Selective Detection of Diethylene Glycol in Toothpaste Products Using Neutral Desorption Reactive Extractive Electrospray Ionization Tandem Mass Spectrometry

2009 ◽  
Vol 81 (20) ◽  
pp. 8632-8638 ◽  
Author(s):  
Jianhua Ding ◽  
Haiwei Gu ◽  
Shuiping Yang ◽  
Ming Li ◽  
Jianqiang Li ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Tandem Mass Spectrometry ◽  
Electrospray Ionization ◽  
Diethylene Glycol ◽  
Selective Detection ◽  
Tandem Mass ◽  
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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