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281
Understanding the progress and challenges in the fields of thermo-catalysis and electro-catalysis for the CO<sub>2</sub> conversion to fuels
منشور في 2023"…Generally, higher temperatures in thermo-catalytic process or electrical potentials in electrocatalytic process are used to increase the reaction rate to get the desired results and to overcome the kinetic barrier. …"
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282
Simulation of the size-composition distribution of atmospheric nanoparticles over Europe
منشور في 2018"…The ground level concentrations of particles with a diameter larger than 100 nm (N100) were reproduced with a daily normalized mean error of 40 % and a daily normalized mean bias of −20 %. …"
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283
A combined experimental and computational study of the effect of electron irradiation on the transport properties of aromatic and aliphatic molecular self-assemblies
منشور في 2022"…This structural modification also results in a significant decrease of the current. These findings can be useful in understanding the processes during the electron irradiation of molecular SAMs.…"
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284
The impact of climatic conditions on the carcinogenic and non-carcinogenic risk of BTEX compounds: A systematic review and meta-analysis
منشور في 2024"…Based on the results of the meta-analysis also, risk values related to occupational and environmental exposures in summer were often higher than those in winter. These results can be used by policymaking to focus on decreasing exposure to BTEX, particularly in climatic conditions with higher hazards.…"
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285
Correlating the rheological and magneto-optical properties of cobalt substituted magnetite ferrofluids (Co<sub>x</sub>Fe<sub>1−x</sub>Fe<sub>2</sub>O<sub>4</sub>) with theoretical...
منشور في 2023"…Magnetic measurements using SQUID studies illustrate the decrease in saturation magnetization from 56.4 emu/g to 41.08 emu/g, with increase in the concentration of the cobalt dopant. …"
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286
DNAJB3 attenuates metabolic stress and promotes glucose uptake by eliciting Glut4 translocation
منشور في 2019"…Here, we assessed the effect of DNAJB3 on the respective activity of JNK1 and IKKβ in cell-based assays. Using JNK1- and IKKβ-dependent luciferase reporters, we show a marked decrease in luciferase activity by DNAJB3 in response to PMA and TNF-α that was consistent with a decrease in the translocation of p65/NF-κB to the nucleus in response to LPS. …"
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287
Application of Zn-ferrite towards thermochemical utilization of carbon dioxide: A thermodynamic investigation
منشور في 2021"…The model developed is evaluated by using HSC Chemistry software. Effects of the influence of the ratio of the molar flow rate of inert sweep gas to the molar flow rate of ZnFe<sub>2</sub>O<sub>4</sub>, thermal reduction temperature, and gas-to-gas heat recovery effectiveness on thermal energy required to drive the cycle and the solar-to-fuel energy conversion efficiency are investigated at reduction nonstoichiometry of 0.1. …"
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288
Assessment of resin systems as solution for well integrity challenge in carbonate reservoirs
منشور في 2023"…Cement failures might lead to leakages that can seep through the cement pathways; sealant materials are used to plug these pathways. The actual and real-time disputes are mainly dependent on the technical approaches currently available to limit the main causes of well integrity deficiency. …"
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289
Immunomodulatory effects of tumor Lactate Dehydrogenase C (LDHC) in breast cancer
منشور في 2025"…</p><h3>Methods</h3><p dir="ltr">TIMER AND TIDE deconvolution methods were used to investigate the relationship between tumor <i>LDHC</i> expression, immune cell infiltration and T cell dysfunction. …"
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290
Which factor explains the life‐history of <i>Xanthium strumarium</i> L., an aggressive alien invasive plant species, along its altitudinal gradient?
منشور في 2022"…Among climatic variables, mean yearly temperature, mean annual yearly humidity, and mean day length in hours, while in soil variables, organic matter and nitrogen percentage significantly affect the phenological and morphological stages. …"
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291
Anti-angiogenic effect of nano-formulated water soluble kaempferol and combretastatin in an in vivo chick chorioallantoic membrane model and HUVEC cells
منشور في 2023"…The solvent evaporation method was used to synthesize the nano-formulated water-soluble kaempferol and combretastatin and characterized using various analyses such as dynamic light scattering (DLS) and Fourier-transform infrared (FT-IR) spectroscopy.The anti-angiogenic activity of native, nano-formulated water-soluble kaempferol and combretastatin was investigated by cell viability on HUVEC and A498 cell lines, while chick chorioallantoic membrane (CAM) assay was utilized to assess morphometric and histopathological changes, and mRNA expressions of VEGF-A and FGF2 using qRT-PCR. …"
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292
Effect of speed and gradient on plantar force when running on an AlterG® treadmill
منشور في 2021"…<h3>Background</h3><p dir="ltr">Anti-gravity treadmills are used to decrease musculoskeletal loading during treadmill running often in return to play rehabilitation programs. …"
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293
Boron doped silver-copper alloy nanoparticle targeting intracellular S. aureus in bone cells
منشور في 2020"…The binding of the targeting nanoparticles to infected osteoblasts as well as the visualization of live/dead bacteria due to treatment was carried out using fluorescence microscopy. MTT assay was used to determine the viability of osteoblasts with different concentrations of the nanoparticles.…"
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294
Novel Wire Gripper for Robotics Picking of Small Green Parts From Powder Bed of Binder Jet Metal Additive Manufacturing
منشور في 2025"…Our research results in a special gripper system that is suitable for robotics used for safe depowdering operations. The adaptable gripper system fits different part geometries to decrease the chance of component deformation or fracturing. …"
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295
Qatar’s immigrants at higher risk of diabetes
منشور في 2015"…The researchers recruited 191 participants with no record of T2D, measured their glycated haemoglobin levels and used a questionnaire to obtain socio-demographic information about them, such as age, gender, ethnicity and level of educational attainment. …"
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296
Epidemiological and clinical characteristics of fall-related injuries: a retrospective study
منشور في 2020"…</p> <h2>Results</h2> <p>A total of 4040 patients with fall-related injuries were identified in the study duration which corresponds to the rate of 2.34 per 10,000 population. Although the rate of fall-related injuries decreased over the years, the average number of patients per year remained high accounting for 32% of the hospitalized patients with moderate to severe injuries. …"
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297
Changes in the burden and underlying causes of heart failure in the Eastern Mediterranean Region, 1990–2019: an analysis of the Global Burden of Disease Study 2019
منشور في 2023"…FindingsIn contrast with the decreasing trend of HF burden globally, EMR showed an increasing trend. …"
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298
A potential therapeutic agent for sickle cell anaemia
منشور في 2016"…</p><p>“The results suggest that these antioxidant enzymes can be used as effective therapeutic targets for the treatment of this disease. …"
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299
Impact of staying at home measures during COVID-19 pandemic on the lifestyle of Qatar’s population: Perceived changes in diet, physical activity, and body weight
منشور في 2021"…Participants reported increased sitting/reclining time (1.94 h/day mean increase), screen times (2.05 h/day mean increase) with p < 0.001, and decreased exercise time (0.11 h/day mean reduction) with p < 0.001. …"
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300
Investigating the Impact of Salinity Variations on Aerobic Granules and Activated Sludge Flocs: Emphasis on Performance Monitoring and Identification of Influential Salinity Compon...
منشور في 2022"…Moreover, most studies have been limited in the different salts used, reducing the ability to understand the characteristics of salinity (molar concentration, ionic strength, density etc) that leads to system failure. …"