Electrospray ionization tandem mass spectrometry of 3-phenyl-N -(3-(4-phenylpiperazin-1-yl)propyl)-1H -pyrazole-5-carboxamide derivatives: unusual fragmentation involving loss of 11 u

2011 ◽  
Vol 26 (2) ◽  
pp. 207-214 ◽  
Author(s):  
C. Purna Chander ◽  
G. Raju ◽  
George Mathai ◽  
R. Srinivas ◽  
Hanmant K. Gaikwad ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Tandem Mass Spectrometry ◽  
Electrospray Ionization ◽  
Tandem Mass ◽  
Unusual Fragmentation ◽  
Ionization Tandem Mass Spectrometry

Direct sequencing of a disulfide-linked peptide with electrospray ionization tandem mass spectrometry

The Analyst ◽  
2015 ◽  
Vol 140 (8) ◽  
pp. 2623-2627 ◽  
Author(s):  
Gongyu Li ◽  
Jiying Pei ◽  
Yue Yin ◽  
Guangming Huang
Keyword(s):  
Mass Spectrometry ◽  
Tandem Mass Spectrometry ◽  
Corona Discharge ◽  
Electrospray Ionization ◽  
Disulfide Bonds ◽  
Direct Sequencing ◽  
Peptide Sequencing ◽  
Tandem Mass ◽  
Esi Ms ◽  
Ionization Tandem Mass Spectrometry

Enhanced corona discharge was employed for in-spray dissociation of disulfide bonds, facilitating disulfide-containing peptide sequencing with ESI-MS/MS.

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