Electrospray Ionization Tandem Mass Spectrometry Investigation of the Polymerization of Tetrahydrofuran Initiated by Phosphorus Oxychloride

2005 ◽  
Vol 11 (3) ◽  
pp. 319-324 ◽  
Author(s):  
Gui-Ji Zhou ◽  
Peng-Xiang Xu ◽  
Yong Yeb ◽  
Yu-Fen Zhao
Keyword(s):  
Mass Spectrometry ◽  
Tandem Mass Spectrometry ◽  
Electrospray Ionization ◽  
Ring Opening ◽  
Phosphorus Oxychloride ◽  
Tandem Mass ◽  
Multi Stage ◽  
Ionization Tandem Mass Spectrometry

Phosphorus oxychloride was found to induce ring opening of tetrahydrofuran (THF) to synthesize THF oligomer incorporated phosphate. Electrospray ionization multi-stage tandem mass spectrometry was used to study the products and confirm the structures.

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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