19 research outputs found
Structure of 2,4-Diaminopyrimidine-Theobromine Alternate Base Pairs
No full textWe report the structure of dusters of 2,4-diaminopyrimidine with 3,7-dimethylxanthine (theobromine) in the gas phase determined by IR-UV double resonance spectroscopy in both the near-IR and mid-IR regions in combination with ab initio computations. These clusters represent potential alternate nucleobase pairs, geometrically equivalent to guanine cytosine. We have found the four lowest energy structures, which include the Watson Crick base pairing motif. This Watson Crick structure has not been observed by resonant two-photon ionization (R2PI) in the gas phase for the canonical DNA base pairs
Effect of substituents on the excited-state dynamics of the modified DNA bases 2,4-diaminopyrimidine and 2,6-diaminopurine
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Structure of 2,4-Diaminopyrimidine-Theobromine Alternate Base Pairs
No full textWe report the structure of dusters of 2,4-diaminopyrimidine with 3,7-dimethylxanthine (theobromine) in the gas phase determined by IR-UV double resonance spectroscopy in both the near-IR and mid-IR regions in combination with ab initio computations. These clusters represent potential alternate nucleobase pairs, geometrically equivalent to guanine cytosine. We have found the four lowest energy structures, which include the Watson Crick base pairing motif. This Watson Crick structure has not been observed by resonant two-photon ionization (R2PI) in the gas phase for the canonical DNA base pairs
Ultrafast Population Dynamics of Surface-Active Dyes during Electrochemically Controlled Ion Transfer across a Liquid|Liquid Interface
No full textDynamics of Functionalized Surface Molecular Monolayers Studied with Ultrafast Infrared Vibrational Spectroscopy
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Orientational Time Correlation Functions for Vibrational Sum-Frequency Generation. 3. Methanol
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