Fourier Transform Infrared Spectroscopy as a Tool in Analysis of Proteus mirabilis Endotoxins

Methods Mol Biol. 2017:1600:113-124. doi: 10.1007/978-1-4939-6958-6_11.

Abstract

Fourier transform infrared spectroscopy (FT-IR) was used to scan whole bacterial cells as well as lipopolysaccharides (LPSs, endotoxins) isolated from them. Proteus mirabilis cells, with chemically defined LPSs, served as a model for the ATR FT-IR method. The paper focuses on three steps of infrared spectroscopy: (1) sample preparation, (2) IR scanning, and (3) multivariate analysis of IR data (principal component analysis, PCA).

Keywords: ATR FT-IR spectroscopy; Fourier transform infrared spectroscopy; Lipopolysaccharides; Multivariate analysis; Principal component analysis.

MeSH terms

  • Endotoxins / analysis*
  • Lipopolysaccharides / analysis
  • Multivariate Analysis
  • Principal Component Analysis
  • Proteus mirabilis / metabolism*
  • Spectroscopy, Fourier Transform Infrared / methods*

Substances

  • Endotoxins
  • Lipopolysaccharides