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Bioanalysis. 2012 May;4(9):1111-21. doi: 10.4155/bio.12.86.

SPE-MS analysis of absorption, distribution, metabolism and excretion assays: a tool to increase throughput and steamline workflow.

Author information

1
Agilent Technologies Inc., 11 Audubon Road, Wakefield, MA 01880-1256, USA. vaughn.miller@agilent.com

Abstract

In an effort to create faster and more efficient bioanalytical methods for drug development, many investigators have evaluated a variety of SPE-MS systems. Over the past 15 years online systems have evolved from run times of >1.5 min/sample to <10 s/sample. High-throughput SPE-MS methods for in vitro absorption, distribution, metabolism and excretion screening assays have been described by several laboratories and shown to produce results comparable to conventional LC-MS/MS systems. While quantitative analysis of small molecules in biological matrixes holds many challenges, for several applications SPE-MS methods have achieved comparable results to LC-MS/MS with the benefit of 10-30-times the throughput. Based on its distinct advantages of throughput and streamlined workflow efficiencies, SPE-MS is a useful tool for the analysis of many in vitro absorption, distribution, metabolism and excretion assays and in vivo bioanalytical studies. Further development of SPE-MS methods and analysis workflows has the potential to expand the capabilities of this technology for other challenging bioanalytical applications.

PMID:
22612690
DOI:
10.4155/bio.12.86
[Indexed for MEDLINE]

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