يعرض 1 - 20 نتائج من 37 نتيجة بحث عن '(( 50 ppm decrease ) OR ((( 50 μ decrease ) OR ((( 5 wt decrease ) OR ( _ wet decrease ))))))*', وقت الاستعلام: 0.13s تنقيح النتائج
  1. 1

    Insights Into SARS-CoV-2 S1-RBD-ACE2 Interaction Using Computational Tools and Membrane Microarray Platform حسب Angelin Mary Philip (21547421)

    منشور في 2024
    "…This revealed clustering of S1-RBD on membrane and more importantly, a depletion of the Omicron S1-RBD from membrane corrals, which was not seen with the WT S1-RBD. Further, treatment of cells with pitstop2, but not blebbistatin, resulted in a decrease in the S1-RBD depletion. …"
  2. 2

    SARS‐CoV‐2 infection triggers more potent antibody‐dependent cellular cytotoxicity (ADCC) responses than mRNA‐, vector‐, and inactivated virus‐based COVID‐19 vaccines حسب Hadeel T. Zedan (12535521)

    منشور في 2024
    "…Notably, omicron infection showed reduced overall ADCC activity compared to WT SARS‐CoV‐2 infection. Although post‐mRNA vaccination BTI elicited high levels of binding and NAbs, ADCC activity was significantly reduced. …"
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    Improved properties and salt rejection of polysulfone membrane by incorporation of hydrophilic cobalt-doped ZnO nanoparticles حسب Muneer M. Ba-Abbad (14151660)

    منشور في 2024
    "…<p dir="ltr">In this study, the nanoparticles (NPs) of ZnO and Co<sup>2+</sup> ions doped ZnO (doped ZnO) were incorporated into a matrix of polysulfone (PSf) membranes to enhance their surface properties prepared using a simple wet phase inversion technique. The hybrid PSf membranes were fabricated with 0.5 wt. % of ZnO and doped ZnO NPs. …"
  5. 5

    Excess pCO<sub>2</sub> and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor Izumi (17337868)

    منشور في 2022
    "…Its values in the Gulf ranged from −50 to −310 μmol kg<sup>−1</sup> implying CaCO<sub>3</sub> precipitation. …"
  6. 6

    Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride حسب A. Bahgat Radwan (9631720)

    منشور في 2019
    "…Using only a 50 μmol L<sup>−1</sup> of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …"
  7. 7

    Impact of aluminium acetate particles size on the gelation kinetics of polyacrylamide‐based gels: Rheological and molecular simulation study حسب Ahmed Hamza (7224470)

    منشور في 2023
    "…The addition of bentonite at low crosslinker concentrations (0.5–1 wt.%) did not decrease the gel strength of 7 wt.% PAM/1 wt.% AlAc significantly. …"
  8. 8

    Salicylic acid restricts mercury translocation by activating strong antioxidant defense mechanisms in sweet pepper (Capsicum annum L.) حسب Muhammad Fasih Khalid (10652246)

    منشور في 2023
    "…So, the experiment was designed to assess the effect of SA on sweet pepper (Capsicum annum L.) seedlings grown under different Hg toxicity concentrations. Spraying of 100 μ M SA at three different Hg levels, i.e., 0 μ M, 50 μ M, 100 μ M, and 150 μ M. …"
  9. 9

    Corrosion Evaluation of 316L Stainless Steel Exposed to CNT-Water Nanofluid حسب Dana Abdeen (18147583)

    منشور في 2019
    "…The electrochemical testing was performed at different CNTs loadings of 0.05, 0.1, 0.3 and 0.5 wt.% that were suspended in deionized water using the surfactant Gum Arabic (GA). …"
  10. 10

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

    منشور في 2020
    "…Moreover, the surface wettability of the HDPE/EG composite was enhanced by corona and RF plasma treatment as demonstrated by the increase in surface free energy from 28.5 mJ/m2 for untreated HDPE/EG to 55.5 and 54.5 mJ/m2 for HDPE/EG treated by corona and RF plasma, respectively. …"
  11. 11

    Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles حسب Mariem Chamakh (14150481)

    منشور في 2021
    "…The samples were synthesized with different concentrations of hydrous ruthenium chloride of 2 wt%, 5 wt%, and 10 wt%, and then annealed at a temperature of 300 °C for 4 h to form the ruthenium oxide nanoparticles. …"
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    Novel thiazolones for the simultaneous modulation of PPARγ, COX-2 and 15-LOX to address metabolic disease-associated portal inflammation حسب Mai S. El-Shoukrofy (19646815)

    منشور في 2025
    "…Notable COX-2 inhibitory activities (IC<sub>50</sub> = 0.065–0.24 μM) were observed relative to celecoxib (IC<sub>50</sub> = 0.049 μM). …"
  14. 14

    Recyclable polyaspartate-coated magnetic nanoparticles for sustainable control of calcite and barite scales in oilfield operations حسب Abdelrahman T. Abdelaal (14674629)

    منشور في 2026
    "…Dynamic tube-blocking tests at 100 °C and 1000 psi further confirm effective scaling suppression for 60 min at 50 ppm, demonstrating that immobilization of PASP on a magnetic carrier preserves its intrinsic inhibitory function while enabling recyclable deployment not achievable with free PASP. …"
  15. 15

    Algal-algal bioflocculation enhances the recovery efficiency of Picochlorum sp. QUCCCM130 with low auto-settling capacity حسب Imen Saadaoui (14159025)

    منشور في 2023
    "…QUCCCM31 and Tetraselmis sp. QUCCCM50 presenting a cell size of ∼2 μm, ∼5 μm, and ∼15 μm, respectively, were selected to be subjected to the harvesting optimisation experiments. …"
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    Enhanced thermoelectric properties of Bi<sub>2</sub>Te<sub>2.55</sub>Se<sub>0.45</sub> nanocomposites using eco-friendly Eocene Midra Shale palygorskite nanofillers: A sustainable... حسب Farah M. El-Makaty (14157090)

    منشور في 2025
    "…The EMS was obtained from one of Qatar’s substantial hydrocarbon reservoirs and mixed with the Bi2Te2.55Se0.45 alloy using ball-milling and hot-pressing techniques. Different wt% of EMS (0.025, 0.05, 0.1, 0.5, and 1) were considered. …"
  17. 17

    Trace Element Composition of Plankton from the Qatari Exclusive Economic Zone (EEZ) of the Arabian Gulf حسب Oguz Yigiterhan (14151006)

    منشور في 2020
    "…<p dir="ltr">Samples from the Marine Exclusive Economic Zone of Qatar and the Arabian Gulf were collected using net tows with mesh sizes of 50 μm (phytoplankton) and 200 μm (zooplankton) to examine the composition of size fractionated plankton populations. …"
  18. 18

    Predictors of mortality and morbidity in critically ill COVID‐19 patients: An experience from a low mortality country حسب Mohamad Y. Khatib (11659459)

    منشور في 2022
    "…Factors independently associated with mortality included older age ([OR]; 2.3 [95% CI; 1.92–2.75] for each 10-year increase in age, <i>p</i> < 0.001), chronic kidney disease (OR; 1.9 [95% CI; 1.02–3.54], <i>p</i> = 0.04), active malignancy (OR; 6.15 [95% CI; 1.79–21.12], <i>p</i> = 0.004), lower platelet count at ICU admission (OR; 1.41 [95% CI; 1.13–1.75] for each 100 × 103/µl decrease, <i>p</i> = 0.002), higher neutrophil-to-lymphocyte ratio at admission (OR; 1.01 [95% CI; 1–1.02] for each 1- point increase, <i>p</i> = 0.016), higher serum ferritin level at admission (OR; 1.05 [(95% CI; 1.02–1.08] for each 500 µg/L increase, <i>p</i> = 0.002), and higher serum bilirubin level at admission (OR; 1.19 [95% CI; 1.04–1.36] for each 10 μmol/L increase, <i>p</i> = 0.01). …"
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    Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy‐combustion supercritical CO<sub>2</sub> intercooled and reheated cycles under design and off‐d... حسب Wahib A. Al‐Ammari (18877408)

    منشور في 2022
    "…At optimized conditions (<i>P</i><sub>c,o</sub> = 30 MPa, Pc,o = 8 MPa, TIT = 744°C, CIT = 30°C [wet‐cooling]), the ICC shows superior energetic performance (52.08%) compared to 47.97% for DRC, 49.20% for PIC, and 48.62% for RHC. …"
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    Hepato‐splanchnic fluxes during exercise in patients with cirrhosis—a pilot study حسب Stefanos Volianitis (22155835)

    منشور في 2024
    "…Arterial ammonia increased in parallel to lactate from 47.3 (40.1–54.5) to 144.4 (120.5–168.3) μmol/L (<i>P</i> < 0.05), although hepatic ammonia uptake increased from 19.5 (12.4–26.6) to 69.5 (46.5–92.5) μmol/min (<i>P</i> < 0.05). …"