Literature DB >> 23338759

Highly efficient ionization of phosphopeptides at low pH by desorption electrospray ionization mass spectrometry.

Ning Pan1,2, Pengyuan Liu2, Weidong Cui3, Bo Tang1, Jingmin Shi1, Hao Chen2.   

Abstract

A fast and novel strategy for efficient ionization of phosphopeptides in mixtures is reported, in which the sample is acidified to low pH to suppress the deprotonation of phosphate groups and then followed by direct analysis using liquid sample desorption electrospray ionization mass spectrometry (DESI-MS).

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Year:  2013        PMID： 23338759      PMCID： PMC3938891          DOI： 10.1039/c3an36737a

Source DB:  PubMed          Journal:  Analyst        ISSN： 0003-2654            Impact factor:   4.616


  23 in total

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5.  Phosphorylation analysis by mass spectrometry: myths, facts, and the consequences for qualitative and quantitative measurements.

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8.  Observations on the quantitation of the phosphate content of peptides by fast-atom bombardment mass spectrometry.

Authors:  L Poulter; S G Ang; D H Williams; P Cohen
Journal:  Biochim Biophys Acta       Date:  1987-07-29

9.  Mass spectrometry sampling under ambient conditions with desorption electrospray ionization.

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10.  Selective zirconium dioxide-based enrichment of phosphorylated peptides for mass spectrometric analysis.

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5.  Online Investigation of Aqueous-Phase Electrochemical Reactions by Desorption Electrospray Ionization Mass Spectrometry.

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