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

O'Neill, Melanie A. and Becker, Hans-Christian and Wan, Chaozhi and Barton, Jacqueline K. and Zewail, Ahmed H. (2003) Ultrafast Dynamics in DNA-Mediated Electron Transfer: Base Gating and the Role of Temperature. Angewandte Chemie International Edition, 42 (47). pp. 5896-5900. ISSN 1433-7851. doi:10.1002/anie.200352831. https://resolver.caltech.edu/CaltechAUTHORS:20160212-080416474

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Abstract

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.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1002/anie.200352831DOIArticle
http://onlinelibrary.wiley.com/wol1/doi/10.1002/anie.200352831/abstractPublisherArticle
ORCID:
AuthorORCID
Barton, Jacqueline K.0000-0001-9883-1600
Additional Information:© 2003 Wiley-VCH Verlag GmbH & Co. Received: September 9, 2003. Article first published online: 8 Dec 2003. 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.
Funders:
Funding AgencyGrant Number
NSFUNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Wenner-Gren FoundationUNSPECIFIED
Caltech Laboratory for Molecular SciencesUNSPECIFIED
Subject Keywords:DNA dynamics - electron transfer - femtochemistry - intercalations - purines
Issue or Number:47
DOI:10.1002/anie.200352831
Record Number:CaltechAUTHORS:20160212-080416474
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20160212-080416474
Official Citation:O'Neill, M. A., Becker, H.-C., Wan, C., Barton, J. K. and Zewail, A. H. (2003), Ultrafast Dynamics in DNA-Mediated Electron Transfer: Base Gating and the Role of Temperature. Angew. Chem. Int. Ed., 42: 5896–5900. doi: 10.1002/anie.200352831
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:64448
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:19 Feb 2016 22:03
Last Modified:10 Nov 2021 23:31

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