Please use this identifier to cite or link to this item: http://repository.aaup.edu/jspui/handle/123456789/31
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dc.contributor.authorjacob berenbeim, $Other$Other-
dc.contributor.authorsamuel boldissar, $Other$Other-
dc.contributor.authorfaady siouri, $AAUP$Palestinian-
dc.contributor.authorgregory gate, $AAUP$Other-
dc.contributor.authormichael r. haggmark, $Other$Other-
dc.contributor.authorbriana aboulache, $Other$Other-
dc.contributor.authortrevor cohen, $Other$Other-
dc.contributor.authormattanjah de vries, $Other$Other-
dc.date.accessioned2019-11-10T09:31:25Z-
dc.date.available2019-11-10T09:31:25Z-
dc.date.issued2017-10-06-
dc.identifier.urihttp://repository.aaup.edu/jspui/handle/123456789/31-
dc.description.abstractWe present resonant two-photon ionization (R2PI) spectra of isocytosine (isoC) and pump–probe results on two of its tautomers. IsoC is one of a handful of alternative bases that have been proposed in scenarios of prebiotic chemistry. It is structurally similar to both cytosine (C) and guanine (G). We compare the excited-state dynamics with the Watson–Crick (WC) C and G tautomeric forms. These results suggest that the excited-state dynamics of WC form of G may primarily depend on the heterocyclic substructure of the pyrimidine moiety, which is chemically identical to isoC. For WC isoC we find a single excited-state decay with a rate of ?1010 s–1, while the enol form has multiple decay rates, the fastest of which is 7 times slower than for WC isoC. The excited-state dynamics of isoC exhibits striking similarities with that of G, more so than with the photodynamics of C.en_US
dc.language.isoen_USen_US
dc.publisherThe Journal of Physical Chemistry Letteren_US
dc.titleExcited State Dynamics of Isocytosine; a Hybrid Case of Canonical Nucleobase Photodynamicsen_US
dc.typeArticleen_US
Appears in Collections:Faculty & Staff Scientific Research publications

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