Photoinduced Electron Transfer in DNA: Charge Shift Dynamics between 8-Oxo-Guanine Anion and Adenine (311 views visite)
J Phys Chem B (ISSN: 1520-6106, 1520-5207), 2015; 119(24): 7491-7502.
Export to Esporta in BibTeX Export to Esporta in EndNote
Paper type Tipo di articolo: Journal Article,
Impact factor: 3.187, 5-year impact factor Impact factor a 5 anni: 3.265
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-84934982620&partnerID=40&md5=a3a1c81009840a9820f5f09bbc2edbbf
Keywords Parole chiave: Electron Transitions, Excited States, Nucleotides, Adenine Radicals, Back Electron Transfer, Excited-State Dynamics, Femtosecond Time-Resolved, Non-Adiabatic Electron Transfer Theory, Photo-Induced Electron Transfer, Reorganization Energies, Free Radical Reactions,
Affiliations Affiliazioni:
*** IBB - CNR ***
Department of Chemistry and Biochemistry, Montana State University, Bozeman, MT, United States
CNR-Consiglio Nazionale Delle Ricerche Istituto di Biostrutture e Bioimmagini (IBB-CNR), Via Mezzocannone 16, Napoli, Italy
School of Medicine and Biomedical Sciences, The University at Buffalo, SUNY, Buffalo, NY, United States
References Riferimenti:
Nguyen, K.V., Burrows, C.J., A Prebiotic Role for 8-Oxoguanosine as a Flavin Mimic in Pyrimidine Dimer Photorepair (2011) J. Am. Chem. Soc., 133, pp. 14586-1458
Kao, Y.T., Saxena, C., He, T.F., Guo, L.J., Wang, L.J., Sancar, A., Zhong, D.P., Ultrafast Dynamics of Flavins in Five Redox States (2008) J. Am. Chem. Soc., 130, pp. 13132-13139
Kao, Y.T., Song, Q.H., Saxena, C., Wang, L.J., Zhong, D.P., Dynamics and Mechanism of DNA Repair in a Biomimetic System: Flavin-Thymine Dimer Adduct (2012) J. Am. Chem. Soc., 134, pp. 1501-1503
Sancar, A., Structure and Function of DNA Photolyase and Cryptochrome Blue-Light Photoreceptors (2003) Chem. Rev., 103, pp. 2203-2237
Liu, Z.Y., Tan, C., Guo, X.M., Kao, Y.T., Li, J., Wang, L.J., Sancar, A., Zhong, D.P., Dynamics and Mechanism of Cyclobutane Pyrimidine Dimer Repair by DNA Photolyase (2011) Proc. Natl. Acad. Sci. U.S.A., 108, pp. 14831-14836
Zhang, Y., Dood, J., Beckstead, A.A., Li, X.B., Nguyen, K.V., Burrows, C.J., Improta, R., Kohler, B., Efficient UV-Induced Charge Separation and Recombination in an 8-Oxoguanine-Containing Dinucleotide (2014) Proc. Natl. Acad. Sci. U.S.A., 111, pp. 11612-11617
Culp, S.J., Cho, B.P., Kadlubar, F.F., Evans, F.E., Structural and Conformational Analyses of 8-Hydroxy-2′-Deoxyguanosine (1989) Chem. Res. Toxicol., 2, pp. 416-422
Hartman, R.F., Rose, S.D., Efficient Photosensitized Pyrimidine Dimer Splitting by a Reduced Flavin Requires the Deprotonated Flavin (1992) J. Am. Chem. Soc., 114, pp. 3559-3560
Epple, R., Wallenborn, E.-U., Carell, T., Investigation of Flavin-Containing DNA-Repair Model Compounds (1997) J. Am. Chem. Soc., 119, pp. 7440-7451
Closs, G.L., Miller, J.R., Intramolecular Long-Distance Electron-Transfer in Organic-Molecules (1988) Science, 240, pp. 440-447
Miller, J.R., Calcaterra, L.T., Closs, G.L., Intramolecular Long-Distance Electron-Transfer in Radical-Anions: The Effects of Free-Energy and Solvent on the Reaction-Rates (1984) J. Am. Chem. Soc., 106, pp. 3047-3049
Miller, J.R., Beitz, J.V., Huddleston, R.K., Effect of Free-Energy on Rates of Electron-Transfer between Molecules (1984) J. Am. Chem. Soc., 106, pp. 5057-5068
Doorley, G.W., Wojdyla, M., Watson, G.W., Towrie, M., Parker, A.W., Kelly, J.M., Quinn, S.J., Tracking DNA Excited States by Picosecond-Time-Resolved Infrared Spectroscopy: Signature Band for a Charge-Transfer Excited State in Stacked Adenine-Thymine Systems (2013) J. Phys. Chem. Lett., 4, pp. 2739-2744
Bucher, D.B., Pilles, B.M., Carell, T., Zinth, W., Charge Seperation and Charge Delocalization Identified in Long-living States of Photoexcited DNA (2014) Proc. Natl. Acad. Sci. U.S.A., 111, pp. 4369-4374
Crespo-Hernández, C.E., Cohen, B., Kohler, B., Base Stacking Controls Excited-state Dynamics in A-T DNA (2005) Nature, 436, pp. 1141-1144
Su, C., Middleton, C.T., Kohler, B., Base-Stacking Disorder and Excited-State Dynamics in Single-Stranded Adenine Homo-oligonucleotides (2012) J. Phys. Chem. B, 116, pp. 10266-10274
Chen, J., Kohler, B., Base Stacking in Adenosine Dimers Revealed by Femtosecond Transient Absorption Spectroscopy (2014) J. Am. Chem. Soc., 136, pp. 6362-6372
Zhang, Y., Chen, J., Kohler, B., Hydrogen Bond Donors Accelerate Vibrational Cooling of Hot Purine Derivatives in Heavy Water (2013) J. Phys. Chem. A, 117, pp. 6771-6780
De Koning, M.C., Ghisaidoobe, A.B.T., Duynstee, H.I., Ten Kortenaar, P.B.W., Filippov, D.V., Van Der Marel, G.A., Simple and Efficient Solution-phase Synthesis of Oligonucleotides Using Extractive Work-up (2006) Org. Process Res. Dev., 10, pp. 1238-1245
Adamo, C., Barone, V., Toward Reliable Density Functional Methods without Adjustable Parameters: The PBE0 Model (1999) J. Chem. Phys., 110, pp. 6158-6170
Ernzerhof, M., Scuseria, G.E., Assessment of the Perdew-Burke-Ernzerhof Exchange-Correlation Functional (1999) J. Chem. Phys., 110, pp. 5029-5036
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 (2014) Phys. Chem. Chem. Phys., 16, pp. 1487-1499
Petrone, A., Donati, G., Caruso, P., Rega, N., Understanding THz and IR Signals beneath Time-Resolved Fluorescence from Excited-State Ab Initio Dynamics (2014) J. Am. Chem. Soc., 136, pp. 14866-14874
Dreuw, A., Head-Gordon, M., Single-Reference ab initio Methods for the Calculation of Excited States of Large Molecules (2005) Chem. Rev., 105, pp. 4009-4037
Improta, R., Barone, V., Scalmani, G., Frisch, M.J., A State-Specific Polarizable Continuum Model Time-Dependent Density Functional Theory Method for Excited State Calculations in Solution (2006) J. Chem. Phys., 125, p. 054103
Improta, R., Scalmani, G., Frisch, M.J., Barone, V., Toward Effective and Reliable Fluorescence Energies in Solution by a New State-Specific Polarizable Continuum Model Time-Dependent Density Functional Theory Approach (2007) J. Chem. Phys., 127, p. 074504
Tomasi, J., Mennucci, B., Cammi, R., Quantum Mechanical Continuum Solvation Models (2005) Chem. Rev., 105, pp. 2999-3093
Schreier, W.J., Schrader, T.E., Koller, F.O., Gilch, P., Crespo-Hernández, C.E., Swaminathan, V.N., Carell, T., Kohler, B., Thymine Dimerization in DNA is an Ultrafast Photoreaction (2007) Science, 315, pp. 625-629
Larsen, D.S., Van Stokkum, I.H.M., Vengris, M., Van Der Horst, M.A., De Weerd, F.L., Hellingwerf, K.J., Van Grondelle, R., Incoherent Manipulation of the Photoactive Yellow Protein Photocycle with Dispersed Pump-Dump-Probe Spectroscopy (2004) Biophys. J., 87, pp. 1858-1872
Larsen, D.S., Vengris, M., Van Stokkum, I.H.M., Van Der Horst, M.A., De Weerd, F.L., Hellingwerf, K.J., Van Grondelle, R., Photoisomerization and Photoionization of the Photoactive Yellow Protein Chromophore in Solution (2004) Biophys. J., 86, pp. 2538-2550
Stuhldreier, M.C., Temps, F., Ultrafast Photo-Initiated Molecular Quantum Dynamics in the DNA Dinucleotide d(ApG) Revealed by Broadband Transient Absorption Spectroscopy (2013) Faraday Discuss., 163, pp. 173-188
Takaya, T., Su, C., De La Harpe, K., Crespo-Hernández, C.E., Kohler, B., UV Excitation of Single DNA and RNA Strands Produces High Yields of Exciplex States between Two Stacked Bases (2008) Proc. Natl. Acad. Sci. U.S.A., 105, pp. 10285-10290
Steenken, S., Jovanovic, S.V., Bietti, M., Bernhard, K., The Trap Depth (in DNA) of 8-Oxo-7,8-Dihydro-2′-Deoxyguanosine As Derived from Electron-transfer Equilibria in Aqueous Solution (2000) J. Am. Chem. Soc., 122, pp. 2373-2374
Seidel, C.A.M., Schulz, A., Sauer, M.H.M., Nucleobase-Specific Quenching of Fluorescent Dyes. 1. Nucleobase One-Electron Redox Potentials and Their Correlation with Static and Dynamic Quenching Efficiencies (1996) J. Phys. Chem., 100, pp. 5541-5553
Scannell, M.P., Fenick, D.J., Yeh, S.R., Falvey, D.E., Model Studies of DNA Photorepair: Reduction Potentials of Thymine and Cytosine Cyclobutane Dimers Measured by Fluorescence Quenching (1997) J. Am. Chem. Soc., 119, pp. 1971-1977
Pavlishchuk, V.V., Addison, A.W., Conversion Constants for Redox Potentials Measured Versus Different Reference Electrodes in Acetonitrile Solutions at 25 °c (2000) Inorg. Chim. Acta, 298, pp. 97-102
Rehm, D., Weller, A., Kinetics of Fluorescence Quenching by Electron and H-atom Transfer (1970) Isr. J. Chem., 8, pp. 259-271
Psciuk, B.T., Schlegel, H.B., Computational Prediction of One-Electron Reduction Potentials and Acid Dissociation Constants for Guanine Oxidation Intermediates and Products (2013) J. Phys. Chem. B, 117, pp. 9518-9531
Kloepfer, J.A., Vilchiz, V.H., Lenchenkov, V.A., Germaine, A.C., Bradforth, S.E., The Ejection Distribution of Solvated Electrons Generated by the One-photon Photodetachment of Aqueous I- and Two-Photon Ionization of the Solvent (2000) J. Chem. Phys., 113, pp. 6288-6307
Chen, X.Y., Larsen, D.S., Bradforth, S.E., Van Stokkum, I.H.M., Broadband Spectral Probing Revealing Ultrafast Photochemical Branching after Ultraviolet Excitation of the Aqueous Phenolate Anion (2011) J. Phys. Chem. A, 115, pp. 3807-3819
Gould, I.R., Moser, J.E., Armitage, B., Farid, S., Goodman, J.L., Herman, M.S., Electron-Transfer Reactions in the Marcus Inverted Region: Charge Recombination Versus Charge Shift Reactions (1989) J. Am. Chem. Soc., 111, pp. 1917-1919
Tavernier, H.L., Fayer, M.D., Distance Dependence of Electron Transfer in DNA: The Role of the Reorganization Energy and Free Energy (2000) J. Phys. Chem. B, 104, pp. 11541-11550
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J Phys Chem B (ISSN: 1520-6106, 1520-5207), 2015; 119(24): 7491-7502.
Export to Esporta in BibTeX Export to Esporta in EndNote
Paper type Tipo di articolo: Journal Article,
Impact factor: 3.187, 5-year impact factor Impact factor a 5 anni: 3.265
Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-84934982620&partnerID=40&md5=a3a1c81009840a9820f5f09bbc2edbbf
Keywords Parole chiave: Electron Transitions, Excited States, Nucleotides, Adenine Radicals, Back Electron Transfer, Excited-State Dynamics, Femtosecond Time-Resolved, Non-Adiabatic Electron Transfer Theory, Photo-Induced Electron Transfer, Reorganization Energies, Free Radical Reactions,
Affiliations Affiliazioni:
*** IBB - CNR ***
Department of Chemistry and Biochemistry, Montana State University, Bozeman, MT, United States
CNR-Consiglio Nazionale Delle Ricerche Istituto di Biostrutture e Bioimmagini (IBB-CNR), Via Mezzocannone 16, Napoli, Italy
School of Medicine and Biomedical Sciences, The University at Buffalo, SUNY, Buffalo, NY, United States
References Riferimenti:
Nguyen, K.V., Burrows, C.J., A Prebiotic Role for 8-Oxoguanosine as a Flavin Mimic in Pyrimidine Dimer Photorepair (2011) J. Am. Chem. Soc., 133, pp. 14586-1458
Kao, Y.T., Saxena, C., He, T.F., Guo, L.J., Wang, L.J., Sancar, A., Zhong, D.P., Ultrafast Dynamics of Flavins in Five Redox States (2008) J. Am. Chem. Soc., 130, pp. 13132-13139
Kao, Y.T., Song, Q.H., Saxena, C., Wang, L.J., Zhong, D.P., Dynamics and Mechanism of DNA Repair in a Biomimetic System: Flavin-Thymine Dimer Adduct (2012) J. Am. Chem. Soc., 134, pp. 1501-1503
Sancar, A., Structure and Function of DNA Photolyase and Cryptochrome Blue-Light Photoreceptors (2003) Chem. Rev., 103, pp. 2203-2237
Liu, Z.Y., Tan, C., Guo, X.M., Kao, Y.T., Li, J., Wang, L.J., Sancar, A., Zhong, D.P., Dynamics and Mechanism of Cyclobutane Pyrimidine Dimer Repair by DNA Photolyase (2011) Proc. Natl. Acad. Sci. U.S.A., 108, pp. 14831-14836
Zhang, Y., Dood, J., Beckstead, A.A., Li, X.B., Nguyen, K.V., Burrows, C.J., Improta, R., Kohler, B., Efficient UV-Induced Charge Separation and Recombination in an 8-Oxoguanine-Containing Dinucleotide (2014) Proc. Natl. Acad. Sci. U.S.A., 111, pp. 11612-11617
Culp, S.J., Cho, B.P., Kadlubar, F.F., Evans, F.E., Structural and Conformational Analyses of 8-Hydroxy-2′-Deoxyguanosine (1989) Chem. Res. Toxicol., 2, pp. 416-422
Hartman, R.F., Rose, S.D., Efficient Photosensitized Pyrimidine Dimer Splitting by a Reduced Flavin Requires the Deprotonated Flavin (1992) J. Am. Chem. Soc., 114, pp. 3559-3560
Epple, R., Wallenborn, E.-U., Carell, T., Investigation of Flavin-Containing DNA-Repair Model Compounds (1997) J. Am. Chem. Soc., 119, pp. 7440-7451
Closs, G.L., Miller, J.R., Intramolecular Long-Distance Electron-Transfer in Organic-Molecules (1988) Science, 240, pp. 440-447
Miller, J.R., Calcaterra, L.T., Closs, G.L., Intramolecular Long-Distance Electron-Transfer in Radical-Anions: The Effects of Free-Energy and Solvent on the Reaction-Rates (1984) J. Am. Chem. Soc., 106, pp. 3047-3049
Miller, J.R., Beitz, J.V., Huddleston, R.K., Effect of Free-Energy on Rates of Electron-Transfer between Molecules (1984) J. Am. Chem. Soc., 106, pp. 5057-5068
Doorley, G.W., Wojdyla, M., Watson, G.W., Towrie, M., Parker, A.W., Kelly, J.M., Quinn, S.J., Tracking DNA Excited States by Picosecond-Time-Resolved Infrared Spectroscopy: Signature Band for a Charge-Transfer Excited State in Stacked Adenine-Thymine Systems (2013) J. Phys. Chem. Lett., 4, pp. 2739-2744
Bucher, D.B., Pilles, B.M., Carell, T., Zinth, W., Charge Seperation and Charge Delocalization Identified in Long-living States of Photoexcited DNA (2014) Proc. Natl. Acad. Sci. U.S.A., 111, pp. 4369-4374
Crespo-Hernández, C.E., Cohen, B., Kohler, B., Base Stacking Controls Excited-state Dynamics in A-T DNA (2005) Nature, 436, pp. 1141-1144
Su, C., Middleton, C.T., Kohler, B., Base-Stacking Disorder and Excited-State Dynamics in Single-Stranded Adenine Homo-oligonucleotides (2012) J. Phys. Chem. B, 116, pp. 10266-10274
Chen, J., Kohler, B., Base Stacking in Adenosine Dimers Revealed by Femtosecond Transient Absorption Spectroscopy (2014) J. Am. Chem. Soc., 136, pp. 6362-6372
Zhang, Y., Chen, J., Kohler, B., Hydrogen Bond Donors Accelerate Vibrational Cooling of Hot Purine Derivatives in Heavy Water (2013) J. Phys. Chem. A, 117, pp. 6771-6780
De Koning, M.C., Ghisaidoobe, A.B.T., Duynstee, H.I., Ten Kortenaar, P.B.W., Filippov, D.V., Van Der Marel, G.A., Simple and Efficient Solution-phase Synthesis of Oligonucleotides Using Extractive Work-up (2006) Org. Process Res. Dev., 10, pp. 1238-1245
Adamo, C., Barone, V., Toward Reliable Density Functional Methods without Adjustable Parameters: The PBE0 Model (1999) J. Chem. Phys., 110, pp. 6158-6170
Ernzerhof, M., Scuseria, G.E., Assessment of the Perdew-Burke-Ernzerhof Exchange-Correlation Functional (1999) J. Chem. Phys., 110, pp. 5029-5036
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 (2014) Phys. Chem. Chem. Phys., 16, pp. 1487-1499
Petrone, A., Donati, G., Caruso, P., Rega, N., Understanding THz and IR Signals beneath Time-Resolved Fluorescence from Excited-State Ab Initio Dynamics (2014) J. Am. Chem. Soc., 136, pp. 14866-14874
Dreuw, A., Head-Gordon, M., Single-Reference ab initio Methods for the Calculation of Excited States of Large Molecules (2005) Chem. Rev., 105, pp. 4009-4037
Improta, R., Barone, V., Scalmani, G., Frisch, M.J., A State-Specific Polarizable Continuum Model Time-Dependent Density Functional Theory Method for Excited State Calculations in Solution (2006) J. Chem. Phys., 125, p. 054103
Improta, R., Scalmani, G., Frisch, M.J., Barone, V., Toward Effective and Reliable Fluorescence Energies in Solution by a New State-Specific Polarizable Continuum Model Time-Dependent Density Functional Theory Approach (2007) J. Chem. Phys., 127, p. 074504
Tomasi, J., Mennucci, B., Cammi, R., Quantum Mechanical Continuum Solvation Models (2005) Chem. Rev., 105, pp. 2999-3093
Schreier, W.J., Schrader, T.E., Koller, F.O., Gilch, P., Crespo-Hernández, C.E., Swaminathan, V.N., Carell, T., Kohler, B., Thymine Dimerization in DNA is an Ultrafast Photoreaction (2007) Science, 315, pp. 625-629
Larsen, D.S., Van Stokkum, I.H.M., Vengris, M., Van Der Horst, M.A., De Weerd, F.L., Hellingwerf, K.J., Van Grondelle, R., Incoherent Manipulation of the Photoactive Yellow Protein Photocycle with Dispersed Pump-Dump-Probe Spectroscopy (2004) Biophys. J., 87, pp. 1858-1872
Larsen, D.S., Vengris, M., Van Stokkum, I.H.M., Van Der Horst, M.A., De Weerd, F.L., Hellingwerf, K.J., Van Grondelle, R., Photoisomerization and Photoionization of the Photoactive Yellow Protein Chromophore in Solution (2004) Biophys. J., 86, pp. 2538-2550
Stuhldreier, M.C., Temps, F., Ultrafast Photo-Initiated Molecular Quantum Dynamics in the DNA Dinucleotide d(ApG) Revealed by Broadband Transient Absorption Spectroscopy (2013) Faraday Discuss., 163, pp. 173-188
Takaya, T., Su, C., De La Harpe, K., Crespo-Hernández, C.E., Kohler, B., UV Excitation of Single DNA and RNA Strands Produces High Yields of Exciplex States between Two Stacked Bases (2008) Proc. Natl. Acad. Sci. U.S.A., 105, pp. 10285-10290
Steenken, S., Jovanovic, S.V., Bietti, M., Bernhard, K., The Trap Depth (in DNA) of 8-Oxo-7,8-Dihydro-2′-Deoxyguanosine As Derived from Electron-transfer Equilibria in Aqueous Solution (2000) J. Am. Chem. Soc., 122, pp. 2373-2374
Seidel, C.A.M., Schulz, A., Sauer, M.H.M., Nucleobase-Specific Quenching of Fluorescent Dyes. 1. Nucleobase One-Electron Redox Potentials and Their Correlation with Static and Dynamic Quenching Efficiencies (1996) J. Phys. Chem., 100, pp. 5541-5553
Scannell, M.P., Fenick, D.J., Yeh, S.R., Falvey, D.E., Model Studies of DNA Photorepair: Reduction Potentials of Thymine and Cytosine Cyclobutane Dimers Measured by Fluorescence Quenching (1997) J. Am. Chem. Soc., 119, pp. 1971-1977
Pavlishchuk, V.V., Addison, A.W., Conversion Constants for Redox Potentials Measured Versus Different Reference Electrodes in Acetonitrile Solutions at 25 °c (2000) Inorg. Chim. Acta, 298, pp. 97-102
Rehm, D., Weller, A., Kinetics of Fluorescence Quenching by Electron and H-atom Transfer (1970) Isr. J. Chem., 8, pp. 259-271
Psciuk, B.T., Schlegel, H.B., Computational Prediction of One-Electron Reduction Potentials and Acid Dissociation Constants for Guanine Oxidation Intermediates and Products (2013) J. Phys. Chem. B, 117, pp. 9518-9531
Kloepfer, J.A., Vilchiz, V.H., Lenchenkov, V.A., Germaine, A.C., Bradforth, S.E., The Ejection Distribution of Solvated Electrons Generated by the One-photon Photodetachment of Aqueous I- and Two-Photon Ionization of the Solvent (2000) J. Chem. Phys., 113, pp. 6288-6307
Chen, X.Y., Larsen, D.S., Bradforth, S.E., Van Stokkum, I.H.M., Broadband Spectral Probing Revealing Ultrafast Photochemical Branching after Ultraviolet Excitation of the Aqueous Phenolate Anion (2011) J. Phys. Chem. A, 115, pp. 3807-3819
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Photoinduced Electron Transfer in DNA: Charge Shift Dynamics between 8-Oxo-Guanine Anion and Adenine
Femtosecond time-resolved IR spectroscopy is used to investigate the excited-state dynamics of a dinucleotide containing an 8-oxoguanine anion at the 5′-end and neutral adenine at the 3′-end. UV excitation of the dinucleotide transfers an electron from deprotonated 8-oxoguanine to its γ-stacked neighbor adenine in less than 1 ps, generating a neutral 8-oxoguanine radical and an adenine radical anion. These species are identified by the excellent agreement between the experimental and calculated IR difference spectra. The quantum efficiency of this ultrafast charge shift reaction approaches unity. Back electron transfer from the adenine radical anion to the 8-oxguanine neutral radical occurs in 9 ps, or approximately 6 times faster than between the adenine radical anion and the 8-oxoguanine radical cation (Zhang, Y. et al. Proc. Natl. Acad. Sci. U.S.A. 2014, 111, 11612-11617). The large asymmetry in forward and back electron transfer rates is fully rationalized by semiclassical nonadiabatic electron transfer theory. Forward electron transfer is ultrafast because the driving force is nearly equal to the reorganization energy, which is estimated to lie between 1 and 2 eV. Back electron transfer is highly exergonic and takes place much more slowly in the Marcus inverted region. © 2015 American Chemical Society.
Femtosecond time-resolved IR spectroscopy is used to investigate the excited-state dynamics of a dinucleotide containing an 8-oxoguanine anion at the 5′-end and neutral adenine at the 3′-end. UV excitation of the dinucleotide transfers an electron from deprotonated 8-oxoguanine to its γ-stacked neighbor adenine in less than 1 ps, generating a neutral 8-oxoguanine radical and an adenine radical anion. These species are identified by the excellent agreement between the experimental and calculated IR difference spectra. The quantum efficiency of this ultrafast charge shift reaction approaches unity. Back electron transfer from the adenine radical anion to the 8-oxguanine neutral radical occurs in 9 ps, or approximately 6 times faster than between the adenine radical anion and the 8-oxoguanine radical cation (Zhang, Y. et al. Proc. Natl. Acad. Sci. U.S.A. 2014, 111, 11612-11617). The large asymmetry in forward and back electron transfer rates is fully rationalized by semiclassical nonadiabatic electron transfer theory. Forward electron transfer is ultrafast because the driving force is nearly equal to the reorganization energy, which is estimated to lie between 1 and 2 eV. Back electron transfer is highly exergonic and takes place much more slowly in the Marcus inverted region. © 2015 American Chemical Society.
Photoinduced Electron Transfer in DNA: Charge Shift Dynamics between 8-Oxo-Guanine Anion and Adenine
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Photoinduced Electron Transfer in DNA: Charge Shift Dynamics between 8-Oxo-Guanine Anion and Adenine
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Roviello GN, Musumeci D, Bucci EM, Castiglione M, Cesarani A, Pedone C, Piccialli G
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Bioorg Med Chem Lett (ISSN: 0960-894x, 1464-3405, 1464-3405electronic), 2008 Sep 1; 18(17): 4757-4760.
Impact Factor: 2.531
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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 (190 visite)
Theor Chem Acc (ISSN: 1432-881x), 2008 Jul; 120(4-6): 491-497.
Impact Factor: 2.37
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Gustavsson T, Bányász A, Sarkar N, Markovitsi D, Improta R
* Assessing solvent effects on the singlet excited state lifetime of uracil derivatives: A femtosecond fluorescence upconversion study in alcohols and D2O (239 visite)
Chem Phys (ISSN: 0301-0104), 2008 Jun 23; 350(1-3): 186-192.
Impact Factor: 1.961
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Gustavsson T, Banyasz A, Sarkar N, Markovitsi D, Improta R
* Statin: New life for an old drug (323 visite)
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 (243 visite)
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 (152 visite)
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 (214 visite)
Theor Chem Acc (ISSN: 1432-881x), 2007 May; 117(5-6): 1073-1084.
Impact Factor: 2.537
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Bonomo RP, Pappalardo G, Rizzarelli E, Santoro AM, Tabbì G, Vagliasindi LI
* Nitrogen oxide interaction with copper complexes formed by small peptides belonging to the prion protein octa-repeat region (382 visite)
Dalton T (ISSN: 1477-9226, 1477-9234, 1477-9234electronic), 2007 Apr 14; (14): 1400-1408.
Impact Factor: 3.212
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Bucci EM, Valente M, Musumeci D, Sapio R, Anrò V, Roviello GN, Moccia M
* ODN-based drugs for targeting of extracellular proteins (236 visite)
Nucleosides Nucleotides Nucleic Acids (ISSN: 1525-7770), 2007; 26(8-9): 1047-1050.
Impact Factor: 0.723
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Moccia M, Musumeci D, Valente M, Roviello GN, Sapio R, Pedone C, Bucci EM
* Thermodynamic studies on PNA and PNA/DNA dendrimer formation (200 visite)
Nucleosides Nucleotides Nucleic Acids (ISSN: 1525-7770), 2007; 26(8-9): 1173-1176.
Impact Factor: 0.723
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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 (244 visite)
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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Improta R, Barone V, Scalmani G, Frisch MJ
* A state-specific polarizable continuum model time dependent density functional theory method for excited state calculations in solution (275 visite)
J Chem Phys (ISSN: 0021-9606, 0897-690online), 2006 Sep 7; 125(5): N/D-N/D.
Impact Factor: 3.166
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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 (297 visite)
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 (283 visite)
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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Borgatti M, Finotti A, Romanelli A, Saviano M, Bianchi N, Lampronti I, Lambertini E, Penolazzi L, Nastruzzi C, Mischiati C, Piva R, Pedone C, Gambari R
* Peptide nucleic acids (PNA)-DNA chimeras targeting transcription factors as a tool to modify gene expression (426 visite)
Curr Drug Targets (ISSN: 1389-4501), 2004 Nov; 5(8): 735-744.
Impact Factor: 4.104
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Mischiati C, Sereni A, Finotti A, Breda L, Cortesi R, Nastruzzi C, Romanelli A, Saviano M, Bianchi N, Pedone C, Borgatti M, Gambari R
* Complexation to cationic microspheres of double-stranded peptide nucleic acid-DNA chimeras exhibiting decoy activity (293 visite)
Journal Of Biomedical Science (ISSN: 1021-7770), 2004 Sep; 11(5): 697-704.
Impact Factor: 1.567
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Caricasole A, Copani A, Caraci F, Aronica E, Rozemuller AJ, Caruso A, Storto M, Gaviraghi G, Terstappen GC, Nicoletti F
* Induction of Dickkopf-1, a negative modulator of the Wnt pathway, is associated with neuronal degeneration in Alzheimer's brain (468 visite)
J Neurosci (ISSN: 0270-6474, 0361-803x, 1529-2401), 2004 Jun 30; 24(26): 6021-6027.
Impact Factor: 2.384
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Barone V, Formaggio F, Improta R, Polo F, Maran F
* Electron transfer to and conformational preferences of Aib oligo-peptides (333 visite)
Proc Electrochem Soc, 2004; 10: 29-32.
Impact Factor: 0
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Vitagliano L, Masullo M, Sica F, Zagari A, Bocchini V
* The crystal structure of Sulfolobus solfataricus elongation factor 1α in complex with GDP reveals novel features in nucleotide binding and exchange (273 visite)
Embo J (ISSN: 0261-4189), 2001 Oct 1; 20(19): 5305-5311.
Impact Factor: 12.459
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Zannetti A, Del Vecchio S, Carriero MV, Fonti R, Franco P, Botti G, D'Aiuto G, Stoppelli MP, Salvatore M
Coordinate up-regulation of Sp1 DNA-binding activity and urokinase receptor expression in breast carcinoma (382 visite)
Cancer Res (ISSN: 0008-5472, 1538-7445, 1538-7445electronic), 2000 Mar 15; 60(6): 1546-1551.
Impact Factor: 8.46
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De Napoli L, De Luca S, Di Fabio G, Messere A, Montesarchio D, Morelli G, Piccialli G, Tesauro D
A facile solid-phase strategy for the synthesis of oligonucleotide- tetraphenylporphyrin conjugates (300 visite)
European Journal Of Organic Chemistry (ISSN: 1434-193x), 2000; (6): 1013-1018.
Impact Factor: 2.15
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Sica F, Adinolfi S, Berisio R, De Lorenzo C, Mazzarella L, Piccoli R, Vitagliano L, Zagari A
Crystallization of multiple forms of bovine seminal ribonuclease in the liganded and unliganded state (239 visite)
J Cryst Growth (ISSN: 0022-0248), 1999; 196(2-4): 305-312.
Impact Factor: 1.492
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Adinolfi S, Piccoli R, Sica F, Mazzarella L
BS-RNase tetramers: An example of domain-swapped oligomers (360 visite)
Febs Lett (ISSN: 0014-5793, 0014-5793print, 1873-3468electronic), 1996 Dec 2; 398(2-3): 326-332.
Impact Factor: 3.504
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Mastruzzo L, Woisard A, Ma DD, Rizzarelli E, Favre A, Le Doan T
TARGETED PHOTOCHEMICAL MODIFICATION OF HIV-DERIVED OLIGORIBONUCLEOTIDES BY ANTISENSE OLIGODEOXYNUCLEOTIDES LINKED TO PORPHYRINS (253 visite)
Photochem Photobiol (ISSN: 0031-8655), 1994 Oct; 60(4): 316-322.
Impact Factor: 2.426
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Bustamante C, Gurrieri S, Pasternack RF, Purrello R, Rizzarelli E
Interaction of water-soluble porphyrins with single- and double-stranded polyribonucleotides (346 visite)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 1994 Sep; 34(8): 1099-1104.
Impact Factor: 2.425
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Maglione D, Guerriero V, Viglietto G, Ferraro MG, Aprelikova O, Alitalo K, Del Vecchio S, Lei KJ, Chou JY, Persico MG
Two alternative mRNAs coding for the angiogenic factor, placenta growth factor (PlGF), are transcribed from a single gene of chromosome 14 (379 visite)
Oncogene (ISSN: 0950-9232, 1476-5594), 1993; 8(4): 925-931.
Impact Factor: 6.772
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Ogloblina AM, Iaccarino N, Capasso D, Di Gaetano S, Garzarella EU, Dolinnaya NG, Yakubovskaya MG, Pagano B, Amato J, Randazzo A
* Toward G-Quadruplex-Based Anticancer Agents: Biophysical and Biological Studies of Novel AS1411 Derivatives (15 visite)
Int J Mol Sci (ISSN: 1422-0067linking), 2020 Oct 21; 21(20): N/D-N/D.
Impact Factor: 4.556
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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 (13 visite)
J Chem Theory Comput (ISSN: 1549-9618linking), 2020 Sep 8; 16(9): 5792-5808.
Impact Factor: 5.313
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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 (125 visite)
Chemistry (ISSN: 0947-6539linking, 1521-3765electronic), 2019 May 28; 25(30): 7375-7386.
Impact Factor: 5.16
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Marzano M, Falanga AP, D'Errico S, Pinto B, Roviello GN, Piccialli G, Oliviero G, Borbone N
* New G-quadruplex-forming oligodeoxynucleotides incorporating a bifunctional Double-Ended Linker (DEL): effects of DEL size and ODNs orientation on the topology, stability and molecularity of DEL-G-quadruplexes (192 visite)
Molecules (ISSN: 1420-3049linking, 1420-3049electronic), 2019 Feb 12; 24(3): 654-654.
Impact Factor: 3.06
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Banyasz A, Martinez-fernandez L, Improta R, Ketola TM, Balty C, Markovitsi D
* Radicals generated in alternating guanine-cytosine duplexes by direct absorption of low-energy UV radiation (245 visite)
Phys Chem Chem Phys (ISSN: 1463-9084electronic, 1463-9076linking), 2018 Aug 22; 20(33): 21381-21389.
Impact Factor: 3.454
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Martinez-fernandez L, Improta R
* Sequence dependence on DNA photochemistry: a computational study of photodimerization pathways in TpdC and dCpT dinucleotides (166 visite)
Photochemical & (ISSN: 1474-9092electronic, 1474-905xlinking), 2018 May 16; 17(5): 586-591.
Impact Factor: 2.939
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Avitabile C, Diaferia C, Della Ventura B, Mercurio FA, Leone M, Roviello V, Saviano M, Velotta R, Morelli G, Accardo A, Romanelli A
* Self-Assembling of Fmoc-GC Peptide Nucleic Acid Dimers into Highly Fluorescent Aggregates (323 visite)
Chemistry (ISSN: 1521-3765electronic, 0947-6539linking), 2018 Mar 26; 24(18): 4729-4735.
Impact Factor: 5.476
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Banyasz A, Ketola T, Martinez-fernandez L, Improta R, Markovitsi D
* Adenine radicals generated in alternating AT duplexes by direct absorption of low-energy UV radiation (213 visite)
Faraday Discuss (ISSN: 1359-6640print, 1359-6640linking), 2018 Jan 26; N/D: N/D-N/D.
Impact Factor: 4.194
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Martinez Fernandez L, Muñoz-losa A, Esposito L, Improta R
* The optical properties of adenine cation in different oligonucleotides: a PCM/TD‑DFT study (151 visite) (PDF 90 visite)
Theor Chem Acc (ISSN: 1432-881x), 2018; 137(3): N/D-N/D.
Impact Factor: 1.545
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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 (254 visite)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2017 Oct 26; 23(60): 15177-15188.
Impact Factor: 5.16
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Piras L, Avitabile C, D'Andrea LD, Saviano M, Romanelli A
* Detection of oligonucleotides by PNA-peptide conjugates recognizing the biarsenical fluorescein complex FlAsH-EDT2 (228 visite)
Biochem Bioph Res Co (ISSN: 0006-291x), 2017 Sep 15; N/D: N/D-N/D.
Impact Factor: 2.559
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Martinez-fernandez L, Improta R
* Novel adenine/thymine photodimerization channels mapped by PCM/TD-DFT calculations on dApT and TpdA dinucleotides (243 visite)
Photoch Photobio Sci (ISSN: 1474-905x), 2017 Jun 22; 16(8): 1277-1283.
Impact Factor: 2.902
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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 (208 visite)
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 (225 visite)
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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Banyasz A, Ketola TM, Munoz-losa A, Rishi S, Adhikary A, Sevilla MD, Martinez-fernandez L, Improta R, Markovitsi D
* UV-Induced Adenine Radicals Induced in DNA A-Tracts: Spectral and Dynamical Characterization (199 visite)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2016 Oct 06; 7(19): 3949-3953.
Impact Factor: 9.353
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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 (135 visite)
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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Zhang Y, De La Harpe K, Beckstead AA, Martínez-fernández L, Improta R, Kohler B
* Excited-State Dynamics of DNA Duplexes with Different H-Bonding Motifs (231 visite)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2016; 7(6): 950-954.
Impact Factor: 9.353
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Improta R, Santoro F, Blancafort L
* Quantum Mechanical Studies on the Photophysics and the Photochemistry of Nucleic Acids and Nucleobases (315 visite)
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 (324 visite)
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 (275 visite) (PDF 198 visite)
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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Improta R, Barone V
* Excited States behavior of nucleobases in solution: insights from computational studies (173 visite)
Top Curr Chem (ISSN: 0340-1022), 2015; 355: 329-357.
Impact Factor: 4.014
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Avitabile C, D'Andrea LD, Romanelli A
* Exploring the dark matter of the human genome using oligonucleotide-based molecules (218 visite)
Future Med Chem (ISSN: 1756-8919, 1756-8919linking, 1756-8927electronic), 2015; 7(13): 1627-1630.
Impact Factor: 3.345
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Musumeci D, Rozza L, Merlino A, Paduano L, Marzo T, Massai L, Messori L, Montesarchio D
* Interaction of anticancer Ru(III) complexes with single stranded and duplex DNA model systems (350 visite)
Dalton T (ISSN: 1477-9226, 1477-9234, 1477-9226linking), 2015; 44(31): 13914-13925.
Impact Factor: 4.177
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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 (289 visite)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic), 2015; 119(23): 6131-6139.
Impact Factor: 2.883
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Zhang Y, Dood J, Beckstead AA, Li X-B, Nguyen KV, Burrows CJ, Improta R, Kohler B
* Efficient UV-induced charge separation and recombination in an 8-oxoguanine-containing dinucleotide (279 visite)
P Natl Acad Sci Usa (ISSN: 0027-8424, 1091-6490, 0027-8424print), 2014 Sep 12; 111(32): 11612-11617.
Impact Factor: 9.674
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Esposito L, Banyasz A, Douki T, Perron M, Markovitsi D, Improta R
* Effect of C5-methylation of cytosine on the photoreactivity of DNA: A joint experimental and computational study of TCG trinucleotides (249 visite)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 0002-7863print), 2014 Sep 6; 136(31): 10838-10841.
Impact Factor: 12.113
Dettagli Esporta in BibTeX Esporta in EndNote
Improta R
* Quantum mechanical calculations unveil the structure and properties of the absorbing and emitting excited electronic states of guanine quadruplex (218 visite)
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 (200 visite)
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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Romanucci V, Milardi D, Campagna T, Gaglione M, Messere A, D'Urso A, Crisafi E, La Rosa C, Zarrelli A, Balzarini J, Di Fabio G
* Synthesis, biophysical characterization and anti-HIV activity of d(TG(3)AG) Quadruplexes bearing hydrophobic tails at the 5 '-end (299 visite)
Bioorg Med Chem (ISSN: 0968-0896, 1464-3391), 2014 Feb 1; 22(3): 960-966.
Impact Factor: 2.793
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Malgieri G, Palmieri M, Esposito S, Maione V, Russo L, Baglivo I, De Paola I, Milardi D, Diana D, Zaccaro L, Pedone PV, Fattorusso R, Isernia C
* Zinc To Cadmium Replacement In The Prokaryotic Zinc-Finger Domain (361 visite)
Metallomics (ISSN: 1756-591x, 1756-5901, 1756-591xelectronic), 2013 Dec 18; 6(1): 96-104.
Impact Factor: 3.978
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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 (236 visite)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2013 Mar; 19(11): 3762-3774.
Impact Factor: 5.696
Dettagli Esporta in BibTeX Esporta in EndNote
Improta R
* Photophysics and photochemistry of thymine deoxy-dinucleotide in water: A PCM/TD-DFT quantum mechanical study (255 visite)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2012 Dec 13; 116(49): 14261-14274.
Impact Factor: 3.607
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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 (306 visite)
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 (351 visite)
J Phys Chem C (ISSN: 1932-7447), 2012 Jul 12; 116(27): 14682-14689.
Impact Factor: 4.814
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Musumeci D, Oliviero G, Roviello GN, Bucci EM, Piccialli G
* G-quadruplex-forming oligonucleotide conjugated to magnetic nanoparticles: Synthesis, characterization, and enzymatic stability assays (404 visite)
Bioconjug Chem (ISSN: 1043-1802, 1520-4812, 1520-4812electronic), 2012 Mar 21; 23(3): 382-391.
Impact Factor: 4.58
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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 (199 visite)
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 (203 visite)
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic), 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 (244 visite)
Chemphyschem (ISSN: 1439-4235, 1439-7641, 1439-7641electronic), 2011 Jul 11; 12(10): 1957-1968.
Impact Factor: 3.412
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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 (273 visite)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2010 Oct 7; 114(39): 12708-12719.
Impact Factor: 3.603
Dettagli Esporta in BibTeX Esporta in 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 (253 visite)
J Phys Chem C (ISSN: 1932-7447), 2010 Sep 2; 114(34): 14339-14346.
Impact Factor: 4.524
Dettagli Esporta in BibTeX Esporta in EndNote
Gustavsson T, Improta R, Markovitsi D
DNA/RNA: Building blocks of life under UV irradiation (232 visite)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2010 Jul 1; 1(13): 2025-2030.
Impact Factor: 6.687
Dettagli Esporta in BibTeX Esporta in 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 (242 visite)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic, 1089-5639linking), 2009 Dec 31; 113(52): 15346-15354.
Impact Factor: 2.899
Dettagli Esporta in BibTeX Esporta in 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 (193 visite)
J Mol Struct Theochem (ISSN: 0166-1280), 2009 Nov 30; 914(1-3): 87-93.
Impact Factor: 1.216
Dettagli Esporta in BibTeX Esporta in 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 (251 visite)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(16): 5839-5850.
Impact Factor: 8.58
Dettagli Esporta in BibTeX Esporta in 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 (215 visite)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(42): 15232-15245.
Impact Factor: 8.58
Dettagli Esporta in BibTeX Esporta in 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 (283 visite)
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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Roviello GN, Musumeci D, Bucci EM, Castiglione M, Cesarani A, Pedone C, Piccialli G
* Evidences for complex formation between l-dabPNA and aegPNA (255 visite)
Bioorg Med Chem Lett (ISSN: 0960-894x, 1464-3405, 1464-3405electronic), 2008 Sep 1; 18(17): 4757-4760.
Impact Factor: 2.531
Dettagli Esporta in BibTeX Esporta in 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 (190 visite)
Theor Chem Acc (ISSN: 1432-881x), 2008 Jul; 120(4-6): 491-497.
Impact Factor: 2.37
Dettagli Esporta in BibTeX Esporta in EndNote
Gustavsson T, Bányász A, Sarkar N, Markovitsi D, Improta R
* Assessing solvent effects on the singlet excited state lifetime of uracil derivatives: A femtosecond fluorescence upconversion study in alcohols and D2O (239 visite)
Chem Phys (ISSN: 0301-0104), 2008 Jun 23; 350(1-3): 186-192.
Impact Factor: 1.961
Dettagli Esporta in BibTeX Esporta in EndNote
Gustavsson T, Banyasz A, Sarkar N, Markovitsi D, Improta R
* Statin: New life for an old drug (323 visite)
Pharmacol Res Academic Press, 2008 Jun 23; 350(1-3): 1-2.
Impact Factor: 3.976
Dettagli Esporta in BibTeX Esporta in 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 (243 visite)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic, 0192-8651linking), 2008 Apr 30; 29(6): 957-964.
Impact Factor: 3.39
Dettagli Esporta in BibTeX Esporta in EndNote
Improta R
The Excited States Of Pi-Stacked 9-Methyl Adenine Oligomers: A Td-Dft Study In Aqueous Solution (152 visite)
Physical Chemistry Chemical Physics, 2008; 10: 2656-2664.
Impact Factor: 2.028
Dettagli Esporta in BibTeX Esporta in EndNote
Santoro F, Barone V, Benzi C, Improta R
* Excited state properties of sizable molecules in solution: From structure to reactivity (214 visite)
Theor Chem Acc (ISSN: 1432-881x), 2007 May; 117(5-6): 1073-1084.
Impact Factor: 2.537
Dettagli Esporta in BibTeX Esporta in EndNote
Bonomo RP, Pappalardo G, Rizzarelli E, Santoro AM, Tabbì G, Vagliasindi LI
* Nitrogen oxide interaction with copper complexes formed by small peptides belonging to the prion protein octa-repeat region (382 visite)
Dalton T (ISSN: 1477-9226, 1477-9234, 1477-9234electronic), 2007 Apr 14; (14): 1400-1408.
Impact Factor: 3.212
Dettagli Esporta in BibTeX Esporta in EndNote
Bucci EM, Valente M, Musumeci D, Sapio R, Anrò V, Roviello GN, Moccia M
* ODN-based drugs for targeting of extracellular proteins (236 visite)
Nucleosides Nucleotides Nucleic Acids (ISSN: 1525-7770), 2007; 26(8-9): 1047-1050.
Impact Factor: 0.723
Dettagli Esporta in BibTeX Esporta in EndNote
Moccia M, Musumeci D, Valente M, Roviello GN, Sapio R, Pedone C, Bucci EM
* Thermodynamic studies on PNA and PNA/DNA dendrimer formation (200 visite)
Nucleosides Nucleotides Nucleic Acids (ISSN: 1525-7770), 2007; 26(8-9): 1173-1176.
Impact Factor: 0.723
Dettagli Esporta in BibTeX Esporta in 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 (244 visite)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2006 Dec 20; 128(50): 16312-16322.
Impact Factor: 7.696
Dettagli Esporta in BibTeX Esporta in EndNote
Improta R, Barone V, Scalmani G, Frisch MJ
* A state-specific polarizable continuum model time dependent density functional theory method for excited state calculations in solution (275 visite)
J Chem Phys (ISSN: 0021-9606, 0897-690online), 2006 Sep 7; 125(5): N/D-N/D.
Impact Factor: 3.166
Dettagli Esporta in BibTeX Esporta in EndNote
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 (297 visite)
J Chem Phys (ISSN: 0021-9606, 0897-690online), 2006 Jul 28; 125(4): 44512-44512.
Impact Factor: 3.166
Dettagli Esporta in BibTeX Esporta in EndNote
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 (283 visite)
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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Borgatti M, Finotti A, Romanelli A, Saviano M, Bianchi N, Lampronti I, Lambertini E, Penolazzi L, Nastruzzi C, Mischiati C, Piva R, Pedone C, Gambari R
* Peptide nucleic acids (PNA)-DNA chimeras targeting transcription factors as a tool to modify gene expression (426 visite)
Curr Drug Targets (ISSN: 1389-4501), 2004 Nov; 5(8): 735-744.
Impact Factor: 4.104
Dettagli Esporta in BibTeX Esporta in EndNote
Mischiati C, Sereni A, Finotti A, Breda L, Cortesi R, Nastruzzi C, Romanelli A, Saviano M, Bianchi N, Pedone C, Borgatti M, Gambari R
* Complexation to cationic microspheres of double-stranded peptide nucleic acid-DNA chimeras exhibiting decoy activity (293 visite)
Journal Of Biomedical Science (ISSN: 1021-7770), 2004 Sep; 11(5): 697-704.
Impact Factor: 1.567
Dettagli Esporta in BibTeX Esporta in EndNote
Caricasole A, Copani A, Caraci F, Aronica E, Rozemuller AJ, Caruso A, Storto M, Gaviraghi G, Terstappen GC, Nicoletti F
* Induction of Dickkopf-1, a negative modulator of the Wnt pathway, is associated with neuronal degeneration in Alzheimer's brain (468 visite)
J Neurosci (ISSN: 0270-6474, 0361-803x, 1529-2401), 2004 Jun 30; 24(26): 6021-6027.
Impact Factor: 2.384
Dettagli Esporta in BibTeX Esporta in EndNote
Barone V, Formaggio F, Improta R, Polo F, Maran F
* Electron transfer to and conformational preferences of Aib oligo-peptides (333 visite)
Proc Electrochem Soc, 2004; 10: 29-32.
Impact Factor: 0
Dettagli Esporta in BibTeX Esporta in EndNote
Vitagliano L, Masullo M, Sica F, Zagari A, Bocchini V
* The crystal structure of Sulfolobus solfataricus elongation factor 1α in complex with GDP reveals novel features in nucleotide binding and exchange (273 visite)
Embo J (ISSN: 0261-4189), 2001 Oct 1; 20(19): 5305-5311.
Impact Factor: 12.459
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Zannetti A, Del Vecchio S, Carriero MV, Fonti R, Franco P, Botti G, D'Aiuto G, Stoppelli MP, Salvatore M
Coordinate up-regulation of Sp1 DNA-binding activity and urokinase receptor expression in breast carcinoma (382 visite)
Cancer Res (ISSN: 0008-5472, 1538-7445, 1538-7445electronic), 2000 Mar 15; 60(6): 1546-1551.
Impact Factor: 8.46
Dettagli Esporta in BibTeX Esporta in EndNote
De Napoli L, De Luca S, Di Fabio G, Messere A, Montesarchio D, Morelli G, Piccialli G, Tesauro D
A facile solid-phase strategy for the synthesis of oligonucleotide- tetraphenylporphyrin conjugates (300 visite)
European Journal Of Organic Chemistry (ISSN: 1434-193x), 2000; (6): 1013-1018.
Impact Factor: 2.15
Dettagli Esporta in BibTeX Esporta in EndNote
Sica F, Adinolfi S, Berisio R, De Lorenzo C, Mazzarella L, Piccoli R, Vitagliano L, Zagari A
Crystallization of multiple forms of bovine seminal ribonuclease in the liganded and unliganded state (239 visite)
J Cryst Growth (ISSN: 0022-0248), 1999; 196(2-4): 305-312.
Impact Factor: 1.492
Dettagli Esporta in BibTeX Esporta in EndNote
Adinolfi S, Piccoli R, Sica F, Mazzarella L
BS-RNase tetramers: An example of domain-swapped oligomers (360 visite)
Febs Lett (ISSN: 0014-5793, 0014-5793print, 1873-3468electronic), 1996 Dec 2; 398(2-3): 326-332.
Impact Factor: 3.504
Dettagli Esporta in BibTeX Esporta in EndNote
Mastruzzo L, Woisard A, Ma DD, Rizzarelli E, Favre A, Le Doan T
TARGETED PHOTOCHEMICAL MODIFICATION OF HIV-DERIVED OLIGORIBONUCLEOTIDES BY ANTISENSE OLIGODEOXYNUCLEOTIDES LINKED TO PORPHYRINS (253 visite)
Photochem Photobiol (ISSN: 0031-8655), 1994 Oct; 60(4): 316-322.
Impact Factor: 2.426
Dettagli Esporta in BibTeX Esporta in EndNote
Bustamante C, Gurrieri S, Pasternack RF, Purrello R, Rizzarelli E
Interaction of water-soluble porphyrins with single- and double-stranded polyribonucleotides (346 visite)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 1994 Sep; 34(8): 1099-1104.
Impact Factor: 2.425
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Maglione D, Guerriero V, Viglietto G, Ferraro MG, Aprelikova O, Alitalo K, Del Vecchio S, Lei KJ, Chou JY, Persico MG
Two alternative mRNAs coding for the angiogenic factor, placenta growth factor (PlGF), are transcribed from a single gene of chromosome 14 (379 visite)
Oncogene (ISSN: 0950-9232, 1476-5594), 1993; 8(4): 925-931.
Impact Factor: 6.772
Dettagli Esporta in BibTeX Esporta in EndNote
72 Records (70 escludendo Abstract e Conferenze).
Impact factor totale: 398.216 (391.884 escludendo Abstract e Conferenze).
Impact factor a 5 anni totale: 406.26 (399.976 escludendo Abstract e Conferenze).
Impact factor totale: 398.216 (391.884 escludendo Abstract e Conferenze).
Impact factor a 5 anni totale: 406.26 (399.976 escludendo Abstract e Conferenze).
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