Silver nanoparticles as selective ionization probes for analysis of olefins by mass spectrometry

Stacy D. Sherrod, Arnaldo J. Diaz, William K. Russell, Paul S. Cremer, David H. Russell

Research output: Contribution to journalArticle

95 Scopus citations

Abstract

Laser desorption/ionization (LDI) using silver nanoparticles (AgNPs) is shown to selectively ionize olefinic compounds, e.g., cholesterol, 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC), and carotenoids. Selective AgNP LDI can be carried out from complex mixtures without the addition of an organic matrix, sample cleanup, or prefractionation. Results presented in this report are the first to demonstrate the selective ionization of specific compounds from a complex mixture using metal nanoparticles.

Original languageEnglish (US)
Pages (from-to)6796-6799
Number of pages4
JournalAnalytical Chemistry
Volume80
Issue number17
DOIs
StatePublished - Sep 1 2008
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry

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