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    题名: Functional Dihydro-1H-imidazole Derivatives for MALDI Signal Enhancement of a Lysine-Specific Chemical Modification
    作者: Ho, Ming-yi;Shieh, Yu-tse;Liao, Chung-lin;Chen, Yau-hung;Cheng, Chien-chung
    贡献者: 淡江大學生命科學研究所
    关键词: MALDI;Dihydroimidazole;Lysine-specific;Guanidinium;Signal enhancement;Mass spectrometry
    日期: 2009
    上传时间: 2010-02-23 13:59:09 (UTC+8)
    出版者: 臺北市:中國化學學會
    摘要: The preparation of 2-methoxy-4,5-dihydro-1H-imidazole (MeO-DHIM) was accomplished by one-step synthesis of O-methyl-isourea. The signal enhancement induced by these attached moieties increases in an order of compound 1 ≈ 4 < 2 < 5 ≈ 6 < 3 in MALDI mass spectrometry. Peptide-compound 3 adduct was approximately 20 times signal enhancement of the unmodified peptide.
    關聯: Journal of the Chinese Chemical Society 56(5), pp.987-994
    DOI: 10.1002/jccs.200900144
    显示于类别:[化學學系暨研究所] 期刊論文

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