Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment by Ben-Hamadou, Radhouane

“…For each sampling, sediments from the top 2 cm were collected at the most recent high tidal mark on shore from a square area (0.5 0.5 m) along the shore line. Three replicate quadrats (5 meters apart) were sampled in each beach. …”
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The Impact of Multiple Autoclave Cycles on the Surface Roughness of Thermally Treated Nickel-Titanium Endodontic Files by Ba-Hattab, Raidan

“…., 20 TN, 20 ETP, and 20 PTG files), and each group was divided into four equal subgroups of five files (n = 5). An unsterilized group was assigned as the pre-autoclaving group (Cycle 0), and the other three groups underwent various autoclave sterilization cycles (Cycles 1, 5, and 10). …”
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Mechanism of GaAs surface sulfidation by Al Marri, M.J.

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Effect of binary mixture of waste plastics on the thermal behavior of pyrolysis process by Pek, Wee Kiat

“…Waste plastic is non-biodegradable material that does not decompose naturally for a long time. The pyrolysis process is a reliable method to decompose plastic wastes, which involves breaking of the heavy carbon chains and convert to light hydrocarbons. …”
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Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar by Islam, Nazmul

“…Results: A total of 171,447 RTI visits made by 58,786 patients during July-2015 to December-2017. The Mean age ±SD of participants is 24.80±18.5 years, among them 38.79% falls to age group 5-19 and 33.53% belongs to 20-44. …”
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The Effect of Hyperoxia on Central and Peripheral Factors of Arm Flexor Muscles Fatigue Following Maximal Ergometer Rowing in Men by Volianitis, Stefanos

“…Results: Arterial hemoglobin O2 saturation was reduced to 92.5 ± 0.2% during exercise with normoxia but maintained at 98.9 ± 0.2% with hyperoxia. …”
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Estimating blood pressure from the photoplethysmogram signal and demographic features using machine learning techniques by Chowdhury, Moajjem H.

“…Hypertension is a potentially unsafe health ailment, which can be indicated directly from the blood pressure (BP). …”
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Privacy-preserving federated learning cyber-threat detection for intelligent transport systems with blockchain-based security by Moulahi, Tarek

“…Subsequently, by using blockchain and by applying an aggregation strategy to different models, models from the previous step were uploaded in a smart contract. Lastly, we returned the updated models to the vehicles. …”
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Nonlinear stochastic modeling for optimal dispatch of distributed energy resources in active distribution grids including reactive power by Mehrjerdi, Hasan

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Urology Residents' Perspectives on the In-House On-Call Systems: A Study in an Accredited Academic Center by Khalil, Ibrahim A. and Ibrahim, Tarek and Aldeeb, Maya and Mohamed, Ahmed and Ben Salah, Rym and Aboumarzouk, Omar M. and Al-Naimi, Abdulla

“…Working hours: compliance and violations There was no significant difference in the mean weekly working hours (p = 0.1). However, the total number of duty hours violations decreased in the 12-hour on-call system. …”
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Surface Roughness Modelling of the Micromechanically Patterned CNT Forests by Mohd Razib , Mohd Asyraf

“…Introduction: A new method of modelling surface roughness of the resultant structure from various parameters in the microforming of CNT forests has been developed. …”
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Fecal Carriage and Molecular Characterization of Carbapenemase-Producing Enterobacterales in the Pediatric Population in Qatar by Pérez-López, Andrés

“…All 9 blaOXA-48-type-gene-containing E. coli sequence type 38 (ST38) strains were isolated from patients without international travel history. The mean quarterly incidence of fecal carriage decreased more than 6-fold after the implementation of coronavirus disease 2019 (COVID-19)-related international travel restrictions in Qatar in mid-March 2020. …”
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Adrenoceptor Desensitization: Current Understanding of Mechanisms by Maaliki, Dina

“…On the other hand, long-term desensitization occurs over hours to days and involves receptor downregulation or a decrease in cell surface receptor protein level. …”
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Association between Insulin and Nitric Oxide in Human Retinal Microvascular Endothelial Cells in vitro by Rizk, Nasser Moustafa

“…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. …”
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Changing life expectancy in European countries 1990–2021: a subanalysis of causes and risk factors from the Global Burden of Disease Study 2021 by Nicholas, Steel

“…In 2019–21, there was an overall decrease in mean annual life expectancy across all countries (overall mean –0·18 years [95% UI –0·22 to –0·13]), with all countries having an absolute fall in life expectancy except for Ireland, Iceland, Sweden, Norway, and Denmark, which showed marginal improvement in life expectancy, and Belgium, which showed no change in life expectancy. …”
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Demographic characteristics, laboratory features and complications in 346 cases of brucellosis: A retrospective study from Qatar by Varikkodan, Irfan

“…Results: Of the 346 patients 299 were males. The mean age was 39.62 years. 120 patients had history of drinking raw milk and 116 had a history of contact with animals. …”
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Response of cauliflower (Brassica oleracea L.) to nitric oxide application under cadmium stress by Jing, Ma

“…Our results illustrated that the increasing levels of Cd in the sand, significantly (P < 0.05) decreased shoot length, root length, shoot fresh weight, root fresh weight, shoot dry weight, root dry weight, germination percentage, germination index, mean germination time, time to 50% germination, chlorophyll a, chlorophyll b, total chlorophyll and carotenoid contents in all genotypes of B. oleracea. …”
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Inhibition of alpha-synuclein seeded fibril formation and toxicity by herbal medicinal extracts. by Ardah, Mustafa T

“…Therefore, examination of compounds that abolish the process of seeding is considered a key step towards therapy of several synucleinopathies. …”
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Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst by Ashok, Anchu

“…The reaction between NH3 and HNO3 released during decomposition of glycine and metal nitrate respectively produces the energy required for single step combustion synthesis. At higher value of φ, the reactive medium generates H2 rich reducing environment to convert metal oxide to metallic form Bimetallic CuCo were synthesized from the aqueous solution of cobalt nitrate (Co(NO3)2·6H2O), copper nitrate (Cu(NO3)2·6H2O) and glycine (C2H5NO2) in solution combustion synthesis (SCS) method using a fuel to oxidizer ratio of φ 0.5, 1, 1.75 and 2.5. …”
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In-depth Analysis of Pedestrian Safety in the State of Qatar by Kharbeche, Mohamed

“…Pedestrian safety is of a serious concern as it includes children and the aged population. …”
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