Biosensors

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Author(s): Sourabh Bansal (Illinois Institute of Technology, USA)
Copyright: 2008
Pages: 6
Source title: Encyclopedia of Healthcare Information Systems
Source Author(s)/Editor(s): Nilmini Wickramasinghe (Illinois Institute of Technology, USA)and Eliezer Geisler (Illinois Institute of Technology, USA)
DOI: 10.4018/978-1-59904-889-5.ch023

Keywords: Health Information Systems / Medical Information Science Reference / Medicine & Healthcare

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Abstract

Biosensor1 is a diagnostic tool in which a biological element is used to sense a chemical and its amount in a given sample, and then the sensed information (i.e., data) is transferred to a transducer which converts this signal to electrical signal. In this way, it transforms a biological response into an electrical signal. It also detects, records, and transmits data generated due to physiological change or any chemicals presence in the area being analyzed. The analysis is accurate and reliable. In other words, biosensor can be termed as a device used in a biological derived sensing element2 integrated with a physiochemical transducer, producing an electrical signal (Turner, 1996). The resulting electrical signal is a measure of the amount of chemical or combination of chemicals being detected. Sometimes Biosensors are referred as the living organisms, which are used as a sensor to detect the environmental change.

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