Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar by Chemaitelly, Hiam

“…Conclusion The conclusion of the first omicron wave was a turning point in the severity of the pandemic. While vaccination and enhanced case management reduced severity gradually, the rapid accumulation of natural immunity during the first omicron wave appears to have played a critical role in driving this shift in severity.…”
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Serum Vitamin D Concentration ≥75 nmol/L Is Related to Decreased Cardiometabolic and Inflammatory Biomarkers, Metabolic Syndrome, and Diabetes; and Increased Cardiorespiratory Fitn... by Ganji, Vijay

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Understanding the False Positive of Modified Martensitic Steels in Sweet & Sour Service Conditions Using a Point Defect Model Perspective by Martinez, Alan

“…These results indicate a critical point in temperature in the tests with only CO2, where resistance to pitting susceptibility is maximized due to a decrease in the cation vacancy diffusivity.…”
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A robust experimental-based artificial neural network approach for photovoltaic maximum power point identification considering electrical, thermal and meteorological impact by Gowid, Samer

“…The results showed a decrease in the MSE of Vmp by 74.3% (from 1.6 V to 0.411 V), and in the MSE of Imp by 95% (from 4.4e−6 A to 2.16e−7 A), respectively. …”
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A vector quantization based k-NN approach for large-scale image classification by Ozan, Ezgi Can

“…The k-nearest-neighbour classifiers (k-NN) have been one of the simplest yet most effective approaches to instance based learning problem for image classification. …”
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Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers by Madisa V.G., Varaprasad

“…The converter's switching pulse can be adjusted by PI or NN. The entire system was designed in MATLAB/ Simulink tool.…”
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Opportunities, challenges and trade-offs with decreasing avoidable food waste in the UK by Patel, Shivalee

“…This study looks at the main stages of the food supply chain, and amasses the opportunities, challenges and trade-offs associated with surplus food redistribution to the UK economy. It highlights points in the food system where interventions can be made, to improve food’s circularity and sustainability potential. …”
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Effects of superelastic nano-NiTi additions on electroless Ni –P coating properties under bending by MacLean M.

“…In this study, electroless Ni –P-nano-NiTi composite coatings containing 5.14 wt%, 6.07 wt%, and 7.02 wt % NiTi were subjected to three-point bend testing in order to determine bending properties. …”
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Thermal and mechanical properties of PP/HDPE/wood powder and MAPP/HDPE/wood powder polymer blend composites. by Dikobe, D.G.

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Generation, performance evaluation and control design of single-phase differential-mode buck-boost current-source inverters by Darwish, Ahmed

“…Since these inverters have continuous input currents, they are suitable for maximum power point tracking (MPPT) operation of photovoltaic systems. …”
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Tailoring of the thermal, mechanical and dielectric properties of the polypropylene foams using gamma-irradiation by Mrl�k, Miroslav

“…This study investigate the influence of gamma-irradiation (GI) doses from 0 up to 50 kGy on the polypropylene (PP) foams, mainly the impact on their structural and physical properties. …”
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A new family of boost active neutral point clamped inverter topology with reduced switch count by Siddique, Marif Daula

“…The neutral point is connected directly to the load terminals, which decreases the leakage current and makes it suitable for solar PV integration. …”
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Locations of Temporary Distribution Facilities for Emergency Response Planning by Pradhananga, Rojee

“…We assume that the individual demands in close vicinity are grouped at so-called aggregated demand points (ADPs). The distribution process initiates from a central supply point (CSP) which is a collection point that continuously acquires the resources and prepares them for distribution. …”
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Blue photobiomodulation LED therapy impacts SARS-CoV-2 by limiting its replication in Vero cells by Zupin, L.

“…The study of any intervention able to counteract SARS-CoV-2 pandemic is considerably envisaged. It was previously shown, in in vitro models of infections, that the LED blue light is able to decrease the viral load of HSV-1 and ZIKV. …”
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Impact of magnetic dipole on a thermally stratified ferrofluid past a stretchable surface by Muhammad N.

“…The analysis is disclosed by thermally stratified phenomenon and stagnation point. It is also noticed that the impact of magneto-thermomechanical coupling is inspected numerically via BVPh2 midpoint method. …”
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Investigation of solar PV performance under Doha weather using a customized measurement and monitoring system by Touati, Farid

“…Results predict that the maximum power output from a Poly-crystalline panel decreases by around 30% for a dust exposure of five months. …”
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Pollution Characteristics of Particulate Matter (PM2.5 and PM10) and Constituent Carbonaceous Aerosols in a South Asian Future Megacity by Aslam, Afifa

“…Results of the study revealed that the mass concentration of PM2.5 and PM10 is at an elevated level throughout Faisalabad, with ambient PM2.5 and PM10 points that constantly exceeded the 24-h standards of US-EPA, and National Environment Quality Standards (NEQS) which poses harmful effects on the quality of air and health. …”
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The maxima in northerly wind speeds and wave heights over the Arabian Sea, the Arabian/Persian Gulf and the Red Sea derived from 40 years of ERA5 data by Aboobacker, V.M.

“…Recent studies point out the importance of northerly winds and waves in the Arabian Sea, especially those due to shamal and makran events in addition to the northeast monsoon system. …”
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A BRET-based Mpro biosensor containing a nanobody and tandem cleavage sites shows an increased cleavage rate by Geethakumari, Anupriya M

“…We envisage that the NB2E3 nanobody-2× Mpro biosensor engineered here will be useful in drug discovery and functional characterization of Mpro mutants in newly emerging SARS-CoV-2 variants as well as in detecting SARS-CoV-2 infection in a point-of-care testing (POCT) format.…”
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Assessment of Dapagliflozin Effectiveness as Add-on Therapy for the Treatment of Type 2 Diabetes Mellitus in a Qatari Population by Al AdAwi R.M.

“…Administration of dapagliflozin as an add-on therapy was found to decrease HbA1c significantly by 0.8 percentage point after 6 months (P = 0.006) and by 1.5 percentage point after 12 months (P = 0.062). …”
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