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Ultrafast Dynamics in DNA-Mediated Electron Transfer: Base Gating and the Role of Temperature

O'Neill, Melanie A. ; Becker, Hans-Christian ; Wan, Chaozhi ; Barton, Jacqueline K. ; Zewail, Ahmed H.

Angewandte Chemie (International ed.), 2003-12, Vol.42 (47), p.5896-5900 [Periódico revisado por pares]

Weinheim: WILEY-VCH Verlag

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  • Título:
    Ultrafast Dynamics in DNA-Mediated Electron Transfer: Base Gating and the Role of Temperature
  • Autor: O'Neill, Melanie A. ; Becker, Hans-Christian ; Wan, Chaozhi ; Barton, Jacqueline K. ; Zewail, Ahmed H.
  • Assuntos: Base Sequence ; DNA - chemistry ; DNA - genetics ; DNA dynamics ; electron transfer ; Electron Transport ; femtochemistry ; intercalations ; Kinetics ; Models, Chemical ; purines ; Temperature
  • É parte de: Angewandte Chemie (International ed.), 2003-12, Vol.42 (47), p.5896-5900
  • Notas: This work was made possible through the support of the Laboratory for Molecular Sciences and the NSF. M.A.O. and H.-C.B. are grateful to NSERC and the Wenner-Gren Foundation, respectively, for postdoctoral fellowships.
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    istex:F86046DB8879D13D318DD88F09DC8B6D18621BC1
    ArticleID:ANIE200352831
    This work was made possible through the support of the Laboratory for Molecular Sciences and the NSF. M.A.O. and H.‐C.B. are grateful to NSERC and the Wenner‐Gren Foundation, respectively, for postdoctoral fellowships.
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  • Descrição: The ultrafast dynamics of electron transfer (ET) between bases in DNA have been determined to elucidate the critical role of base‐pair gating on the timescale of the electron transport and the temperature dependence of the rates. ET occurs only through DNA duplexes that adopt a specific, well‐coupled alignment of bases (ET‐active; see picture). Descriptions of ET dynamics must include fluctuations of DNA bases.
  • Editor: Weinheim: WILEY-VCH Verlag
  • Idioma: Inglês
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