M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Physics (Spl in Biosensor)
BIOELECTRONICS
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Define current-voltage in PN junction.
2. Draw MOS C-V Characteristics.
3. Define Potentimetric sensor
4. Write any two points about enzyme field effect transistor.
5. Write brief notes on bimolecular computer.
6. Define biological monitoring.
7. Define polarisable electrodes.
8. What is DNA?
9. Define neuro bioengineering.
10. Write short notes on silicon neurons.
Sub. Code
522103
RW-939
2
ws2
Part B x 5 25)
Answer all questions, choosing either or
11. Explain about effect of the bias PN junction.
Or
Give a short notes on characteristics of pm junction.
12. Write notes on transducer.
Or
Write in detailed about sensor of cell metabolism.
13. Explain about ion molecular switches.
Or
Write brief notes on molecular wires.
14. Describe about electrode behaviour of circuit
method.
Or
Detailed explanation about body surface recording
electrode array.
15. Hodgkin and Huxley equivalent circuits.
Or
Write notes on neuro electronic junctions.
RW-939
3
ws2
Part C x 10 30)
Answer any three questions.
16. Discuss in detail about capacitance-voltage
17. Describe about cell based biosensor.
18. Discuss in detail about molecular arrays as memory
stores.
19. Explain about microelectrodes for electric stimulation of
tissues.
20. Discuss in detail about synapses.
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