Cord Injuries physiopathology
- Abstract
Twelve patients with spinal cord injuries were studied to determine whether the anal sphincter could be used as an index of urethral sphincter activity and to determine the bladder and striated sphincter response to anal and rectal stimulation. Electromyogram (emg) needle electrodes were placed in the external urethral sphincter, external anal sphincter and levator ani. The output of a cystometer was simultaneously recorded on the printout so that the relationship of the striated muscle response to distension of the bladder could be observed. The response to inserting a finger into the external anal canal, external anal sphincter stretch and rectal balloon distension was also observed. The external urethral and anal sphincter activity was closely linked during bladder contraction and anorectal stimulation. The levator ani showed divergent activity. Stretch of the external anal sphincter caused an initial period of increased striated muscle activity, then in 10 of 12 patients abrupt and often marked inhibition of both sphincters and levator ani developed with continued stretch. Ongoing bladder contractions were inhibited and a decrease in bladder tone developed in 7 of 12. Stretch of the rectum produced results similar to those with anal stretch except that bladder facilitation was seen in 4 of 12 patients.
- Published
- 1979
369. Chromatographic separation of haemoglobin and myoglobin on "Sephadex" gel.
- Author
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AWAD E, CAMERON B, and KOTITE L
- Subjects
- Humans, Dextrans, Hemoglobins, Myoglobin, Rare Diseases
- Published
- 1963
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370. The Doppler Necklace: a wearable and noninvasive ultrasound sensor for continuous monitoring of blood flow in the common carotid artery.
- Author
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Awad, E. and Asada, H.H.
- Published
- 1999
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371. Identification of competencies for sign designers in Jordan
- Author
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Awad, E. T. A.
- Subjects
- 659.13, graphic design, commercial signage, Jordan ; Signs and signboards -- Jordan
- Abstract
The aim of this research is to propose ways in which graphic designers can improve the design of commercial signage in Amman, Jordan. A survey of the effectiveness of recent signage regulation in the type and placement of commercial signage has led to the conclusion that regulations alone will not lead to improved quality in the production and siting of commercial signage without multi-stakeholder involvement and the dedicated training of those working in this field. There is a need for practitioners to develop specialised skills and knowledge in sign design, as opposed to applying only generalised graphic design techniques to sign production. Such skills include problem-solving, visual communication methods and competency in the application of the latest multi-media technology. It is proposed that by developing and incorporating sign-design competencies within the graphic design curriculum, practitioners will be better able to work effectively in this field. Following the investigation of the situation in Amman with respect to commercial signage, four related investigations were undertaken in order to formulate a list of recommendations which could be incorporated into an improved curriculum for teaching sign design. The first study investigated the problems caused by poorly designed and situated commercial signage in Amman. The second and third studies investigated urban signage solutions adopted by companies in other parts of the world, namely the global marketing of the McDonald’s brand and the corporate signage of Coventry University UK. The final study was a comparative investigation of graphic design education (with respect to sign design) in Jordan and the UK. Following these investigations, the Delphi technique was employed to elicit a set of 25 competencies for sign design learners, recommended by an expert panel of sign industry professionals and design academics. It is anticipated that the incorporation of such competencies will contribute to the improvements within the sign industry, as designers become better equipped for the task of sign design. Therefore it is anticipated that this research will contribute to the furthering of design practice by identifying the additional knowledge and competencies that graphic designers need to create appropriate commercial signs.
- Published
- 2012
372. High-yield activated carbon based ZnO-Ce bifunctional catalyst for production of biodiesel from waste cooking oil.
- Author
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Akream, Nuha S., Hamd, Marwan I., Gheni, Saba A., Al-Sudani, Farah T., Mohammed, Awad E., Mohammed, Hiba R., Ali, Mudheher M., Ahmed, Safaa M.R., Türköz Karakullukçu, Nalan, and Tahah, Ataallah K.
- Subjects
- *
EDIBLE fats & oils , *PETROLEUM waste , *WASTE products , *WASTE management , *AGRICULTURAL wastes , *AVOCADO - Abstract
• Waste cooking oil to biodiesel using avocado and mango seeds based catalyst. • Cost-effective bifunctional catalyst for the production of biodiesel from waste oil. • The catalyst's high surface area and effective metal dispersion were confirmed. • Low activation energy bifunctional catalyst. • 99.6% biodiesel yield, surpassing similar studies. Converting waste oil into biodiesel has significant economic and environmental benefits, including reducing waste disposal costs and reducing dependence on fossil fuels. However, bifunctional catalysts for esterification–transesterification reactions generally have low yields and high production costs, limiting their commercialization. This study addresses these issues by investigating the preparation and use of high-value energy products obtained from agricultural waste, especially avocado and fruit curd seed, for the production of biodiesel from waste oil. The bifunctional catalyst synthesized by the wet impregnation method showed remarkable efficiency in the esterification-transesterification reaction. The experimental setup has different reaction conditions such as temperature, catalyst loading, and microwave power for better biodiesel production. Characterization methods including SEM-EDS and FTIR confirmed the large surface area of the catalyst and efficient metal degradation. The improved purification increased the biodiesel yield to 99.6 %, exceeding results reported in similar studies. Kinetic studies revealed an activation energy of 45 kJ/mol, indicating good catalytic activity. Biodiesel complies with ASTM D6751 and EN 14214 standards and has properties such as a high heating value (HHV) of 40 MJ/kg and API absorption of 30. This demonstrates the potential of using waste products from agriculture to produce biodiesel to provide a sustainable pathway for waste management and renewable energy production. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
373. The use of mirrors to alleviate the detrimental effects of high stocking density in broiler chickens.
- Author
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Tamagi, H. M., Idrus, Z., Farjam, A. S., Awad, E. A., and Hussein, A. N.
- Subjects
- *
BROILER chickens , *PHYSIOLOGICAL stress , *CHICKEN coops , *DENSITY , *MIRRORS , *CHICKS , *BODY weight - Abstract
A study was conducted to investigate whether providing mirrors as environmental enrichment to broiler chickens housed at two different stocking densities affects growth performance, behaviour and physiological stress responses. The experiment was conducted in a completely randomized design with a 2 × 2 factorial arrangement consisting of two stocking densities and two environmental enrichment regimens. A total of 208 day-old male broiler chicks were assigned to one of the four subgroups with eight replicates. Within each enrichment regimen [provision of mirrors (ME) or no-mirror (NM)], birds were raised at two stocking densities of low, 0.1000 m2/bird (5 birds/cage; LD) or high, 0.0625 m2/bird (8 birds/cage; HD) density from day 1 onward. On day 35, the HD-birds had a significantly lower feed intake and body weight than their LD counterparts. On day 34, the HD-broilers showed significantly more resting behaviour than those of the LD-group. Neither stocking density nor environmental enrichment had significant effects on other activities throughout the study. There were significant interactions between stocking density and environmental enrichment for serum levels of corticosterone (CORT) and ceruloplasmin (CPN) at day 35. Provision of mirrors resulted in similar CORT and CPN among the LD- and HD-chickens on day 35. However, the HDNM birds had significantly higher CORT and CPN than the LD-NM group. Overall, the results suggest that the provision of mirrors has a negligible effect on growth performance, but can reduce the physiological stress response in broiler chickens with a higher stocking density. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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374. Moral dilemmas and trust in leaders during a global health crisis
- Author
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Everett, Jim A.C., Colombatto, Clara, Awad, Edmond, Boggio, Paulo, Bos, Björn, Brady, William J., Chawla, Megha, Chituc, Vladimir, Chung, Dongil, Drupp, Moritz A., Goel, Srishti, Grosskopf, Brit, Hjorth, Frederik, Ji, Alissa, Kealoha, Caleb, Kim, Judy S., Lin, Yangfei, Ma, Yina, Maréchal, Michel André, Mancinelli, Federico, Mathys, Christoph, Olsen, Asmus L., Pearce, Graeme, Prosser, Annayah M.B., Reggev, Niv, Sabin, Nicholas, Senn, Julien, Shin, Yeon Soon, Sinnott-Armstrong, Walter, Sjåstad, Hallgeir, Strick, Madelijn, Sul, Sunhae, Tummers, Lars, Turner, Monique, Yu, Hongbo, Zoh, Yoonseo, Crockett, Molly J., Everett, Jim A.C., Colombatto, Clara, Awad, Edmond, Boggio, Paulo, Bos, Björn, Brady, William J., Chawla, Megha, Chituc, Vladimir, Chung, Dongil, Drupp, Moritz A., Goel, Srishti, Grosskopf, Brit, Hjorth, Frederik, Ji, Alissa, Kealoha, Caleb, Kim, Judy S., Lin, Yangfei, Ma, Yina, Maréchal, Michel André, Mancinelli, Federico, Mathys, Christoph, Olsen, Asmus L., Pearce, Graeme, Prosser, Annayah M.B., Reggev, Niv, Sabin, Nicholas, Senn, Julien, Shin, Yeon Soon, Sinnott-Armstrong, Walter, Sjåstad, Hallgeir, Strick, Madelijn, Sul, Sunhae, Tummers, Lars, Turner, Monique, Yu, Hongbo, Zoh, Yoonseo, and Crockett, Molly J.
- Abstract
Abstract: Trust in leaders is central to citizen compliance with public policies. One potential determinant of trust is how leaders resolve conflicts between utilitarian and non-utilitarian ethical principles in moral dilemmas. Past research suggests that utilitarian responses to dilemmas can both erode and enhance trust in leaders: sacrificing some people to save many others (‘instrumental harm’) reduces trust, while maximizing the welfare of everyone equally (‘impartial beneficence’) may increase trust. In a multi-site experiment spanning 22 countries on six continents, participants (N = 23,929) completed self-report (N = 17,591) and behavioural (N = 12,638) measures of trust in leaders who endorsed utilitarian or non-utilitarian principles in dilemmas concerning the COVID-19 pandemic. Across both the self-report and behavioural measures, endorsement of instrumental harm decreased trust, while endorsement of impartial beneficence increased trust. These results show how support for different ethical principles can impact trust in leaders, and inform effective public communication during times of global crisis. Protocol Registration Statement: The Stage 1 protocol for this Registered Report was accepted in principle on 13 November 2020. The protocol, as accepted by the journal, can be found at https://doi.org/10.6084/m9.figshare.13247315.v1.
- Published
- 2021
375. Design and analysis of a proposed transformerless/non-isolated high-gain DC-DC converter for renewable energy applications.
- Author
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Waly, Hussein M., Osheba, Dina S. M., Azazi, Haitham Z., and El-Sabbe, Awad E.
- Subjects
- *
DIGITAL signal processing , *CASCADE converters , *LOW voltage systems - Abstract
This paper proposes a transformerless/non-isolated, high-gain DC-DC converter required to increase low voltages in renewable energy applications. The converter topology uses only a single-switch with minimum voltage stress over the semiconductors. The design is obtained by integrating both the boost and the quadratic boost converter topology. Operating principles of the converter circuit topology are detailed, and the steady-state performance is analysed. The design results in lower switching voltage that significantly improves the efficiency of the controlled switches. The results obtained by computer simulation demonstrate that the high voltage gain is obtained at lower values of duty ratio with an efficiency of more than 94%. The merits of the proposed converter are given in comparison with other high-gain DC-DC converters. Finally, a laboratory model is built using the digital signal processor [dSPACE (DS-1104)] to verify the converter theory. The theoretical, simulation and experimental results that indicate the claimed converter performance and capability are given. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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376. Hedruris anguila Ailán-Choke & Arredondo & Davies 2023, sp. nov
- Author
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Ailán-Choke, Lorena G., Arredondo, Nathalia J., and Davies, Dora
- Subjects
Nematoda ,Habronematidae ,Hedruris ,Animalia ,Hedruris anguila ,Biodiversity ,Spirurida ,Taxonomy ,Secernentea - Abstract
Hedruris anguila sp. nov. Type-host: Synbranchus marmoratus Bloch Site of infection: Stomach and intestine. Type-locality: River Paraná-Guazú (tributary of the River Paraná; Lower Paraná), Entre Ríos Province, Argentina (33°54′S; 58°52′W). Prevalence: 18.8% (6 of 32 fishes examined). Mean intensity: 28.7 (2–124 nematodes per fish). Mean abundance: 6.6 nematodes per examined fish. Type-material: Holotype: male (MACN-Pa 746); allotype: female (MACN-Pa 747); paratypes: 8 males, 10 females (MACN-Pa 748). Etymology: The specific name refers to common name of the fish host. Description (Figs. 1–3) General. Medium-sized nematodes. Cuticle thick with fine transverse striations. Anterior end rounded, with two large pseudolabia, each bearing a pair of digitiform papillae, a pair of sessile papillae and an amphid (Figs. 1B, C; 3A, B). Base of each pseudolabium supported by posteriorly directed cuticular ridge (Fig. 3A). Dorsal and ventral interlabium between pseudolabia, each with two bifurcated lateral cuticular projections extending posteriorly, with cuticular ridge posteriorly directed between bifurcations (Figs. 3A, B). Buccal cavity thin walled. Oesophagus not clearly divided into muscular and glandular portions (Fig. 1A). Deirids simple, situated just posterior to nerve ring and above the level of excretory pore (Fig. 1A). Females with a sclerotized hook for attachment to host and male generally found encircling female (Figs. 2A, B; 3E). Males (based on nine specimens). Body length 7.1–11.1 (8.7) mm, maximum body width 202–317 (274.4). Pseudolabia 81–110 (96) long. Oesophagus 1.2–1.6 (1.4) mm long. Nerve ring 260–324 (291), deirids 217–295 (250) and excretory pore 363–485 (427) from anterior extremity. Posterior end of body spirally coiled. Caudal alae present, narrow, supported by caudal papillae (Figs. 3F, G). Precloacal papillae absent, eight pairs of postcloacal subventral papillae; in one male, arrangement of subventral papillae asymmetrical, 7 papillae on one side and 8 on opposite site (Figs. 1E; 3F, G). A single pair of phasmids present. Area rugosa with six ventral longitudinal ridges with scale-like knobs, extending 1.6–1.7 (1.7) mm from cloaca (Fig. 1D). Spicules 127–177 (160) long, slender fused on its mid-length, curved in distal tip with lateral membranous expansions (Fig. 1F). Gubernaculum absent. Tail 228–344 (293) long, with caudal spike (Figs. 3F, G). Females (based on 11 gravid specimens). Body length 10.6 –14.8 (12.7) mm, maximum body width 432–634 (525.1). Pseudolabia 83–130 (106) long. Oesophagus 1.5–2.2 (1.9) mm long. Nerve ring 295–383 (329), deirids 221–363 (295) and excretory pore 432–579 (509) from anterior extremity (Fig. 1A). Vulva 530–786 (701) from posterior end, 216–383 (322) from anus (Figs. 2A, B). Uterus prodelphic, filled with eggs. Tail curved dorsally, 314–452 (377) long (Figs. 2A; 3D, E). Caudal eversible prehensile structure armed with sclerotized hook 98–147 (113) long and two lateral projections 30–69 (46) long (Figs. 2A, 3D). Accessory elongate sclerotized structure formed by two arms, 187–314 (230) long; both arms extending lateroventrally from hook base to anterior part of body, not reaching the anus. Cuticular spines in posterior part of body, distributed in two areas: perianal and dorsal on tail tip. Dorsal area densely covered by large, sharply pointed spines, distributed in transverse lines and decreasing in size anteriorly (Fig. 3D). Perianal spiny area with irregular rows of small spines extending anteriorly to vulval area. Non-mammillated larvated eggs, 37–44 (40) long, 12 wide, operculated at each end (Fig. 2C). Remarks. To date, Hedruris comprises 25 valid species described from amphibians, reptiles and fishes distributed worldwide (Bursey & Goldberg 2000; Brugni & Viozzi 2010; Rossin & Timi 2016; Palumbo et al. 2020). The specimens examined in the present study were assigned to Hedruris based on the presence of a retractable sclerotized hook on the female tail (Baker 1986; Anderson et al. 2009). Species of Hedruris are distinguished on the basis of the morphology of cephalic structures, the number and arrangement of caudal papillae in males, the shape of eggs in females, the size of spicules, and the female caudal hook (Baker 1986; Bursey & Goldberg 2000; 2007). The new species herein described can be differentiated from all other congeners by the morphology and size of spicules, the number and arrangement of caudal papillae and the presence of a caudal spike on the male tail, and the shape and size of eggs. The Neotropical species of Hedruris are characterized by possessing only postcloacal papillae, except H. heyeri Bursey & Goldberg, 2007 and H. siredonis Baird, 1858 (also recorded in Nearctic Region) that exhibit a different arrangement of caudal papillae (Baker 1986; Bursey & Goldberg 2000, 2007) (see Table 1). Based on the presence of eight pairs of postcloacal papillae, Hedruris anguila sp. nov. resembles H. juninensis Bendezú, 1974 and H. mucronifer Schuurmans Stekhoven, 1952, but differs in having smaller eggs (37–44 vs. 43–53) and smaller spicules (127–177 vs 200–430). The new species shares the shape of eggs with H. bifida; H. basilichtensis; H. moniezi Ibañez & Córdova, 1976; H. orestiae and H. suttonae, but differs in having a distinctly smaller female hook (98–147 vs. 137–292 µm), smaller spicules (127–177 vs. 175–326) and a different number of caudal papillae (16 vs. 18) (Bursey & Goldberg 2000; Brugni & Viozzi 2010; Rossin & Timi 2016; Palumbo et al. 2020) (see Table 1). Moreover, Hedruris anguila sp. nov. can be distinguished from H. dratini Palumbo, Servián, Sánchez & Diaz, 2020 by having non-mammilated eggs and also the number of pairs of postcloacal papillae (16 vs. 18) (Palumbo et al. 2020). Of the Hedruris species previously mentioned, H. bifida, H. suttonae, H. basilichtensis and H. orestiae were found infecting only fish hosts, of which the first two were found in characid and galaxiids from Argentina, respectively. The remaining species, except H. dratini, were found in frog hosts (Bursey & Goldberg 2000; Palumbo et al. 2020). Hedruris dratini was recorded in freshwater turtles from Argentina, e.g. Hydromedusa tectifera and Phrynops hilarii (Palumbo et al. 2020). It should be noted that the non-mammilated eggs are also characteristics of H. longispicula Thomas, 1959, H. minuta Andrews 1974, H. spinigera Baylis, 1931, H. hanleyae Bursey & Goldberg, 2000, H. saltuarii Jones, 2013, H. wogwogensis Jones & Resasco, 2016 (Australian species); H. transvaalensis Baker, 1982, (Etiophian species); H. pendula (Leidy) Chandler, 1919 (species recorded in Nearctic and Palearctic Regions); H. miyakoensis Hasegawa, 1989 and H. neobythitis Yamaguti, 1941 (Oriental species). In addition, H. anguila sp. nov. shares the presence of only eight pairs of postcloacal papille with H. transvaalensis, but differs in the length of spicules (127–177 vs. 456) and female hook (98–147 vs. 170). Moreover, the new species also differs from H.longispicula, H. spinigera, H. hanleyae, H. pendula and H. saltuarii in showing smaller spicules (127–177 vs. 190–360). Hedruris minuta, H. miyakoensis and H. neobythitis present spicule length somewhat similar to H. anguila sp. nov., but have different number and arrangement of caudal papillae than the new species (all with more than ten pairs of caudal papillae) (Table 1). In respect to H. androphora Nitzsch, 1821 (Palearctic species) and H. ijimai Morishita, 1926 (Oriental species); both parasites of amphibians resemble the new species in the length of spicules and hook in the female tail, but differ by having mammillated eggs (Table 1) (Bursey & Goldberg 2000; Rossin & Timi 2016). In addition, Hedruris hipsirhinae Chatin, 1876, H. bryttosi Yamag uti, 1935 (Oriental species) and H. lutjanenses Ramadan, Awad & Taha, 2014 (Palearctic species), the last two species of which parasitize fish, can be distinguished from the new species in number and arrangement of caudal papillae (with ten or more pairs of caudal papillae) (see Table 1)., Published as part of Ailán-Choke, Lorena G., Arredondo, Nathalia J. & Davies, Dora, 2023, A new species of Hedruris Nitzsch, 1821 (Nematoda: Hedruridae) parasitic in eel Synbranchus marmoratus Bloch (Synbranchiformes: Synbranchidae) from Argentina, Neotropical Region, pp. 122-134 in Zootaxa 5263 (1) on pages 123-127, DOI: 10.11646/zootaxa.5263.1.7, http://zenodo.org/record/7797908, {"references":["Bursey, C. R. & Goldberg, S. R. (2000) Hedruris hanleyae n. sp. (Nematoda: Hedruridae) from Hemidactylus garnotii (Sauria: Gekkonidae) from the Cook Islands. Oceania. Journal of Parasitology, 86, 556 - 559. https: // doi. org / 10.1645 / 0022 - 3395 (2000) 086 [0556: HHNSNH] 2.0. CO; 2","Brugni, N. L. & Viozzi, G. P. (2010) A new hedrurid species (Nematoda) from galaxiid fishes in Patagonia (Argentina), and infection of amphipods as intermediate host. Journal of Parasitology, 96, 109 - 115. https: // doi. org / 10.1645 / GE- 2251.1","Rossin, M. A. & Timi, J. M. (2016) A new species of Hedruris Nitzsch, 1821 (Nematoda: Hedruridae) parasitic in the freshwater fish Oligosarcus jenynsii (Gunther, 1864) (Characidae) from Argentina. Systematic Parasitology, 93, 899 - 904. https: // doi. org / 10.1007 / s 11230 - 016 - 9675 - 3","Palumbo, E., Servian, A., Sanchez, R. & Diaz, J. I. (2020) A new species of Hedruris (Nematoda: Hedruridae) from freshwater turtles, its life cycle and biogeographic distribution of the genus. Journal of Helminthology, 94 (e 93), 1 - 11. https: // doi. org / 10.1017 / S 0022149 X 19000877","Baker, M. R. (1986) Revision of Hedruris Nitzsch (Nematoda: Habronematoidea) from aquatic vertebrates of North America. Canadian Journal of Zoology, 64, 1567 - 1572. https: // doi. org / 10.1139 / z 86 - 234","Anderson, R., Chabaud, A. & Willmott, S. (2009) Keys to the nematode parasites of vertebrates: archival volume. CABI Publising. Wallingford, 463 pp. https: // doi. org / 10.1079 / 9781845935726.0000","Bursey, C. R. & Goldberg, S. R. (2007) New species of Hedruris (Nematoda: Hedruridae), Anuracanthorhynchus lutzi (Hamann, 1891) n. comb. and other helminths in Lithobates warszewitschii (Anura: Ranidae) from Costa Rica. Caribbean Journal of Science, 43, 1 - 10. https: // doi. org / 10.18475 / cjos. v 43 i 1. a 2","Baird, W. (1858) Description of two new species of Entozoa. Proceedings of the Zoological Society of London, 26, 224 - 225. https: // doi. org / 10.1111 / j. 1469 - 7998.1858. tb 06366. x","Bendezu, L. S. (1974) Nueva especie del genero Hedruris Nitzsch, 1821 Nematode Parasito de Batrachophrynus brachydactylus Peters, 1873. Revista Ciencias Universidad Nacional Mayor de San Marcos, 70, 45 - 51.","Schuurmans Stekhoven, Jr. J. H. (1952) Nematodos parasitarios de anfibios, pajaros y mamiferos de la Republica Argentina. Acta Zoologica Lilloana, 10, 315 - 400.","Ibanez, H. N. & Cordova, B. E. (1976) Cuatro especies nuevas de nematodos del sur del Peru y redescripcion de Hedruris orestiae Moniez, 1889. Memorias do Instituto Oswaldo Cruz, 74 (3 - 4), 231 - 254. https: // doi. org / 10.1590 / S 0074 - 02761976000300004","Thomas, P. M. (1959) Some nematode parasites from Australian hosts. Transactions of the Royal Society of South Australia, 82, 151 - 162.","Andrews, J. R. H. (1974) A new species of Hedruris (Nematoda: Spirurida) from the skink Leiolopsima smithi. New Zealand Journal of Zoology, 1, 329 - 332. https: // doi. org / 10.1080 / 03014223.1974.9517837","Baylis, H. A. (1931) VIII. - A species of the Nematode genus Hedruris occurring in the trout in New Zealand. Annals and Magazine of Natural History, 7, 105 - 114. https: // doi. org / 10.1080 / 00222933108673285","Jones, H. I. (2013) Gastrointestinal nematodes from three species of leaf-tailed geckos (Reptilia: Saltuarius spp.), with descriptions of new species of Skrjabinodon (Oxyuroidea: Pharyngodonidae) and Hedruris (Habronematoidea: Hedruridae). Comparative Parasitology, 80, 47 - 59. https: // doi. org / 10.1654 / 4590.1","Jones, H. I. & Resasco, J. (2016) A new species of Hedruris (Nematoda: Hedruridae) from the Australian Skink Lampropholis guichenoti (Reptilia: Scincidae). Comparative Parasitology, 83, 173 - 177. https: // doi. org / 10.1654 / 4806 i. 1","Baker, M. R. (1982) Systematics and zoogeography of three new nematode parasites of the frog Breviceps sylvestris Fitz Simons from South Africa. Canadian Journal of Zoology, 60, 3134 - 3142. https: // doi. org / 10.1139 / z 82 - 398","Chandler, A. C. (1919) On a species of Hedruris occurring commonly in the western newt, Notophthalmus torosus. Journal of Parasitology, 5, 116 - 122. https: // doi. org / 10.2307 / 3271163","Hasegawa, H. (1989) Neoentomelas asatoi gen. et sp. n. (Nematoda: Rhabdiasidae) and Hedruris miyakoensis sp. n. (Nematoda: Hedruridae) from skinks of the Ryukyu Archipelago, Japan. Proceedings of the Helminthological Society of Washington, 56, 145 - 150.","Yamaguti, S. (1941) Studies on the helminth fauna of Japan. Part 33. Nematodes of fishes, II. Japanese Journal of Zoology, 9, 343 - 396.","Nitzsch, C. L. (1821) Ascaris. Allgemeine Encyclopadie der Wissenschaften und Kunste, 6, 44 - 49.","Morishita, K. (1926) Studies on some nematode parasites of frogs and toads in Japan, with notes on their distribution and frequency. Journal of the Faculty of Science, Imperial University of Tokyo, 4, 1 - 32.","Chatin, M. J. (1876) Etudes helminthologiques. Deuxieme serie. Comptes Rendus de l'Association Francaise pour l'Avancement des Sciences, Paris, 4, 801 - 805.","Ramadan, M. M., Awad, E. R. & Taha, R. G. (2014) Anatomical and Surface morphology of Hedruris lutjanenses sp. n. (Nematoda: Hedruridae) from the common marine water fish Lutjanus synagris in Damietta, Egypt. Journal of Egyptian Society of Parasitology, 44, 309 - 320. https: // doi. org / 10.21608 / jesp. 2014.90381"]}
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- 2023
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377. Wadi Halfa Oolitic Ironstone Formation, Wadi Halfa And Argein Areas, North Sudan
- Author
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M. Nafi, A. El Amein, M. El Dawi, K. Salih, O. Elbahi, and A. Abou
- Subjects
phosphorus ,Oolitic iron ore ,HICS ,Late Carboniferous age - Abstract
In present study, a large deposit of oolitic iron ore of Late Carboniferous-Permotriassic-Lower Jurassic age was discovered in Wadi Halfa and Argein areas, North Sudan. It seems that the iron ore mineralization exists in the west and east bank of the River Nile of the study area that are found on the Egyptian-Sudanese border. The Carboniferous-Lower Jurassic age strata were covered by 67 sections and each section has been examined and carefully described. The iron-ore in Wadi Halfa occurs as oolitic ironstone and contained two horizons: (A) horizon and (B) horizon. Only horizon (A) was observed in southern Argein area. The texture of the ore is variable depending on the volume of the component. In thin sections, the average of the ooids was ranged between 90%-80%. The matrix varies between 10%-20% by volume and detritus quartz in other component my reach up to 30% by volume in sandy massive ore. Ooids size ranges from 0.2mm-1.00 mm on average in very coarse ooids may attend up to 1 mm in size. The matrix around the ooids is dominated by iron hydroxide, carbonate, fine, and amorphous silica. The probable ore reserve estimate of 1.234 billion at a head grade of 41.29% Fe for the Wadi Halfa Oolitic Ironstone Formation. The iron ore shows higher content of phosphorus ranges from 6.15% to 0.16%, with mean 1.45%. The new technology Hatch–Ironstone Chloride Segregation (HICS) can be used to produce commercial-quality of iron and reduce phosphorus and silica to acceptable levels for steel industry. The presence of infrastructures in addition to the presence of massive quantities of iron ore would make exploitation economically., {"references":["A. J. Whiteman, The Geology of the Sudan Republic. Clarendon Press,\nOxford, Britain, 1971.","N. Barazi, \"Sedimentologie und Stratigraphie des Abyad-Becken (NWSudan),\".-\nBerliner Geowiss. Abh., (A), vol. 64, Berlin, 1985.","E. Klitzsch, \"Plate Tectonics and Cratonal Geology in North East Africa\n(Egypt and Sudan),\" Geologische Rundschau, vol.75, no.3, pp.755-768,\n1986.","E. Klitzsch, and P. Wycisk, \"Geology of the Sedimentary Basins of\nNorthern Sudan and Bordering Areas\", –Berlin Geowiss. Abh. (A), vol.\n75, no.1, Berlin, pp. 97-137, 1987.","E. Klitzsch, and C. H. Squyers, \"Paleozoic and Mesozoic Geological\nHistory of NE Africa Based Upon New Interpretation of Nubian Strata\",\nAAPG Bull., vol..74, pp. 1203-1211, 1990.","H. Schandelmeier, E. Klitzsch, F. Hendriks, and P. Wycisk, \"Structural\nDevelopment of NE Africa Since the Pre-Cambrian Time\", Berliner\nGeowiss. Abh, A75.1, Berlin, pp. 5-24, 1987.","H. Schandelmeier, and D. Pudlo, \"The Central African Fault Zone\n(CAFZ) in Sudan A possible Continental Transform fault\", - Berliner\nGeowiss, Abh. (A), vol. 120 no.1, Berlin, pp. 31-44, 1990.","M. Nafi, \" Sedimentology of the Palaeozoic and Mesozoic strata of the\nNorthwestern Sudan\", Msc. Thesis, Univ. of Khartoum, 1997.","M. Nafi, and O. M. Abdullatif, \"Petrographic of Northwestern Sudan\",\nJ. of China university of Geosciences, vol. 14, no. 2, pp. 137-14, 2003.\n[10] M. Nafi, and O. M Abdullatif, and X. Wenchen, \"The Palaeoclimate of\nthe Northwestern Sudan during the Lower, Middle, and Upper Cycles\",\nEuro-Asian J. of Applied Sciences, vol.1, no.2, pp. 4-13, 2005.\n[11] M. Nafi, and O. M. Abdullatif, \"Facies Analysis of the Paleozoic-\nMesozoic Strata of the North western Sudan\", Second International\nConf. on the Geology of the Tethys (ABSTRACT) Cairo University,\nEgypt, 19-22, March, 2007.\n[12] M. Nafi, M. Z. Awad, E. M. Abdel Rahman, A. EL Amein, M. El Dawi,\nN. Brügg, A. Babikir, A. El Faki, O. El Badri, A. El Hag, A. Abou, A. El\nDoma, and A. Abakar,\"Significance of Paleozoic Paleogeographic\nReconstruction in North Sudan\", The First International Symposium on\nThe Petroleum Systems and Geological Resources in the Tethys Realm\n(ABSTRACT) Cairo University, Egypt, 17-25, March, 2009.\n[13] M. Nafi, A. EL Amein, M. El Dawi, M.Z. Awad, M. Abdel Rahman, O.\nEl Badri, E. El Faki, K. Salih, I. Ibrahim, O. ElBahi, N. Brügge, E.\nKheirelseed, A. Babikir, O. Babikir, A. El Hag, A. Abou, A. El DomA,\nand A. Abakar, \"New Evidence of Upper Carboniferous-Early Permian\nGlaciation in Northern and Northwestern Sudan and it`s Relation to\nHydrocarbon Accumulation\", Fifth International Conf. on the Geology\nof the Tethys, (ABSTRACT) Gena, Egypt, January 2010.\n[14] M. Nafi, A. EL Amein, K. Salih, O. Elbahi, A. Haron, and O. Abdeen\nO., \"Geological Mapping of Sedimentary Units and Associated of Iron\nMineralization in Northern Sudan\", Ancient Civilization Company for\nInvestment (ACCI) Report, 2011.\n[15] M. Nafi, M. Z. Awad, E. M. Abdel Rahman, A. EL Amein, M. El Dawi,\nE.M.. El Faki E, K. Salih, O. El Badri, N. Brügge, A. Babikir, A. El\nHag, A. Abou, A. El Doma, and A. Abakar, \"New Evidence of Upper\nCarboniferous-Permotriassic Strata In Northern Sudan\", SAPG J., Firs t\nissue. pp, 29-43, 2011.\n[16] M. Nafi, E. M. Abdel Rahman, A. EL Amein, M. El Dawi, K. Salih, O.\nElBahi, N. Brügge, A. Abou, A. El Doma, and A. Abakar, \"Quality and\nQuantity of Oolitic Ironstone of Wadi Halfa and Argein Areas, Northern\nSudan\", Asmara Mining Conf., Oct. 2013.\n[17] M. Nafi, A. El Amein, K. Salih, M. El Dawi, and N. Brügge,.\n\"Significance of Newly Discovered Late Carboniferous and Permo-\nTriassic Strata, North and Northwestern Sudan\", CPC-2014 Field\nMeeting on Carboniferous and Permian Nonmarine –Marine\nCorrelation., Freiberg University, Geological Institute, Germany,\nAbstract Volume, pp 44-45, July 2014.\n[18] M. E. Janssen, R. A. Stephenson, and Cloetingh, \"Change in Plate\nMotion and their Control on the Subsidence of Rifted Basins in the\nAfrican Plate\", Geoscientific Research in Northeast Africa, Thorweihe\nand Schandelmeier (eds). Rotterdam (Balkema), pp.185-188, 1993.\n[19] T. Schull, \"Rift Basins of Interior Sudan, Petroleum exploration and\ndiscovery\", AAPG Bull., vol.72, no. 10, pp. 1128-1147, 1988.\n[20] A. K. Thurmond, R. J. Stern, M. J. Abdelsal, K. C. Nielsen, M. M.\nAbdeen, and E. Hinz E,\"The Nubian Swell\", Journal of African Earth\nSciences, vol. 39, pp 401–407, 2004.\n[21] R. Bussert, \"Evolution of Cetaceous Continental Basins in Northern\nSudan\" Geoscientific research in NE Africa\", Thorweihe and\nSchandelmeier (eds). University of Berlin, Germany, Balkema.\nRotterdam, ISBN9054103183, pp. 407-414, 1993.\n[22] T. Schwarz, and K. Germann,\"Ferricretes as A source of Continental\nOolitic Ironstone in Northern Sudan\", Chem. Geol., vol. 107, pp 259-\n265, 1993.\n[23] M. N. W Ali, M. E. Babiker, H. Eltayeb, A. Haroun, \"A study on the\noolitic iron ore mineralization of Wadi Halfa\", Geological Rasearch\nAuthority of Sudan, Report, 2003.\n[24] M. N. W Ali, \"A study on the Oolitic Iron Ore Mineralization of Wadi\nHalfa\", Arab Mining Conf., University of Amman, Jorden, 2004.\n[25] Bonifica Geoexpert, \"Hydrogeological Studies and Ivestigations in\nNorthern Sudan\", Regional reconnaissance. Minerals resources in the\nNubian Formation, Supporting report, Roma, no. 4, 1986.\n[26] A. Fuganti, J. Morteani, G.Grundmann, \"Oolites Ironore Deposits in the\nNubian Formation of the Wadi Halfa Area (northen Sudan\" in Mattheis,\nG., Schanddelmeier, H. (eds) Current research in Africa Earth Science.\nBalkema, Rotterdam, pp. 379-382, 1987.\n[27] K. Germann, and K. Fischer, \"Lateritische Verwitterungsprodukte in der\nNubischen Gruppe Oberagyptens und des Nordsudans\", Nachr. Dt. Geo.\nGes., vol.39, pp.18-19, 1988.\n[28] K. Germann, K. Fischer, and T. Schwarz, \"Accumulation of Lateritic\nWeathering Products (Kaolins, bauxitic laterites, ironstone) in\nsedimentary basins in northern sudan\", Berliner geowiss, Abh. (A), vol.\n120, no.1, pp.109-148, 1990.\n[29] E. Klitzsch, and A. Lejal-Nicol, \"Flora and Fauna from Strata in\nSouthern Egypt and Northern Sudan\", –Berliner Geowiss. Abh. (A),\nBerlin, vol. 50, pp. 47-79, 1984.\n[30] G. Linck, and W. Becker, 1925 \"Uber Einen Eisenoolith (Minette) von\nWadi Halfa\", Chem. Erde, vol. 2, pp.134-136, 1925.\n[31] E. M Moslim,\"Beneficiation Studies on low grade iron ore, Wadi Halfa\narea, Northern Sudan\". Ph.D. Thesis, Faculty of Engineering Sciences,\nOmdurman University, Sudan, 2010.\n[32] A. Mucke, 2000. \"Environmental Condition in the Late Cretaceous\nAfrican Tethys: Conclusion from a microscope-microchemical study of\nooidal iron stone of Egypt, Sudan and Nigeria\", J. of Africa Earth\nScience, vol. 30, no. 1, pp. 25-45, 2000.\n[33] A. A. S. Seifelnassr, E. M. Moslim, A.M. Abouze, \"Effective Processing\nof Low-Grade Iron Ore Through Gravity and Magnetic Separation\nTechniques\", Physicochem. Probl. Miner. Process,vol. 48, no.2, pp.\n567−578, May 2012.\n[34] A. Zitzmann,\"The Iron Ore Deposits of the Arab Republic of Egypt\", In:\nZitzmann, A. (ed.), The iron ore deposits of Europe and adjacent Areas,\nvol. 1, Hannover, 1976, pp.129-133.\n[35] V. Hernandez1, K. Peake, A. Dalvi1, R. Brown1, J. Olurin1, T.\nO'Farrell, M. Zhou, B. Liu, I. Cameron, \"Process Development of a\nNew DRI Technology for Oolitic Iron Ores\", AISTech Proceedings, pp.\n519-526, 2013.\n[36] V. Hernandez, R. Brown, S., Chang, A. Dalvi,, M, Oliazadeh and., K.,\nPeake, \"Beneficiation of oolitic ores\", 46 Annual Canadian Minerals\nProcessors Operators Conf., 2014, Ottawa, Ontario January, pp. 21-23."]}
- Published
- 2015
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378. Effects of reduced-protein diets supplemented with protease in broiler chickens under high stocking density.
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Law, F. L., Zulkifli, I., Soleimani, A. F., Liang, J. B., and Awad, E. A.
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BROILER chickens , *DIETARY supplements , *NEWCASTLE disease , *POULTRY industry , *NUTRIENT density , *PHYTASES , *APOPTIN - Abstract
The effects of protease supplementation on productive performance and physiological responses were investigated in broiler chickens fed reduced crude-protein (low-CP) diets and reared under normal or high stocking densities (SD). Chicks were housed in pens with two stocking densities (≈10 birds/m2 or ≈15 birds/m2) and fed diets with either the recommended or reduced level of CP and metabolisable energy (ME) from 1 to 21 days. From 22 to 42 days, an equal number of birds from each dietary group was fed one of the following finisher diets: (1) recommended-CP and ME, (2) low-CP and recommended-ME or (3) low-CP and recommended-ME supplemented with protease. No interactions (P > 0.05) were observed between diet and SD for feed intake (FI), weight gain (WG), feed conversion ratio (FCR), Newcastle disease antibody titre, pododermatitis, caecal clostridia, Escherichia coli , lactobacilli, serum corticosterone or acute-phase proteins. Diet had no effect (P > 0.05) on FI, WG or FCR during the finisher period nor on FI and WG during the overall (1–42 days) period. High SD resulted in lower FI (P < 0.05) and Newcastle disease antibody titre (P < 0.05) and higher FCR (P < 0.05), pododermatitis incidence (P < 0.05), caecal population of clostridia (P < 0.05) and E. Coli (P < 0.05), and acute-phase protein and corticosterone concentrations than did normal SD. In conclusion, the supplementation of protease to a low-CP diet during the finisher period had no effect on the performance and immunity of overcrowded broiler chickens. Regardless of dietary CP and protease supplementation, a high SD negatively affected the growth performance, immunity, caecal microflora and welfare of the broiler chickens. There is a dearth of information regarding the effects of feeding protease-supplemented reduced-protein diets on overcrowded broilers. The inclusion of protease in broiler diets could be considered by poultry industry as an effective nutritional tool for reducing nutrient density, so as to improve feed efficiency and increase the profit margin. The present study is not only of academic interest, but will be valuable to the poultry industry too, given present imperatives to produce better-quality chicken meats at low cost. [ABSTRACT FROM AUTHOR]
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- 2019
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379. Effect of shackling, electrical stunning and halal slaughtering method on stresslinked hormones in broilers.
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Zulkifli, I., Wakiman, Z., Sazili, A. Q., Goh, Y. M., Jalila, A., Zunita, Z., and Awad, E. A.
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BROILER chickens , *PHYSIOLOGICAL stress , *WATER use , *CHICKEN diseases , *HORMONES , *CHICKENS - Abstract
The objective of this study was to evaluate the effect of shackling and halal slaughter with head-only electrical stunning (ES) using water bath or no stunning (NS) on plasma levels of adrenaline (AD), noradrenaline (NAD) and corticosterone (CORT) levels of broiler chickens. Male and female broiler chickens (Cobb 500) 38 days old from a commercial farm in Johore, Malaysia, were placed in plastic crates (0.80 × 0.60 × 0.31 m) at 10 birds per crate, and transported for 2.5 hours in an open truck. The ambient temperature during transportation was 25 to 27 °C. Upon arrival at a commercial processing plant, a total of 50 male broiler chickens (2.2 - 2.5 kg) were randomly selected from the flocks that were delivered, transferred to different five crates (10 birds per crate) and held in a lairage for 2 to 3 h. Blood samples were collected at various points, namely after lairaging (P1) (first sampling point for both ES and NS chickens, regarded as basal values), shackling (P2) (second sampling point for both ES and NS chickens), stunning (P3) (third sampling point for ES chickens), and ventral neck incision in stunned (P4) (fourth sampling point for ES chickens) and no stun (P5) (third sampling point for NS chickens). Ten birds were sampled at each sampling point (50 birds in total). Both stunned and no stun birds were shackled. Results show that shackling (P2) did not significantly affect the AD, NAD and CORT levels. However, electrical stunning elevated both the AD and CORT levels significantly, but not NAD. Neck cut had negligible effect on the AD and NAD in NS and ES broilers, but significantly increased CORT compared with the basal CORT value. In conclusion, the study demonstrated that head-only electrical stunning using a water bath might elevate AD and CORT. The study concluded that, as measured by AD and NAD, slaughter with or without stunning may not induce a physiological stress response in broilers. [ABSTRACT FROM AUTHOR]
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- 2019
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380. Robotic SBRT in Prostate Cancer Patients Younger Than 50 Years Old-Updated Results.
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Mendez, C., Lischalk, J.W., Katz, A., Carpenter, T.J., Witten, M.R., Sanchez, A., Santos, V., Corcoran, A., Awad, E., Trivedi, I., Blacksburg, S.R., and Haas, J.
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PROSTATE cancer patients , *STEREOTACTIC radiotherapy , *ANDROGEN deprivation therapy , *OLDER patients , *GLEASON grading system - Abstract
Stereotactic Body Radiation Therapy (SBRT) is a standard therapeutic option for men with prostate adenocarcinoma. The median age of prostate cancer in the US is 66 but patients as young as 35 have been reported. Many younger patients will have surgery rather than SBRT for localized prostate cancer but some will be treated with SBRT. There is a paucity of data on the outcomes of this younger subset. This study reports updated outcomes on patients younger than 50 treated with SBRT at a single institution and compares outcomes to older patients. Between April 2006 and December 2022, 6,130 patients with prostate cancer were treated with inhomogeneous-dosed SBRT using a robotic linear accelerator. Information was available for 4,143 patients. 3568 (86.12%) of patients were treated with a median dose of 3500cGY (3500-3625) delivered over 5 consecutive fractions prescribed to the 83-85% isodose line, and the remaining 575 (13.88%) other patients receiving a median dose of 4500cGY (4500-5400) to the pelvis in conventional fractionation followed by a 3 fraction SBRT boost of 2100 cGY (1950-2100) over 3 consecutive fractions. Androgen deprivation Therapy (ADT) was prescribed in 1,035 (24.98%) of these cases. The mean age was 67.4 years old. 48 patients were younger than 50 years old (mean age 46.6). 4,095 patients were 50 or older. Patients were divided into prognostic D'Amico risk groups with 43.75%, 50.00%, 6.25% of patients falling in the low, intermediate, and high-risk stratifications in the younger cohort and 23.88%, 57.05%, 19.07% in the older cohort respectively. Pretreatment PSA was 1.72 - 43.2 (median: 5.4) in the younger group and 0.3 - 661 (median: 6.5) in the older group. In the younger group, Gleason scores were 6 in 47.92%, 7 in 47.92%, and 8-10 in 4.16%. 44 younger patients were treated with SBRT alone. 4 patients also received supplemental external beam radiation (median dose 4500cGY) and 5 patients (10.42%) received Androgen Deprivation Therapy (ADT) as part of their treatment regimen. In the older group, Gleason scores were 6 in 29.84%, 7 in 54.14%, and 8-10 in 16.02%. 3522 were treated with SBRT alone. 573 patients also received supplemental external beam radiation (median dose 4500cGY) and 1030 patients (25.15%) received Androgen Deprivation Therapy (ADT) as part of their treatment. At 75 months the 6-year biochemical relapse free survival was 95.83% in younger patients compared to 98.41% in older patients using the Phoenix definition of biochemical failure. The 6-year median post treatment PSA was 0.3 in younger patients and 0.2 in the older patients. There were no significant differences in the risk stratification between the 2 groups. This represents the largest series evaluating outcomes in very young patients treated with definitive SBRT for prostate cancer. With updated 6-year follow up, SBRT remains an effective treatment for this younger subset of patients. Continued follow up will be required to see if these results remain durable. [ABSTRACT FROM AUTHOR]
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- 2023
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381. Fundamental social motives measured across forty-two cultures in two waves
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Cari M. Pick, Ahra Ko, Douglas T. Kenrick, Adi Wiezel, Alexandra S. Wormley, Edmond Awad, Laith Al-Shawaf, Oumar Barry, Yoella Bereby-Meyer, Watcharaporn Boonyasiriwat, Eduard Brandstätter, Suzan Ceylan-Batur, Bryan K. C. Choy, Ana Carla Crispim, Julio Eduardo Cruz, Daniel David, Oana A. David, Renata Pereira Defelipe, Pinar Elmas, Agustín Espinosa, Ana Maria Fernandez, Velichko H. Fetvadjiev, Stefka Fetvadjieva, Ronald Fischer, Silvia Galdi, Oscar Javier Galindo-Caballero, Elena V. Golovina, Galina M. Golovina, Luis Gomez-Jacinto, Sylvie Graf, Igor Grossmann, Pelin Gul, Peter Halama, Takeshi Hamamura, Shihui Han, Lina S. Hansson, Hidefumi Hitokoto, Martina Hřebíčková, Darinka Ilic, Jennifer Lee Johnson, Mane Kara-Yakoubian, Johannes A. Karl, Jinseok P. Kim, Michal Kohút, Julie Lasselin, Hwaryung Lee, Norman P. Li, Anthonieta Looman Mafra, Oksana Malanchuk, Simone Moran, Asuka Murata, Jinkyung Na, Serigne Abdou Lahat Ndiaye, Jiaqing O, Ike E. Onyishi, Eddieson Pasay-an, Muhammed Rizwan, Eric Roth, Sergio Salgado, Elena S. Samoylenko, Tatyana N. Savchenko, Catarina Sette, A. Timur Sevincer, Eric Skoog, Adrian Stanciu, Eunkook M. Suh, Daniel Sznycer, Thomas Talhelm, Fabian O. Ugwu, Ayse K. Uskul, Irem Uz, Jaroslava Varella Valentova, Marco Antonio Correa Varella, Liuqing Wei, Danilo Zambrano, Michael E. W. Varnum, Sustainable Entrepreneurship in a Circular Economy, Pick, C., Ko, A., Kenrick, D., Wiezel, A., Wormley, A., Awad, E., Al-Shawaf, L., Barry, O., Bereby-Meyer, Y., Boonyasiriwat, W., Brandstätter, E., Crispim, A. C., Cruz, J., David, D., David, O., Defelipe, R., Elmas, P., Espinosa, A., Fernandez, A. M., Fetvadjiev, V., Fetvadjieva, S., Fischer, R., Galdi, S., Caballero, O. G., Golovina, E., Et, Al., and Sociale Psychologie (Psychologie, FMG)
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Statistics and Probability ,Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi ,PSICOLOGIA INTERCULTURAL ,Psychology ,Public Health, Global Health, Social Medicine and Epidemiology ,Library and Information Sciences ,Statistics, Probability and Uncertainty ,social motives, culturl differences ,Computer Science Applications ,Education ,Information Systems - Abstract
H ow does psychology vary across human societies? The fundamental social motives framework adopts an evolutionary approach to capture the broad range of human social goals within a taxonomy of ancestrally recurring threats and opportunities. These motives—self-protection, disease avoidance, affiliation, status, mate acquisition, mate retention, and kin care—are high in fitness relevance and everyday salience, yet understudied cross-culturally. Here, we gathered data on these motives in 42 countries (N = 15,915) in two cross-sectional waves, including 19 countries (N = 10,907) for which data were gathered in both waves. Wave 1 was collected from mid-2016 through late 2019 (32 countries, N = 8,998; 3,302 male, 5,585 female; Mage = 24.43, SD = 7.91). Wave 2 was collected from April through November 2020, during the COVID-19 pandemic (29 countries, N = 6,917; 2,249 male, 4,218 female; Mage = 28.59, SD = 11.31). These data can be used to assess differences and similarities in people’s fundamental social motives both across and within cultures, at different time points, and in relation to other commonly studied cultural indicators and outcomes.
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- 2022
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382. Biochemical profile of liver of Indian major carp (Labio rohita) exposed to immunostimulant and bacterial infection
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Ankamma, N and Viveka Vardhani, V
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Liver, Immunostimulant , Aeromonas hydrophila , Labeo rohita - Abstract
The efficacy of oral feeding diet (supplement) Aqua Fix was studied on the biochemical changes in liver and immune response with regard to biochemical profile against aeromoniasis in L.rohita. Three groups(A,B,C) of six months old fish were employed; groups A and B were treated with Aqua Fix for 4 days, on day 5 fish of group B and C were infected with Aeromonas hydrophila @ 10-6CFU/fish(fish of group C were fed with normal diet for 4 days).Controls (group D) were untreated and uninfected. Necropsies were made on day 1, 2,3,4,7 and 15 after infection in fish of group B and C; fish of group A and D were also necropsied on same designated days. Liver protein, carbohydrate, DNA and RNA were estimated following standard methods and results were subjected to statistical analysis and found that the immunostimulant modulated immunity to enhance the level of protein, carbohydrate, DNA and RNA in liver. Stress caused by aeromoniasis led to the decrease of all the above biomolecules in fish which received infection (group C) . Key words: Liver, Immunostimulant , Aeromonas hydrophila , Labeo rohita. References Anbazahan, S.M., Mari, LS.S., Yogeshwari, G., Jagrutho, C., Thirumurgan, R., Arockiaraj, J., Velanganni, A.A.J., Krishnamoorthy, P., Balasundara, C. and Harikrishnan, P. 2014. Immune response and disease resistance of carotenoids diet in Cyprinus carpio against Aeromonas hydrophila. Fish & Shellfish Immunol. 40: 9-13. Awad, E. and Austin, B. 2010. Use of lupin, Lupinus perpenis, mango, Mangifera indica and stinging nettle, Urtica dioica, as feed additives to prevent Aeromonas hydrophila infection in rainbow trout, Oncorhynchus mykiss, Walbaurnt, J. Fish. Dis. 33: 413-420. Baba, T., Watase, Y. and Yoshinaga, Y. 1993. Activation of mononuclear phagocytes function by levamisole immersion in carp. Nippon Suisan Gokkaishi, 59: 301-307. Baba, E., Acar, U., Ontas, C., Kesbic, O.S. and Yilmaz, S. 2016. The use of Avena sativa extract against Aeromonas hydrophila and its effect on growth performance, hematological and immunological parameters in common carp (Cyprinus carpio). Ita. J. Ani. Sci. 15(2): 325-333 Binaii, M, Ghiasi, M, Farabi, S.M.V., Ourgholam, R, Fazli, H, Safari, R, Alavi, S.E, Taghavi, M.J. and Bankehsaz, Z. 2014. Biochemical and hemato-immunological parameters in juvenile beluga (Huso huso) following the diet supplemented with nettle (Urtica dioica). Fish & Shellfish Immunol. 36: 46–51. Burton, K. 1956. A study of the conditions and mechanisms of the diphenylamine reaction for the colorimetric estimation of deoxyribose-nuclic acid. Biochem. J. 62: 315. Citarasu, T., Babu, M.M., Sekar, R.R.J. and Marian, M.P. 2002. Developing Artemia enriched herbal diet for producing quality larvae in Penaeus monodon, Fabricius. Asian Fisheries Sci. 15: 21–32. Gangwar, G., Rajesh Singh, Rao, A.P. and Tewari, S.C. 2007. Changes in biochemical composition of muscles of Indian major carp Labeo rohita (Ham.) in influence of age. The Asian J. Ani. Sci. 2(1 and 2): 46-48. Gopalakannan, A. and Venkatasan, A. 2006. Immunomodulatory effect of dietary intake of chitin, chitosan and levamisole on the immune system of Cyprinus carpio and control of Aeromonas hydrophila infection in ponds. Aquaculture, 255: 179-187. Harikrishnan, R. and Balasundaram, C. 2005. Modern trends in Aeromonas hydrophila disease management with fish. Rev. Fish Sci. 13: 281-320. Harikrishnan, R., Balasundaram, C. and Bhuvaneswari, R. 2005. Restorative effect of Azadirachta indica aqueous leaf extract dip treatment on haematological parameter changes in Cyprinus carpio (L.) experimentally infected with Aphanomyces invadans fungus. J. Appl. Ichthyol. 21: 410–414. Hossuin, F.M., Rashid, M.M. and Sayed, M.A. 2011. Experimental infection of indigenous climbing perch. Anabas testudineus with Aeromonas hydrophila bacteria. Progress. Agric. 22(1&2): 105-114. Immanuel, G., Uma, R.P., Iyapparaj, P., Citarasu , T., Punitra Peter, S.M., Babu, M.M. and Palavesam A. 2009. Dietary medicinal plant extracts improve growth, immune activity and survival of tilapia Oreochromis mossambicus. J Fish Biol. 74: 1462–1475. Jagruthi, C., Yogeshwari, G., Anbazahan, S.M., Mari, L.S.S., Arockiaraj, J., Mariappan, P., Sudhakar, G.R.L., Balasundaram, C. and Harikrishnan, R. 2015. Effect of dietary astaxanthin against Aeromonas hydrophila infection in common carp, Cyprinus carpio. Fish & Shellfish Immunol. 41: 674-680. Kandeepan, C. 2014. Haematological and biochemical parameters on few freshwater South Indian teleosts. Int. J. Curr. Microbiol. App. Sci. 3(9): 1015-1022. Kanani, H.G., Nobahar, Z., Kakoolaki, S. and Jafarian, H. 2014. Effect of ginger- and garlic-supplemented diet on growth performance, some hematological parameters and immune responses in juvenile Huso huso. Fish Physiol. Biochem. 40: 481–490. Kumar, S., Raman, R.P., Kumar, K., Pandey, P.K., Kumar, N., Mallesh, B. et al. 2013. Effect of azadirachtin on haematological and biochemical parameters of Argulus infested goldfish Carassius auratus (Linn. 1758). Fish Physiol. Biochem. 39: 733-747. Li, P., Lewis, D.H., Galtin, D.M. 2004. Dietary oligonucleotides from yeast RNA influence immune responses and resistance of hybrid striped bass (Morone chrysops – Morone saxatilis) to Streptococcus iniae infection. Fish & Shellfish Immunol. 16: 561-569. Lowry, O.H., Rose Brough, N.J., Fare, A.L. and Randall, R.J. 1951. Protein measurement with folin phenol reagent. J. Biol. Che. 193: 265-275. MacLennan, A.H., Wilson, D.H. and Taylor, A.W. 2002. The escalating cost and prevalence of alternative medicine. Prev. Med. 35: 166–173. Manoj, C.K., Mohankumaran, Nair, C., Patel, M.B. and Salin, K.R. 2010. Haematobiochemical and histopathological changes in Labeo rohita infected with Aeromonas hydrophila by immersion challenge. Fishery Technol. 47(2): 151-160. Maruthanayagam, C. and Sharmila, G. 2004. Biochemical variations induced by monocrotophos in Cyprinus carpio during the exposure and recovery period. Nature Environ. Pollution, 3(1): 1-9. Nicholas, V., Robert, W. and Joseph, J.R. 1956. The determination of glycogen in liver and muscle by use of anthrone reagent. J. Biol. Chem. 220(2): 583-593. Nya, E.J. and Austin, B. 2009. Use of dietary ginger, Zinigiber officinale Roscoe, as an immunostimulant to control Aeronomas hydrophila infections in rainbow trout, (Oncorhynchus mykiss). J. Fish. Dis. 32: 971-977. Pal, S., Ray, S.D. and Homechaudhuri, S. 2015. Evaluation of in vivo non-specific immunity and oxidative stress in Labeo rohita (Hamilton, 1822) infected with Aeromonas hydrophila as biomarker for early diagnosis. Int. J. Fish. Aqua. Stu. 3(1): 116-124. Patil, V.K. and David, M. 2007. Hepatotoxic potential of malathion in the freshwater teleost, Labeo rohita (Hamilton). Veterinarski Arhiv., 72(2): 179-188. Pratheepa, V., Ramesh, S. and Sukumaran, N. 2010. Immunomodulatory effect of Aegle marmelos leaf extract on freshwater fish Cyprinus carpio infected by bacterial pathogen Aeromonas hydrophila. Pharmaceutical Biol. 48(11): 1224-1239. Quesada, S.P., Paschoal, J.A.R. and Reyes, F.G.R. 2013. Considerations on the aquaculture development and the use of veterinary drugs. Special issue for fluoroquinolones – a review. J. Food. Sci. 78: 1321-1333. Raman, R.P. 2007. Application of phytotherapy in finfish and shellfish health management: a study. In: Fisheries and aquaculture: strategic outlook for Asia, 8th Asian Fisheries Forum 43, Kochi, India: Asian Fisheries Society and AFSIB, p.20-23. Remia, K.M., Logan kumar, S. and Rajmohan, D. 2008. Effect of an insecticide (Monocrotophos) on some biochemical constituents of the fish Tilapia mossambica. Poll. Res. 27(3): 523-526. Sardar, M.R.F., Thompson, K.D., Penman, D.J. and Mc Andrew, B.J. 2001. Immune response of Nile tilapia (Oreochromis niloticus L.) clones. Non-specific responses. Dev. Comp. Immunol. 25: 37-46. Smith, V.J., Brown, J.H. and Hauton, C. 2003. Immunostimulation in Crustaceans. Does it really protect against infection. Fish & Shellfish Immunol. 15: 71-90 Sun, S., Zhu, J., Jiang, X., Li, B. and Ge, X. 2014. Molecular cloning, tissue distribution and expression analysis of manganese superoxide dismutase in blunt snout bream, Megalobrama amblycephala. Fish & Shellfish Immunol. 38: 340-347. Talpur, A.D. and Ikhwanuddin, M. 2013. Azadirachta indica (neem) leaf dietary effects on the immune response and disease resistance of Asian seabass, Lates calcarifer challenged with Vibrio harveyi. Fish & Shellfish Immunol. 34: 254–264 Vijay Kumar, M., Butchiram, M.S. and Tilak, K.S. 2009. Effect of quinalphos, an organophosphorus pesticide on nucleic acids and proteins of the freshwater fish Channa punctatus. J. Ecotoxicol. Environ. Monit. 19(1): 07-12. Wang, J.L., Meng, X., Lub, R., Wu, C., Luo, Y.T., Yan, X, Li, X.J., Kong, X.H., Nie, G.X. 2015. Effects of Rehmannia glutinosa on growth performance, immunological parameters and disease resistance to Aeromoans hydrophila in common carp (Cyprinus carpio L.). Aquaculture, 435: 293-300. Yardimci, B. and Aydin, Y. 2011. Pathologicl findings of experimental Aeromonas hydrophila infection in Nile tilapia (Oreochromis niloticus). Ankara Univ. Vet. Fak. Derg. 58: 47-54.
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- 2022
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383. Effects of low-protein diets on acute phase proteins and heat shock protein 70 responses, and growth performance in broiler chickens under heat stress condition.
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Zulkifli, I, Akmal, A F, Soleimani, A F, Hossain, M A, and Awad, E A
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LOW-protein diet , *ACUTE phase proteins , *HSP70 heat-shock proteins , *BROILER chickens , *PHYSIOLOGICAL effects of heat , *PHYSIOLOGY - Abstract
A study with a 4 x 2 factorial arrangement was conducted to investigate the effects of 4 dietary protein levels and 2 environmental conditions on acute phase proteins (APP), brain heat shock protein (HSP) 70 density, and growth performance of broiler chickens. Day-old broiler chicks (Cobb 500) were fed isocaloric diets but with various levels of crude protein (CP), namely, (1) 21.0 and 19.0% CP in starter and finisher diets, respectively (control), (2) 19.5 and 17.5% CP in starter and finisher diets, respectively (Diet A), (3) 18.0 and 16.0% CP in starter and finisher diets, respectively (Diet B), and (4) 16.5 and 14.5% CP in starter and finisher diets, respectively (Diet C). Equal numbers of birds from each diet were subjected to either 23±1°C throughout or 33±1°C for 6 h per d from 22 to 35 d of age. From d 1 to 21, feed intake (FI) and weight gain (WG) decreased linearly (P = 0.021 and P = 0.009, respectively), as CP level was reduced. During the heat treatment period (d 22 to 35), there were significant (P = 0.04) diet x heat treatment interactions for FCR. Diet had no effect on FCR among the unheated birds, but the ratio increased linearly (P = 0.007) as dietary CP level decreased. Irrespective of ambient temperature, there was a significant linear decrease in FI (P = 0.032) and WG (P < 0.001) as dietary CP level decreased. Low-CP diets improved the survivability of heat-stressed broilers when compared to those fed control diets. Low-CP diets linearly decreased (P < 0.01) APP (ovotransferrin and alpha-acid glycoprotein) responses. Both APP and HSP 70 reactions were elevated following heat treatment. In conclusion, feeding broilers with low-CP diets adversely affect the growth performance of broilers under heat stress condition. However, low-CP diets were beneficial in improving the survivability. Because APP are involved in the restoration of homeostasis, the adverse effect of low-CP diet on the synthesis of these proteins could be of concern. [ABSTRACT FROM AUTHOR]
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- 2018
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384. Effect of vitamin C and folate on heat-stressed chickens' egg quality and daily egg production
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Okocha I. Onuoha and Herbert Udo
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Folate ,heat-stress ,Vitamin-C ,Chickens ,Egg quality - Abstract
Egg quality is of economic consideration especially in thermally challenged confinements during table egg production and transportation. The effect of vitamin-C and folate on heat-stressed chickens’ egg quality and performance is aimed at overcoming the negative impact of exposure to increased environmental heat load at peak heat periods of the year using vitamin-C as ameliorative agent, and efficient utilization of consumed feed, using folate. This is in other to lay quality eggs and perform optimally. A total of 72 Isa Brown laying hens at 31 weeks of age were randomly divided into 4 treatment groups of 36 birds subdivided into 3 replicates and indicated as T1, T2, T3 and T4 while T1 served as the control treatment. The birds were housed in a deep litter pen and exposed to 3-hours additional heat generated with gas-powered burners, for four consecutive days of each week for a period of 12 weeks. The diets for T2, T3 and T4 were supplemented with 250 mg of vitamin-C, 250 mg of vitamin-C + 1 mg of folate and 300 mg of vitamin-C + 1 mg of folate per kg of feed respectively. The results showed that T4 had the highest egg weights (60.04 g), shell thickness (0.53 mm) and shell weights (7.80 g). The albumin weight (37.20 g), albumin height (6.80 mm) and yolk weight (14.70 g) were highest (P, {"references":["Al-Bahouh, M., Osborne, V., Wright, T., Dixon, M., & Gordon, R. (2020). Blue and Grey Water footprints of Dairy Farms in Kuwait. Journal of Water Resource and Protection. 12(7). www.scirp.org","Bagheri, S., Janmohammadi, H., Maleki, R., Ostadrahimi, A., & Kianfar, R. (2018). Laying hen performance, egg quality improved and yolk 5-methyltetrahydofolate content increased by dietary supplementation of folic acid. J. Anim. Nutr. DOI:10.1016/j.aninu.2018.05.008 www.ncbi.nlm.nih.gov","Bai, Y., Wang, R., Yang, Y., Li, R., & Wu, X. (2021). 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Thieme. 227p.","HENDRIX-GENETICS (2022). \"Superstar Layer\" https://www.layinghens-hendrix-gentics.com","Horvath, M. & Babinzky, L. (2019). Impact of selected antioxidant vitamins (vitamin A, E and C) and micro minerals (Zn, Se) on the antioxidant status and performance under high environmental temperature in poultry. A review. Acta Agriculturae Scandinavica, Section Animal Science. 68(1), 1-9. DOI: 10.1080/09064702.2019.1611913 www.researchgate.net","Joachim, J.A. & Angel, M.T. (2011). Impact of Heat-stress on egg quality in layer hens supplemented with L-ascorbic acid and dl-tocopherol acctate. Vet. Arch. 81(1), 119-132","Joubrane, G., Mnayer, D., Hamieh, T., Barbour, G., Talhouk, R., & Awad, E. (2019). Evaluation of quality parameters of white and brown eggs in Lebanon. American Journal of Analytical Chemistry. 10(10). 836-889. https://doi.org/10.1093/ps/83.6.889","Kayombo, S.A., Poommarin, P., & Duangkaew, P. (2022). Efficacy of fermented cassava pulp with chicken manure on nutrients digestibility, haematological parameters, and growth performance of barrow pigs. International Research Journal of Science, Technology, Education and Management, 2(1), 209-216. https://irjstem.com/2799-0648pdf","Leeson, A. (2006). Determination of Egg Properties, Science-Direct, edn 65. Pp. 203","Nadia, L.R., Selim, N., Farouks, Y., Youssef, S.F., & Abdelatif, H.A. (2021). Effect of Supplemented some antioxidants to broiler diets on growth performance, immune responses and antioxidant status. Egypt Poult. Sci. 41(1), 93-111. http://www.epsj.journals.ekb.eg","National Research Council (1994). Nutritional Requirements of Poultry (9th rev.). National Acad. Sci., Washington, DC. 109: 134-136","NRCRI (2013). National Root Crops Research Insitute, Umudike Weather Station Report 2013.","Okocha, O.I. & Herbert, U. (2016). Effect of ascorbic and folic acids supplementation on oxidative hormones, enzymatic antioxidants and blood properties of laying hens exposed to increased heat load in a hot humid environment. Nigerian Journal of Animal Production, 43(1), 44-52 www.ajol.info","Roberts, J.R. & Bald, W. (1998). Effect of Heat Stress On Egg and Egg Shell Quality in five Strains of laying hen. Proc. Aust. Poult. Sci. Sym. 53(2), 295-296","Pertiwi, H., Mahendra, M.Y.N., & Kamaludeen, J. (2022). Astaxanthin as a potential antioxidant to improve health and production performance of broiler chicken. Veterinary Medicine International. DOI: 10.1155/2022/4919442 www.researchgate.net","Rosenberg, L.J., Blad, B.L, & Verma, S.B. (2007). Human and Animal biometeorology. In: Microclimate – the biological environment. Wiley, New York.","Saksrithai, K. & King, A.J. (2022). Effects of two-species probiotic combinations on production performance and peak lay, sulfur compounds in manure and selected serum profile. Journal of Applied Poultry Research. 31(2), 100234. https://doi.org/10.1016/j.japr.2022.100234 www.sciencedirect.com","Santin, M.J. (2018). How important is the CO2 chemoreflex for the control of breathing? Environmental and evolutionary considerations. Comparative Biochemistry and Physiology Part A: Molecular and Integrative Physiology. Pp. 6-19. https://doi.org/10.1016/j.cbpa.2017.09.015","Sattar, B., Hossein, J., Ramin, M., Alireza, O. & Ruhollah, K. (2019). Laying hen performance, egg quality of improved and yolk 5-methyltetrahydrofolate content increased by dietary supplementation of folic acid. J. Anim. Nutri. (5)2. Pp. 130-133. https://doi.org/10.1016/j.ani.nu.2018.008","Steel, R.G. & Torrie, J.H.T. (1980). Principles and Procedures of Statistics. A Biometrical Approach. (2nd ed.) McGraw-Hill Publications Inc., New York.","Toghyani, M., Macelline, S.P., Greenhalgh, S., Chrystal, P., Selle, P., & Liu, S.Y. (2022). Optimum inclusion rate of barley in diets of meat chickens: an incremental and practical program. Animal Production Science. DOI:10.1071/AN21437. www.researchgate.net","Wasti, S., Sah, N., & Mishra, B. (2020). Impact of Heat Stress on Poultry Health and Performances, and potential mitigation strategies. Animals, 10(8). 1266 https://doi.org/10.3390/ani.10081266 www.mdpi.com","Yakubu, A., Ekpo, E.I. & Oluremi, O.I.A. (2018). Physiological adaptation of sassa laying hens to the hot-dry tropical conditions. Agriculturae Conspectus Scientificus, 83(2).187-197. http://www.scopus.com/inward/record.url"]}
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- 2022
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385. Microporous activated carbon catalyst for an efficient and deactivation resistive supercritical water upgrading process of sour crude oil.
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Mohammed, Mohammed H., Gheni, Saba A., Hamad, Khaleel I., Mohammed, Awad E., Hmood, Hassan M., Mahomood, Marwan A., Mohammed, Hiba R., Abdulwahab, Zainab T., Ahmed, Safaa M.R., and Hassan, Ahmed A.
- Subjects
- *
SUPERCRITICAL water , *CATALYST poisoning , *MICROWAVE heating , *PETROLEUM , *ACTIVATED carbon , *HEAVY oil , *TRANSMISSION electron microscopes , *SUPERCRITICAL fluid extraction , *BIOSURFACTANTS - Abstract
Exploiting unconventional heavy crude oil is a fascinating and crucial strategy for meeting the rapidly rising need for energy and the dramatic depletion of conventional crude oil. Supercritical water upgrading (SCWU) of heavy oils reduces sulfur content and decreases average molecular weight, without rejecting carbon as coke products. In this article, we describe a technique for upgrading unconventional crude oils, highly sour crude oil, using a supercritical water process catalyzed by 6 % Co/Activated carbon (AC) biowaste catalysts. The catalysts were prepared by conventional and microwave calcination of the active Co oxide. Also, a sample of the prepared catalyst was coated with TiO 2 to prolong the lifetime of the catalyst. The surface area of the Co/AC and Ti-Co/Ac catalysts were 504.65 m2/g and 443.54 m2/g respectively for conventional heating and 589.775 m2/g and 480.165 m2/g for microwave heating and the AC was found to be majorly microporous. Scanning electron microscopy-energy dispersive spectroscopy (SEM-EDX) and X-ray diffraction (XDR) were used to demonstrate the impregnation of catalytic Co particles onto AC. Also, Transmission Electron Microscope (TEM) for examining the coating layer. Different operational parameters (temperature, time of reaction, type of catalyst) were applied in supercritical water upgrading in a hydrothermal autoclave reactor. It was found that the sulfur content of the Co/AC catalysts are outstanding upgrading catalyst for the sour feedstock as sulfur content was reduced to 94 % and the Ti-coated catalyst sustain its activity against upgrading reaction time. Also, the API gravity was raised to 28.6 at 390 °C as well as the viscosity of the petroleum-upgraded light fraction was reduced to 117 mPa.s. The results of this work help establish the role of biowaste microporous catalysts in the SCWU process; demonstrate that modest upgrading can be achieved in the absence of an external hydrogen source and provide guidelines for catalyst preparation at high quality and stability. [Display omitted] • High-stability catalysts from agricultural waste with by sol-gel technique • Highly active carbon-based catalyst for supercritical water upgrading of a sour oil • The deactivation reaction rate was hindered by coating of the catalyst. • The coating does not affect the activity of the supercritical water upgrading reaction. [ABSTRACT FROM AUTHOR]
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- 2023
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386. Qualidade de vida e o processo de trabalho em saúde: contribuições para o debate
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Luciano Garcia Lourenção
- Abstract
Desde a década de 70 tem surgido uma grande preocupação em investigar, por meio dos indicadores sociais, os níveis de satisfação, bem-estar e qualidade de vida nas populações e, a partir daí, identificar quais os determinantes destes estados.Entre os assuntos que têm suscitado o interesse de pesquisadores de várias áreas, em âmbito nacional e internacional, estão as questões referentes ao mundo do trabalho e suas repercussões na saúde dos indivíduos, especialmente os aspectos referentes í saúde dos profissionais da área da saúde. Nos últimos anos, a avaliação da qualidade de vida se tornou cada vez mais reconhecida e utilizada nesta área. Inúmeros instrumentos foram desenvolvidos para mensuração da qualidade de vida e vários trabalhos foram realizados com os mais diversos grupos de trabalhadores [1,2].Para avaliar qualidade de vida é importante, antes de tudo, entender sua conceituação. Relatos apontam que o termo foi empregado pela primeira vez na literatura médica na década de 1930. Na década de 1970, Campbel (1976) apud Awad e Voruganti [3] afirmou que qualidade de vida é uma vaga e etérea entidade, algo sobre a qual muita gente fala, mas que ninguém sabe claramente o que é, tentando elucidar as dificuldades na conceituação desse termo.Alguns autores referem que a utilização do conceito de qualidade de vida apresenta dois aspectos: um cotidiano, empregado pela população em geral; e outro científico, usado pelos profissionais das diferentes áreas da saúde [4].O interesse por esse conceito na área da saúde é recente, originado das transformações nos paradigmas que influenciaram mudanças nas políticas e nas práticas do setor saúde nos últimos anos. Ter qualidade de vida depende de fatores intrínsecos e extrínsecos. Assim, há uma conotação diferente de qualidade de vida para cada indivíduo, que é decorrente de sua inserção na sociedade. Portanto, não é possível padronizar qualidade de vida, pois ela tem conotação individual, dependendo dos objetivos, das metas traçadas e das pretensões individuais [4]. Ao se pronunciar, durante a abertura do 2º Congresso de Epidemiologia, Rufino Netto [5] considerou como qualidade de vida boa ou excelente aquela que ofereça um mínimo de condições para que os indivíduos nela inseridos possam desenvolver o máximo de suas potencialidades, sejam estas: viver, sentir ou amar, trabalhar, produzindo bens e serviços, fazendo ciências ou artes. No mesmo discurso, o autor afirmou ainda que falta o esforço de fazer da noção um conceito e torná-lo operativo.Em 1994, a Organização Mundial da Saúde (OMS) reuniu diversos especialistas de vários países com o objetivo de conceituar qualidade de vida. Definida como a percepção do indivíduo sobre sua posição na vida, no contexto da cultura e sistema de valores nos quais ele vive e em relação a seus objetivos, expectativas, padrões e preocupações, a qualidade de vida é cercada de multidimensionalidade e subjetividade que dificultam sua conceituação [6]. Não deve ser medida apenas pelo prolongamento da existência, pois nela influem diversos fatores como saúde, moradia, trabalho, lazer e satisfação, entre outros [7].Destaca-se, ainda, que qualidade de vida consiste numa noção humana relacionada ao grau de satisfação na vida familiar, amorosa, social e ambiental e í estética existencial. Pressupõe a capacidade de sintetizar os elementos que uma sociedade considera como padrões de conforto e bem-estar. O termo é muito abrangente e reflete conhecimentos, experiências e valores individuais e coletivos que variam de acordo com o momento histórico, o espaço e a situação que o(s) indivíduo(s) vivencia(m), sendo uma construção social influenciada pela relatividade cultural. Assim, quanto mais aprimorada a democracia, mais ampla a noção de qualidade de vida, o grau de bem-estar da sociedade e de igual acesso a bens materiais e culturais [6]. Porém, sabe-se que a subjetividade que envolve o conceito de qualidade de vida está relacionada í percepção que cada indivíduo tem sobre seu estado de saúde e sobre os aspectos não médicos do seu contexto de vida, e a multidimensionalidade se refere í concepção de que a qualidade de vida depende de vários aspectos/dimensões [8].Diante disso, a qualidade de vida se torna algo pessoal, podendo ser avaliada apenas pelo indivíduo e não por cientistas ou profissionais de saúde. Qualidade de vida é, portanto, uma importante variável na prática clínica e na produção de conhecimentos na área da saúde. Nesse aspecto, a melhoria da qualidade de vida passou a ser um dos resultados esperados, tanto das práticas assistenciais quanto das políticas públicas para o setor, nos campos da promoção da saúde e da prevenção de doenças [9].Nos últimos anos tem-se observado uma intensificação no debate sobre as mudanças necessárias na gestão e organização do trabalho em saúde. Tal discussão ganha espaço no bojo das transformações que afetam o mundo do trabalho, as organizações em geral e as organizações de saúde. As dificuldades do exercício profissional, abordando algumas das características inerentes ao cuidado em saúde que, isoladamente ou em seu conjunto, definem um ambiente profissional formado por intensos estímulos emocionais que acompanham o adoecer, como o contato frequente com a dor e o sofrimento, o lidar com a intimidade corporal e emocional, o atendimento de pacientes terminais, o lidar com pacientes difíceis/queixosos, rebeldes e não aderentes ao tratamento, hostis, reivindicadores, autodestrutivos e/ou cronicamente deprimidos e o lidar com as incertezas e limitações do conhecimento e do sistema assistencial que se contrapõem às demandas e expectativas dos pacientes e familiares que desejam certezas e garantias [1].São muitos determinantes que comprometem a saúde e a qualidade de vida de profissionais de saúde e nesse contexto, avaliar a qualidade de vida (QV) destes profissionais permite subsidiar ações para melhorar a qualidade de vida pessoal e profissional destes e, consequentemente, garantir uma melhoria na qualidade do atendimento prestado aos pacientes.Vários estudos apontam o quanto que, no cotidiano de trabalho das instituições de saúde, o cuidador profissional, de modo geral, não valoriza o ser cuidado, muitas vezes negligenciando o cuidado í sua própria saúde [1,10].A fragmentação dos processos de trabalho prejudica as relações entre os diferentes profissionais da saúde e destes com os usuários. O trabalho em equipe, assim como o preparo e disposição pessoal dos profissionais para lidarem com a dimensão subjetiva presente nas práticas de atenção í saúde, tem deixado a desejar [10].O trabalho em saúde é complexo e exige reflexão, ou seja, que as decisões sejam tomadas de forma articulada pelas diversas áreas do conhecimento, mediados pela dimensão ética e política.Neste contexto, é relevante destacar que as relações de cuidado acontecem na nossa vivência diária, na família, no trabalho, no convívio social em geral. Por isso, é necessário entender que o cuidar é uma maneira de ser de cada um, incorporado a um comportamento coparticipante de progressão individual e/ou coletiva, aglutinados às dimensões éticas e morais.No contexto da atuação profissional em saúde, onde a própria tarefa, que é o cuidar, causa grande ansiedade, a preocupação com a qualidade de vida é importante e necessária, desde o processo de formação, favorecendo o autoconhecimento e o apoio para trabalhar, ainda como estudante, os medos e ansiedades inerentes ao processo de cuidar dos outros e de si.O cuidar, como essência do processo de trabalho em saúde oportuniza a vivência de práticas pelo contato direto com os seres humanos em processo de sofrimento, coloca os profissionais diante de seus próprios conflitos e frustrações. Assim, é importante atentar que a qualidade de vida exige de todos nós a consciência de cultivar o interesse pela nossa vida, pela vida das outras pessoas. Trata-se de um compromisso em aperfeiçoar a arte de viver, de educar e cuidar.
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- 2020
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387. Abstract 1383: Characterization of CD8 T cell responses to DNAJB1-PRKACA fusion neoantigens in fibrolamellar carcinoma
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Allison M. Kirk, Ching-Heng Chou, Jeremy Chase Crawford, Walid Awad, E. Kaitlynn Allen, Xiaoyu Zhang, Anthony E. Zamora, Scott E. Strome, and Paul G. Thomas
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Cancer Research ,Oncology - Abstract
Fibrolamellar carcinoma (FLC) is a rare liver malignancy that has no known cure. Novel therapies for FLC are urgently needed to improve patient outcomes. The key genetic event in FLC tumorigenesis is a highly conserved gene fusion between the first exon of DNAJB1 and the last nine exons of PRKACA. This fusion gene is present in all FLC tumors, and more than 90% of patients express fusion proteins with identical amino acid sequences. Genetic mutations like this gene fusion can serve as important therapeutic vulnerabilities, in part because they may be processed and presented on the surface of tumor cells as neoantigens that can activate an anti-tumor T cell response. The purpose of our study was to test the hypothesis that DNAJB1-PRKACA fusion neoantigens could elicit T cell responses against FLC and serve as targets for novel immunotherapies. Spatial transcriptomic analyses of human FLC tumor samples indicated that CD8+ T cells could infiltrate these tumors, but often expressed markers of dysfunction and exhaustion, such as TOX. Nevertheless, we successfully expanded tumor-infiltrating T cells from FLC ex vivo and used intracellular cytokine staining (ICS) to identify a subset of FLC patient T cells that produced IFNγ and TNFα in response to stimulation with a fusion neoantigen. We used both peptide-MHC tetramer staining and functional response after stimulation to identify T cells in FLC patients and healthy donors that recognize fusion neoantigens. We then determined the paired T cell receptor (TCR) sequences using single-cell sequencing and expressed the TCRs in primary human T cells to test their potential utility in TCR-engineered immunotherapies. We validated the specificity and functionality of these TCRs using peptide-MHC tetramer staining, ICS, and in vitro cytotoxicity assays on the xCelligence and Berkeley Lights Lightning platforms. Primary T cells expressing fusion-specific TCRs bound to their cognate peptide-MHC tetramer, produced multiple cytokines in response to stimulation with their cognate fusion peptide, and specifically killed fusion-presenting target cells in vitro. Ongoing experiments will test whether T cells expressing these fusion-specific TCRs can control growth of fusion-presenting tumors in vivo. Collectively, these studies have defined the first reported fusion-specific T cell response in FLC, as well as fusion-specific TCRs that hold promise for use in adoptive T cell therapies. Our spatial transcriptomic analyses have also begun to illuminate the immune microenvironment in FLC and will inform future efforts to develop immunotherapies for this disease. Citation Format: Allison M. Kirk, Ching-Heng Chou, Jeremy Chase Crawford, Walid Awad, E. Kaitlynn Allen, Xiaoyu Zhang, Anthony E. Zamora, Scott E. Strome, Paul G. Thomas. Characterization of CD8 T cell responses to DNAJB1-PRKACA fusion neoantigens in fibrolamellar carcinoma [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 1383.
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- 2022
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388. A Concise Review on Cluster-Based Routing Protocols in Wireless Sensors Network
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Khushboo Gupta, Bansla, Neetu, and Agarwal, Gunjan
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Wireless Sensor Network, Routing Protocols, Cluster Based routing, Classification, Review, taxonomy, etc - Abstract
Most recent headways in remote correspondence innovation and miniaturized scale mechanical-framework (MEMS) have opened the way for the advancement in utilizations of Wireless sensor systems (WSNs). The WSN is made out of immense number of minor and reasonable gadgets known as sensor hubs (SNs). The SN speaks with one another by a few remote techniques and these correspondence methodologies are control, overseen and administrated by steering conventions. The execution of WSN chiefly relies upon the steering conventions, which are for the most part application based. Remembering this we have played out a wide examination on WSN steering conventions. In view of the system structure, the directing conventions in WSN can be commonly ordered into three classes: level steering, group based steering (or progressive) and area based steering. Because of guaranteed focal points and advantages of grouping technique, it is suitable as a functioning stem in steering information parcels. In this paper, we have been played out an expansive review on bunch based steering convention in WSN. We have laid out the benefits and faults of bunching technique in WSNs and furthermore propose an order of group based directing strategies. At long last, we have abridges and close the paper with some future headings., {"references":["I. F. Akyildiz, M. C. Vuran: Wireless Sensor Networks, In: John Wiley & Sons, 2010","Khushboo Gupta and Vaishali Sikka. Article: \"Design Issues and Challenges in Wireless Sensor Networks\", International Journal of Computer Applications 112(4):26-32, February 2015","Gupta, K. and Yadav, K. P., \"Data Collection Method to Improve Energy Efficiency in Wireless Sensor Network\". International Conference of Advance Research and Innovation (ICARI - 2015)","Khushboo Gupta, Neetu Bansla and Rajneesh. \"An Enhanced DSR Protocol for Improving QoS in MANET\", International Journal of Computer Applications 181(15):21-26, September 2018","Gupta, K. and Yadav, K. P., \"Performance Analysis of Anthocnet Routing Protocol for Hybrid ad hoc network\" International Journal of Multidisciplinary Consortium 2(1)","L. Li and C. Liu, \"An Improved Algorithm of LEACH Routing Protocol in Wireless Sensor Networks,\" 2014 8th International Conference on Future Generation Communication and Networking, Haikou, 2014, pp. 45-48","O Younis, S Fahmy \"HEED: a hybrid, energy-efficient, distributed clustering approach for ad hoc sensor networks\" - IEEE Transactions on mobile computing, 2004 - ieeexplore.ieee.org","Soro, S.; Heinzelman, W. Prolonging the Lifetime of Wireless Sensor Networks via Unequal Clustering. In Proceedings of the 5th IEEE International Workshop on Algorithms for Wireless, Mobile, Ad Hoc and Sensor Networks (WMAN), Denver, CO, USA, 4–8 April 2005; pp. 236– 243","Ye, M.; Li, C.; Chen, G.; Wu, J. EECS: An Energy Efficient Clustering Scheme in Wireless Sensor Networks. In Proceedings of the 24th IEEE International Performance, Computing, and Communications Conference (IPCCC), Phoenix, AZ, USA, 7–9 April 2005; pp. 535–540","Katiyar, V., Chand, N., & Soni, S. (2010). Clustering Algorithms for Heterogeneous Wireless Sensor Network: A Survey. International Journal of Applied Engineering Research, Dindigul, 1(2)","F. Awad, E. Taqieddin and A. Seyam, \"Energy-Efficient and Coverage- Aware Clustering in Wireless Sensor Networks,\" Wireless Engineering and Technology, Vol. 3 No. 3, 2012, pp. 142-151. doi: 10.4236/wet.2012.33021","Manjeshwar, E.; Agrawal, D. P. TEEN: A Routing Protocol for Enhanced Efficiency in Wireless Sensor Networks. In Proceedings of the 15th International Parallel and Distributed Processing Symposium (IPDPS), San Francisco, CA, USA, 23–27 April 2001; pp. 2009–2015","Buttyan, L.; Schaffer, P. PANEL: Position-Based Aggregator Node Election in Wireless Sensor Networks. In Proceedings of the 4th IEEE International Conference on Mobile Ad-hoc and Sensor Systems Conference (MASS), Pisa, Italy, 8–11 October 2007; pp. 1–9","Zu-jue C., Ye-long O., Shao-qing L. (2012) A GAF Algorithm of Dislocated Grid for Wireless Sensor Network. In: Zhang W. (eds) Advanced Technology in Teaching. Advances in Intelligent and Soft Computing, vol 163. Springer, Berlin, Heidelberg","Luo, H.; Ye, F.; Cheng, J.; Lu, S.; Zhang, L. TTDD: Two-tier data dissemination in large-scale wireless sensor networks. Wirel. Netw. 2005, doi:10.1007/s11276-004-4753-x"]}
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- 2018
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389. Knowledge Sharing: A Survey, Assessment and Directions for Future Research: Individual Behavior Perspective
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Aslani, Feryal, Mousakhani, Mohammad, and Alireza Aslani
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individual variables ,future research ,organizational behavior ,knowledge sharing - Abstract
One of the most important areas of knowledge management studies is knowledge sharing. Measured in terms of number of scientific articles and organization-s applications, knowledge sharing stands as an example of success in the field. This paper reviews the related papers in the context of the underlying individual behavioral variables to providea direction framework for future research and writing., {"references":["Davenport TH, G. Eccles, R., & Prusak, L. The Strategic Management\nof Intellectual Capital. Elsevier Inc., 1998.","Alavi, M., & E.Leidner, D. Review: Knowledge Management and\nKnowledge Management Systems. MIS QUARTERLY, 25, PP107-136,\n2001.","Argote, L, 1999. Organizational learning: Creating, retaining and\ntransferring knowledge. Norwell, MA: Kluwer, 1999.","Spender, J. C. Making knowledge the basis of a dynamic theory of the\nfirm. Strategic Management Journal, 17, PP45-62, 1996.","Delong, D. Building the knowledge-based organization: How culture\ndrives knowledge behaviors. Center for business innovation, 1997.","Probst, G., Raub, S., & Romhardt.K. Managing Knowledge: Building\nBlocks for Success. New York: John Wiley & Sons, 2000.","Rutherford, A., & J A Tait. Knowledge Management implementation\ntrends. Kbos, 2004.","Kuo YF & Young LM. Predicting knowledge sharing practices through\nintention: A test of competing models. Computers in Human Behavior,\n24 (, PP.2697-2722, 2008.","Matzler, K., & Mueller, J. Antecedents of knowledge sharing -\nExamining the influence of learning and performance orientation.\nJournal of Economic Psychology, 32, PP.317-329, 2011.\n[10] Yang Chen, S., & Kiang Farnb, C. Social capital, behavioral control, and\ntacit knowledge sharingÔÇöA multi-informant design. International\nJournal of Information Management, 29, PP.210-218, 2009.\n[11] Chen Yang, S., & Kiang Farn, C. Social capital, behavioral control, and\ntacit knowledge sharingÔÇöA multi-informant design. International\nJournal of Information Management, 29, PP.210-218, 2009.\n[12] Cheng Huang, C. Knowledge sharing and group cohesiveness on\nperformance: An empirical study oftechnologyR&DteamsinTaiwan.\nTechnovation, 29, 786-797, 2009.\n[13] Wang, S., & A. Noe, R. Knowledge sharing: A review and directions for\nfuture research. Human Resource Management Review, 20, PP.115-\n131, 2010.\n[14] Hislop, D. Knowledge Management in Organizations: A Critical\nIntroduction. New York: Oxford University Press Inc, 2005.\n[15] Hong, D., Suh, E., & Koo, C. Developing strategies for overcoming\nbarriers to knowledge sharing based on conversational knowledge\nmanagement: A case study of a financial company. Expert Systems with\nApplications, 38, PP.14417-14427, 2011.\n[16] Awad, E., & Ghaziri, H. Knowledge management. New Jersey: Pearson\nEducation Inc.\n[17] Riege, A. (2005). Three-dozen knowledge-sharing. Journal of\nKnowledge Management, 9, PP.18-35, 2004.\n[18] Robbins, S. P., & T. A. Judge. Organizational Behavior. New Jersey:\nPearson Education, Inc, 2009.\n[19] Hung W, S., James Lin, M.-J., & Jou Che, C. Fostering the determinants\nof knowledge sharing in professional virtual communities. Computers in\nHuman Behavior, 25, 929-939, 2009.\n[20] Jiacheng, W., Lu, L., & Francesco, C. A cognitive model of intraorganizational\nknowledge-sharing motivations in the view of crossculture.\nInternational Journal of Information Management, 30, PP.220-\n230, 2010.\n[21] Chen J W. & Cheng YH. Factors affecting the knowledge sharing\nattitude of hotel service personnel. International Journal of Hospitality\nManagement, 2011.\n[22] Lin, T., Wu, S., & Tai Lu, C. Exploring the affect factors of knowledge\nsharing behavior: The relations model theory perspective. Expert\nSystems with Applications, 39, PP751-764, 2012.\n[23] Tagliaventi, M. R., Bertolotti, F., & Macr─▒, D. A perspective on practice\nin interunit knowledge sharing. European Management Journal, 28,\nPP.331- 345, 2010.\n[24] Saleem, W. A., Adnan, G., & Ambreen, M. Person Organization Fit,\nOrganizational Commitment and Knowledge Sharing Attitude-\nanAnalytical Study. Information Management and Business Review, 3,\nPP. 110-116, 2011.\n[25] Tohidinia, Z., & Mosakhani, M.Knowledge sharing behavior and its\npredictors. Industrial Management + Data Systems, 110, PP.-611-631,\n2011.\n[26] Rehman, Z.-u., Muhammad Khyzer Bin, D., Zulfiqar, A., & Asim, K.\nCausative factors and predispositions sway learning process through\nknowledge sharing behavior among students: Apragmatic study of\nPunjab University. Interdisciplinary Journal of Contemporary Research\nIn Business, PP.143-154, 2010.\n[27] Zawiyah Mohammad, Y., & Mohd Bakhari, I. The Impact of\nAwareness, Trust and Personality on Knowledge Sharing Practice.\nIEEE, Information Retrieval & Knowledge Management, 2010.\n[28] Matzler, K., Renzl, B., Mu┬¿ ller, J., Herting, S., & Mooradian, T.\nPersonality traits and knowledge sharing. Journal of Economic\nPsychology, PP.301-313, 2008.\n[29] Yang, J.-t. Individual attitudes and organizational knowledge sharing.\nTourism Management, 29, 345-353, 2008.\n[30] Zhang, Y., Fang, Y., Kee Wei, K., & Chen, H. Exploring the role of\npsychological safety in promoting the intention to continue sharing\nknowledge in virtual communities. International Journal of Information\nManagement, 30, 425-436, 2010.\n[31] Seba, I., Rowley, J., & Lambert, S. Factors affecting attitudes and\nintentions towards knowledge sharing in the Dubai Police Force.\nInternational Journal of Information Management, 2010.\n[32] Seliman.D. The Trouble with Burnouts. Fortune, 1992.\n[33] Aslani A, Aslani F, Application of Fuzzy AHP Approach to Selection of\nOrganizational Structure with Consideration to Contextual Dimensions,\nOrganizacija - Journal of Management, Informatics and Human\nResources, in press, 2012.\n[34] Aslani A, Helo P, Naaranoja M, Development of creativity in concurrent\nengineering teams, American Journal of Industrial and Business\nManagement, Vol. 2(3): 77-84, 2012. DOI: 10.4236/ajibm.2012.23010"]}
- Published
- 2012
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390. Nonlinear acoustics instabilities in combustion chambers
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Awad, E
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- 1983
391. Continuous authentication using biometrics; data, models, and metrics.
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Fingerman, Susan
- Abstract
The article reviews the book “Continuous Authentication Using Biometrics: Data, Models, and Metrics," edited by Issa Traoré and Ahmed Awad E. Ahmed.
- Published
- 2012
392. DATA PROCESSING.
- Author
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PHELPS, C. B.
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NONFICTION - Abstract
The article reviews three books: "Business Data Processing," by E. M. Awad; "Introduction to Data Processing," by Robert R. Arnold, Harold C. Hill, and Aylmer V. Nichols; and "Computers for Management," by G. J. Morris and H. S. Woodgate.
- Published
- 1968
393. Usando un juego serio e IA causal para estudiar el ciberbullying
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Varela Vaca, Ángel Jesús, Ceballos Guerrero, Rafael, Reina Quintero, Antonia María, Pérez, Jaime, Castro, Mario, López, Gregorio, Awad, Edmond, Reneses, Maria, Varela Vaca, Ángel Jesús, Ceballos Guerrero, Rafael, Reina Quintero, Antonia María, Pérez, Jaime, Castro, Mario, López, Gregorio, Awad, Edmond, and Reneses, Maria
- Abstract
El ciberbullying entre los menores de edad es una preocupación creciente en nuestra sociedad digital, que requiere estrategias eficaces de prevención e intervención. Las metodologías tradicionales de recolección de datos en este ámbito pueden ser intrusivas y proporcionar resultados limitados. En este artículo se explora un enfoque innovador que utiliza un juego serio — diseñado con fines que van más allá del entretenimiento— como una herramienta de investigación atractiva y no intrusiva para estudiar problemáticas sociales delicadas. Además, proponemos el uso de técnicas de IA causal (modelos causales gráficos probabilísticos) para analizar los datos obtenidos. Este marco analítico proporciona resultados interpretables e intuitivos, aumenta la transparencia y fomenta un discurso científico abierto. Los resultados obtenidos indican que el uso de juegos serios puede desempeñar un papel más relevante en el estudio del ciberbullying que estudios basados en datos demográficos o de perfilado, lo que evidencia su potencial como metodología de investigación alternativa. Finalmente, demostramos como nuestro enfoque nos permite analizar perfiles de riesgo e identificar de estrategias de intervención para mitigar este ciberdelito. Mediante la integración de la IA causal con los juegos serios, proporcionamos un marco analítico completo para explorar y mitigar los retos que plantea el ciberbullying, contribuyendo a crear entornos en línea más seguros para los menores y demostrando el potencial de este enfoque para investigar problemáticas sociales complejas.
- Published
- 2024
394. Proceedings of the 13th International Newborn Brain Conference: Neuroprotection strategies in the neonate
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MS Neonatologie, Brain, Child Health, Regenerative Medicine and Stem Cells, Abou Mehrem, Ayman, Al Awad, Essa, Anninck, Kim, Au-Young, Stephanie, Aydinol, Nesil, Bartmann, Peter, Benders, Manon, Benlamri, Amina, Bolderheij, Leah, Celik, Yalcin, Chan, Natalie, Chau, Cecil, Chau, Vann, Chen, Xiaodi, Chetcuti Ganado, Claudia, Coetser, Annaleen, Cools, Filip, Da Rocha, Giselle, Deigner, Hans Peter, Dereymaeker, Anneleen, Deshmukh, Laxmikant, Domonoske, Rose, Dossani, Salma, Dsouza, Jeanne M., El Gamal, Mayy, Eshemokhai, Peace, Esser, Michael, Fiedrich, Elsa, Franz, Axel, Ghosh, Anirban, Groenendaal, Floris, Grunau, Ruth E., Venkata, Sujith Kumar Reddy Gurram, Hamitoglu, Serif, Hellström-Westas, Lena, Irvine, Leigh, Jansen, Katrien, Javadyan, Artem, Jenkin, Graham, Kamanga, Noela, Kaur, Navneet, Keles, Elif, Keller, Matthias, Kelly, Edmond, Kesting, Samantha Jane, Kgwadi, Dikeledi, Kim, Boram, Kohl, Matthias, Kowal, Derek, Kricitober, Jennifer Damoi, Leijser, Lara, LePine, Mark, Lim, Yow Pin, Lodha, Abhay, Londhe, Atul, Ly, Linh, Maes, Eva, Malhotra, Atul, Marlow, Neil, Mathew, Joseph L., McDonald, Courtney, McLean, Mia, Metcalfe, Cathy, Meyer, Ron, Miller, Steven P., Miller, Suzanne, Mogajane, Tshiamo, Mohammad, Khorshid, Momin, Sarfaraz, Montpetit, John, Mukiza, Nelson, Murthy, Prashanth, Scott, James N., Nakibuuka, Victoria, Nakwa, Firdose, Naulaers, Gunnar, Noort, Jennessa, Ntuli, Nandi, Ondongo-Ezhet, Claude, Paul, Renee, Pepper, Michael, Plum, Achim, Rombough, Bryan, Saugstad, Ola, Scotland, Jillian, Scott, James, Seake, Karabo, Sebunya, Robert, Selvanathan, Thiviya, Sepeng, Letlhogonolo, Simsek, Huseyin, Steins-Rang, Carola, Stonestreet, Barbara, Tang, Selphee, Taskin, Erdal, Thewissen, Liesbeth, Thomas, Sumesh, Thomas, Reenu, van Kwawegen, Alison, van Rensburg, Jeanne, Velaphi, Sithembiso, Wu, Yuqi, Yaman, Akan, Yapicioglu-Yildizdas, Hacer, Yawno, Tamara, Zaki, Pearl, Zein, Hussein, Zhou, Lindsay, MS Neonatologie, Brain, Child Health, Regenerative Medicine and Stem Cells, Abou Mehrem, Ayman, Al Awad, Essa, Anninck, Kim, Au-Young, Stephanie, Aydinol, Nesil, Bartmann, Peter, Benders, Manon, Benlamri, Amina, Bolderheij, Leah, Celik, Yalcin, Chan, Natalie, Chau, Cecil, Chau, Vann, Chen, Xiaodi, Chetcuti Ganado, Claudia, Coetser, Annaleen, Cools, Filip, Da Rocha, Giselle, Deigner, Hans Peter, Dereymaeker, Anneleen, Deshmukh, Laxmikant, Domonoske, Rose, Dossani, Salma, Dsouza, Jeanne M., El Gamal, Mayy, Eshemokhai, Peace, Esser, Michael, Fiedrich, Elsa, Franz, Axel, Ghosh, Anirban, Groenendaal, Floris, Grunau, Ruth E., Venkata, Sujith Kumar Reddy Gurram, Hamitoglu, Serif, Hellström-Westas, Lena, Irvine, Leigh, Jansen, Katrien, Javadyan, Artem, Jenkin, Graham, Kamanga, Noela, Kaur, Navneet, Keles, Elif, Keller, Matthias, Kelly, Edmond, Kesting, Samantha Jane, Kgwadi, Dikeledi, Kim, Boram, Kohl, Matthias, Kowal, Derek, Kricitober, Jennifer Damoi, Leijser, Lara, LePine, Mark, Lim, Yow Pin, Lodha, Abhay, Londhe, Atul, Ly, Linh, Maes, Eva, Malhotra, Atul, Marlow, Neil, Mathew, Joseph L., McDonald, Courtney, McLean, Mia, Metcalfe, Cathy, Meyer, Ron, Miller, Steven P., Miller, Suzanne, Mogajane, Tshiamo, Mohammad, Khorshid, Momin, Sarfaraz, Montpetit, John, Mukiza, Nelson, Murthy, Prashanth, Scott, James N., Nakibuuka, Victoria, Nakwa, Firdose, Naulaers, Gunnar, Noort, Jennessa, Ntuli, Nandi, Ondongo-Ezhet, Claude, Paul, Renee, Pepper, Michael, Plum, Achim, Rombough, Bryan, Saugstad, Ola, Scotland, Jillian, Scott, James, Seake, Karabo, Sebunya, Robert, Selvanathan, Thiviya, Sepeng, Letlhogonolo, Simsek, Huseyin, Steins-Rang, Carola, Stonestreet, Barbara, Tang, Selphee, Taskin, Erdal, Thewissen, Liesbeth, Thomas, Sumesh, Thomas, Reenu, van Kwawegen, Alison, van Rensburg, Jeanne, Velaphi, Sithembiso, Wu, Yuqi, Yaman, Akan, Yapicioglu-Yildizdas, Hacer, Yawno, Tamara, Zaki, Pearl, Zein, Hussein, and Zhou, Lindsay
- Published
- 2022
395. Moral dilemmas and trust in leaders during a global health crisis
- Author
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Social-cognitive and interpersonal determinants of behaviour, Leerstoel Bos, Public management en gedrag, UU LEG Research USG Public Matters, Everett, Jim A C, Colombatto, Clara, Awad, Edmond, Boggio, Paulo, Bos, Björn, Brady, William J, Chawla, Megha, Chituc, Vladimir, Chung, Dongil, Drupp, Moritz A, Goel, Srishti, Grosskopf, Brit, Hjorth, Frederik, Ji, Alissa, Kealoha, Caleb, Kim, Judy S, Lin, Yangfei, Ma, Yina, Maréchal, Michel André, Mancinelli, Federico, Mathys, Christoph, Olsen, Asmus L, Pearce, Graeme, Prosser, Annayah M B, Reggev, Niv, Sabin, Nicholas, Senn, Julien, Soon Shin, Yeon, Sinnott-Armstrong, Walter, Sjastad, Hallgeir, Strick, Madelijn, Sul, Sunhae, Tummers, Lars, Turner, Monique, Yu, Hongbo, Zoh, Yoonseo, Crockett, Molly J, Social-cognitive and interpersonal determinants of behaviour, Leerstoel Bos, Public management en gedrag, UU LEG Research USG Public Matters, Everett, Jim A C, Colombatto, Clara, Awad, Edmond, Boggio, Paulo, Bos, Björn, Brady, William J, Chawla, Megha, Chituc, Vladimir, Chung, Dongil, Drupp, Moritz A, Goel, Srishti, Grosskopf, Brit, Hjorth, Frederik, Ji, Alissa, Kealoha, Caleb, Kim, Judy S, Lin, Yangfei, Ma, Yina, Maréchal, Michel André, Mancinelli, Federico, Mathys, Christoph, Olsen, Asmus L, Pearce, Graeme, Prosser, Annayah M B, Reggev, Niv, Sabin, Nicholas, Senn, Julien, Soon Shin, Yeon, Sinnott-Armstrong, Walter, Sjastad, Hallgeir, Strick, Madelijn, Sul, Sunhae, Tummers, Lars, Turner, Monique, Yu, Hongbo, Zoh, Yoonseo, and Crockett, Molly J
- Published
- 2021
396. The Moral Machine experiment
- Author
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Massachusetts Institute of Technology. Media Laboratory, Massachusetts Institute of Technology. Institute for Data, Systems, and Society, Awad, Edmond, Dsouza, Sohan, Kim, Richard, Schulz, Jonathan, Henrich, Joseph, Shariff, Azim, Bonnefon, Jean-François, Rahwan, Iyad, Massachusetts Institute of Technology. Media Laboratory, Massachusetts Institute of Technology. Institute for Data, Systems, and Society, Awad, Edmond, Dsouza, Sohan, Kim, Richard, Schulz, Jonathan, Henrich, Joseph, Shariff, Azim, Bonnefon, Jean-François, and Rahwan, Iyad
- Abstract
With the rapid development of artificial intelligence have come concerns about how machines will make moral decisions, and the major challenge of quantifying societal expectations about the ethical principles that should guide machine behaviour. To address this challenge, we deployed the Moral Machine, an online experimental platform designed to explore the moral dilemmas faced by autonomous vehicles. This platform gathered 40 million decisions in ten languages from millions of people in 233 countries and territories. Here we describe the results of this experiment. First, we summarize global moral preferences. Second, we document individual variations in preferences, based on respondents’ demographics. Third, we report cross-cultural ethical variation, and uncover three major clusters of countries. Fourth, we show that these differences correlate with modern institutions and deep cultural traits. We discuss how these preferences can contribute to developing global, socially acceptable principles for machine ethics. All data used in this article are publicly available.
- Published
- 2020
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