Biosensor ;-
It is a device consisting of an immobilized layer of biological material such as enzyme, antibody, hormone, nucleic acids, organelles or whole cells and its contact with a sensor. The sensor converts biological signals into an electrical signal. It is used in medical field and industries.
Biochips ;-
Biochips are microchips which are developed by employing techniques of Biotechnology. In future, biological computers will be developed using biochips. Biochips will be useful in defence, medicine etc.