DNA/RNA: Building blocks of life under UV irradiation

DNA/RNA: Building blocks of life under UV irradiation (367 views)

Gustavsson T, Improta R, Markovitsi D

J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2010 Jul 1; 1(13): 2025-2030.

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Paper type: Journal Article,

Impact factor: 6.687, 5-year impact factor: 6.91

Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-77954307656&partnerID=40&md5=8e830a124ce8911ce7a9b9b5fe497180

Keywords: Building Blockes, Conical Intersection, Environmental Factors, Nonradiative Decays, Nucleic Acid Basis, Photo-Stability, Substituent And Solvent Effects, Ultra-Fast, Uv Irradiation, Quantum Chemistry, Excited States,

Affiliations:
Laboratoire Francis Perrin, CEA/DSM/IRAMIS/SPAM, CEA/Saclay, 91191 Gif-sur-Yvette, France

References:
Not available.

DNA/RNA: Building blocks of life under UV irradiation

During the last 10 years, intense experimental and theoretical work has proven the existence of ultrafast nonradiative decay routes for UV-excited monomeric nucleic acid bases, accounting for their high photostability. This mechanism has been explained by the occurrence of easily accessible conical intersections connecting the first excited ππ* state with the ground state. However, recent studies of substituent and solvent effects indicate that the situation is more complicated than what was initially thought, notably by the presence of dark excited states. Moreover, the actual shape of the excited-state potential energy surface may induce nonexponential dynamics. Further efforts are needed in order to clarify how various environmental factors affect the structural and dynamical aspects of the nucleic acid base excited states. © 2010 American Chemical Society.

DNA/RNA: Building blocks of life under UV irradiation

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DNA/RNA: Building blocks of life under UV irradiation

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Di Natale G, Pappalardo G, Milardi D, Sciacca MF, Attanasio F, La Mendola D, Rizzarelli E
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Banyasz A, Karpati S, Mercier Y, Reguero M, Gustavsson T, Markovitsi D, Improta R
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Grasso G, Rizzarelli E, Spoto G
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Karunakaran V, Kleinermanns K, Improta R, Kovalenko SA
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Mercier Y, Santoro F, Reguero M, Improta R
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Gustavsson T, Bányász A, Sarkar N, Markovitsi D, Improta R
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Pappalardo G, Milardi D, Magrì A, Attanasio F, Impellizzeri G, La Rosa C, Grasso D, Rizzarelli E
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13 Records (12 excluding Abstracts).
Total impact factor: 100.092 (99.197 excluding Abstracts).
Total 5 year impact factor: 105.63 (104.357 excluding Abstracts).

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