Fabrication of titanium dioxide nanomaterial for implantable highly flexible composite bioelectrode for biosensing applications by Omnia Mohamed (15862753)

“…The fabricated electrodes appeared to have a smooth surface, as seen in the scanning electron microscope micrographs, compared with electrodes in the literature. Long-time stability tests revealed an overall decrease in impedance and an increase in the charge capacity up to 475% of the initial value within three weeks.…”

Formation of Trihalomethanes during Seawater Chlorination by Ahmed Abdel-Wahab (1748986)

“…Results of kinetic experiments have shown that concentrations of THMs increased rapidly with time during the first half hour. Chlorination of seawater has shown significant increase in total THMs (TTHMs) and in bromoform concentrations. …”

Modeling the influence of daily temperature and precipitation extreme indices on vegetation dynamics in Katsina State using statistical downscaling model (SDM) by Mohammad Hadi Ahmad (17632248)

“…The results indicate that the statistical downscaling model (SDSM) is performing satisfactorily in predicting maximum and minimum temperatures, along with precipitation, for the time horizon of the simulation. Mean precipitation of 1.98 mm (RCP2.6), 2.03 mm (RCP4.5), and 2.07 mm (RCP8.5) was revealed in the study area. …”

Efficient Integration of Direct Air Capture With HVAC System by Yasser Mohamed Mohamed Taher Abdellatif (20741534)

“…Further advancements with SBA-15-TEPA in DAC-HVAC setup reduce the LCOD to $208 per ton, while using NbOFFIVE in amine free DAC system achieves the most economical rate at $184 (reduction by 58% of initial DAC LCOD) per ton. …”

The cost associated with the development of the antimicrobial stewardship program in the adult general medicine setting in Qatar by Dina Abushanab (10696501)

“…The operational costs decreased with the developed ASP. Whereas antimicrobial consumption and resource utilisation, and their associated costs, appear to have declined with the developed ASP, with a cost saving of QAR458 (US$125) per 100-patient beds, the avoided cost was negative, by QAR4,807 (US$1,317) per 100-patient beds, adding to a total QAR4,224 (US$1,160) increase in the 100-patient beds cost after ASP development.…”

Assessment of resin systems as solution for well integrity challenge in carbonate reservoirs by Albertus Retnanto (17269237)

“…Additionally, the transit time showed a 26–42% range decrease in the travel period, indicating that the cement was stronger under increased pressure and temperature. …”

Orthodontic camouflage versus orthodontic-orthognathic surgical treatment in borderline class III malocclusion: a systematic review by Maged S. Alhammadi (14150757)

“…Regarding the vertical jaw relation, one study reported a significant decrease in mandibular plane inclination in OC and a significant increase in OOS. …”

Utilization of the internet for physical activity and diet information and its influence on pregnant women’s lifestyle habits in Qatar by Ayman Al-Dahshan (8962568)

“…</p><h3>Results</h3><p dir="ltr">A total of 327 pregnant women (mean age of 29.5 years ± 4.0) completed and returned the questionnaire (response rate: 87.5%). …”

Dynamic Change in Insulin Resistance Induced by Free Fatty Acids Is Unchanged Though Insulin Sensitivity Improves Following Endurance Exercise in PCOS by Myint Myint Aye (6404327)

“…Skewed data were log transformed and expressed as mean ± SEM.</p><h3>Results</h3><p dir="ltr">Before exercise, women with PCOS had a higher HOMA-IR and lower VO2 max than controls. …”

Crunching the numbers of food poisoning in Qatar by Nature Research (16552612)

“…The trend was generally decreasing during the investigated time period, which can be attributed to improvements in the food chain and sanitation in the country, they say.…”

The global, regional, and national burden of stomach cancer in 195 countries, 1990–2017: a systematic analysis for the Global Burden of Disease study 2017 by Arash Etemadi (330880)

“…The highest age-standardised incidence rates in 2017 were seen in the high-income Asia Pacific (29·5, 28·2–31·0 per 100 000 population) and east Asia (28·6, 27·3–30·0 per 100 000 population) regions, with nearly half of the global incident cases occurring in China. …”

Thermally Conductive Polyethylene/Expanded Graphite Composites as Heat Transfer Surface: Mechanical, Thermo-Physical and Surface Behavior by Patrik Sobolčiak (4401364)

“…This enhanced surface wettability was retained over a long time with only a 9% and 18% decrease in RF and corona plasma-treated samples’ surface energy after two months. …”

Deep Learning-Based Fault Diagnosis of Photovoltaic Systems: A Comprehensive Review and Enhancement Prospects by Majdi Mansouri (16869885)

“…The performance of the FDD method depends mainly on the quality of the extracted features including real-time changes, phase changes, trend changes, and faulty modes. …”

New algorithm based active method to eliminate stick-slip vibrations in drill string systems by Fourat Zribi (21347900)

“…In fact, the proposed controller presented a reduction of nearly 26% in terms of overshoot and 1.6 times better settling time values while having the smoother input signal.…”

Privacy-Preserving Fog Aggregation of Smart Grid Data Using Dynamic Differentially-Private Data Perturbation by Fawaz Kserawi (16904859)

“…We describe our differentially-private model with flexible constraints and a dynamic window algorithm to maintain the privacy-budget loss in infinitely generated time-series data. Our experimental results show a possible decrease in data perturbation error by 51.7% and 61.2% for smart meters and fog-computing data aggregators perturbed data, respectively, compared to the commonly used Gaussian mechanism.…”

Investigation of the structural, optical and gas sensing properties of PANI coated Cu–ZnS microsphere composite by Hemalatha Parangusan (6556133)

“…In particular, PANI/Cu–ZnS sensor shows good response (31 s) and recovery time (23 s) upon exposure to CO₂ gas. …”

Grid integration of renewable energy in Qatar: Potentials and limitations by Eric C. Okonkwo (14151060)

“…A one-year dynamic analysis based on an hourly time step is conducted using the EnergyPLAN tool. …”

Insights on the effect of water content in carburizing gas mixtures on the metal dusting corrosion of iron by El Tayeb Bentria (9904024)

“…The reactions happening in the sample at different water concentrations and at different time frames are explored. We demonstrate that the presence of water on a clean Fe surface promotes different catalytic reactions at the beginning of the simulations that boost the C, H, O diffusion into the sample. …”

The Economic Impact of Optimizing a COVID-19 Management Protocol in Pre-Existing Cardiovascular Disease Patients by Dina Abushanab (10696501)

“…In the critically ill patients, however, the cost increased from QAR202,094 (USD 55,505) to QAR292,856 (USD 80,433) per patient, with added cost of QAR90,762 (USD 24,928). …”

Infliximab versus ciclosporin in steroid resistant acute severe ulcerative colitis: a model-based cost-utility analysis of data from CONSTRUCT pragmatic trial by Mohammed Fasihul Alam (6832217)

“…Beyond 2-year trial follow-up, Markov model predicted a decrease in colectomy rate, but it remained slightly higher for ciclosporin. …”