Search results for "Excimers"

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Toward the understanding of DNA fluorescence: The singlet excimer of cytosine

2006

By using the multiconfigurational second-order perturbation method CASPT2, including corrections for the basis set superposition error, the lowest-singlet excited state of the face-to-face π-stacked cytosine homodimer is revealed to be bound by about half an eV, being the source of an emissive feature consistent with the observed redshifted fluorescence. Gloria.Olaso@uv.es Daniel.Roca@uv.es Luis.Serrano@uv.es Manuela.Merchan@uv.es

Models MolecularDNA ; Molecular biophysics ; Fluorescence ; Excimers ; Perturbation theory ; Excited states ; Red shift ; BiochemistryTime FactorsLightUltraviolet RaysOligonucleotidesGeneral Physics and AstronomyPerturbation theoryExcimerBiochemistryFluorescenceCytosinechemistry.chemical_compoundSinglet statePhysical and Theoretical ChemistryPerturbation theory:FÍSICA::Química física [UNESCO]ExcimersChemistry PhysicalExcited statesDNAMolecular biophysicsFluorescenceRed shiftUNESCO::FÍSICA::Química físicaMicroscopy FluorescenceModels ChemicalchemistryExcited stateAtomic physicsLuminescenceDimerizationCytosineDNAThe Journal of Chemical Physics
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