Surface-Enhanced Raman Spectroscopy as a Tool for Probing Specific Biochemical Components in Bacteria
- 1 January 2004
- journal article
- research article
- Published by SAGE Publications in Applied Spectroscopy
- Vol. 58 (1) , 33-40
- https://doi.org/10.1366/000370204322729441
Abstract
Treatment of bacteria with silver yields intense and highly specific surface-enhanced Raman spectroscopy (SERS) spectra from various cellular chemical components located in the vicinity of the silver colloids. In particular, we demonstrate an extreme sensitivity to flavin components associated with the cell envelope and to their state of oxidation. Different spectra, possibly associated with DNA, carboxylates, and perhaps phosphates, are obtained from the soluble interior fraction of the cell.Keywords
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