The Use of Insect Chemoreceptors for the Assembly of Biosensors Based on Semiconductor Field-Effect Transistors

The extraordinary sensing abilities of insects have been well-known for many years. The use of their sensitive organs in biosensors is of great interest. This article describes both the signal-generating process inside the sensing organs and how to measure these signals in terms of technical sensing principles. Especially, EAG techniques and a novel BioFET (coupling between an insect antenna and a field-effect transistor) set-up are covered in detail. Possible applications of biosensors based on intact chemoreceptors are given and possible future developments in this area are discussed.

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