Browsing by Author "3282dc26-2dec-418e-ae1b-8f3ed718762b"
Now showing items 1-4 of 4
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Calfumán, Karla; Aguirre, Maria Jesús; Cañete Rosales, Paulina; Bollo Dragnic, Soledad; Llusar, Rosa; Isaacs, Mauricio (Elsevier Ltd, 2011)This paper describes the electrochemical reduction of nitrite ion in neutral aqueous solution mediated by tetraruthenated metalloporphyrins (Co(II), Ni(II) and Zn(II)) electrostatically assembled onto a Nafion film previously ...
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Dreyse, Paulina; Isaacs, Mauricio; Calfumán, Karla; Cáceres, César; Aliaga, Alvaro; Aguirre, María Jesús; Villagra, Diego (2011)This work describes the preparation of modified electrodes with Poly-tetraruthenated porphyrin. Also, a detailed Raman and electrochemical characterization of these surfaces is shown. Glassy carbon electrodes were modified ...
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San Martín, Cristian; Dreyse, Paulina; García, Camilo; Calfumán, Karla; Villagra, Diego; Isaacs, Mauricio (Sociedad Chilena de Quimica, 2007)This paper describes the electrochemical reduction of nitrite ion in basic media 0.2M KHC03, with glassy carbon or ITO electrodes modified with a conducting polymer derived from Co(II)tetra-3-aminophenyl-porphyrin. Cyclic ...
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Calfumán, Karla; Honores, Jessica; Isaacs, Mauricio; Quezada, Diego; Valdebenito, Javier; Urzúa Acevedo, Marcela (Wiley-VCH Verlag, 2019)Atrazine is a pesticide used to control broadleaf weeds, however its wide distribution and its high persistence in the soil and in surface waters has resulted in a public and environmental health problem. Present results ...