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481
Mirizzi Syndrome: Mastering the Challenge, Characterization and Management Outcomes in a Retrospective Study of 60 Cases
منشور في 2024"…</p><h3>Results</h3><p dir="ltr">Among 8200 cholecystectomies, 60 cases of MS were identified, with type 1 being the most prevalent (90%). The mean age of the patients was 44 years, with male predominance (75%). …"
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482
Assessing the risk of angiotensin receptor blockers on major cardiovascular events: a systematic review and meta-analysis of randomized controlled trials
منشور في 2020"…The sensitivity analysis did not yield a particular group of patients at increased risk of cardiovascular events with ARBs. …"
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483
Exploring beyond numeric weight loss: The metabolic effects of semaglutide
منشور في 2025"…</u> It also significantly reduced ad libitum <u>energy intake</u>, decreased hunger, and increased satiety in multiple trials. …"
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484
Potential mechanisms of human recombinant arginase I (Co)-PEG5000 [HuArgI (CO) - PRG5000] induced cytotoxicity in glioblastoma cells. (c2018)
منشور في 2018"…The addition of chloroquine, an autophagy inhibitor, increased the sensitivity of cells to [HuArgI (Co)-PEG5000]-mediated arginine depletion at earlier time points. We also concluded that autophagy was activated in response to arginine depletion and plays a protective role at early time points. …"
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masterThesis -
485
Targeting arginine auxotrophy in pancreatic cancer cells using human recombinant arginase I-induced arginine deprivation. (c2017)
منشور في 2017"…We have established that autophagy, a process of cellular destruction activated in response to arginine deprivation, can be the leading cause of cell death at late drug incubation times. Hence, our study demonstrates that HuArgI (Co)-PEG5000 is a novel, potent and selective potential therapeutic approach for PC.…"
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masterThesis -
486
An empirical study on measuring operating efficiency and revenue of real estate assets in the UAE using data envelopment analysis
منشور في 2022"…The results showed that on average buildings are 75% relatively less efficient in maintenance, in term of revenue generation, than the benchmark set. Likewise, on average, the inefficient buildings are 60% relatively less efficient in insurance. …"
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487
The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties
منشور في 2025"…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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article -
488
Channel Network Control on Seasonal Lake Area Dynamics in Arctic Deltas
منشور في 2020"…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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489
Influence of co-current vapor flow on falling film over horizontal tube
منشور في 2021"…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. …"
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490
Sustainable Detoxification of Methylene Blue in Wastewater via Tea Residue Adsorption: Optimization and Kinetics
منشور في 2025"…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. …"
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491
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492
Throughput of ARQ protocols over Rician, Nakagami and MIMO block fading channels
منشور في 2020"…Keywords: ARQ, throughput, error probability, fading channels, space-time, multiple antennas, transmit diversity, MIMO, Rician, Nakagami.…"
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article -
493
Fixed-interval versus OCT-guided variable dosing of intravitreal bevacizumab in the management of neovascular age-related macular degeneration
منشور في 2012"…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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article -
494
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...
منشور في 2023"…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. …"
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495
Healthcare Professionals' Attitudes Toward Patients With Mental Illness: A Cross-Sectional Study in Qatar
منشور في 2022"…</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. …"
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496
Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes
منشور في 2021"…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. …"
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497
Using Data Mining and Text Mining Techniques in Predicting the Price of Real Estate Properties in Dubai
منشور في 2014"…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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498
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499
The Effect of High Dose Isoflavone Supplementation on Serum Reverse T3 in Euthyroid Men With Type 2 Diabetes and Post-menopausal Women
منشور في 2018"…Thyroid stimulating hormone (TSH) serum concentrations increased while free thyroxine (fT<sub>4</sub>) concentrations decreased with 3 months of SPI compared to SP supplementation for both men and women. rT<sub>3</sub> correlated with TSH in both studies (<i>p</i> = 0.03) but not with either fT<sub>3</sub> or fT<sub>4</sub>. fT<sub>3</sub> levels did not differ between the SPI and SP preparations.…"
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500
Associations between Bone Mineral Density and WOMAC Scores in Healthy Individuals: Insights from the Qatar Biobank
منشور في 2024"…</p><h3>Results</h3><p dir="ltr">After controlling for sociodemographic variables, total body and specific BMD measures did not predict pain. However, BMD measures significantly contributed to predicting stiffness after controlling for sociodemographic variables (R<sup>2</sup> = 0.065, ΔF(7, 1724) = 3.34, p= 0.002), with a higher total body BMD associated with increased stiffness and a higher trunk BMD associated with decreased stiffness. …"