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Heat output: calorimetric biosensor:: light output: ____________

(a) Optical biosensor

(b) Piezo-electric biosensor

(c) Potentiometric biosensor

(d) Amperometric biosensor

I have been asked this question in an interview for internship.

My question is taken from Biosensors topic in portion Biosensors of Enzyme Technology

1 Answer

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Best answer
The correct choice is (a) Optical biosensor

Explanation: When the physical change accompanying the reaction is heat output, the biosensor is called as calorimetric biosensor. In the same way, when the physical change accompanying the reaction is light output or a light absorbance difference between the reactants and products, then the biosensor is referred to as optical biosensor.

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