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Microsystems for Bioelectronics, 2nd Edition by Victor V. Zhirnov, Ralph K. Cavin III

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Chapter 6

Sensors at the micro-scale

Abstract

It is imperative that the nanomorphic cell have the capability to make measurements on selected variables in its immediate environment. Devices that perform this function are called sensors, and at the front-end of the sensor is the transducer whose function is to transform biological signals into electrical signals so that further processing and analysis can be effected. Sensors are made up of other components that perform signal conditioning and transformation in the electrical domain but the focus of this chapter is on the transducer. Moreover, for both the nanomorphic cell and the living cell, it is important that sensor dimensions lie in the range of no more than a few microns.

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