Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7146525 | Sensors and Actuators B: Chemical | 2014 | 8 Pages |
Abstract
A magnetic interdigitated microelectrode (m-IDμE) has been developed, characterized and evaluated. In order to demonstrate the potential use of these electrodes in the biosensors field, impedimetric measurements of bovine serum albumin (BSA) biofunctionalized magnetic μ-particles (BSAMP) were performed. Thanks to their magnetic capabilities and to the use of magnetic μ-particles, the developed electrodes were successfully regenerated and could be reused several times. The classical stepped-sine impedance spectroscopy (IS) technique and the state-of-art frequency response analyzer (FRA) multisine IS method based on the local polynomial method (LPM) were used as measurement techniques. The significant reduction of measuring time and accuracy of the multisine IS LPM-based technique reveals a promising performance for fast and accurate real-time on-line screening applications.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Benjamin Sanchez, Didac Vega, Angel Rodriguez, Ramon Bragos, M.-Pilar Marco, Enrique Valera,