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Site selective generation of guanine radical cation in duplex DNA: modulation of the direction of hole transport

✍ Scribed by Kazuhiko Nakatani*; Chikara Dohno; Isao Saito

Book ID: 104211361
Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 248 KB
Volume: 41
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)01816-5

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✦ Synopsis

Photoinduced electron transfer between cyanobenzophenone substituted 2%-deoxyuridine (d CNBP U) and GG sequence on the same strand of duplex DNA was examined. It was found that 5%-GT CNBP U-3% was a most effective sequence for the generation of guanine radical cation, showing that DNA oligomers containing d CNBP U are widely usable for the studies for DNA-mediated charge transport. By using 5%-GT CNBP U-3% sequence, we observed a remarkable one direction hole transport.

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