Excited state proton transfer is not involved in the ultrafast deactivation of Guanine-cytosine pair in solution (217 views visite)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2011 Dec 14; 133(49): 19664-19667.
Export to Esporta in BibTeX Export to Esporta in EndNote
Paper type Tipo di articolo: Journal Article,
Impact factor: 9.907, 5-year impact factor Impact factor a 5 anni: 9.766
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-83055197004&partnerID=40&md5=badce0a8bbb0ea483904de0f64c1ad3b
Keywords Parole chiave: Broad Bands, Charge Transfer State, Excited-State Decay, Excited-State Proton Transfer, Gasphase, Guanine, Guanine Cytosines, Internal Conversions, Polar Environments, Population Transfer, Time Dependent Density Functional Theory, Transient Absorption Spectroscopies, Ultra-Fast, Ultra-Fast Dynamics, Population Statistics, Positive Ions, Excited States, Chloroform, Monomer, Article, Chemical Environment, Chemical Reaction, Energy, Excited State Proton Transfer, Molecular Dynamics, Proton Transport, Base Pairing, Quantum Theory, Solutions, Spectrum Analysis,
Affiliations Affiliazioni:
*** IBB - CNR ***
Department of Physical Chemistry, Heinrich-Heine University, University-str. 1, D-40225 Düsseldorf, Germany
Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, D-12489 Berlin, Germany
Istituto Biostrutture e Bioimmagini-CNR, Via Mezzocannone 16, I-80134 Napoli, Italy
References Riferimenti:
Löwdin, P.O., (1963) Rev. Mod. Phys., 35, p. 72
Löwdin, P.O., (1965) Mutat. Res., 2, p. 218
Kryachko, E.S., (2002) Int. J. Quantum Chem., 90, p. 910
Middleton, C.T., De La Harpe, K., Su, C., Law, Y.K., Crespo-Hernández, C.E., Kohler, B., (2009) Annu. Rev. Phys. Chem., 60, pp. 217-239
Markovitsi, D., Gustavsson, T., Vayà, I., (2010) J. Phys. Chem. Lett., 1, pp. 3271-3276
Schultz, T., Samoylava, E., Radloff, W., Hertl, I.V., Sobolewski, A.L., Domcke, W., (2004) Science, 306, pp. 1765-1768
Nir, E., Plützer, Ch., Kleinermanns, K., De Vries, M., (2002) Eur. Phys. J. D., 20, pp. 317-329
Abo-Riziq, A., Grace, L., Nir, E., Kabelac, M., Hobza, P., De Vries, M.S., (2005) Proc. Natl. Acad. Sci. U.S.A., 102, pp. 20-23
Markwick, P.R.L., Doltsinis, N.L., (2007) J. Chem. Phys., 126, p. 175102
Groenhof, G., Schäfer, L.V., Boggio-Pasqua, M., Goette, M., Grubmüller, H., Robb, M.A., (2007) J. Am. Chem. Soc., 129, pp. 6812-6819
Schwalb, N.K., Michalak, T., Temps, F., (2009) J. Phys. Chem. B, 113, pp. 16365-16376
Schwalb, N.K., Temps, F., (2007) J. Am. Chem. Soc., 129, pp. 9272-9273
De La Harpe, K., Crespo-Hernández, C.E., Kohler, B., (2009) J. Am. Chem. Soc., 131, pp. 17557-17559
Miannay, F.-A., Bányász, A., Gustavsson, T., Markovitsi, D., (2007) J. Am. Chem. Soc., 129, pp. 14574-14575
Vayá, I., Changenet-Barret, P., Gustavsson, T., Zikich, D., Kotlyar, A.B., Markovitsi, D., (2010) Photochem. Photobiol. Sci., 9, pp. 1193-1195
Doorley, G.W., (2008) Ang. Chem., Int. Ed., 48, pp. 123-127
Kovalenko, S.A., Schanz, R., Henning, H., Ernsting, N.P., (2001) J. Chem. Phys., 115, p. 3256
Karunakaran, V., Kleinermanns, K., Improta, R., Kovalenko, S.A., (2009) J. Am. Chem. Soc., 131, p. 5839
L wdin, P. O., (1963) Rev. Mod. Phys., 35, p. 72
L wdin, P. O., (1965) Mutat. Res., 2, p. 218
Kryachko, E. S., (2002) Int. J. Quantum Chem., 90, p. 910
Middleton, C. T., De La Harpe, K., Su, C., Law, Y. K., Crespo-Hern ndez, C. E., Kohler, B., (2009) Annu. Rev. Phys. Chem., 60, pp. 217-239
Nir, E., Pl tzer, Ch., Kleinermanns, K., De Vries, M., (2002) Eur. Phys. J. D., 20, pp. 317-329
Markwick, P. R. L., Doltsinis, N. L., (2007) J. Chem. Phys., 126, p. 175102
Groenhof, G., Sch fer, L. V., Boggio-Pasqua, M., Goette, M., Grubm ller, H., Robb, M. A., (2007) J. Am. Chem. Soc., 129, pp. 6812-6819
Schwalb, N. K., Michalak, T., Temps, F., (2009) J. Phys. Chem. B, 113, pp. 16365-16376
Schwalb, N. K., Temps, F., (2007) J. Am. Chem. Soc., 129, pp. 9272-9273
Miannay, F. -A., B ny sz, A., Gustavsson, T., Markovitsi, D., (2007) J. Am. Chem. Soc., 129, pp. 14574-14575
Vay, I., Changenet-Barret, P., Gustavsson, T., Zikich, D., Kotlyar, A. B., Markovitsi, D., (2010) Photochem. Photobiol. Sci., 9, pp. 1193-1195
Doorley, G. W., (2008) Ang. Chem., Int. Ed., 48, pp. 123-127
Kovalenko, S. A., Schanz, R., Henning, H., Ernsting, N. P., (2001) J. Chem. Phys., 115, p. 3256
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2011 Dec 14; 133(49): 19664-19667.
Export to Esporta in BibTeX Export to Esporta in EndNote
Paper type Tipo di articolo: Journal Article,
Impact factor: 9.907, 5-year impact factor Impact factor a 5 anni: 9.766
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-83055197004&partnerID=40&md5=badce0a8bbb0ea483904de0f64c1ad3b
Keywords Parole chiave: Broad Bands, Charge Transfer State, Excited-State Decay, Excited-State Proton Transfer, Gasphase, Guanine, Guanine Cytosines, Internal Conversions, Polar Environments, Population Transfer, Time Dependent Density Functional Theory, Transient Absorption Spectroscopies, Ultra-Fast, Ultra-Fast Dynamics, Population Statistics, Positive Ions, Excited States, Chloroform, Monomer, Article, Chemical Environment, Chemical Reaction, Energy, Excited State Proton Transfer, Molecular Dynamics, Proton Transport, Base Pairing, Quantum Theory, Solutions, Spectrum Analysis,
Affiliations Affiliazioni:
*** IBB - CNR ***
Department of Physical Chemistry, Heinrich-Heine University, University-str. 1, D-40225 Düsseldorf, Germany
Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, D-12489 Berlin, Germany
Istituto Biostrutture e Bioimmagini-CNR, Via Mezzocannone 16, I-80134 Napoli, Italy
References Riferimenti:
Löwdin, P.O., (1963) Rev. Mod. Phys., 35, p. 72
Löwdin, P.O., (1965) Mutat. Res., 2, p. 218
Kryachko, E.S., (2002) Int. J. Quantum Chem., 90, p. 910
Middleton, C.T., De La Harpe, K., Su, C., Law, Y.K., Crespo-Hernández, C.E., Kohler, B., (2009) Annu. Rev. Phys. Chem., 60, pp. 217-239
Markovitsi, D., Gustavsson, T., Vayà, I., (2010) J. Phys. Chem. Lett., 1, pp. 3271-3276
Schultz, T., Samoylava, E., Radloff, W., Hertl, I.V., Sobolewski, A.L., Domcke, W., (2004) Science, 306, pp. 1765-1768
Nir, E., Plützer, Ch., Kleinermanns, K., De Vries, M., (2002) Eur. Phys. J. D., 20, pp. 317-329
Abo-Riziq, A., Grace, L., Nir, E., Kabelac, M., Hobza, P., De Vries, M.S., (2005) Proc. Natl. Acad. Sci. U.S.A., 102, pp. 20-23
Markwick, P.R.L., Doltsinis, N.L., (2007) J. Chem. Phys., 126, p. 175102
Groenhof, G., Schäfer, L.V., Boggio-Pasqua, M., Goette, M., Grubmüller, H., Robb, M.A., (2007) J. Am. Chem. Soc., 129, pp. 6812-6819
Schwalb, N.K., Michalak, T., Temps, F., (2009) J. Phys. Chem. B, 113, pp. 16365-16376
Schwalb, N.K., Temps, F., (2007) J. Am. Chem. Soc., 129, pp. 9272-9273
De La Harpe, K., Crespo-Hernández, C.E., Kohler, B., (2009) J. Am. Chem. Soc., 131, pp. 17557-17559
Miannay, F.-A., Bányász, A., Gustavsson, T., Markovitsi, D., (2007) J. Am. Chem. Soc., 129, pp. 14574-14575
Vayá, I., Changenet-Barret, P., Gustavsson, T., Zikich, D., Kotlyar, A.B., Markovitsi, D., (2010) Photochem. Photobiol. Sci., 9, pp. 1193-1195
Doorley, G.W., (2008) Ang. Chem., Int. Ed., 48, pp. 123-127
Kovalenko, S.A., Schanz, R., Henning, H., Ernsting, N.P., (2001) J. Chem. Phys., 115, p. 3256
Karunakaran, V., Kleinermanns, K., Improta, R., Kovalenko, S.A., (2009) J. Am. Chem. Soc., 131, p. 5839
L wdin, P. O., (1963) Rev. Mod. Phys., 35, p. 72
L wdin, P. O., (1965) Mutat. Res., 2, p. 218
Kryachko, E. S., (2002) Int. J. Quantum Chem., 90, p. 910
Middleton, C. T., De La Harpe, K., Su, C., Law, Y. K., Crespo-Hern ndez, C. E., Kohler, B., (2009) Annu. Rev. Phys. Chem., 60, pp. 217-239
Nir, E., Pl tzer, Ch., Kleinermanns, K., De Vries, M., (2002) Eur. Phys. J. D., 20, pp. 317-329
Markwick, P. R. L., Doltsinis, N. L., (2007) J. Chem. Phys., 126, p. 175102
Groenhof, G., Sch fer, L. V., Boggio-Pasqua, M., Goette, M., Grubm ller, H., Robb, M. A., (2007) J. Am. Chem. Soc., 129, pp. 6812-6819
Schwalb, N. K., Michalak, T., Temps, F., (2009) J. Phys. Chem. B, 113, pp. 16365-16376
Schwalb, N. K., Temps, F., (2007) J. Am. Chem. Soc., 129, pp. 9272-9273
Miannay, F. -A., B ny sz, A., Gustavsson, T., Markovitsi, D., (2007) J. Am. Chem. Soc., 129, pp. 14574-14575
Vay, I., Changenet-Barret, P., Gustavsson, T., Zikich, D., Kotlyar, A. B., Markovitsi, D., (2010) Photochem. Photobiol. Sci., 9, pp. 1193-1195
Doorley, G. W., (2008) Ang. Chem., Int. Ed., 48, pp. 123-127
Kovalenko, S. A., Schanz, R., Henning, H., Ernsting, N. P., (2001) J. Chem. Phys., 115, p. 3256
Excited state proton transfer is not involved in the ultrafast deactivation of Guanine-cytosine pair in solution
Different derivatives of Guanine (G) and Cytosine (C), which sterically enforce the Watson-Crick (WC) conformer, have been studied in CHCl 3 by means of broad-band transient absorption spectroscopy. Our experiments rule out the involvement of an Excited State Proton Transfer (ESPT), which dominates the excited state decay of GC in the gas phase. Instead, the ultrafast dynamics via internal conversion occurs in a polar environment mainly by relaxation in the monomer moieties. Time-dependent density functional theory (TD-DFT) calculations in solution indeed indicate that population transfer from the bright excited states toward the charge transfer state is not effective in CHCl 3 and a noticeable energy barrier is associated with the ESPT reaction. ESPT is therefore not expected to be a main deactivation route for GC pairs within DNA. © 2011 American Chemical Society.
Different derivatives of Guanine (G) and Cytosine (C), which sterically enforce the Watson-Crick (WC) conformer, have been studied in CHCl 3 by means of broad-band transient absorption spectroscopy. Our experiments rule out the involvement of an Excited State Proton Transfer (ESPT), which dominates the excited state decay of GC in the gas phase. Instead, the ultrafast dynamics via internal conversion occurs in a polar environment mainly by relaxation in the monomer moieties. Time-dependent density functional theory (TD-DFT) calculations in solution indeed indicate that population transfer from the bright excited states toward the charge transfer state is not effective in CHCl 3 and a noticeable energy barrier is associated with the ESPT reaction. ESPT is therefore not expected to be a main deactivation route for GC pairs within DNA. © 2011 American Chemical Society.
Excited state proton transfer is not involved in the ultrafast deactivation of Guanine-cytosine pair in solution
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Dettagli Esporta in BibTeX Esporta in EndNote
Santoro F, Barone V, Improta R
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Impact factor totale: 74.854 (74.854 escludendo Abstract e Conferenze).
Impact factor a 5 anni totale: 72.961 (72.961 escludendo Abstract e Conferenze).
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