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)

“…Of tobacco users in our sample, 36% reported increased tobacco use since the start of home confinement, while 41.6% of alcohol users reported decreased alcohol use. 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. …”

Healthcare Professionals' Attitudes Toward Patients With Mental Illness: A Cross-Sectional Study in Qatar by Suhaila Ghuloum (796180)

“…</p> <h3>Results</h3> <p>A total of 406 nurses and 92 doctors participated in the study. The nurses' mean MICA score was significantly higher than that of the physicians. …”

Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes by Abedalkader Alkhouzaam (15842647)

“…All membranes were characterized in terms of chemical structure, morphology, hydrophilicity, porosity and mean pore size. Cross-section SEM images showed the distribution of GO and rGO-DDA between the pores and on the polymer walls. …”

Evaluating the impact of the Minimization of Aggression and Violence (MoAV) intervention on mechanical restraint use in Qatar's acute mental health setting by Ananth Nazarene (21239912)

“…The percentage of restrained patients decreased from 25 % to 4 %, p = (<0.001). The mean duration of restraint incidents slightly increased from 59.1 min in 2016 to 61.3 min in 2021, though this change was not statistically significant. …”

One-year experience of hybrid closed-loop system in children and adolescents with type 1 diabetes previously treated with multiple daily injections: drivers to successful outcomes by Goran Petrovski (129836)

“…HbA1c decreased from 8.2 ± 1.4% (66 ± 15.3 mmol/mol) at baseline, to 6.7 ± 0.5% (50 ± 5.5 mmol/mol) at 3 months (p = 0.02) and remained stable to 7.1 ± 0.6 (54 ± 6.6 mmol/mol) at 12 months (p = 0.02). …”

The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties by Jelena Eric (21015107)

“…<h3>Objective</h3><p dir="ltr">The aim of this study is to investigate how hydrogen peroxide (HP) treatments affect enamel porosity and protein structure, as well as their impact on tooth shade and hardness over time. </p><h3>Methods</h3><p dir="ltr">Fifty healthy teeth were collected from adult patients. …”

Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels by Haya Al-Sulaiti (5449256)

“…Annotation of metabolites was determined by retention times and specific MRMs for each compound. Results indicate that AuNPs treatment significantly impacted several metabolic pathways. …”

Clinical characteristics and outcome of children with acute cryptorchid testicular torsion: A single-center, retrospective case series study by Zlatan Zvizdic (9212371)

“…Preoperative color Doppler ultrasonography revealed absent or decreased testicular blood flow in the affected testes in 7/8 of patients. …”

Nonlinear Control of Brushless Dual-Fed Induction Generator With a Flywheel Energy Storage System for Improved System Performance by Mohammed Hamidat (3722086)

“…After optimization, the SMC settling time was significantly reduced from 0.7 seconds to 19.97 milliseconds, achieving a 96.9% improvement in response speed, while its steady-state error decreased from 0.48 to 0.06, marking an 87.5% reduction in tracking error. …”

Optimization of Vapor Compression Refrigeration Cycles with Clathrate Hydrates Thermal Energy Storage by Gadalla, Akram Mohamed

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Vitamin D association with coagulation factors in polycystic ovary syndrome is dependent upon body mass index by Abu Saleh Md Moin (6189512)

“…In addition, coagulation variables such as thrombin-activatable fibrinolysis inhibitor, plasminogen activator inhibitor-1 (PAI-1), D-dimer, Antithrombin and thrombomodulin have been reported to be elevated in PCOS compared to control subjects, and the functional coagulation tests including prothrombin time, thrombin time and fibrin degradation products may be predictive of PCOS. …”

Occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits by Fedae A. Alhaddad (14152161)

“…</p> <h2>Methods</h2> <p>The occurrences of the phthalate esters in the collected bottled water samples were carried out at different temperatures (30, 50, and 60 °C), and analyzed using gas chromatography-mass spectrometry analysis - selected ion monitoring. …”

Assessing the risk of angiotensin receptor blockers on major cardiovascular events: a systematic review and meta-analysis of randomized controlled trials by Yara Wanas (8744844)

“…</p><h3>Results</h3><p dir="ltr">Forty-five RCTs comprising of 170,794 participants were included in the analysis. …”

Effects of financial turmoil on financial integration and risk premia in emerging markets by Boubakri, Salem

“…Accordingly, we estimate a variant of the International Asset Pricing Model developed by Carrieri et al. (2007), allowing for time-varying stock market integration, in which we include the foreign currency risk. …”
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Underrepresentation of racial and ethnic minorities in cascade testing for hereditary cancer syndromes by Muhammad Danyal Ahsan (14488278)

“…Cascade testing is critical as relatives found to carry a pathogenic gene variant have the opportunity to pursue targeted cancer risk reduction and early detection, decreasing cancer-associated morbidity and mortality. …”

The effect of the local inertial term on the fluid flow in channels partially filled with porous material by Abu-Hijleh, B.A.

“…Also, it is found that the deviation between the predictions of the transient and the quasi-steady models is more significant in the porous domain and the deviation decreases as the time proceeds.…”
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Peripheral inflammatory and metabolic markers as potential biomarkers in treatment-resistant schizophrenia: Insights from a Qatari Cohort by Mohamed Adil Shah Khoodoruth (14589828)

“…Multivariate analysis highlighted significant differences in platelet count, mean platelet volume (MPV), TG, HbA1c, BMI, neutrophil/lymphocyte ratio (NLR), monocyte/lymphocyte ratio (MLR), and ferritin among the groups. …”

Brain microstructural changes support cognitive deficits in HIV uninfected children born to HIV infected mothers by Yadav, Santosh K.

“…Decreased FA along with both increased and decreased MD in different brain regions was present in HUC compared to CHNM. …”
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Enhanced PSO-Based NN for Failures Detection in Uncertain Wind Energy Systems by Khaled Dhibi (16891524)

“…The proposed methodology improves the diagnosis abilities, reduces the computation time, and decreased the storage cost. The presented experimental results prove the high performance of the suggested paradigms in terms of computation time and accuracy.…”

Graph-Guided Regularized Regression of Pacific Ocean Climate Variables to Increase Predictive Skill of Southwestern U.S. Winter Precipitation by Tejedor, Alejandro

“…Physics-based deterministic models show limited ability to predict precipitation as the lead time increases, due to imperfect representation of physical processes and incomplete knowledge of initial conditions. …”
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