Browsing by Author "Speisky Cosoy, Hernán"
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Cu(II)–disulfide complexes display simultaneous superoxide dismutase- and catalase-like activities Aliaga, Margarita E.; Andrade Acuña, Daniela; López Alarcón, Camilo; Sandoval Acuña, Cristián; Speisky Cosoy, Hernán (Elsevier, 2013)Superoxide is a potentially toxic by-product of cellular metabolism.We have addressed here the in vitro ability of complexes formed between copper(II) ions and various biologically-occurring disulfides (RSSR: oxidized ...
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Gironés Vilaplana, Amadeo; Baenas, Nieves; Villaño, Débora; Speisky Cosoy, Hernán; García Viguera, Cristina; Moreno, Diego A. (Elsevier, 2014)This work aimed to provide a thorough description of the polyphenolic composition of five Latin-American fruits of increasing interest, which have certain anti-diabetic effects (ac¸aı´, maqui, Cape gooseberry, papaya and ...
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Atala, E.; Velásquez Cisternas, Gonzalo; Vergara, C.; Mardones, C.; Reyes, J.; Tapia, R. A.; Quina, F.; Mendes, M. A.; Speisky Cosoy, Hernán; Lissi, E.; Ureta Zañartu, M. S.; Aspée, A.; López Alarcón, C. (2013)Pyrogallol red (PGR) presents high reactivity toward reactive (radical and nonradical) species (RS). This property of PGR, together with its characteristic spectroscopic absorption in the visible region, has allowed ...
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Sandoval Acuña, Cristián; Ferreira Parker, Jorge; Speisky Cosoy, Hernán (Elsevier, 2014)Polyphenols, ubiquitously present in fruits and vegetables, have been traditionally viewed as antioxidant molecules. Such contention emerged, mainly from their well established in vitro ability to scavenge free radicals ...
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Folch Cano, Christian; Olea Azar, Claudio; Speisky Cosoy, Hernán (Elsevier, 2013)In this studywefindthe possible structural factors that can determine the adsorption process ofsomepure phenolic compounds (PC) onto polyvinylpolypyrrolidone (PVPP), analyzing their adsorption isotherms by using the ...