Oxidation of free, peptide and protein tryptophan residues mediated by AAPH-derived free radicals: role of alkoxyl and peroxyl radicals von Fuentes-Lemus, E, Dorta, E, Escobar, E, Aspée, A, Pino, E, Abasq, M. L, Speisky, H, Silva, E, Lissi, E, Davies, M. J, López-Alarcón, C

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Antioxidant activity of inclusion complexes of tea catechins with β-cyclodextrins by ORAC assays von Folch-Cano, C., Jullian, C., Speisky, H., Olea-Azar, C.

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Ascorbic acid contribution to ORAC values in berry extracts: An evaluation by the ORAC-pyrogallol red methodology von Atala, E., Vásquez, L., Speisky, H., Lissi, E., López-Alarcón, C.

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The ORAC (oxygen radical absorbance capacity) index does not reflect the capacity of antioxidants to trap peroxyl radicals von Dorta, E, Fuentes-Lemus, E, Aspée, A, Atala, E, Speisky, H, Bridi, R, Lissi, E, López-Alarcón, C

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Antioxidant capacity of phenolic compounds in acidic medium: A pyrogallol red-based ORAC (oxygen radical absorbance capacity) assay von Atala, E., Aspée, A., Speisky, H., Lissi, E., López-Alarcón, C.

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Mechanism of Pyrogallol Red Oxidation Induced by Free Radicals and Reactive Oxidant Species. A Kinetic and Spectroelectrochemistry Study von Atala, E, Velásquez, G, Vergara, C, Mardones, C, Reyes, J, Tapia, R. A, Quina, F, Mendes, M. A, Speisky, H, Lissi, E, Ureta-Zañartu, M. S, Aspée, A, López-Alarcón, C

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Polyvinylpolypyrrolidone (PVPP)-Assisted Folin–Ciocalteu Assay to Assess Total Phenol Content of Commercial Beverages von Bridi, R, Troncoso, M. J, Folch-Cano, C, Fuentes, J, Speisky, H, López-Alarcón, C

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Pyrogallol red oxidation induced by superoxide radicals: Application to evaluate redox cycling of nitro compounds von Faúndez, M., Rojas, M., Bohle, P., Reyes, C., Letelier, M.E., Aliaga, M.E., Speisky, H., Lissi, E., López-Alarcón, C.

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Liver copper storage and transport during development: implications for cytotoxicity von Luza, SC, Speisky, HC

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A novel alkaloid antioxidant, Boldine and synthetic antioxidant, reduced form of RU486, inhibit the oxidation of LDL in-vitro and atherosclerosis in vivo in LDLR −/− mice von Santanam, N, Penumetcha, M, Speisky, H, Parthasarathy, S

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Boldine and its antioxidant or health-promoting properties von O’Brien, Peter, Carrasco-Pozo, Catalina, Speisky, Hernán

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Interaction of 5-aminosalicylic acid with nitrous acid: formation of the diazonium derivative and nitric oxide release von Lopez-Alarcon, C, Lissi, E, Hoffmann, P, Mella, J, Pessoa-Mahana, C.D, Speisky, H, Moller, M, Ferrer-Sueta, G, Denicola, A

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Chronic exposure of HepG2 cells to excess copper results in depletion of glutathione and induction of metallothionein von Jiménez, I, Aracena, P, Letelier, M.E, Navarro, P, Speisky, H

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Effects of copper ions on the free radical-scavenging properties of reduced gluthathione: implications of a complex formation von Jiménez, I., Speisky, H.

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Reactivity of 1,4-dihydropyridines toward SIN-1-derived peroxynitrite von López-Alarcón, C, Speisky, H, Squella, J A, Olea-Azar, C, Camargo, C, Núñez-Vergara, Luis J

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Loss of the metal binding properties of metallothionein induced by hydrogen peroxide and free radicals von Jiménez, I., Gotteland, M., Zarzuelo, A., Uauy, R., Speisky, H.

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Role of alkoxyl radicals on the fluorescein-based ORAC (Oxygen Radical Absorbance Capacity) assay von Dorta, E, Atala, E, Aspee, A, Speisky, H, Lissi, E, Lopez-Alarcon, C

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P50 - Role of alkoxyl radicals on the fluorescein-based ORAC (Oxygen Radical Absorbance Capacity) assay von Dorta, E, Atala, E, Aspee, A, Speisky, H, Lissi, E, Lopez-Alarcon, C

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PP01 - 1,3-Disubstituted-5-nitroindazole derivatives are inhibitors and subversive substrates of trypanothione reductase from Trypanosoma cruzi von Aguilera-Venegas, B., Olea-Azar, C., Speisky, H., Arán, V.J., Krauth-Siegel, R.L.

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1,3-Disubstituted-5-nitroindazole derivatives are inhibitors and subversive substrates of trypanothione reductase from Trypanosoma cruzi von Aguilera-Venegas, B., Olea-Azar, C., Speisky, H., Arán, V.J., Krauth-Siegel, R.L.

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