The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties حسب Ovidiu, Ciobanu

"…ObjectiveThe 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. MethodsFifty healthy teeth were collected from adult patients. …"
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Techno-economic and environmental analyses of the pyrolysis of food waste to produce bio-products حسب Mohammad Alherbawi (14155767)

"…Using an established empirical model, the effect of these parameters on product yields, techno-economic implications, energy requirements, and life cycle analysis (LCA) outcomes were investigated. …"

Channel Network Control on Seasonal Lake Area Dynamics in Arctic Deltas حسب Tejedor, Alejandro

"…This shrinkage signal, easily extracted from remote sensing observations, may offer the means to constrain estimates of lacustrine methane emissions and to develop process-based estimates of depth to permafrost on arctic deltas.…"
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Spatial, temporal, and demographic patterns in prevalence of chewing tobacco use in 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Diseas... حسب Parkes J Kendrick (9714851)

"…Among females, none of these 12 countries had significant decreases in prevalence of chewing tobacco use, whereas seven of 12 countries had a significant decrease in the prevalence of tobacco smoking use for the period. …"

Supplementation of retrobulbar block with clonidine in vitreoretinal surgery حسب Abi Nader, Elie

"…Conclusions The addition of clonidine 0.5 μg/kg to the local anesthetics of a retrobulbar block for vitreoretinal surgery decreases the frequency of postoperative pain and prolongs the time of analgesia.…"
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Influence of co-current vapor flow on falling film over horizontal tube حسب Furqan Tahir (14429547)

"…First, the liquid load is varied between 0.02 and 0.05 kg/(m·s), and its effects on the film thickness and the wetting time are calculated, presented and discussed. Afterwards, the impact of co-current vapor flow on film distribution, wetting time, minimum thickness and its location are quantified and examined by increasing the vapor velocity up to 6 m/s with 2 m/s intervals. …"

Sustainable Detoxification of Methylene Blue in Wastewater via Tea Residue Adsorption: Optimization and Kinetics حسب Farah F. Salameh (21797300)

"…The impact of various parameters on MB removal was assessed, including solution pH, adsorbent dosage, pollutant concentration, and contact time. Optimal conditions were identified as pH 10, a dosage of 4 g/L, a concentration of 100 mg/L, and a contact time of 2 h, achieving nearly 99% removal efficiency at 25 °C. …"

Self-Organization and Multi-Agent Reinforcement Learning for Taxi Dispatch حسب Alshamsi Omran, Aamena Ali Ahmed

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Throughput of ARQ protocols over Rician, Nakagami and MIMO block fading channels حسب Zummo, Salam A.

"…Keywords: ARQ, throughput, error probability, fading channels, space-time, multiple antennas, transmit diversity, MIMO, Rician, Nakagami.…"
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Fixed-interval versus OCT-guided variable dosing of intravitreal bevacizumab in the management of neovascular age-related macular degeneration حسب El-Mollayess, Georges M.

"…Results Compared to baseline, variable dosing had a mean improvement in BCVA of 11.0 letters after 12 months vs 9.2 letters for fixed-interval dosing (P = .81). …"
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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... حسب 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 حسب 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 حسب 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 حسب 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. …"

Using Data Mining and Text Mining Techniques in Predicting the Price of Real Estate Properties in Dubai حسب Khashan, Deena Younis Abo

"…It is found that the results of linear regression prediction have been improved significantly after adding text mining to the experiments. The root mean squared errors RMSEs for all data subsets have decreased leading to enhancing the accuracy of prediction. …"
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Genotypic and phenotypic characterization of Candida albicans Lebanese hospital isolates resistant and sensitive to caspofungin حسب Toutounji, Maggie

"…The fungus Candida albicans is both a commensal and an opportunistic human pathogen, present as part of the normal human microflora causing serious mucosal, and systemic life threatening infections. The antifungal drug caspofungin of the echinocandin family is the latest generation of antifungal drugs to be developed. …"
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Caloric restriction reduces trabecular bone loss during aging and improves bone marrow adipocyte endocrine function in male mice حسب Charlotte Rinne (18766966)

"…<h3>Introduction</h3><p dir="ltr">Caloric restriction (CR) is a nutritional intervention that increases life expectancy while lowering the risk for cardio-metabolic disease. …"

Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels حسب 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. …"

Assessing the Electricity Production Capacities of Emerging Markets for the Sustainable Investments حسب Tamer Aksoy (17947802)

"…<p dir="ltr">It is essential to supply the necessary electricity for both the increase in the quality of life of the citizens and the stable growth of the country’s economy. …"

Assessment of Knowledge, Attitude and Practice towards Sustainability Aspects among Higher Education Students in Qatar حسب Shaikha R. Al-Nuaimi (19488232)

"…<p dir="ltr">Sustainable development necessitates that societies design activities to meet human needs while protecting the planet’s life-support systems in consideration of depleting natural resources and concern for the state of the resources and climate. …"