Biosensor
First Claim
Patent Images
1. A biosensor comprising:
- a proximal end and a distal end;
a first layer comprising a first side edge having a first length and a second side edge opposite to the first side edge and having a second length, wherein the first and second lengths are different;
a second layer comprising a first side edge having a first length and a second side edge opposite to the first side edge and having a second length, wherein the first and second lengths are different;
the first and second layers fixed together by a third layer;
the proximal end having a tapered part;
a working electrode provided on the first layer and a counter electrode provided on the second layer, wherein the tip part of the working electrode is provided on the tapered part, and wherein the leads from the working and counter electrodes extend from the tapered part to the distal end,the biosensor further comprising a reference electrode and a tip part of the reference electrode is provided on the tapered part.
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Abstract
A biosensor comprises a space part for sucking and housing a sample formed of two upper and lower plates, the two plates being stuck together by an adhesive layer, the space part for sucking and housing the sample being constituted so as to be partially opened in the peripheral part and partially closed by the adhesive layer, and has a working electrode having at least glucose oxidase immobilized thereon and a counter electrode on the same plane of the plate.
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Citations
17 Claims
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1. A biosensor comprising:
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a proximal end and a distal end; a first layer comprising a first side edge having a first length and a second side edge opposite to the first side edge and having a second length, wherein the first and second lengths are different; a second layer comprising a first side edge having a first length and a second side edge opposite to the first side edge and having a second length, wherein the first and second lengths are different; the first and second layers fixed together by a third layer; the proximal end having a tapered part; a working electrode provided on the first layer and a counter electrode provided on the second layer, wherein the tip part of the working electrode is provided on the tapered part, and wherein the leads from the working and counter electrodes extend from the tapered part to the distal end, the biosensor further comprising a reference electrode and a tip part of the reference electrode is provided on the tapered part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of measuring a concentration of an analyte in a subject, the method comprising:
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contacting body fluid of the subject with a biosensor to generate an electrical signal, the biosensor comprising; a proximal end and a distal end; a first layer comprising a first side edge having a first length and a second side edge opposite to the first side edge and having a second length, wherein the first and second lengths are different; a second layer comprising a first side edge having a first length and a second side edge opposite to the first side edge and having a second length, wherein the first and second lengths are different; the first and second layers fixed together by a third layer; the proximal end having a tapered part; a working electrode provided on the first layer and a counter electrode provided on the second layer, wherein the tip part of the working electrode is provided on the tapered part, and wherein the leads from the working and counter electrodes extend from the tapered part to the distal end, the biosensor further comprising a reference electrode and a tip part of the reference electrode is provided on the tapered part; and determining from the generated electrical signal a concentration of an analyte in body fluid. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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Specification