4.4 Article Proceedings Paper

Comparing vacuum and extreme ultraviolet radiation for postionization of laser desorbed neutrals from bacterial biofilms and organic fullerenes

出版社

ELSEVIER
DOI: 10.1016/j.nima.2010.12.024

关键词

Biofilm; Mass spectrometry; Postionization; Synchrotron radiation; Extreme ultraviolet; Vacuum ultraviolet

资金

  1. NIBIB NIH HHS [R01 EB006532-04, R01 EB006532] Funding Source: Medline

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Vacuum and extreme ultraviolet radiation from 8 to 24 eV generated at a synchrotron was used to postionize laser desorbed neutrals of antibiotic-treated biofilms and a modified fullerene using laser desorption postionization mass spectrometry (LDPI-MS). Results show detection of the parent ion, various fragments, and extracellular material from biofilms using LDPI-MS with both vacuum and extreme ultraviolet photons. Parent ions were observed for both cases, but extreme ultraviolet photons (16-24 eV) induced more fragmentation than vacuum ultraviolet (8-14 eV) photons. (C) 2010 Elsevier B.V. All rights reserved.

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