Browsing by Author "Vergara, Claudia"
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- ItemLa educación científica en Chile: debilidades de la enseñanza y futuros desafíos de la educación de profesores de ciencia(2010) Cofré Mardones, Hernán; Camacho González, Johanna Patricia; Galaz Ruiz, Alberto; Jiménez, Javier; Santibáñez, David; Vergara, Claudia
- ItemMODIFICATION OF BORON DOPED DIAMOND ELECTRODES WITH GLUCOSE OXIDASE, CHARACTERIZATION BY ELECTROCHEMICAL TECHNIQUES(SOC CHILENA QUIMICA, 2011) Del Rio, Rodrigo; Armijo, Francisco; Schrebler, Ricardo; Del Canto, Gabriela; Vergara, Claudia; Gutierrez, CesarIn this work, we report the effect of the direct successive modifications with Glucose oxidase onto boron doped diamond electrode (BDD). The modification due to the enzyme adsorption, on the potentiodynamic response of the electrode, was evaluated using Fe(CN)(6)(4-/3-) red-ox couple on the electrolyte and the Delta Ep variations were related with the number of modifications. Contact angle measurements and the electrochemical impedance spectra were also used to characterized the modifications and they showed variations in the same way that the potentiodynamic data.
- ItemScience teacher education in South America: the case of Argentina, Colombia and Chile(2015) Cofré Mardones, Hernán; González Weil, Corina; Vergara, Claudia; Santibáñez, David; Ahumada, Germán; Furman, Melina; Podesta, María E.; Camacho González, Johanna Patricia; Rómulo Gallego; Pérez, Royman