Monitoring the effect of ultrafast deactivation of the electronic excited states of DNA bases and polynucleotides following 267 nm laser excitation using picosecond time-resolved infrared spectroscopy

Chem Commun (Camb). 2005 Mar 7:(9):1182-4. doi: 10.1039/b414450c. Epub 2005 Jan 18.

Abstract

In this paper we demonstrate the use of picosecond time-resolved infrared spectroscopy (ps-TRIR) to monitor the early structural dynamics of DNA bases and polydeoxynucleotides following UV excitation in solution.

Publication types

  • Evaluation Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Base Composition*
  • DNA / chemistry*
  • Electrons
  • Indicators and Reagents
  • Lasers*
  • Molecular Structure
  • Polynucleotides / chemistry*
  • Spectrophotometry, Infrared / methods*
  • Time Factors

Substances

  • Indicators and Reagents
  • Polynucleotides
  • DNA