Acute and chronic toxicity assessments of 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) on the calanoid copepod Acartia clausi: Effects on survival, development, sex-ratio and... حسب Emna, Djebbi

"…Lethal effects of estrogens on A. clausi life-stages (Embryos, one day old nauplii: N1, three day old nauplii: N3, copepodites: C1-C3 and adults: C6) were investigated using 48 h acute tests. …"
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Ultrasound diagnosis of infections in pregnancy حسب Mariam, Al Beloushi

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Improvement of ternary recycled polymer blend reinforced with date palm fibre حسب Khanam, P. Noorunnisa

"…This is the first paper which describes the recycled polymer ternary blends of (1) recycled low density polyethylene (RLDPE), (2) recycled high density polyethylene (RHDPE) and (3) recycled polypropylene (RPP). …"
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Association between Insulin and Nitric Oxide in Human Retinal Microvascular Endothelial Cells in vitro حسب Rizk, Nasser Moustafa

"…In conclusion, this study demonstrated that Hyperglycemia causes an increase in ROS/oxidative stress and apoptosis, while insulin promotes a significant decrease in ROS and apoptosis, eNOS mediated NO production increases with hyperglycemia but remarkably decreases with insulin treatment after 1 hour, 2 hours and 4 hours, insulin could counteract the hyperglycemic effect on AKT/pI3 kinase which mediates NO production and VEGF-A, decreased adhesion molecules p-selectin involved in barrier disorder of retinal endothelial cells. …"
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Unlocking the application potential of electrocoagulation process through hybrid processes حسب Almukdad, Abdulkarim

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Impact of Genetic Polymorphisms on Phenytoin Pharmacokinetics and Clinical Outcomes in the Middle East and North Africa Region حسب Dagenais, Renée

"…CYP2C9, CYP2C19, and multidrug resistance protein 1 C3435T variants were evaluated. While CYP2C9*2 and *3 variants significantly reduced phenytoin metabolism, the impacts of CYP2C19*2 and *3 variants were unclear. …"
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Work-from-home, electricity, and water: Evidence from COVID-19 in Qatar حسب Bernstein, David H.

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Reducing the number of rebooking of urgent in-person visits in general paediatric ambulatory clinics during the COVID-19 pandemic حسب Hassan, Manasik

"…Background: Due to the COVID-19 pandemic, all out-patients clinics shifted to telehealth visits 1 . However some patients still needed to be seen as face to face visit 2 , mostly through the new urgent referrals which were overbooked in the clinics due to the limited availability of slots 3 . …"
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Impact of combined oil-in-water emulsions and particulate suspensions on ceramic membrane fouling and permeability recovery حسب Abdalla M.

"…The addition of 1500 mg·L−1 of bentonite to a 10 vol.% emulsion resulted in a permeability decrease of 3.5–5 times over that recorded for the emulsion, and 8–36 times lower than that of the bentonite suspension. …"
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Mixed Solid Municipal Waste-Based Biochar for Soil Fertility and Greenhouse Gas Mitigation حسب Bansode, Rishipal

"…Municipal solid waste management is one of the major challenges facing Qatar with more than 2.5 million tons of municipal solid waste each year, a very high waste generation rate in a country with small land mass. …"
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Solar hydrogen production via erbium oxide based thermochemical water splitting cycle حسب Bhosale, Rahul R.

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Credit bureaus and financial constraints do corruption matter? حسب Ben Ali, Mohamed Sami

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Age-Related Differences of the Athlete`s Heart حسب Kneffel, Zsuzsanna

"…According to the Tissue Doppler Imagining (TDI) the mitral lateral annulus seems to be the most sensitive region to detect difference in the E’/A’ quotient. At the competitive age difference between athletes and non-athletes was significant (3.21 ± 0.64 vs. 2.32 ± 0.55, p = 0.0265) similarly to the transmitral E/A (1.97 ± 0.37 vs. 1.73 ± 0.31, p = 0.0228, < 0.05). …"
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Co2 Removal Using Imidazolium-Based Ionic Liquid -Aspen Plus Modelling Study حسب Qureshi, Tooba Ishtiaq

"…Specifically, the absorbent EMIMNTF2 (1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide) is studied for its ability to capture CO2 and high energy savings. …"
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Effects of combined calcium hypochlorite and chlorine dioxide on drinking water quality in Qatar and disinfection by-products formation حسب Mohamed, Elsamoul H.

"…Seven water samples were collected from the Ras Laffan-Q Power desalination plant outlet in amber bottles having a chlorine dioxide concentration of 0.3 mg/L in 1 liter. …"
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Enhanced quality factor of polyvinyl formal (PVF) based nanocomposites filled with zinc oxide and carbon black nanoparticles for wireless sensing applications حسب Mohanapriya, M.K.

"…With further increase in CBNP content, the Q – factor was found to decrease7.38. Impedance values of PVA/ZnO/CBNP nanocomposites varied at different filler loading in PVF at 3% of CBNP (3.54 X 107Ω) to 10% of CB (1.48 X 107Ω). …"
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Experimental and numerical investigations on axial crushing of square cross-sections tube with vertical wave حسب Eyvazian, Arameh

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Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters حسب Ayesh, Ahmad I.

"…The system consists of three main chambers (source, mass filter, and deposition chambers) that were pumped initially to a base pressure of 10-8 mbar using two turbo pumps. …"
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Correlation between delta-endotoxin and proteolytic activities produced by Bacillus thuringiensis var. kurstaki growing in an economic production medium حسب Ennouri, Karim

"…Maximal protease activity (540-2468 UI) obtained by BUPM5-1 and BUPM5-2 was 2.34-fold and 10.7-fold, respectively, more than that obtained by the wild strain BUPM5 with a drastic decrease of their delta-endotoxin production. …"
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Utilization of Emergency Services by Children with Asthma in Qatar حسب Arafah, Dima

"…Background: Asthma is a leading chronic disease in children worldwide, which if left untreated or poorly controlled, can lead to altered lung function and poor quality of life. 1 Early detection and improved control of asthma are recommended to decrease utilization of emergency services and hospitalizations. …"
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