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Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals ov...
Published 2023“…We measured the levels of neutralizing total antibodies (NtAbs), anti-S-RBD IgG, and anti-S1 IgA titers among VN and NI up to ∼10 months from administration of the first dose, and up to ∼7 months from SARS-CoV-2 infection, respectively. …”
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Effect of carbon nanotubes on the bonding mechanism of non-corrosive reinforcements to concrete
Published 2024“…This study aimed to assess the impact of waterborne pre-dispersed multiwall carbon nanotubes (MWCNTs) at a concentration of 0.2 wt % on the bond strength between concrete and non-corrosive reinforcements, including stainless steel (SS), glass fiber reinforced polymers (GFRP), and basalt fiber reinforced polymers (BFRP) bars. …”
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Heart Rate Variability Analysis Reveals a Non-monotonic Relationship between Humanin Concentration and Cardiac Autonomic Regulation
Published 2022“…Significant differences included various frequency domain and nonlinear HRV parameters, particularly between first and fourth HN quintiles with p values < 0.001 for recurrence plot analysis (RPA), detrended fluctuation analysis (DFA) a1 and Poincaré plot ratio SD1/SD2. The results revealed non-monotonic relationships between measures of HRV and HN concentration. …”
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Non-linear relationship between real commodity price volatility and real effective exchange rate: The case of commodity-exporting countries
Published 2019“…Our results highlight that the relationship between real commodity price volatility and REER is non-linear and depends on the degree of financialization of the commodity market. …”
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Serum 25-hydroxyvitamin D concentrations are inversely associated with body adiposity measurements but the association with bone mass is non-linear in postmenopausal women
Published 2021“…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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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
Published 2023“…The search strategy utilized in this systematic review yielded 504 articles, of which only 10 met the eligibility criteria and were included. …”
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Exploring Beyond Numeric Weight Loss: The Metabolic Effects of Semaglutide.
Published 2025“…Also, it enhanced glycemic control, as evidenced by significant reductions in hemoglobin A1C (HbA1c) with the 0.5 mg and 1.0 mg doses. From a baseline range of 8.1–8.7%, 0.5mg dose lowered HbA1c by 1.2–1.5%, while the 1.0 mg dose reduced it by 1.4–1.8%. …”
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A BRET-based Mpro biosensor containing a nanobody and tandem cleavage sites shows an increased cleavage rate
Published 2025“…Live cell assays revealed a cleavage sequence length-dependent resonance energy transfer, except for the 12× -syn cleavage site, and an increased rate of cleavage and a decreased pharmacological inhibitor efficacy for the Mpro biosensor containing 2× cleavage sequences. …”
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Effects of the addition of a high energy density fuel, adamantane to diesel on its cetane number, sooting propensity, and soot nanostructural properties
Published 2022“…The addition of up to 6.75 wt% of adamantane in diesel significantly increased the smoke point of diesel from 18 to 29 mm (and threshold sooting index decreased by 44%), indicating a drastic drop in fuel sooting tendency. …”
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High-sensitive detection and quantitation of thyroid-stimulating hormone (TSH) from capillary/fingerstick and venepuncture whole-blood using fluorescence-based rapid lateral flow i...
Published 2023“…Conclusion: In comparison to the reference assay, our study demonstrates that Finecare™ exhibits high sensitivity, specificity, agreement, and a strong correlation. These findings provide evidence that Finecare™ is a reliable, valid, and accurate point-of-care test for TSH screening and quantitative measurement, especially in non- or small laboratory settings.…”
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Influenza prevalence and vaccine efficacy among diabetic patients in Qatar
Published 2023“…A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …”
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Dispatchable capacity optimization strategy for battery swapping and charging station aggregators to participate in grid operations
Published 2023“…Extensive simulations and numerical results show that the BSCS aggregator with demand-side regulation capacity can increase its income by 59.05% and 36.78% on working and non-working days, respectively. Also, the aggregator does not worsen the original power load while meeting the EV swapping demand and can decrease the daily load fluctuations by 0.65% and 12.89%, reduce the peak–valley difference by 5.81% and 7.80%, and increase the load rate by 3.67% and 4.08% in working and non-working day situations through providing the dynamic dispatchable capacity for the grid.…”
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Investigating the impact of remittance outflows and oil price on economic growth in Gulf Cooperation Council countries
Published 2023“…The results indicate that non-oil real GDP exhibits an adverse and magnified response to an increase in remittance outflows, relative to a decrease. …”
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Global, regional, and national burden of upper respiratory infections and otitis media, 1990–2021: a systematic analysis from the Global Burden of Disease Study 2021
Published 2024“…The global all-age incidence rate of URIs decreased by 10·1% (–12·0 to –8·1) from 1990 to 2019. …”
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