| biosensor | 1. <apparatus> A sensor that collects data about a biological or physiological process, such as blood pressure. Any of a variety of types of biomolecular probes which measure the presence or concentration of biological molecules, biological structures, microorganisms, etc., by translating a biochemical interaction at the probe surface into a quantifiable physical signal. 2. <biology, physiology> The coupling of a biological material (for example, enzyme, receptor, antibody, whole cell, organelle) with a microelectronic system or device to enable rapid, accurate, low level detection of various substances in body fluids, water, and air. (03 Jul 1999) |
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| immobilised cell biosensor | Biosensors that use living cells as an essential part of their detector system. The immobilised cell does the sensing and produces a very weak signal of some sort, which is detected and amplified into a signal the user can read. (14 Nov 1997) |
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