High-pH reversed-phase chromatography with fraction concatenation for 2D proteomic analysis.
High-pH reversed-phase chromatography with fraction concatenation for 2D proteomic analysis.
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DOI:
10.1586/epr.12.15
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发表时间:
2012-04
影响因子:
3.4
通讯作者:
Smith RD
中科院分区:
文献类型:
--
作者:
Yang F;Shen Y;Camp DG 2nd;Smith RD
Orthogonal high-resolution separations are critical for attaining improved analytical dynamic range and protein coverage in proteomic measurements. High pH reversed-phase liquid chromatography (RPLC) followed by fraction concatenation affords better peptide analysis than conventional strong-cation exchange (SCX) chromatography applied for the two-dimensional proteomic analysis. For example, concatenated high pH reversed-phase liquid chromatography increased identification for peptides (1.8-fold) and proteins (1.6-fold) in shotgun proteomics analyses of a digested human protein sample. Additional advantages of high pH RPLC with fraction concatenation include improved protein sequence coverage, simplified sample processing, and reduced sample losses, making this an attractive alternative to SCX chromatography in conjunction with the second dimension low pH RPLC for two-dimensional proteomics analyses.
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3.1
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