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Cited by 547

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Influence of Matrix Solution Conditions on the MALDI-MS Analysis of Peptides and Proteins

Cohen, Steven L., Chait, Brian T.·1996·Analytical Chemistry

Abstract

Sample-matrix preparation procedures are shown to greatly influence the quality of the matrix-assisted laser desorption/ionization (MALDI) mass spectra of peptides and proteins. In particular, dramatic mass discrimination effects are observed when the matrix 4-hydroxy-alpha-cyanocinnamic acid is used for analyzing complex mixtures of peptides and proteins. The discrimination effects are found to be strongly dependent on the sample-matrix solution composition, pH, and the rates at which the sample-matrix cocrystals are grown. These findings demonstrate the need to exercise great care in performing and interpreting the MALDI analysis of biological samples. The results also indicate that there is a reverse-phase chromatographic-like dimension in the sample-matrix preparation procedures that can be exploited to optimize the analysis. The present work describes the conditions under which the majority of components of a complex mixture of peptides and proteins can be successfully measured.

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Metadata

Authors
Cohen, S. L., & Chait, B. T.
Venue
Analytical Chemistry
Published
1996-01-01
Volume
68
Issue
1
Pages
31-37
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
OpenAlex
W2003593019
Cited by
547
References
1
FWCI
18.17
Type
journal article
Language
en
Open access
closed

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