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Day 3, June 12（Wed.） Room P1 (Multipurpose Hall)・Room P2 (Conference Room 101+102)
- 3P-07
Ionization Threshold in MALDI-MS Based on the Strength of Matrix Hydrogen Bonds
(Hiroshima Univ.)
Hina Agena, oManaho Yamaguchi, Shunsuke Ochi, Osamu Takahashi, Shunsuke Izumi
In MALDI-MS, phenolic hydroxyl groups are known to be important as proton sources for the ionization of sample molecules. However, differences in ionization efficiency are observed even among matrices containing phenolic hydroxyl groups. In this study, we will discuss the nature of the hydrogen bonds between hydroxyl groups in the matrix and the relationship between the strength of the hydrogen bonds in the matrix and the ionization threshold.