Prefractionation, enrichment, desalting and depleting of low volume and low abundance proteins and peptides using the MF10.

Valerie Wasinger*, Linda Ly, Anna Fitzgerald, Brad Walsh

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

9 Citations (Scopus)

Abstract

The success of proteomics relies heavily in the ability to characterize very diverse species of proteins. This diversity stems from a proteins physicochemical properties, its copy number and abundance and its association with other proteins. Prefractionation and simplification of biological samples prior to downstream MS analysis is showing some virtue in obtaining greater depth of protein analysis. The MicroFlow MF10 is a prefractionation device for low volume, low abundance complex samples that can also enrich for very specific species of proteins based on charge and/or size either in native or denaturing format. It has also been used to desalt and deplete samples of contaminating ions or proteins. Although this instrument is only in its infancy in terms of exploring its capabilities, the technology has been used successfully for the fractionation of plasma proteins Wasinger(1), Omenn GS(2), as well as purification of human growth hormone Catzel D(3) antibodies Cheung(4) and IgY Gee(5) and other complex samples.

Original languageEnglish
Pages (from-to)257-275
Number of pages19
JournalMethods in molecular biology (Clifton, N.J.)
Volume424
Publication statusPublished - 2008
Externally publishedYes

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