Reactivity of Beer Bitter Acids Toward the 1-Hydroxyethyl Radical as Probed by Spin-Trapping Electron Paramagnetic Resonance (EPR) and Electrospray Ionization−Tandem Mass Spectrometry (ESI−MS/MS)

2011 ◽  
Vol 59 (8) ◽  
pp. 4183-4191 ◽  
Author(s):  
Natália E. C. de Almeida ◽  
Paula Homem-de-Mello ◽  
Denis De Keukeleire ◽  
Daniel R. Cardoso
Keyword(s):  
Mass Spectrometry ◽  
Electron Paramagnetic Resonance ◽  
Tandem Mass Spectrometry ◽  
Electrospray Ionization ◽  
Spin Trapping ◽  
Tandem Mass ◽  
Paramagnetic Resonance ◽  
Bitter Acids ◽  
Electron Paramagnetic ◽  
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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