533 results on '"A M, FARIS"'
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2. Natural Increases in Parasitoid and Predator Abundances and a Shift in Species Dominance Point to Improved Suppression of the Sorghum Aphid Since Its Invasion into North America
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Pius A. Bradicich, Ashleigh M. Faris, John W. Gordy, and Michael J. Brewer
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Aphididae ,Aphelinidae ,Coccinellidae ,Melanaphis sorghi ,natural enemies ,parasitoids ,Science - Abstract
Melanaphis sorghi (Theobald) (Hemiptera: Aphididae), commonly called the sorghum aphid, is an invasive pest of sorghum (Sorghum bicolor) (L.) in North America. It was first observed in 2013 along the Gulf Coastal Plains ecoregion of Texas, Louisiana (USA), and Mexico, where it quickly established itself as an economically important pest within a few years. This ecoregion contains an established complex of aphid natural enemies, including both predators and parasitoids. In the decade since its invasion, indicators of increased suppression observed across six years and five locations from south to north Texas were as follows: (1) aphid abundances trending downwards across the years, (2) overall natural enemy abundances trending upwards during the same time period, and (3) a key parasitoid and coccinellid species increasing in dominance. Two key taxa, Aphelinus nigritus (Howard) (Hymenoptera: Aphelinidae) and six species of coccinellids (Coleoptera: Coccinellidae), were likely responsible for the majority of the pest’s suppression. In light of these findings, the importance of monitoring and stewarding natural enemies of invasive insect pests is discussed as part of a comprehensive strategy to measure and reduce the impact of a pest invasion in large-scale agroecosystems.
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- 2024
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3. Modeling the effects of sidestreams recycling on wastewater treatment plant performance operated by anaerobic-anoxic-oxic (A2/O) processes using GPS-X8 simulation
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Haider M. Zwain, Ahmed M. Faris, Waqed H. Hassan, Shan-e-hyder Soomro, and Ali Majdi
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Wastewater treatment plants ,Anaerobic-anoxic-oxic (A2/O) processes ,Sidestreams ,Environmental modeling ,GPS-X ,Technology - Abstract
The water separated by sludge treatment processes is known as the sidestreams, such as the centrate, underflow belt thickener, and supernatant gravity thickener. The sidestreams have significant amounts of contaminants, particularly nutrients, and are returned to the wastewater treatment plant head. Returning the sidestreams to the head of the plant causes both technical and financial problems. This paper models the effect of sidestreams on the treatment of mainstream in full-scale conventional activated sludge systems operated with anaerobic/anoxic/oxic (A2/O). The effects of sidestreams nutrients and inert materials, the pollutants fate in the A2/O system, oxygen consumed, and energy required by sidestreams are modeled using GPS-X8 simulation. The results showed that the discharge ratio of the sidestreams to the mainstream is 4 %. The proportion of the pollutants present in the sidestream to the mainstream were 4.3 %, 4.7 %, 8.8 %, 21 %, 40 %, and 11 % for BOD, COD, TSS, NH4, PO4, and H2S, respectively. The GPS-X model showed that high orthophosphate and hydrogen sulfide concentrations were seen in the anaerobic zone. While all other pollutants begin to decay, phosphates and hydrogen sulfide gas also begin to decrease gradually in anoxic and oxic zones, noting the high concentrations of nitrates and sulfates in the oxic zone. An added 10 % of oxygen is needed for the sidestreams ammonia oxidation, which is more than the amount needed for the oxidation of BOD. The percentage of alkali used to improve the nitrification process due to the ammonia in the sidestreams was 30 % of the specified amount of ammonia in the mainstream. This study proved that the plant's sidestreams adversely increased oxygen, energy, and alkali consumption.
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- 2024
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4. Simulation study of a practical approach to enhance cadmium removal via biological treatment by controlling the concentration of MLSS
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Basim K. Nile, Ahmed M. Faris, Hasan F. Alesary, Nadhir N. A. Jafar, Hani K. Ismail, Muhammad Abdulredha, Maad F. Al Juboury, Waqed H. Hassan, Luma M. Ahmed, Hussein Rasool Abid, and Stephen Barton
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Medicine ,Science - Abstract
Abstract The fate of cadmium at the Muharram Aisha wastewater treatment plant in Karbala governorate, Iraq was studied using the TOXCHEM model. Cadmium, a known carcinogen, and is considered one of the most dangerous heavy metals and high concentrations, greater than permissible limits, were found in the treated wastewater. The plant operates using an activated sludge system and this was modeled via TOXCHEM with a sensitivity analysis carried out on the extended aeration system. Prior to analysis, the model was calibrated and validated for cadmium, with the adjustments leading to a mean square error (RMSE) and correlation coefficient (R) of 0.0001 and 0.81, respectively. The mass balance of cadmium in the Muharram Aisha treatment plant was found to be 4832.44 g/day (37.1726%) in the treated wastewater and 8164.52 g/day (62.804%) in the sludge, which indicated that the mix liquor suspended solid (MLSS) was the most sensitive factor. The sensitivity to cadmium was analyzed via MLSS in the extended aeration system and the results o indicated that the higher the MLSS concentration (mg/L), the greater the removal of cadmium in the treated wastewater. It was found that increasing the MLSS through a biological treatment method reduced the concentration of cadmium without the need for additional of any (potentially harmful) chemical treatments. The plant was subsequently operated for a period of 5 months with the MLSS increased from 1500 to 4500 mg/L, and this reduced the concentration of cadmium in the wastewater from 0.36 to 0.01 mg/L as a consequence. This research demonstrates how the novel application of TOXCHEM can be a useful tool in the reduction of heavy metal contamination in the environment.
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- 2024
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5. First Report of Dalbulus maidis (DeLong and Wolcott) (Hemiptera: Cicadellidae) in Oklahoma
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Ashleigh M. Faris, Maira Rodrigues Duffeck, Jennifer D. Olson, Andres S. Espindola, Luana Muller, Sebastian E. Velasco, and João Murilo Zambiasi
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invasive insect ,pest ,leafhopper ,maize ,insect identification ,Science - Abstract
The corn leafhopper, Dalbulus maidis (DeLong and Wolcott) (Hemiptera: Cicadellidae), is an invasive insect that can cause damage to maize (Zea mays L.) in two ways: by direct feeding and the transmission of several plant pathogens. Dalbulus maidis is an invasive and serious economic pest of maize that has spread from its center of origin in Mexico to the southernmost parts of the United States. Prior to 2024, corn leafhoppers had not been documented in Oklahoma, and their spread northward toward the United States corn belt is of significant concern. Here, we provide the first reports of the insect in maize in several Oklahoma counties. Insect specimens were collected at various commercial and experimental field sites by Oklahoma State University research and extension personnel. The identity of the insect species was validated through morphological and molecular taxonomy. The presence records for the corn leafhopper presented here provide valuable information for future monitoring and management efforts of this economically important pest and disease.
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- 2024
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6. Case study of hydrogen sulfide release in the sulfate-rich sewage drop structure
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Namran F. Hamad, Basim K. Nile, Hassan Thoulfikar A. Alamir, Ahmed M. Faris, Hani K. Ismail, Waqed H. Hassan, Luma M. Ahmed, Hasan F. Alesary, and Stephen Barton
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drop structure ,hydrogen sulfide ,h2s emission ,stream width ,toxchem model ,Environmental technology. Sanitary engineering ,TD1-1066 ,Environmental sciences ,GE1-350 - Abstract
H2S is one of the principal odor gases released from sewer networks and understanding the rate of H2S release into sewer air space and ventilation to the atmosphere is crucial for preventing or minimizing odor and corrosion issues in sewer systems. TOXCHEM model was used to simulate the fate of H2S gas in roads for this study. The model was calibrated for the spring and summer seasons and validated for the remainder of the seasons. The predicted behavior showed good correlation to measurements on real samples following statistical analysis, with R2, R, and RMSE results between (0.93–0.97), (0.8–0.82), and (0.000438–0.000838), respectively. A sensitivity study was performed to assess the effect of various pH values, drop heights, tailwater depths, stream widths, and sewer ventilation rate levels. The results showed that the emissions concentrations for winter, spring, summer, and autumn reached 3500, 5044, 6425, and 4045 ppm respectively. All the emissions levels from this DS can be considered hazardous, and this was particularly evident during the summer months. This study has helped to clarify the fate and emission of hydrogen sulfide gas at the DS by simulation using a TOXCHEM model. HIGHLIGHTS The drop structure can substantially increase the emission of hydrogen sulfide from the liquid phase to the air phase.; Discussion of the most important factors that contribute to the emission of H2S gas in the drop structures.; Determination of the amount of hydrogen sulfide gas emission in the sulfate-rich wastewater.; The use of the TOXCHEM model to simulate the emission of hydrogen sulfide gas in the drop structure.;
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- 2023
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7. Chloralkali and Hydrogen Generation from Produced Water
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Ana Hasrinatullina Bt M Basri, Terath Kumar s/o Omporkas, Nagaih, Anusha, M Faris B M Shah, Sen, Tan Loo, Rashid, Muhammad H., Series Editor, Kolhe, Mohan Lal, Series Editor, Othman, Mahmod Bin, editor, Abdul Karim, Samsul Ariffin, editor, Wilfred, Cecilia Devi, editor, Lee, Kean Chuan, editor, and Sokkalingam, Rajalingam, editor
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- 2023
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8. Staff- and service-level factors associated with organisational readiness to implement a clinical pathway for the identification, assessment, and management of anxiety and depression in adults with cancer
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Mona M. Faris, Heather L. Shepherd, Phyllis N. Butow, Patrick Kelly, Sharon He, Nicole Rankin, Lindy Masya, The ADAPT Program Group, and Joanne Shaw
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Organisational readiness ,Implementation science ,Organizational Readiness for Implementing Change scale ,Psycho-oncology ,Cluster randomised controlled trial ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background Organisational readiness is recognised as a key factor impacting the successful translation of research findings into practice. Within psycho-oncology, measuring organisational readiness and understanding factors impacting organisational readiness is crucial as it is often challenging to implement evidence-based findings into routine cancer care. In this quantitative study, we examined the level of organisational readiness of cancer services preparing to implement a clinical pathway for the screening, assessment, and management of anxiety and depression in adult cancer patients (the ADAPT CP) within a cluster randomised controlled trial and sought to identify staff- and service-level factors associated with organisational readiness. Methods Multidisciplinary staff across 12 Australian cancer services were identified. Their perceptions of their services’ readiness to implement the ADAPT CP in the cancer stream or treatment modality selected within their service was assessed prior to implementation using the Organizational Readiness for Implementing Change scale. Data collection included staff demographic and professional characteristics, and their perception of the ADAPT CP using a set of 13 study-specific survey items. Service characteristics were captured using a site profile audit form and workflows during site engagement. Results Fourteen staff- and service-level factors were identified as potentially impacting organisational readiness. To identify factors that best explained organisational readiness, separate univariate analyses were conducted for each factor, followed by a backward elimination regression. Compared to services that implemented the ADAPT CP in one treatment modality, those opting for four treatment modalities had significantly higher organisational readiness scores. Staff in administrative/technical support/non-clinical roles had significantly higher organisational readiness scores compared to psychosocial staff. Higher organisational readiness scores were also significantly related to more positive perceptions of the ADAPT CP. Conclusions Readiness to implement an anxiety and depression clinical pathway within 12 oncology services was high. This may be attributed to the extensive engagement with services prior to implementation. The factors associated with organisational readiness highlight the importance of ensuring adequate resourcing and supporting staff to implement change, effectively communicating the value of the change, and taking a whole-of-service approach to implementing the change. Future longitudinal studies may identify factors associated with ongoing readiness and engagement prior to implementation. Trial registration The ADAPT RCT was registered prospectively with the ANZCTR on 22/03/2017. Trial ID ACTRN12617000411347. https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=372486&isReview=true .
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- 2023
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9. Preparation and evaluation of transdermal hydrogel of chitosan coated nanocurcumin for enhanced stability and skin permeability
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Tarek M. Faris, Adel M. Ahmad, Hamdoon A. Mohammed, Jawaher Abdullah Alamoudi, Maha Alsunbul, Amal Alrashidi, Omeima Abdullah, Najla Altwaijry, and Abeer S. Hassan
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Curcumin ,Nanotechnology ,Hydrogel ,Skin permeability ,HPLC ,Chitosan Coated Nanocurcumin ,Chemistry ,QD1-999 - Abstract
Curcumin (CR) is a natural product that has great interest in biopharmaceutical applications. It has several biological effects that antagonizes inflammation, oxidative stress, and cancer. On the other hand, low aqueous solubility, stability, and dissolution rate are the main challenges to using curcumin. In the present investigation, curcumin was formulated as a nanosystem known as nanocurcumin using a combination of polyvinyl pyrrolidone (PVP) with different polymers as stabilizing agents. The nanocurcumin formulations were prepared and evaluated by measuring the particle size, surface charge, drug content, and stability. The selected nanocurcumin formulation prepared using PVPK30-Poloxamer 188 demonstrated a significantly smaller particle size (272.1 ± 15.32 nm) and a higher settlement volume ration as compared with other formulations. Also, the selected formulation showed higher solubility and dissolution rates as compared with other stabilizer combinations. Chitosan was added to the selected nanocurcumin formulation as a coating polymer to enhance short-term storage colloidal stability. The result of stability proved that chitosan (0.05%)-coated nanocurcumin dispersion showed good stability during storage as compared with non-coated nanocurcumin. Non-coated nanocurcumin and chitosan-coated curcumin were loaded into the Carbopol934 hydrogel matrix to investigate the effect on curcumin permeability across the skin. The results revealed that nanocurcumin hydrogel formulations showed a significantly higher amount of curcumin permeated across the skin.
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- 2023
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10. Effect of core versus enhanced implementation strategies on adherence to a clinical pathway for managing anxiety and depression in cancer patients in routine care: a cluster randomised controlled trial
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Phyllis Butow, Mona M. Faris, Joanne Shaw, Patrick Kelly, Sharon He, Marnie Harris, Jessica Cuddy, Lindy Masya, Liesbeth Geerligs, Brian Kelly, Afaf Girgis, Nicole Rankin, Philip Beale, Thomas F. Hack, Laura Kirsten, Haryana Dhillon, Peter Grimison, Rosalie Viney, Josephine M. Clayton, Timothy Schlub, The ADAPT Program Group, and Heather L. Shepherd
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Implementation strategies ,Cluster randomised controlled trial ,Anxiety and depression management ,Medicine (General) ,R5-920 - Abstract
Abstract Background Optimal strategies to facilitate implementation of evidence-based clinical pathways are unclear. We evaluated two implementation strategies (Core versus Enhanced) to facilitate implementation of a clinical pathway for the management of anxiety and depression in cancer patients (the ADAPT CP). Methods Twelve cancer services in NSW Australia were cluster randomised, stratified by service size, to the Core versus Enhanced implementation strategy. Each strategy was in place for 12 months, facilitating uptake of the ADAPT CP (the intervention being implemented). The Core strategy included a lead team with champions, staff training and awareness campaigns prior to implementation, plus access to feedback reports and telephone or online support during implementation. The Enhanced strategy included all Core supports plus monthly lead team meetings, and proactive, ongoing advice on managing barriers, staff training and awareness campaigns throughout implementation. All patients at participating sites were offered the ADAPT CP as part of routine care, and if agreeable, completed screening measures. They were allocated a severity step for anxiety/depression from one (minimal) to five (severe) and recommended management appropriate to their severity step. Multi-level mixed-effect regression analyses examined the effect of Core versus Enhanced implementation strategy on adherence to the ADAPT CP (binary primary outcome: adherent ≥ 70% of key ADAPT CP components achieved versus non-adherent
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- 2023
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11. Start-up and operation of novel EN-MBBR system for sidestreams treatment and sensitivity analysis modeling using GPS-X simulation
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Ahmed M. Faris, Haider M. Zwain, Majid Hosseinzadeh, Hasan Sh. Majdi, and Seyed Mostafa Siadatmousavi
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EN-MBBR ,GPS-X ,Modeling ,Sidestream lines ,Start-up process ,Engineering (General). Civil engineering (General) ,TA1-2040 - Abstract
Worldwide, most treatment systems are retuning sidestreams to the wastewater treatment plant head without treatment. This study established an innovative process to separately treat all sidestream lines (supernatant gravity thickener, underflow mechanical thickener, and centrate) away from plant mainstream and return treated sidestream effluents to plant wastewater outfall instead of wastewater head. It aims to start up and operate a novel EN-MBBR to eliminate sidestreams impacts on a full-scale A2/O sewage treatment plant. The effects of DO, RAS, and media portion on the reactor were modeled using GPS-X. The system successfully started and reached a steady-state in 28 days. The pilot system processed 30 m3/d of the sidestreams, and the average of 8 months effluent concentrations for COD, BOD, TSS, PO4, NH4, NO2, NO3, H2S were 55, 4, 11, 0.16, 0.2, 0.17, 100, and 0.11 mg/L, respectively. Adding 3 kg/day of calcium hydroxide contributed to improving the nitrification process and reducing phosphates from 40 mg/L to 0.16 mg/L, but it caused an initial shock to the system that lasted more than a week, and then it was stabilized. Modeling results showed that DO concentrations affected the nitrification process but stabilized at a concentration of 3 mg/L. When operating the EN-MBBR as an EN-IFAS system, the RAS has positively contributed to reducing sludge in this system, whereas the sludge proportion is reduced by 60%. The media portion had a significant effect on the removal of nutrients, as it gave the best results when the rate of reactor filling with carriers was between 40 and 50%.
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- 2022
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12. Investigation on the Effect of Machining Parameters on Mechanical Properties of Friction Stir Processed Mg–Al-Micro Al2O3 Metal Matrix Composites
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Zulkfli, Zuhairah, Zaidi, M. Faris, Fatchurrohman, Nanang, Hamedon, Zamzuri, Cavas-Martínez, Francisco, Editorial Board Member, Chaari, Fakher, Series Editor, di Mare, Francesca, Editorial Board Member, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Editorial Board Member, Ivanov, Vitalii, Series Editor, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Abdul Sani, Amiril Sahab, editor, Osman Zahid, Muhammed Nafis, editor, Mohamad Yasin, Mohamad Rusydi, editor, Ismail, Siti Zubaidah, editor, Mohd Zawawi, Mohd Zairulnizam, editor, Abdul Manaf, Ahmad Rosli, editor, Mohd Saffe, Siti Nadiah, editor, Abd Aziz, Radhiyah, editor, and Mohd Turan, Faiz, editor
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- 2022
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13. Fate and emission of methyl mercaptan in a full-scale MBBR process by TOXCHEM simulation
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Ahmed M. Faris, Basim K. Nile, Zainab H. Mussa, Hasan F. Alesary, Maad F. Al Juboury, Waqed H. Hassan, Hussein A. Al-Bahrani, and Stephen Barton
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emission ,fate ,mbbr ,methyl mercaptan ,sensitivity analysis ,toxchem ,Environmental technology. Sanitary engineering ,TD1-1066 ,Environmental sciences ,GE1-350 - Abstract
The emission and fate of methyl mercaptan from the residential complex treatment plant (RCTP) moving bed bioreactor (MBBR) process in the city of Al-Hur in Karbala governorate in Iraq were studied using the TOXCHEM 4.1 model. The release of odorous sulfur compounds from treatment plants harms workers and the surrounding area. Methyl mercaptan, in particular, is responsible for odors similar to rotten cabbage. The sensitivity analysis for the methyl compounds in the MBBR system was conducted based on the following factors: a large thick biofilm layer, the specific surface area of media, media fill fraction, and aeration flowrate. The model was validated via RMSE and R, which showed the model outputs are representatives of real-world observations. Degradation and emission were shown to be the two most important processes in the system. During the summer (32 °C) and winter (12 °C), about 13 and 10%, 2 and 4%, 0.5 and 1%, and 85 and 85% were emitted into the atmosphere, discharged with effluent, sorbed into sludge, and biodegraded, respectively. The overall concentrations of CH4S emitted in summer and winter were 1.78 and 1.38 ppm, respectively. Operating the MBBR system with a thick biofilm layer, a large specific surface area of media, a greater media fill fraction, and a low aeration rate contributed significantly to the decomposition of methyl mercaptan and thus decreased emission into the atmosphere. Finally, the TOXCHEM simulation accurately predicts the fate of CH4S and the emissions inherent to the MBBR system. The manipulation of the operating factors led to the improvement of the system and the reduction of methyl mercaptan gas emissions without the need to add units and chemical additives. HIGHLIGHTS The methyl mercaptan emitted by a full-scale MBBR WWTP was studied.; Aeration tank and equalization basin emitted the highest CH4S concentrations.; TOXCHEM modeling was used to calculate the distribution of CH4S around the WWTP.; CH4S concentrations exceeded the threshold limit at this plant.; CH4S emission was affected by the following three main factors: biodegradation, absorption by the sludge, and stripping.;
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- 2022
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14. Numerical Investigation into the Strengthening of Concrete-Filled Steel Tube Composite Columns Using Carbon Fiber-Reinforced Polymers
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Saba M. Sabih, Salam J. Hilo, Mohammed J. Hamood, Salih S. Salih, Marwah M. Faris, and Maysam A. Yousif
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strengthening ,repair ,FE analysis ,numerical study ,CFRP ,CFST ,Building construction ,TH1-9745 - Abstract
Hollow and concrete-filled steel tubes (CFSTs) are extensively employed as columns in various structural systems, yet they are susceptible to local buckling under axial compression loading. Local buckling tends to manifest near the column ends where moments are the highest. To address this issue and enhance the strength and ductility of CFSTs, carbon fiber-reinforced polymers (CFRPs) emerge as a simple and effective solution, having been successfully utilized in prior studies. This investigation focuses on assessing the axial load behavior of CFRP-strengthened CFST slender columns using the finite element (FE) method. The study begins with a verification phase, followed by comprehensive parametric studies exploring the impact of CFRP layers, numbers, confinement lengths, and positions. The FE results demonstrate that a single CFRP sheet, with a thickness of 1.2 mm, enhances the composite column’s axial load resistance by 8.5%. Doubling the CFRP sheets to a total thickness of 2.4 mm increases the resistance to 23.5%, while three sheets totaling 3.6 mm and four sheets totaling 4.8 mm result in axial load resistances of 35.1% and 44.5%, respectively. Furthermore, the study reveals that varying the lengths of CFRP sheets improves axial load resistance by 8.5%, 4.6%, 0.1%, and 0.5% for length percentages of 100%, 75%, 50%, and 25%, respectively. These findings underscore the efficacy of CFRP in strengthening CFST columns and provide valuable insights into optimizing the design parameters for an enhanced structural performance.
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- 2024
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15. Modeling of novel processes for eliminating sidestreams impacts on full-scale sewage treatment plant using GPS-X7
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Ahmed M. Faris, Haider M. Zwain, Majid Hosseinzadeh, and Seyed Mostafa Siadatmousavi
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Medicine ,Science - Abstract
Abstract The novel process consisted of two steps was established by combining all sidestreams lines (supernatant gravity thickener, underflow mechanical thickener, and centrate), treating them together away from the mainstream treatment plant, and returning treated sidestreams effluents to the plant outfall instead of plant head. The two steps novelty treatment combined degradation, nitrification, and dilution processes. To treat combined sidestreams, a novel pilot extended nutrient moving bed biofilm reactor was developed. The effects of sidestream elimination on a full-scale anaerobic/anoxic/oxic system were simulated using GPS-X7. The statistical results of R values greater than 0.8 and NMSE values near zero proved the calibrated model’s validation. The novel system successfully removed 98, 93, 100, 85, 98, 100, and 98% of BOD, COD, NH4, NO3, TSS, H2S, and PO4-P from sidestreams, respectively. Furthermore, the simulation results showed that eliminating sidestreams has reduced volumes of full-scale A2/O facilities, controlled hydraulic and pollutants shocks, and minimized cost and energy. The novel process proved successful in treating combined sidestreams and eliminating their impacts on the A/O2 system.
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- 2022
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16. Structural Performance of Internally Stiffened Double-Skinned Profiled Composite Walls with Openings
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Salam J. Hilo, Mohammed J. Hamood, Alaa Hussein Al-Zuhairi, Ahmed W. Al Zand, A. B. M. A. Kaish, Mustafa M. Ali, Marwah M. Faris, and Wan Hamidon W. Badaruzzaman
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double-skinned profile ,profiled steel sheet ,composite wall ,concrete-filled steel wall ,cold form steel ,finite element ,Building construction ,TH1-9745 - Abstract
The double-skin profiled composite wall (DSPCW) system, filled with concrete material, is favorable in modern structures due to its high strength and ductility. Openings may be required within this composite wall (DSPCW) for various reasons, similar to a conventional bearing wall, which can lead to a reduction in bearing capacity. Therefore, to avoid changes in the geometry, materials, and thickness of this DSPCW wall, a new internally stiffening concept has been suggested by providing embedded cold-formed steel tube (CFST) columns. For this purpose, two full-scale DSPCW specimens were tested under static axial load, one of which was fabricated with a large opening size and stiffened with two octagonal CFST columns, while the other was designed without an opening and served as a control wall specimen. The results showed that the stiffened DSPCW with an opening achieved a slightly lower ultimate bearing strength (−9.4%) than the control wall specimen, with no reduction in the ductility behavior. Furthermore, several finite element models of DSPCW have been analyzed and designed to investigate additional parameters that were not experimentally tested, including the effects of the embedded CFST column’s shape and different types of internal stiffeners longitudinally provided inside these columns. The numerical investigation confirmed that the embedded CFST column with an octagonal cross-section was more efficient compared to the hexagonal and rectangular shapes by about 11% and 18.4%, respectively. Furthermore, using internal steel stiffeners for embedded tubes with a T-shape improved the axial bearing capacity of the DSPCW with an opening slightly higher than the corresponding stiffened walls with other investigated stiffener shapes (V-shaped, U-shaped, and L-shaped).
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- 2023
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17. Mechanical and Dimensional Stability of Gelatin-Based Hydrogels Through 3D Printing-Facilitated Confined Space Assembly.
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Chee, Heng Li, M, Yashaaswini, Kim, Jaedeok, Koo, Jing Wen, Luo, Ping, Ramli, M. Faris H., Young, Jennifer L., and Wang, FuKe
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- 2024
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18. Modelling of hydrogen sulfide fate and emissions in extended aeration sewage treatment plant using TOXCHEM simulations
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Haider M. Zwain, Basim K. Nile, Ahmed M. Faris, Mohammadtaghi Vakili, and Irvan Dahlan
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Medicine ,Science - Abstract
Abstract Odors due to the emission of hydrogen sulfide (H2S) have been a concern in the sewage treatment plants over the last decades. H2S fate and emissions from extended aeration activated sludge (EAAS) system in Muharram Aisha-sewage treatment plant (MA-STP) were studied using TOXCHEM model. Sensitivity analysis at different aeration flowrate, H2S loading rate, wastewater pH, wastewater temperature and wind speed were studied. The predicted data were validated against actual results, where all the data were validated within the limits, and the statistical evaluation of normalized mean square error (NMSE), geometric variance (VG), and correlation coefficient (R) were close to the ideal fit. The results showed that the major processes occurring in the system were degradation and emission. During summer (27 °C) and winter (12 °C), about 25 and 23%, 1 and 2%, 2 and 2%, and 72 and 73% were fated as emitted to air, discharged with effluent, sorbed to sludge, and biodegraded, respectively. At summer and winter, the total emitted concentrations of H2S were 6.403 and 5.614 ppm, respectively. The sensitivity results indicated that aeration flowrate, H2S loading rate and wastewater pH highly influenced the emission and degradation of H2S processes compared to wastewater temperature and wind speed. To conclude, TOXCHEM model successfully predicted the H2S fate and emissions in EAAS system.
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- 2020
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19. Developed simvastatin chitosan nanoparticles co-crosslinked with tripolyphosphate and chondroitin sulfate for ASGPR-mediated targeted HCC delivery with enhanced oral bioavailability
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Tarek M. Faris, Gamaleldin I. Harisa, Fars K. Alanazi, Ahmed M. Samy, and Fahd A. Nasr
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Simvastatin ,Chitosan ,Chondroitin sulfate ,Polymeric nanoparticles ,Hepatocellular carcinoma ,Intracellular targeting ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Simvastatin (SV) repurposing has emerged as an alternative approach for the treatment of cancer. In this study, SV chitosan nanoparticles co-crosslinked with tripolyphosphate and chondroitin sulfate (SVCSChSNPs) were developed in order to maximize SV therapeutic efficiency. The hepatic targeting was realized using N-acetylgalactosamine (GalNAc) residues of ChS, which can be identified by the ASGPR receptors specifically expressed in hepatocytes. SV was repurposed as an anticancer agent against hepatocellular carcinoma (HCC). NPs were fabricated by the ionic gelation method, and the formulation variables (CS concentration, CS:ChS ratio, and CS solution pH) were optimized using a three-factor, three-level Box-Behnken design. The optimized NPs were investigated for particle size, size distribution, zeta potential, morphology, in vitro cytotoxicity, apoptotic effects against human hepatocellular carcinoma HepG2 cells, and detection of intracellular localization. The NPs were further evaluated for in vitro release behavior of SV and pharmacokinetics using Wister albino rats. Transmission electron microscopy (TEM) imaging showed a spherical shape with regular surface NPs of
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- 2020
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20. Silver Nanoparticles Stabilized by Poly (Vinyl Pyrrolidone) with Potential Anticancer Activity towards Prostate Cancer
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Ahmed A. H. Abdellatif, Ahmed Abdelfattah, Abdellatif Bouazzaoui, Shaaban K. Osman, Issa Saad Al-Moraya, Abdulaziz M. Saleh Showail, Mansour Alsharidah, Ashraf Aboelela, Osamah Al Rugaie, Tarek M. Faris, and Hesham M. Tawfeek
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Biotechnology ,TP248.13-248.65 ,Inorganic chemistry ,QD146-197 - Abstract
Tumor necrosis factor (TNF-α) and inflammatory cytokine (IL-6) play a vital role in various cellular incidents such as the proliferation and death of cells during carcinogenesis. Hence, regulation of these biomarkers could be a promising tool for controlling tumor progression using nanoformulations. Silver nanoparticles-poly (vinyl pyrrolidone) (AgNPs-PVP) were prepared using the reduction of silver nitrate and stabilized with PVP. They are characterized through yield percentage, UV-VIS, FT-IR, size, charge, and morphology. The obtained AgNPs were tested for anticancer activity against prostate cancer (PC 3) and human skin fibroblast (HFS) cell lines. Moreover, biomarker-based confirmations like TNF-α and IL-6 were estimated. The synthesized AgNPs-PVP were stable, spherical in shape, with particle sizes of 122.33 ± 17.61 nm, a polydispersity index of 0.49 ± 0.07, and a negative surface charge of −19.23 ± 0.61 mV. In vitro cytotoxicity testing showed the AgNPs-PVP exhibited antiproliferation properties in PC3 in a dose-dependent manner. In addition, when compared to control cells, AgNPs-PVP has lower TNF-α with a significant value (∗p
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- 2022
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21. The role of Acehnese women in enhancing community preparedness through the inter-generational transmission of local and indigenous knowledge
- Author
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Khaira Raudhatul, Abulkhair M. Faris, Fathin Kurnia Muhammad, Safira Rizqiya, and Suryani Oktari Rina
- Subjects
Environmental sciences ,GE1-350 - Abstract
Intergenerational transmission of traditional knowledge plays an important role. The involvement of women shows a significant impact on building family and community preparedness. However, limited attention paid to the unique contributions of Acehnese women has identified an erosion of traditional knowledge systems in the local context. This study explores the role and involvement of Acehnese women in the intergenerational transmission of knowledge about disaster preparedness based on local wisdom. A qualitative study in Banda Aceh and Aceh Besar involving interviews with key informants namely where they live, victims or non-victims of the 2004 Aceh tsunami, and career women or housewives. Acehnese ethnic women living in coastal areas were sampled randomly and purposively. Ten agreed to participate and were interviewed. The face-to-face interviews were recorded, transcribed, and analyzed using an analytical framework. The interviews revealed that the role and involvement of women in the transmission of local knowledge and practices was hampered by cultural and political factors which caused the erosion of this knowledge.
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- 2023
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22. Antibacterial Activities of Extract n-Butanol-Methanol (1: 1) Filtrat of the Fermentation Results of Streptomyces sp. B10 Against Mycobacterium tuberculosis H37Rv: An Experimental Study
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Putri, Septa Devi Adetya, Isnaeni, and Adrianto, M. Faris
- Published
- 2019
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23. Credit Risk Assessment in P2P Lending Using LightGBM and Particle Swarm Optimization
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Yosza Dasril, Yosza Dasril, Much Aziz Muslim, Much Aziz Muslim, M. Faris Al Hakim, M. Faris Al Hakim, Jumanto, Jumanto, Budi Prasetiyo, Budi Prasetiyo, Yosza Dasril, Yosza Dasril, Much Aziz Muslim, Much Aziz Muslim, M. Faris Al Hakim, M. Faris Al Hakim, Jumanto, Jumanto, and Budi Prasetiyo, Budi Prasetiyo
- Abstract
Credit risk evaluation is a vital task in the P2P Lending platform. An effective credit risk assessment method in a P2P lending platform can significantly influence investors' decisions. Machine learning algorithm such as LightGBM can be used to evaluate credit risk. However, the results in evaluating P2P lending need to be improved. This research aims to improve the accuracy of the LightGBM algorithm by combining it with the Particle Swarm Optimization (PSO) algorithm. This research is novel as it combines LightGBM with PSO for large data from the Lending Club Dataset, which can be accessed on Kaggle.com. The highest accuracy also presented satisfactory results with 98.094% accuracy, 90.514% Recall, and 97.754% NPV, respectively. The combination of LightGBM and PSO has resulted in better outcome.
- Published
- 2023
24. CNN-ML Stacking for better Classification of Rice Leaf Diseases
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Al Hakim, M. Faris, primary and Prasetiyo, Budi, additional
- Published
- 2024
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25. STRATEGI BRANDING DIGITAL MARKETING GUNA PENINGKATAN PENERIMAAN SISWA BARU BAGI SEKOLAH BARU JENJANG SMP
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Hakim, M. Faris Al, primary, Jayanto, Prabowo Yudho, additional, Jumanto, Jumanto, additional, and Ardiyanto, Heri, additional
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- 2024
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26. ChatGPT’s performance evaluation for annotating multi-label text in Indonesian language
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Hakim, M. Faris Al, primary and Prasetiyo, Budi, additional
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- 2024
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27. Study of the mechanical properties of rachianesthesia needles as part of materiovigilance
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B. Baye Fall Diop, M. Faris, M. Toufik, and B. Meddah
- Subjects
mechanical property ,needle ,rachianesthesia ,materiovigilance ,Computer applications to medicine. Medical informatics ,R858-859.7 - Abstract
Objective: Spinal anesthesia needles are sterile medical devices used during cesarean procedures such as lumbar punctures with the administration of a local anesthetic in the cerebrospinal fluid. It is a simple and reliable anesthesia technique. However, it can be complicated by difficult needle removal. This complication is an event estimated to have an incidence between one in 20,000 and one in 30,000. Difficult removal can sometimes be due to a broken needle. This rupture can be manifested by a break in the needle tube, but also by a dislocation of the connection between the hub and the needle tube. Materials and methods: Following complaints from healthcare establishments relating to difficulties in removing spinal anesthesia needles due to a dislocation of the connection between the base and the tube, we evaluated the breaking force of the base / tube connection of the implicated needles. Thus, we compared the breaking strengths of two different lots of spinal anesthesia needles (test lot and reference lot) using ISO standard 7864 as a technical reference. This standard requires a minimum breaking force of the needles of dimension 25G equal to 22 Newtons. Results: Regarding the test batch, more than 50% of the samples tested did not comply with the specifications of the standard. On the other hand, concerning the reference lot, all the samples tested showed values of the breaking force higher than the minimum breaking force required by the standard. Compared to the needles from the reference lot, we can say that the needles from the test lot have an increased risk of rupture of the connection between the hub and the tube when the needle is withdrawn at the end of the procedure medical. Conclusions: Thus, a systematic control of the breaking force, as carried out in our study, should be carried out on all lots of spinal needles in particular and on lots of single-use, non-reusable needles in general, in accordance with the standard ISO 7864. This is in order to avoid exposing patients to severe risks which can go as far as neurological complications and financial losses for the patients.
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- 2021
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28. Parasitoids and Predators of the Invasive Aphid Melanaphis sorghi Found in Sorghum and Non-Crop Vegetation of the Sorghum Agroecosystem
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Ashleigh M. Faris, Michael J. Brewer, and Norman C. Elliott
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Aphididae ,Apehlinidae ,Coccinellidae ,natural enemies ,Melanaphis sorghi ,Science - Abstract
Melanaphis sorghi (Theobald) (sorghum aphid), (=Melanaphis sacchari Zehntner) (Hemiptera: Aphididae), is an invasive pest of Sorghum bicolor (L.) in North America. Over 19 species of predators and parasitoids have been found to prey on M. sorghi. Natural enemies may reside in vegetation such as sorghum in cultivation (in-season) and persist after harvest (off-season), in Johnson grass (Sorghum halepense) (L.) and riparian areas consisting of shrubs and grasses, including Johnson grass. The objective was to assess the ability of these vegetation types to harbor M. sorghi natural enemies during and between annual grain sorghum production. Predator diversity was greatest in riparian vegetation in-season, with twelve species detected across seven families, and four orders of insects. Six lady beetle (Coleoptera: Coccinellidae) species were abundant in-season, and Cycloneda sanguinea (L.) persisted at relatively high abundance off-season. Parasitoid diversity was more limited (two primary parasitoids and one hyperparasitoid detected) with the primary parasitoids commonly detected. Aphelinus nigritus (Howard) (Hymenoptera: Aphelinidae), accounted for 85% and 57% of parasitoids in- and off-season, respectively. Aphelinus nigritus abundance was steady across the annual sorghum season in all vegetation types. Results from this study will inform land-management strategies on how diverse vegetations can play a role in the biological control of M. sorghi.
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- 2022
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29. The Effect of Preconcenption Moringa Leaf Extract Supplementation on Cotinine Serum Levels in Pregnant Women Exposed to Tobacco Smoke
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Haerani Harun, Anwar Daud, Ridwan Amiruddin, M Sabir, Veni Hadju, Anwar Mallongi, Rahma Rahma, Miranti Miranti, Tamrin Talebe, and M Faris
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Pharmacology ,Drug Discovery - Published
- 2023
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30. Heart Disease Diagnosis Using Tsukamoto Fuzzy Method
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Rizka Nur Pratama, Nafa Fajriati, and M. Faris Al Hakim
- Abstract
As one of the leading causes of death in the world, heart disease needs special attention. Heart disease often causes sudden death because the signs of a heart attack are not easy to detect. However, early detection efforts can still be pursued and continue to be carried out, especially using information technology. This study aims to diagnose the risk level of heart disease using Tsukamoto method and involving 11 input variables such as cholesterol, blood pressure, ECG, and others. At the same time, the output variables include healthy, small, medium, large, and very large. The stages of the method consist of four main processes, namely literature review, fuzzy inference system design, applying of Tsukamoto fuzzy, and evaluation. The research concluded that the fuzzy logic of the Tsukamoto method can be used to diagnose the risk level of heart disease, although the model performance is still limited to an accuracy value of 58%.
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- 2023
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31. A method for failures grouping and priority ranking case study: Operating gas compression plant
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Mohamed Hussein M. Faris, Elamin Elhussein, and Hassan Osman Ali
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Total down time importance ,Gas compression plants ,Modern maintenance ,Maintenance engineering and management ,Risk priority number ,Science - Abstract
The gas compression plant is a core and major unit in oil and gas industries that have high gas oil ratio or considerable gas production. Compressed gas is needed as fuel, support processing handling, increase reservoir builds up pressure by gas injection as well as a useful product. Gas plants are critical and dangerous working location and it is classified as a critical zone due to circumstance parameters like high pressure, high temperature, gas specifications and the potential to impact to human health, safety, environment and possibility to impact invested revenues in case of incidents. Therefore, all recorded compression plant operational failures shall be assessed and reviewed in order to decrease the unit down time and increase plant safety and efficiency.In general, limited studies were conducted in gas plant maintenance management. This paper studied a working gas compression unit in an operating oil and gas field in order to present the followings:• A model of failures raking and sorting in gas compression plants based on total down time importance (TDTI) grouping.• A model of failures ranking by using the risk priority number (RPN).RPN is giving priorities based on associated risk and TDTI as a new method is providing rankings based on maximum contribution to the total occurred down time. Therefore, the study is elaborating to demonstrate these two methods and highlighted the areas of difference which need attention of the owner and the site working team.
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- 2021
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32. Credit Risk Assessment in P2P Lending Using LightGBM and Particle Swarm Optimization
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Yosza Dasril, Much Aziz Muslim, M. Faris Al Hakim, Jumanto Jumanto, and Budi Prasetiyo
- Subjects
Information Systems and Management ,Artificial Intelligence ,Computer Science (miscellaneous) ,Decision Sciences (miscellaneous) ,Information Systems - Abstract
The credit risk evaluation is a vital task in the P2P Lending platform. An effective credit risk assessment method in a P2P lending platform can significantly influence investors' decisions. The machine learning algorithm that can be used to evaluate credit risk as LightGBM, however, the results in evaluating P2P lending need to be improved. The aim of this research is to improve the accuracy of the LightGBM algorithm by combining the Particle Swarm Optimization (PSO) algorithm. The novelty developed in this research is combining LightGBM with PSO for large data from the Lending Club Dataset which can be accessed on Kaggle.com. The highest accuracy also presented satisfactory results with 98.094% of accuracy, 90.514% of Recall, and 97.754% of NPV respectively. The combination of LightGBM and PSO shows better results.
- Published
- 2023
- Full Text
- View/download PDF
33. Nano-Structured Lipid Carrier-Based Oral Glutathione Formulation Mediates Renoprotection against Cyclophosphamide-Induced Nephrotoxicity, and Improves Oral Bioavailability of Glutathione Confirmed through RP-HPLC Micellar Liquid Chromatography
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Adel M. Ahmad, Hamdoon A. Mohammed, Tarek M. Faris, Abeer S. Hassan, Hebatallah B. Mohamed, Mahmoud I. El Dosoky, and Esam M. Aboubakr
- Subjects
cyclophosphamide ,anticancer ,acrolein ,renal toxicity ,glutathione ,nanostructured lipid carrier ,Organic chemistry ,QD241-441 - Abstract
The study aimed to develop a new glutathione (GSH) oral formulation to enhance the delivery of GSH and counter the nephrotoxicity of the anticancer drug, cyclophosphamide (CP). A nanostructured lipid carrier glutathione formulation (GSH-NLCs) composed of glutathione (500 mg), stearic and oleic acid (300 mg, each), and Tween® 80 (2%, w/v) was prepared through the emulsification-solvent-evaporation technique, which exhibited a 452.4 ± 33.19 nm spheroidal-sized particulate material with narrow particle size distributions, −38.5 ± 1.4 mV zeta potential, and an entrapment efficiency of 79.8 ± 1.9%. The GSH formulation was orally delivered, and biologically tested to ameliorate the CP-induced renal toxicity in a rat model. Detailed renal morphology, before and after the GSH-NLCs administration, including the histopathological examinations, confirmed the ameliorating effects of the prepared glutathione formulation together with its safe oral delivery. CP-induced oxidative stress, superoxide dismutase depletion, elevation of malondialdehyde levels, depletion of Bcl-2 concentration levels, and upregulated NF-KB levels were observed and were controlled within the recommended and near normal/control levels. Additionally, the inflammatory mediator marker, IL-1β, serum levels were marginally normalized by delivery of the GHS-NLCs formulation. Oral administration of the pure glutathione did not exhibit any ameliorating effects on the renal tissues, which suggested that the pure glutathione is reactive and is chemically transformed during the oral delivery, which affected its pharmacological action at the renal site. The protective effects of the GSH-NLCs formulation through its antioxidant and anti-inflammatory effects suggested its prominent role in containing CP-induced renal toxicity and renal tissue damage, together with the possibility of administrating higher doses of the anticancer drug, cyclophosphamide, to achieve higher and effective anticancer action in combination with the GSH-NLCs formulation.
- Published
- 2021
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34. Faktor Dominan pada Indeks Inklusi Perbankan Syariah Sektor Pertanian di Indonesia
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Eko Fajar Cahyono, M. Faris Fadillah Mardianto, and Sylva Alif Rusmita
- Subjects
keuangan inklusi ,Financial Inclusion Index (FFI) ,UMKM ,Islam ,BP1-253 ,Economics as a science ,HB71-74 - Abstract
The importance of financial inclusion in Islamic Bank is not only affordable for business level, but also agricultural sector. Indonesian Islamic banking as one of the providers of financial services continued to grow, but its market share is still small compared with conventional banking. Therefore financial inclusion Islamic banking, especially in reaching out to the agriculture sector, need to be improved. This study aims to measure the value of financial inclusion Islamic banks in Indonesia province in reaching the agricultural sector, both provincial and district or city. Indexing method factor analysis (Principal Component Analysis) using 14 indicators that have been adapted to the concept of Financial Inclusion Index (FII). Data correlated with Islamic Financial Institution availability can be divided into two factors which are of Islamic banking (including Islamic windows of the conventional bank) and Islamic Rural Bank. The result of the analysis is indicating that the most dominant factor provided by Islamic banking (including Islamic windows of conventional Bank). The result also present the highest index score reached by West Java Province and East Java, while the lowest index score reached by East Nusa Tenggara and West Papua Province. Keuangan inklusi bagi bank syariah sangatlah penting, bukan hanya memberikan pembiayaan pada sektor bisnis namun juga untuk sektor pertanian. Bank syariah di Indonesia sebagai salah satu lembaga keuangan yang terus berkembang memiliki potensi untuk mengembangkan keuangan inklusi walaupun pangsa pasar dari bank syariah masih lebih kecil dibandingkan konvensional. Keberadaan keuangan inklusi di bank syariah khususnya pada sektor pertanian masih perlu ditingkatkan Penelitian ini bertujuan untuk mengukur nilai keuangan inklusi di bank syariah pada sektor pertanian di seluruh provinsi yang ada di Indonesia, baik pada level provinsi, kabupaten dan kota. Penelitian ini menggunakan metode index faktor analisis (analisis komponen prinsip) dengan 14 indikator yang diadaptasi dari konsep Indeks Inklusi Keuangan. Data-data berkenaan dengan lembaga keuangan Islam yang tersedia dapat dibagi menjadi dua factor, yaitu faktor yang berkaitan dengan bank syariah (termasuk unit usaha syariah) dan Bank Pembiayaan Rakyat Syariah. Hasil analisis menunjukkan bahwa faktor yang paling dominan adalah faktor yang berkaitan dengan bank syariah dan unit usaha syariah. Hasil menunjukkan bahwa angka indeks tertinggi diraih oleh provinsi Jawa Barat dan Jawa Timur, sedangkan angka indeks terendah diraih oleh provinsi Nusa Tenggara Timur dan Papua Barat.
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- 2017
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35. In vitro effects of the green synthesized silver and nickel oxide nanoparticles on the motility and egg hatching ability of Marshallagia marshalli
- Author
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Yousef Mirzaei, Samir M. Hamad, Azeez A. Barzinjy, Vinos M. Faris, Masoud Karimpour, and Mukhtar H. Ahmed
- Subjects
Biomaterials ,Renewable Energy, Sustainability and the Environment ,Ceramics and Composites ,Waste Management and Disposal - Abstract
Background Gastrointestinal nematodes are one of the serious health problems on the human society and in the livestock industry. Marshallagia marshalli is one of the most prevalent gastrointestinal nematodes in small ruminant, have subtle but more significant adverse effects on the health and fitness of their hosts. Aim In this study, green synthesized nickel oxide (NiO) and silver (Ag) nanoparticles (NPs) have been checked to evaluate the possible antiparasitic effects of nickel oxide and silver nanoparticles on Marshallagia marshalli. Methods The characterization of synthesized NiO NPs and Ag NPs was confirmed using the scanning electron microscopy (SEM), X-Ray diffraction (XRD), and UV–Visible spectroscopy. The adult worms were incubated with various concentrations of NiO and Ag NPs with the quantity of; 1, 2, 4, 8, 12, and 16 ppm for 24 h. Mobility and egg hatching abilities of the parasites were recorded at 4-h intervals. Results The results showed that both of the nanoparticles NiO and Ag NPs have anthelmintic activity against Marshallagia marshalli. The anthelmintic effects increased with an increase in the concentration of nanoparticles and the incubation time. Conclusion The outcome data concluded that Ag-NPs possess a higher level of efficacy than NiO NPs.
- Published
- 2022
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36. Model Pembelajaran DBUS (Discovery Based Unity of Sciences) Berpendekatan Alqur'an VS Science Untuk Guru Madrasah Ibtidaiyah Darul Ulum Bumiayu
- Author
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Kristyaningrum, Dwi Hesty, primary, Winarto, Winarto, primary, and Arromal, M. Faris, primary
- Published
- 2023
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37. Effect of Argon-Oxygen Flow Rate Ratio in Magnetron Sputtering on Morphology and Hygroscopic Property of SnO2 Thin Film
- Author
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Shahidan, M. Faris Shahin and Awang, R.
- Published
- 2016
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38. Student Movement in The Era of The Joko Widodo: A New Generation of Indonesian Democracy
- Author
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Sukma Aditya Ramadhan, Dinda Elysia Azhar, M. Faris Zulfauzi, Noprisyal Ramadhan, Helda Suartina, and Yusuf Fadli
- Subjects
Pharmacology (medical) - Abstract
The student movement is part of a social movement and is the most important factor in realizing social change. The democracy index in the era of Joko Widodo's administration shows a downward trend, this encourages the increase in the Indonesian student movement. Several policies of the Joko Widodo government are seen as Contrary to the interests of the community, such as the revision of the KPK Law, the drafting of the omnibus law, and the arrest of activists of civil society movements. This article explains specifically the student movements that existed during the Jokowi presidency during the first period and the second period. The research data obtained were analyzed and interpreted to see the extent to which the student movement had an impact on government policy. In the era of Jokowi's leadership, the student movement continues to oversee the government's agenda through controversial policies. In the second period under Jokowi's leadership, the student movement was still carried out and never stopped taking action as a result of several government policies that were not in favor of the community.
- Published
- 2022
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- View/download PDF
39. Growth pattern and condition factor of the common silver-biddy Gerres oyena (Forsskål, 1775) juveniles from seagrass ecosystem of Karang Congkak Island, Kepulauan Seribu
- Author
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Ahmad Zahid, Nabela Fikriyya, Endang Hilmi, Noviana Noviana, M. Faris Nazal, Charles P.H Simanjuntak, and Adinda Kurnia Putri
- Abstract
A seagrass bed of Karang Congkak Island has been known as the nursery habitat for many marine fishes. The common silver-biddy (Gerres oyena) is one of the temporary resident fishes that inhabits seagrass beds of Karang Congkak Island before they migrate to their adult habitat to join the adult population. The aims of this research are to analyze the growth pattern, condition factor and food preferences of the common silver-biddy while they utilized the seagrass beds of Karang Congkak Island as their nursery ground. Sampling was conducted from March 2018 to March 2019 with 10 times frequency of sampling in total. Sample was towed using a beach seine net with 10x1 m in dimension and 3 mm mesh size. Parameters that were analyzed in this research were a length-weight relationship, condition factor, and food preferences. A total of 2762 juveniles of the common silver-biddy were collected and were classified into 10 length classes. The results showed that in general, the growth pattern of the common silver-biddy was positive allometric (b>3), although some months were isometric (b=3). The overall condition factor ranged from 0.87 – 2,05 and it fluctuated throughout the months. The diet which has the main role in determining the fish growth of the common silver-biddy was dominated by the group of copepods. The positive allometric growth pattern of the common silver-biddy and the high value of condition factor describe that seagrass ecosystem of Karang Congkak Island is a suitable nursery ground for the juveniles of the common silver-biddy. Abstrak Ekosistem lamun Pulau Karang Congkak merupakan habitat pengasuhan yuwana berbagai spesies ikan laut. Ikan kapas-kapas (Gerres oyena) merupakan salah satu ikan penghuni sementara lamun Pulau Karang Congkak sebelum akhirnya beruaya ke habitat induknya untuk bergabung dengan populasi ikan dewasa. Penelitian ini bertujuan untuk menganalisis pola pertumbuhan dan faktor kondisi yuwana ikan kapas-kapas selama menghuni perairan ekosistem lamun Pulau Karang Congkak. Penelitian dilakukan dari Maret 2018 sampai Maret 2019 dengan total frekuensi pengambilan sampel selama 10 bulan. Contoh ikan diambil dengan menarik pukat tarik pantai berdimensi 10 m x1 m dan mata jaring 3 mm. Parameter yang diamati pada penelitian ini adalah hubungan panjang-bobot ikan, faktor kondisi, dan preferensi makanan ikan. Selama penelitian terkumpul sebanyak 2765 yuwana ikan yang dapat dikelompokkan menjadi 10 kelompok kelas ukuran panjang. Pola pertumbuhan panjang ikan kapas-kapassecara keseluruhan bertipe alometrik positif (b > 3), namun pada beberapa bulan tertentu ditemukan pola pertumbuhan isometrik (b=3). Faktor kondisi selama penelitian berkisar antara 0,87-2,05 dan berfluktuasi setiap bulan. Makanan ikan yang merupakan faktor penentu pertumbuhan ikan kapas-kapas didominasi oleh kelompok kopepoda. Pola pertumbuhan ikan kapas-kapas yang alometrik positif dengan faktor kondisi yang tinggi memberikan gambaran bahwa padang lamun Pulau Karang Congkak merupakan daerah asuhan yang baik bagi yuwana ikan kapas-kapas.
- Published
- 2022
- Full Text
- View/download PDF
40. Credit Risk Assessment in P2P Lending Using LightGBM and Particle Swarm Optimization
- Author
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Yosza Dasril a, Yosza Dasril a, Muslim, Much Aziz, Al Hakim, M. Faris, Jumanto, Jumanto, Budi Prasetiyo, Budi Prasetiyo, Yosza Dasril a, Yosza Dasril a, Muslim, Much Aziz, Al Hakim, M. Faris, Jumanto, Jumanto, and Budi Prasetiyo, Budi Prasetiyo
- Abstract
Credit risk evaluation is a vital task in the P2P Lending platform. An effective credit risk assessment method in a P2P lending platform can significantly influence investors' decisions. Machine learning algorithm such as LightGBM can be used to evaluate credit risk. However, the results in evaluating P2P lending need to be improved. This research aims to improve the accuracy of the LightGBM algorithm by combining it with the Particle Swarm Optimization (PSO) algorithm. This research is novel as it combines LightGBM with PSO for large data from the Lending Club Dataset, which can be accessed on Kaggle.com. The highest accuracy also presented satisfactory results with 98.094% accuracy, 90.514% Recall, and 97.754% NPV, respectively. The combination of LightGBM and PSO has resulted in better outcome.
- Published
- 2023
41. Credit Risk Assessment in P2P Lending Using LightGBM and Particle Swarm Optimization
- Author
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Dasril, Yosza, Muslim, Much Aziz, Al Hakim, M. Faris, Jumanto, Jumanto, Prasetiyo, Budi, Dasril, Yosza, Muslim, Much Aziz, Al Hakim, M. Faris, Jumanto, Jumanto, and Prasetiyo, Budi
- Abstract
Credit risk evaluation is a vital task in the P2P Lending platform. An effective credit risk assessment method in a P2P lending platform can significantly influence investors' decisions. Machine learning algorithm such as LightGBM can be used to evaluate credit risk. However, the results in evaluating P2P lending need to be improved. This research aims to improve the accuracy of the LightGBM algorithm by combining it with the Particle Swarm Optimization (PSO) algorithm. This research is novel as it combines LightGBM with PSO for large data from the Lending Club Dataset, which can be accessed on Kaggle.com. The highest accuracy also presented satisfactory results with 98.094% accuracy, 90.514% Recall, and 97.754% NPV, respectively. The combination of LightGBM and PSO has resulted in better outcome.
- Published
- 2023
42. Heart Disease Diagnosis Using Tsukamoto Fuzzy Method
- Author
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Hakim, M. Faris Al, primary, Fajriati, Nafa, primary, and Pratama, Rizka Nur, primary
- Published
- 2023
- Full Text
- View/download PDF
43. APLIKASI PENDETEKSI PENYAKIT PADA IBU HAMIL DI PUSKESMAS BALEENDAH
- Author
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Latuconsina, Roswan, primary, Purboyo, Tito Waluyo, additional, Ruriawan, M. Faris, additional, Nardika, Muhammad, additional, and Handi, I Made Irvan Wilian, additional
- Published
- 2023
- Full Text
- View/download PDF
44. Rainfall Prediction in Blora Regency Using Mamdani's Fuzzy Inference System
- Author
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Dela Rista Damayanti, Suntoro Wicaksono, M. Faris Al Hakim, Jumanto Jumanto, Subhan Subhan, and Yahya Nur Ifriza
- Abstract
In the case study of weather prediction, there are several tests that have been carried out by several figures using the fuzzy method, such as the Tsukamoto fuzzy, Adaptive Neuro Fuzzy Inference System (ANFIS), Time Series, and Sugeno. And each method has its own advantages and disadvantages. For example, the Tsukamoto fuzzy has a weakness, this method does not follow the rules strictly, the composition of the rules where the output is always crisp even though the input is fuzzy, ANFIS has the disadvantage of requiring a large amount of data. which is used as a reference for calculating data patterns and the number of intervals when calculating data patterns and Sugeno has the disadvantage of having less stable accuracy results even though some tests have been able to get fairly accurate results. In research on the implementation of the Mamdani fuzzy inference system method using the climatological dataset of Blora Regency to predict rainfall, it can be concluded as follows: (1) The fuzzy logic of the Mamdani method can be used to predict the level of rainfall in the city of Blora by taking into account the factors that affect the weather, including temperature, wind speed, humidity, duration of irradiation and rainfall. (2) Fuzzy logic for prediction with uncertain input values is able to produce crisp output because fuzzy logic has tolerance for inaccurate data. (3) The results of the accuracy of calculations using the Mamdani fuzzy inference system method to predict rainfall in Blora Regency are 66%.
- Published
- 2022
- Full Text
- View/download PDF
45. APLIKASI PENDETEKSI PENYAKIT PADA IBU HAMIL DI PUSKESMAS BALEENDAH
- Author
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Roswan Latuconsina, Tito Waluyo Purboyo, M. Faris Ruriawan, Muhammad Nardika, and I Made Irvan Wilian Handi
- Abstract
Indonesia saat ini adalah negara yang memiliki tingkat Angka Kematian Ibu (AKI) dan Angka Kematian Bayi (AKB) dua kali lebih tinggi dibandingkan dengan negara negara lainnya yang ada di Asia Tenggara. Selain itu, sebagian besar Puskesmas (Pusat Kesehatan Masyarakat) di Indonesia masih melakukan pendataan terhadap pasien ibu hamil denganmenggunakan metode konvensional, yaitu secara manual mencatat hasil pemeriksaan dan kondisi ibu hamil dalam form fisik yang tersedia. Hal ini tentu saja akan mempersulit dalam analisis kondisi ibu hamil yang sangat rentan dengan penyakit-penyakit tertentu. Bertempat di Puskesmas Baleendah Kabupaten Bandung, Tim Pengabdian kepada Masyarakat Universitas Telkom melakukan serangkaian kegiatan untuk membantu dokter, bidan dan pihak puskesmas lainnya dalam mengatasi persoalan-perso(Siti Sundari & Fitri Nuraropah, 2021)alan yang dihadapi di atas, yakni melalui pembangunan sistem deteksi penyakit pada ibu hamil yang berbasis web dengan menggunakan metode Certainty Factor. Certainty Factor adalah salah satu metode sistem pakar yang mengakomodasi ketidakpastian pemikiran (inexact reasoning) seorang pakarKata Kunci: Web, Sistem Pakar, Certainty Factor
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- 2023
- Full Text
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46. Social Media in Iran: Politics and Society after 2009
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David M. Faris, Babak Rahimi, David M. Faris, Babak Rahimi
- Published
- 2015
47. Knowledge and Practice of Rotary Instrumentation in Primary Teeth among Saudi Arabian Dentists: A Cross-sectional Study
- Author
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Wejdan A, Alowi, Prabhadevi C, Maganur, Varsha, Manoharan, Ganesh, Jeevanandan, Lujain K, Mawkili, Shada M, Alsam, Shreefah M, Faris, and Satish, Vishwanathaiah
- Subjects
Pediatrics, Perinatology and Child Health ,Periodontics ,Orthodontics ,Oral Surgery - Abstract
Making use of rotary instruments for doing pulpectomies in the primary teeth is one of the most developing areas in the field of pedodontics. The primary aim of this study was to assess the understanding and the ease with which Saudi Arabian dentists could use rotary instrumentation in primary teeth.A cross-sectional observational study was conducted among dentists over 3 months. A structured self-explanatory questionnaire was given, and responses were obtained from the dental practitioners.The response rate for the survey was 92.45%. Only 21.4% of them were using rotary instruments, and ProTaper was most commonly used. The most common limitation factors that obstructed its usage included the taper and length of the existing files. On assessing the need for using an exclusive rotary file for performing root canal preparation in primary teeth, there was a significant difference observed statistically. The general thought that floated among most dental practitioners (There is an absolute need for more education programs and workshops in the country to increase the knowledge and awareness of dental practitioners, and also to give hands-on experience regarding rotary instrumentation in primary teeth. In kids, it seems appropriate to use kid-specific rotary files that make it comfortable for children too during the procedure.Alowi WA, Maganur PC, Manoharan V
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- 2022
- Full Text
- View/download PDF
48. Suppression of the Sugarcane Aphid, Melanaphis sacchari (Hemiptera: Aphididae), by Resident Natural Enemies on Susceptible and Resistant Sorghum Hybrids
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Ashleigh M Faris, Norman C Elliott, and Michael J Brewer
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Ecology ,Aphids ,Insect Science ,Animals ,Edible Grain ,Texas ,Sorghum ,Ecology, Evolution, Behavior and Systematics ,Saccharum - Abstract
The sugarcane aphid, Melanaphis sacchari (Zehntner) (Hemiptera: Aphididae), is an invasive sorghum pest that has threatened over 90% of North American sorghum production. Resident parasitoids, coccinellids, syrphids, and lacewings prey on this aphid. Our objective was to compare and estimate parasitoid and predator suppression of sugarcane aphids placed on resistant and susceptible hybrids in a field setting using natural enemy exclusion cages. During 2018 and 2019 along the Texas Gulf Coast and Central Oklahoma, three natural enemy exclusion treatments—no exclusion (full access for parasitoids and predators), partial exclusion (access limited to parasitoids), and complete exclusion (excludes parasitoids and predators)—were used. The parasitoid Aphelinus nigritus Howard (Hymenoptera: Aphelinidae) accounted for 90% of recovered natural enemies. In 2018, aphid suppression attributable to A. nigritus was ca. 95% on the resistant hybrids and 80% on the susceptible hybrids when comparing aphid counts from complete and partial exclusion treatments, while few predators were observed. In 2019, aphid suppression was attributed to a combination of predation and parasitism. Relatively more predators were recorded at both sites, accounting for 14% to 33% of specimens recovered in the no exclusion treatment. Aphid suppression attributed to predators and parasitoids ranged from 85% on aphid-resistant hybrids and 27% on susceptible hybrids in south Texas and >95% on both hybrids in Oklahoma when comparing aphid abundance in the complete and no exclusion treatments. Parasitism and predation contributed to aphid regulation on both hybrids, which may accrue multiple benefits leading to a more resilient sugarcane aphid management system.
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- 2022
- Full Text
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49. Generation of Sodium Hypochlorite from Produced Water
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M. Faris M. Shah, M. Fittri M. Timyati, Tengku Muhamad Alif Luqman Tengku Mizam, and Dzulkarnain Azaman
- Abstract
The major process in crude oil terminal was the separation of light hydrocarbon and water from crude using heat. The daily crude output capacity of a crude oil terminal is in between 90 and 100 kbd. The produced water from the separation unit will flow into the produced water tank before being delivered to the skimmer pits for further treatment. Following treatment, the effluent will be released into the ocean in accordance with the standards set by the Department of the Environment (DOE). Approximately 1,085,681 kl of water with a high concentration of chlorine were discharged by the crude oil terminal per year.With a high chlorine concentration in place, the large amount of produced water can be used to generate chloralkaline feed. Even if it is now crucial from an environmental standpoint because generated water is regarded as the most significant waste stream, there still needs to be a plan in place for the crude oil terminal to reuse or recycle the wastewater. A baseline analysis was carried out with the present wastewater volume to confirm that water reuse and recycling may provide value, protect the environment, and help the main company to realize its sustainability agenda. Increasing the amount of produced water and wastewater in operations, lowering reliance on outside water supplies, and ensuring the commercial viability of resources are other goals of this study.In this study, electro-chlorination (ECU), a water filtering process, and a test for free and total chlorine were all used to carry out experiment work utilizing the HACH method. These tests were performed to see out how much chlorine was present in the sodium hypochlorite solution that the ECU generates. The outcome showed that the electro-chlorination process would produce a more alkaline solution the longer it operated. It results from the electrolysis process, which increases the concentration of OH- ions in the solution.Laboratory testing is done to confirm that the produced water from the crude oil terminal can be used to electrogenerate hydrogen and sodium hypochlorite. The wastewater was subjected to three (3) tests, the first of which involved water filtration to remove suspended particulates, the second of which involved electro-chlorination using an electro-chlorination unit (ECU), which produced NaOCl as a product and H2 as a by-product. Finally, a dilution experiment is conducted to lower the concentration of the NaOCl solution so that it is within the range prior to the Free and Total Chlorine test. Using a Hach DR900 machine, the solution is then tested to determine the amount of free and total chlorine present in the effluent.
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- 2023
- Full Text
- View/download PDF
50. Constructed Wetland as an Alternative to Conventional Industrial Wastewater Treatment to Promote Carbon Sequestration for Sustainable Future
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Sew Keng Tan, M Faris M Shah, Suriati Sufian, and Pui Vun Chai
- Abstract
Constructed wetlands (CW) are man-made systems that mimic the natural wetlands. They can be used for various purposes, including wastewater treatment, stormwater management, and carbon sequestration. Wetlands naturally absorb and store carbon from the atmosphere, and CW can replicate this process by using plants and microorganisms to remove and store carbon from the water. Conventional wastewater treatment plants (WWTP) use more energy and contribute to carbon emissions, so many industries are looking for ways to reduce greenhouse gas (GHG) emissions. While CW have been widely used for municipal and sewage treatment, their use as an alternative or supplement to industrial wastewater treatment, particularly in the oil and gas and petrochemical industries, is limited. However, CW have the potential to promote carbon sequestration and have a lower cost of capital and operating expenses compared to conventional WWTP, while also emitting lower GHG emissions. A case study is presented for two types of system in which one is actual operating conventional WWTP in Malaysia design and operate at 60m3/d and a hybrid CW of equivalent treatment capability and capacity. The case study found that GHG emissions from a conventional WWTP were approximately 3.75 times higher than the hybrid CW system with the same treatment capacity. For a small capacity WWTP at 60m3 per day, converting the treatment system from conventional WWTP to CW will reduce approximately 45.7t CO2 eq per year based on Life Cycle Assessment (LCA) calculation. The conventional WWTP consumed much higher power especially from the air blower compared to CW where limited number of equipment is required. The additional carbon sink for CW from carbon sequestration from plant, soil decomposition and sediment has not been quantified in the LCA calculation. Hence, it is expected the actual CO2 eq emission for CW is much lesser than the conventional WWTP. With all the benefit identified and the proven success case in several places, the adoption of CW as an industrial WWTP should be widely promoted as the replacement of conventional WWTP for sustainable future.
- Published
- 2023
- Full Text
- View/download PDF
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