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461
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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462
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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463
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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464
Evaluating the impact of the Minimization of Aggression and Violence (MoAV) intervention on mechanical restraint use in Qatar's acute mental health setting
منشور في 2025"…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. …"
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465
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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466
Antibody‐based methods for the measurement of α‐synuclein concentration in human cerebrospinal fluid – method comparison and round robin study
منشور في 2018"…The use of common reference CSF samples decreased the differences in α‐synuclein concentration between detection methods and technologies. …"
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467
Shear Strength Behaviors of Tire Shred-Dune Sand Admixtures
منشور في 2024احصل على النص الكامل
doctoralThesis -
468
Impact of the COVID-19 lockdown on lifestyle behaviors and their association with personality among adults in Qatar: A cross-sectional study
منشور في 2022"…The overall MD adherence decreased during lockdown (5.9 vs. 6.1, p < 0.001). …"
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469
Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels
منشور في 2024"…Annotation of metabolites was determined by retention times and specific MRMs for each compound. Results indicate that AuNPs treatment significantly impacted several metabolic pathways. …"
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470
High flow nasal oxygen (HFNO) in the treatment of COVID-19 infection of adult patients from – An emergency perspective: A systematic review and meta-analysis
منشور في 2023"…HFNO was associated with a significant decrease in mortality and intubation rates (0.28 (95% CI; 0.19, 0.39) and 0.28 (95% CI; 0.18, 0.41), respectively). …"
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471
Towards the development of an integrated model for examining the determinants affecting the use of Queue Management Solutions in Healthcare
منشور في 2021"…The results revealed that the new tool is beneficial, and the median times to finish the processes within the patient’s journey have significantly decreased. …"
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472
An Evaluation of Short-Term Effects of Different Soil Management Systems on Soil Physical, Structural and Hydraulic Properties and an Estimation and Optimization of Water Infiltrat...
منشور في 2022"…In both soils, tillage application decreased the densities, the aggregate mean weight diameter, the residual moisture content, and the fine pore volumes while increased the organic matter content, the porosity, the saturated hydraulic conductivity, and the amount of large pores of undisturbed soil. …"
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masterThesis -
473
Peripheral inflammatory and metabolic markers as potential biomarkers in treatment-resistant schizophrenia: Insights from a Qatari Cohort
منشور في 2024"…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. …"
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474
Brain microstructural changes support cognitive deficits in HIV uninfected children born to HIV infected mothers
منشور في 2020"…Decreased FA along with both increased and decreased MD in different brain regions was present in HUC compared to CHNM. …"
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article -
475
Angiotensin II AT1 receptor internalization, translocation and de novo synthesis modulate cytosolic and nuclear calcium in human vascular smooth muscle cells
منشور في 2003"…Overexpression of hAT1R and hAT1R GFP decreased both basal cytosolic and nuclear Ca2+. In normal hVSMCs and low hAT1R GFP overexpressing hVSMCs, Ang II (10 15 to 10 4 M) induced a dose-dependent sustained increase of [Ca]c and [Ca]n with an EC50 near 5 × 10 11 and 5 × 10 9 M, respectively. …"
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article -
476
Wild carrot pentane-based fractions suppress proliferation of human HaCaT keratinocytes and protect against chemically-induced skin cancer
منشور في 2017"…Results All fractions exhibited significant cytotoxicity, with HaCaT cells being 2.4–3 times less sensitive than HaCaT-ras A5 (benign tumorigenic), and HaCaT-ras II4 (malignant) cells. …"
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article -
477
Long-Haul Northeast Travel Disrupts Sleep and Induces Perceived Fatigue in Endurance Athletes
منشور في 2018"…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). …"
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478
Clotted blood samples in the neonatal intensive care unit: A retrospective, observational study to evaluate interventions to reduce blood sample clotting
منشور في 2023"…</p><h3>Aims</h3><p dir="ltr">To decrease the incidence of rejected blood samples taken for laboratory investigation as a result of clotted sample.…"
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479
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480
Mixed siliciclastic-carbonate-evaporite sedimentation in an arid eolian landscape: The Khor Al Adaid tide-dominated coastal embayment, Qatar
منشور في 2020"…The overall landward increase in salinity is accompanied by a decrease in the diversity of benthic fauna and their skeletal remains. …"
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article