College of Arts & Sciences: المرسلات الحديثة
السجلات المعروضة 281 -- 300 من 3535
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Dissolved copper, cadmium and lead in the coastal waters of Qatar, Arabian Gulf
( National Institute of Science Communication and Information Resources (NISCAIR) , 1997 , Article)The concentrations of Cu, Pb and Cd have been determined in the exclusive economic zone of Qatar, Arabian Gulf during December 1993. Cathodic stripping voltammetry (CSV) was used both before and after UV destruction of ... -
A Comprehensive Machine and Deep Learning Approach for Aerosol Optical Depth Forecasting: New Evidence from the Arabian Peninsula
( Springer Nature , 2024 , Article)Accurate forecasting of environmental pollution indicators holds significant importance in diverse fields, including climate modeling, environmental monitoring, and public health. In this study, we investigate a wide range ... -
Addressing bias in the definition of SARS-CoV-2 reinfection: implications for underestimation
( Frontiers Media , 2024 , Article)Introduction: Reinfections are increasingly becoming a feature in the epidemiology of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. However, accurately defining reinfection poses methodological ... -
Antibody-dependent enhancement (ADE) of SARS-CoV-2 in patients exposed to MERS-CoV and SARS-CoV-2 antigens
( Wiley , 2024 , Article)This study evaluated the potential for antibody-dependent enhancement (ADE) in serum samples from patients exposed to Middle East respiratory syndrome coronavirus (MERS-CoV). Furthermore, we evaluated the effect of severe ... -
Prevalence of hepatitis B and C viruses among migrant workers in Qatar.
( Springer Nature , 2024 , Article)Limited data exist on viral hepatitis among migrant populations. This study investigated the prevalence of current hepatitis B virus (HBV) infection and lifetime hepatitis C virus (HCV) infection among Qatar's migrant craft ... -
Enhancement of photovoltaic module performance by thermal management using shape-stabilized PCM composites
( Elsevier , 2024 , Article)Thermal management of photovoltaic (PV) panels is crucial due to the deterioration of their electrical efficiency at elevated operating temperatures. Therefore, thermal protection of PV against overheating is highly required. ... -
Ether, sulfide and sulfone derivatives of cinnamaldehyde: Insights into synthesis, structural elucidation and solvatochromism
( Elsevier , 2024 , Article)Symmetric ether, sulfide and sulfone derivatives based on Schiff base functionalized group (3a-c) were synthesized via classical condensation of 4,4′-diaminodiphenyl precursors (1a-c) and cinnamaldehyde (2) in methanol at ... -
Environmental Drivers of Habitat Use by Hawksbill Turtles (Eretmochelys imbricata) in the Arabian Gulf (Qatar)
( Frontiers Media SA , 2020 , Article)Understanding the environmental drivers of movement patterns are critical to the protection, management and recovery of endangered species. The Arabian Gulf is considered to be the hottest marine system in the world and ... -
Pinctada radiata (pearl oyster): A bioindicator for metal pollution monitoring in the Qatari waters (Arabian Gulf)
( Springer Nature , 1998 , Article)Bivalves are extensively used in monitoring programmes in the marine environment due to their ability to concentrate pollutants to several orders of magnitude above ambient levels in sea water. Commonly, the levels of ... -
Beach tar contamination on the Qatari coastline of the Gulf
( Elsevier , 1999 , Article)Beach tar concentrations were measured along the Qatari coastlines. Tar concentrations, collected from 11 locations, varied in space and time with values ranging between 2 and 1132 g m−1 (average 290 g m−1) of beach front. ... -
The effect of graphene on the activation energy of grain growth for the nanocrystalline thermoelectric n-type Bi2Te2.7Se0.3
( Springer Nature , 2022 , Article)Even though bismuth telluride is frequently produced by mechanical alloying for thermoelectric materials, no data has been published addressing the thermal behavior and activation energy of the milled n-type Bi2Te2.7Se0.3 ... -
Acute effect of toe cap choice on toe deviation angle and perceived pain in female professional ballet dancers
( Hindawi Limited , 2019 , Article)Several classical dance complex movements, such as pointe, require body weight to be supported properly to avoid risk of foot injury. Regarding the choice of toe cap for pointe shoes, it is unclear which type can better ... -
Effects of exercise training on type 2-diabetes: The role of Meteorin-like protein
( Tabriz University of Medical Sciences , 2019 , Other)Diabetes, as a chronic condition affects millions of people worldwide. In the United States, approximately 84 million people have pre-diabetes, a condition that blood sugar is elevated but not to the number that is considered ... -
Effect of physical exercise and training on gastrointestinal hormones in populations with different weight statuses
( Oxford University Press , 2019 , Article)Several types of hormones exert control over appetite in humans. This narrative review explores the effects of exercise and training on the concentrations of gastrointestinal hormones in healthy and obese individuals. It ... -
Nutrigenomics and breast cancer: State-of-art, future perspectives and insights for prevention
( MDPI , 2020 , Article Review)Proper nutrition plays a major role in preventing diseases and, therefore, nutritional interventions constitute crucial strategies in the field of Public Health. Nutrigenomics and nutriproteomics are arising from the ... -
Differences in body fat, body mass index, and physical performance of specific field tests in 10-to-12-year-old school-aged team handball players
( MDPI , 2020 , Article)This study aimed to compare 10-to-12-year-old Qatari male athletes and assess body fat, body mass index, and physical fitness, as well as the difference of these measures between ages. Thirty-five youth handball players ... -
The effect of sport and physical activity on transport proteins: implications for cancer prevention and control
( Elsevier , 2021 , Article)The present contribution briefly overviews the major biological functions of the plasma membrane and of the transport proteins (transporters), which enable the movement of different molecules and substrates (either charged ... -
Cancer bioenergetics as emerging holistic cancer theory: the role of metabolic fluxes and transport proteins involved in metabolic pathways in the pathogenesis of malignancies. State-of-the-art and future prospects
( Elsevier , 2021 , Article)Cancer represents a global health concern, imposing a severe burden both from a societal and clinical perspective. Despite the latest advancements and achievements in the treatment and management of malignancy, cancer still ... -
Hemoglobin, hematocrit and plasma volume variations following combined sprint and strength: Effect of advanced age
( Elsevier , 2021 , Article)Objectives: The study investigated the effect of combined sprint and resistance training (CSRT) on red blood cell (RBC) count, hemoglobin (Hb), hematocrit (Hct), plasma volume (PV) variation at rest and during exercise. ... -
Exercise training increases telomerase reverse transcriptase gene expression and telomerase activity: A systematic review and meta-analysis
( Elsevier , 2021 , Article Review)Telomeres protect genomic stability and shortening is one of the hallmarks of ageing. Telomerase reverse transcriptase (TERT) is the major protein component of telomerase, which elongates telomeres. Given that short telomeres ...