Development of Miniaturized Sorbent Membrane Funnel-Based Spray Platform for Biological Analysis
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AbstractIn this work, a miniaturized solid-phase extraction (SPE) platform, called Sorbent membrane funnel, which permits in situ cleanup prior to membrane funnel-based spray analysis was developed. The fabrication of funnel and the mounting of SPE sorbent were simple and straightforward by a homemade punching system. Using different sorbents, the SPE sorbent funnel has been successfully applied in spray analysis of drug molecules spiked in human plasma, trypsin digested solution of bovine serum albumin in the presence of high concentration of chaotropic reagents, and phosphopeptides in the tryptic digested solution of casein. The results demonstrated that SPE sorbent attached membrane funnels can be a useful tool in common metabolomic and proteomic applications.
All Author(s) ListYeung HS, Chen XF, Li W, Wang Z, Wong YLE, Chan TWD
Journal nameAnalytical Chemistry
Year2015
Month3
Day17
Volume Number87
Issue Number6
PublisherAmerican Chemical Society
Pages3149 - 3153
ISSN0003-2700
eISSN1520-6882
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesChemistry; Chemistry, Analytical

Last updated on 2020-23-11 at 00:23