Assessing solvent effects on the singlet excited state lifetime of uracil derivatives: A femtosecond fluorescence upconversion study in alcohols and D2O (286 views)
Chem Phys (ISSN: 0301-0104), 2008 Jun 23; 350(1-3): 186-192.
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Paper type: Journal Article,
Impact factor: 1.961, 5-year impact factor: 1.914
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-44749089311&partnerID=40&md5=e8a3626fabbe6f8fe26262b084a8f751
Keywords: Conical Intersection, Dna, Excited States, Femtosecond, Fluorescence Upconversion, Nucleobases, Pyrimidines, Solvent Effect, Thymine, Uracil,
Affiliations:
*** IBB - CNR ***
Laboratoire Francis Perrin, CEA/DSM/DRECAM/SPAM - CNRS URA 2453, CEA/Saclay, F-91191 Gif-sur-Yvette, France
Department of Chemistry, Indian Institute of Technology, Kharagpur, 721 302 WB, India
Dipartimento di Chimica, Universita Federico II, Complesso Universitario Monte S. Angelo, Via Cintia, I-80126 Napoli, Italy
Istituto Biostrutture e Bioimmagini, CNR, V. Mezzocannone 6, 80134 Napoli, Italy
References:
Kohler, B., (2007) Photochem. Photobiol., 83, p. 59
Crespo-Hernández, C.E., Cohen, B., Hare, P.M., Kohler, B., (2004) Chem. Rev., 104, p. 1977
Matsika, S., (2004) J. Phys. Chem. A, 108, p. 7584
Matsika, S., (2005) J. Phys. Chem. A, 109, p. 7538
Improta, R., Barone, V., (2004) J. Am. Chem. Soc., 126, p. 14320
Zgierski, M.Z., Patchkovskii, S., Fujiwara, T., Lim, E.C., (2005) J. Phys. Chem. A, 109, p. 9384
Merchán, M., Gonzalez-Luque, R., Climent, T., Serrano-Andres, L., Rodriguez, E., Reguero, M., Pelaez, D., (2006) J. Phys. Chem. B, 110, p. 26471
Hudock, H.R., Levine, B.G., Thompson, A.L., Satzger, H., Townsend, D., Gador, N., Ullrich, S., Martinez, T.J., (2007) J. Phys. Chem. A, 111, p. 8500
Ismail, N., Blancafort, L., Olivucci, M., Kohler, B., Robb, M.A., (2002) J. Am. Chem. Soc., 124, p. 6818
Blancafort, L., Robb, M.A., (2004) J. Phys. Chem. A, 108, p. 10609
Blancafort, L., Cohen, B., Hare, P.M., Kohler, B., Robb, M.A., (2005) J. Phys. Chem. A, 109, p. 4431
Zgierski, M.Z., Alavi, S., (2006) Chem. Phys. Lett., 426, p. 398
Blancafort, L., (2007) Photochem. Photobiol., 83, p. 603
Kistler, K.A., Matsika, S., (2007) J. Phys. Chem. A, 111, p. 2650
Zgierski, M.Z., Fujiwara, T., Kofron, W.G., Lim, E.C., (2007) Phys. Chem. Chem. Phys., 9, p. 3206
Marian, C.M., (2005) J. Chem. Phys., 122, p. 104314
Marian, C., Nolting, D., Weinkauf, R., (2005) Phys. Chem. Chem. Phys., 7, p. 3306
Nielsen, S.B., Sølling, T.I., (2005) ChemPhysChem., 6, p. 1276
Perun, S., Sobolewski, A.L., Domcke, W., (2005) Chem. Phys., 313, p. 107
Barbatti, M., Lischka, H., (2007) J. Phys. Chem. A, 111, p. 2852
Chung, W.C., Lan, Z., Ohtsuki, Y., Shimakura, N., Domcke, W., Fujimura, Y., (2007) Phys. Chem. Chem. Phys., 9, p. 2075
Santoro, F., Barone, V., Improta, R., (2007) Proc. Natl. Acad. Sci. USA, 104, p. 9931
Yamazaki, S., Kato, S., (2007) J. Am. Chem. Soc., 129, p. 2901
Gustavsson, T., Banyasz, A., Lazzarotto, E., Markovitsi, D., Scalmani, G., Frisch, M.J., Barone, V., Improta, R., (2006) J. Am. Chem. Soc., 128, p. 607
Gustavsson, T., Sarkar, N., Lazzarotto, E., Markovitsi, D., Barone, V., Improta, R., (2006) J. Phys. Chem. B, 110, p. 12843
Hare, P.M., Crespo-Hernández, C.E., Kohler, B., (2006) J. Phys. Chem. B, 110, p. 18641
Markovitsi, D., Talbot, F., Gustavsson, T., Onidas, D., Lazzarotto, E., Marguet, S., (2006) Nature, 441, pp. E7
Onidas, D., Gustavsson, T., Lazzarotto, E., Markovitsi, D., (2007) J. Phys. Chem. B, 111, p. 9644
Buchvarov, I., Wang, Q., Raytchev, M., Trifonov, A., Fiebig, T., (2007) Proc. Natl. Acad. Sci. USA, 104, p. 4794
Gustavsson, T., Sharonov, A., Markovitsi, D., (2002) Chem. Phys. Lett., 351, p. 195
Sharonov, A., Gustavsson, T., Carré, V., Renault, E., Markovitsi, D., (2003) Chem. Phys. Lett., 380, p. 173
Shiang, J.J., Cole, A.G., Sension, R.J., Hang, K., Weng, Y., Trommel, J.S., Marzilli, L.G., Lian, T., (2006) J. Am. Chem. Soc., 128, p. 801
Marks, D., Zhang, H., Glasbeek, M., Borowicz, P., Grabowska, A., (1997) Chem. Phys. Lett., 275, p. 370
Gulbinas, V., Markovitsi, D., Gustavsson, T., Karpicz, R., Veber, M., (2000) J. Phys. Chem. A, 104, p. 5181
Gustavsson, T., Cassara, L., Marguet, S., Gurzadyan, G., Meulen, P.v.d., Pommeret, S., Mialocq, J.-C., (2003) Photochem. Photobiol. Sci., 2, p. 329
Olivucci, M., Lami, A., Santoro, F., (2005) Angew. Chem., Int. Ed., 44, p. 5118
Improta, R., Santoro, F., (2005) J. Chem. Theory Comput., 1, p. 215
Förster, T., Rokos, K., (1967) Chem. Phys. Lett., 1, p. 279
Knight, A.E.W., Selinger, B.K., (1971) Chem. Phys. Lett., 12, p. 419
Pant, D., Levinger, N.E., (1999) J. Phys. Chem. B, 103, p. 7846
Middleton, C.T., Cohen, B., Kohler, B., (2007) J. Phys. Chem. A, 111, p. 10460
Salet, C., Bensasson, R., (1975) Photochem. Photobiol., 22, p. 231
Brown, I.H., Johns, H.E., (1968) Photochem. Photobiol., 8, p. 273
Marian, C.M., Schneider, F., Kleinschmidt, M., Tatchen, J., (2002) Eur. Phys. J. D: Atom., Mol. Opt. Phys., 20, p. 357
Climent, T., Gonzalez-Luque, R., Merchan, M., Serrano-Andres, L., (2007) Chem. Phys. Lett., 441, p. 327
Chem Phys (ISSN: 0301-0104), 2008 Jun 23; 350(1-3): 186-192.
Export to BibTeX Export to EndNote
Paper type: Journal Article,
Impact factor: 1.961, 5-year impact factor: 1.914
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-44749089311&partnerID=40&md5=e8a3626fabbe6f8fe26262b084a8f751
Keywords: Conical Intersection, Dna, Excited States, Femtosecond, Fluorescence Upconversion, Nucleobases, Pyrimidines, Solvent Effect, Thymine, Uracil,
Affiliations:
*** IBB - CNR ***
Laboratoire Francis Perrin, CEA/DSM/DRECAM/SPAM - CNRS URA 2453, CEA/Saclay, F-91191 Gif-sur-Yvette, France
Department of Chemistry, Indian Institute of Technology, Kharagpur, 721 302 WB, India
Dipartimento di Chimica, Universita Federico II, Complesso Universitario Monte S. Angelo, Via Cintia, I-80126 Napoli, Italy
Istituto Biostrutture e Bioimmagini, CNR, V. Mezzocannone 6, 80134 Napoli, Italy
References:
Kohler, B., (2007) Photochem. Photobiol., 83, p. 59
Crespo-Hernández, C.E., Cohen, B., Hare, P.M., Kohler, B., (2004) Chem. Rev., 104, p. 1977
Matsika, S., (2004) J. Phys. Chem. A, 108, p. 7584
Matsika, S., (2005) J. Phys. Chem. A, 109, p. 7538
Improta, R., Barone, V., (2004) J. Am. Chem. Soc., 126, p. 14320
Zgierski, M.Z., Patchkovskii, S., Fujiwara, T., Lim, E.C., (2005) J. Phys. Chem. A, 109, p. 9384
Merchán, M., Gonzalez-Luque, R., Climent, T., Serrano-Andres, L., Rodriguez, E., Reguero, M., Pelaez, D., (2006) J. Phys. Chem. B, 110, p. 26471
Hudock, H.R., Levine, B.G., Thompson, A.L., Satzger, H., Townsend, D., Gador, N., Ullrich, S., Martinez, T.J., (2007) J. Phys. Chem. A, 111, p. 8500
Ismail, N., Blancafort, L., Olivucci, M., Kohler, B., Robb, M.A., (2002) J. Am. Chem. Soc., 124, p. 6818
Blancafort, L., Robb, M.A., (2004) J. Phys. Chem. A, 108, p. 10609
Blancafort, L., Cohen, B., Hare, P.M., Kohler, B., Robb, M.A., (2005) J. Phys. Chem. A, 109, p. 4431
Zgierski, M.Z., Alavi, S., (2006) Chem. Phys. Lett., 426, p. 398
Blancafort, L., (2007) Photochem. Photobiol., 83, p. 603
Kistler, K.A., Matsika, S., (2007) J. Phys. Chem. A, 111, p. 2650
Zgierski, M.Z., Fujiwara, T., Kofron, W.G., Lim, E.C., (2007) Phys. Chem. Chem. Phys., 9, p. 3206
Marian, C.M., (2005) J. Chem. Phys., 122, p. 104314
Marian, C., Nolting, D., Weinkauf, R., (2005) Phys. Chem. Chem. Phys., 7, p. 3306
Nielsen, S.B., Sølling, T.I., (2005) ChemPhysChem., 6, p. 1276
Perun, S., Sobolewski, A.L., Domcke, W., (2005) Chem. Phys., 313, p. 107
Barbatti, M., Lischka, H., (2007) J. Phys. Chem. A, 111, p. 2852
Chung, W.C., Lan, Z., Ohtsuki, Y., Shimakura, N., Domcke, W., Fujimura, Y., (2007) Phys. Chem. Chem. Phys., 9, p. 2075
Santoro, F., Barone, V., Improta, R., (2007) Proc. Natl. Acad. Sci. USA, 104, p. 9931
Yamazaki, S., Kato, S., (2007) J. Am. Chem. Soc., 129, p. 2901
Gustavsson, T., Banyasz, A., Lazzarotto, E., Markovitsi, D., Scalmani, G., Frisch, M.J., Barone, V., Improta, R., (2006) J. Am. Chem. Soc., 128, p. 607
Gustavsson, T., Sarkar, N., Lazzarotto, E., Markovitsi, D., Barone, V., Improta, R., (2006) J. Phys. Chem. B, 110, p. 12843
Hare, P.M., Crespo-Hernández, C.E., Kohler, B., (2006) J. Phys. Chem. B, 110, p. 18641
Markovitsi, D., Talbot, F., Gustavsson, T., Onidas, D., Lazzarotto, E., Marguet, S., (2006) Nature, 441, pp. E7
Onidas, D., Gustavsson, T., Lazzarotto, E., Markovitsi, D., (2007) J. Phys. Chem. B, 111, p. 9644
Buchvarov, I., Wang, Q., Raytchev, M., Trifonov, A., Fiebig, T., (2007) Proc. Natl. Acad. Sci. USA, 104, p. 4794
Gustavsson, T., Sharonov, A., Markovitsi, D., (2002) Chem. Phys. Lett., 351, p. 195
Sharonov, A., Gustavsson, T., Carré, V., Renault, E., Markovitsi, D., (2003) Chem. Phys. Lett., 380, p. 173
Shiang, J.J., Cole, A.G., Sension, R.J., Hang, K., Weng, Y., Trommel, J.S., Marzilli, L.G., Lian, T., (2006) J. Am. Chem. Soc., 128, p. 801
Marks, D., Zhang, H., Glasbeek, M., Borowicz, P., Grabowska, A., (1997) Chem. Phys. Lett., 275, p. 370
Gulbinas, V., Markovitsi, D., Gustavsson, T., Karpicz, R., Veber, M., (2000) J. Phys. Chem. A, 104, p. 5181
Gustavsson, T., Cassara, L., Marguet, S., Gurzadyan, G., Meulen, P.v.d., Pommeret, S., Mialocq, J.-C., (2003) Photochem. Photobiol. Sci., 2, p. 329
Olivucci, M., Lami, A., Santoro, F., (2005) Angew. Chem., Int. Ed., 44, p. 5118
Improta, R., Santoro, F., (2005) J. Chem. Theory Comput., 1, p. 215
Förster, T., Rokos, K., (1967) Chem. Phys. Lett., 1, p. 279
Knight, A.E.W., Selinger, B.K., (1971) Chem. Phys. Lett., 12, p. 419
Pant, D., Levinger, N.E., (1999) J. Phys. Chem. B, 103, p. 7846
Middleton, C.T., Cohen, B., Kohler, B., (2007) J. Phys. Chem. A, 111, p. 10460
Salet, C., Bensasson, R., (1975) Photochem. Photobiol., 22, p. 231
Brown, I.H., Johns, H.E., (1968) Photochem. Photobiol., 8, p. 273
Marian, C.M., Schneider, F., Kleinschmidt, M., Tatchen, J., (2002) Eur. Phys. J. D: Atom., Mol. Opt. Phys., 20, p. 357
Climent, T., Gonzalez-Luque, R., Merchan, M., Serrano-Andres, L., (2007) Chem. Phys. Lett., 441, p. 327
Assessing solvent effects on the singlet excited state lifetime of uracil derivatives: A femtosecond fluorescence upconversion study in alcohols and D2O
The excited state lifetimes of uracil, thymine and 5-fluorouracil have been measured using femtosecond UV fluorescence upconversion in various protic and aprotic polar solvents. The fastest decays are observed in acetonitrile and the slowest in aqueous solution while those observed in alcohols are intermediate. No direct correlation with macroscopic solvent parameters such as polarity or viscosity is found, but hydrogen bonding is one key factor affecting the fluorescence decay. It is proposed that the solvent modulates the relative energy of two close-lying electronically excited states, the bright ππ* and the dark nπ* states. This relative energy gap controls the non-radiative relaxation of the ππ* state through a conical intersection close to the Franck-Condon region competing with the ultrafast internal conversion to the ground state. In addition, an inverse isotope effect is observed in D2O where the decays are faster than in H2O. © 2008 Elsevier B.V. All rights reserved.
The excited state lifetimes of uracil, thymine and 5-fluorouracil have been measured using femtosecond UV fluorescence upconversion in various protic and aprotic polar solvents. The fastest decays are observed in acetonitrile and the slowest in aqueous solution while those observed in alcohols are intermediate. No direct correlation with macroscopic solvent parameters such as polarity or viscosity is found, but hydrogen bonding is one key factor affecting the fluorescence decay. It is proposed that the solvent modulates the relative energy of two close-lying electronically excited states, the bright ππ* and the dark nπ* states. This relative energy gap controls the non-radiative relaxation of the ππ* state through a conical intersection close to the Franck-Condon region competing with the ultrafast internal conversion to the ground state. In addition, an inverse isotope effect is observed in D2O where the decays are faster than in H2O. © 2008 Elsevier B.V. All rights reserved.
Assessing solvent effects on the singlet excited state lifetime of uracil derivatives: A femtosecond fluorescence upconversion study in alcohols and D2O
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Assessing solvent effects on the singlet excited state lifetime of uracil derivatives: A femtosecond fluorescence upconversion study in alcohols and D2O
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Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2012; 14(38): 13350-13364.
Impact Factor: 3.829
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Biemann L, Kovalenko SA, Kleinermanns K, Mahrwald R, Markert M, Improta R
* Excited state proton transfer is not involved in the ultrafast deactivation of Guanine-cytosine pair in solution (302 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2011 Dec 14; 133(49): 19664-19667.
Impact Factor: 9.907
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Improta R, Barone V
* Interplay between "neutral" and "charge-transfer" excimers rules the excited state decay in adenine-rich polynucleotides (499 views)
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic, 1433-7851linking), 2011 Dec 9; 50(50): 12016-12019.
Impact Factor: 13.455
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Picconi D, Barone V, Lami A, Santoro F, Improta R
* The Interplay between ππ*/nπ* excited states in gas-phase thymine: A quantum dynamical study (270 views)
Chemphyschem (ISSN: 1439-4235, 1439-7641, 1439-7641electronic), 2011 Jul 11; 12(10): 1957-1968.
Impact Factor: 3.412
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Gustavsson T, Banyasz A, Improta R, Markovitsi D
* Femtosecond fluorescence studies of DNA/RNA constituents (244 views)
J Phys Conf Ser (ISSN: 1742-6588), 2011; 261(1): 13-13.
Impact Factor: 0.895
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Banyasz A, Karpati S, Mercier Y, Reguero M, Gustavsson T, Markovitsi D, Improta R
* The peculiar spectral properties of amino-substituted uracils: A combined theoretical and experimental study (350 views)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2010 Oct 7; 114(39): 12708-12719.
Impact Factor: 3.603
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Changenet-Barret P, Emanuele E, Gustavsson T, Improta R, Kotlyar AB, Markovitsi D, Vaya I, Zakrzewska K, Zikich D
* Optical properties of guanine nanowires: Experimental and theoretical study (280 views)
J Phys Chem C (ISSN: 1932-7447), 2010 Sep 2; 114(34): 14339-14346.
Impact Factor: 4.524
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Gustavsson T, Improta R, Markovitsi D
DNA/RNA: Building blocks of life under UV irradiation (259 views)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2010 Jul 1; 1(13): 2025-2030.
Impact Factor: 6.687
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Improta R, Santoro F, Barone V, Lami A
* Vibronic model for the quantum dynamical study of the competition between bright and charge-transfer excited states in single-strand polynucleotides: the adenine dimer case (271 views)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic, 1089-5639linking), 2009 Dec 31; 113(52): 15346-15354.
Impact Factor: 2.899
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Improta R, Barone V
* PCM/TD-DFT study of the two lowest excited states of uracil derivatives in solution: The effect of the functional and of the cavity model (219 views)
J Mol Struct Theochem (ISSN: 0166-1280), 2009 Nov 30; 914(1-3): 87-93.
Impact Factor: 1.216
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Karunakaran V, Kleinermanns K, Improta R, Kovalenko SA
* Photoinduced dynamics of guanosine monophosphate in water from broad-band transient absorption spectroscopy and quantum-chemical calculations (278 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(16): 5839-5850.
Impact Factor: 8.58
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Santoro F, Barone V, Improta R
* The Excited States Decay Of The A-T Dna: A Pcm/Td-Dft Study In Aqueous Solution Of The (9-Methyl-Adenine) 2 (1-Methyl-Thymine) 2 Stacked Tetramer (241 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(42): 15232-15245.
Impact Factor: 8.58
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Mercier Y, Santoro F, Reguero M, Improta R
* The decay from the dark nπ* excited state in uracil: An integrated CASPT2/CASSCF and PCM/TD-DFT study in the gas phase and in water (343 views)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2008 Sep 4; 112(35): 10769-10772.
Impact Factor: 4.189
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Improta R, Barone V
The excited states of adenine and thymine nucleoside and nucleotide in aqueous solution: A comparative study by time-dependent DFT calculations (215 views)
Theor Chem Acc (ISSN: 1432-881x), 2008 Jul; 120(4-6): 491-497.
Impact Factor: 2.37
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Gustavsson T, Banyasz A, Sarkar N, Markovitsi D, Improta R
* Statin: New life for an old drug (365 views)
Pharmacol Res Academic Press, 2008 Jun 23; 350(1-3): 1-2.
Impact Factor: 3.976
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Santoro F, Barone V, Improta R
* Can TD-DFT calculations accurately describe the excited states behavior of stacked nucleobases? The cytosine dimer as a test case (291 views)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic, 0192-8651linking), 2008 Apr 30; 29(6): 957-964.
Impact Factor: 3.39
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Improta R
The Excited States Of Pi-Stacked 9-Methyl Adenine Oligomers: A Td-Dft Study In Aqueous Solution (178 views)
Physical Chemistry Chemical Physics, 2008; 10: 2656-2664.
Impact Factor: 2.028
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Santoro F, Barone V, Benzi C, Improta R
* Excited state properties of sizable molecules in solution: From structure to reactivity (243 views)
Theor Chem Acc (ISSN: 1432-881x), 2007 May; 117(5-6): 1073-1084.
Impact Factor: 2.537
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Santoro F, Gustavsson T, Lami S, Barone V, Improta R
* Towards the understanding of the excited state dynamics of nucleic acids: Solvent and stacking effect on the photophysical behavior of nucleobases (225 views)
Aip Conf Proc (ISSN: 0094-243x), 2007; 963(2): 631-634.
Impact Factor: 0
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Santoro F, Barone V, Gustavsson T, Improta R
* Solvent effect on the singlet excited-state lifetimes of nucleic acid bases: A computational study of 5-fluorouracil and uracil in acetonitrile and water (798 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2006 Dec 20; 128(50): 16312-16322.
Impact Factor: 7.696
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Gustavsson T, Sarkar N, Lazzarotto E, Markovitsi D, Improta R
* Singlet excited state dynamics of uracil and thymine derivatives: A femtosecond fluorescence upconversion study in acetonitrile (274 views)
Chem Phys Lett (ISSN: 0009-2614), 2006 Oct 5; 429(4-6): 551-557.
Impact Factor: 2.462
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Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
* Femtosecond study on the isomerization dynamics of NK88. I. Ground-state dynamics after photoexcitation (351 views)
J Chem Phys (ISSN: 0021-9606, 0021-9606print, 0897-690online), 2006 Jul 28; 125(4): 44512-44544.
Impact Factor: 3.247
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Vogt G, Nuernberger P, Gerber G, Improta R, Santoro F, Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
* Femtosecond study on the isomerization dynamics of NK88. II. Excited-state dynamics (339 views)
J Chem Phys (ISSN: 0021-9606, 0897-690online), 2006 Jul 28; 125(4): 44512-44512.
Impact Factor: 3.166
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Gustavsson T, Sarkar N, Lazzarotto E, Markovitsi D, Barone V, Improta R
* Solvent effect on the singlet excited-state dynamics of 5-fluorouracil in acetonitrile as compared with water (315 views)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2006 Jul 6; 110(26): 12843-12847.
Impact Factor: 4.115
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Gustavsson T, Lazzarotto E, Markovitsi D, Banyasz AA, Improta R, Scalmani G
* A combined femtosecond fluorescence and TD-DFT study of uracil derivatives in aqueous solution (239 views)
Femtochemistry Vii Elsevier (ISSN: 9780-4445), 2006; N/D: 254-257.
Impact Factor: 0
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* The Structural Duality of Nucleobases in Guanine Quadruplexes Controls Their Low-Energy Photoionization (12 views)
J Phys Chem Lett (ISSN: 1948-7185linking, 1948-7185electronic), 2021 Sep 2; 12(34): 8309-8313.
Impact Factor: 6.475
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Wang X, Martínez-fernández L, Zhang Y, Zhang K, Improta R, Kohler B, Xu J, Chen J
* Solvent-Dependent Stabilization of a Charge Transfer State is the Key to Ultrafast Triplet State Formation in an Epigenetic DNA Nucleoside (12 views)
Chemistry (ISSN: 0947-6539linking, 1521-3765electronic), 2021 Jul 26; 27(42): 10932-10940.
Impact Factor: 5.236
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Scognamiglio PL, Platella C, Napolitano E, Musumeci D, Roviello GN
* From Prebiotic Chemistry to Supramolecular Biomedical Materials: Exploring the Properties of Self-Assembling Nucleobase-Containing Peptides (28 views)
Molecules (ISSN: 1420-3049linking, 1420-3049electronic), 2021 Jun 10; 26(12): 3558-3558.
Impact Factor: 4.411
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Green JA, Jouybari MY, Aranda D, Improta R, Santoro F
* Nonadiabatic Absorption Spectra and Ultrafast Dynamics of DNA and RNA Photoexcited Nucleobases (22 views)
Molecules (ISSN: 1420-3049linking, 1420-3049electronic), 2021 Mar 20; 26(6): N/D-N/D.
Impact Factor: 4.411
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Yaghoubi Jouybari M, Liu Y, Improta R, Santoro F
* Ultrafast Dynamics of the Two Lowest Bright Excited States of Cytosine and 1-Methylcytosine: A Quantum Dynamical Study (41 views)
J Chem Theory Comput (ISSN: 1549-9618linking, 1549-9626electronic), 2020 Sep 8; 16(9): 5792-5808.
Impact Factor: 5.313
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Avitabile C, Diaferia C, Roviello V, Altamura D, Giannini C, Vitagliano L, Accardo A, Romanelli A
* Fluorescence and Morphology of Self-Assembled Nucleobases and Their Diphenylalanine Hybrid Aggregates (232 views)
Chemistry (ISSN: 0947-6539linking, 1521-3765electronic), 2019 Nov 22; 25(65): 14850-14857.
Impact Factor: 5.476
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Schmid M, Martinez-fernandez L, Markovitsi D, Santoro F, Hache F, Improta R, Changenet P
* Unveiling Excited-State Chirality of Binaphthols by Femtosecond Circular Dichroism and Quantum Chemical Calculations (169 views)
J Phys Chem Lett (ISSN: 1948-7185linking, 1948-7185electronic), 2019 Jul 18; 10(14): 4089-4094.
Impact Factor: 6.687
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Martinez-fernandez L, Gavvala K, Sharma R, Didier P, Richert L, Segarra Marti J, Mori M, Mely Y, Improta R
* Excited-State Dynamics of Thienoguanosine, an Isomorphic Highly Fluorescent Analogue of Guanosine (177 views)
Chemistry (ISSN: 0947-6539linking, 1521-3765electronic), 2019 May 28; 25(30): 7375-7386.
Impact Factor: 5.16
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Conti I, Martinez-fernandez L, Esposito L, Hofinger S, Nenov A, Garavelli M, Improta R
* Multiple Electronic and Structural Factors Control Cyclobutane Pyrimidine Dimer and 6-4 Thymine-Thymine Photodimerization in a DNA Duplex (735 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2017 Oct 26; 23(60): 15177-15188.
Impact Factor: 5.16
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Martinez-fernandez L, Pepino AJ, Segarra-marti J, Jovaisaite J, Vaya I, Nenov A, Markovitsi D, Gustavsson T, Banyasz A, Garavelli M, Improta R
* Photophysics of Deoxycytidine and 5-Methyldeoxycytidine in Solution: A Comprehensive Picture by Quantum Mechanical Calculations and Femtosecond Fluorescence Spectroscopy (242 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 0002-7863print), 2017 Jun 14; 139(23): 7780-7791.
Impact Factor: 14.357
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Pepino AJ, Segarra-marti J, Nenov A, Improta R, Garavelli M
* Resolving Ultrafast Photoinduced Deactivations in Water-Solvated Pyrimidine Nucleosides (296 views)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2017 Apr 20; 8(8): 1777-1783.
Impact Factor: 8.709
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Martinez-fernandez L, Zhang Y, De La Harpe K, Beckstead AA, Kohler B, Improta R
* Photoinduced long-lived charge transfer excited states in AT-DNA strands (178 views)
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2016 Aug 21; 18(31): 21241-21245.
Impact Factor: 4.123
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Roviello GN, Musumeci D
* Synthetic approaches to nucleopeptides containing all the four nucleobases, and nucleic acid-binding studies on a mixed-sequence nucleo-oligolysine (435 views)
Rsc Adv (ISSN: 2046-2069), 2016 Jun; 6: 63578-63585.
Impact Factor: 3.108
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Improta R, Santoro F, Blancafort L
* Quantum Mechanical Studies on the Photophysics and the Photochemistry of Nucleic Acids and Nucleobases (1011 views)
Chem Rev (ISSN: 0009-2665), 2016; 116(6): 3540-3593.
Impact Factor: 47.928
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Roviello GN, Vicidomini C, Di Gaetano S, Capasso D, Musumeci D, Roviello V
* Solid phase synthesis and RNA-binding activity of an arginine-containing nucleopeptide (402 views)
Rsc Adv (ISSN: 2046-2069), 2016; 6(17): 14140-14148.
Impact Factor: 3.108
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Zhang Y, de La Harpe K, Beckstead AA, Improta R, Kohler B
* UV-Induced Proton Transfer between DNA Strands (495 views) (PDF 242 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 0002-7863print), 2015 Jun 10; 137(22): 7059-7062.
Impact Factor: 13.038
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Muñoz-Losa A, Markovitsi D, Improta R
* A State-Specific PCM-DFT method to include dynamic solvent effects in the calculation of ionization energies: Application to DNA bases (245 views)
Chem Phys Lett (ISSN: 0009-2614), 2015; 634: 20-24.
Impact Factor: 1.86
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Improta R, Barone V
* Excited States behavior of nucleobases in solution: insights from computational studies (211 views)
Top Curr Chem (ISSN: 0340-1022), 2015; 355: 329-357.
Impact Factor: 4.014
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Zhang Y, Dood J, Beckstead AA, Li X-B, Nguyen KV, Burrows CJ, Improta R, Kohler B
* Photoinduced Electron Transfer in DNA: Charge Shift Dynamics between 8-Oxo-Guanine Anion and Adenine (817 views)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207linking), 2015; 119(24): 7491-7502.
Impact Factor: 3.187
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Changenet-Barret P, Gustavsson T, Improta R, Markovitsi D
* Ultrafast Excited-State Deactivation of 8-Hydroxy-2′-deoxyguanosine Studied by Femtosecond Fluorescence Spectroscopy and Quantum-Chemical Calculations (471 views)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic), 2015; 119(23): 6131-6139.
Impact Factor: 2.883
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Improta R
* Quantum mechanical calculations unveil the structure and properties of the absorbing and emitting excited electronic states of guanine quadruplex (558 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2014 Jun 23; 20(26): 8106-8115.
Impact Factor: 5.731
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Santoro F, Improta R, Fahleson T, Kauczor J, Norman P, Coriani S
* Relative stability of the La and Lb excited states in adenine and guanine: Direct evidence from TD-DFT calculations of MCD spectra (293 views)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2014 Jun 5; 5(11): 1806-1811.
Impact Factor: 7.458
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Zhang Y, Improta R, Kohler B
Mode-specific vibrational relaxation of photoexcited guanosine 5'-monophosphate and its acid form: a femtosecond broadband mid-IR transient absorption and theoretical study (254 views)
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2014 Jan 28; 16(4): 1487-1499.
Impact Factor: 4.493
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Banyasz A, Gustavsson T, Onidas D, Changenet-Barret P, Markovitsi D, Improta R
* Multi-pathway excited state relaxation of adenine oligomers in aqueous solution: A joint theoretical and experimental study (306 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2013 Mar; 19(11): 3762-3774.
Impact Factor: 5.696
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Banyasz A, Douki T, Improta R, Gustavsson T, Onidas D, Vaya I, Perron M, Markovitsi D
* Electronic excited states responsible for dimer formation upon UV absorption directly by thymine strands: Joint experimental and theoretical study (361 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2012 Sep 12; 134(36): 14834-14845.
Impact Factor: 10.677
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Hua Y, Changenet-Barret P, Improta R, Vaya I, Gustavsson T, Kotlyar AB, Zikich D, Sket P, Plavec J, Markovitsi D
* Cation effect on the electronic excited states of guanine nanostructures studied by time-resolved fluorescence spectroscopy (409 views)
J Phys Chem C (ISSN: 1932-7447), 2012 Jul 12; 116(27): 14682-14689.
Impact Factor: 4.814
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Gustavsson T, Improta R, Banyasz A, Vaya I, Markovitsi D
* The effect of methylation on the excited state dynamics of aminouracils (312 views)
J Photochem Photobiol A Chem (ISSN: 1010-6030), 2012 Apr 15; 234: 37-43.
Impact Factor: 2.416
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Weigel A, Pfaffe M, Sajadi M, Mahrwald R, Improta R, Barone V, Polli D, Cerullo G, Ernsting NP, Santoro F
* Barrierless photoisomerisation of the "simplest cyanine": Joining computational and femtosecond optical spectroscopies to trace the full reaction path (305 views)
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2012; 14(38): 13350-13364.
Impact Factor: 3.829
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Biemann L, Kovalenko SA, Kleinermanns K, Mahrwald R, Markert M, Improta R
* Excited state proton transfer is not involved in the ultrafast deactivation of Guanine-cytosine pair in solution (302 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2011 Dec 14; 133(49): 19664-19667.
Impact Factor: 9.907
View Export to BibTeX Export to EndNote
Improta R, Barone V
* Interplay between "neutral" and "charge-transfer" excimers rules the excited state decay in adenine-rich polynucleotides (499 views)
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic, 1433-7851linking), 2011 Dec 9; 50(50): 12016-12019.
Impact Factor: 13.455
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Picconi D, Barone V, Lami A, Santoro F, Improta R
* The Interplay between ππ*/nπ* excited states in gas-phase thymine: A quantum dynamical study (270 views)
Chemphyschem (ISSN: 1439-4235, 1439-7641, 1439-7641electronic), 2011 Jul 11; 12(10): 1957-1968.
Impact Factor: 3.412
View Export to BibTeX Export to EndNote
Gustavsson T, Banyasz A, Improta R, Markovitsi D
* Femtosecond fluorescence studies of DNA/RNA constituents (244 views)
J Phys Conf Ser (ISSN: 1742-6588), 2011; 261(1): 13-13.
Impact Factor: 0.895
View Export to BibTeX Export to EndNote
Banyasz A, Karpati S, Mercier Y, Reguero M, Gustavsson T, Markovitsi D, Improta R
* The peculiar spectral properties of amino-substituted uracils: A combined theoretical and experimental study (350 views)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2010 Oct 7; 114(39): 12708-12719.
Impact Factor: 3.603
View Export to BibTeX Export to EndNote
Changenet-Barret P, Emanuele E, Gustavsson T, Improta R, Kotlyar AB, Markovitsi D, Vaya I, Zakrzewska K, Zikich D
* Optical properties of guanine nanowires: Experimental and theoretical study (280 views)
J Phys Chem C (ISSN: 1932-7447), 2010 Sep 2; 114(34): 14339-14346.
Impact Factor: 4.524
View Export to BibTeX Export to EndNote
Gustavsson T, Improta R, Markovitsi D
DNA/RNA: Building blocks of life under UV irradiation (259 views)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2010 Jul 1; 1(13): 2025-2030.
Impact Factor: 6.687
View Export to BibTeX Export to EndNote
Improta R, Santoro F, Barone V, Lami A
* Vibronic model for the quantum dynamical study of the competition between bright and charge-transfer excited states in single-strand polynucleotides: the adenine dimer case (271 views)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic, 1089-5639linking), 2009 Dec 31; 113(52): 15346-15354.
Impact Factor: 2.899
View Export to BibTeX Export to EndNote
Improta R, Barone V
* PCM/TD-DFT study of the two lowest excited states of uracil derivatives in solution: The effect of the functional and of the cavity model (219 views)
J Mol Struct Theochem (ISSN: 0166-1280), 2009 Nov 30; 914(1-3): 87-93.
Impact Factor: 1.216
View Export to BibTeX Export to EndNote
Karunakaran V, Kleinermanns K, Improta R, Kovalenko SA
* Photoinduced dynamics of guanosine monophosphate in water from broad-band transient absorption spectroscopy and quantum-chemical calculations (278 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(16): 5839-5850.
Impact Factor: 8.58
View Export to BibTeX Export to EndNote
Santoro F, Barone V, Improta R
* The Excited States Decay Of The A-T Dna: A Pcm/Td-Dft Study In Aqueous Solution Of The (9-Methyl-Adenine) 2 (1-Methyl-Thymine) 2 Stacked Tetramer (241 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(42): 15232-15245.
Impact Factor: 8.58
View Export to BibTeX Export to EndNote
Mercier Y, Santoro F, Reguero M, Improta R
* The decay from the dark nπ* excited state in uracil: An integrated CASPT2/CASSCF and PCM/TD-DFT study in the gas phase and in water (343 views)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2008 Sep 4; 112(35): 10769-10772.
Impact Factor: 4.189
View Export to BibTeX Export to EndNote
Improta R, Barone V
The excited states of adenine and thymine nucleoside and nucleotide in aqueous solution: A comparative study by time-dependent DFT calculations (215 views)
Theor Chem Acc (ISSN: 1432-881x), 2008 Jul; 120(4-6): 491-497.
Impact Factor: 2.37
View Export to BibTeX Export to EndNote
Gustavsson T, Banyasz A, Sarkar N, Markovitsi D, Improta R
* Statin: New life for an old drug (365 views)
Pharmacol Res Academic Press, 2008 Jun 23; 350(1-3): 1-2.
Impact Factor: 3.976
View Export to BibTeX Export to EndNote
Santoro F, Barone V, Improta R
* Can TD-DFT calculations accurately describe the excited states behavior of stacked nucleobases? The cytosine dimer as a test case (291 views)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic, 0192-8651linking), 2008 Apr 30; 29(6): 957-964.
Impact Factor: 3.39
View Export to BibTeX Export to EndNote
Improta R
The Excited States Of Pi-Stacked 9-Methyl Adenine Oligomers: A Td-Dft Study In Aqueous Solution (178 views)
Physical Chemistry Chemical Physics, 2008; 10: 2656-2664.
Impact Factor: 2.028
View Export to BibTeX Export to EndNote
Santoro F, Barone V, Benzi C, Improta R
* Excited state properties of sizable molecules in solution: From structure to reactivity (243 views)
Theor Chem Acc (ISSN: 1432-881x), 2007 May; 117(5-6): 1073-1084.
Impact Factor: 2.537
View Export to BibTeX Export to EndNote
Santoro F, Gustavsson T, Lami S, Barone V, Improta R
* Towards the understanding of the excited state dynamics of nucleic acids: Solvent and stacking effect on the photophysical behavior of nucleobases (225 views)
Aip Conf Proc (ISSN: 0094-243x), 2007; 963(2): 631-634.
Impact Factor: 0
View Export to BibTeX Export to EndNote
Santoro F, Barone V, Gustavsson T, Improta R
* Solvent effect on the singlet excited-state lifetimes of nucleic acid bases: A computational study of 5-fluorouracil and uracil in acetonitrile and water (798 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2006 Dec 20; 128(50): 16312-16322.
Impact Factor: 7.696
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Gustavsson T, Sarkar N, Lazzarotto E, Markovitsi D, Improta R
* Singlet excited state dynamics of uracil and thymine derivatives: A femtosecond fluorescence upconversion study in acetonitrile (274 views)
Chem Phys Lett (ISSN: 0009-2614), 2006 Oct 5; 429(4-6): 551-557.
Impact Factor: 2.462
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Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
* Femtosecond study on the isomerization dynamics of NK88. I. Ground-state dynamics after photoexcitation (351 views)
J Chem Phys (ISSN: 0021-9606, 0021-9606print, 0897-690online), 2006 Jul 28; 125(4): 44512-44544.
Impact Factor: 3.247
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Vogt G, Nuernberger P, Gerber G, Improta R, Santoro F, Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
* Femtosecond study on the isomerization dynamics of NK88. II. Excited-state dynamics (339 views)
J Chem Phys (ISSN: 0021-9606, 0897-690online), 2006 Jul 28; 125(4): 44512-44512.
Impact Factor: 3.166
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Gustavsson T, Sarkar N, Lazzarotto E, Markovitsi D, Barone V, Improta R
* Solvent effect on the singlet excited-state dynamics of 5-fluorouracil in acetonitrile as compared with water (315 views)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2006 Jul 6; 110(26): 12843-12847.
Impact Factor: 4.115
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Gustavsson T, Lazzarotto E, Markovitsi D, Banyasz AA, Improta R, Scalmani G
* A combined femtosecond fluorescence and TD-DFT study of uracil derivatives in aqueous solution (239 views)
Femtochemistry Vii Elsevier (ISSN: 9780-4445), 2006; N/D: 254-257.
Impact Factor: 0
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52 Records (49 excluding Abstracts).
Total impact factor: 302.692 (295.384 excluding Abstracts).
Total 5 year impact factor: 311.729 (304.271 excluding Abstracts).
Total impact factor: 302.692 (295.384 excluding Abstracts).
Total 5 year impact factor: 311.729 (304.271 excluding Abstracts).
286 views. Last view on Saturday 14 January 2023, 17:46:40
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