Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1111, Issue 2, Pages 175-191Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2005.06.080
Keywords
human plasma proteome; in-solution digestion; multi-dimensional protein identification technology; human plasma; clinical proteomics
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Multi-dimensional protein identification technology (MudPIT) is becoming a prevalent proteomic approach due to its high-throughput separations and accurate mass detection. Prior to MudPIT analysis, complicated samples required in-solution digestion. Unlike in-gel digestion, in which enzymes work on just a few proteins, in-solution digestion involves simultaneous digestion of hundreds or thousands of proteins. In-solution digestion protocols must therefore be very efficient. Few investigations have evaluated the efficiency of in-solution digestion protocols. The present research compared three such protocols. Results suggest that a protocol utilizing trifluoroethanol (TFE) as denaturant is most efficient. (c) 2005 Elsevier B.V. All rights reserved.
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