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Biosensors, Electrochemical

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Encyclopedia of Applied Electrochemistry

Introduction

In early 2000, two Divisions of the International Union of Pure and Applied Chemistry (IUPAC) prepared recommendations on the definition, classification, and nomenclature related to electrochemical biosensors; these recommendations have been then extended to other types of biosensors. Following these IUPAC recommendations, “a biosensor is defined as a self-contained integrated device, which is capable of providing specific quantitative or semi-quantitative analytical information using a biological recognition element (biochemical receptor) which is retained in direct spatial contact with an electrochemical transduction element. Because of their ability to be repeatedly calibrated, a biosensor should be clearly distinguished from a bioanalytical system, which requires additional processing steps, such as reagent addition” [1].

Another important concept was introduced, some years later, by Turner and Newman in [2]; they referred to a biosensor as “a compact analytical...

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Correspondence to Marco Mascini .

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Mascini, M., Palchetti, I. (2014). Biosensors, Electrochemical. In: Kreysa, G., Ota, Ki., Savinell, R.F. (eds) Encyclopedia of Applied Electrochemistry. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6996-5_252

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