Mass spectrometry label-free quantitative analysis of proteins

被引:0
|
作者
Kopylov A.T. [1 ]
Zgoda V.G. [1 ]
Archakov A.I. [1 ]
机构
[1] Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Moscow 119121
基金
俄罗斯基础研究基金会;
关键词
Label-free method; Linear correlation; Mass-spectrometry; Quantitative proteomics;
D O I
10.1134/S1990750810010075
中图分类号
学科分类号
摘要
The dependence of the intensity of a mass spectrometric signal on protein concentration has been investigated using individual purified proteins and complex protein mixtures. Linearity of this dependence has been determined within the concentration ranges from 1 nM to 1 μM. In this range the dependence of the mass spectrometric signal intensity on concentration possesses a slope (tangent) characteristic for each protein studied. The efficacy of the method has been evaluated using the other methods (AQUA and 18O- labelling) employed in quantitative proteomics. © 2010 Pleiades Publishing, Ltd.
引用
收藏
页码:49 / 58
页数:9
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