Elimination of interferences in enzyme-based potentiometric sensors

Entity: Universitat Rovira i Virgili (URV)

Confidenciality: No

Education area(s): Nanociència, Materials i Processos - Tecnologia Química de Frontera 

Title in different languages: Elimination of interferences in enzyme-based potentiometric sensors

Abstract: An approach for the elimination of interferences in an enzyme-based potentiometric glucose biosensor based on the oxidation of the interferences by using nanostructured MnO2 is presented. Two different strategies were evaluated: i) direct addition of MnO2 to the sample followed by filtration and, ii) immobilization of MnO2 over the glucose biosensor as a pre-oxidizing layer. Both strategies have been successfully tested in real samples and these preliminary results have been validated against a commercial glucometer. Additionally, these results suggest that method for the elimination of interferences presented here could be potentially applied to other enzyme-based potentiometric sensors.

Subject: Enginyeria

Academic year: 2014-2015

Language: Anglès

Work's public defense date: 2015-09-09

Subject areas: Chemistry

Student: Magriñà Lobato, Iván

Department: Enginyeria Química

Creation date in repository: 2016-09-26

TFM credits: 24

Keywords: Potentiometry, biosensor, interference elimination, glucose, MnO2 nanoparticles

Title in original language: Elimination of interferences in enzyme-based potentiometric sensors

Access Rights: info:eu-repo/semantics/openAccess

Project director: Andrade, Francisco J.