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Gilson DeFreitas-Silva
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Lipophilicity of potent porphyrin-based antioxidants: comparison of ortho and meta isomers of Mn (III) N-alkylpyridylporphyrins
I Kos, JS Rebouças, G DeFreitas-Silva, D Salvemini, Z Vujaskovic, ...
Free Radical Biology and Medicine 47 (1), 72-78, 2009
772009
Partially and fully β-brominated Mn-porphyrins in P450 biomimetic systems: effects of the degree of bromination on electrochemical and catalytic properties
E do Nascimento, GF Silva, FA Caetano, MAM Fernandes, DC da Silva, ...
Journal of inorganic biochemistry 99 (5), 1193-1204, 2005
772005
Metalloporphyrins immobilized on silica-coated Fe 3 O 4 nanoparticles: Magnetically recoverable catalysts for the oxidation of organic substrates
GM Ucoski, FS Nunes, G DeFreitas-Silva, YM Idemori, S Nakagaki
Applied Catalysis A: General 459, 121-130, 2013
732013
Impact of electrostatics in redox modulation of oxidative stress by Mn porphyrins: protection of SOD-deficient Escherichia coli via alternative mechanism where Mn porphyrin …
JS Rebouças, G DeFreitas-Silva, I Spasojević, YM Idemori, L Benov, ...
Free radical biology and medicine 45 (2), 201-210, 2008
712008
SOD-like activity of Mn (II) β-octabromo-meso-tetrakis (N-methylpyridinium-3-yl) porphyrin equals that of the enzyme itself
G DeFreitas-Silva, JS Rebouças, I Spasojević, L Benov, YM Idemori, ...
Archives of biochemistry and biophysics 477 (1), 105-112, 2008
632008
New manganese porphyrin as biomimetic catalyst of cyclohexane oxidation: Effect of water or imidazole as additives
VS da Silva, LI Teixeira, E do Nascimento, YM Idemori, G DeFreitas-Silva
Applied Catalysis A: General 469, 124-131, 2014
622014
Spectral, electrochemical, and catalytic properties of a homologous series of manganese porphyrins as cytochrome P450 model: The effect of the degree of β-bromination
DC da Silva, G DeFreitas-Silva, E do Nascimento, JS Rebouças, ...
Journal of inorganic biochemistry 102 (10), 1932-1941, 2008
612008
Ensinar e aprender Química: a percepção dos professores do Ensino Médio
AL Quadros, D Carvalho da Silva, F Pereira de Andrade, HG Aleme, ...
Educar em Revista, 2011
592011
Optical study of porphyrin-doped carbon nanotubes
GAM Sáfar, HB Ribeiro, LM Malard, FO Plentz, C Fantini, AP Santos, ...
Chemical Physics Letters 462 (1-3), 109-111, 2008
402008
Cyclohexane hydroxylation by iodosylbenzene and iodobenzene diacetate catalyzed by a new β-octahalogenated Mn–porphyrin complex: The effect of meso-3-pyridyl substituents
G de Freitas Silva, DC da Silva, AS Guimarães, E do Nascimento, ...
Journal of Molecular Catalysis A: Chemical 266 (1-2), 274-283, 2007
352007
The knowledge of chemistry in secondary education: difficulties from the teachers' viewpoint
AL de Quadros, D Carvalho Da-Silva, FC Silva, F Pereira de Andrade, ...
Educación química 22 (3), 232-239, 2011
322011
New highly brominated Mn-porphyrin: a good catalyst for activation of inert C–H bonds
VS da Silva, S Nakagaki, GM Ucoski, YM Idemori, G DeFreitas-Silva
RSC Advances 5 (129), 106589-106598, 2015
302015
Heterogeneous oxidation of the dye Brilliant Green with H 2 O 2 catalyzed by supported manganese porphyrins
GM Ucoski, GS Machado, G de Freitas Silva, FS Nunes, F Wypych, ...
Journal of Molecular Catalysis A: Chemical 408, 123-131, 2015
292015
Effect of imidazole on biomimetic cyclohexane oxidation by first-, second-, and third-generation manganese porphyrins using PhIO and PhI (OAc) 2 as oxidants
VS da Silva, AM Meireles, DC da Silva Martins, JS Rebouças, ...
Applied Catalysis A: General 491, 17-27, 2015
292015
Manganese porphyrins immobilized on magnetic SBA-15 mesoporous silica as selective and efficient catalysts for cyclic and linear alkane oxidation
GM Ucoski, VHA Pinto, G DeFreitas-Silva, JS Rebouças, RM da Silva Jr, ...
Microporous and Mesoporous Materials 265, 84-97, 2018
282018
Biomimetic oxidation of cyclic and linear alkanes: high alcohol selectivity promoted by a novel manganese porphyrin catalyst
VS da Silva, WC dos Santos Vieira, AM Meireles, GM Ucoski, S Nakagaki, ...
New Journal of Chemistry 41 (3), 997-1006, 2017
262017
Synthesis and characterization of bismuth (III) and antimony (V) porphyrins: high antileishmanial activity against antimony-resistant parasite
ML Gomes, G DeFreitas-Silva, PG dos Reis, MN Melo, F Frézard, ...
JBIC Journal of Biological Inorganic Chemistry 20 (5), 771-779, 2015
262015
Biomimetic alkane oxidation by iodosylbenzene and iodobenzene diacetate catalyzed by a new manganese porphyrin: Water effect
VS da Silva, YM Idemori, G DeFreitas-Silva
Applied Catalysis A: General 498, 54-62, 2015
252015
Percepção dos pós-graduandos em química da Universidade Federal de Minas Gerais sobre a própria formação docente
AL Quadros, D CarvalhoDa-Silva, FC Silva, FP Andrade, HG Aleme, ...
Química Nova 34 (5), 893-898, 2011
182011
Manganese porphyrins as efficient catalysts in solvent-free cyclohexane oxidation
MG de Araujo Tôrres, VS da Silva, YM Idemori, G DeFreitas-Silva
Arabian Journal of Chemistry 13 (1), 1563-1574, 2020
162020
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