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Single‐Molecule Fluorescence Studies Reveal Long‐Range Electron‐Transfer Dynamics Through Double‐Stranded DNA
Author(s) -
Kumbhakar Manoj,
Kiel Alexander,
Pal Haridas,
Herten DirkPeter
Publication year - 2009
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200800700
Subject(s) - fluorescence , chemical physics , electron transfer , molecule , range (aeronautics) , dna , chemistry , electron , single molecule experiment , dynamics (music) , materials science , photochemistry , physics , optics , biochemistry , organic chemistry , quantum mechanics , composite material , acoustics
Complex dynamics of combined long‐range fluorescence resonance energy transfer (FRET) and short‐range electron transfer (ET) processes in a single double‐stranded DNA (dsDNA) molecule (see figure) reveals that FRET remains almost unaltered in the presence of ET. Present systems also demonstrate the potential for long‐range ET studies through the base stack in single dsDNA molecules.