WO2020059997A1 - 전이금속 복합체를 포함하는 산화-환원 고분자 및 이를 이용한 전기화학적 바이오센서 - Google Patents
전이금속 복합체를 포함하는 산화-환원 고분자 및 이를 이용한 전기화학적 바이오센서 Download PDFInfo
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- 0 C*CC(*C)c1ccncc1 Chemical compound C*CC(*C)c1ccncc1 0.000 description 1
- ARMMGWZEBIQBPD-UHFFFAOYSA-N C[n]1c(-c2ncc[nH]2)ncc1 Chemical compound C[n]1c(-c2ncc[nH]2)ncc1 ARMMGWZEBIQBPD-UHFFFAOYSA-N 0.000 description 1
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- C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
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- C08G65/32—Polymers modified by chemical after-treatment
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/334—Polymers modified by chemical after-treatment with organic compounds containing sulfur
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- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/001—Enzyme electrodes
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/001—Enzyme electrodes
- C12Q1/004—Enzyme electrodes mediator-assisted
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/001—Enzyme electrodes
- C12Q1/005—Enzyme electrodes involving specific analytes or enzymes
- C12Q1/006—Enzyme electrodes involving specific analytes or enzymes for glucose
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
- C12Q1/32—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase involving dehydrogenase
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
- G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
- G01N27/3272—Test elements therefor, i.e. disposable laminated substrates with electrodes, reagent and channels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
- G01N27/3275—Sensing specific biomolecules, e.g. nucleic acid strands, based on an electrode surface reaction
- G01N27/3277—Sensing specific biomolecules, e.g. nucleic acid strands, based on an electrode surface reaction being a redox reaction, e.g. detection by cyclic voltammetry
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic System
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic System compounds of the platinum group
- C07F15/002—Osmium compounds
- C07F15/0026—Osmium compounds without a metal-carbon linkage
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- C08F2810/00—Chemical modification of a polymer
Definitions
- the present invention relates to an oxidation-reduction polymer containing a transition metal complex and a method for manufacturing the transition metal complex, which can be manufactured in a simple step compared to the conventional one, and the immobilization rate of the transition metal complex is increased and introduction of a functional group or a linker is easy. will be.
- biosensors using enzymes are chemical sensors that are used to selectively detect chemical substances contained in samples by using biological detection functions, such as functional substances of microorganisms or microorganisms that react sensitively with specific substances. It was developed for medical measurement applications such as sensors, and other fields of application in food engineering and environmental measurement are also actively researched.
- the development trend of the blood glucose sensor is instead of 00, where oxygen is involved in the enzyme reaction with glucose in the blood, in order to block the change in the measurement according to the difference in the oxygen partial pressure (1) 0 2 ) that varies depending on the blood (intravenous blood, capillary blood, etc.) Oxygen is excluded from the enzymatic reaction It is being switched to use, and in the case of electron transport media, the stability due to humidity is sensitive. A quinone derivative with excellent stability according to humidity
- organometallic compounds such as osmium complexes.
- the biosensor using this electron transport medium Due to its high redox stability, the biosensor using this electron transport medium is easy to manufacture and store, and has a merit of high stability due to a small change in background current even after long-term storage, but it is commercially useful because it does not match reactivity with FAD-GDH.
- the disadvantage is that it is difficult to manufacture with a sensor.
- the continuous glucose monitoring (CGM) system is used to continuously monitor blood sugar to manage diseases such as diabetes.
- CGM continuous glucose monitoring
- Existing enzyme sensors that collect blood from the fingertips suffer considerable pain due to needles during blood collection. Because it limits the frequency of measurement
- N-hydroxysuccinimide N-hydroxysuccinimide
- NHS active ester
- the present invention has been devised to solve the above problems, and the object of the present invention is that it can be prepared in a simple step compared to the existing, the immobilization rate of the transition metal complex is increased and the introduction of functional groups or linkers is easy. , To provide an oxidation-reduction polymer containing a transition metal complex and a method for manufacturing the same. Another object of the present invention is to provide a electrochemical biosensor comprising an oxidation-reduction polymer comprising a transition metal complex.
- the present invention is a simple synthesis and improved transition metal complex using a click reaction such as a cycloaddition reaction using a copper catalyst and azide-alkyne cycle using heat and a thiol-ene reaction using light. It provides an oxidation-reduction polymer and an electrochemical biosensor, such as a blood sugar sensor, comprising a transition metal complex that exhibits an immobilization rate of and is easy to introduce additional functional groups or linkers.
- the oxidation-reduction polymer comprising the transition metal complex according to the present invention is polyvinylpyridine (1 > 0 ⁇ (11> 3 ⁇ 4) 11 ⁇ : or polyvinylimidazole (1) 017 (11> 3 ⁇ 41111 ( ⁇ 2: 01 ⁇ :) Same polymer backbone) and ⁇ Transition metal complexes including transition metals such as osmium, ruthenium, iridium, rhodium, iron, and cobalt, and ligands thereof, and linker structures linking the polymer backbone and transition metal complexes It includes, and specifically has the following formula 1 to 4 structure: 2020/059997 1 »(: 1/10 ⁇ 019/006000
- M is 0, parent 11, Selected from the group consisting of
- the III, parent 2 and ⁇ 1 are each independently substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, substituted or unsubstituted alcohol group having 1 to 20 carbon atoms, substituted or unsubstituted alkyl halogen having 1 to 20 carbon atoms.
- a substituted or unsubstituted thiol group having 1 to 20 carbon atoms a substituted or unsubstituted alkyl azide group having 3 to 20 carbon atoms, a substituted or unsubstituted aryl azide group having 7 to 30 carbon atoms, substituted or unsubstituted
- An alkenyl group having 2 to 40 carbon atoms a substituted or unsubstituted alkynyl group having 2 to 40 carbon atoms, a cyano group, a halogen group, deuterium, and hydrogen;
- the 113 to 1120 are each independently substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, substituted or unsubstituted cycloalkyl group having 3 to 40 carbon atoms, substituted or unsubstituted aryl group having 6 to 50 carbon atoms, substituted or unsubstituted Heteroaryl group having 3 to 50 carbon atoms, substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, substituted or unsubstituted alcohol group having 1 to 20 carbon atoms, substituted or unsubstituted alkylhalogen group having 1 to 20 carbon atoms , Substituted or unsubstituted thiol having 1 to 20 carbon atoms, substituted or unsubstituted 3 to 20 carbon atoms
- the show line is a primary and secondary amine group, ammonium group, halogen group, epoxy group, 2020/059997 1 »(: 1 ⁇ 1 ⁇ 2019/006000
- Azide groups acrylate groups, alkenyl groups, alkynyl groups, thiol groups, isocyanates, alcohol groups, and silane groups;
- X is a counter ion
- A is an integer from 1 to 15;
- B is an integer from 1 to 15;
- C is an integer from 1 to 15;
- M is an integer from 10 to 600;
- N is an integer from 10 to 600;
- the o is an integer from 0 to 600.
- Oxidation-reduction polymers comprising the transition metal complex provided in the present invention have a unique linker structure, so that the synthesis step is reduced compared to the existing one, and thus can be prepared in a simple step, and the immobilization rate of the transition metal complex is increased. It has the advantage of being easy to introduce functional groups or linkers.
- the oxidation-reduction polymer comprising the transition metal complex provided in the present invention has three kinds of bidentate ligands. Therefore, such an electrochemical biosensor comprising an oxidation-reduction polymer, preferably a continuous blood glucose monitoring sensor, is economical in manufacturing, and has a merit of significantly reducing toxicity and side effects due to transition metals and high yield in manufacturing.
- An example of the present invention is an electrochemical biosensor produced by applying an enzyme capable of oxidizing and reducing a liquid biosample to an oxidation-reduction polymer having the formulas 1 to 4 on a substrate having at least two electrodes, followed by drying. It is about.
- the electrode include a working electrode and a counter electrode.
- an enzyme and a transition metal polymer may be applied to or placed close to the working electrode.
- biosensors for measuring glucose as an applicable example of an electrochemical biosensor, but by different types of enzymes included in the reagent composition of the present invention, cholesterol, lactate, creatinine, hydrogen peroxide, It can be applied to biosensors for the quantitation of various substances such as alcohol, amino acids and glutamate. 2020/059997 9 1 »(: 1 ⁇ 1 ⁇ 2019/006000
- the counterion of the above is an anion, for example, halide, sulfate, phosphate, which can be selected from the group consisting of people (: 1, and I) , Nuclear tetrafluorophosphate, tetrafluoroborate, or cation (preferably a monovalent cation), for example, one selected from lithium, sodium, potassium, tetraalkylammonium and ammonium. More preferably, X may be chloride. Preferably, it may be an integer from 2 to 10.
- it may be an integer from 2 to 10.
- the 0 may be an integer from 2 to 10.
- the III may be an integer of 15 to 550.
- the II may be an integer of 15 to 550.
- the 0 may be an integer from 0 to 300.
- the oxidation according to the present invention is to reduce the polymer medium be one having a structure represented by the following formula 8 or 9 are not limited thereto.
- the transition metal complex in the redox polymer having a structure selected from Formulas 1 to 4 according to the present invention is specifically an osmium complex, for example 2020/059997 1 1 1 »(: 1/10 ⁇ 019/006000
- it may include a trivalent osmium complex and a divalent osmium complex, preferably an oxidized compound (trivalent Os compound).
- the oxidizing agent used in the oxidation treatment of the present invention is not particularly limited, and specific examples
- the transition metal complex according to the present invention may be in a salt form having suitable counter ions and ions, and the salt compound is more preferable because it has high solubility in water or other aqueous solutions or organic solvents.
- the salt compounds when composed of small counter anions such as F, Cr, and Br, they tend to dissolve well in water or various aqueous solutions, and I, nuclear counters such as fluorophosphates (PF 6 0 and tetrafluoroborate (BF 4 )) Groups of negative ions tend to dissolve well in organic solvents, so the counter anions are halides, which can be selected from the group consisting of F, C1, Br and I.
- the oxidation-reduction polymer according to the present invention can be synthesized by reacting a polymer skeleton and a transition metal complex by a click reaction.
- the compound according to Formula 1 among the oxidation-reduction polymers according to the present invention is an azide-alkyne whisgen cyclone as follows.
- the compound of Formula 2 is the following thiol-ene reaction (! 3 ⁇ 4 0 1- It can be prepared by, it can be represented according to Scheme 2, but is not limited thereto.
- polyvinylpyridine or polyvinylimidazole may be functionalized to be a polyvinylpyridine or polyvinylimidazole precursor.
- the functionalized polyvinylpyridine or polyvinylimidazole precursor may have a structure of Formula 10 or Formula 11, respectively. 2020/059997 1 »(: 1/10 ⁇ 019/006000
- 3 ⁇ 4 are each independently a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted alcohol group having 1 to 20 carbon atoms, a substituted or unsubstituted alkylhalogen group having 1 to 20 carbon atoms.
- the functionalized polyvinylpyridine or polyvinylimidazole precursor can be synthesized, for example, as shown in Scheme 3 below.
- the transition metal complex can be functionalized.
- the present invention relates to a method for preparing an oxidation-reduction polymer of Formula 1 or 2 comprising the following steps:
- the specific aspect of each step is as described above.
- the transition metal complex of the oxidation-reduction polymer according to the present invention not only enables accurate, reproducible, rapid and continuous analysis of the target substance, but also can be produced in a simple and economical high yield, and the transition metal leak It has the advantage that the toxicity or side effects that can occur are significantly lower.
- the oxidation-reduction polymer according to the present invention is applied to a working electrode or
- a further aspect of the present invention relates to a composition for an electrochemical biosensor comprising an enzyme capable of redoxing a liquid biosample and the oxidation-reduction polymer.
- Oxidation-reductase refers to an enzyme that catalyzes a redox reaction in a living body. In the present invention, it refers to an enzyme that is reduced by reacting with a target substance to be measured, such as a biosensor. The reduced enzyme reacts with the electron transport medium and quantifies the target substance by measuring signals such as current change.
- Redox enzymes that can be used in the present invention include various dehydrogenases ((1 7 (11'0 ⁇ 61 86), oxidase (0 nin (8 ⁇ , esterification) It may be one or more selected from the group consisting of, and, depending on the redox or detection target substance, belongs to the enzyme group 2020/059997 1 »(: 1 ⁇ 1 ⁇ 2019/006000
- an enzyme using the target substance as a substrate can be selected and used.
- the redox enzymes include glucose dehydrogenase, glutamate dehydrogenase, and glutamate dehydrogenase.
- Glucose oxidase, cholesterol oxidase, cholesterol esterase, lactate oxidase, ascorbic acid oxidase, alcohol oxidase ), Alcohol dehydrogenase (alcohol dehydrogenase), bilirubin oxidase (bilirubin oxidase) may be at least one selected from the group consisting of.
- the oxidoreductase may include a cofactor that serves to store hydrogen taken from the oxidoreductase from the target substance (eg, target substance) to be measured, for example, flavin adenine dinucleo It may be one or more selected from the group consisting of tart (flavin adenine dinucleotide, FAD), nicotinamide adenine dinucleotide (NAD), pyrroloquinoline quinone (PQQ), and the like.
- a cofactor that serves to store hydrogen taken from the oxidoreductase from the target substance (eg, target substance) to be measured, for example, flavin adenine dinucleo It may be one or more selected from the group consisting of tart (flavin adenine dinucleotide, FAD), nicotinamide adenine dinucleotide (NAD), pyrroloquinoline quinone (PQQ), and the like.
- glucose dehydrogenase As a redox enzyme, glucose dehydrogenase (GDH) can be used, and the glucose dehydrogenase is flavin adenine dinucleotide-glucose dehydrogenase (FAD-GDH) containing FAD as a cofactor. ), And / or nicotinamide adenine dinucleotide-glucose dehydrogenase containing FAD-GDH as a cofactor.
- GDH glucose dehydrogenase
- FAD-GDH flavin adenine dinucleotide-glucose dehydrogenase
- FAD-GDH flavin adenine dinucleotide-glucose dehydrogenase
- the usable oxidoreductases are FAD-GDH (eg, EC 1.1.99.10, etc.), NAD-GDH (eg, EC 1.1.1.47, etc.), PQQ-GDH (eg, EC1.1.5.2, etc.) , Glutamic acid dehydrogenase (eg, EC 1.4.1.2, etc.), glucose oxidase (eg, EC 1.1.3.4, etc.), cholesterol oxidase (eg, EC 1.1.3.6, etc.),
- Cholesterol esterase e.g. EC 3.1.1.13, etc.
- lactate oxidase e.g. EC 3.1.1.13, etc.
- bilirubin oxidase eg, EC 1.3.3.5, etc.
- composition according to the present invention may contain 20 to 700 parts by weight of an oxidation-reduction polymer, for example, 60 to 700 parts by weight or 30 to 340 parts by weight based on 100 parts by weight of an oxidoreductase.
- the content of the oxidation-reduction polymer is
- composition according to the present invention may further include a crosslinking agent.
- the composition according to the present invention is a surfactant, a water-soluble polymer, a quaternary ammonium salt, a fatty acid, a thickener, etc.
- the surfactant may serve to cause the composition to spread evenly over the electrode and dispense at a uniform thickness.
- the surfactant is selected from the group consisting of Triton X-100, sodium dodecyl sulfate, perfluorooctane sulfonate, sodium stearate, etc. More than one species can be used.
- the reagent composition according to the present invention when the reagent is dispensed so that the reagent spreads evenly on the electrode to properly perform the role of dispensing the reagent to a uniform thickness, the surfactant is based on 100 parts by weight of the redox enzyme 3 To 25 parts by weight, for example, 10 to 25 parts by weight.
- a redox enzyme having an activity of 700 U / mg it may contain 10 to 25 parts by weight of a surfactant based on 100 parts by weight of the redox enzyme, and when the activity of the redox enzyme is higher than this, the content of the surfactant You can adjust it lower than this.
- the water-soluble polymer may serve to help stabilize and disperse the enzyme as a polymer support for the reagent composition.
- the water-soluble polymer includes polyvinyl pyrrolidone (PVP),
- Reagent composition according to the present invention in order to neutralize and properly play a role of helping the stabilization and dispersion (dispersing) of oxidoreductase, 10 to 70 parts by weight of the water-soluble polymer based on 100 parts by weight of redox enzyme, For example, it may contain 30 to 70 parts by weight.
- a redox enzyme having an activity of 700 U / mg it may contain 30 to 70 parts by weight of the water-soluble polymer based on 100 parts by weight of the redox enzyme, and when the activity of the redox enzyme is higher than this, the water-soluble polymer content Can be adjusted lower than this.
- the water-soluble polymer stabilizes and disperses the support and the enzyme
- the weight average molecular weight may be about 2,500 to 3,000,000, for example, about 5,000 to 1,000,000 in order to effectively perform dynamics that help (dispersing).
- the thickener serves to firmly attach the reagent to the electrode.
- the thickener at least one selected from the group consisting of natrosol, diethylaminoethyl-textran hydrochloride, and the like can be used.
- the electrochemical sensor according to the present invention in order to ensure that the redox polymer according to the present invention is firmly attached to the electrode, 10 to 90 parts by weight based on 100 parts by weight of the redox enzyme, such as 30 to 90 parts by weight It can be contained in an amount of wealth.
- the activity is 700 U / mg
- an oxidoreductase When using an oxidoreductase, it may contain 30 to 90 parts by weight of a thickener based on 100 parts by weight of the oxidoreductase, and when the activity of the oxidoreductase is higher than this, the content of the thickener can be adjusted lower.
- the present invention provides an electrochemical biosensor comprising the redox polymer.
- the type of the electrochemical biosensor is not limited, but may preferably be a continuous blood glucose monitoring sensor.
- it may include an electrode, an insulator, a substrate, a sensing layer including the oxidation-reduction polymer and an oxidoreductase, a diffusion layer, a protection layer, and the like.
- an electrode two types of electrodes such as a working electrode and a counter electrode may be included, and three types of electrodes such as a working electrode, a counter electrode and a reference electrode may be included.
- the biosensor on a substrate having at least two, preferably two or three electrodes, is liquid with an oxidation-reduction polymer having the formula (1) or (2) above.
- an electrochemical biosensor produced by applying and drying a reagent composition containing an enzyme capable of redoxing a biological sample.
- a working electrode and a counter electrode are provided on opposite sides of a substrate, and a sensing film containing the oxidation-reduction polymer according to the present invention is stacked on the working electrode, and the working electrode and the counter electrode
- a planar electrochemical biosensor is provided in which an insulator, a diffusion film and a protective film are sequentially stacked on both sides of the provided substrate.
- the substrate is PET (polye ⁇ lylene tereph ⁇ lalate),
- PC polycarbonate
- Pl polyimide
- the working electrode may be a carbon, gold, platinum, silver or silver / silver chloride electrode.
- the counter electrode functions as a reference electrode
- gold, platinum, silver or silver / silver chloride electrodes can be used as the counter electrode, and the three electrodes including the reference electrode can also be used.
- a gold electrode, a platinum electrode, a silver electrode, or a silver / silver chloride electrode can be used as a reference electrode
- a carbon electrode can be used as a counter electrode.
- Nafion, cellulose acetate, and silicone rubber may be used as the diffusion film, and silicone rubber, polyurethane, and polyurethane-based copolymer may be used as the protective film, but is not limited thereto.
- silver chloride or silver may be used because the counter electrode acts as a reference electrode.
- silver or silver chloride is used as the reference electrode, and a carbon electrode can be used as the counter electrode.
- the oxidation-reduction polymer according to the present invention is economical due to the small number of process steps during production, the immobilization rate of the transition metal complex is increased, and the introduction of functional groups or linkers is easy, so that the electrochemical biosensor applied thereto is simple, quick to detect and economical There is an advantage.
- FIG. 1 is a view showing the structure of a biosensor according to an embodiment of the present invention.
- FIG. 2 is a graph showing the results of measuring a circulating voltage current curve using a compound of Formula 8 and a single 03 complex, which is an oxidation-reduction polymer for electron transport mediators according to the present invention.
- the organic disease is concentrated under reduced pressure to remove the solvent, and ethyl acetate and nucleic acid are removed.
- a 100 mL 3-neck round bottom flask was equipped with a reflux condenser, gas inlet and thermometer, and 2 g (13 mmol) of N, N'-methyl- 2,2'-biimidazole,
- a working electrode, a reference electrode, and an opposite electrode were connected to the degassed solution, and electrical signal changes according to voltage changes were measured under argon.
- EmStat P almS ens Co.
Abstract
Description
Claims
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US17/276,760 US20210347926A1 (en) | 2018-09-18 | 2019-05-09 | Oxidation-reduction polymer including transition metal complex, and electrochemical biosensor using same |
EP19862947.9A EP3854827B1 (en) | 2018-09-18 | 2019-05-09 | Oxidation-reduction polymer including transition metal complex, and electrochemical biosensor using same |
JP2021514521A JP7083069B2 (ja) | 2018-09-18 | 2019-05-09 | 遷移金属複合体を含む酸化-還元高分子およびこれを利用した電気化学的バイオセンサ |
AU2019341169A AU2019341169B2 (en) | 2018-09-18 | 2019-05-09 | Oxidation-reduction polymer including transition metal complex, and electrochemical biosensor using same |
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KR102589294B1 (ko) * | 2021-08-03 | 2023-10-13 | 단국대학교 천안캠퍼스 산학협력단 | 작동전극, 이의 제조방법 및 이를 포함하는 바이오센서 및 생체연료전지 |
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US20220025114A1 (en) | 2022-01-27 |
US20210347926A1 (en) | 2021-11-11 |
EP3854827A4 (en) | 2022-07-06 |
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