The Triple “S” Impact of COVID-19: Nationwide Evidence of the Impact of the Stress Associated With Restrictive Measures on Substance Use, Sleep, and Social Connectedness in Qatar... by Muna Abed Alah (18171346)

“…Concerning sleep, 46.1% reported an increase in average sleep duration per day (0.77 h mean increase, 95% CI: 0.66-0.88, P<0.001), and a third of participants reported poorer sleep quality. …”

The role of objectively recorded smartphone usage and personality traits in sleep quality by Aftab Alam (5158601)

“…<h3>Purpose</h3><p dir="ltr">The proliferation of smartphones, accompanied by internet facilities, has contributed to a decrease in sleep quality over the last decades. It has been revealed that excessive internet usage impacts the physical and mental health of smartphone users, while personality traits (PT) could play a role in developing internet addictions and preventing their negative effects. …”

Hypoglossal nerve stimulation for obstructive sleep apnea in adults: An updated systematic review and meta-analysis by Warda A. Alrubasy (18021700)

“…Patient-reported outcomes showed decreased Epworth Sleepiness Scale (ESS) scores by −5.02 (short term) and −4.90 (long term) and improved Functional Outcomes of Sleep Questionnaire (FOSQ) scores by 3.58 (short term) and 3.28 (long term). …”

Long-Haul Northeast Travel Disrupts Sleep and Induces Perceived Fatigue in Endurance Athletes by Christopher J. Stevens (3391547)

“…After this time, sleep duration returned to baseline for several days until it was very likely decreased on the night prior to competition (-1.2 ± 1.0 h; 1.18; ±0.93). …”

A slow but steady nanoLuc: R162A mutation results in a decreased, but stable, nanoLuc activity by Wesam S. Ahmed (10170053)

“…Mutation of the two residues in NLuc revealed a decreased but stable activity of the R162A, but not Q32A, mutant NLuc in live cell and in vitro assays performed using lysates prepared from cells expressing the proteins and with the furimazine substrate. …”

Self-Reported Sleep and Exercise Patterns in Patients with Schizophrenia: a Cross-Sectional Comparative Study by Nancy Kiwan (12451992)

“…Patients with schizophrenia have shown abnormal sleep patterns and decreased physical activity that were linked to their psychopathology and physical health. …”

Decreased Interfacial Dynamics Caused by the N501Y Mutation in the SARS-CoV-2 S1 Spike:ACE2 Complex by Wesam S. Ahmed (10170053)

“…Here, we dissect the mechanism underlying the increased binding affinity of the N501Y mutant for ACE2 using molecular dynamics (MD) simulations of the available ACE2-S1-RBD complex structure (6M0J) and show a prolonged and stable interfacial interaction of the N501Y mutant S1-RBD with ACE2 compared to the wild type S1-RBD. …”

The Effect of Experimental Recuperative and Appetitive Post-lunch Nap Opportunities, With or Without Caffeine, on Mood and Reaction Time in Highly Trained Athletes by Mohamed Romdhani (9606357)

“…<h3>Purpose</h3><p dir="ltr">To investigate the effects of placebo (PLA), 20 min nap opportunity (N20), 5mg·kg⁻¹ of caffeine (CAF), and their combination (CAF+N20) on sleepiness, mood and reaction-time after partial sleep deprivation (PSD; 04h30 of time in bed; <i>study 1</i>) or after normal sleep night (NSN; 08h30 of time in bed; <i>study 2</i>).…”

Notch Signaling Inhibition by LY411575 Attenuates Osteoblast Differentiation and Decreased Ectopic Bone Formation Capacity of Human Skeletal (Mesenchymal) Stem Cells by Nihal AlMuraikhi (6002234)

“…Chemical biology approaches using small molecule inhibitors targeting specific signaling pathways are useful tools to dissect the molecular mechanisms governing stem cell differentiation and for their possible use in therapeutic interventions. …”

Corrigendum: Decreased interfacial dynamics caused by the N501Y mutation in the SARS-CoV-2 S1 spike:ACE2 complex by Wesam S. Ahmed (10170053)

“…This sentence previously stated:</p><p dir="ltr">“Representative trajectory movies of the 10 ns simulations were prepared from 5,000 trajectory snapshots (50 snapshots/ns) generated using VMD Movie Maker Tool (Humphrey et al., 1996) and compiled using Fiji distribution of ImageJ software (Schindelin et al., 2012) at a frame rate of 300 fps.”…”

Do near-bedtime usage of smartphones and problematic internet usage really impact sleep? A study based on objectively recorded usage data by Aftab Alam (5158601)

“…</p><h3> Results</h3><p dir="ltr">The multivariate linear regression showed that the increase in PIU (β = −0.231, p < 0.001) and smartphone usage two hours before sleep (β = −0.246, p < 0.001) led to decrease in sleep duration. …”

Influence of temperature on tire-pavement noise in hot climates: Qatar case by Okan, Sirin

“…There is an apparent trend of decreasing temperature coefficient with increasing mean texture depth of dense graded asphalt pavements. …”
Get full text
Get full text
Get full text

Serum Vitamin D Concentration ≥75 nmol/L Is Related to Decreased Cardiometabolic and Inflammatory Biomarkers, Metabolic Syndrome, and Diabetes; and Increased Cardiorespiratory Fitn... by Vijay Ganji (8710491)

The Effect of Number of Corrugation on Crashworthiness of Aluminum Corrugated Tube under Lateral Loading by Hozhabr Mozafari (18891892)

“…Moreover, the plateau region in load-displacement curve decreases by increasing the number of corrugations and therefore the tube reaches its densification point earlier. …”

Internet Searches for Medical Symptoms Before Seeking Information on 12-Step Addiction Treatment Programs: A Web-Search Log Analysis by George Nitzburg (18614989)

“…<h3>Background</h3><p dir="ltr">Brief intervention is a critical method for identifying patients with problematic substance use in primary care settings and for motivating them to consider treatment options. …”

The impact of COVID‐19 pandemic lockdown on smoking habits and lifestyle: A cross‐sectional study by Almu'atasim Khamees (11875640)

“…We also noticed that there is a significant relationship between those who started smoking and are <18 years, living in a family consisting of seven members or more, being unemployed, having a diploma or bachelor's degree in a health‐related major, having no chronic illnesses, increasing of daily meals or night meals, almost daily sugar intake, starting to follow social media account concerning physical activity, exercising once or twice a week, and sleeping more hours per day since the beginning of the pandemic (<i>p</i> < 0.01).…”

Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar by Shikha, Patel

“…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …”
Get full text
Get full text
Get full text

Evidence-based safety education and training for traffic injury prevention by Abbas Motevalian (338825)

“…Bicycle skill training for children and youth may increase their safety knowledge, but not necessarily improve their behavior or decrease their injury rates. Non-legislative interventions were found effective for increasing observed helmet use among bicyclists. …”

Intracellular Ionic Strength Sensing Using NanoLuc by Tausif Altamash (3846304)

“…Importantly, the decrease in the NanoLuc activity observed at higher ionic strengths could be reversed by decreasing the ionic strength of the reaction, thus making it suitable for sensing intracellular ionic strength alterations. …”

Efficacy and safety of using Etelcalcetide for controlling secondary hyperparathyroidism by Tarek Fouda (18472476)

“…</p><h3>Results</h3><p dir="ltr">Patients within the PTH target range of 150 to 500pg/ml improved from 8% in June 2021 (on Cinacalcet) to 54% in June 2023 (on Etelcalcetide) (p=0 .0032) while patients with PTH above 1,000pg/ml decreased from 50% to 4% during the same period (p=0.00001) (Figure 2). …”