18 Questions
What is a common method used for the immobilization of bioreceptors in biosensors?
Physical entrapment
How is chemical attachment of bioreceptors to the transducer surface typically achieved?
Via covalent bonding
Why is only minute quantities of bioreceptor molecules needed in biosensors?
To enable the reuse of the bioreceptor molecules
Which enzyme is commonly used as a bioreceptor in glucose biosensors?
Glucose oxidase
What type of transducer converts oxygen concentration into electrical current in biosensors?
Oxygen sensor
Which of the following is NOT a possible transducer for glucose measurement according to the text?
Temperature sensor
What is the primary function of a bioreceptor in a biosensor?
To generate a signal upon interaction with an analyte
Which of the following is not an example of a bioreceptor?
Transistors
What is the role of a transducer in a biosensor?
To convert the biorecognition event into a measurable signal
Which of the following is a common output of a transducer in a biosensor?
All of the above
What does the electronics part of a biosensor do?
Processes the transduced signal
What is the purpose of the display in a biosensor?
To present the results of the biosensor in a user-friendly manner
What is the role of a bioreceptor in a biosensor?
To interact with the analyte under study
What is the purpose of a transducer in a biosensor?
To convert the signal from biological target to electrical signal
What type of element is a bioreceptor?
Biological
What is the function of the electrical interfaces in a biosensor?
To transform the signal into electrical signal form
What is a transducer in general terms?
A device that converts energy from one form to another
What is the role of the electronic system in a biosensor?
To amplify and detect the electrical signal
Test your knowledge on the basic principles of biosensors, including the conversion of biological recognition elements to electrical signals. Learn about transducers and their role in converting biological targets into electrical signals for analysis.
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