Summary
E.S.R. spectra of different DNA-quinacrine complexes show as well at 77 K as at 293 K that there exists an electron transfer from the bases to quinacrine facilitated by the overlap of theπ-orbitals of the bases and the intercalated dye. The transfer range may extend over more than 25 or 50 nucleotides depending on the intercalation model considered.
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Hissung, A., Weibezahn, K.F. The action of ionizing radiation on DNA in the presence of quinacrine. Radiat Environ Biophys 13, 137–143 (1976). https://doi.org/10.1007/BF01332174
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DOI: https://doi.org/10.1007/BF01332174