高等学校化学学报

高等学校化学学报 ›› 2001, Vol. 22 ›› Issue (7): 1111.

• 研究快报 • 上一篇    下一篇

气相条件下金属离子/肽复合物电喷雾串联质谱研究

崔勐, 刘志强, 宋凤瑞, 刘淑莹   

  1. 中国科学院长春应用化学研究所, 长春 130022
  • 收稿日期:2000-12-06 出版日期:2001-07-24 发布日期:2001-07-24
  • 通讯作者: 刘淑莹(1942年出生),女,博士,研究员,博士生导师,从事质谱学研究.

Gaseous Dipeptide Complexes with Met al Ions by Electrospray Ionization and Tandem Mass Spectrometry

CUI Meng, LIU Zhi-Qiang, SONG Feng-Rui, LIU Shu-Ying   

  1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
  • Received:2000-12-06 Online:2001-07-24 Published:2001-07-24

PDF (PC)

被引次数

19

关键词: 电喷雾质谱, 金属离子/肽复合物, 串联质谱

Abstract: Electrospray ionization(ESI) and tandem mass spectrometry have been used to investigate the gas phase interactions of five met al ions and seven dipeptides. For silver ion, two complexes([M+Ag]+ and [2M+Ag]+) were obtained as well as the one complex ([2M+M et2H]+) for transition met al ions. Upon collision activation, there is an obvious difference in MS/MSdata between met al ion complex and the protonated molecule. The fragment pathway of each complex is related to the structures of dipeptide and the nature of met al ion which suggest that there are several interaction between the met al ions and dipeptides in gas phase.

Key words: Electrospray ionization mass spectrometry, Met al ions/dipeptide complexes, Tandem mass spectrometry

中图分类号: 

TrendMD: