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581
An empirical correlation-based model to predict solid-fluid phase equilibria and phase separation of the ternary system CH<sub>4</sub>-CO<sub>2</sub>-H<sub>2</sub>S
منشور في 2021"…A model based on equilibrium stage separation unit was used to study the separation of three different feed compositions of this ternary system. …"
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582
Application of Fe<sub>3</sub>O<sub>4</sub> magnetite nanoparticles grafted in silica (SiO<sub>2</sub>) for oil recovery from oil in water emulsions
منشور في 2021"…An excellent %<sub>hdem</sub> 90% was achieved C<sub>oil</sub> in the range 50 e2000 mg/L. Using an MD<sub>dose</sub> as low as 10 mg/L attained a %<sub>hdem</sub> in the range of 93% - 4.3% for O/W mixtures with C<sub>oil</sub> < 2000 mg/L, which slightly decreased to ~90% for higher concentrations. …"
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583
Nebulized fentanyl for respiratory symptoms in patients with COVID-19 (ventanyl trial)
منشور في 2022"…Some methods such as nebulized lidocaine, magnesium sulfate, and systemic opioids have been used to manage the respiratory symptoms. It has been previously shown that fentanyl nebulizer has beneficial effect in improving shortness of breath in patients with chronic obstructive pulmonary disease. …"
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584
Trace element composition of size-fractionated suspended particulate matter samples from the Qatari Exclusive Economic Zone of the Arabian Gulf: the role of atmospheric dust
منشور في 2020"…Size-fractionated suspended particles were collected using net tows with mesh sizes of 50 and 200 µm to examine the composition of small- and large-size plankton populations. …"
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585
Identification of genetic determinants of breast cancer immune phenotypes by integrative genome-scale analysis
منشور في 2017"…The mutation and neoantigen load progressively decreased from ICR4 to ICR1 but could not fully explain immune phenotypic differences. …"
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586
Examining time-to-transport decisions in Emergency Medical Services
منشور في 2024"…This study examined factors affecting the time elapsed between EMS dispatch and ambulance readiness for the next emergency call using retrospective data from Hamad Medical Corporation Ambulance Service (HMCAS).…"
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587
COVID-19 biomarkers for severity mapped to polycystic ovary syndrome
منشور في 2020"…Statistics were performed using Graphpad Prism 8.0.</p><p dir="ltr">Correction: COVID-19 biomarkers for severity mapped to polycystic ovary syndrome: <a href="https://doi.org/10.1186/s12967-021-02782-w" rel="noreferrer" target="_blank">https://doi.org/10.1186/s12967-021-02782-w</a>, published online 15 March 2021.…"
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588
3D Tissue-Engineered Vascular Drug Screening Platforms: Promise and Considerations
منشور في 2022"…Cell-based drug screening is widely accepted and extensively used and can provide an initial indication of the drugs' therapeutic efficacy and potential cytotoxicity. …"
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589
Visible Light Photocatalytic Activity of Ag/WO<sub>3</sub> Nanoparticles and its Antibacterial Activity Under Ambient Light and in The Dark
منشور في 2022"…Herein, the catalytic and antimicrobial activities of nanocrystalline silver (Ag), supported on tungsten oxide (WO<sub>3</sub>) nanoparticles prepared using the deposition-precipitation synthesis technique, are studied. …"
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590
Stability enhancement of Al<sub>2</sub>O<sub>3</sub>, ZnO, and TiO<sub>2</sub> binary nanofluids for heat transfer applications
منشور في 2024"…Initially, deionized water was used as base fluid for stability analysis, but nanoparticles agglomerate within after 5 h. …"
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591
Exendin-4 alleviates steatosis in an in vitro cell model by lowering FABP1 and FOXA1 expression via the Wnt/-catenin signaling pathway
منشور في 2022"…We aimed to investigate these mechanisms using an in vitro model of steatosis treated with the GLP-1R agonist Exendin-4 (Ex-4). …"
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592
Myeloid Cells in Circulation and Tumor Microenvironment of Colorectal Cancer Patients with Early and Advanced Disease Stages
منشور في 2020"…Lastly, we found that levels of GMCs decreased, while IMCs increased in the TME with tumor budding. …"
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593
Performance evaluation of 3D-printed PLA composites doped with WE43 magnesium alloy for bone tissue engineering applications
منشور في 2025"…PLA and WE43 composite filaments, containing various magnesium concentrations (5 %, 10 %, and 15 %), were produced using solvent evaporation and extrusion methods. …"
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594
Serum 25-hydroxyvitamin D concentrations are inversely associated with body adiposity measurements but the association with bone mass is non-linear in postmenopausal women
منشور في 2021"…<p dir="ltr">Vitamin D deficiency has been linked to increased adiposity and decreased bone density. It is not known if vitamin D is linked to adiposity measures and bone mass in postmenopausal Qatar women. …"
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595
The Effects of Spirulina Supplementation on Cardiometabolic Risk Factors: A Narrative Review
منشور في 2024"…The diverse nutrients, such as phycocyanin, gamma-linolenic acid, and vitamin B12, present in spirulina contribute to its cardiometabolic benefits. The doses used are heterogeneous for most studies, ranging from 1 to 8 grams daily, but most studies administered spirulina for 3 months to observe an effect. …"
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596
Assessment of Knowledge, Attitude and Practice towards Sustainability Aspects among Higher Education Students in Qatar
منشور في 2022"…Results were analyzed using statistical tools to show that over 80% grasp sustainability-related knowledge. …"
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597
Assessing the Built Environment’s Reflectivity, Flexibility, Resourcefulness, and Rapidity Resilience Qualities against Climate Change Impacts from the Perspective of Different Sta...
منشور في 2023"…The results were analyzed using several statistical tests. The results revealed that advancing public understanding and management tools, reducing economic losses, and developing necessary plans still require improvement. …"
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598
Recyclable polyaspartate-coated magnetic nanoparticles for sustainable control of calcite and barite scales in oilfield operations
منشور في 2026"…<p dir="ltr">Scale formation is a major challenge in hydrocarbon production, leading to decreased efficiency, equipment damage, and increased operational costs. …"
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599
Microwave-Assisted Solvothermal Synthesis of Mo-Doped TiO<sub>2</sub> with Exceptional Textural Properties and Superior Adsorption Kinetics
منشور في 2022"…Herein, TiO<sub>2</sub> doped with different Mo contents (Mo-TiO<sub>2</sub>) was synthesized via a microwave-assisted solvothermal approach. This was achieved using titanium (IV) butoxide and molybdenum (III) chloride as a precursor and dodecylamine as a surface directing agent. …"
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600
Development of new reliability metrics for microgrids: Integrating renewable energy sources and battery energy storage system
منشور في 2023"…These scenarios include the impact of using BESS, changes in RES availability, and variations in RES output. …"