Assignments of B-Type Fragments in Post-Source Decay of Negative-Ion Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry of Neutral Lactooligosaccharides

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抄録

We describe a detailed assignment strategy for B-type fragments of neutral lactooligosaccharides derived from negatively charged precursor ions in matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS). The post-source decay (PSD) ions produced by the loss of 180 u were assigned to the B-type fragments. The existing analyses of a series of lactooligosaccharides, as summarized in a previous report [T. Yamagaki, <i>et al</i>., <i>J. Am. Soc. Mass Spectrom</i>., <b>17</b>, 67 (2006)], assisted us in the correct assignments. A clarification of B-type fragment assignments was essential, since we considered that the generation of B-type fragments from negatively charged precursor ions was typical of MALDI PSD, as opposed to the products of electrospray ionization MS low-energy collision induced dissociation.

収録刊行物

  • 質量分析 = Mass spectroscopy  

    質量分析 = Mass spectroscopy 54(6), 251-254, 2006-12-01 

    The Mass Spectrometry Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018403922
  • NII書誌ID(NCID)
    AN0010555X
  • 本文言語コード
    ENG
  • 資料種別
    NOT
  • ISSN
    13408097
  • NDL 記事登録ID
    8599760
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z17-213
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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