Model of a conductimetric urea sensor

A model for predicting the response of a conductimetric urea sensor was developed and tested. The biosensor under consideration is formed by immobilizing the enzyme urease onto the surface of a planar interdigitated electrode array. The analysis combines a mass transport model with an electromagneti...

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Bibliographic Details
Main Authors: Mears, D.J., Sheppard, N.F., Anderson, C.T.
Format: Conference Proceeding
Language:English
Subjects:
Biochemistry
Biosensors
Conductivity
Electrodes
Electromagnetic analysis
Electromagnetic fields
Electromagnetic modeling
Predictive models
Sensor arrays
Surface impedance
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Summary:A model for predicting the response of a conductimetric urea sensor was developed and tested. The biosensor under consideration is formed by immobilizing the enzyme urease onto the surface of a planar interdigitated electrode array. The analysis combines a mass transport model with an electromagnetic fields model for calculating interelectrode impedance. The calibration curve resulting from the model predictions was in good agreement with experimental data using a single adjustable parameter.
DOI:10.1109/IEMBS.1993.979300