Roberto Improta (R Improta)

ResearcherID ORCID

Publication Activity (10 Years)

Years Active: 2017-2024
Publications (10 Years): 54

Top Topics

Molecular Dynamics Simulations

Helicobacter Pylori

Circulating Tumor

Energy Transfer

Top Venues

Journal of the American Chemical Society

The journal of physical chemistry letters

Chemistry (Weinheim an der Bergstrasse, Germany)

Molecules (Basel, Switzerland)

This page only lists publications with an associated author ORCID identifier.

Publications

Liat Katrivas, Anna Makarovsky, Benjamin Kempinski, Antonio Randazzo, Roberto Improta, Dvir Rotem, Danny Porath, Alexander B Kotlyar
Ag + -Mediated Folding of Long Polyguanine Strands to Double and Quadruple Helixes. Nanomaterials (Basel, Switzerland) 14 (8) (2024)
Lara Martínez Fernández, James Alexander Green, Luciana Esposito, Martha Yaghoubi Jouybari, Yuyuan Zhang, Fabrizio Santoro, Bern Kohler, Roberto Improta
The photoactivated dynamics of dGpdC and dCpdG sequences in DNA: a comprehensive quantum mechanical study. Chemical science 15 (25) (2024)
Paloma Lizondo-Aranda, Thomas Gustavsson, Lara Martínez Fernández, Roberto Improta, Virginie Lhiaubet-Vallet
The Excited State Dynamics of a Mutagenic Guanosine Etheno Adduct Investigated by Femtosecond Fluorescence Spectroscopy and Quantum Mechanical Calculations. Chemistry (Weinheim an der Bergstrasse, Germany) 30 (49) (2024)
Lara Martínez Fernández, James Alexander Green, Luciana Esposito, Martha Yaghoubi Jouybari, Yuyuan Zhang, Fabrizio Santoro, Bern Kohler, Roberto Improta
The photoactivated dynamics of dGpdC and dCpdG sequences in DNA: a comprehensive quantum mechanical study. Chemical science 15 (25) (2024)
Xueli Wang, Lara Martínez Fernández, Yuyuan Zhang, Peicong Wu, Bern Kohler, Roberto Improta, Jinquan Chen
Ultrafast Formation of a Delocalized Triplet-Excited State in an Epigenetically Modified DNA Duplex under Direct UV Excitation. Journal of the American Chemical Society 146 (3) (2024)
Xueli Wang, Lara Martínez Fernández, Yuyuan Zhang, Peicong Wu, Bern Kohler, Roberto Improta, Jinquan Chen
Ultrafast Formation of a Delocalized Triplet-Excited State in an Epigenetically Modified DNA Duplex under Direct UV Excitation. Journal of the American Chemical Society 146 (3) (2024)
Xueli Wang, Lara Martínez Fernández, Yuyuan Zhang, Peicong Wu, Bern Kohler, Roberto Improta, Jinquan Chen
Ultrafast Formation of a Delocalized Triplet-Excited State in an Epigenetically Modified DNA Duplex under Direct UV Excitation. Journal of the American Chemical Society 146 (3) (2024)
Liat Katrivas, Anna Makarovsky, Benjamin Kempinski, Antonio Randazzo, Roberto Improta, Dvir Rotem, Danny Porath, Alexander B Kotlyar
Ag + -Mediated Folding of Long Polyguanine Strands to Double and Quadruple Helixes. Nanomaterials (Basel, Switzerland) 14 (8) (2024)
Xueli Wang, Lara Martínez Fernández, Yuyuan Zhang, Peicong Wu, Bern Kohler, Roberto Improta, Jinquan Chen
Ultrafast Formation of a Delocalized Triplet-Excited State in an Epigenetically Modified DNA Duplex under Direct UV Excitation. Journal of the American Chemical Society 146 (3) (2024)
Xueli Wang, Lara Martínez Fernández, Yuyuan Zhang, Peicong Wu, Bern Kohler, Roberto Improta, Jinquan Chen
Ultrafast Formation of a Delocalized Triplet-Excited State in an Epigenetically Modified DNA Duplex under Direct UV Excitation. Journal of the American Chemical Society (2024)
Liat Katrivas, Anna Makarovsky, Benjamin Kempinski, Antonio Randazzo, Roberto Improta, Dvir Rotem, Danny Porath, Alexander B Kotlyar
Ag + -Mediated Folding of Long Polyguanine Strands to Double and Quadruple Helixes. Nanomaterials (Basel, Switzerland) 14 (8) (2024)
Paloma Lizondo-Aranda, Thomas Gustavsson, Lara Martínez Fernández, Roberto Improta, Virginie Lhiaubet-Vallet
The Excited State Dynamics of a Mutagenic Guanosine Etheno Adduct Investigated by Femtosecond Fluorescence Spectroscopy and Quantum Mechanical Calculations. Chemistry (Weinheim an der Bergstrasse, Germany) (2024)
Roberto Improta
Shedding Light on the Photophysics and Photochemistry of I-Motifs Using Quantum Mechanical Calculations. International journal of molecular sciences 24 (16) (2023)
Qiushuang Xu, Yanli Liu, Mei-Shan Wang, Javier Cerezo, Roberto Improta, Fabrizio Santoro
The Resonance Raman Spectrum of Cytosine in Water: Analysis of the Effect of Specific Solute-Solvent Interactions and Non-Adiabatic Couplings. Molecules (Basel, Switzerland) 28 (5) (2023)
Qiushuang Xu, Yanli Liu, Mei-Shan Wang, Javier Cerezo, Roberto Improta, Fabrizio Santoro
The Resonance Raman Spectrum of Cytosine in Water: Analysis of the Effect of Specific Solute-Solvent Interactions and Non-Adiabatic Couplings. Molecules (Basel, Switzerland) 28 (5) (2023)
Lara Martinez-Fernandez, Roberto Improta
The photophysics of protonated cytidine and hemiprotonated cytidine base pair: A computational study. Photochemistry and photobiology (2023)
Qiushuang Xu, Yanli Liu, Mei-Shan Wang, Javier Cerezo, Roberto Improta, Fabrizio Santoro
The Resonance Raman Spectrum of Cytosine in Water: Analysis of the Effect of Specific Solute-Solvent Interactions and Non-Adiabatic Couplings. Molecules (Basel, Switzerland) 28 (5) (2023)
Haritha Asha, James A Green, Luciana Esposito, Lara Martínez Fernández, Fabrizio Santoro, Roberto Improta
Effect of the Thermal Fluctuations of the Photophysics of GC and CG DNA Steps: A Computational Dynamical Study. The journal of physical chemistry. B 126 (50) (2022)
James A Green, Sandra Gómez, Graham A Worth, Fabrizio Santoro, Roberto Improta
Solvent Effects on Ultrafast Charge Transfer Population: Insights from the Quantum Dynamics of Guanine-Cytosine in Chloroform. Chemistry (Weinheim an der Bergstrasse, Germany) 28 (57) (2022)
Stefano Ciaco, Krishna Gavvala, Vanille Greiner, Viola Mazzoleni, Pascal Didier, Marc Ruff, Lara Martínez Fernández, Roberto Improta, Yves Mely
Thienoguanosine brightness in DNA duplexes is governed by the localization of its ππ * excitation in the lowest energy absorption band. Methods and applications in fluorescence 10 (3) (2022)
Haritha Asha, James A Green, Luciana Esposito, Lara Martínez Fernández, Fabrizio Santoro, Roberto Improta
Effect of the Thermal Fluctuations of the Photophysics of GC and CG DNA Steps: A Computational Dynamical Study. The journal of physical chemistry. B 126 (50) (2022)
Haritha Asha, James A Green, Luciana Esposito, Lara Martínez Fernández, Fabrizio Santoro, Roberto Improta
Effect of the Thermal Fluctuations of the Photophysics of GC and CG DNA Steps: A Computational Dynamical Study. The journal of physical chemistry. B (2022)
Lara Martínez Fernández, Fabrizio Santoro, Roberto Improta
Nucleic Acids as a Playground for the Computational Study of the Photophysics and Photochemistry of Multichromophore Assemblies. Accounts of chemical research 55 (15) (2022)
James A Green, Sandra Gómez, Graham A Worth, Fabrizio Santoro, Roberto Improta
Solvent Effects on Ultrafast Charge Transfer Population: Insights from the Quantum Dynamics of Guanine-Cytosine in Chloroform. Chemistry (Weinheim an der Bergstrasse, Germany) 28 (57) (2022)
Haritha Asha, James A Green, Luciana Esposito, Lara Martínez Fernández, Fabrizio Santoro, Roberto Improta
Effect of the Thermal Fluctuations of the Photophysics of GC and CG DNA Steps: A Computational Dynamical Study. The journal of physical chemistry. B 126 (50) (2022)
Qiushuang Xu, Daniel Aranda Ruiz, Martha Yaghoubi Jouybari, Yanli Liu, Mei-Shan Wang, Javier Cerezo, Roberto Improta, Fabrizio Santoro
Nonadiabatic Vibrational Resonance Raman Spectra from Quantum Dynamics Propagations with LVC Models. Application to Thymine. The journal of physical chemistry. A 126 (41) (2022)
Daniil A Fedotov, Alexander C Paul, Eirik F Kjønstad, Fabrizio Santoro, Sonia Coriani, Roberto Improta
Excited state absorption of DNA bases in the gas phase and in chloroform solution: a comparative quantum mechanical study. Physical chemistry chemical physics : PCCP 24 (8) (2022)
Daniil A Fedotov, Alexander C Paul, Paolo Posocco, Fabrizio Santoro, Marco Garavelli, Eirik F Kjønstad, Sonia Coriani, Roberto Improta
Excited-State Absorption of Uracil in the Gas Phase: Mapping the Main Decay Paths by Different Electronic Structure Methods. Journal of chemical theory and computation 17 (3) (2021)
James A Green, Martha Yaghoubi Jouybari, Haritha Asha, Fabrizio Santoro, Roberto Improta
Fragment Diabatization Linear Vibronic Coupling Model for Quantum Dynamics of Multichromophoric Systems: Population of the Charge-Transfer State in the Photoexcited Guanine-Cytosine Pair. Journal of chemical theory and computation 17 (8) (2021)
Fabrizio Santoro, James A Green, Lara Martínez Fernández, Javier Cerezo, Roberto Improta
Quantum and semiclassical dynamical studies of nonadiabatic processes in solution: achievements and perspectives. Physical chemistry chemical physics : PCCP 23 (14) (2021)
Frederico A Baptista, Dorottya Krizsan, Mark Stitch, Igor V Sazanovich, Ian P Clark, Michael Towrie, Conor Long, Lara Martínez Fernández, Roberto Improta, Noel A P Kane-Maguire, John M Kelly, Susan J Quinn
Adenine Radical Cation Formation by a Ligand-Centered Excited State of an Intercalated Chromium Polypyridyl Complex Leads to Enhanced DNA Photo-oxidation. Journal of the American Chemical Society 143 (36) (2021)
Haritha Asha, James A Green, Lara Martínez Fernández, Luciana Esposito, Roberto Improta
Electronic Circular Dichroism Spectra of DNA Quadruple Helices Studied by Molecular Dynamics Simulations and Excitonic Calculations including Charge Transfer States. Molecules (Basel, Switzerland) 26 (16) (2021)
Paloma Lizondo-Aranda, Lara Martínez Fernández, Miguel A Miranda, Roberto Improta, Thomas Gustavsson, Virginie Lhiaubet-Vallet
The Excited State Dynamics of a Mutagenic Cytidine Etheno Adduct Investigated by Combining Time-Resolved Spectroscopy and Quantum Mechanical Calculations. The journal of physical chemistry letters 13 (1) (2021)
Martha Yaghoubi Jouybari, James A Green, Roberto Improta, Fabrizio Santoro
The Ultrafast Quantum Dynamics of Photoexcited Adenine-Thymine Basepair Investigated with a Fragment-based Diabatization and a Linear Vibronic Coupling Model. The journal of physical chemistry. A 125 (40) (2021)
James A Green, Martha Yaghoubi Jouybari, Daniel Aranda Ruiz, Roberto Improta, Fabrizio Santoro
Nonadiabatic Absorption Spectra and Ultrafast Dynamics of DNA and RNA Photoexcited Nucleobases. Molecules (Basel, Switzerland) 26 (6) (2021)
Evangelos Balanikas, Lara Martínez Fernández, Roberto Improta, Peter Podbevsek, Gérard Baldacchino, Dimitra Markovitsi
The Structural Duality of Nucleobases in Guanine Quadruplexes Controls Their Low-Energy Photoionization. The journal of physical chemistry letters 12 (34) (2021)
Behnaz Behmand, Evangelos Balanikas, Lara Martínez Fernández, Roberto Improta, Akos Banyasz, Gérard Baldacchino, Dimitra Markovitsi
Potassium Ions Enhance Guanine Radical Generation upon Absorption of Low-Energy Photons by G-Quadruplexes and Modify Their Reactivity. The journal of physical chemistry letters 11 (4) (2020)
Behnaz Behmand, Evangelos Balanikas, Lara Martínez Fernández, Roberto Improta, Akos Banyasz, Gérard Baldacchino, Dimitra Markovitsi
Correction to "Potassium Ions Enhance Guanine Radical Generation upon Absorption of Low-Energy Photons by G-Quadruplexes and Modify Their Reactivity". The journal of physical chemistry letters 11 (7) (2020)
James A Green, Roberto Improta
Vibrations of the guanine-cytosine pair in chloroform: an anharmonic computational study. Physical chemistry chemical physics : PCCP 22 (10) (2020)
Jagannath Kuchlyan, Lara Martinez-Fernandez, Mattia Mori, Krishna Gavvala, Stefano Ciaco, Christian Boudier, Ludovic Richert, Pascal Didier, Yitzhak Tor, Roberto Improta, Yves Mely
What Makes Thienoguanosine an Outstanding Fluorescent DNA Probe? Journal of the American Chemical Society 142 (40) (2020)
Martha Yaghoubi Jouybari, Yanli Liu, Roberto Improta, Fabrizio Santoro
Ultrafast Dynamics of the Two Lowest Bright Excited States of Cytosine and 1-Methylcytosine: A Quantum Dynamical Study. Journal of chemical theory and computation 16 (9) (2020)
James A Green, Haritha Asha, Fabrizio Santoro, Roberto Improta
Excitonic Model for Strongly Coupled Multichromophoric Systems: The Electronic Circular Dichroism Spectra of Guanine Quadruplexes as Test Cases. Journal of chemical theory and computation 17 (1) (2020)
Akos Banyasz, Evangelos Balanikas, Lara Martinez-Fernandez, Gérard Baldacchino, Thierry Douki, Roberto Improta, Dimitra Markovitsi
Radicals Generated in Tetramolecular Guanine Quadruplexes by Photoionization: Spectral and Dynamical Features. The journal of physical chemistry. B 123 (23) (2019)
Lara Martínez Fernández, Pascale Changenet, Akos Banyasz, Thomas Gustavsson, Dimitra Markovitsi, Roberto Improta
Comprehensive Study of Guanine Excited State Relaxation and Photoreactivity in G-quadruplexes. The journal of physical chemistry letters 10 (21) (2019)
Marco Schmid, Lara Martinez-Fernandez, Dimitra Markovitsi, Fabrizio Santoro, François Hache, Roberto Improta, Pascale Changenet
Unveiling Excited-State Chirality of Binaphthols by Femtosecond Circular Dichroism and Quantum Chemical Calculations. The journal of physical chemistry letters 10 (14) (2019)
Lara Martinez-Fernandez, Krishna Gavvala, Rajhans Sharma, Pascal Didier, Ludovic Richert, Javier Segarra Martì, Mattia Mori, Yves Mely, Roberto Improta
Excited-State Dynamics of Thienoguanosine, an Isomorphic Highly Fluorescent Analogue of Guanosine. Chemistry (Weinheim an der Bergstrasse, Germany) 25 (30) (2019)
Lara Martínez-Fernández, Akos Banyasz, Dimitra Markovitsi, Roberto Improta
Topology Controls the Electronic Absorption and Delocalization of Electron Holes in Guanine Quadruplexes. Chemistry (Weinheim an der Bergstrasse, Germany) 24 (57) (2018)
Lara Martínez Fernández, Roberto Improta
Sequence dependence on DNA photochemistry: a computational study of photodimerization pathways in TpdC and dCpT dinucleotides. Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 17 (5) (2018)
Javier Cerezo, Yanli Liu, Na Lin, Xian Zhao, Roberto Improta, Fabrizio Santoro
Mixed Quantum/Classical Method for Nonadiabatic Quantum Dynamics in Explicit Solvent Models: The ππ*/nπ* Decay of Thymine in Water as a Test Case. Journal of chemical theory and computation 14 (2) (2018)
Akos Banyasz, Lara Martínez-Fernández, Clémence Balty, Marion Perron, Thierry Douki, Roberto Improta, Dimitra Markovitsi
Absorption of Low-Energy UV Radiation by Human Telomere G-Quadruplexes Generates Long-Lived Guanine Radical Cations. Journal of the American Chemical Society 139 (30) (2017)
L Martínez-Fernández, A J Pepino, J Segarra-Martí, J Jovaišaitė, I Vaya, A Nenov, D Markovitsi, T Gustavsson, A Banyasz, Marco Garavelli, Roberto Improta
Photophysics of Deoxycytidine and 5-Methyldeoxycytidine in Solution: A Comprehensive Picture by Quantum Mechanical Calculations and Femtosecond Fluorescence Spectroscopy. Journal of the American Chemical Society 139 (23) (2017)
Irene Conti, Lara Martínez-Fernández, Luciana Esposito, Siegfried Hofinger, Artur Nenov, Marco Garavelli, Roberto Improta
Multiple Electronic and Structural Factors Control Cyclobutane Pyrimidine Dimer and 6-4 Thymine-Thymine Photodimerization in a DNA Duplex. Chemistry (Weinheim an der Bergstrasse, Germany) 23 (60) (2017)
Marco Deiana, Bastien Mettra, Lara Martinez-Fernandez, Leszek M Mazur, Krzysztof Pawlik, Chantal Andraud, Marek Samoc, Roberto Improta, Cyrille Monnereau, Katarzyna Matczyszyn
Specific Recognition of G-Quadruplexes Over Duplex-DNA by a Macromolecular NIR Two-Photon Fluorescent Probe. The journal of physical chemistry letters 8 (23) (2017)
Ana Julieta Pepino, Javier Segarra-Marti, Artur Nenov, Roberto Improta, Marco Garavelli
Resolving Ultrafast Photoinduced Deactivations in Water-Solvated Pyrimidine Nucleosides. The journal of physical chemistry letters 8 (8) (2017)