191 results on '"Nusrat T"'
Search Results
102. Selection of new sweet potato genotypes based on production parameters, physical root characteristics and resistance to Euscepes postfasciatus.
- Author
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Leal, Murilo Henrique Souza, Zeist, André Ricardo, Rodrigues Júnior, Nilson, Silva Júnior, André Dutra, Arantes, José Henrique Verhalem, Garcia Neto, Jair, de Pieri, Julia Roberta Sanches, and Perrud, Amanda Carvalho
- Abstract
Sweet potato (Ipomoea batatas L.) is a root that allows healthy eating and combats malnutrition. There is a need for more productive sweet potato genotypes displaying good resistance and a favorable appearance and shape. New genotypes that are more productive, resistant to the main soil pests and with good physical characteristics would contribute to meet the needs of producers and the demands of consumers. The aim of this study was to develop and select sweet potato genotypes regarding agronomic and physical root parameters. The new genotypes were obtained through the cross-linking of 22 parents with commercial characteristics. Subsequently, 386 experimental genotypes were conducted in the field in an experimental design consisting of augmented blocks with intercalated controls. Aspects related to agronomic, physical root characteristics and resistance to Euscepes postfasciatus were explored. Genotypes with higher performance than the controls were identified for all assessed parameters. The genotypes UZBD-K-09, UZBD-K-56 and UZBD-K-78, with purple flesh roots, UZBD-F-15 and UZBD-F-34, with orange flesh, and UZBD-K-70, with a white flesh were selected. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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103. Effects of Tiger Nut Fiber on the Quality Characteristics and Consumer Acceptability of Cakes Made from Orange-fleshed Sweet Potato Flour.
- Author
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Omoba, Olufunmilayo S., Olagunju, Aderonke I., Iwaeni, Olutoyosi O., and Olajumoke Obafaye, Rebecca
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SWEET potatoes ,CAKE ,FLOUR ,DIETARY fiber ,VITAMIN deficiency ,FIBERS - Abstract
Dietary intervention stands as a practical and cheap approach to solve Vitamin A deficiency (VAD), a major public health problem among children and pregnant women in Africa. Quality characteristics and consumer acceptability of cakes from blends of orange-fleshed sweet potato (OFSP) flour and tiger nut (TN) fiber were investigated. OFSP and TN fiber were blended: A (100% OFSP), B (95% OFSP: 5%TN) and C (90% OFSP: 10%TN). Protein contents ranged from 4.93 to 5.92%, crude fiber from 3.78 to 4.10%, while energy contents ranged from 387.79 to 417.53 Kcal/100 g. Total dietary fiber ranged from 9.88 to 10.68%, insoluble dietary fiber ranged from 7.76 to 8.41%. Two-three servings of developed cakes showed potential to meet recommended daily vitamin A requirement for both children and adult. Cakes from 95%OFSP: 5% TN was most preferred. [ABSTRACT FROM AUTHOR]
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- 2021
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104. Ginsenoside Rh4 alleviates antibiotic-induced intestinal inflammation by regulating the TLR4-MyD88-MAPK pathway and gut microbiota composition.
- Author
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Bai, Xue, Fu, Rongzhan, Duan, Zhiguang, Liu, Yannan, Zhu, Chenhui, and Fan, Daidi
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- 2021
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105. Nutraceutical Content and Daily Value Contribution of Sweet Potato Accessions for the European Market.
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Galvao, Aline C., Nicoletto, Carlo, Zanin, Giampaolo, Vargas, Pablo F., and Sambo, Paolo
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SWEET potato genetics ,FUNCTIONAL foods ,FOOD consumption ,CAROTENOIDS ,PLANT breeding - Abstract
Sweet potatoes (SPs) are considered by the FAO as a primary crop for "traditional agriculture" in the tropics, but in Europe, its consumption is not widespread. However, consumer demand has grown exponentially over the past five years. This study has evaluated the quality and nutrient contents of storage roots of 29 SPs accessions to characterize their role in improving the human diet. Roots were analyzed for nutraceuticals, sugars, and minerals. Results underlined a considerable variability of nutrient content related to color among SPs accessions. The deep-orange-fleshed SPs showed a higher content of β-carotene compared to the light orange- and cream-fleshed ones; 100 g of edible product of HON86 can supply 32.3% of the daily value contribution of vitamin A, followed by the pale orange-fleshed BRA32 and BRA54. The total phenolic content of the purple ecotypes was about two to five times higher than the other genotypes. The calcium content was generally low, whereas, in many accessions, magnesium and phosphorus content reached 20%, or higher of the contribution to the daily value. Such a high variability suggests different use of the different accessions according to their strengths, but might also be used for breeding to improve quality traits of the commercial varieties. [ABSTRACT FROM AUTHOR]
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- 2021
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106. Effect of sintering temperature on the structural, morphological, electrical, and magnetic properties of Ni–Cu–Zn and Ni–Cu–Zn–Sc ferrites.
- Author
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Harun-Or-Rashid, Md., Islam, M. Nazrul, Arifuzzaman, M., and Hossain, A. K. M. Akther
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MAGNETIC properties ,POLYCRYSTALLINE semiconductors ,TEMPERATURE effect ,DIELECTRIC polarization ,FERRITES ,CURIE temperature ,ELECTRIC conductivity - Abstract
Polycrystalline Ni
0.3 Cu0.2 Zn0.5 Fe2 O4 and Ni0.3 Cu0.2 Zn0.5 Sc0.05 Fe1.95 O4 compounds have been prepared by standard solid-state reaction technique and sintered at 1000, 1100, 1150, 1200, and 1250 °C for 5 h in air. The effect of sintering temperature on the structural, morphological, magnetic, dielectric, and electrical properties of these spinel ferrites has been studied thoroughly and comparatively. Formation of the single-phase cubic spinel structure of these compositions is confirmed by X-ray diffraction analysis. The lattice constant increases with sintering temperature as well as with 5% scandium (Sc3+ ) doping in Ni–Cu–Zn ferrite. Surface morphology reveals that the grain size increases with sintering temperature. Among the prepared ferrites, Ni0.3 Cu0.2 Zn0.5 Sc0.05 Fe1.95 O4 has the maximum density (5.05 × 103 kg/m3 ) at sintering temperature 1150 °C, which gives the highest value of initial permeability. It is observed that initial permeability varies with sintering temperature, and it gives the maximum value at optimum sintering temperature. It is noted that Curie temperature decreases with 5% Sc3+ ions doping, whereas it slightly increases with increasing sintering temperature for both compositions. Ni0.3 Cu0.2 Zn0.5 Fe2 O4 compound shows the highest Curie temperature 418 °C. Dielectric constant, dielectric loss factor and AC electrical conductivity decrease with 5% Sc3+ ions doping in Ni–Cu–Zn ferrite. The initial permeability decreases sharply at Curie temperature, which indicates a high degree of compositional homogeneity. The 'Hopkinson' peak is observed just below the Curie temperature in the real part of initial permeability versus temperature graphs. The mechanism of dielectric polarization and electrical conductivity has been explained based on the electron hopping between Fe3+ and Fe2+ ions. The variation trend of complex impedance and AC electrical conductivity reveals the semiconducting behavior of the ferrite samples. Formation of partial semicircles in the Z/ -axis indicates that relaxation process is non-Debye type. The investigated ferrites show relatively high initial permeability, low magnetic loss, and low electrical conductivity in a wide frequency range, which make them potential candidate for various practical applications such as small and compact power suppliers for computers, microprocessors, microwave electronic devices, etc. [ABSTRACT FROM AUTHOR]- Published
- 2021
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107. Unused Non-sterile Latex Disposable Gloves Contamination with Healthcare-associated Bacteria and Contamination Reduction by Reminder Signs.
- Author
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Alqumber, Mohammed A.
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BACTERIAL contamination ,LATEX gloves ,MICROBIAL sensitivity tests ,PATHOGENIC bacteria ,HYGIENE - Abstract
Background: Non-sterile latex disposable gloves (NSLDGs) can prevent infections, but may also cause them if improperly used. Aim: To study NSLDGs bacterial contamination and the effect of hand hygiene reminder notices. Methods: A controlled interventional study was conducted through a quantitative bacterial sampling of NSLDGs (n = 160 gloves) obtained from boxes immediately after they were opened (baseline contamination) and 48 hours afterwards (per-intervention), and after hand hygiene reminder notices were placed (post-intervention). Bacteria were isolated and identified by 16S rRNA gene sequencing and antibiotic sensitivity testing. Findings: Pre-intervention contamination was found to be 90% and 65% for skin commensals and pathogens, respectively. Post-intervention contamination by skin commensals and pathogens declined to 70% and 15%, respectively, representing a significant reduction in the prevalence of pathogens (p = 0.0006244). The average number of colony-forming units per glove pair was also reduced, from 57.05 to 4.95 (p = 1.5 × 10-5) and from 16.1 to 0.65 (p = 0.003374), for skin commensals and pathogenic bacteria, respectively. Discussion: NSLDGs are potential pathogen transmission vehicles. Hand hygiene reminder notices placed on glove boxes can lead to reductions in bacterial contamination levels. [ABSTRACT FROM AUTHOR]
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- 2021
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108. Metallo-beta-lactamase-producing multidrug-pesistant acinetobacter isolates in patients with ventilator-associated pneumonia.
- Author
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Patil, Harsha, Mohite, Shivaji, and Patil, Virendra
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VENTILATOR-associated pneumonia ,BETA lactamases ,ACINETOBACTER ,CEFTAZIDIME ,CIPROFLOXACIN ,ACINETOBACTER infections ,INTENSIVE care units ,PIPERACILLIN - Abstract
Background: Acinetobacter, a nonfermenting Gram-negative coccobacilli, have emerged as significant pathogens causing multidrug-resistant (MDR) ventilator-associated pneumonia (VAP). Metallo-beta-lactamase (MBL)-producing Acinetobacter spp. have become an emerging therapeutic concern worldwide due to the MDR isolates. Aim and Objectives: Phenotypic detection of MBL producing MDR Acinetobacter isolates in patients with VAP and to study the antibiotic susceptibility pattern of MBL-producing isolates. Materials and Methods: This was a prospective observational and noninterventional study conducted on patients with VAP over a period of 2 years. This study was conducted at a tertiary care teaching hospital in the intensive care unit. A total of 164 MBL-producing MDR AB isolates were included in the study. MBL was detected by imipenem-EDTA double-disc synergy test (DDST), imipenem-EDTA combined disc synergy test (CDST-IPM), and MBL-E test. Results: A total of 188 samples were enrolled for the study, fulfilling the inclusion criteria of VAP. Total MDR Acinetobacter spp. isolates were 188 (76.42%) of them, 164 (87.23%) were MBL producing and 24 (12.76%) were nonMBL (P < 0.002). Total 11.17% and 88.83% MDR VAP due to Acinetobacter spp. were early-onset VAP and Late-onset VAP, respectively (P < 0.001). Late-onset VAP due to MDR Acinetobacter spp. was predominant in the present study caused by Acinetobacter spp. Of total 188 MDR Acinetobacter isolates, 156 (82.98%) were Acinetobacter baumannii, 15 (7.98%) were Acinetobacter iwoffii, 9 (4.79%) were Acinetobacter calcoacetiucs, 5 (2.66%) were Acinetobacter hemotyticus, and 3 (1.59%) were ABC complex, predominated by A. baumannii (P < 0.001). Of total 188 MDR Acinetobacter spp. 164 (87.23%) were putative MBL producing and 24 (12.67%) were nonMBL Acinetobacter spp. Of 164 MBL-producing isolates, 141 (85.98%) were detected by the DDST method, and 23 (14.02%) were DDST negative. Total 146 (89.02%) MDR Acinetobacter spp. were detected by a combined disc test-IMP test. A total of 152 (92%) MDR Acinetobacter spp. were detected by MBLe-Test. All MBL-producing MDR Acinetobacter spp. isolates (164) were resistant to piperacillin (PI), piperacillin + tazobactam (PIT), ciprofloxacin (CIP), ceftazidime (CAZ), cefepime (CPM), imipenem (IMP), and meropenem (MRP). The tigecycline (21.34%) resistance was significantly less compared to all other antibiotics. Conclusions: The present study highlighted the burden of MDR MBL producing Acinetobacter spp. in patients with VAP. About three-fourth of patients with VAP had MDR Acinetobacter spp. Eighty percent were MDR Acinetobacter spp. were MBL producers. MDR Acinetobacter isolates, including MBL producer, were significantly higher in late-onset VAP. The ability of phenotypic identification of Acinetobacter spp. for MBL producer among imipenem-EDTA double-disc synergy test (DDST), CDST-IPM and MBL-E Test were comparable. All MBL-producing MDR Acinetobacter spp. isolates were resistant to PI, Ciprofloxacin, CAZ, CPM, IMP, and MRP. The tigecycline resistance was significantly less (1/5
th ). The study of antibiotic sensitivity patterns and screening for MBL production among A. baumannii isolates is essential for controlling Acinetobacter infections. The judicious use of antimicrobial therapy and combined approaches of rotational antibiotic therapy is strongly suggested. [ABSTRACT FROM AUTHOR]- Published
- 2021
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109. Tailoring of structural and magnetic properties of nanosized lithium ferrites synthesized by sol–gel self-combustion method.
- Author
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Kaykan, Larysa, Sijo, A. K., Żywczak, Antoni, Mazurenko, Julia, and Bandura, Khrystyna
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MAGNETIC properties ,MAGNETIC structure ,SOL-gel processes ,MAGNETIC measurements ,MAGNETIC transitions ,SELF-propagating high-temperature synthesis - Abstract
In this study, we report the influence of Co
2+ on structure and magnetic properties of nano-sized Li0.5−x/2 Fe2.5−x/2 Cox O4 (where x = 0.0, 0.2, 0.4, 0.6, 0.8, 1.0) synthesized using sol–gel auto-combustion method. The X-ray diffractometric analysis of samples confirmed the formation of pure Li0.5−x 2Fe2.5−x 2Cox O4 nanoparticles ranges crystallite size from 36 to 43 nm with co-doping. There is a structural transformation from ordered P43 32 to random Fd3m observed, which is caused by the localization of cobalt ions. RT-Mössbauer the showed presence of 57Fe in both sublattices. Position identification was performed based on the distribution of the over exchange fields and isomeric shift data. Magnetic measurements showed that the saturation magnetization increases to x ≤ 0.8 and then decreases with Co-content due to the change in cationic distribution. The cobalt substitution turns Li–Co ferrite from soft-magnet to hard-magnet. [ABSTRACT FROM AUTHOR]- Published
- 2020
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110. Enhanced IL-36R signaling promotes barrier impairment and inflammation in skin and intestine.
- Author
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Hovhannisyan, Zaruhi, Liu, Nengyin, Khalil-Aguero, Sara, Panea, Casandra, VanValkenburgh, Jeffrey, Zhang, Ruoyu, Lim, Wei Keat, Bai, Yu, Fury, Wen, Huang, Tammy, Garnova, Elena, Fairhurst, Jeanette, Kim, Jee, Aryal, Smita, Ajithdoss, Dharani, Oyejide, Adelekan, del Pilar Molina-Portela, Maria, E, Hock, Poueymirou, William, and Oristian, Nicole Stokes
- Abstract
Sequelae of unrestrained IL-36 signaling: The IL-36 receptor integrates signals from three proinflammatory IL-36 agonist ligands opposed by one natural antagonist (IL-36Ra). Hovhannisyan et al. developed mice humanized for the extracellular portion of IL-36R and the IL-36 agonists (α, β, and γ) to evaluate anti-inflammatory treatment using antibodies blocking the human IL-36R. The mouse version of IL-36Ra retained by these mice is a weaker inhibitor at the human IL-36R than its human counterpart, leaving these mice susceptible to enhanced skin and intestinal inflammation after epithelial barrier insults. Antibodies blocking the IL-36R or the shared p40 subunit of IL-12/IL-23 interrupted an overlapping set of proinflammatory circuits in these mice, indicating that IL-36R–targeting therapeutics are candidates to treat some of the same human diseases responsive to inhibition of the IL-23/IL-17 axis. Deficiency in interleukin-36R (IL-36R) antagonist caused by loss-of-function mutations in IL-36RN leads to DITRA (deficiency of IL-36 receptor antagonist), a rare inflammatory human disease that belongs to a subgroup of generalized pustular psoriasis (GPP). We report a functional genetic mouse model of DITRA with enhanced IL-36R signaling analogous to that observed in patients with DITRA, which provides new insight into our understanding of the IL-36 family of molecules in regulating barrier integrity across multiple tissues. Humanized DITRA-like mice displayed increased skin inflammation in a preclinical model of psoriasis, and in vivo blockade of IL-36R pathway using anti-human IL-36R antibody ameliorated imiquimod-induced skin pathology as both prophylactic and therapeutic treatments. Deeper characterization of the humanized DITRA-like mice revealed that deregulated IL-36R signaling promoted tissue pathology during intestinal injury and led to impairment in mucosal restoration in the repair phase of chronic dextran sulfate sodium (DSS)–induced colitis. Blockade of IL-36R pathway significantly ameliorated DSS-induced intestinal inflammation and rescued the inability of DITRA-like mice to recover from mucosal damage in vivo. Our results indicate a central role for IL-36 in regulating proinflammatory responses in the skin and epithelial barrier function in the intestine, suggesting a new therapeutic potential for targeting the IL-36R axis in psoriasis and at the later stages of intestinal pathology in inflammatory bowel disease. [ABSTRACT FROM AUTHOR]
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- 2020
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111. Point prevalence surveys of antimicrobial use: a systematic review and the implications.
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Saleem, Zikria, Hassali, Mohamed Azmi, Godman, Brian, Versporten, Ann, Hashmi, Furqan Khurshid, Saeed, Hamid, Saleem, Fahad, Salman, Muhammad, Rehman, Inayat Ur, and Khan, Tahir Mehmood
- Subjects
HOSPITALS ,SYSTEMATIC reviews ,ANTI-infective agents ,DISEASE prevalence ,DRUG resistance in microorganisms ,ANTIBIOTICS ,PHARMACODYNAMICS - Abstract
Introduction: In view of increasing concerns with antimicrobial resistance (AMR), the World Health Organization (WHO) instituted a Global Action Plan (GAP) to address this. Area covered: One of the strategies to achieve the goals of GAP is to conduct regular surveillance of antimicrobial use through point prevalence surveys (PPS). In this review, PubMed, EBSCO, Proquest, Cinahl, and Scopus were searched for PPS of antimicrobial use published in English between January 2000 and December 2019. After systematic database screening of 2,893 articles, 60 PPS met the inclusion criteria and consequently were incorporated in this systematic review. Expert opinion: This review highlighted that most of the PPS were conducted in upper-middle and high-income countries. Prevalence of antimicrobial use was significantly higher in non-European hospitals compared with European hospitals. The domination of third-generation cephalosporin and fluoroquinolones use across all the regions suggests substantial use of broad-spectrum antimicrobials across countries. Among all identified regions around the world, India was the region where the highest use of antimicrobials was observed. Although PPS is a useful tool to assess the pattern of antimicrobial use and provides a robust baseline; however, a standardized surveillance method is needed. In order to optimize antimicrobial use, more efforts are required to improve antimicrobial use. [ABSTRACT FROM AUTHOR]
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- 2020
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112. Synthesis and Characterization of Core–Shell NiFe2O4@MgFe2O4 and ZnFe2O4@MgFe2O4 Nanoferrites.
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Roumaih, Kh., Yehia, M., and Hassan, H. E.
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NICKEL ferrite ,FERRITES ,MAGNETIC nanoparticles ,TRANSMISSION electron microscopes ,MAGNETIC properties ,MAGNETIC fields ,LATTICE constants - Abstract
Two magnetic nanocomposites were prepared from spinel ferrite magnetic nanoparticles NiFe
2 O4 (NF) and ZnFe2 O4 (ZF) with MgFe2 O4 (MF) using citrate precursor method. The X-ray diffraction confirmed that the structure of all the samples was a single phase of spinel ferrites with space group Fd-3m. The determined lattice parameter (a) is within the expected values of MF, NF, and ZF. The grain size of all the nanocomposites obtained from the high resolution transmission electron microscope images showed that all the samples are in the nanoscale. The vibrating sample magnetometer was used to investigate the magnetic properties. An unexpected value of saturation magnetization (MS ) was obtained for both NF@MF and ZF@MF where NF@MF is less than NF and ZF@MF is higher than of ZF. Self-heating characteristics under an alternating current magnetic field of 9.27 km−1 and a frequency of 198 kHz were investigated for hyperthermia applications. The results show an upward trend for the samples in the temperature vs. time chart, as a result of increasing in MS of the samples where the NF@MF has the highest values of SAR. [ABSTRACT FROM AUTHOR]- Published
- 2020
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113. Delaying the harvest induces bioactive compounds and maintains the quality of sweet potatoes.
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Simões, Adriano do Nascimento, Almeida, Samara Lopes, Borges, Cristine Vanz, Fonseca, Kelem Silva, Barros Júnior, Aurélio Paes, Albuquerque, José Ricardo Tavares, Corrêa, Camila Renata, Minatel, Igor Otavio, Morais, Maria Aparecida dos Santos, Diamante, Marla Silvia, and Lima, Giuseppina Pace Pereira
- Subjects
BIOACTIVE compounds ,SWEET potatoes ,POTATO quality ,1-Methylcyclopropene ,MICROBIAL contamination ,HARVESTING time ,HARVESTING - Abstract
We have identified the best harvesting periods, related to higher bioactive compound content and post‐harvest quality, for minimally processed sweet potatoes with orange pulp and cream pulp. Quality loss in minimally processed sweet potatoes occurred due to browning in cv. Mãe de Familia and ESAM1 and to whitening in cv. Paraná. Both Mãe de Família and ESAM1 presented higher peroxidase and polyphenol oxidase activities at 120 days, and cv. Paraná contained high levels of provitamin A. β‐carotene was the major carotenoid (up to 99%) in orange pulp. All cultivars harvested at 150 and 180 days and minimally processed showed the best visual quality, the highest bioactive compound content, and no microbial infection. Delaying the harvest also increase the antioxidant activity in orange roots, which was associated with a high content of carotenoids and phenolic compounds, resulting in an increase in the nutritional quality of the product. Practical applications: Postharvest techniques can improve the visual and phytochemical quality of vegetables and extend their shelf life. The present research provides the best harvesting periods for minimally processed cream and orange sweet potato roots with higher postharvest qualities. Delaying the harvest resulted in a product with better visual quality, higher levels of bioactive compounds, which are highly beneficial to health, for example, ß‐carotene, and no microbiological contamination. Our results may contribute to improvements in the current knowledge about harvesting times for sweet potato growers who aim to produce high quality, minimally processed products with a longer shelf life. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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114. Effect of processing methods on the chemical composition and bio‐accessibility of beta‐carotene in orange‐fleshed sweet potato.
- Author
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Kolawole, Fausat L., Balogun, Mutiat A., Oyeyinka, Samson A., Adejumo, Raheemat O., and Sanni‐Olayiwola, Halimat O.
- Subjects
SWEET potatoes ,CHEMICAL processes ,BETA carotene ,VITAMIN B1 ,VITAMIN deficiency - Abstract
This study investigated the effect of baking, frying, and extrusion on the chemical composition and in vitro bio‐accessibility of beta‐carotene in orange‐fleshed sweet potato (flour and paste). The vitamin B1, B2, B6, and B9 contents in the samples fell within the range of 32.85–35.22 µg/100 g, 84.35–151.85 µg/100 g, 46.75–54.35 µg/100 g, and 7.65–21.55 µg/100 g, respectively. The fried paste had the highest beta‐carotene content (1,093.64 µg/100 g) when compared to the fresh root (116.12 µg/100 g) and would contribute approximately 22.8%, 11.4%, and 10.72% of the Recommended Daily Allowance for Vitamin A (µg RAE/100 g) of children, pregnant women, and lactating mothers, respectively. Frying of OFSP in the paste/puree form showed the highest bio‐accessible beta‐carotene (342.48 µg/g) compared to the fresh root (57.72 µg/g) and other samples (263.22–330.83 µg/g). Extrusion gave the highest protein content while baking yielded better mineral retention levels. Processing methods, as well as the form in which OFSP was processed did have a significant effect on the nutrient composition of the final product. Frying is nonetheless encouraged for dietary plans targeted at alleviating Vitamin A deficiency. Practical applications: Orange Fleshed Sweet Potato (OFSP) has gained considerable popularity as an intervention crop for Vitamin A Deficiency (VAD) and hunger driven states. This work has shown the possibility of utilizing OFSP paste and flour using simple processing methods that can be employed by commercial food industries and even at household levels. OFSP flour or paste could be incorporated in pastries, bakery goods, extruded snacks, and local food recipes. Frying of OFSP paste was identified as the best processing method to yield the highest beta carotene content and higher bio‐accessibility. This would help in addressing the problem of malnutrition and Vitamin A deficiency (VAD) in affecting developing countries. Also, the knowledge from this work is important in planning diets targeted at addressing VAD and also informing nutritionists, consumers, and producers on the effect of processing on the nutrient composition of OFSP. [ABSTRACT FROM AUTHOR]
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- 2020
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115. Phase transformation, nanorod-like morphology, wide bandgap, and dielectric properties of 1 − x (Al0.2La0.8TiO3) + x (BaTiO3) (x = 0.2–0.8) nanocomposites.
- Author
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Reddy, B. Venkata Shiva, Srinivas, K., Kumar, N. Suresh, and Naidu, K. Chandra Babu
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DIELECTRIC properties ,FIELD emission electron microscopy ,PERMITTIVITY ,TRANSITION temperature ,TRANSMISSION electron microscopy - Abstract
A series of 1 − x (Al
0.2 La0.8 TiO3 ) + x (BaTiO3 ) (x = 0.2, 0.4, 0.6, and 0.8)/ALTBT nanocomposites were prepared via the hydrothermal technique at 150 °C/6 h. The phase identification and structural transformation from tetragonal to cubic were confirmed using the X-ray diffraction pattern (XRD). Particularly, the low BaTiO3 contents (x = 0.2 and 0.4) revealed the tetragonal structure, while the high BaTiO3 contents (x = 0.6 and 0.8) showed the predominant cubic phases. Furthermore, the nanorod-like surface morphology was evidenced from the field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM). The optical properties ensured the presence of metal oxide (M–O) bonds and wide optical bandgap (Eg ~ 3.975–3.899 eV) values. The frequency dependence of dielectric properties was described as a function of composition. The results expressed that the high dielectric constant (ε′) of 260.8 was noticed at 10 kHz for x = 0.8 composite. The dc-electrical conductivity (σdc ) and exponent (n) parameters were determined by applying power law fit to the log σac versus log ω plots. The temperature dependence of dielectric constant plots indicated the dielectric transition temperature from 723 to 623 K with the increase of 'x'. [ABSTRACT FROM AUTHOR]- Published
- 2020
- Full Text
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116. Investigation of electrical, magnetic, and optical properties of silver-substituted magnesium–manganese ferrite nanoparticles.
- Author
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Somnath, Batoo, Khalid Mujasam, Raslan, Emad H., Adil, Syed Farooq, Sharma, Indu, and Kumar, Gagan
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FERRITES ,SILVER ions ,OPTICAL properties ,MAGNETIC traps ,MAGNESIUM ,SILVER sulfide ,LATTICE constants ,ELECTRIC properties ,DIELECTRIC properties - Abstract
In this work, a series of silver-doped Mg–Mn ferrite nanoparticles, Mg
0.9 Mn0.1 Agx Fe2−x O4 (x = 0.0, 0.1, 0.2), has been synthesized by solution combustion method and effects of Ag+ ions on the structural, electrical, magnetic as well as optical properties have been investigated. The phase recognition has been confirmed by utilizing X-ray diffraction (XRD) study. The particle size and strain has been estimated using the Williamsons–Hall plots, while Nelson–Riley plots have been utilized to predict the lattice parameter. An increase in the particle size (17.5–21.8 nm) and lattice parameter (8.37–8.39 Å) has been viewed with the adding up of Ag+ ions. Incorporation of Ag+ ion has decreased the resistivity and has produced a normal dispersion curve in the dielectric properties. The M–H study has confirmed an increase in the saturation magnetization (16.9–22.7 emu/g), which has reflected the strengthening of magnetic exchange interactions with the addition of silver content in the Mg–Mn ferrite nanoparticles matrix. The bandgap estimated from the Tauc plots has been viewed to decrease (6.08–4.85 eV) by the rise in silver ions content. Raman spectroscopy study has predicted a slight shift in the Raman modes towards the lower frequency. The electric and dielectric properties have been explained in the light of Verwey's hopping mechanism and Maxwell–Wagner model, respectively. The obtained magnetic parameters have suggested that present nanoferrites are quite suitable for electromagnet application. [ABSTRACT FROM AUTHOR]- Published
- 2020
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117. The effect of cultivar on selected quantitative and qualitative parameters of sweet potatoes (Ipomoea batatas L.) grown in Slovak republic.
- Author
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ŠLOSÁR, Miroslav, HEGEDŰSOVÁ, Alžbeta, HEGEDŰS, Ondrej, MEZEYOVÁ, Ivana, and TIMORACKÁ, Mária
- Subjects
SWEET potatoes ,POTATOES ,TUBERS ,SWEETNESS (Taste) ,POTATO growing ,VEGETABLES - Abstract
Copyright of Journal of Central European Agriculture is the property of Journal of Central European Agriculture and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2020
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118. DIETARY FIBRE CONTENT IN ETHNIC AND UNCONVENTIONAL VEGETABLES AND FRUITS GROWING IN BANGLADESH.
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Ruhee, Ruheea Taskin, Sams, Samia, Begum, Amena, Alam, Mohammad Khairul, Begum, Parveen, Khatun, Maksuda, Kawser, Mahbuba, Saberin, Silvia, Ahsan, Monira, and Islam, Sheikh Nazrul
- Subjects
DIETARY fiber ,CHRONIC diseases - Abstract
Dietary fibre is known to provide health benefit and protect against degenerative chronic diseases. Thus, the present study reports the total dietary fibre (TDF) content of sixty-nine selected ethnic and unconventional vegetables and fruits growing in Bangladesh. The samples were collected from different locations of Bangladesh and mixed together to ensure sample representativeness. Dietary fibre assay kit according to the AOAC method was utilized for the analysis of TDF in selected vegetables and fruits. In the ethnic varieties, the TDF content ranged from 1.02 ±0.16 to 7.16 ±0.16 g for leafy (LV), 0.18 ±0.01 to 6.71 ±0.49 g for non-leafy vegetables (NLV) and 1.21 ±0.12 to 5.29 ±0.20 g for fruits per 100 g edible portion (EP). In the unconventional items, it arrayed from 3.08 ±0.34 g to 7.75 ±0.13 g for LV and 1.02 ±0.06 to 8.82 ±0.40 g for NLV per 100 g EP. Among the analysed samples, the highest and lowest content of TDF was found in Orohordal and Mairabokong, respectively. The unconventional vegetables contained much higher content of TDF than the ethnics and the commonly consumed similar varieties. Data on TDF content in underutilized vegetables and fruits of Bangladesh is sparse. Thus, the finding of this study would fill up the data gap in the existing food composition table of Bangladesh and also would aware the people to take vegetables and fruits rich in fibres. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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119. Green and cytocompatible carboxyl modified gold--lysozyme nanoantibacterial for combating multidrug-resistant superbugs.
- Author
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Ahmady, Islam M., Hameed, Mehavesh K., Almehdi, Ahmed M., Arooj, Mahreen, Workie, Bizuneh, Sahle-Demessie, Endalkachew, Changseok Han, and Mohamed, Ahmed A.
- Published
- 2019
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120. Synthesis, structural, microstructural and electromagnetic properties of (1 − x) [Ni0.25Cu0.15Zn0.60Fe2O4] + (x) [Na1/3Ca1/3Bi1/3Cu3Ti4O12] composites
- Author
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Khan, Subrin Mostafa, Sharmin, Most, Khan, M. N. I., Akther Hossain, A. K. M., and Rahaman, Md. D.
- Subjects
COPPER-titanium alloys ,IRON-nickel alloys ,ELECTRIC impedance ,CRYSTAL grain boundaries ,PERMITTIVITY ,GRAIN size ,SURFACE morphology - Abstract
In this work, lead-free (1 − x) [Ni
0.25 Cu0.15 Zn0.60 Fe2 O4 ] (NCZFO) + (x) [Na1/3 Ca1/3 Bi1/3 Cu3 Ti4 O12 ] (NCBCTO) (0.0 ≤ x ≤ 1.0) were synthesized via solid state reaction route and sintered at 1000 and 1050 °C. The phase compositions and surface morphology of the composites were investigated using standard techniques. XRD and FTIR analyses confirmed the successful formation of the composites without any impurity phases. The SEM analysis disclosed that the average grain size was decreased as the NCBCTO content increases at both sintering temperatures. The exhibition of the dielectric https://www.sciencedirect.com/topics/materials-science/permittivity dispersion is ascribed to the Maxwell–Wagner interfacial polarization. At 1050 °C, the x = 0.05 composite exhibits giant dielectric constant which is attributed to the increased density. AC conductivity study ascertains that the conduction mechanism is mainly accounted for the small polaron hopping. Complex impedance and electric modulus studies ascertain the non-Debye type relaxation mechanism. The permeability increases up to certain proportion of NCBCTO and deteriorates with further increase in NCBCTO content at both sintering temperatures. The increment is accounted for the improved grain size and density while the decrement is attributed to the magnetic dilution caused by the excess amount of NCBCTO. The Q-factor increases up to certain proportion of NCBCTO and decreases with further increase in NCBCTO. The increment in Q-factor is a consequence of the reduced resistivity at the grain boundaries while the deterioration is ascribed to the increased resistivity. Therefore, it can be said that addition of proper concentration of NCBCTO to NCZFO can prove the electromagnetic properties. [ABSTRACT FROM AUTHOR]- Published
- 2019
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121. Flour, dough and bread properties of wheat flour substituted with orange-fleshed sweetpotato flour.
- Author
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Edun, A. A., Olatunde, G. O., Shittu, T. A., and Adeogun, A. I.
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FLOUR ,SWEET potatoes ,PROTEINS ,GELATION ,CAROTENOIDS - Abstract
This study investigated some quality attributes of composite flours, dough and bread from wheat flour substituted with orange-fleshed sweetpotato (OFSP) flour at 0–30% levels. Chemical, functional and pasting properties of flours, rheological properties of dough, as well as chemical composition and physical properties of bread were determined. Protein content of composite flours decreased by 25.51–37.37% at 10–30% OFSP flour substitution. Flour composites were higher in ash (2.12–2.33%), crude fibre (3.28–4.34%), water (1.45–2.08 ml/g) and oil (1.45–1.67 ml/g) absorption capacities. Wheat flour (100%) had maximum peak viscosity of 117.71 Rapid Visco Units (RVU) which decreased by 0.71–30.80% with OFSP flour substitution. Dough from composites had higher hydration (82.15–112.10%) and breakdown torque (0.38–0.42 Nm) but lower stability (1.16–2.38 min), protein weakening (0.06–0.37 Nm), starch gelatinization (0.46–0.81 Nm), stability of hot gel (0.04–0.43 Nm) and starch retrogradation (0.46–0.81 Nm). Bread substituted with OFSP flour had higher total carotenoids (1565.50–5179.27 µg/100 g), weight (193.74–198.50 g) and crumb moisture (27.81–27.91%). [ABSTRACT FROM AUTHOR]
- Published
- 2019
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122. Review on nutritional composition of orange‐fleshed sweet potato and its role in management of vitamin A deficiency.
- Author
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Neela, Satheesh and Fanta, Solomon W.
- Subjects
VITAMIN deficiency ,SWEET potatoes ,DEVELOPING countries ,ANIMAL feeds ,MATERIALS ,PHENOLIC acids - Abstract
A wide variety of the roots and tubers plays a major role in human diet, animal feed, and industrial raw materials. Sweet potatoes (SPs) play an immense role in human diet and considered as second staple food in developed and underdeveloped countries. Moreover, SP production and management need low inputs compared to the other staple crops. The color of SP flesh varied from white, yellow, purple, and orange. Scientific studies reported the diversity in SP flesh color and connection with nutritional and sensory acceptability. Among all, orange‐fleshed sweet potato (OFSP) has been attracting food technologists and nutritionists due to its high content of carotenoids and pleasant sensory characteristics with color. Researchers reported the encouraging health effects of OFSP intervention into the staple food currently practicing in countries such as Uganda, Mozambique, Kenya, and Nigeria. Scientific reviews on the OFSP nutritional composition and role in vitamin A management (VAM) are hardly available in the published literature. So, this review is conducted to address the detailed nutritional composition (proximate, mineral, carotenoids, vitamins, phenolic acids, and antioxidant properties), role in vitamin A deficiency (VAD) management, and different food products that can be made from OFSP. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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123. Tasks, Techniques, and Tools for Genomic Data Visualization.
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Nusrat, S., Harbig, T., and Gehlenborg, N.
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DATA visualization ,MEDICAL research ,TASKS - Abstract
Genomic data visualization is essential for interpretation and hypothesis generation as well as a valuable aid in communicating discoveries. Visual tools bridge the gap between algorithmic approaches and the cognitive skills of investigators. Addressing this need has become crucial in genomics, as biomedical research is increasingly data‐driven and many studies lack well‐defined hypotheses. A key challenge in data‐driven research is to discover unexpected patterns and to formulate hypotheses in an unbiased manner in vast amounts of genomic and other associated data. Over the past two decades, this has driven the development of numerous data visualization techniques and tools for visualizing genomic data. Based on a comprehensive literature survey, we propose taxonomies for data, visualization, and tasks involved in genomic data visualization. Furthermore, we provide a comprehensive review of published genomic visualization tools in the context of the proposed taxonomies. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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124. Common garden experiment reveals altered nutritional values and DNA methylation profiles in micropropagated three elite Ghanaian sweet potato genotypes.
- Author
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Akomeah, Belinda, Quain, Marian D., Ramesh, Sunita A, Anand, Lakshay, and Rodríguez López, Carlos M.
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SWEET potatoes ,BIOFORTIFICATION ,NUTRITIONAL value ,DNA fingerprinting ,DNA methylation ,GENOTYPES - Abstract
Micronutrient deficiency is the cause of multiple diseases in developing countries. Staple crop biofortification is an efficient means to combat such deficiencies in the diets of local consumers. Biofortified lines of sweet potato (Ipomoea batata L. Lam) with enhanced beta-carotene content have been developed in Ghana to alleviate Vitamin A Deficiency. These genotypes are propagated using meristem micropropagation to ensure the generation of virus-free propagules. In vitro culture exposes micropropagated plants to conditions that can lead to the accumulation of somaclonal variation with the potential to generate unwanted aberrant phenotypes. However, the effect of micropropagation induced somaclonal variation on the production of key nutrients by field-grown plants has not been previously studied. Here we assessed the extent of in vitro culture induced somaclonal variation, at a phenotypic, compositional and genetic/epigenetic level, by comparing field-maintained and micropropagated lines of three elite Ghanaian sweet potato genotypes grown in a common garden. Although micropropagated plants presented no observable morphological abnormalities compared to field maintained lines, they presented significantly lower levels of iron, total protein, zinc, and glucose. Methylation Sensitive Amplification Polymorphism analysis showed a high level of in vitro culture induced molecular variation in micropropagated plants. Epigenetic, rather than genetic variation, accounts for most of the observed molecular variability. Taken collectively, our results highlight the importance of ensuring the clonal fidelity of the micropropagated biofortified lines in order to reduce potential losses in the nutritional value prior to their commercial release. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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125. Engineering Polymer‐Binding Bispecific Antibodies for Enhanced Pretargeted Delivery of Nanoparticles to Mucus‐Covered Epithelium.
- Author
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Huckaby, Justin T., Parker, Christina L., Jacobs, Tim M., Schaefer, Alison, Wadsworth, Daniel, Nguyen, Alexander, Wang, Anting, Newby, Jay, and Lai, Samuel K.
- Subjects
MUCUS ,BISPECIFIC antibodies ,EPITHELIUM ,TARGETED drug delivery ,NANOPARTICLES ,POLYETHYLENE glycol - Abstract
Mucus represents a major barrier to sustained and targeted drug delivery to mucosal epithelium. Ideal drug carriers should not only rapidly diffuse across mucus, but also bind the epithelium. Unfortunately, ligand‐conjugated particles often exhibit poor penetration across mucus. In this work, we explored a two‐step "pretargeting" approach through engineering a bispecific antibody that binds both cell‐surface ICAM‐1 and polyethylene glycol (PEG) on the surface of nanoparticles, thereby effectively decoupling cell targeting from particle design and formulation. When tested in a mucus‐coated Caco‐2 culture model that mimics the physiological process of mucus clearance, pretargeting increased the amount of PEGylated particles binding to cells by around 2‐fold or more compared to either non‐targeted or actively targeted PEGylated particles. Pretargeting also markedly enhanced particle retention in mouse intestinal tissues. Our work underscores pretargeting as a promising strategy to improve the delivery of therapeutics to mucosal surfaces. I′ve been slimed! Densely PEGylated nanoparticles can rapidly diffuse across mucus but fail to specifically bind the underlying cells. By engineering a novel PEG‐binding bispecific antibody, a two‐step pretargeting approach was developed to increase the delivery of PEG‐coated mucus‐penetrating particles (PEG‐MPPs) to mucus‐covered epithelium. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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126. Gallic acid influence on bovine serum albumin thermal stability.
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Precupas, Aurica, Leonties, Anca Ruxandra, Neacsu, Andreea, Sandu, Romica, and Popa, Vlad Tudor
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SERUM albumin ,GALLIC acid ,THERMAL stability - Abstract
Gallic acid (GA) is a naturally occurring plant phenolic acid with moderate affinity for BSA, but its presence in different concentrations may change the thermal stability of the protein. The present study explores the effect of GA on the thermal denaturation of bovine serum albumin (BSA) using calorimetric and spectroscopic tools. Differential scanning calorimetry (DSC) and circular dichroism spectroscopy (CD) results indicated that GA binding increased the protein intramolecular packing and induced higher thermal stability. Turbidity variations over time proved that GA binding promotes aggregation of a BSA fraction, partially unfolded by the thermal treatment. Dynamic light scattering (DLS) measurements pointed to a protective effect of GA for the monomeric form of the protein coupled with enhancing large size aggregate formation. This dual effect of GA is reported for the first time in the present study. The obtained results contain significant information concerning the thermal behavior of the GA–BSA system. They offer a fresh insight into the designing of new compounds with potential inhibitor activity on protein aggregation, with applications in life sciences. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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127. Carotenoid profile and basic structural indicators of native Peruvian chili peppers.
- Author
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Morales-Soriano, Eduardo, Panozzo, Agnese, Ugás, Roberto, Grauwet, Tara, Van Loey, Ann, and Hendrickx, Marc
- Subjects
CAROTENOIDS ,DIETARY fiber ,PLANT nutrition ,FOOD industry ,HOT peppers - Abstract
The cognition of original qualitative attributes of native Peruvian chili peppers elucidate their potential industrial exploitation. There is a lack of scientific information about chili pepper physicochemical and nutritional attributes, that hampers their immediate industrial use. Therefore, the aim of the present study was to characterize twenty Peruvian chili pepper landraces in terms of structural and nutritional properties. In particular, the Bostwick consistency index of chili purées, dry matter, dietary fibers and pectin content were determined. In addition, the color and carotenoid profile of each landrace were studied. A wide range of consistency and stability were found, and partially explained by the dry matter, dietary fiber and pectin content. C. annuum landraces displayed the highest dry matter and fiber content. Moreover, different carotenoid profiles were observed, being β-carotene the most abundant in almost all the samples. Capsanthin was present only in red landraces, while yellow ones had low total carotenoid content. High Retinol Activity Equivalent levels were determined for red peppers, while high insoluble dietary fiber level was found in all the samples. Cluster analysis, including all the chili pepper attributes, showed no relation between taxonomical classification and chili peppers structural, sensorial, and nutritional characteristics. Unique features of studied chili pepper landraces presented in this work should be considered during their industrial processing. In this context, these results might be considered a starting point for processing design and for the proper valorization of this raw material. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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128. Structural, microstructural, electromagnetic and magnetoelectric properties of (1 − y) [Ba0.85Ca0.15Zr0.1Ti0.9O3] + (y) [Ni0.92Co0.03Mn0.05Cu0.05Fe1.95−xAlxO4] composites
- Author
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Ferdousy, Jannatul, Rahaman, Md. D., Akter, Sharmin, Kabir, M. F., Nusrat, Tania, Khan, M. N. I., Shovon, Osman Goni, and Akther Hossain, A. K. M.
- Subjects
POLYCRYSTALS ,X-ray diffraction ,SCANNING electron microscopy ,MAGNETOELECTRIC effect ,DIELECTRICS - Abstract
In the present study, polycrystalline (1 − y) [Ba
0.85 Ca0.15 Zr0.1 Ti0.9 O3 ] (BCZTO) + (y) [Ni0.92 Co0.03 Mn0.05 Cu0.05 Fe1.95−x Alx O4 ] (NCMCFAlx O) (where x = 0, 0.1, 0.3, 0.5, 0.7, 0.9 and y = 0.5) composites were synthesized via solid state reaction route. The samples were characterized through the standard techniques. X-ray diffraction (XRD) analysis revealed the successful formation of the BCZTO-NCMCFAlx O composites without any extra phases and diffusion. The lattice parameter of BCZTO and NCMCFAlx O decreases as the concentration of Al3+ increases. SEM analysis reveals that the microstructure exhibits nonuniform grain size distribution with Al3+ concentration. The dispersion of dielectric constant is well consistent with Maxwell-Wagner interfacial polarization and the dielectric constant decreases as the concentration of Al3+ ions increases due to the difference of ionic radii. The electrical conductivity is due to the small polaron hopping according to Austin-Mott model. The decrement in saturation magnetization with increasing Al3+ concentration because exchange interactions is weakened through the substitution of Fe3+ by Al3+ ions. Permeability decreases with Al3+ concentration and exhibits good frequency stability over the entire measured frequency domain. The magnetoelectric coupling coefficient decreases as the concentration of Al3+ increases at both sintering temperatures which is due to the variation of grain size. The maximum magnetoelectric voltage coefficient of 0.72 V Oe−1 cm−1 was obtained for the pristine composite at 1373 K. [ABSTRACT FROM AUTHOR]- Published
- 2019
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129. Peel meals as feed ingredients in poultry diets: Chemical composition, dietary recommendations and prospects.
- Author
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Diarra, Siaka S.
- Subjects
POULTRY feeding ,POULTRY products ,FEED additives ,DIETARY supplements ,FEED processing ,CULTIVARS - Abstract
Abstract: The increase demand for poultry products has had direct effect on the supply and price of feed. This has increased research interest into the potential of locally available, less competed and low cost materials as feed ingredients. Several peels from roots/tubers and fruits have been evaluated in poultry diets but recommendations have not been consistent. High fibre, low nutrient density and likely presence of antinutritional factors limit the efficient utilisation of peel meal by poultry. Plant cultivar, age, agronomic practices, method of peel processing, breed and age of poultry all affect the inclusion level of peel meal in poultry diets. The increase interest in breeding crops for low antinutrients, knowledge in processing technologies and availability of several additives such as enzyme products, amino acids and antinutrients binding agents in the feed market could improve the usefulness of peel meal in on‐farm poultry rations. This study reviews the potential of selected root/tuber and fruit peels as feed ingredients for poultry with regards their composition, dietary recommendation and prospects. [ABSTRACT FROM AUTHOR]
- Published
- 2018
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130. Influence of Gd3+-substitution on structural, magnetic, dielectric and modulus spectroscopic characteristics of ZnFe2O4 spinel ferrite nanoparticles.
- Author
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Yadav, Raghvendra Singh, Kuřitka, Ivo, Vilcakova, Jarmila, Havlica, Jaromir, Kalina, Lukas, Urbánek, Pavel, Machovsky, Michal, Skoda, David, and Masař, Milan
- Subjects
GADOLINIUM ,ZINC ferrites ,NANOPARTICLES ,SOL-gel processes ,FOURIER transform infrared spectroscopy ,RAMAN spectroscopy ,X-ray photoelectron spectroscopy ,MAGNETIC hysteresis - Abstract
The gadolinium (Gd
3+ ) substituted zinc ferrite nanoparticles (ZnFe2−x Gdx O4 ) for Gd3+ (x = 0.00, 0.05, 0.10, 0.20) have been synthesized by honey mediated sol-gel auto-combustion method. The X-ray diffraction study revealed the formation of spinel ferrite crystal structure. The Raman spectroscopy and Fourier transform infrared spectroscopy study well support the XRD results analysis. The field emission scanning electron microscopy micrograph revealed spherical morphology and grain size around 10-30 nm for ZnFe2−x Gdx O4 (x = 0.10) nanoparticles. The presence of Zn2+ and Fe3+ oxidation state in synthesized nanoparticles was confirmed by X-ray photoelectron spectroscopy. Magnetic properties of the Gd3+ substituted zinc ferrite nanoparticles were investigated by vibrating sample magnetometer at room temperature. The conversion of magnetic hysteresis curves from ferromagnetic to a paramagnetic with the substitution of Gd3+ in zinc ferrite nanoparticles was observed. Frequency dependent dielectric constant and ac conductivity measurements revealed that Gd3+ substitution improved the value of dielectric constant and ac conductivity of the Gd3+ substituted zinc ferrite nanoparticles. Further, the existence of two semicircles in Cole-Cole plot demonstrated the role of both grains and grain boundaries to conduction process in synthesized Gd3+ ion substituted zinc ferrite nanoparticles. Furthermore, the grain relaxation time (τg ), grain boundary relaxation time (τgb ), grain resistance (Rg ), grain capacitance (Cg ), grain boundary resistance (Rgb ) and grain boundary capacitance (Cgb ) for synthesized ZnFe2−x Gdx O4 (x = 0.00, 0.05, 0.10, 0.20) nanoparticles have been calculated using modulus spectroscopy analysis. [ABSTRACT FROM AUTHOR]- Published
- 2018
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131. Modern Forms and New Challenges in Medical Sensors and Body Area Networks.
- Author
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Zhang, Yudong, Gorriz, Juan Manuel, and Wang, Shuihua
- Subjects
BODY sensor networks ,BODY area networks ,RESPIRATION ,SINGLE-photon emission computed tomography - Abstract
Traditional medical sensors/monitors can measure pressure, airflow, force, oxygen, pulse, temperature, etc. On the other hand, medical imaging sensors - for example, X-ray, magnetic resonance imaging (MRI), computed tomography (CT), positron emission tomography (PET), and single-photon emission computed tomography (SPECT) - play an essential role in checking the anatomic structure, functional, and physiological processes of the body. We believe that medical sensors and body area networks complement each other, with the ultimate goal of providing better services for patients and doctors. [Extracted from the article]
- Published
- 2022
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132. Konjac Glucomannan Oligosaccharides Prevent Intestinal Inflammation Through SIGNR1-Mediated Regulation of Alternatively Activated Macrophages.
- Author
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Tang J, Liu J, Yan Q, Gu Z, August A, Huang W, and Jiang Z
- Subjects
- Animals, Colitis chemically induced, Dextran Sulfate, Macrophage Activation drug effects, Male, Mice, Mice, Inbred C57BL, Signal Transduction drug effects, Cell Adhesion Molecules physiology, Colitis prevention & control, Lectins, C-Type physiology, Macrophage Activation physiology, Mannans pharmacology, Oligosaccharides pharmacology, Prebiotics, Receptors, Cell Surface physiology
- Abstract
Scope: Konjac glucomannan oligosaccharides (KMOS) are prebiotics and may improve intestinal immunity through modulation of macrophage function. However, the underlying molecular mechanisms were unclear., Methods and Results: Using a mouse model of dextran sulfated sodium (DSS)-induced acute colitis, the study demonstrates here that KMOS (400 mg
-1 kg-1 d-1 ) can ameliorate intestinal inflammation in a macrophage dependent manner. Oral exposure to KMOS prevents DSS-induced intestinal pathology, improves epithelial integrity, and decreases accumulation of colonic inflammatory leukocytes and cytokines. The therapeutic effects of KMOS are dependent on the function of macrophages, as depletion of macrophages abolished the effects. In colonic lamina propria of DSS-treated mice, as well as in vitro culture of bone marrow derived macrophages (BMDMs), KMOS skews reprogramming of classically activated macrophages (CAM/M1) into alternatively activated macrophages (AAM/M2). The study further determines that the activation of SIGNR1/phospho-c-Raf (S338)/phospho-p65 (S276)/acetyl-p65 (K310) pathway is responsible for KMOS-induced AAM/M2 polarization. Blockage of SIGNR1 abolishes KMOS-induced AAM/M2 polarization of activated macrophages, expression of phospho-p65 (S276) in colonic macrophages, and alleviation of DSS-induced colitis in mice, suggesting that SIGNR1 is critical for macrophage responses to KMOS., Conclusions: This study reveals a SIGNR1-mediated macrophage-dependent pathway that supports regulatory function of KMOS in host immunity and intestinal homeostasis., (© 2021 Wiley-VCH GmbH.)- Published
- 2021
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133. Supramolecular Toxin Complexes for Targeted Pharmacological Modulation of Polymorphonuclear Leukocyte Functions.
- Author
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Heck AJ, Ostertag T, Schnell L, Fischer S, Agrawalla BK, Winterwerber P, Wirsching E, Fauler M, Frick M, Kuan SL, Weil T, and Barth H
- Subjects
- ADP Ribose Transferases metabolism, Avidin metabolism, Biotinylation, Botulinum Toxins metabolism, Cell Line, Cytosol metabolism, Endocytosis drug effects, Humans, Neutrophils drug effects, Peptides chemical synthesis, Peptides chemistry, Neutrophils metabolism, Toxins, Biological pharmacology
- Abstract
The targeted pharmacological modulation of polymorphonuclear leukocytes (PMNs) is of major medical interest. These innate immune cells play a central role in the defense against pathogenic microorganisms. However, their excessive chemotactic recruitment into tissues after traumatic injury is detrimental due to local and systemic inflammation. Rho-GTPases, being the master regulators of the actin cytoskeleton, regulate migration and chemotaxis of PMNs, are attractive pharmacological targets. Herein, supramolecular protein complexes are assembled in a "mix-and-match" approach containing the specific Rho-inhibiting clostridial C3 enzyme and three PMN-binding peptides using an avidin platform. Selective delivery of the C3 Rho-inhibitor with these complexes into the cytosol of human neutrophil-like NB-4 cells and primary human PMNs ex vivo is demonstrated, where they catalyze the adenosine diphosphate (ADP) ribosylation of Rho and induce a characteristic change in cell morphology. Notably, the complexes do not deliver C3 enzyme into human lung epithelial cells, A549 lung cancer cells, and immortalized human alveolar epithelial cells (hAELVi), demonstrating their cell type-selectivity. The supramolecular complexes represent attractive molecular tools to decipher the role of PMNs in infection and inflammation or for the development of novel therapeutic approaches for diseases that are associated with hyperactivity and reactivity of PMNs such as post-traumatic injury., (© 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.)
- Published
- 2019
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134. Management of Children Admitted to Hospitals across Bangladesh with Suspected or Confirmed COVID-19 and the Implications for the Future: A Nationwide Cross-Sectional Study.
- Author
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Chowdhury, Kona, Haque, Mainul, Nusrat, Nadia, Adnan, Nihad, Islam, Salequl, Lutfor, Afzalunnessa Binte, Begum, Dilara, Rabbany, Arif, Karim, Enamul, Malek, Abdul, Jahan, Nasim, Akter, Jesmine, Ashraf, Sumala, Hasan, Mohammad Nazmul, Hassan, Mahmuda, Akhter, Najnin, Mazumder, Monika, Sihan, Nazmus, Naher, Nurun, and Akter, Shaheen
- Subjects
CHILDREN'S hospitals ,COVID-19 ,CROSS-sectional method ,OVERUSE injuries ,ANTIMALARIALS ,STUNTED growth - Abstract
There is an increasing focus on researching children admitted to hospital with new variants of COVID-19, combined with concerns with hyperinflammatory syndromes and the overuse of antimicrobials. Paediatric guidelines have been produced in Bangladesh to improve their care. Consequently, the objective is to document the management of children with COVID-19 among 24 hospitals in Bangladesh. Key outcome measures included the percentage prescribed different antimicrobials, adherence to paediatric guidelines and mortality rates using purposely developed report forms. The majority of 146 admitted children were aged 5 years or under (62.3%) and were boys (58.9%). Reasons for admission included fever, respiratory distress and coughing; 86.3% were prescribed antibiotics, typically parenterally, on the WHO 'Watch' list, and empirically (98.4%). There were no differences in antibiotic use whether hospitals followed paediatric guidance or not. There was no prescribing of antimalarials and limited prescribing of antivirals (5.5% of children) and antiparasitic medicines (0.7%). The majority of children (92.5%) made a full recovery. It was encouraging to see the low hospitalisation rates and limited use of antimalarials, antivirals and antiparasitic medicines. However, the high empiric use of antibiotics, alongside limited switching to oral formulations, is a concern that can be addressed by instigating the appropriate programmes. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
135. Increased Involvement of Klebsiella p neumoniae and Enterococcus f aecium in Healthcare-Associated Infections of Intensive Care Units in Taiwan.
- Author
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Lin, Yu-Ren, Lin, Yen-Yue, Yu, Chia-Peng, Yang, Ya-Sung, Cheng, Chun-Gu, and Cheng, Chun-An
- Subjects
INTENSIVE care units ,ENTEROCOCCUS ,KLEBSIELLA pneumoniae ,MEDICAL personnel ,NOSOCOMIAL infections ,ENTEROCOCCUS faecium ,KLEBSIELLA ,MIDDLE East respiratory syndrome - Abstract
Background: Healthcare-associated infections (HAIs) cause increases in length of stay, mortality, and healthcare costs. A previous study conducted in Taiwan obtained similar results to those reported in Korea and Japan in 2015. Changes in microorganisms have been noted in recent years. Understanding the recent condition of HAIs in intensive care units (ICUs) can enable healthcare providers to develop effective infection control protocols to reduce HAIs. Methods: We used the Taiwan Nosocomial Infection Surveillance System to evaluate the incidence densities of HAIs, the proportions of causative pathogens, and the proportions of antimicrobial resistance (AMR). The Poisson regression model was constructed to incidence density, and the chi-square test was used to assess proportion. Results: The incidence density of HAIs decreased 5.7 to 5.4 per 1000 person-days. However, the proportions of Klebsiella pneumoniae and Enterococcus faecium significantly increased. In addition, the proportions of carbapenem-resistant K. pneumoniae and vancomycin-resistant Enterococcus faecium significantly increased over time. Conclusion: Analysis of the microorganisms involved in HAIs in ICUs showed elevated proportions of K. pneumoniae and E. faecium with AMR. Infection control protocols have been implemented for several years and require improvements regarding environmental cleanliness and medical staff prevention. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
136. The Rise of SARS-CoV-2 Variants and the Role of Convalescent Plasma Therapy for Management of Infections.
- Author
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Moubarak, Mohamed, Kasozi, Keneth Iceland, Hetta, Helal F., Shaheen, Hazem M., Rauf, Abdur, Al-kuraishy, Hayder M., Qusti, Safaa, Alshammari, Eida M., Ayikobua, Emmanuel Tiyo, Ssempijja, Fred, Afodun, Adam Moyosore, Kenganzi, Ritah, Usman, Ibe Michael, Ochieng, Juma John, Osuwat, Lawrence Obado, Matama, Kevin, Al-Gareeb, Ali I., Kairania, Emmanuel, Musenero, Monica, and Welburn, Susan Christina
- Subjects
CONVALESCENT plasma ,SARS-CoV-2 ,COVID-19 pandemic ,COVID-19 treatment ,COVID-19 ,INFECTIOUS disease transmission ,INFLUENZA - Abstract
Novel therapies for the treatment of COVID-19 are continuing to emerge as the SARS-Cov-2 pandemic progresses. PCR remains the standard benchmark for initial diagnosis of COVID-19 infection, while advances in immunological profiling are guiding clinical treatment. The SARS-Cov-2 virus has undergone multiple mutations since its emergence in 2019, resulting in changes in virulence that have impacted on disease severity globally. The emergence of more virulent variants of SARS-Cov-2 remains challenging for effective disease control during this pandemic. Major variants identified to date include B.1.1.7, B.1.351; P.1; B.1.617.2; B.1.427; P.2; P.3; B.1.525; and C.37. Globally, large unvaccinated populations increase the risk of more and more variants arising. With successive waves of COVID-19 emerging, strategies that mitigate against community transmission need to be implemented, including increased vaccination coverage. For treatment, convalescent plasma therapy, successfully deployed during recent Ebola outbreaks and for H1N1 influenza, can increase survival rates and improve host responses to viral challenge. Convalescent plasma is rich with cytokines (IL-1β, IL-2, IL-6, IL-17, and IL-8), CCL2, and TNFα, neutralizing antibodies, and clotting factors essential for the management of SARS-CoV-2 infection. Clinical trials can inform and guide treatment policy, leading to mainstream adoption of convalescent therapy. This review examines the limited number of clinical trials published, to date that have deployed this therapy and explores clinical trials in progress for the treatment of COVID-19. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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137. A Comparison of Microfluidic-Jet Spray Drying, Two-Fluid Nozzle Spray Drying, and Freeze-Drying for Co-Encapsulating β -Carotene, Lutein, Zeaxanthin, and Fish Oil.
- Author
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Zhu, Yongchao, Peng, Yaoyao, Wen, Jingyuan, and Quek, Siew Young
- Subjects
CAROTENOIDS ,SPRAY drying ,FISH oils ,SPRAY nozzles ,ZEAXANTHIN ,LUTEIN ,FREEZE-drying - Abstract
Various microencapsulation techniques can result in significant differences in the properties of dried microcapsules. Microencapsulation is an effective approach to improve fish oil properties, including oxidisability and unpleasant flavour. In this study, β-carotene, lutein, zeaxanthin, and fish oil were co-encapsulated by microfluidic-jet spray drying (MFJSD), two-fluid nozzle spray drying (SD), and freeze-drying (FD), respectively. The aim of the current study is to understand the effect of different drying techniques on microcapsule properties. Whey protein isolate (WPI) and octenylsuccinic anhydride (OSA) modified starch were used as wall matrices in this study for encapsulating carotenoids and fish oil due to their strong emulsifying properties. Results showed the MFJSD microcapsules presented uniform particle size and regular morphological characteristics, while the SD and FD microcapsules presented a large distribution of particle size and irregular morphological characteristics. Compared to the SD and FD microcapsules, the MFJSD microcapsules possessed higher microencapsulation efficiency (94.0–95.1%), higher tapped density (0.373–0.652 g/cm
3 ), and higher flowability (the Carr index of 16.0–30.0%). After a 4-week storage, the SD microcapsules showed the lower retention of carotenoids, as well as ω-3 LC-PUFAs than the FD and MFJSD microcapsules. After in vitro digestion trial, the differences in the digestion behaviours of the microcapsules mainly resulted from the different wall materials, but independent of drying methods. This study has provided an alternative way of delivering visual-beneficial compounds via a novel drying method, which is fundamentally essential in both areas of microencapsulation application and functional food development. [ABSTRACT FROM AUTHOR]- Published
- 2021
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138. The Potential of Sweetpotato as a Functional Food in Sub-Saharan Africa and Its Implications for Health: A Review.
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Amagloh, Flora C., Yada, Benard, Tumuhimbise, Gaston A., Amagloh, Francis K., Kaaya, Archileo N., and Battino, Maurizio
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FUNCTIONAL foods ,SWEET potatoes ,CONVENIENCE foods ,DEFICIENCY diseases ,VITAMIN deficiency ,BIOACTIVE compounds - Abstract
Increasing urbanization in developing countries has resulted in busier lifestyles, accompanied by consumption of fast foods. The consequence is an increased prevalence in noncommunicable diseases (NCDs). Food-based approaches would be cheaper and more sustainable in reducing these NCDs compared to drugs, which may have side effects. Studies have suggested that consuming functional foods could potentially lower NCD risks. Sweetpotato is regarded as a functional food because it contains bioactive compounds. Recently, sweetpotato has gained attention in sub-Saharan Africa (SSA), but research has focused on its use in alleviating micronutrient deficiencies such as vitamin A deficiency, particularly the orange-fleshed variety of sweetpotato. Some studies conducted in other parts of the world have investigated sweetpotato as a functional food. There is a need to characterize the sweetpotato varieties in SSA and determine how processing affects their bioactive components. This review highlights some of the studies conducted in various parts of the world on the functionality of sweetpotato, its bioactive compounds, and how these are influenced by processing. In addition, the potential health benefits imparted by sweetpotato are expounded. The knowledge gaps that remain in these studies are also addressed, focusing on how they can direct sweetpotato research in SSA. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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139. The Effect of Two Bed Bath Practices in Cost and Vital Signs of Critically Ill Patients.
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Tai, Chia-Hui, Hsieh, Tsung-Cheng, and Lee, Ru-Ping
- Published
- 2021
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140. Preparation of WC Reinforced Co-Based Alloy Gradient Coatings on a H13 Mold Steel Substrate by Laser Cladding.
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Li, Chenchen, Yang, Xuefeng, Wang, Shouren, Wang, Yanjun, and Cao, Jinlong
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SURFACE coatings ,DENTAL metallurgy ,BRITTLE fractures ,SCANNING electron microscopes ,FRETTING corrosion ,DUCTILE fractures - Abstract
H13 die steel often fails as a result of physical and chemical effects such as wear, erosion and cyclic stress. Accordingly, the study evaluates Co-based gradient coating on an H13 steel featuring a stress-relieving effect. Scanning electron microscope and X-ray diffraction were used to analyze the microstructure and phase of the coatings. A microhardness tester and friction and wear tester were used to compare the hardness and wear resistance of the coatings and the substrate, and the wear morphology was observed. A pendulum impact test was used to compare the impact resistance of the coatings and the substrate, and the fracture morphology was observed. Finally, a corrosion test was used to compare the corrosion resistance of coatings and substrate. The results show that the Co-based gradient coatings have good combinations with the substrate, the hard phase content gradually increases from the bottom to the top of the coating, and the crystal microstructure generally maintains a distribution trend from coarse to fine. The hardness of the gradient coatings is significantly higher than the substrate, and from the coating surface to the substrate, the hardness decreases slowly. The wear loss of the coatings is much lower than that of the substrate, the main wear mechanism of the substrate is abrasive wear, and the main wear mechanism of the coatings is brittle spalling. While the gradient coatings increase the surface hardness, the brittleness also increases, the impact resistance of the coatings is lower than that of the substrate, the fracture form of the substrate is a ductile fracture, and the fracture form of the coating is a brittle fracture. The gradient coatings effectively improve the corrosion resistance of the substrate surface, and the higher the content of the reinforcing phase, the better the corrosion resistance of the coatings. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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141. Tripylina
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Prado-Vera, Ignacio Cid Del, Ferris, Howard, and Nadler, Steven A.
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Tripylidae ,stomatognathic diseases ,stomatognathic system ,Nematoda ,Animalia ,Adenophorea ,Biodiversity ,Enoplida ,Tripylina ,Taxonomy - Abstract
Key to the species of Tripylina 1. V> 75 %; post-uterine sac present or absent................................................................. 2 V Tp. iandrassyi n. sp. Body length> 1.5 mm; outer labial setae> 12 ��m long; pharynx length 216���320 ��m................................. 4 4. Body length 1.5 ���2.0 mm; outer labial setae Tp. bravoe Cid del Prado-Vera, Ferris, Nadler & Lamothe-Argumedo, 2012 Body length 1.5���1.7 mm; outer labial setae Tp. longa Brzeski & Winiszewska-Ślipińska, 1993 5. Body length 1.5���1.9 mm; V = 78���81 %; three single and two pairs of cervical setae.................................................................................. Tp. gorganensis Asghari, Pourjam, Heydari, Zhao & Ramaji, 2012 Body length 0.8 to 1.6 mm, V = 62���68 % cervical setae present or absent......................................... 6 6. Body pores present.................................................................................... 7 Body pores absent.................................................................................... 12 7. Body length 0.8 to 1.2 mm.............................................................................. 8 Body length 1.3 to 1.6 mm............................................................................. 11 8. Body length 0.8���0.9 mm; cervical setae absent........................... Tp. macroseta Vinciguerra & La Fauci, 1978 Body length 0.9���1.2 mm; cervical setae present.............................................................. 9 9. One cervical seta present; tail length 71���105 ��m......................................... Tp. manurewa Zhao, 2009 One ventro-median and two pairs of lateral cervical setae..................................................... 10 10. Tail length 62���77 ��m; index a = 25���30; index c = 12.4���17.7................................. Tp. tearoha Zhao, 2009 Tail length 74���82 ��m; index a = 20���23; index c = 14.5���15.6.................................. Tp. tamaki Zhao, 2009 11. Cervical setae absent, subventral teeth anterior to dorsal tooth; index c = 18���26................... Tp. yeatesi Zhao, 2009 Cervical setae present, subventral teeth posterior to dorsal tooth; index c = 14���19............................................................................................... Tp. zhejiagensis Pham, Wang, Zhao & Zheng, 2013 12. Male absent; subventral teeth anterior or posterior to dorsal tooth; one or two cervical setae.......................... 13 Male present; subventral teeth posterior to dorsal tooth; one ventromedian cervical seta................................................................................................ Tp. aren��cola ( de Man, 1880) Brzeski, 1963 13. Vaginal sclerotized pieces present; excretory pore present..................................................... 14 Vaginal sclerotized pieces absent; excretory pore present or absent.............................................. 16 14. Subventral teeth anterior to dorsal tooth; dorsal wall of stomal chamber distinctly thickened........ Tp. sheri Brzeski, 1963 Subventral teeth posterior or anterior to dorsal tooth; dorsal wall of stomatal chamber not thickened or only slightly thickened.................................................................................................. 15 15. Two ventromedian cervical setae; subventral teeth posterior to dorsal tooth; wall of stomatal chamber not thickened........................................................................................ Tp. rorkabanarum n. sp. One ventromedian cervical seta; subventral teeth anterior to dorsal tooth; wall of stomatal chamber slightly thickened....................................................................................... Tp. kaikoura Zhao, 2009 16. Excretory pore present; subventral teeth anterior or posterior to dorsal tooth...................................... 17 Excretory pore absent; subventral teeth anterior to dorsal tooth................................................. 18 17. Body length 0.8���1.2 mm long; caudal setae absent; index c = 9.8���16; two unpaired cervical setae; subventral teeth anterior to dorsal tooth........................ Tp.montecilloensis Cid del Prado-Vera, Ferris, Nadler & Lamothe-Argumedo, 2012 Body length 1.3���1.6 mm; one pair of latero-dorsal caudal setae; index c = 15���23; two unpaired cervical setae, subventral teeth posterior to dorsal tooth................. Tp. ixayocensis Cid del Prado-Vera, Ferris, Nadler & Lamothe-Argumedo, 2012 18. Body length 0.7���0.99 mm; index a = 18���39; subventral teeth anterior to dorsal tooth............................... 19 Body length 0.8���1.3 mm; index a = 22���36; subventral teeth anterior or posterior to dorsal tooth...................... 20 19. Body length 0.7���0.9. mm; two cervical setae; V = 63���73 %; index a = 18���26.......................................................................... Tp. tlamincaensis Cid del Prado-Vera, Ferris, Nadler & Lamothe-Argumedo, 2012 Body length 0.9 ���1.0 mm; cervical setae absent; V = 66���68 %; index a = 31���39....... Tp. valiathani Thaseen & Nusrat, 2010 20. Body length 0.8���1.2 mm; subventral teeth anterior to dorsal tooth; one cervical seta; index a = 22���26... Tp. ursulae (Argo & Heyns, 1973) Tsalolikhin, 1983 Body length> 1.0 mm; a cervical seta present or absent; index a ��� 26........................................... 21 21. Body length 1.0��� 1.1 mm; cervical setae absent; index a= 26���29; subventral teeth posterior to dorsal tooth....................................................................................... Tp. ymyensis Tahseen & Nusrat, 2010 Body length 1.0��� 1.3 mm; one or two cervical setae.......................................................... 22 22. Body length 1.0��� 1.2 mm; subventral teeth anterior to and smaller than dorsal tooth; two cervical setae; index a = 30���36.................................................................... Tp. stramenti (Yeates, 1972) Tsalolikhin, 1983. Body length 1.0��� 1.3 mm; subventral teeth posterior to and similar in size to dorsal tooth; one cervical seta; index a = 26���34................................................................ Tp. puxianensis Xu, Zhao, Wang & Zheng, 2013, Published as part of Prado-Vera, Ignacio Cid Del, Ferris, Howard & Nadler, Steven A., 2016, Five new species of the family Trischistomatidae (Nematoda: Enoplida) from North and Central America, with keys to the species of Trischistoma and Tripylina, pp. 173-197 in Zootaxa 4109 (2) on pages 191-192, DOI: 10.11646/zootaxa.4109.2.4, http://zenodo.org/record/257750, {"references":["Brzeski, M. W. & Winiszewska-Slipinska, G. (1993) Taxonomy of Tripylidae (Nematoda: Enoplia). Nematologica, 39, 12 - 52. http: // dx. doi. org / 10.1163 / 187529293 x 00024","Asghari R., Pourjam, E., Heydari, R., Zhao, Z. Q. & Ramaji, F. A. (2012) Tripylina gorganensis n. sp. (Triplonchida: Tripylidae) from northern Iran. Nematology, 14, 613 - 621. http: // dx. doi. org / 10.1163 / 156854112 x 624609","Vinciguerra, M. T. & La Fauci, G. (1978) Nematodi muscicoli dell'isola di Lampedusa. Animalia, 5, 13 - 37.","Pham, T. H., Wang, H. T., Zhao, Z. Q. & Zheng, J. W. (2013) A new species of the genus Tripylina Brzeski, 1963 (Nematoda: Enoplida: Trischistomatidae) from Zhejiang Province, eastern China. Zootaxa, 3717 (2), 158 - 168. http: // dx. doi. org / 10.11646 / zootaxa. 3717.2.2","De Man, J. G. (1880) Die einheimischen, frei in der reinen Erde und im sssen Wasser lebenden Nematoden. Tijdschrift der Nederlandische Dierkundige Vereeniging, 5, 1 - 104.","Brzeski, M. W. (1963) Nematode genera of the family Tripylidae (Nematoda, Enoplida). Acta Zoological Cracoviensia, 8, 295 - 308.","Tahseen, Q. & Nusrat, T. (2010) Some new and known species of the genera Tripylina Brzeski and Trischistoma Cobb 1913 (Nematoda) with a discussion on their relationships. Journal of Nematology, 42,128 - 138.","Argo, A. D. & Heyns, J. (1973) New and little known species of the nematode families Monhysteridae and Tripylidae from South Africa. Phytophylactica, 5, 149 - 154.","Tsalolikhin, S. Y. (1983) Nematodes of the Families Tobrilidae and Tripylidae of the World Fauna. No. 138. Nauka, Leningrad, Russia, 232 pp.","Xu, Y. M., Zhao, Z. Q., Wang, J. M. & Zheng, J. W. (2013) A new species of the genus Tripylina Brzeski, 1963 (Nematoda: Enoplida: Trischistomatidae) from Shanxi province, China. Zootaxa, 3630 (3), 561 - 570. http: // dx. doi. org / 10.11646 / zootaxa. 3630.3.10"]}
- Published
- 2016
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142. Effect of Thermal Processing on Carotenoids and Folate Changes in Six Varieties of Sweet Potato (Ipomoes Batata L.).
- Author
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Pan, Zhijun, Sun, Yiming, Zhang, Fangyuan, Guo, Xinbo, and Liao, Zhihua
- Subjects
SWEET potatoes ,FOLIC acid ,POTATOES ,CAROTENOIDS ,HIGH performance liquid chromatography ,MICROBIOLOGICAL assay - Abstract
Carotenoids and folate are two mandatory supplying micronutrients for children or pregnant women. Inadequate intake of these two nutrients was relevant to a higher mortality of both children and pregnancies. This study is intended to investigate the thermal impact on the changes of carotenoids and folate in sweet potato roots (SPRs). Carotenoids were identified by high performance liquid chromatography (HPLC) while the folate was estimated using a microbial assay. An obvious decline was observed in total carotenoids after heating. Nevertheless, the content of provitamin compound β-carotene exhibited incredible stability during steaming and α-carotene multiplied in certain varieties, evidencing that SPRs could be an efficient way for addressing Vitamin A deficiency (VAD). As for the total folate contents, two varieties were found no significant loss after thermal process while the others showed a significant decrease. The results indicated that steaming process led to generally loss of both carotenoids and folate while the α-carotene and β-carotene were well preserved. The information provided by this study might help with enhancing the food quality in processing industry and the understanding in the nutrition changes during steaming. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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- View/download PDF
143. Durable anticancer immunity from intratumoral administration of IL-23, IL-36γ, and OX40L mRNAs.
- Author
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Hewitt, Susannah L., Bai, Ailin, Bailey, Dyane, Ichikawa, Kana, Zielinski, John, Karp, Russell, Apte, Ameya, Arnold, Kristen, Zacharek, Sima J., Iliou, Maria S., Bhatt, Khushbu, Garnaas, Maija, Musenge, Faith, Davis, Ashley, Khatwani, Nikhil, Su, Stephen V., MacLean, Graham, Farlow, Samuel J., Burke, Kristine, and Frederick, Joshua P.
- Subjects
ANTINEOPLASTIC agents ,IMMUNOTHERAPY ,CYTOKINES ,IMMUNOSUPPRESSIVE agents ,IMMUNOPHARMACOLOGY - Abstract
Local mRNA therapy encoding inflammatory cytokines and T cell costimulator OX40L mediates persistent anticancer immunity across tumor models. Sending tumors a message: T cells need to overcome an immunosuppressive environment for successful cancer immunotherapy. Hewitt et al. leveraged a platform for mRNA delivery to devise a combination of factors that would ramp up antitumor immunity. They found that intratumoral injection of mRNAs encoding OX40L, IL-36γ, and IL-23 led to tumor regression in several cancer models. The triplet therapy also rendered normally resistant tumors susceptible to checkpoint blockade. The specific immune components responsible for protection were also dissected, and they showed that this local therapy led to systemic immunity. This mRNA treatment could one day be translated for patient benefit. Many solid cancers contain dysfunctional immune microenvironments. Immune system modulators that initiate responses to foreign pathogens could be promising candidates for reigniting productive responses toward tumors. Interleukin-1 (IL-1) and IL-12 cytokine family members cooperate at barrier tissues after microbial invasion, in human inflammatory diseases, and in antitumoral immunity. IL-36γ, in classic alarmin fashion, acts in damaged tissues, whereas IL-23 centrally coordinates immune responses to danger signals. In this study, direct intratumoral delivery of messenger RNAs (mRNAs) encoding these cytokines produced robust anticancer responses in a broad range of tumor microenvironments. The addition of mRNA encoding the T cell costimulator OX40L increased complete response rates in treated and untreated distal tumors compared to the cytokine mRNAs alone. Mice exhibiting complete responses were subsequently protected from tumor rechallenge. Treatments with these mRNA mixtures induced downstream cytokine and chemokine expression, and also activated multiple dendritic cell (DC) and T cell types. Consistent with this, efficacy was dependent on Batf3-dependent cross-presenting DCs and cytotoxic CD8
+ T cells. IL-23/IL-36γ/OX40L triplet mRNA mixture triggered substantial immune cell recruitment into tumors, enabling effective tumor destruction irrespective of previous tumoral immune infiltrates. Last, combining triplet mRNA with checkpoint blockade led to efficacy in models otherwise resistant to systemic immune checkpoint inhibition. Human cell studies showed similar cytokine responses to the individual components of this mRNA mixture, suggesting translatability of immunomodulatory activity to human patients. [ABSTRACT FROM AUTHOR]- Published
- 2019
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144. Trischistoma pellucidum Cobb 1913
- Author
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Xu, Yu Mei, Zhao, Zeng Qi, and Wang, Jian Ming
- Subjects
Tripylidae ,Trischistoma pellucidum ,Nematoda ,Animalia ,Adenophorea ,Biodiversity ,Trischistoma ,Enoplida ,Taxonomy - Abstract
Re-description of Trischistoma pellucidum Cobb, 1913. (Figs 6 A���E & 7 A���G) Measurements. Table 3. Description. Female (n= 17). Body dorsally bent when fixed, posterior region more curved than anterior (Fig. 6 A). Cuticle smooth, cuticular thickness 1���1.5 ��m. Head rounded, continuous with body contour, 8���12 ��m diameter, head height 1���3 ��m. Inner labial papilla distinct (Fig. 7 A). Six long labial and four short cephalic setae in two separate whorls (Figs 6 B & 6 C); six longer labial setae 5���8 ��m long or 46���79 % of head diameter, four shorter cephalic setae 2.5���5 ��m or 25���50 % of head diameter, thinner than the longer labial setae. Distance between labial setae and cephalic setae 5���8 ��m. One conspicuous dorsal tooth, 1.2���1.6 times head diameter from anterior end, subventral denticles indiscernible (Figs 6 B, 7 B). Amphid small, calyciform, 1.0��� 2.5 times lip diameter from anterior end, amphidial apertures 2���3 ��m wide (Figs 6 B, 7 C). Excretory pore not seen. Nerve ring 68���76 ��m or 40���44 % of pharyngeal length from anterior end of body (Fig. 7 C). Pharynx 147���177 ��m long, occupying 20���25 % of the body length. Cardia between pharynx and intestine inconspicuous (Figs 6 C, 7 E). Gonad prodelphic, 90���160 ��m long, or 13���22 % of body length, reflexed but tip not reaching vulva (Fig. 7 D). Vulva a small transverse slit, flush with body contour, no sclerotized structures, vagina short, 2���6 ��m long, 10���29 % of body diameter (Figs 6 D & 7 D). No post-vulval uterine sac. Vulva to anus distance 71���180 ��m long, or 1.8���3.9 times tail length. Tail length 37���59 ��m, occupying 5.0���8.0% of total body length, bent dorsally (Figs 6 E, 7 F). Three tandem caudal glands and a small terminal spinneret are present on the tail (Figs 7 F, 7 G). Male. Not found. When SSU sequences of the Chinese isolate of T. pellucidum are compared with the molecular data for the most closely related species (T. otaika from New Zealand), there are 1 % (15 in 1585 bps including 1 gap) differences between the two species. When LSU sequences are compared with the most closely related species (T. triregius from New Zealand), there are 6 % (44 in 753 bps including 2 gaps) differences between the two species. Unfortunately, there is no molecular data of T. pellucidum available from earlier collections. Habitat and locality. Trischistoma pellucidum Lv 09 samples (including 7 females and 5 juveniles) collected from soil and litter mixture, 0���10 cm depth under a cypress tree, Pangquangou National Reserve, Lvliang city, Shanxi province (111 �� 27 ' 55 " E, 37 �� 51 ' 12 " N) in July 2013, by Li Fang Yin; JC05 samples (including 19 females and 2 juveniles) were from soil and litter mixture, 0���10cm depth under a pine tree, Yangcheng county, Jincheng city, Shanxi province (112 �� 20 ' 57 " E, 35 �� 20 ' 12 " N) in August 2013 by Yun Long Jiu. Remarks. Trischistoma pellucidum has been reported from Mexico, Jamaica, Paraguay, India and Spain (morphometrics listed in Table 3) (Andr��ssy 1985; Tahseen & Nusrat 2010; Lluch 1996). The nematode collected from China agrees well in all aspects with T. pellucidum Cobb, 1913. However, some minor differences were observed with the description of Andr��ssy, 1968. The Chinese nematode tends to have a greater V value (70���83 % vs 73���74 %) and shorter tail length (37���60 vs 50���60 ��m). FIGURE. 6. Trischistoma pellucidum female. A: Entire body. B, C: Anterior body region, lateral view, showing outer labial setae, cephalic setae, dorsal tooth and amphid. D: Genital region. E: Tail. Scale bars: A= 50 ��m, B, C, D, E= 20 ��m. FIGURE. 7. Trischistoma pellucidum photomicrographs. A: Anterior region, inner papillae shown. B: Pharyngeal region, lateral view; dorsal tooth arrowed. C: Pharyngeal region, lateral view; amphid aperture and nerve ring arrowed. D. Genital region; vulva arrowed. E: Pharynx and intestine junction (arrowed). F: Tail region, caudal glands arrowed. G: Spinneret., Published as part of Xu, Yu Mei, Zhao, Zeng Qi & Wang, Jian Ming, 2015, A new species and a new record of Trischistoma Cobb, 1913 (Nematoda: Enoplida: Trischistomatidae) from Shanxi Province, China, pp. 564-576 in Zootaxa 3937 (3) on pages 571-574, DOI: 10.11646/zootaxa.3937.3.8, http://zenodo.org/record/232147, {"references":["Cobb, N. A. (1913) New nematode genera found inhabiting fresh water and non-brackish soils. Journal of the Washington Academy of Science, 3, 432 - 444.","Andrassy, I. (1985) A dozen new nematode species from Hungary. Opuscula Zoologica, Budapest, 19, 3 - 39.","Tahseen, Q. & Nusrat, T. (2010) Some new and known species of genera Tripylina Brzeski and Trischistoma Cobb, 1913 (Nematoda) with a discussion on their relationships. Journal of Nematology, 42, 128 - 138.","Lluch, J. (1996). Nematodos edaficos del suborden Tripylina Andrassy, 1974 hallados en el Parque Natural del Montgo (Alicante, Espana). Miscel lania Zoologica, 19, 93 - 103."]}
- Published
- 2015
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145. Phytochemical Screening, Nutritional Properties and Biological Activities of Sweet and Conventional Potato Planted in Morocco
- Author
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Sbai, Hajar, Zinedine, Abdellah, Rocha, João Miguel, Chabir, Rachida, Errachidi, Faouzi, and Raoui, Sidi Mohammed
- Published
- 2024
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146. Impact of CdTe BSF layer on enhancing the efficiency of MoSe2 solar cell
- Author
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Rahman, Naimur, Bakkar, Abu, Haque, Md. Dulal, Al Ahmed, Sheikh Rashel, Rahman, Md. Hafijur, Irfan, Ahmad, Chaudhry, Aijaz Rasool, and Rahman, Md. Ferdous
- Published
- 2024
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- View/download PDF
147. Biodiversity Hotspot of the Western Ghats and Sri Lanka
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T. Pullaiah and T. Pullaiah
- Subjects
- Biodiversity--India--Western Ghats, Biodiversity--Sri Lanka, Biodiversity conservation--India--Western Ghat, Biodiversity conservation--Sri Lanka
- Abstract
Biodiversity is declining at an alarming rate due to anthropogenic activities around the world. This book is the first volume in the new series Biodiversity Hotspots of the World, which highlights the 36 hotspot regions of the world, regions that were designated as reaping maximum benefit from preservation efforts. This series is our humble attempt to document these hotspots as a conservation and preservation measure.This first volume in the series focuses on the Western Ghats and Sri Lanka, construed as forming a community of species because of their shared biogeographical history. The volume explores the diversity and conservation efforts of the extraordinarily rich species found here, including plants, many of which are found nowhere else in the world; forests, which face tremendous population pressure and have been dramatically impacted by demands for timber and agricultural land; as well as the hotspot's diverse mammals, birds, insects, and amphibian species, and more. The volumes in this series will be essential resources for researchers and practitioners in the fields of conservation biology, ecology, and evolution.
- Published
- 2024
148. Sustainable Feed Ingredients and Additives for Aquaculture Farming : Perspectives From Africa and Asia
- Author
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Ndakalimwe Naftal Gabriel, Kenneth Prudence Abasubong, Victoria Ndinelago Erasmus, Manoj Tukaram Kamble, Ndakalimwe Naftal Gabriel, Kenneth Prudence Abasubong, Victoria Ndinelago Erasmus, and Manoj Tukaram Kamble
- Subjects
- Subsistence farming, Food—Analysis
- Abstract
This book describes sustainable aquaculture ingredients and additives uncovered in Africa and Asia. It also discusses current aquaculture research practices on alternative protein, carbohydrate, lipid, mineral, vitamin, and feed additives. It further demonstrates how aquaculture practices could be a feasible and cost-effective venture, capable of producing products in an environmentally sustainable manner. The aquaculture industry is suffering from scarcity of sustainable feedstuffs, particularly protein and oil components, which play an important role in the nutritional requirements of many aquaculture species. The availability of components such as fish meal, fish oil, and other synthetic feed additives has rendered aquaculture operations unsustainable, particularly in terms of cost. Therefore, the quest to replace such unsustainable components is developing in Africa and Asia. This book helps aquaculture farmers, researchers, the aquafeed industry, investors, students, lawmakers, and other stakeholders in the aquaculture field to comprehend scientific-based sustainable feed ingredients and additives in aquaculture from an African and Asian viewpoint.
- Published
- 2024
149. English-Medium Instruction Pedagogies in Multilingual Universities in Asia
- Author
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Fan Fang, Pramod K. Sah, Fan Fang, and Pramod K. Sah
- Subjects
- LB2331.25
- Abstract
This collection brings together perspectives from emerging and established scholars, working from empirical data from real-life classroom experiences, to investigate pedagogical issues in the application of EMI across a range of educational contexts in Asia.Drawing on research across different levels of education covering institutions across various contexts across Asia, the book engages in key questions around power, marginalization, attitudes, intercultural communication, and identity construction as they unfold in classrooms in which a plurality of languages and varieties of English collide and are mediated, appropriated, and accommodated. The volume explores the pedagogical challenges, policies, and practices of EMI which emerge in these settings, highlighting real-life problems in EMI program development and the wider pedagogical implications for EMI implementation in varied educational environments. Taken together, the chapters offer opportunities for further research toward challenging traditionally held beliefs and blind implementation of EMI and encouraging critical perspectives from both researchers and policymakers alike.Pedagogies of English-Medium Instruction Programs in Asian Universities will be of interest to scholars and practitioners in English-medium instruction, English language teaching, TESOL, and applied linguistics.
- Published
- 2023
150. Medical-Surgical Nursing Certification Express Review
- Author
-
Springer Publishing Company and Springer Publishing Company
- Subjects
- Nursing--Examinations--Study guides
- Abstract
Improve retention with this high-speed review for test-day success! Designed as a last-minute gut check for your certification exam, this guide is written by medical-surgical nurses who have your back, providing you with quick, digestible nuggets of the most pertinent topics on the MSNCB and ANCC exams. Use this small but mighty book during the last month of your preparation to strengthen your knowledge and get ready to tackle the exam with confidence! Organized by body system and following the most recent exam blueprints, this guide covers all the medical-surgical topics and professional issues you'll need to know for both exams and in the med-surg unit. Each system-based chapter includes signs and symptoms, labs and other diagnostic testing, treatment, nursing interventions, patient education, and more. Key Features: Offers a succinct high-yield rapid review of the key 145+ disorders on the exam Includes useful pharmacology tables for each system-based chapter plus an appendix containing commonly prescribed medications across body systems Provides important alerts, complications, nursing pearls, and pop quiz questions to highlight extra-important information Boosts your confidence with a 100% pass guarantee The Medical-Surgical Nursing Certification Board (MSNCB) and American Nurses Credentialing Center (ANCC) are the sole owners of their respective certification programs. MSNCB and ANCC do not endorse this exam preparation resource, nor do they have a proprietary relationship with Springer Publishing Company.
- Published
- 2023
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