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Biosensor?
I want to make a biosensor of for glucose measurement. The aim is to develop a method for blood glucose measurement by measuring the impedance of glucose solution of various concentration. Suggest how can I measure impedance of a glucose solution and study variation of impedance with the concetration
Comments
3 years ago
Blood Glucose testers work by analysing the change in resistence over a fixed time of a fixed size sample impregnated with an enzyme that oxidises glucose at a known rate.
Unfortunately, simply measuring the resistance without the enzyme is not likely to work.
8 years ago
Do you mean impedance or resistance?
Impedance =essentially resistance to achieve
You need to experiment to see what sort of range your getting.
I would expect you will need to amplify the signal any way using an open amp . But the sensor needs to be little other than 2probes