A method for quantifying non-esterified cis-9,trans-11-conjugated linoleic acid in finger-prick plasma by LC/ESI-MS/MS with isotope-coded derivatization.

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Title: A method for quantifying non-esterified cis-9,trans-11-conjugated linoleic acid in finger-prick plasma by LC/ESI-MS/MS with isotope-coded derivatization.
Authors: Maeda K; Faculty of Pharmaceutical Sciences, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan., Ichimura H; Faculty of Pharmaceutical Sciences, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan., Ogawa S; Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan., Ito E; Leisure, Inc., 2-33-8 Nihombashi Ningyocho, Chuo-ku, Tokyo 103-0013, Japan., Sugimoto S; Leisure, Inc., 2-33-8 Nihombashi Ningyocho, Chuo-ku, Tokyo 103-0013, Japan., Sasahara T; Leisure, Inc., 2-33-8 Nihombashi Ningyocho, Chuo-ku, Tokyo 103-0013, Japan., Kawamura S; Itabashi Medical Laboratory, EIL, Inc., 2-20-10, Azusawa, Itabashi-ku, Tokyo 174-0051, Japan., Matsunaga K; Faculty of Pharmaceutical Sciences, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan., Higashi T; Faculty of Pharmaceutical Sciences, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan. Electronic address: higashi@rs.tus.ac.jp.
Source: Journal of chromatography. B, Analytical technologies in the biomedical and life sciences [J Chromatogr B Analyt Technol Biomed Life Sci] 2026 Jun 18; Vol. 1281, pp. 125194. Date of Electronic Publication: 2026 Jun 18.
Publication Type: Journal Article
Journal Info: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 101139554 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-376X (Electronic) Linking ISSN: 15700232 NLM ISO Abbreviation: J Chromatogr B Analyt Technol Biomed Life Sci Subsets: MEDLINE
Database: MEDLINE Ultimate
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  Data: A method for quantifying non-esterified cis-9,trans-11-conjugated linoleic acid in finger-prick plasma by LC/ESI-MS/MS with isotope-coded derivatization.
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  Data: <searchLink fieldCode="AU" term="%22Maeda+K%22">Maeda K</searchLink>; Faculty of Pharmaceutical Sciences, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan.<br /><searchLink fieldCode="AU" term="%22Ichimura+H%22">Ichimura H</searchLink>; Faculty of Pharmaceutical Sciences, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan.<br /><searchLink fieldCode="AU" term="%22Ogawa+S%22">Ogawa S</searchLink>; Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan.<br /><searchLink fieldCode="AU" term="%22Ito+E%22">Ito E</searchLink>; Leisure, Inc., 2-33-8 Nihombashi Ningyocho, Chuo-ku, Tokyo 103-0013, Japan.<br /><searchLink fieldCode="AU" term="%22Sugimoto+S%22">Sugimoto S</searchLink>; Leisure, Inc., 2-33-8 Nihombashi Ningyocho, Chuo-ku, Tokyo 103-0013, Japan.<br /><searchLink fieldCode="AU" term="%22Sasahara+T%22">Sasahara T</searchLink>; Leisure, Inc., 2-33-8 Nihombashi Ningyocho, Chuo-ku, Tokyo 103-0013, Japan.<br /><searchLink fieldCode="AU" term="%22Kawamura+S%22">Kawamura S</searchLink>; Itabashi Medical Laboratory, EIL, Inc., 2-20-10, Azusawa, Itabashi-ku, Tokyo 174-0051, Japan.<br /><searchLink fieldCode="AU" term="%22Matsunaga+K%22">Matsunaga K</searchLink>; Faculty of Pharmaceutical Sciences, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan.<br /><searchLink fieldCode="AU" term="%22Higashi+T%22">Higashi T</searchLink>; Faculty of Pharmaceutical Sciences, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan. Electronic address: higashi@rs.tus.ac.jp.
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              Text: 2026 Jun 18
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