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- Title
Biosensing Membrane Base on Ferulic Acid and Glucose Oxidase for an Amperometric Glucose Biosensor.
- Authors
Valdés-Ramírez, Gabriela; Galicia, Laura
- Abstract
A biosensing membrane base on ferulic acid and glucose oxidase is synthesized onto a carbon paste electrode by electropolymerization via cyclic voltammetry in aqueous media at neutral pH at a single step. The developed biosensors exhibit a linear response from 0.082 to 34 mM glucose concentration, with a coefficient of determination R2 equal to 0.997. The biosensors display a sensitivity of 1.1 μAmM−1 cm−2, a detection limit of 0.025 mM, and 0.082 mM as glucose quantification limit. The studies reveal stable, repeatable, and reproducible biosensors response. The results indicate that the novel poly-ferulic acid membrane synthesized by electropolymerization is a promising method for glucose oxidase immobilization towards the development of glucose biosensors. The developed glucose biosensors exhibit a broader linear glucose response than other polymer-based glucose biosensors.
- Subjects
GLUCOSE oxidase; FERULIC acid; BIOSENSORS; CARBON electrodes; CYCLIC voltammetry; DETECTION limit
- Publication
Molecules, 2021, Vol 26, Issue 12, p3757
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules26123757