Ned Porter
Faculty Member
Last active: 5/29/2014

Nonacid cleavable detergents applied to MALDI mass spectrometry profiling of whole cells.

Norris JL, Hangauer MJ, Porter NA, Caprioli RM
J Mass Spectrom. 2005 40 (10): 1319-26

PMID: 16220468 · DOI:10.1002/jms.914

Although cleavable detergents were first synthesized a number of years ago, they have only recently been successfully applied to problems involving biological molecules. Recent reports have demonstrated that these compounds are useful for applications involving both 2D PAGE and mass spectrometry. However, most cleavable surfactants have utilized acid-labile functional groups to affect cleavage. In applications where extreme pH is required, acid cleavable detergents have limited usefulness. We report the synthesis of fluoride cleavable silane compounds and photolabile cinnamate esters as cleavable detergents having alternative cleavage chemistries than previously reported cleavable detergents. These compounds were applied to whole cell analysis using MALDI mass spectrometry, and it was demonstrated that their use results in an increase in the number of proteins analyzed by increasing protein solubility.

Copyright (c) 2005 John Wiley & Sons, Ltd.

MeSH Terms (6)

Cell Line, Tumor Detergents Humans Membrane Proteins Sensitivity and Specificity Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization

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