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UV-Induced Adenine Radicals Induced in DNA A-Tracts: Spectral and Dynamical Characterization (30 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.

Tipo di articolo: Journal Article,

Impact factor: 9.353

Impact factor a 5 anni: 8.334


Parole chiave: Non disponibili.

Url: Non disponibile.

Adenyl radicals generated in DNA single and double strands, (dA)20 and (dA)20.(dT)20, by one- and two-photon ionization by 266 nm laser pulses decay at 600 nm with half-times of 1.0 +/- 0.1 and 4 +/- 1 ms, respectively. Though ionization initially forms the cation radical, the radicals detected for (dA)20 are quantitatively identified as N6-deprotonated adenyl radicals by their absorption spectrum, which is computed quantum mechanically employing TD-DFT. Theoretical calculations show that deprotonation of the cation radical induces only weak spectral changes, in line with the spectra of the adenyl radical cation and the deprotonated radical trapped in low temperature glasses.
*** IBB - CNR ***

LIDYL, CEA, CNRS, Universite Paris-Saclay , F-91191 Gif-sur-Yvette, France., Department of Chemistry, Oakland University , Rochester, Michigan 48309, United States., Istituto Biostrutture e Bioimmagini-Consiglio Nazionale delle Ricerche, Via Mezzocannone 16, I-80134 Napoli, Italy.,
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* Adenine radicals generated in alternating AT duplexes by direct absorption of low-energy UV radiation (22 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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* Absorption and emission spectral shapes of a prototype dye in water by combining classical/dynamical and quantum/static approaches (79 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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* Self-Trained Supervised Segmentation of Subcortical Brain Structures Using Multispectral Magnetic Resonance Images (147 visite)
Larobina M, Murino L, Cervo A, Alfano B
Biomed Research International, 2015; 2015: N/D-9.
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* Quantum-classical calculation of the absorption and emission spectral shapes of oligothiophenes at low and room temperature by first-principle calculations (29 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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* Evaluation of supervised methods for the classification of major tissues and subcortical structures in multispectral brain magnetic resonance images (182 visite) (PDF 115 visite)
Murino L, Granata D, Carfora MF, Selvan SE, Alfano B, Amato U, Larobina M
Comput Med Imaging Graph Elsevier Ltd (ISSN: 0895-6111, 1879-0771), 2014 Jul; 38(5): 337-347.
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* Determination Of Formal Redox Potentials In Aqueous Solution Of Copper(ii) Complexes With Ligands Having Nitrogen And Oxygen Donor Atoms And Comparisonwith Their Epr And Uv–vis Spectral Features (81 visite)
Tabbì G, Giuffrida A, Bonomo RP
J Chem Res (ISSN: 1873-3344, 0162-0134, 0162-0134print), 2013 Nov; 128: 137-145.
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* Electrical impedance spectral measurements of muscular tissue in different physiological condition (46 visite)
Clemente F, Cesarelli M, Bifulco P
2013 Federated Conference On Computer Science And Information Systems Fedcsis 2013 (ISSN: 9781-4673, 9781-467344715), 2012; N/D: 43-46.
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* The peculiar spectral properties of amino-substituted uracils: A combined theoretical and experimental study (75 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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* Carcinine-beta-cyclodextrin derivatives as scavenger entities of (OH) radicals and SOD-like properties of their copper(II) complexes (84 visite)
Bonomo RP, D'Alessandro F, Grasso G, Impellizzeri G, Pappalardo G, Rizzarelli E, Tabbì G
Inorg Chim Acta (ISSN: 0020-1693), 2008 May 5; 361(6): 1705-1714.
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* Haptoglobin binding to apolipoprotein A-I prevents damage from hydroxyl radicals on its stimulatory activity of the enzyme lecithin-cholesterol acyl-transferase (81 visite)
Salvatore A, Cigliano L, Bucci EM, Corpillo D, Velasco S, Carlucci A, Pedone C, Abrescia P
Biochemistry (ISSN: 0006-2960, 1520-4995, 1520-4995electronic), 2007 Oct 2; 46(39): 11158-11168.
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* Interplay of electronic, environmental, and vibrational effects in determining the hyperfine coupling constants of organic free radicals (77 visite)
Improta R, Barone V
Chemical Reviews (ISSN: 0009-2665), 2004 Mar; 104(3): 1231-1253.
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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 (65 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.
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Reproducibility of intracranial volume measurement by unsupervised multispectral brain segmentation (160 visite) (PDF 385 visite)
Alfano B, Quarantelli M, Brunetti A, Larobina M, Covelli EM, Tedeschi E, Salvatore M
Magn Reson Med (ISSN: 0740-3194, 1522-2594electronic), 1998 Mar; 39(3): 497-499.
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Automated lesion identification and volumetric measurement of lesion load in multiple sclerosis using a multispectral relaxometric MR approach (61 visite)
Alfano B, Brunetti A, Ciarmiello A, Covelli E, Larobina M, Salvatore M
Radiology (ISSN: 0033-8419, 1527-1315), 1997 Nov; 205: N/D-N/D.
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White matter lesion detection in multiple sclerosis: Improved interobserver concordance with multispectral MRI display (115 visite) (PDF 95 visite)
Brunetti A, Tedeschi G, Di Costanzo A, Covelli EM, Aloj L, Bonavita S, Ciarmiello A, Alfano B, Salvatore M
J Neurol (ISSN: 0340-5354, 1432-1459, 1432-1459electronic), 1997 Sep; 244(9): 586-590.
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Unsupervised, automated segmentation of the normal brain using a multispectral relaxometric magnetic resonance approach (183 visite) (PDF 410 visite)
Alfano B, Brunetti A, Covelli EM, Quarantelli M, Panico M, Ciarmiello A, Salvatore M
Magn Reson Med (ISSN: 0740-3194, 1522-2594electronic, 0740-3194linking), 1997 Jan; 37(1): 84-93.
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Fully-automated multispectral MR brain segmentation for detection and volumetric measurement of white matter lesions (129 visite)
Alfano B, Brunetti A, Quarantelli M, Larobina M, Covelli EM, Tedeschi E, Ciarmiello A, Salvatore M
Surgeryinternational Congress Series Car 97 Computer Assisted Radiology And (ISSN: 0531-5131), 1997; 1134: N/D-N/D.
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Conventional spin echo MR studies for unsupervised multispectral assessment of intracranial volumes (76 visite)
Alfano B, Quarantelli M, Brunetti A, Tedeschi E, Covelli E, Burgazzi G, Ciarmiello A, Salvatore M
Surgeryinternational Congress Series Car 97 Computer Assisted Radiology And (ISSN: 0531-5131), 1996; 1124: N/D-N/D.
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18 Records (15 escludendo Abstract e Conferenze).
Impact factor totale: 64.6 (56.735 escludendo Abstract e Conferenze).
Impact factor a 5 anni totale: 98.75 (87.795 escludendo Abstract e Conferenze).

Interrogazione bibliografica effettuata: (([btitle] "Radicals" OR [btitle] "Spectral") AND NOT [id] = 53472)







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