Showing 1,301 - 1,320 results of 1,346 for search '((((quantifications OR quantifications) OR modification) OR modifications) OR classification)', query time: 0.11s Refine Results
  1. 1301
  2. 1302
  3. 1303

    Antibody‐based methods for the measurement of α‐synuclein concentration in human cerebrospinal fluid – method comparison and round robin study by Brit Mollenhauer (482499)

    Published 2018
    “…We compared four immunochemical methods for the quantification of α‐synuclein concentration in 50 unique CSF samples. …”
  4. 1304

    Nuclear magnetic resonance spectroscopy: A comprehensive tool for analyzing liquid products in electrochemical CO<sub>2</sub> reduction by Aymen S. Abu Hatab (18811339)

    Published 2025
    “…Certain selected products are described, like carbon monoxide (CO)-associated liquids, formic acid, methanol, and formaldehyde as examples of the NMR precision for the characterization of important compounds. Further, the quantification of C<sub>2</sub> products such as ethanol and acetate is discussed in order to illustrate how the technique can be applied in the elucidation of reaction mechanisms and optimization of catalyst performance. …”
  5. 1305

    Processing Effects on the Oxytetracycline and Tylosin Antibiotic Residues in Middle Eastern Dairy Products by Saidy, Liz

    Published 2020
    “…Liquid Chromatography Mass Spectrometry (LCMS), the gold standard for the quantification of antibiotics, was used. OTC and TYL were not homogenously distributed between the dairy products. …”
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    masterThesis
  6. 1306

    Mangrove carbon stocks and biomass partitioning in an extreme environment by Mark Chatting (5728340)

    Published 2020
    “…By providing further estimates of mangrove carbon at their climatic extremes, these results can contribute to a better quantification of global mangrove carbon, reduce uncertainty in below ground tree C estimates from arid mangroves and have implications for mangrove carbon stocks in the face of climate change.…”
  7. 1307

    Biochar yield prediction using response surface methodology: effect of fixed carbon and pyrolysis operating conditions by Sabah Mariyam (14150859)

    Published 2023
    “…The biochar yields are significantly affected by the fixed carbon content of the feedstock and the reaction temperature, and the experimental validation confirms the accuracy of biochar yield quantification. The model can be easily applied for further process flow modeling of biomass pyrolysis, only relying on proximate feed analysis, operating temperature, and heating rate.…”
  8. 1308

    Progress of liquid chromatography-mass spectrometry in measurement of vitamin D metabolites and analogues by El-Khoury, Joe

    Published 2011
    “…Abbreviations 25(OH)D, 25-hydroxyvitamin D; 1,25(OH)2D, 1α,25-dihydroxyvitamin D; DBP, Vitamin D binding protein; VDR, Vitamin D receptor; t1/2, half-life time; 1OHD, 1α-hydroxyvitamin D; 24,25(OH)2D, 24R,25-dihydroxyvitamin D; OCT, 22-oxacalcitriol; ASMS, American Society for Mass Spectrometry; IS, Internal standard; SRM, Standardized reference materials; NIST, National Institute of Standards and Technology; DBS, Dried blood spots; CSF, Cerebrospinal fluid; LLOQ, Lower limit of quantification; SPE, Solid phase extraction; LLE, Liquid-liquid extraction; PPE, Protein precipitation extraction; DMEQTAD, 4-[2-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalyl)ethyl]-1,2,4-triazoline-3,5-dione; PTAD, 4-phenyl-1,2,4-triazoline-3,5-dione; UVB, Ultraviolet B radiation; LC-MS, liquid chromatography-mass spectrometry; LC-SMS, liquid chromatography-single mass spectrometry; LC-TMS, liquid chromatography-tandem mass spectrometry; APCI, atmospheric pressure chemical ionization; ESI, electrospray ionization…”
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    article
  9. 1309

    Effects of vitamin E derivatives on the proliferation of KG-1 leukemic cells in vitro by Rizk, Sandra

    Published 2017
    “…Since the observed decrease in proliferation could also be due to cell cycle arrest, flow cytometry was used to quantify the number of cells in the various phases of cell cycle upon treatment with vitamin E derivatives: cells were stained with propidium iodide and DNA content quantification was performed using the C-flow software. …”
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    article
  10. 1310

    Development of a cancer metastasis-on-chip assay for high throughput drug screening by Lutfiye Yildiz Ozer (17732619)

    Published 2024
    “…High-content imaging with automated quantification methods was optimized to assess the tumor cell invasion and intravasation within the model. …”
  11. 1311

    COVID-19 infection localization and severity grading from chest X-ray images by Anas M. Tahir (16870077)

    Published 2021
    “…In this study, we address this urgent need by proposing a systematic and unified approach for lung segmentation and COVID-19 localization with infection quantification from CXR images. To accomplish this, we have constructed the largest benchmark dataset with 33,920 CXR images, including 11,956 COVID-19 samples, where the annotation of ground-truth lung segmentation masks is performed on CXRs by an elegant human-machine collaborative approach. …”
  12. 1312

    Product Analysis of Supercritical Fischer-Tropsch Synthesis: Utilizing a Unique On-Line and Off-Line Gas Chromatographs Setup in a Bench-Scale Reactor Unit by Amro Kasht (18806863)

    Published 2015
    “…The first was through retention time matching by injecting standard solutions, and the second was through the use of the GC/MS system. The quantification of CO and CH4 was achieved by using external standards, where the CO conversion was calculated by relating the peak area of CO to the peak area of an internal standard (argon) while the CH4 selectivity was calculated by relating the peak area of CH4 to that of CO. …”
  13. 1313

    Ultraliser: a framework for creating multiscale, high-fidelity and geometrically realistic 3D models for <i>in silico</i> neuroscience by Marwan Abdellah (4435360)

    Published 2022
    “…The framework represents a major leap forward in simulation-based neuroscience, making it possible to employ high-resolution 3D structural models for quantification of surface areas and volumes, which are of the utmost importance for cellular and system simulations. …”
  14. 1314

    A Novel Hybrid Life Cycle Assessment Approach to Air Emissions and Human Health Impacts of Liquefied Natural Gas Supply Chain by Hussein Al-Yafei (17151055)

    Published 2021
    “…The Multiregional Input–Output (MRIO) database, the Aspen HYSYS model, and the LNG Maritime Transportation Emission Quantification Tool are the key sources of information for this extensive novel study. …”
  15. 1315

    Dual Targeting of Matrix Metalloproteases and the MAPK Pathway in Acute Myeloid Leukemia Cells Using an MMP-activated anthrax lethal toxin (PrAgL1/LF) by Al Saneh, Ahmad

    Published 2020
    “…Additionally, we also determine the level of autophagy activation, through quantification of autophagosomes on flow cytometry, and the impact of its inhibition, using the autophagy inhibitor chloroquine (CQ), on cell death secondary to MAPK inhibition. …”
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    masterThesis
  16. 1316

    A Diffusion-Based Probabilistic Ultra-Short-Term Solar Power Prediction Using the Sky Image Sequences by Razieh Rastgoo (22457767)

    Published 2025
    “…Additionally, we propose a novel loss function based on Variational Inference and the Evidence Lower Bound (ELBO) to improve uncertainty quantification and prediction accuracy. Extensive evaluations on a real-world dataset against 64 baseline models using four evaluation metrics demonstrate the superiority of the proposed framework, establishing it as a state-of-the-art approach in ultra-short-term PV power forecasting. …”
  17. 1317

    Reliability and methodology of quantitative assessment of harvested and unharvested patellar tendons of ACL injured athletes using ultrasound tissue characterization by Carla S. Pereira (14153325)

    Published 2019
    “…Twenty harvested and nineteen unharvested patellar tendons from twenty-three participants were analyzed twice by two examiners. Quantification of the proportion of echo-types I, II, III and IV in the areas of interest: (1) patella apex, (2) proximal tendon, (3) mid tendon, (4) distal tendon, and overall tendon of harvested and unharvested patellar tendons all displayed excellent intra-rater reliability (ICC2,1: 0.94 to 0.99), excellent inter-rater reliability for harvested and unharvested patellar tendon scanning and analysis (ICC2,1: 0.89 to 0.98), and excellent inter-rater reliability for analysis (ICC2,1: 0.95 to 0.99). …”
  18. 1318

    Hepatic and cardiac iron overload quantified by magnetic resonance imaging in patients on hemodialysis: A systematic review and meta‐analysis by Abdulqadir J. Nashwan (11659453)

    Published 2022
    “…Only three studies included cardiac iron quantification, and none reported iron overload.</p><h3>Conclusions</h3><p dir="ltr">This review has revealed a high prevalence of severe hepatic iron overload in patients with ESRD treated by HD. …”
  19. 1319

    Evidencing the role of carbonic anhydrase in the formation of carbonate minerals by bacterial strains isolated from extreme environments in Qatar by Rim Abdelsamad (18877495)

    Published 2022
    “…In addition, bacterial strains isolated from marine sediments, surrounding coral reef in Qatar sea, would provide additional knowledge on the role of carbonic anhydrase in mineral formation. Here, the quantification of the two mostly described activities of carbonic anhydrase; esterase and hydration reactions were performed. …”
  20. 1320

    Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels by Haya Al-Sulaiti (5449256)

    Published 2024
    “…Metabolite identification and quantification were conducted with isotopically labelled internal standards and multiple reaction monitoring (MRM), utilizing optimized conditions under mass spectrometry (MS) as provided by Biocrates. …”