College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei, P. R. China.
Abstract:
Two porphyrin dimers bridged by 4,4'-dicarboxy-2,2'-bipyridine have been synthesised and characterised, and binding and photocleavage properties of a selected porphyrin with DNA have been studied using absorption, fluorescence and CD spectroscopy and gel electrophoresis.