期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 7, 期 6, 页码 976-984出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.5b02756
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资金
- National Science Foundation [CHE-1465138, ACI-1053575]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1465138] Funding Source: National Science Foundation
A lot has been learned about the physical and chemical transformations that originate from the absorption of light by DNA, and computational chemistry has played a critical role in revealing the mechanisms of how these transformations occur. Nucleic acids consist of chromophores interacting via pi stacking and hydrogen bonding. The fate of these systems after they absorb light is determined by the interplay and competition between pathways involving one chromophore or interacting chromophores. This Perspective highlights the role of pi stacking in photophysical and photochemical processes in oligonucleotides and reveals the importance of excimers and exciplexes. Special types of excimers/exciplexes, characterized as bonded excimers/exciplexes, are also found to be important.
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