EP0513804A2
Expired / Lapsed
EP
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Biosensor and method of quantitative analysis using the same
Assignee: Arkray Inc
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Filing: 1992-05-15
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Granted: —
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Expires: 2012-05-15
Abstract
Abstract 57 A biosensor which electrochemically detects a material which relates to a reaction of a specific compound in a liquid sample with a biologically active substance or its related substance, in which the biologically active material or an optionally used mediator is placed at a part which is remote from a position of an electrode which acts as electrochemical detector means, and optionally the biological active material or the mediator is covered with a polymer layer.
Inventors
- 👤 Harumi Uenoyama
- 👤 Hisashi Okuda
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 01:20
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/001; C12Q1/004; Y; Y10; Y10S; Y10S435/00; Y10S435/817
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
54 words
A biosensor which electrochemically detects a material which relates to a reaction of a specific compound in a liquid sample with a biologically active substance or its related substance, wherein the biologically active material is placed at a part which is remote from a position of an electrode which acts as electrochemical detector means.
Claim 2
Dependent Claim
54 words
A biosensor which electrochemically detects a material which relates to a reaction of a specific compound in a liquid sample with a biologically active substance or its related substance, wherein the biologically active material is placed at a part which is remote from a position of an electrode which acts as electrochemical detector means.
Claim 3
Dependent Claim
35 words
The biosensor according to claim 1, which comprises a mediator which is placed at a part which is remote from said position of said electrode together with said biologically active substance or its related substance.
Claim 4
Dependent Claim
16 words
The biosensor according to claim 1, which comprises a mediator which is provided on said electrode.
Claim 5
Dependent Claim
23 words
The biosensor according to claim 1, wherein said biologically active substance or its related substance is bound with a hydrophilic polymer and placed.
Claim 6
Dependent Claim
18 words
The biosensor according to claim 3, wherein said mediator is covered with a layer of a hydrophilic polymer.
Claim 7
Dependent Claim
14 words
The biosensor according to claim 1, wherein said biologically active substance is an enzyme.
Claim 8
Dependent Claim
12 words
The biosensor according to claim 6, wherein said enzyme is an oxidoreductase.
Claim 9
Dependent Claim
154 words
A method of quantitative analysis of a material which relates to a reaction of a specific compound in a liquid sample with the biologically active substance or its related substance, the method comprising supplying said liquid sample to a biosensor as claimed in claim 1, reading at least two electrochemical signals from the liquid sample, which are an electrochemical signal at the supply of the sample relating to an electrochemically active substance present in the sample but not to a biologically active substance or its related substance and an electrochemical signal after a sufficient time from the supply of the sample relating to both the biologically active substance or its related substance and the electrochemically active substance present in the sample and operating both signals, whereby the substance which specifically reacts with the biologically active substance or its related substance and the electrochemically active substance present in the sample are separated and quantitatively analyzed.
References Cited (Backward Citations)
No citation records indexed.
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