Pattern of hydroxy radical reaction with adenine and its nucleosides and nucleotides. Characterization of two types of isomeric hydroxy adduct and their unimolecular … A Vieira, S Steenken Journal of the American Chemical Society 112 (19), 6986-6994, 1990 | 189 | 1990 |
Antioxidant Properties of trans-ε-Viniferin As Compared to Stilbene Derivatives in Aqueous and Nonaqueous Media C Privat, JP Telo, V Bernardes-Genisson, A Vieira, JP Souchard, ... Journal of Agricultural and Food Chemistry 50 (5), 1213-1217, 2002 | 151 | 2002 |
Selenium-containing chrysin and quercetin derivatives: Attractive scaffolds for cancer therapy IL Martins, C Charneira, V Gandin, JL Ferreira da Silva, GC Justino, ... Journal of Medicinal Chemistry 58 (10), 4250-4265, 2015 | 110 | 2015 |
Pattern of hydroxyl radical reaction with 6-and 9-substituted purines: Effect of substituents on the rates and activation parameters of the unimolecular transformation … A Vieira, S Steenken Journal of Physical Chemistry 91 (15), 4138-4144, 1987 | 108 | 1987 |
Pattern of OH radical reaction with N6, N6-dimethyladenosine. Production of three isomeric OH adducts and their dehydration and ring-opening reactions A Vieira, S Steenken Journal of the American Chemical Society 109 (24), 7441-7448, 1987 | 102 | 1987 |
Mechanism of free radical oxidation of caffeine in aqueous solution JP Telo, AJSC Vieira Journal of the Chemical Society, Perkin Transactions 2, 1755-1758, 1997 | 75 | 1997 |
Antioxidant mechanisms of Quercetin and Myricetin in the gas phase and in solution–a comparison and validation of semi-empirical methods GC Justino, AJSC Vieira Journal of molecular modeling 16, 863-876, 2010 | 70 | 2010 |
Scavenging activity of aminoantipyrines against hydroxyl radical PMP Santos, AMM Antunes, J Noronha, E Fernandes, AJSC Vieira European journal of medicinal chemistry 45 (6), 2258-2264, 2010 | 65 | 2010 |
Mechanisms of potential antioxidant activity of caffeine AJSC Vieira, EM Gaspar, PMP Santos Radiation Physics and Chemistry 174, 108968, 2020 | 52 | 2020 |
Dipyrone and aminopyrine are effective scavengers of reactive nitrogen species D Costa, A Vieira, E Fernandes Redox Report 11 (3), 136-142, 2006 | 40 | 2006 |
Hydroxyl radical induced damage to the purine bases A Vieira, LP Candeias, S Steenken J Chim Phys 90, 881-897, 1993 | 36 | 1993 |
ESR and ENDOR Investigations on Various Wurster’s Radical Cations in Solution. Experimental Results, Theoretical Ab Initio, and DFT Calculations G Grampp, AM Kelterer, S Landgraf, M Sacher, D Niethammer, JP Telo, ... Monatshefte für Chemie/Chemical Monthly 136, 519-536, 2005 | 25 | 2005 |
Pattern of hydroxyl radical reaction with N6, N6, 9-trimethyladenine: dehydroxylation and ring opening of isomeric hydroxyl adducts A Vieira, S Steenken The Journal of Physical Chemistry 95 (23), 9340-9346, 1991 | 25 | 1991 |
Gamma irradiation of clove: level of trapped radicals and effects on bioactive composition EM Gaspar, JC Santana, PMP Santos, JP Telo, AJSC Vieira Journal of the Science of Food and Agriculture 99 (4), 1668-1674, 2019 | 18 | 2019 |
Antioxidising activity of cinnamic acid derivatives against oxidative stress induced by oxidising radicals PMP Santos, AJSC Vieira Journal of Physical Organic Chemistry 26 (5), 432-439, 2013 | 17 | 2013 |
Antioxidant effect of naturally occurring xanthines on the oxidative damage of DNA bases A Vieira, JP Telo, HF Pereira, PF Patrocínio, RMB Dias Journal de Chimie Physique et de Physico-Chimie Biologique 96 (1), 116-123, 1999 | 15 | 1999 |
Demethylation of theophylline (1, 3-dimethylxanthine) to 1-methylxanthine: the first step of an antioxidising cascade PMP Santos, SAG Silva, GC Justino, AJSC Vieira Redox Report 15 (3), 138-144, 2010 | 14 | 2010 |
Reaction of purines with hydroxyl radical generated by photolysis of mercaptopyridine-N-oxides A Vieira, JP Telo, RMB Dias Journal de chimie physique 94, 318-325, 1997 | 13 | 1997 |
Radical oxidation of xanthines: a reaction pathway to uric acid? A Vieira, S Steenken Journal de chimie physique 93, 235-243, 1996 | 13 | 1996 |
EPR spectroscopic study of the radical oxidation of hydroxypurines in aqueous solution: acid–base properties of the derived radicals MCÔ BL áShohoji, JSC Abel Journal of the Chemical Society, Perkin Transactions 2, 1461-1465, 1996 | 12 | 1996 |