biosensor

noun2

1. •
   Any device that detects, records or transmits physiological data, especially data concerning the presence of chemical compounds (analytes)
2. •
   A device that uses biological material (e.g. microorganisms, oligonucleotides, enzymes, antibodies) to detect other biological molecules or chemicals.

   • Today's biosensor market is dominated by glucose biosensors, mass-produced enzyme-electrodes for the rapid self-diagnosis of blood glucose levels by diabetes sufferers. — 2005