High-resolution Fourier-transform infrared chemical imaging with multiple synchrotron beams

Nat Methods. 2011 May;8(5):413-6. doi: 10.1038/nmeth.1585. Epub 2011 Mar 20.

Abstract

Conventional Fourier-transform infrared (FTIR) microspectroscopic systems are limited by an inevitable trade-off between spatial resolution, acquisition time, signal-to-noise ratio (SNR) and sample coverage. We present an FTIR imaging approach that substantially extends current capabilities by combining multiple synchrotron beams with wide-field detection. This advance allows truly diffraction-limited high-resolution imaging over the entire mid-infrared spectrum with high chemical sensitivity and fast acquisition speed while maintaining high-quality SNR.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Breast / anatomy & histology
  • Female
  • Humans
  • Image Processing, Computer-Assisted / methods
  • Image Processing, Computer-Assisted / statistics & numerical data
  • Male
  • Microscopy / instrumentation
  • Microscopy / methods*
  • Prostatic Neoplasms / pathology
  • Spectroscopy, Fourier Transform Infrared / instrumentation
  • Spectroscopy, Fourier Transform Infrared / methods*
  • Spectroscopy, Fourier Transform Infrared / statistics & numerical data
  • Staining and Labeling
  • Synchrotrons*