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Electrospray mass spectrometry for quantitative plasma proteome analysis
#MMPMID19544026
Wang H
; Hanash S
Methods Mol Biol
2009[]; 564
(?): 227-42
PMID19544026
show ga
Electrospray ionization mass spectrometry (ESI-MS) is an efficient soft
ionization procedure for macro biomolecules. However, it is a rather delicate
process to produce charged molecules for mass-to-charge ratio (m/z) based
measurement. In this chapter, the mechanism of ESI is briefly presented, and the
experimental pipeline for quantitative profiling of plasma proteins
(prefractionation immunodepletion, protein isotope tagging, 2D-HPLC separation of
intact proteins, and LC-MS) is presented as applied by our group in studies of
cancer biomarker discovery.