Chapter 10 Immunosensors: Concepts and Structures for Fast and Accurate Sensing

1. Introduction

2. Description of the immunosensors

2.1. Interdigitated μ-electrodes (IDμE’s)

2.2. Impedimetric immunosensor based on singly frequency impedance measurements

2.3. Conductimetric immunosensor based on DC measurements

3. Functionalization of the immunosensors

3.1. Functionalization of the impedimetric immunosensor

3.2. Functionalization of the conductimetric immunosensor

4. Pesticide residues detection

4.1. Impedimetric immunosensor based on singly frequency impedance measurements

4.1.1. Multi-sine burst signal

4.2. Conductimetric immunosensor

4.2.1. Atrazine detection in buffer samples

4.2.2. Atrazine detection in red wine samples

4.2.3. New approach: A flexible device

4.2.3.1. Flexible interdigitated μ-electrode (FIDµE)

4.2.3.2. Conductimetric immunosensor using FIDµE’s

5. Conclusions

Author details

References