Fluorescence resonance energy transfer between cationic porphyrins accelerated with DNA as a template

Francis D'Souza, Lisa M. Rogers, D. M.Shafiqul Islam, Yasuyuki Araki, Osamu Ito, Takehiko Wada

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Resonance energy transfer between two cationic porphyrins, viz., (meso-tetrakis(N-methylpyridinium-4-yl)porphyrin and its zinc derivative, along a model DNA, poly(dA-dT) as a template is demonstrated. The rate of energy transfer (kEnT), quantum yield (ΦEnT), and critical transfer distance are evaluated to be 1.78 × 109 s -1, 0.74, and 23 Å, respectively, indicating efficient energy transfer process.

Original languageEnglish
Pages (from-to)460-461
Number of pages2
JournalChemistry Letters
Volume37
Issue number4
DOIs
Publication statusPublished - 2008 Apr 5

ASJC Scopus subject areas

  • Chemistry(all)

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