Ontology highlight
ABSTRACT:
SUBMITTER: Genereux JC
PROVIDER: S-EPMC3079569 | biostudies-literature | 2011 Mar
REPOSITORIES: biostudies-literature
Genereux Joseph C JC Wuerth Stephanie M SM Barton Jacqueline K JK
Journal of the American Chemical Society 20110224 11
Quantum yields for charge transport across adenine tracts of increasing length have been measured by monitoring hole transport in synthetic oligonucleotides between photoexcited 2-aminopurine, a fluorescent analogue of adenine, and N(2)-cyclopropyl guanine. Using fluorescence quenching, a measure of hole injection, and hole trapping by the cyclopropyl guanine derivative, we separate the individual contributions of single- and multistep channels to DNA charge transport and find that with 7 or 8 i ...[more]