New Raman Data on Photoinduced Porphyrin Translocation and Exciplex Formation in Cu(TMpy-P4) — DNA Complex

S.G. Kruglik, C. Otto, A.G. Shvedko, V.V. Ermolenkov, V.A. Orlovich, V.S. Chirvony, P.Y. Turpin

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Abstract

    It has been previously found that water-soluble copper porphyrin Cu(TMpy-P4) is able to create a photoinduced exciplex in interaction with DNA [1]. However, one rather puzzling aspect of this process lies in the fact that major part of CuP molecules is known to intercalate between GC base pairs when mixed with DNA while exciplex can be formed only at AT site of double helix. This aspect was noted in [2] where the mechanism of fast porphyrin translocation from GC to AT site has been proposed and discussed.
    Original languageEnglish
    Title of host publicationSpectroscopy of Biological Molecules: Modern Trends
    EditorsP. Carmona, R. Navarro, A. Hernanz
    Place of PublicationDordrecht
    PublisherKluwer Academic Publishers
    Pages395-396
    Number of pages2
    ISBN (Electronic)978-94-011-5622-6
    ISBN (Print)978-94-010-6369-2
    Publication statusPublished - 6 Sep 1997

    Keywords

    • Double Helix
    • RAMAN data
    • Pump pulse duration
    • Puzzling aspect
    • EXCIPLEX formation

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