Research and Applications of Electrochemical Sensors and Biosensors

Dear Colleagues,

A chemical sensor can be defined as a simple to use, robust device that, in conjunction with straightforward instrumentation, provides analytical information (quantitative or qualitative) for atomic, molecular, or ionic species. A sub category is a biosensor, which generally uses bio-material to facilitate in taking measurements of materials derived from living substances.

These sensor systems have additional desirable attributes, such as being cheap to mass manufacture in bulk, require no or minimal pre-use calibration, and possess the on-board ability to transmit data remotely.

All sensors have the following in common: a recognition agent together with a transducer, which transforms information into a usable signal. This is generally followed by further data processing.

Electrochemical sensors and biosensors use many techniques in order to achieve successful and practical devices. Examples of sensors that fulfill the desired criteria and that are used routinely are as follows:

• pH using a glass electrode and high impedance potentiometry
• blood glucose using a confined volume cell and variants of amperometry

This Special Issue will focus on the aspects of research and applications that have the potential to be translated into viable, commercially successful sensor systems.

Prof. Dr. Brian Birch
Guest Editor

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