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A simple and scalable method is presented for harvesting, purification, and on-chip processing of mammalian plasma membrane vesicles (PMVs) optimized for downstream proteome analysis. After immobilization on a microfluidic flowcell of PMVs, the embedded membrane proteins are proteolytically digested, and the peptides harvested and analyzed by LC-MS/MS. Over 93% of the detected proteins are plasma-membrane-derived.
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Bauer et al. (2009) studied this question.
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