* Adenine radicals generated in alternating AT duplexes by direct absorption of low-energy UV radiation (30 visite)
Banyasz A, Ketola T, Martinez-fernandez L, Improta R, Markovitsi D
Faraday Discuss (ISSN: 1359-6640print, 1359-6640linking), 2018 Jan 26; N/D: N/D-N/D.
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* Specific Recognition of G-Quadruplexes Over Duplex-DNA by a Macromolecular NIR Two-Photon Fluorescent Probe (25 visite)
Deiana M, Mettra B, Martinez-fernandez L, Mazur LM, Pawlik K, Andraud C, Samoc M, Improta R, Monnereau C, Matczyszyn K
J Phys Chem Lett (ISSN: 1948-7185electronic, 1948-7185linking), 2017 Dec 7; 8(23): 5915-5920.
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* Multiple Electronic and Structural Factors Control Cyclobutane Pyrimidine Dimer and 6-4 Thymine-Thymine Photodimerization in a DNA Duplex (26 visite)
Conti I, Martinez-fernandez L, Esposito L, Hofinger S, Nenov A, Garavelli M, Improta R
Chemistry (ISSN: 1521-3765electronic, 0947-6539linking), 2017 Oct 26; 23(60): 15177-15188.
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* Optical absorption and magnetic circular dichroism spectra of thiouracils: a quantum mechanical study in solution (28 visite)
Martinez-fernandez L, Fahleson T, Norman P, Santoro F, Coriani S, Improta R
Photochem Photobiol Sci (ISSN: 1474-9092electronic, 1474-905xlinking), 2017 Sep 13; 16(9): 1415-1423.
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* Absorption of Low-Energy UV Radiation by Human Telomere G-Quadruplexes Generates Long-Lived Guanine Radical Cations (27 visite)
Banyasz A, Martinez-fernandez L, Balty C, Perron M, Douki T, Improta R, Markovitsi D
J Am Chem Soc (ISSN: 1520-5126electronic, 0002-7863linking), 2017 Aug 2; 139(30): 10561-10568.
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* Thiophene pyrenyl derivatives for the supramolecular processability of single-walled carbon nanotubes in thin film heterojunction (28 visite)
Sartorio C, Figà V, Salice P, Gragnato D, Cataldo S, Scopelliti M, Improta R, Menna E, Pignataro B
Synthetic Metals, 2017 Jul; 229: 7-15.
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* Novel adenine/thymine photodimerization channels mapped by PCM/TD-DFT calculations on dApT and TpdA dinucleotides (31 visite)
Martinez-fernandez L, Improta R
Photochem Photobiol Sci (ISSN: 1474-9092electronic, 1474-905xlinking), 2017 Jun 22; N/D: N/D-N/D.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Photophysics of Deoxycytidine and 5-Methyldeoxycytidine in Solution: A Comprehensive Picture by Quantum Mechanical Calculations and Femtosecond Fluorescence Spectroscopy (40 visite)
Martinez-fernandez L, Pepino AJ, Segarra-marti J, Jovaisaite J, Vaya I, Nenov A, Markovitsi D, Gustavsson T, Banyasz A, Garavelli M, Improta R
J Am Chem Soc (ISSN: 1520-5126electronic, 0002-7863linking), 2017 Jun 14; 139(23): 7780-7791.
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* UV-induced damage to DNA: effect of cytosine methylation on pyrimidine dimerization (28 visite)
Martinez-fernandez L, Banyasz A, Esposito L, Markovitsi D, Improta R
Signal Transduction And Targeted Therapy, 2017 Jun; N/D: N/D-N/D.
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* Resolving Ultrafast Photoinduced Deactivations in Water-Solvated Pyrimidine Nucleosides (28 visite)
Pepino AJ, Segarra-marti J, Nenov A, Improta R, Garavelli M
J Phys Chem Lett (ISSN: 1948-7185electronic, 1948-7185linking), 2017 Apr 20; 8(8): 1777-1783.
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* Electronic spectroscopy of a solvatochromic dye in water: comparison of static cluster/implicit and dynamical/explicit solvent models on structures and energies (42 visite)
Cerezo J, Petrone A, Avila Ferrer FJ, Donati G, Santoro F, Improta R, Rega N
Theoretical Chemistry Accounts, 2016 Dec; N/D: N/D-N/D.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* UV-Induced Adenine Radicals Induced in DNA A-Tracts: Spectral and Dynamical Characterization (33 visite)
Banyasz A, Ketola TM, Munoz-losa A, Rishi S, Adhikary A, Sevilla MD, Martinez-fernandez L, Improta R, Markovitsi D
J Phys Chem Lett (ISSN: 1948-7185electronic, 1948-7185linking), 2016 Oct 06; 7(19): 3949-3953.
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* Computing the Absorption and Emission Spectra of 5-Methylcytidine in Different Solvents: A Test-Case for Different Solvation Models (29 visite)
Martinez-fernandez L, Pepino AJ, Segarra-marti J, Banyasz A, Garavelli M, Improta R
J Chem Theory Comput (ISSN: 1549-9626electronic, 1549-9618linking), 2016 Sep 13; 12(9): 4430-4439.
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* Vibronic approach to the calculation of the decay rate of the photoexcited charge-transfer state of Guanine-Cytosine stacked dimer in water solution (45 visite)
Cerezo J, Martinez-fernandez L, Improta R, Santoro F
Theoretical Chemistry Accounts, 2016 Sep; N/D: N/D-N/D.
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* Photoinduced long-lived charge transfer excited states in AT-DNA strands (36 visite)
Martinez-fernandez L, Zhang Y, De La Harpe K, Beckstead AA, Kohler B, Improta R
Phys Chem Chem Phys (ISSN: 1463-9084electronic, 1463-9076linking), 2016 Aug 21; 18(31): 21241-21245.
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* Tautomers of a Fluorescent G Surrogate and Their Distinct Photophysics Provide Additional Information Channels (56 visite)
Sholokh M, Improta R, Mori M, Sharma R, Kenfack C, Shin D, Voltz K, Stote RH, Zaporozhets OA, Botta M, Tor Y, Mely Y
Angew Chem Int Ed (ISSN: 1521-3773electronic, 1433-7851linking), 2016 Jun 8; N/D: N/D-N/D.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Excited State Pathways Leading to Formation of Adenine Dimers (51 visite)
Banyasz A, Martinez-fernandez L, Ketola TM, Munoz-losa A, Esposito L, Markovitsi D, Improta R
J Phys Chem Lett (ISSN: 1948-7185electronic, 1948-7185linking), 2016 Jun 2; 7(11): 2020-2023.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* The absorption and emission spectra in solution of oligothiophene-based push–pull biomarkers: a PCM/TD-DFT vibronic study (57 visite)
Stendardo E, Ferrer F, Santoro F, Improta R
Theoretical Chemistry Accounts, 2016 Jun; 135: 1-17.
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* Effect of C5-Methylation of Cytosine on the UV-Induced Reactivity of Duplex DNA: Conformational and Electronic Factors (62 visite)
Banyasz A, Esposito L, Douki T, Perron M, Lepori C, Improta R, Markovitsi D
J Phys Chem B (ISSN: 1520-5207electronic, 1520-5207linking, 1520-6106), 2016 May 12; 120(18): 4232-4242.
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* Excited-State Dynamics of DNA Duplexes with Different H-Bonding Motifs (58 visite)
Zhang Y, De La Harpe K, Beckstead AA, Martínez-fernández L, Improta R, Kohler B
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic), 2016; 7(6): 950-954.
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* High-Energy Long-Lived Mixed Frenkel-Charge-Transfer Excitons: From Double Stranded (AT)n to Natural DNA (80 visite)
Vayá I, Brazard J, Huix-rotllant M, Thazhathveetil AK, Lewis FD, Gustavsson T, Burghardt I, Improta R, Markovitsi D
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2016; 22(14): 4904-4914.
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* Quantum Mechanical Studies on the Photophysics and the Photochemistry of Nucleic Acids and Nucleobases (105 visite)
Improta R, Santoro F, Blancafort L
Chemical Reviews (ISSN: 0009-2665), 2016; 116(6): 3540-3593.
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* The determinants of bond angle variability in protein/peptide backbones: A comprehensive statistical/quantum mechanics analysis (35 visite)
Improta R, Vitagliano L, Esposito L
Proteins (ISSN: 1097-0134electronic, 0887-3585linking), 2015 Nov; 83(11): 1973-1986.
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* UV-Induced Proton Transfer between DNA Strands (89 visite) (PDF 78 visite)
Zhang Y, de La Harpe K, Beckstead AA, Improta R, Kohler B
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2015 Jun 10; 137(22): 7059-7062.
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* A State-Specific PCM-DFT method to include dynamic solvent effects in the calculation of ionization energies: Application to DNA bases (77 visite)
Muñoz-Losa A, Markovitsi D, Improta R
Chemical Physics Letters (ISSN: 0009-2614), 2015; 634: 20-24.
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* Absorption and emission spectral shapes of a prototype dye in water by combining classical/dynamical and quantum/static approaches (82 visite)
Petrone A, Cerezo J, Ferrer FJA, Donati G, Improta R, Rega N, Santoro F
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic), 2015; 119(21): 5426-5438.
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* Bond distances in polypeptide backbones depend on the local conformation (74 visite)
Improta R, Vitagliano L, Esposito L
Acta Crystallogr Sect D Biol Crystallogr Acta Crystallographica Section D Biological Crystallography (ISSN: 0907-4449), 2015; 71: 1272-1283.
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* Excited States behavior of nucleobases in solution: insights from computational studies (73 visite)
Improta R, Barone V
Topics In Current Chemistry (ISSN: 0340-1022), 2015; 355: 329-357.
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* Intramolecular vibrational redistribution in the non-radiative excited state decay of uracil in the gas phase: An ab initio molecular dynamics study (83 visite)
Carbonniere P, Pouchan C, Improta R
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2015; 17(17): 11615-11626.
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* On the trade-off between processability and opto-electronic properties of single wall carbon nanotube derivatives in thin film heterojunctions (73 visite)
Salice P, Sartorio C, Burlini A, Improta R, Pignataro B, Menna E
J Mater Chem Cjournal Of Materials Chemistry C (ISSN: 2050-7534, 2050-7526), 2015; 3(2): 303-312.
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* Photoinduced Electron Transfer in DNA: Charge Shift Dynamics between 8-Oxo-Guanine Anion and Adenine (98 visite)
Zhang Y, Dood J, Beckstead AA, Li X-B, Nguyen KV, Burrows CJ, Improta R, Kohler B
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2015; 119(24): 7491-7502.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Stabilization of mixed frenkel-charge transfer excitons extended across both strands of guanine-cytosine DNA duplexes (88 visite)
Huix-Rotllant M, Brazard J, Improta R, Burghardt I, Markovitsi D
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic), 2015; 6(12): 2247-2251.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* TD-DFT investigation of the magnetic circular dichroism spectra of some purine and pyrimidine bases of nucleic acids (91 visite)
Fahleson T, Kauczor J, Norman P, Santoro F, Improta R, Coriani S
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic), 2015; 119(21): 5476-5489.
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* Ultrafast Excited-State Deactivation of 8-Hydroxy-2′-deoxyguanosine Studied by Femtosecond Fluorescence Spectroscopy and Quantum-Chemical Calculations (76 visite)
Changenet-Barret P, Gustavsson T, Improta R, Markovitsi D
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic), 2015; 119(23): 6131-6139.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Quantum-classical calculation of the absorption and emission spectral shapes of oligothiophenes at low and room temperature by first-principle calculations (32 visite)
Improta R, Ferrer FJ, Stendardo E, Santoro F
Chemphyschem (ISSN: 1439-7641electronic, 1439-4235linking), 2014 Oct 20; 15(15): 3320-3333.
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* Efficient UV-induced charge separation and recombination in an 8-oxoguanine-containing dinucleotide (92 visite)
Zhang Y, Dood J, Beckstead AA, Li X-B, Nguyen KV, Burrows CJ, Improta R, Kohler B
Proc Natl Acad Sci U S A (ISSN: 0027-8424, 1091-6490, 0027-8424print), 2014 Sep 12; 111(32): 11612-11617.
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* Effect of C5-methylation of cytosine on the photoreactivity of DNA: A joint experimental and computational study of TCG trinucleotides (84 visite)
Esposito L, Banyasz A, Douki T, Perron M, Markovitsi D, Improta R
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2014 Sep 6; 136(31): 10838-10841.
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* First-principle computation of absorption and fluorescence spectra in solution accounting for vibronic structure, temperature effects and solvent inhomogenous broadening (138 visite)
Avila Ferrer FJ, Cerezo J, Soto J, Improta R, Santoro F
Comput Theor Chem Elsevier (ISSN: 2210-271x), 2014 Jul 15; 1040-1041: 328-337.
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* Quantum mechanical calculations unveil the structure and properties of the absorbing and emitting excited electronic states of guanine quadruplex (90 visite)
Improta R
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2014 Jun 23; 20(26): 8106-8115.
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* Relative stability of the La and Lb excited states in adenine and guanine: Direct evidence from TD-DFT calculations of MCD spectra (79 visite)
Santoro F, Improta R, Fahleson T, Kauczor J, Norman P, Coriani S
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic), 2014 Jun 5; 5(11): 1806-1811.
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Mode-specific vibrational relaxation of photoexcited guanosine 5'-monophosphate and its acid form: a femtosecond broadband mid-IR transient absorption and theoretical study (33 visite)
Zhang Y, Improta R, Kohler B
Phys Chem Chem Phys (ISSN: 1463-9084electronic, 1463-9076linking), 2014 Jan 28; 16(4): 1487-1499.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Correction: Peptide bond distortions from planarity: New insights from quantum mechanical calculations and peptide/protein crystal structures (PLoS ONE) (60 visite)
Improta R, Vitagliano L,  Esposito L
Plos One (ISSN: 1932-6203, 1932-6203electronic), 2014; 9(1): N/D-N/D.
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* Insights for an accurate comparison of computational data to experimental absorption and emission spectra: Beyond the vertical transition approximation (75 visite)
Avila Ferrer FJ, Cerezo J, Stendardo E, Improta R, Santoro F
J Chem Theory Comput (ISSN: 1549-9618, 1549-9626electronic), 2013 Apr; 9(4): 2072-2082.
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* UV-light-induced hydrogen transfer in guanosine-guanosine aggregates (102 visite)
Hunger K, Buschhaus L, Biemann L, Braun M, Kovalenko S, Improta R, Kleinermanns K
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2013 Apr; 19(17): 5425-5431.
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* Multi-pathway excited state relaxation of adenine oligomers in aqueous solution: A joint theoretical and experimental study (74 visite)
Banyasz A, Gustavsson T, Onidas D, Changenet-Barret P, Markovitsi D, Improta R
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2013 Mar; 19(11): 3762-3774.
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* A joint experimental/theoretical study of the ultrafast excited state deactivation of deoxyadenosine and 9-methyladenine in water and acetonitrile (76 visite)
Gustavsson T, Sarkar S, Vaya I, Jimenez MC, Markovitsi D, Improta R
Photochem Photobiol Sci (ISSN: 1474-905x), 2013; 12(8): 1375-1386.
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* Quantum-classical effective-modes dynamics of the ππ * → nπ* decay in 9H-adenine. A quadratic vibronic coupling model (74 visite)
Picconi D, Avila Ferrer FJ, Improta R, Lami A, Santoro F
Faraday Discuss (ISSN: 1359-6640), 2013; 163: 223-242.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* The interplay between neutral exciton and charge transfer states in single-strand polyadenine: A quantum dynamical investigation (94 visite)
Santoro F, Improta R, Avila Ferrer FJ, Segado M, Lami A
Photochem Photobiol Sci (ISSN: 1474-905x), 2013; 12(8): 1527-1543.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Photophysics and photochemistry of thymine deoxy-dinucleotide in water: A PCM/TD-DFT quantum mechanical study (88 visite)
Improta R
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2012 Dec 13; 116(49): 14261-14274.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Electronic excited states responsible for dimer formation upon UV absorption directly by thymine strands: Joint experimental and theoretical study (85 visite)
Banyasz A, Douki T, Improta R, Gustavsson T, Onidas D, Vaya I, Perron M, Markovitsi D
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2012 Sep 12; 134(36): 14834-14845.
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* Cation effect on the electronic excited states of guanine nanostructures studied by time-resolved fluorescence spectroscopy (81 visite)
Hua Y, Changenet-Barret P, Improta R, Vaya I, Gustavsson T, Kotlyar AB, Zikich D, Sket P, Plavec J, Markovitsi D
J Phys Chem C (ISSN: 1932-7447), 2012 Jul 12; 116(27): 14682-14689.
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* The effect of methylation on the excited state dynamics of aminouracils (62 visite)
Gustavsson T, Improta R, Banyasz A, Vaya I, Markovitsi D
J Photochem Photobiol A Chem (ISSN: 1010-6030), 2012 Apr 15; 234: 37-43.
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* Effects of molecular dynamics and solvation on the electronic structure of molecular probes (87 visite)
Caruso P, Causà M, Cimino P, Crescenzi O, D'Amore M, Improta R, Pavone M, Rega N
Theor Chem Acc (ISSN: 1432-881x), 2012 Apr; 131(4): 1211-1212.
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* Barrierless photoisomerisation of the "simplest cyanine": Joining computational and femtosecond optical spectroscopies to trace the full reaction path (76 visite)
Weigel A, Pfaffe M, Sajadi M, Mahrwald R, Improta R, Barone V, Polli D, Cerullo G, Ernsting NP, Santoro F
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2012; 14(38): 13350-13364.
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* Solvent effects on electron-driven proton-transfer processes: Adenine-thymine base pairs (61 visite)
Dargiewicz M, Biczysko M, Improta R, Barone V
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2012; 14(25): 8981-8989.
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* Vibrationally resolved absorption and emission spectra of dithiophene in the gas phase and in solution by first-principle quantum mechanical calculations (68 visite)
Stendardo E, Avila FJA, Santoro F, Improta R
J Chem Theory Comput (ISSN: 1549-9618, 1549-9626electronic, 1549-9618linking), 2012; 8(11): 4483-4493.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Excited state proton transfer is not involved in the ultrafast deactivation of Guanine-cytosine pair in solution (59 visite)
Biemann L, Kovalenko SA, Kleinermanns K, Mahrwald R, Markert M, Improta R
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2011 Dec 14; 133(49): 19664-19667.
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* Interplay between "neutral" and "charge-transfer" excimers rules the excited state decay in adenine-rich polynucleotides (58 visite)
Improta R, Barone V
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic), 2011 Dec 9; 50(50): 12016-12019.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Peptide bond distortions from planarity: New insights from quantum mechanical calculations and peptide/protein crystal structures (97 visite)
Improta R, Vitagliano L, Esposito L
Plos One (ISSN: 1932-6203, 1932-6203electronic), 2011 Sep 16; 6(9): e24533-e24533.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* The Interplay between ππ*/nπ* excited states in gas-phase thymine: A quantum dynamical study (60 visite)
Picconi D, Barone V, Lami A, Santoro F, Improta R
Chemphyschem (ISSN: 1439-4235, 1439-7641, 1439-7641electronic), 2011 Jul 11; 12(10): 1957-1968.
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* Computing the inhomogeneous broadening of electronic transitions in solution: A first-principle quantum mechanical approach (68 visite)
Avila FF, Improta R, Santoro F, Barone V
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2011; 13(38): 17007-17012.
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* Femtosecond fluorescence studies of DNA/RNA constituents (56 visite)
Gustavsson T, Banyasz A, Improta R, Markovitsi D
J Phys Conf Ser (ISSN: 1742-6588), 2011; 261(1): 13-13.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* UV-Visible Absorption and Emission Energies in Condensed Phase by PCM/TD-DFT Methods (59 visite)
Improta R
Comput Strateg For Spectrosc (ISSN: 9780-4704), 2011; N/D: 37-75.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* The peculiar spectral properties of amino-substituted uracils: A combined theoretical and experimental study (78 visite)
Banyasz A, Karpati S, Mercier Y, Reguero M, Gustavsson T, Markovitsi D, Improta R
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2010 Oct 7; 114(39): 12708-12719.
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* Optical properties of guanine nanowires: Experimental and theoretical study (58 visite)
Changenet-Barret P, Emanuele E, Gustavsson T, Improta R, Kotlyar AB, Markovitsi D, Vaya I, Zakrzewska K, Zikich D
J Phys Chem C (ISSN: 1932-7447), 2010 Sep 2; 114(34): 14339-14346.
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DNA/RNA: Building blocks of life under UV irradiation (66 visite)
Gustavsson T, Improta R, Markovitsi D
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2010 Jul 1; 1(13): 2025-2030.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Time-Dependent and Time-Independent Approaches for the Computation of Absorption Spectra of Uracil Derivatives in Solution (65 visite)
Improta R, Lami A, Barone V SF
International Journal Of Quantum Chemistry (ISSN: 0020-7608), 2010 Mar 5; 110(3): 624-636.
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* The excited electronic states of adenine-guanine stacked dimers in aqueous solution: A PCM/TD-DFT study (75 visite)
Santoro F, Barone V, Lami A, Improta R
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2010; 12(19): 4934-4948.
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* 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 (62 visite)
Improta R, Santoro F, Barone V, Lami A
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic, 1089-5639linking), 2009 Dec 31; 113(52): 15346-15354.
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* 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 (72 visite)
Improta R, Barone V
J Mol Struct Theochem (ISSN: 0166-1280), 2009 Nov 30; 914(1-3): 87-93.
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* Quantum dynamics of the ultrafast ππ*/nπ* population transfer in uracil and 5-fluoro-uracil in water and acetonitrile (64 visite)
Improta R, Barone V, Lami A, Santoro F
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2009 Oct 29; 113(43): 14491-14503.
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* Three-dimensional diabatic models for the ππ* → nπ*excited-state decay of uracil derivatives in solution (65 visite)
Santoro F, Improta R, Barone V
Theor Chem Acc (ISSN: 1432-881x), 2009 Jun; 123(3-4): 273-286.
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* On the controversial nature of the 1 B-1(u) and 2 B-1(u) states of trans-stilbene: The n-electron valence state perturbation theory approach (79 visite)
Angeli C, Improta R, Santoro F
J Chem Physj Chem Phys (ISSN: 0021-9606), 2009 May 7; 130(17): N/D-N/D.
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* Role of side chains in collagen triple helix stabilization and partner recognition (198 visite)
Berisio R, De Simone A, Ruggiero A, Improta R, Vitagliano L
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2009 Mar; 15(3): 131-140.
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* Photoinduced dynamics of guanosine monophosphate in water from broad-band transient absorption spectroscopy and quantum-chemical calculations (70 visite)
Karunakaran V, Kleinermanns K, Improta R, Kovalenko SA
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(16): 5839-5850.
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* 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 (66 visite)
Santoro F, Barone V, Improta R
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(42): 15232-15245.
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* The polarizability in solution of tetra-phenyl-porphyrin derivatives in their excited electronic states: A PCM/TD-DFT study (59 visite)
Improta R, Ferrante C, Bozio R, Barone V
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2009; 11(22): 4664-4673.
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* 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 (63 visite)
Mercier Y, Santoro F, Reguero M, Improta R
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2008 Sep 4; 112(35): 10769-10772.
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* Effect of amino substitution on the excited state dynamics of uracil (72 visite)
Banyasz A, Gustavsson T, Keszei E, Improta R, Markovitsi D
Photochem Photobiol Sci (ISSN: 1474-905x), 2008 Jul; 7(7): 765-768.
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* The excited states of adenine and thymine nucleoside and nucleotide in aqueous solution: A comparative study by time-dependent DFT calculations (73 visite)
Improta R, Barone V
Theor Chem Acc (ISSN: 1432-881x), 2008 Jul; 120(4-6): 491-497.
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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 (64 visite)
Gustavsson T, Bányász A, Sarkar N, Markovitsi D, Improta R
Chem Phys (ISSN: 0301-0104), 2008 Jun 23; 350(1-3): 186-192.
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* Statin: New life for an old drug (95 visite)
Gustavsson T, Banyasz A, Sarkar N, Markovitsi D, Improta R
Pharmacol Res Academic Press, 2008 Jun 23; 350(1-3): 1-2.
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* Effective method for the computation of optical spectra of large molecules at finite temperature including the Duschinsky and Herzberg-Teller effect: The Qx band of porphyrin as a case study (60 visite)
Santoro F, Lami A, Improta R, Bloino J, Barone V
J Chem Physj Chem Phys (ISSN: 0021-9606), 2008 Jun 14; 128(22): 17-17.
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* Contribution of dipole-dipole interactions to the stability of the collagen triple helix (66 visite)
Improta R, Berisio R, Vitagliano L
Protein Sci (ISSN: 0961-8368, 1469-896xelectronic), 2008 May; 17(5): 955-961.
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* Quantum mechanical computations and spectroscopy: From small rigid molecules in the gas phase to large flexible molecules in solution (72 visite)
Barone V, Improta R, Rega N
Acc Chem Res (ISSN: 0001-4842), 2008 May; 41(5): 605-616.
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* Can TD-DFT calculations accurately describe the excited states behavior of stacked nucleobases? The cytosine dimer as a test case (80 visite)
Santoro F, Barone V, Improta R
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic, 0192-8651linking), 2008 Apr 30; 29(6): 957-964.
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The Excited States Of Pi-Stacked 9-Methyl Adenine Oligomers: A Td-Dft Study In Aqueous Solution (61 visite)
Improta R
Physical Chemistry Chemical Physics, 2008; 10: 2656-2664.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Toward effective and reliable fluorescence energies in solution by a new state specific polarizable continuum model time dependent density functional theory approach (63 visite)
Improta R, Scalmani G, Frisch MJ, Barone V
J Chem Physj Chem Phys (ISSN: 0021-9606), 2007 Sep 21; 127(7): N/D-N/D.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* UV-vis spectra of p-benzoquinone anion radical in solution by a TD-DFT/PCM approach (170 visite)
Barone V, Improta R, Morelli G, Santoro F
Theor Chem Acc (ISSN: 1432-881x), 2007 Jul; 118(1): 143-148.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Effective method to compute vibrationally resolved optical spectra of large molecules at finite temperature in the gas phase and in solution (59 visite)
Santoro F, Lami A, Improta R, Barone V
J Chem Physj Chem Phys (ISSN: 0021-9606), 2007 May 14; 126(18): 184102-184102.
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* Excited state properties of sizable molecules in solution: From structure to reactivity (70 visite)
Santoro F, Barone V, Benzi C, Improta R
Theor Chem Acc (ISSN: 1432-881x), 2007 May; 117(5-6): 1073-1084.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Solvent effects on the steady-state absorption and fluorescence spectra of uracil, thymine and 5-fluorouracil (70 visite)
Gustavsson T, Sarkar N, Banyasz A, Markovitsi D, Improta R
Photochem Photobiol (ISSN: 0031-8655), 2007 May; 83(3): 595-599.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Effective method to compute Franck-Condon integrals for optical spectra of large molecules in solution (67 visite)
Santoro F, Improta R, Lami A, Bloino J, Barone V
J Chem Physj Chem Phys (ISSN: 0021-9606), 2007 Feb 28; 126(8): 084509-084509.
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* Does Tetracycline Bind Helix 2 Of Prion? An Integrated Spectroscopical And Computational Study Of The Interaction Between The Antibiotic And Alpha Helix 2 Human Prion Protein Fragments (122 visite)
Ronga L, Langella E, Palladino P, Marasco D, Tizzano B, Saviano M, Pedone C, Improta R, Ruvo M
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2007 Feb 15; 66(3): 707-715.
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* Ab initio calculations of absorption spectra of large molecules in solution: Coumarin C153 (75 visite)
Improta R, Barone V, Santoro F
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic), 2007; 46(3): 405-408.
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* Erratum: Effective Method To Compute Franck-Condon Integrals For Optical Spectra Of Large Molecules In Solution (45 visite)
Santoro F, Improta R, Lami A, Bloino J, Barone V
J Chem Physj Chem Phys (ISSN: 0021-9606), 2007; 126(16): N/D-N/D.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Influence of base stacking on excited-state behavior of polyadenine in water, based on time-dependent density functional calculations (51 visite)
Santoro F, Barone V, Improta R
Proc Natl Acad Sci U S A (ISSN: 0027-8424, 1091-6490, 0027-8424print), 2007; 104(24): 9931-9936.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Quantum dynamics of ultrafast photoinduced processes in biological molecules (65 visite)
Santoro F, Barone V, Improta R, Lami A, Olivucci M
Aip Conf Proc (ISSN: 0094-243x), 2007; 963(2): 667-670.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Towards the understanding of the excited state dynamics of nucleic acids: Solvent and stacking effect on the photophysical behavior of nucleobases (65 visite)
Santoro F, Gustavsson T, Lami S, Barone V, Improta R
Aip Conf Proc (ISSN: 0094-243x), 2007; 963(2): 631-634.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Solvent effect on the singlet excited-state lifetimes of nucleic acid bases: A computational study of 5-fluorouracil and uracil in acetonitrile and water (60 visite)
Santoro F, Barone V, Gustavsson T, Improta R
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2006 Dec 20; 128(50): 16312-16322.
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* Singlet excited state dynamics of uracil and thymine derivatives: A femtosecond fluorescence upconversion study in acetonitrile (58 visite)
Gustavsson T, Sarkar N, Lazzarotto E, Markovitsi D, Improta R
Chemical Physics Letters (ISSN: 0009-2614), 2006 Oct 5; 429(4-6): 551-557.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* A state-specific polarizable continuum model time dependent density functional theory method for excited state calculations in solution (70 visite)
Improta R, Barone V, Scalmani G, Frisch MJ
J Chem Physj Chem Phys (ISSN: 0021-9606), 2006 Sep 7; 125(5): N/D-N/D.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Femtosecond study on the isomerization dynamics of NK88. I. Ground-state dynamics after photoexcitation (64 visite)
Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
J Chem Phys (ISSN: 0021-9606, 0021-9606print), 2006 Jul 28; 125(4): 44512-44544.
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* Femtosecond study on the isomerization dynamics of NK88. II. Excited-state dynamics (84 visite)
Vogt G, Nuernberger P, Gerber G, Improta R, Santoro F, Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
J Chem Physj Chem Phys (ISSN: 0021-9606), 2006 Jul 28; 125(4): 44512-44512.
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* Solvent effect on the singlet excited-state dynamics of 5-fluorouracil in acetonitrile as compared with water (67 visite)
Gustavsson T, Sarkar N, Lazzarotto E, Markovitsi D, Barone V, Improta R
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2006 Jul 6; 110(26): 12843-12847.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Assessing the acid-base and conformational properties of histidine residues in human prion protein (125-228) by means of pKα calculations and molecular dynamics simulations (127 visite)
Langella E, Improta R, Crescenzi O, Barone V
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2006 Jul 1; 64(1): 167-177.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Dissociative electron transfer in donor - Peptide - Acceptor systems: Results for kinetic parameters from a density functional/polarizable continuum model (63 visite)
Barone V, Newton MD, Improta R
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2006 Jun 29; 110(25): 12632-12639.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* A Parameter Free Quantum Mechanical Approach To The Calculation Of Electron Transfer Rates For Large Systems In Solution (57 visite)
Improta R, Barone V, Newton MD
Chemphyschem (ISSN: 1439-4235, 1439-7641, 1439-7641electronic), 2006 Jun 12; 7(6): 1211-1215.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Singlet excited-state behavior of uracil and thymine in aqueous solution: A combined experimental and computational study of 11 uracil derivatives (116 visite)
Gustavsson T, Banyasz A, Lazzarotto E, Markovitsi D, Scalmani G, Frisch MJ, Barone V, Improta R
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2006 Jan 18; 128(2): 607-619.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* A combined femtosecond fluorescence and TD-DFT study of uracil derivatives in aqueous solution (65 visite)
Gustavsson T, Lazzarotto E, Markovitsi D, Banyasz AA, Improta R, Scalmani G
Femtochemistry Vii Elsevier (ISSN: 9780-4445), 2006; N/D: 254-257.
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* A Generalized Polarizable Continuum Model For The Study Of Heterogeneous Dielectric Environments (68 visite)
Iozzi MF, Cossi M, Improta R, Rega N, Barone V
Journal Of Chemical Physics, 2006; 124: 1-9.
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* A State-Specific Pcm Td-Dft Method For Equilibrium And Non-Equilibrium Excited State Calculations In Solution (98 visite)
Improta R, Barone V, Scalmani G, Frisch MJ
The Journal Of Chemical Physics (ISSN: 0897-690online, 0021-9606printed), 2006; 125(5): 54103-54103.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Understanding Electron Transfer across Negatively-Charged Aib Oligopeptides (141 visite)
Improta R, Antonello S, Formaggio F, Maran F, Rega N, Barone V
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2005 Jan 20; 109(2): 1023-1033.
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* A Contribution To The Solvation Free Energy In Isotropic And Anisotropic Polarizable Continuum Model (73 visite)
Benzi C, Cossi M, Improta R, Barone V
Journal Of Computational Chemistry, 2005; 26: 1096-1105.
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* Checking the pH-induced conformational transition of prion protein by molecular dynamics simulations: Effect of protonation of histidine residues (91 visite)
Langella E, Improta R, Barone V
Biophysical Journal (ISSN: 0006-3495, 1542-0086), 2004 Dec; 87(6): 3623-3632.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Absorption and fluorescence spectra of uracil in the gas phase and in aqueous solution: A TD-DFT quantum mechanical study (142 visite)
Improta R, Barone V
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2004 Nov 10; 126(44): 14320-14321.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Benzophenone photophore flexibility and proximity: Molecular and crystal-state structure of a Bpa-containing trichogin dodecapeptide analogue (71 visite)
Saviano M, Improta R, Benedetti E, Carrozzini B, Cascarano GL, Didierjean C, Toniolo C, Crisma M
Chembiochem (ISSN: 1439-4227, 1439-7633, 1439-7633electronic), 2004 Apr 2; 5(4): 541-544.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Interplay of electronic, environmental, and vibrational effects in determining the hyperfine coupling constants of organic free radicals (80 visite)
Improta R, Barone V
Chemical Reviews (ISSN: 0009-2665), 2004 Mar; 104(3): 1231-1253.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Assesing the reliability of density functional methods in the conformational study of polypeptides: The treatment of intraresidue nonbonding interactions (67 visite)
Improta R, Barone V
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic), 2004; 25(11): 1333-1341.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Computation of protein pK's values by an integrated density functional theory/Polarizable Continuum Model approach (79 visite)
Barone V, Improta R, Rega N
Theor Chem Acc (ISSN: 1432-881x), 2004; 111(2-6): 237-245.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Electron transfer to and conformational preferences of Aib oligo-peptides (70 visite)
Barone V, Formaggio F, Improta R, Polo F, Maran F
Proc Electrochem Soc, 2004; 10: 29-32.
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* Nucleophilic Cyclopropane Ring Opening in Duocarmycin SA Derivatives by Methanol under Acid Conditions: A Quantum Mechanical Study in the Gas-Phase and in Solution (78 visite)
Cimino P, Improta R, Bifulco G, Riccio R, Gomez-paloma L, Barone V
J Org Chem (ISSN: 0022-3263), 2004; 69(8): 2816-2824.
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* Time dependent DFT investigation on the two lowest 1B u states of the trans isomer of stilbene and stiff-stilbenes (76 visite)
Improta R, Santoro F, Dietl C, Papastathopoulos E, Gerber G
Chemical Physics Letters (ISSN: 0009-2614), 2004; 387(4-6): 509-516.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* An integrated structural and computational study of the thermostability of two thioredoxin mutants from Alicyclobacillus acidocaldarius (81 visite)
Bartolucci S, De Simone G, Galdiero S, Improta R, Menchise V, Pedone C, Pedone E, Saviano M
J Bacteriol Journal Of Bacteriology (ISSN: 0021-9193, 1098-5530), 2003 Jul; 185(14): 4285-4289.
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* Absolute pKa determination for carboxylic acids using density functional theory and the polarizable continuum model (99 visite)
Saracino GA, Improta R, Scalmani G, Barone V
Chemical Physics Letters (ISSN: 0009-2614), 2003; 373(3-4): 411-415.
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* Conformational behavior and magnetic properties of a nitroxide amino acid derivative in vacuo and in aqueous solution (69 visite)
D'Amore M, Improta R, Barone V
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic), 2003; 107(32): 6264-6269.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Conformational and spectroscopic analysis of the tyrosyl radical dipeptide analogue in the gas phase and in aqueous solution by a density functional/continuum solvent model (62 visite)
Langella E, Improta R, Barone V
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2002 Sep 25; 124(38): 11531-11540.
Dettagli    Esporta in BibTeX    Esporta in EndNote

* Understanding the role of stereoelectronic effects in determining collagen stability. 2. A quantum mechanical/molecular mechanical study of (Proline-Proline-Glycine)n polypeptides (68 visite)
Improta R, Mele F, Crescenzi O, Benzi C, Barone V
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2002 Jul 3; 124(26): 7857-7865.
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* Conformational analysis of the tyrosine dipeptide analogue in the gas phase and in aqueous solution by a density functional/continuum solvent model (74 visite)
Langella E, Rega N, Improta R, Crescenzi O, Barone V
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic), 2002 Apr 30; 23(6): 650-661.
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* Quantum mechanical study of the conformational behavior of proline and 4R-hydroxyproline dipeptide analogues in vacuum and in aqueous solution (63 visite)
Benzi C, Improta R, Scalmani G, Barone V
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic), 2002 Feb; 23(3): 341-350.
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* Structure and magnetic properties of nitroxide molecular crystals by density functional calculations employing periodic boundary conditions (58 visite)
Improta R, Kudin KN, Scuseria GE, Barone V
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2002 Jan 9; 124(1): 113-120.
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* Solvent polarity and pH effects on the magnetic properties of ionizable nitroxide radicals: A combined computational and experimental study of 2, 2, 5, 5-tetramethyl-3-carboxypyrrolidine and 2, 2, 6, 6-tetramethyl-4-carboxypiperidine nitroxides (68 visite)
Saracino GAA, Tedeschi A, D'Errico G, Improta R, Franco L, Ruzzi M, Corvaia C, Barone V
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic), 2002; 106(44): 10700-10706.
Dettagli    Esporta in BibTeX    Esporta in EndNote