Chapter 34: Problem 2

Test your knowledge of biosensor design. List the two main functional components of biosensor such as the glucose electrode. Research a specific application - note that it should be different from the ones used in this chapter (e.g. using the Web).

Short Answer

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The two main functional components of a glucose electrode biosensor are the bioreceptor (such as the enzyme glucose oxidase) and the transducer (the electrode). One unique application of biosensors is in the field of environmental monitoring, specifically in water quality assessment, where biosensors with algal photosynthesis as bioreceptors are used to detect water pollutants.

Step by step solution

Identifying the Components of Biosensor

Biosensors, like the glucose electrode, consists of two main functional components: the bioreceptor (biological recognition element) and the transducer.

Describing the Function of The Bioreceptor

The bioreceptor is responsible for recognizing the target analyte. It often consists of proteins like enzymes or antibodies. In the case of a glucose biosensor, the bioreceptor is typically an enzyme such as glucose oxidase that specifically reacts with glucose.

Describing the Function of the Transducer

The transducer works to convert the bio-recognition event into a measurable signal. The transducer could be electrical, optical, piezoelectric, or thermal, based on the design of the biosensor. The electrode in a glucose biosensor is a type of electrical transducer.

Researching A Specific Application

One unique application of a biosensor is in the field of environmental monitoring, specifically in water quality assessment. For instance, biosensors using algal photosynthesis as the bioreceptor can be designed to monitor and detect water pollutants. Algae respond to various pollutants, like heavy metals, by altering their photosynthesis, which can be detected by an optical transducer.

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Test your knowledge of biosensor design. List the two main functional components of biosensor such as the glucose electrode. Research a specific application - note that it should be different from the ones used in this chapter (e.g. using the Web).

Short Answer

Step by step solution

Identifying the Components of Biosensor

Describing the Function of The Bioreceptor

Describing the Function of the Transducer

Researching A Specific Application

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