Reference electrode, a biosensor and a measuring apparatus therewith
First Claim
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1. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
- wherein the vinyl polymer is a homopolymer or copolymer of one or more monomers selected from the group consisting of unsaturated hydrocarbons, unsaturated carboxylic acids and unsaturated alcohols.
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Abstract
On an insulating substrate 1 is formed an electrode 2, on which is then formed a protection layer 3 consisting of a methacrylate-resin polyfluoroalcohol ester layer.
202 Citations
62 Claims
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1. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
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wherein the vinyl polymer is a homopolymer or copolymer of one or more monomers selected from the group consisting of unsaturated hydrocarbons, unsaturated carboxylic acids and unsaturated alcohols. - View Dependent Claims (2, 3, 4, 5, 6)
(a) a timer;
(b) a time setting means for setting a time and a time indicator indicating a time at the time set by the time setting means;
(c) an operation guide means describing operation instructions for the measuring apparatus;
(d) a measured-value storing means for storing a calculated measured value;
(e) a password registration means for registering a password for a user of the measuring apparatus;
(f) a memo registration means for registering a memo;
(g) an operation indicator for detecting malfunction in the measuring apparatus;
(h) a calibration-timing indicator for detecting and indicating a calibration timing for the biosensor;
(i) an electrode-replacement-timing indicator for detecting and indicating a replacement timing for the electrode in the biosensor;
(j) an abnormal-current indicator for detecting and indicating an abnormal current; and
(k) a calibrator for calibrating the biosensor.
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7. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
wherein the vinyl polymer is a polycarboxylic acid.
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8. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
wherein the fluoroalkylene block is attached to the vinyl polymer via an ester group.
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9. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
wherein the fluorine content represented by x/(x+y) in the pendant group is 0.3 to 1, where x and y are the numbers of fluorine and hydrogen atoms in the pendant group, respectively.
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10. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
wherein the pendant group has 3 to 15 carbon atoms.
- 11. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polycarboxylic acid (A) fluoroalcohol ester.
- 25. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polycarboxylic acid (A) fluoroalcohol ester and a polycarboxylic acid (B) alkylalcohol ester.
- 42. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polycarboxylate comprising alkylalcohol ester and fluoroalcohol ester groups.
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57. A reference electrode comprising an electrode on an insulating substrate and a protection layer covering the electrode, said protection layer consisting essentially of a polymer in which a pendant group containing at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer;
wherein the electrode is a silver/silver chloride electrode.
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58. A method for manufacturing a reference electrode comprising the steps of:
- forming an electrode on an insulating substrate; and
applying a liquid containing a polymer in which a pendant group having at least a fluoroalkylene block is attached to a non-fluorinated vinyl polymer, to the electrode directly or via another layer and then drying it to form a protection layer. - View Dependent Claims (59, 60, 61, 62)
- forming an electrode on an insulating substrate; and
Specification