Application of pressurized solvents for ultrafast trypsin hydrolysis in proteomics: proteomics on the fly.
Application of pressurized solvents for ultrafast trypsin hydrolysis in proteomics: proteomics on the fly.
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DOI:
10.1021/pr7008077
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发表时间:
2008-08
影响因子:
4.4
通讯作者:
Smith, Richard D.
中科院分区:
文献类型:
--
作者:
Lopez-Ferrer, Daniel;Petritis, Konstantinos;Hixson, Kim K.;Heibeck, Tyler H.;Moore, Ronald J.;Belov, Mikhail E.;Camp, David G., II;Smith, Richard D.
A new method for rapid proteolytic digestion of proteins under high pressure that uses pressure cycling technology in the range of 5 to 35 kpsi was demonstrated for proteomic analysis. Successful in-solution digestions of single proteins and complex protein mixtures were achieved in 60 s and then analyzed by reversed phase liquid chromatography-electrospray ionization ion trap-mass spectrometry. Method performance in terms of the number of Shewanella oneidensis peptides and proteins identified in a shotgun approach was evaluated relative to a traditional “overnight” sample preparation method. Advantages of the new method include greatly simplified sample processing, easy implementation, no cross contamination among samples, and cost effectiveness.
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