Photoactivated proton coupled electron transfer in DNA: Insights from quantum mechanical calculations (718 views)
Faraday Discuss (ISSN: 1359-6640, 1359-6640print), 2018; 207: 199-216.
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Paper type: Journal Article,
Impact factor: 3.427, 5-year impact factor: 4.193
Url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85045514543&doi=10.1039%2fc7fd00195a&partnerID=40&md5=ff74ea06a0a9c0a2822725cdf70744f1
Keywords: Not available.
Affiliations:
*** IBB - CNR ***
Consiglio Nazionale Delle Ricerche, Istituto di Biostrutture e Bioimmagini, Naples, 80136, Italy
LIDYL, CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette, F-91191, France
References:
Not available.
Faraday Discuss (ISSN: 1359-6640, 1359-6640print), 2018; 207: 199-216.
Export to BibTeX Export to EndNote
Paper type: Journal Article,
Impact factor: 3.427, 5-year impact factor: 4.193
Url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85045514543&doi=10.1039%2fc7fd00195a&partnerID=40&md5=ff74ea06a0a9c0a2822725cdf70744f1
Keywords: Not available.
Affiliations:
*** IBB - CNR ***
Consiglio Nazionale Delle Ricerche, Istituto di Biostrutture e Bioimmagini, Naples, 80136, Italy
LIDYL, CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette, F-91191, France
References:
Not available.
Photoactivated proton coupled electron transfer in DNA: Insights from quantum mechanical calculations
The energetics of the two main proton coupled electron transfer processes that could occur in DNA are determined by means of time dependent-DFT calculations, using the M052X functional and the polarizable continuum model to include solvent effect. This approach has been applied to fragments of GC and AT alternated duplexes containing up to 4 base pairs. In GC DNA, intra-strand G → C charge transfer (CT) can trigger inter-strand Proton Transfer (PT) involving the C anion, since the reaction is exothermic and the related energy barrier is <0.3 eV. In AT DNA, the minimum resulting from intra-strand A → T CT is not predicted to undergo inter-strand PT. These conclusions are in full agreement with the indication of time-resolved IR spectra. In both systems, inter-strand CT can be coupled to inter-strand PT, and the resulting minimum, reached after overcoming a moderate energy barrier (<0.4 eV), is close to a crossing region with the ground electronic state, providing a relatively fast non-radiative deactivation route. © 2018 The Royal Society of Chemistry.
The energetics of the two main proton coupled electron transfer processes that could occur in DNA are determined by means of time dependent-DFT calculations, using the M052X functional and the polarizable continuum model to include solvent effect. This approach has been applied to fragments of GC and AT alternated duplexes containing up to 4 base pairs. In GC DNA, intra-strand G → C charge transfer (CT) can trigger inter-strand Proton Transfer (PT) involving the C anion, since the reaction is exothermic and the related energy barrier is <0.3 eV. In AT DNA, the minimum resulting from intra-strand A → T CT is not predicted to undergo inter-strand PT. These conclusions are in full agreement with the indication of time-resolved IR spectra. In both systems, inter-strand CT can be coupled to inter-strand PT, and the resulting minimum, reached after overcoming a moderate energy barrier (<0.4 eV), is close to a crossing region with the ground electronic state, providing a relatively fast non-radiative deactivation route. © 2018 The Royal Society of Chemistry.
Photoactivated proton coupled electron transfer in DNA: Insights from quantum mechanical calculations
Photoactivated proton coupled electron transfer in DNA: Insights from quantum mechanical calculations
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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 (539 views)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic, 0192-8651linking), 2008 Apr 30; 29(6): 957-964.
Impact Factor: 3.39
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Santoro F, Barone V, Benzi C, Improta R
* Excited state properties of sizable molecules in solution: From structure to reactivity (635 views)
Theor Chem Acc (ISSN: 1432-881x), 2007 May; 117(5-6): 1073-1084.
Impact Factor: 2.537
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Ronga L, Langella E, Palladino P, Marasco D, Tizzano B, Saviano M, Pedone C, Improta R, Ruvo M
* 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 (881 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2007 Feb 15; 66(3): 707-715.
Impact Factor: 3.354
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Improta R, Barone V, Santoro F
* Ab initio calculations of absorption spectra of large molecules in solution: Coumarin C153 (871 views)
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic, 1433-7851linking), 2007; 46(3): 405-408.
Impact Factor: 10.031
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Santoro F, Barone V, Improta R
* Influence of base stacking on excited-state behavior of polyadenine in water, based on time-dependent density functional calculations (1252 views)
P Natl Acad Sci Usa (ISSN: 0027-8424, 1091-6490, 0027-8424print), 2007; 104(24): 9931-9936.
Impact Factor: 9.598
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Pappalardo M, Milardi D, Grasso D, La Rosa C
* Steered molecular dynamics studies reveal different unfolding pathways of prions from mammalian and non-mammalian species (622 views)
New J Chem (ISSN: 1144-0546), 2007; 31(6): 901-905.
Impact Factor: 2.651
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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 (691 views)
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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Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
* Femtosecond study on the isomerization dynamics of NK88. I. Ground-state dynamics after photoexcitation (713 views)
J Chem Phys (ISSN: 0021-9606, 0021-9606print, 0897-690online), 2006 Jul 28; 125(4): 44512-44544.
Impact Factor: 3.247
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Vogt G, Nuernberger P, Gerber G, Improta R, Santoro F, Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
* Femtosecond study on the isomerization dynamics of NK88. II. Excited-state dynamics (567 views)
J Chem Phys (ISSN: 0021-9606, 0897-690online), 2006 Jul 28; 125(4): 44512-44512.
Impact Factor: 3.166
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Langella E, Improta R, Crescenzi O, Barone V
* 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 (1245 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2006 Jul 1; 64(1): 167-177.
Impact Factor: 3.73
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Improta R, Barone V, Newton MD
* A Parameter Free Quantum Mechanical Approach To The Calculation Of Electron Transfer Rates For Large Systems In Solution (589 views)
Chemphyschem (ISSN: 1439-4235, 1439-7641, 1439-7641electronic), 2006 Jun 12; 7(6): 1211-1215.
Impact Factor: 3.449
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Improta R, Barone V, Scalmani G, Frisch MJ
* A State-Specific Pcm Td-Dft Method For Equilibrium And Non-Equilibrium Excited State Calculations In Solution (663 views)
J Chem Phys (ISSN: 0897-690online, 0021-9606printed), 2006; 125(5): 54103-54103.
Impact Factor: 3.093
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Improta R, Barone V
* Absorption and fluorescence spectra of uracil in the gas phase and in aqueous solution: A TD-DFT quantum mechanical study (628 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2004 Nov 10; 126(44): 14320-14321.
Impact Factor: 6.903
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Improta R, Barone V
* Interplay of electronic, environmental, and vibrational effects in determining the hyperfine coupling constants of organic free radicals (508 views)
Chem Rev (ISSN: 0009-2665), 2004 Mar; 104(3): 1231-1253.
Impact Factor: 20.233
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Cimino P, Improta R, Bifulco G, Riccio R, Gomez-paloma L, Barone V
* Nucleophilic Cyclopropane Ring Opening in Duocarmycin SA Derivatives by Methanol under Acid Conditions: A Quantum Mechanical Study in the Gas-Phase and in Solution (1018 views)
J Org Chem (ISSN: 0022-3263, 0022-3263linking), 2004; 69(8): 2816-2824.
Impact Factor: 3.462
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Pappalardo M, Milardi D, Grasso DM, La Rosa C
* Free energy perturbation and molecular dynamics calculations of copper binding to azurin (690 views)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic), 2003 Apr 30; 24(6): 779-785.
Impact Factor: 3.186
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Improta R, Mele F, Crescenzi O, Benzi C, Barone V
* Understanding the role of stereoelectronic effects in determining collagen stability. 2. A quantum mechanical/molecular mechanical study of (Proline-Proline-Glycine)n polypeptides (608 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2002 Jul 3; 124(26): 7857-7865.
Impact Factor: 6.201
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Morelli G, De Luca S, Tesauro D, Saviano M, Pedone C, Dolmella A, Visentin R, Mazzi U
* CCK8 peptide derivatized with diphenylphosphine for rhenium labelling: Synthesis and molecular mechanics calculations (567 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2002 Jul; 8(7): 373-381.
Impact Factor: 1.691
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Clemente F, De Lazzari C, Darowski M, Ferrari G, Mimmo R, Guaragno M, Tosti G
* Study of systolic pressure variation (SPV) in presence of mechanical ventilation (972 views)
Int J Artif Organs (ISSN: 0391-3988, 0391-3988print), 2002 Apr; 25(4): 313-320.
Impact Factor: 1.192
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De Lazzari C, Darowski M, Ferrari G, Clemente F, Guaragno M
* Energetic parameter changes with mechanical ventilation in conjunction with BVAD assistance (828 views)
J Med Eng Technol (ISSN: 0309-1902), 2002 Mar; 26(2): 63-70.
Impact Factor: 0.538
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Benzi C, Improta R, Scalmani G, Barone V
* Quantum mechanical study of the conformational behavior of proline and 4R-hydroxyproline dipeptide analogues in vacuum and in aqueous solution (658 views)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic), 2002 Feb; 23(3): 341-350.
Impact Factor: 2.931
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Improta R, Kudin KN, Scuseria GE, Barone V
* Structure and magnetic properties of nitroxide molecular crystals by density functional calculations employing periodic boundary conditions (582 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2002 Jan 9; 124(1): 113-120.
Impact Factor: 6.201
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Saracino GAA, Tedeschi A, D'Errico G, Improta R, Franco L, Ruzzi M, Corvaia C, Barone V
* 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 (743 views)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic, 1089-5639linking), 2002; 106(44): 10700-10706.
Impact Factor: 2.765
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Maccarrone G, Nardin G, Randaccio L, Tabbì G, Rosi M, Sgamellotti A, Rizzarelli E, Zangrando E
Structure Of Copper(ii) Complexes With L-Leucyl-D-Phenylalanine Or L-Leucyl-L-Phenylalanine And Lcao-Scf-Mo Calculations On The Stabilization Of Copper(ii) Complexes Due To D-π Interaction With Aromatic Ring (527 views)
Dalton Trans, 1996; N/D: 3449-3453.
Impact Factor: 0
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* A Combined in Silico and Structural Study Opens New Perspectives on Aliphatic Sulfonamides, a Still Poorly Investigated Class of CA Inhibitors (295 views)
Biology (ISSN: 2079-7737linking), 2023 Feb 10; 12 (2 ): N/D-N/D.
Impact Factor:
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Di Fiore A, De Luca V, Langella E, Nocentini A, Buonanno M, Monti SM, Supuran CT, Capasso C, De Simone G
* Biochemical, structural, and computational studies of a γ-carbonic anhydrase from the pathogenic bacterium Burkholderia pseudomallei (237 views)
Comput Struct Biotechnol J (ISSN: 2001-0370linking), 2022 Jul 27; 20: 4185-4194.
Impact Factor: 6.155
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Ciaco S, Gavvala K, Greiner V, Mazzoleni V, Didier P, Ruff M, Martinez-fernandez L, Improta R, Mély Y
* Thienoguanosine brightness in DNA duplexes is governed by the localization of itsππ* excitation in the lowest energy absorption band (438 views)
Methods Appl Fluoresc (ISSN: 2050-6120linking), 2022 May 5; 10(3): N/D-N/D.
Impact Factor: 2.79
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Fedotov DA, Paul AC, Koch H, Santoro F, Coriani S, Improta R
* Excited state absorption of DNA bases in the gas phase and in chloroform solution: a comparative quantum mechanical study (237 views)
Phys Chem Chem Phys (ISSN: 1463-9076linking, 1463-9084electronic), 2022 Feb 23; 24(8): 4987-5000.
Impact Factor: 3.676
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Lizondo-aranda P, Martínez-fernández L, Miranda MA, Improta R, Gustavsson T, Lhiaubet-vallet V
* The Excited State Dynamics of a Mutagenic Cytidine Etheno Adduct Investigated by Combining Time-Resolved Spectroscopy and Quantum Mechanical Calculations (284 views)
J Phys Chem Lett (ISSN: 1948-7185linking, 1948-7185electronic), 2022 Jan 13; 13(1): 251-257.
Impact Factor: 6.475
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Diaferia C, Rosa E, Balasco N, Sibillano T, Morelli G, Giannini C, Vitagliano L, Accardo A
* The introduction of a cysteine residue modulates the mechanical properties of aromatic-based solid aggregates and self-supporting hydrogels (197 views)
Chemistry (ISSN: 0947-6539linking, 1521-3765electronic), 2021 Oct 25; 27(60): 14886-14898.
Impact Factor: 5.236
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Asha H, Green JA, Martinez-fernandez L, Esposito L, Improta R
* Electronic Circular Dichroism Spectra of DNA Quadruple Helices Studied by Molecular Dynamics Simulations and Excitonic Calculations including Charge Transfer States (382 views)
Molecules (ISSN: 1420-3049linking, 1420-3049electronic), 2021 Aug 7; 26(16): N/D-N/D.
Impact Factor: 4.411
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Martínez-fernández L, Esposito L, Improta R
* Studying the excited electronic states of guanine rich DNA quadruplexes by quantum mechanical methods: main achievements and perspectives (536 views)
Photochem Photobiol Sci (ISSN: 1474-905xlinking), 2020 Apr 15; 19(4): 436-444.
Impact Factor: 2.831
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Martinez-fernandez L, Gustavsson T, Diederichsen U, Improta R
* Excited State Dynamics of 8-Vinyldeoxyguanosine In Aqueous Solution Studied by Time-Resolved Fluorescence Spectroscopy and Quantum Mechanical Calculations (293 views)
Molecules (ISSN: 1420-3049linking, 1420-3049electronic), 2020 Feb 13; 25(4): N/D-N/D.
Impact Factor: 3.267
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Gimmelli R, Persico M, Imperatore C, Saccoccia F, Guidi A, Casertano M, Luciano P, Pietrantoni A, Bertuccini L, Paladino A, Papoff G, Menna M, Fattorusso C, Ruberti G
* Thiazinoquinones as New Promising Multistage Schistosomicidal Compounds Impacting Schistosoma mansoni and Egg Viability (278 views)
Acs Infect Dis (ISSN: 2373-8227linking), 2020 Jan 10; 6 (1 ): 124-137.
Impact Factor:
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Langella E, Alterio V, D'Ambrosio K, Cadoni R, Winum JY, Supuran CT, Monti SM, De Simone G, Di Fiore A
* Exploring benzoxaborole derivatives as carbonic anhydrase inhibitors: a structural and computational analysis reveals their conformational variability as a tool to increase enzyme selectivity (513 views)
J Enzym Inhib Med Ch (ISSN: 1475-6366linking, 1475-6374electronic), 2019 Dec; 34(1): 1498-1505.
Impact Factor: 4.027
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Schmid M, Martinez-fernandez L, Markovitsi D, Santoro F, Hache F, Improta R, Changenet P
* Unveiling Excited-State Chirality of Binaphthols by Femtosecond Circular Dichroism and Quantum Chemical Calculations (818 views)
J Phys Chem Lett (ISSN: 1948-7185linking, 1948-7185electronic), 2019 Jul 18; 10(14): 4089-4094.
Impact Factor: 6.687
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Martinez-fernandez L, Gavvala K, Sharma R, Didier P, Richert L, Segarra Marti J, Mori M, Mely Y, Improta R
* Excited-State Dynamics of Thienoguanosine, an Isomorphic Highly Fluorescent Analogue of Guanosine (445 views)
Chemistry (ISSN: 0947-6539linking, 1521-3765electronic), 2019 May 28; 25(30): 7375-7386.
Impact Factor: 5.16
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Imperatore C, Persico M, Senese M, Aiello A, Casertano M, Luciano P, Basilico N, Parapini S, Paladino A, Fattorusso C, Menna M
Exploring the antimalarial potential of the methoxy-thiazinoquinone scaffold: Identification of a new lead candidate (204 views)
Bioorg Chem (ISSN: 0045-2068linking), 2019 Apr; 85: 240-252.
Impact Factor:
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Galli M, Vicidomini C, Rozin Kleiner AF, Vacca L, Cimolin V, Condoluci C, Stocchi F, De Pandis MF
* Peripheral neurostimulation breaks the shuffling steps patterns in Parkinsonian gait: a double blind randomized longitudinal study with Automated Mechanical Peripheral Stimulation (608 views)
Eur J Phys Rehabil Med (ISSN: 1973-9087linking), 2018 Dec; 54(6): 860-865.
Impact Factor: 1.827
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De Simone G, Langella E, Esposito D, Supuran CT, Monti SM, Winum JY, Alterio V
* Insights into the binding mode of sulphamates and sulphamides to hCA II: crystallographic studies and binding free energy calculations (469 views)
J Enzym Inhib Med Ch (ISSN: 1475-6366, 1475-6374electronic, 1475-6366linking), 2017 Dec; 32(1): 1002-1011.
Impact Factor: 3.638
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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 (1510 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2017 Oct 26; 23(60): 15177-15188.
Impact Factor: 5.16
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Martinez-fernandez L, Fahleson T, Norman P, Santoro F, Coriani S, Improta R
* Optical absorption and magnetic circular dichroism spectra of thiouracils: a quantum mechanical study in solution (1318 views)
Photoch Photobio Sci (ISSN: 1474-905x), 2017 Sep 13; 16(9): 1415-1423.
Impact Factor: 2.902
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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 (784 views)
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 (600 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 0002-7863print), 2017 Jun 14; 139(23): 7780-7791.
Impact Factor: 14.357
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Esposito R, Calvanese L, Cucciolito ME, D'Auria G, Falcigno L, Fiorini V, Pezzella P, Roviello G, Stagni S, Talarico G, Ruffo F
* Oxidative coupling of imino, amide platinum(II) complexes yields highly conjugated blue dimers (484 views)
Organometallics (ISSN: 0276-7333), 2017; 36(2): 384-390.
Impact Factor: 4.051
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Sholokh M, Improta R, Mori M, Sharma R, Kenfack C, Shin D, Voltz K, Stote RH, Zaporozhets OA, Botta M, Tor Y, Mely Y
* Tautomers of a Fluorescent G Surrogate and Their Distinct Photophysics Provide Additional Information Channels (747 views)
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic, 1433-7851linking), 2016 Jun 8; N/D: N/D-N/D.
Impact Factor: 11.994
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Gramanzini M, Gargiulo S, Zarone F, Megna R, Apicella A, Aversa R, Salvatore M, Mancini M, Sorrentino R, Brunetti A
* Combined microcomputed tomography, biomechanical and histomorphometric analysis of the peri-implant bone: a pilot study in minipig model (657 views) (PDF 129 views)
Dent Mater (ISSN: 0109-5641, 0109-5641linking), 2016 Jun; 32(6): 794-806.
Impact Factor: 4.07
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Stendardo E, Ferrer F, Santoro F, Improta R
* The absorption and emission spectra in solution of oligothiophene-based push–pull biomarkers: a PCM/TD-DFT vibronic study (413 views)
Theoretical Chemistry Accounts, 2016 Jun; 135: 1-17.
Impact Factor: 1.806
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Langella E, D'Ambrosio K, D'Ascenzio M, Carradori S, Monti SM, Supuran CT, De Simone G
* A Combined Crystallographic and Theoretical Study Explains the Capability of Carboxylic Acids to Adopt Multiple Binding Modes in the Active Site of Carbonic Anhydrases (588 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2016 Jan 4; 22(1): 97-100.
Impact Factor: 5.317
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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 (739 views)
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 (1989 views)
Chem Rev (ISSN: 0009-2665), 2016; 116(6): 3540-3593.
Impact Factor: 47.928
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Zhang Y, de La Harpe K, Beckstead AA, Improta R, Kohler B
* UV-Induced Proton Transfer between DNA Strands (819 views) (PDF 297 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 0002-7863print), 2015 Jun 10; 137(22): 7059-7062.
Impact Factor: 13.038
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Huix-Rotllant M, Brazard J, Improta R, Burghardt I, Markovitsi D
* Stabilization of mixed frenkel-charge transfer excitons extended across both strands of guanine-cytosine DNA duplexes (828 views)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2015; 6(12): 2247-2251.
Impact Factor: 8.539
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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 (1204 views)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic, 1089-5639linking), 2015; 119(23): 6131-6139.
Impact Factor: 2.883
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Monti S, Palma G, Ragucci M, Mannelli L, Mancini M, Prinster A
* Optimization of tagged MRI for quantification of liver stiffness using computer simulated data (2606 views) (PDF 271 views)
Plosone (ISSN: 1932-6203, 1932-6203electronic, 1932-6203linking), 2014 Oct 31; 9(10): e111852-e111852.
Impact Factor: 3.234
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Improta R, Ferrer FJ, Stendardo E, Santoro F
* Quantum-classical calculation of the absorption and emission spectral shapes of oligothiophenes at low and room temperature by first-principle calculations (519 views)
Chemphyschem (ISSN: 1439-4235, 1439-7641, 1439-4235linking), 2014 Oct 20; 15(15): 3320-3333.
Impact Factor: 3.419
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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 (794 views)
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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Avila Ferrer FJ, Cerezo J, Soto J, Improta R, Santoro F
* First-principle computation of absorption and fluorescence spectra in solution accounting for vibronic structure, temperature effects and solvent inhomogenous broadening (1207 views)
Comput Theor Chem (ISSN: 2210-271x), 2014 Jul 15; 1040-1041: 328-337.
Impact Factor: 1.545
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Improta R
* Quantum mechanical calculations unveil the structure and properties of the absorbing and emitting excited electronic states of guanine quadruplex (1085 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2014 Jun 23; 20(26): 8106-8115.
Impact Factor: 5.731
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Santoro F, Improta R, Fahleson T, Kauczor J, Norman P, Coriani S
* Relative stability of the La and Lb excited states in adenine and guanine: Direct evidence from TD-DFT calculations of MCD spectra (692 views)
J Phys Chem Lett (ISSN: 1948-7185, 1948-7185electronic, 1948-7185linking), 2014 Jun 5; 5(11): 1806-1811.
Impact Factor: 7.458
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Improta R, Vitagliano L, Esposito L
* Correction: Peptide bond distortions from planarity: New insights from quantum mechanical calculations and peptide/protein crystal structures (PLoS ONE) (618 views)
Plosone (ISSN: 1932-6203, 1932-6203electronic, 1932-6203linking), 2014; 9(1): N/D-N/D.
Impact Factor: 3.234
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Hunger K, Buschhaus L, Biemann L, Braun M, Kovalenko S, Improta R, Kleinermanns K
* UV-light-induced hydrogen transfer in guanosine-guanosine aggregates (816 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2013 Apr; 19(17): 5425-5431.
Impact Factor: 5.696
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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 (829 views)
Chemistry (ISSN: 0947-6539, 1521-3765, 1521-3765electronic), 2013 Mar; 19(11): 3762-3774.
Impact Factor: 5.696
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Improta R
* Photophysics and photochemistry of thymine deoxy-dinucleotide in water: A PCM/TD-DFT quantum mechanical study (611 views)
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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Caruso P, Causà M, Cimino P, Crescenzi O, D'Amore M, Improta R, Pavone M, Rega N
* Effects of molecular dynamics and solvation on the electronic structure of molecular probes (864 views)
Theor Chem Acc (ISSN: 1432-881x), 2012 Apr; 131(4): 1211-1212.
Impact Factor: 2.233
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Stendardo E, Avila FJA, Santoro F, Improta R
* Vibrationally resolved absorption and emission spectra of dithiophene in the gas phase and in solution by first-principle quantum mechanical calculations (1198 views)
J Chem Theory Comput (ISSN: 1549-9618, 1549-9626electronic, 1549-9618linking), 2012; 8(11): 4483-4493.
Impact Factor: 5.389
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Improta R, Barone V
* Interplay between "neutral" and "charge-transfer" excimers rules the excited state decay in adenine-rich polynucleotides (1050 views)
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic, 1433-7851linking), 2011 Dec 9; 50(50): 12016-12019.
Impact Factor: 13.455
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Kállay C, Dávid A, Timári S, Nagy EM, Sanna D, Garribba E, Micera G, De Bona P, Pappalardo G, Rizzarelli E, Sóvágó I
* Copper(II) complexes of rat amylin fragments (792 views)
Dalton T (ISSN: 1477-9234, 1477-9226, 1477-9234electronic), 2011 Oct 14; 40(38): 9711-9721.
Impact Factor: 3.838
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Grasso GI, Arena G, Bellia F, Maccarrone G, Parrinello M, Pietropaolo A, Vecchio G, Rizzarelli E
* Intramolecular weak interactions in the thermodynamic stereoselectivity of copper(II) complexes with carnosine-trehalose conjugates (885 views)
Chemistry (ISSN: 1521-3765, 0947-6539, 1521-3765electronic), 2011 Sep 16; 17(34): 9448-9455.
Impact Factor: 5.925
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Improta R, Vitagliano L, Esposito L
* Peptide bond distortions from planarity: New insights from quantum mechanical calculations and peptide/protein crystal structures (1835 views)
Plosone (ISSN: 1932-6203, 1932-6203electronic, 1932-6203linking), 2011 Sep 16; 6(9): e24533-e24533.
Impact Factor: 4.092
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Verardi R, Traaseth NJ, Shi L, Porcelli F, Monfregola L, De Luca S, Amodeo P, Veglia G, Scaloni A
* Probing membrane topology of the antimicrobial peptide distinctin by solid-state NMR spectroscopy in zwitterionic and charged lipid bilayers (839 views)
Bba-Gen Subjects (ISSN: 0005-2736, 0006-3002, 0925-4439), 2011 Jan; 1808(1): 34-40.
Impact Factor: 3.99
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Avila FF, Improta R, Santoro F, Barone V
* Computing the inhomogeneous broadening of electronic transitions in solution: A first-principle quantum mechanical approach (509 views)
Phys Chem Chem Phys (ISSN: 1463-9076, 1463-3907, 1463-9084electronic), 2011; 13(38): 17007-17012.
Impact Factor: 3.573
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Gustavsson T, Banyasz A, Improta R, Markovitsi D
* Femtosecond fluorescence studies of DNA/RNA constituents (373 views)
J Phys Conf Ser (ISSN: 1742-6588), 2011; 261(1): 13-13.
Impact Factor: 0.895
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Abbate M, Casella G, Fiore T, Grasso G, Pellerito C, Scopelliti M, Spinella A, Pellerito L
* Structural characterization of triorganotin(IV) complexes with sodium fusidate and DFT calculations (664 views)
J Organomet Chem (ISSN: 0022-328x), 2010 May 1; 695(9): 1405-1413.
Impact Factor: 2.205
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Visco AM, Campo N, Vagliasindi LI, Tabbì G
* STUDY OF THE RADICAL SPECIES INDUCED BY ELECTRON-BEAM IRRADIATION IN VACUUM ON BIOMEDICAL UHMWPE (655 views)
International Journal Of Polymer Analysis And Characterization (ISSN: 1023-666x), 2010; 15(7): 424-437.
Impact Factor: 0.814
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Improta R, Santoro F, Barone V, Lami A
* Vibronic model for the quantum dynamical study of the competition between bright and charge-transfer excited states in single-strand polynucleotides: the adenine dimer case (494 views)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic, 1089-5639linking), 2009 Dec 31; 113(52): 15346-15354.
Impact Factor: 2.899
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Improta R, Barone V, Lami A, Santoro F
* Quantum dynamics of the ultrafast ππ*/nπ* population transfer in uracil and 5-fluoro-uracil in water and acetonitrile (466 views)
J Phys Chem B (ISSN: 1520-6106, 1520-5207, 1520-5207electronic), 2009 Oct 29; 113(43): 14491-14503.
Impact Factor: 3.471
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Karunakaran V, Kleinermanns K, Improta R, Kovalenko SA
* Photoinduced dynamics of guanosine monophosphate in water from broad-band transient absorption spectroscopy and quantum-chemical calculations (529 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(16): 5839-5850.
Impact Factor: 8.58
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Santoro F, Barone V, Improta R
* The Excited States Decay Of The A-T Dna: A Pcm/Td-Dft Study In Aqueous Solution Of The (9-Methyl-Adenine) 2 (1-Methyl-Thymine) 2 Stacked Tetramer (570 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2009; 131(42): 15232-15245.
Impact Factor: 8.58
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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 (587 views)
Theor Chem Acc (ISSN: 1432-881x), 2008 Jul; 120(4-6): 491-497.
Impact Factor: 2.37
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Santoro F, Lami A, Improta R, Bloino J, Barone V
* 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 (1165 views)
J Chem Phys (ISSN: 0021-9606, 0897-690online), 2008 Jun 14; 128(22): 17-17.
Impact Factor: 3.149
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Barone V, Improta R, Rega N
Quantum mechanical computations and spectroscopy: From small rigid molecules in the gas phase to large flexible molecules in solution (982 views)
Acc Chem Res (ISSN: 0001-4842, 0001-4842linking), 2008 May; 41(5): 605-616.
Impact Factor: 12.176
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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 (539 views)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic, 0192-8651linking), 2008 Apr 30; 29(6): 957-964.
Impact Factor: 3.39
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Santoro F, Barone V, Benzi C, Improta R
* Excited state properties of sizable molecules in solution: From structure to reactivity (635 views)
Theor Chem Acc (ISSN: 1432-881x), 2007 May; 117(5-6): 1073-1084.
Impact Factor: 2.537
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Ronga L, Langella E, Palladino P, Marasco D, Tizzano B, Saviano M, Pedone C, Improta R, Ruvo M
* 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 (881 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2007 Feb 15; 66(3): 707-715.
Impact Factor: 3.354
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Improta R, Barone V, Santoro F
* Ab initio calculations of absorption spectra of large molecules in solution: Coumarin C153 (871 views)
Angew Chem Int Ed (ISSN: 1433-7851, 1521-3773electronic, 1433-7851linking), 2007; 46(3): 405-408.
Impact Factor: 10.031
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Santoro F, Barone V, Improta R
* Influence of base stacking on excited-state behavior of polyadenine in water, based on time-dependent density functional calculations (1252 views)
P Natl Acad Sci Usa (ISSN: 0027-8424, 1091-6490, 0027-8424print), 2007; 104(24): 9931-9936.
Impact Factor: 9.598
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Pappalardo M, Milardi D, Grasso D, La Rosa C
* Steered molecular dynamics studies reveal different unfolding pathways of prions from mammalian and non-mammalian species (622 views)
New J Chem (ISSN: 1144-0546), 2007; 31(6): 901-905.
Impact Factor: 2.651
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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 (691 views)
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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Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
* Femtosecond study on the isomerization dynamics of NK88. I. Ground-state dynamics after photoexcitation (713 views)
J Chem Phys (ISSN: 0021-9606, 0021-9606print, 0897-690online), 2006 Jul 28; 125(4): 44512-44544.
Impact Factor: 3.247
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Vogt G, Nuernberger P, Gerber G, Improta R, Santoro F, Nuernberger P, Vogt G, Gerber G, Improta R, Santoro F
* Femtosecond study on the isomerization dynamics of NK88. II. Excited-state dynamics (567 views)
J Chem Phys (ISSN: 0021-9606, 0897-690online), 2006 Jul 28; 125(4): 44512-44512.
Impact Factor: 3.166
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Langella E, Improta R, Crescenzi O, Barone V
* 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 (1245 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2006 Jul 1; 64(1): 167-177.
Impact Factor: 3.73
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Improta R, Barone V, Newton MD
* A Parameter Free Quantum Mechanical Approach To The Calculation Of Electron Transfer Rates For Large Systems In Solution (589 views)
Chemphyschem (ISSN: 1439-4235, 1439-7641, 1439-7641electronic), 2006 Jun 12; 7(6): 1211-1215.
Impact Factor: 3.449
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Improta R, Barone V, Scalmani G, Frisch MJ
* A State-Specific Pcm Td-Dft Method For Equilibrium And Non-Equilibrium Excited State Calculations In Solution (663 views)
J Chem Phys (ISSN: 0897-690online, 0021-9606printed), 2006; 125(5): 54103-54103.
Impact Factor: 3.093
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Improta R, Barone V
* Absorption and fluorescence spectra of uracil in the gas phase and in aqueous solution: A TD-DFT quantum mechanical study (628 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2004 Nov 10; 126(44): 14320-14321.
Impact Factor: 6.903
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Improta R, Barone V
* Interplay of electronic, environmental, and vibrational effects in determining the hyperfine coupling constants of organic free radicals (508 views)
Chem Rev (ISSN: 0009-2665), 2004 Mar; 104(3): 1231-1253.
Impact Factor: 20.233
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Cimino P, Improta R, Bifulco G, Riccio R, Gomez-paloma L, Barone V
* Nucleophilic Cyclopropane Ring Opening in Duocarmycin SA Derivatives by Methanol under Acid Conditions: A Quantum Mechanical Study in the Gas-Phase and in Solution (1018 views)
J Org Chem (ISSN: 0022-3263, 0022-3263linking), 2004; 69(8): 2816-2824.
Impact Factor: 3.462
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Pappalardo M, Milardi D, Grasso DM, La Rosa C
* Free energy perturbation and molecular dynamics calculations of copper binding to azurin (690 views)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic), 2003 Apr 30; 24(6): 779-785.
Impact Factor: 3.186
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Improta R, Mele F, Crescenzi O, Benzi C, Barone V
* Understanding the role of stereoelectronic effects in determining collagen stability. 2. A quantum mechanical/molecular mechanical study of (Proline-Proline-Glycine)n polypeptides (608 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2002 Jul 3; 124(26): 7857-7865.
Impact Factor: 6.201
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Morelli G, De Luca S, Tesauro D, Saviano M, Pedone C, Dolmella A, Visentin R, Mazzi U
* CCK8 peptide derivatized with diphenylphosphine for rhenium labelling: Synthesis and molecular mechanics calculations (567 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2002 Jul; 8(7): 373-381.
Impact Factor: 1.691
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Clemente F, De Lazzari C, Darowski M, Ferrari G, Mimmo R, Guaragno M, Tosti G
* Study of systolic pressure variation (SPV) in presence of mechanical ventilation (972 views)
Int J Artif Organs (ISSN: 0391-3988, 0391-3988print), 2002 Apr; 25(4): 313-320.
Impact Factor: 1.192
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De Lazzari C, Darowski M, Ferrari G, Clemente F, Guaragno M
* Energetic parameter changes with mechanical ventilation in conjunction with BVAD assistance (828 views)
J Med Eng Technol (ISSN: 0309-1902), 2002 Mar; 26(2): 63-70.
Impact Factor: 0.538
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Benzi C, Improta R, Scalmani G, Barone V
* Quantum mechanical study of the conformational behavior of proline and 4R-hydroxyproline dipeptide analogues in vacuum and in aqueous solution (658 views)
J Comput Chem (ISSN: 0192-8651, 1096-987xelectronic), 2002 Feb; 23(3): 341-350.
Impact Factor: 2.931
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Improta R, Kudin KN, Scuseria GE, Barone V
* Structure and magnetic properties of nitroxide molecular crystals by density functional calculations employing periodic boundary conditions (582 views)
J Am Chem Soc (ISSN: 0002-7863, 0002-2786, 1520-5126), 2002 Jan 9; 124(1): 113-120.
Impact Factor: 6.201
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Saracino GAA, Tedeschi A, D'Errico G, Improta R, Franco L, Ruzzi M, Corvaia C, Barone V
* 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 (743 views)
J Phys Chem A (ISSN: 1089-5639, 1520-5215electronic, 1089-5639linking), 2002; 106(44): 10700-10706.
Impact Factor: 2.765
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Maccarrone G, Nardin G, Randaccio L, Tabbì G, Rosi M, Sgamellotti A, Rizzarelli E, Zangrando E
Structure Of Copper(ii) Complexes With L-Leucyl-D-Phenylalanine Or L-Leucyl-L-Phenylalanine And Lcao-Scf-Mo Calculations On The Stabilization Of Copper(ii) Complexes Due To D-π Interaction With Aromatic Ring (527 views)
Dalton Trans, 1996; N/D: 3449-3453.
Impact Factor: 0
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82 Records (76 excluding Abstracts).
Total impact factor: 434.123 (416.408 excluding Abstracts).
Total 5 year impact factor: 474.095 (455.837 excluding Abstracts).
Total impact factor: 434.123 (416.408 excluding Abstracts).
Total 5 year impact factor: 474.095 (455.837 excluding Abstracts).
718 views. Last view on Sunday 06 April 2025, 22:05:36
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