Microscopic measurement of circular dichroism spectra

Anal Sci. 2008 Feb;24(2):297-300. doi: 10.2116/analsci.24.297.

Abstract

A microscope device to measure the circular dichroism (CD) spectra of a specified microscopic region of chiral samples was constructed by combining of a couple of objective lenses and a CCD camera, which was installed in a sample chamber of a commercially available CD spectropolarimeter. By using this apparatus, high quality micro-CD spectra in the 60 x 60 microm region of samples could be measured. Micro-CD spectra of thin film of chiral DNA samples on glass and a natural kidney bean leaf were measured, and the potential of the micro-CD apparatus was successfully demonstrated.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Circular Dichroism / instrumentation*
  • Circular Dichroism / methods*
  • DNA / analysis*
  • Equipment Design
  • Membranes, Artificial
  • Microscopy, Polarization / instrumentation
  • Particle Size
  • Phaseolus / chemistry*
  • Plant Leaves / chemistry*
  • Sensitivity and Specificity

Substances

  • Membranes, Artificial
  • DNA