Chemical analysis in vivo and in vitro by Raman spectroscopy-from single cells to humans

Sebastian Wachsmann-Hogiu, Tyler Weeks, Thomas R Huser

Research output: Contribution to journalArticle

136 Scopus citations

Abstract

The gold standard for clinical diagnostics of tissues is immunofluorescence staining. Toxicity of many fluorescent dyes precludes their application in vivo. Raman spectroscopy, a chemically specific, label-free diagnostic technique, is rapidly gaining acceptance as a powerful alternative. It has the ability to probe the chemical composition of biological materials in a non-destructive and mostly non-perturbing manner. We review the most recent developments in Raman spectroscopy in the life sciences, detailing advances in technology that have improved the ability to screen for diseases. Its role in the monitoring of biological function and mapping the cellular chemical microenvironment will be discussed. Applications including endoscopy, surface-enhanced Raman scattering (SERS), and coherent Raman scattering (CRS) will be reviewed.

Original languageEnglish (US)
Pages (from-to)63-73
Number of pages11
JournalCurrent Opinion in Biotechnology
Volume20
Issue number1
DOIs
StatePublished - Feb 2009

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering

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