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Review
. 2011 Jun;3(12):1379-97.
doi: 10.4155/bio.11.112.

Bioanalytical approaches to analyzing peptides and proteins by LC--MS/MS

Matthew Ewles  1 , Lee Goodwin
Affiliations
Review

Bioanalytical approaches to analyzing peptides and proteins by LC--MS/MS

Matthew Ewles et al. Bioanalysis. 2011 Jun.

Abstract

Peptides and proteins have been utilized as therapeutic agents for over 40 years. Traditional approaches to quantify these molecules in biological matrices have utilized immunoassay approaches that can be time inefficient, lack assay specificity and have limited analytical ranges. The advances in sample preparation technologies, chromatographic systems and their chemistries, mass spectrometers and their software over the last decade have meant that LC-MS/MS approaches to peptide and protein quantification are feasible and can overcome the problems associated with quantification by immunoassay. In this article we present an overview of the challenges and approaches to overcome them when performing quantitative bioanalysis of peptides and proteins by LC-MS/MS.

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