Biosensor and method for producing the same
First Claim
Patent Images
1. A biosensor comprising:
- an electrically insulating base plate,an electrode system including a working electrode and a counter electrode which are provided on a principal face of said electrically insulating base plate,a reaction layer including at least an oxido-reductase, andan enclosure member having a hollow space constituting a sample supplying channel having a width which is less than the width of said electrode system on said electrically insulating base plate,wherein substantially the entire electrode system is located on the bottom of said hollow space and substantially the entire reaction layer is exposed to said hollow space.
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Abstract
A biosensor for quantification of a specific component contained in various biological samples comprises an electrically insulating base plate, an electrode system including a working electrode and a counter electrode which are provided on the electrically insulating base plate, a reaction layer formed on the electrode system including at least an oxido-reductase, and an enclosure member having a hollow space constituting a sample supplying channel on the electrically insulating base plate, wherein substantially the whole of the reaction layer is exposed to the hollow space.
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Citations
20 Claims
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1. A biosensor comprising:
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an electrically insulating base plate, an electrode system including a working electrode and a counter electrode which are provided on a principal face of said electrically insulating base plate, a reaction layer including at least an oxido-reductase, and an enclosure member having a hollow space constituting a sample supplying channel having a width which is less than the width of said electrode system on said electrically insulating base plate, wherein substantially the entire electrode system is located on the bottom of said hollow space and substantially the entire reaction layer is exposed to said hollow space. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for producing a biosensor comprising the steps of:
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forming an electrode system including a working electrode and a counter electrode on an electrically insulating base plate, partitioning said electrically insulating base plate to define a section wherein substantially the entire electrode system is to be exposed by combining an enclosure member with said electrically insulating base plate, and forming a reaction layer including at least an oxido-reductase only in said section defined in the previous step. - View Dependent Claims (10, 11, 12, 13)
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14. A method for producing a biosensor comprising the steps of:
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forming an electrode system including a working electrode and a counter electrode on an electrically insulating base plate, partitioning said electrically insulating base plate to define a section wherein substantially the entire electrode system is to be exposed by bringing a spacer into contact with said electrically insulating base plate, forming a reaction layer including at least an oxido-reductase only in said section defined in the previous step, and bringing a cover into contact with said spacer. - View Dependent Claims (15, 16, 17)
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18. A method for producing a biosensor comprising the steps of:
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forming an electrode system including a working electrode and a counter electrode on an electrically insulating base plate, partitioning said electrically insulating base plate to define a section wherein substantially the entire electrode system is to be exposed by bringing a spacer into contact with said electrically insulating base plate, forming a reaction layer comprising a carrier carrying at least an oxido-reductase only in said section defined in the previous step, and bringing a cover into contact with said spacer. - View Dependent Claims (19, 20)
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Specification