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    Antioxidant Activities of Plant Extracts (<i>Ammannia multiflora</i>, <i>Ammannia coccinea</i>, and <i>Salix gracilistyla</i>) Activate the Nrf2/HO-1 Signaling Pathway by Jayasingha Arachchige Chathuranga Chanaka Jayasingha, Yung Hyun Choi, Chang-Hee Kang, Mi-Hwa Lee, Moon-Soo Heo, Gi-Young Kim

    Published 2023-05-01
    “…To identify potent plant extracts with strong antioxidant activity, we evaluated the free radical scavenging activity of 184 plant extracts obtained from the Freshwater Bioresources Culture Collection (FBCC) of Nakdonggang National Institute of Biological Resources (Republic of Korea), as various plant extracts have been used therapeutically to prevent chronic diseases associated with oxidative stress. …”
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    Harmonization of Multiple SARS-CoV-2 Reference Materials Using the WHO IS (NIBSC 20/136): Results and Implications by William Jonathan Windsor, Yannik Roell, Heidi Tucker, Chi-An Cheng, Sara Suliman, Sara Suliman, Laura J. Peek, Gary A. Pestano, William T. Lee, Heinz Zeichhardt, Heinz Zeichhardt, Heinz Zeichhardt, Molly M. Lamb, Martin Kammel, Martin Kammel, Martin Kammel, Hui Wang, Ross Kedl, Cody Rester, Thomas E. Morrison, Bennet J. Davenport, Kyle Carson, Jennifer Yates, Kelly Howard, Karen Kulas, David R. Walt, Aner Dafni, Daniel Taylor, May Chu

    Published 2022-05-01
    “…All the samples were tested in parallel with the National Institute for Biological Standards and Control (NIBSC) 20/136 and parallel-line assays were used to calculate the relevant potency and binding antibody units.ResultsAll the samples saw varying levels of concordance between diagnostic methods at specific antigen–antibody combinations. …”
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