Multi-biosensor for GPT and got activity
First Claim
1. A biosensor comprising:
- an insulating substrate;
a reference electrode formed on the insulating substrate;
first and second working electrodes formed on one side of the insulating substrate having the reference electrode formed thereon;
third and fourth working electrodes formed on the same plane of the insulating substrate but parallel to the first and second working electrodes centered on the reference electrode;
first, second, third and fourth carbon paste layers formed on the first, second, third and fourth working electrodes respectively;
first and second enzyme/polymer carbon paste layers formed on the first and second carbon paste layers respectively;
first and second non-enzyme/polymer carbon paste layers formed on the third and fourth carbon paste layers respectively;
an amino acid/polymer paste layer for making an enzymatic reaction with Glutamate Pyruvate Transaminase (GPT) formed covering the first enzyme/polymer carbon paste layer and the first non-enzyme/polymer carbon paste layer; and
,an amino acid/polymer paste layer for making an enzymatic reaction with Glutamate Oxaloacetate Transaminase (GOT) formed covering the second enzyme/polymer carbon paste layer and the second non-enzyme/polymer carbon paste layer.
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Abstract
Multi-biosensor in which only one enzyme is used for handy and simultaneous measurement of GPT and GOT activities, and a method for fabricating the multi-biosensor, are disclosed, the biosensor including an insulating substrate; a reference electrode formed on the insulating substrate; first and second working electrodes formed on one side of the insulating substrate having the reference electrode formed thereon; third and fourth working electrodes formed on the other side of the insulating substrate having the reference electrode formed thereon opposite to the first and second working electrodes centered on the reference electrode; first, second, third and fourth carbon paste layers formed on the first, second, third and fourth working electrodes respectively; first and second enzyme/polymer carbon paste layers formed on the first and second carbon paste layers respectively; first and second non-enzyme/polymer carbon paste layers formed on the third and fourth carbon paste layers respectively; an amino acid/polymer paste layer for making an enzymatic reaction with GPT formed extended to the first enzyme/polymer carbon paste layer and the first non-enzyme/polymer carbon paste layer; and, an amino acid/polymer paste layer for making an enzymatic reaction with GOT formed extended to the second enzyme/polymer carbon paste layer and the second non-enzyme/polymer carbon paste layer.
236 Citations
20 Claims
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1. A biosensor comprising:
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an insulating substrate; a reference electrode formed on the insulating substrate; first and second working electrodes formed on one side of the insulating substrate having the reference electrode formed thereon; third and fourth working electrodes formed on the same plane of the insulating substrate but parallel to the first and second working electrodes centered on the reference electrode; first, second, third and fourth carbon paste layers formed on the first, second, third and fourth working electrodes respectively; first and second enzyme/polymer carbon paste layers formed on the first and second carbon paste layers respectively; first and second non-enzyme/polymer carbon paste layers formed on the third and fourth carbon paste layers respectively; an amino acid/polymer paste layer for making an enzymatic reaction with Glutamate Pyruvate Transaminase (GPT) formed covering the first enzyme/polymer carbon paste layer and the first non-enzyme/polymer carbon paste layer; and
,an amino acid/polymer paste layer for making an enzymatic reaction with Glutamate Oxaloacetate Transaminase (GOT) formed covering the second enzyme/polymer carbon paste layer and the second non-enzyme/polymer carbon paste layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for fabricating a biosensor comprising the steps of:
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providing an insulating substrate; forming a reference electrode on the insulating substrate; forming first and second working electrodes on one side of the insulating substrate having the reference electrode formed thereon; forming third and fourth working electrodes on the same plane of the insulating film but parallel to the first and second working electrodes centered on the reference electrode; forming first, second, third and fourth carbon paste layers on the first, second, third and fourth working electrodes, respectively; forming first and second enzyme/polymer carbon paste layers on the first and second carbon paste layers, respectively; forming first and second non-enzyme/polymer carbon paste layers on the third and fourth carbon paste layers respectively; forming an amino acid/polymer paste layer for enzymatic reaction with Glutamate Pyruvate Transaminase (GPT) covering the first enzyme/polymer carbon paste layer and the first non-enzyme/polymer carbon paste layer; and
,forming an amino acid/polymer paste layer for making an enzymatic reaction with Glutamate Oxaloacetate Transaminase (GOT) covering the second enzyme/polymer carbon paste layer and the second non-enzyme/polymer carbon paste layer. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification