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The Influence of Guanine on DNA Hole Transport Efficiency
Author(s) -
Lewis Frederick D.,
Daublain Pierre,
Cohen Boiko,
VuraWeis Josh,
Wasielewski Michael R.
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200705903
Subject(s) - guanine , chromophore , sequence (biology) , charge (physics) , dna , acceptor , chemistry , base (topology) , electron , process (computing) , computer science , physics , photochemistry , mathematics , biochemistry , quantum mechanics , gene , nucleotide , mathematical analysis , operating system
Stopover at G base : The efficiency of photoinduced charge separation between donor and acceptor chromophores separated by a polyadenine sequence containing a single guanine (G) is sensitive to the location of G and the total length of the polypurine sequence. Quantum yields provide support for a stepwise mechanism in which G serves as a temporary resting place in the overall process (Sa: stilbenedicarboxamide electron acceptor, Sd: stilbenediether electron donor).

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