BE902067A - Werkwijze en inrichting voor het meten van enzymconcentraties. - Google Patents
Werkwijze en inrichting voor het meten van enzymconcentraties. Download PDFInfo
- Publication number
- BE902067A BE902067A BE0/214744A BE214744A BE902067A BE 902067 A BE902067 A BE 902067A BE 0/214744 A BE0/214744 A BE 0/214744A BE 214744 A BE214744 A BE 214744A BE 902067 A BE902067 A BE 902067A
- Authority
- BE
- Belgium
- Prior art keywords
- solution
- electrode
- graphite
- aqueous solution
- conductor
- Prior art date
Links
- 102000004190 Enzymes Human genes 0.000 title claims abstract description 20
- 108090000790 Enzymes Proteins 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000010439 graphite Substances 0.000 claims abstract description 29
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 29
- 241000894006 Bacteria Species 0.000 claims abstract description 12
- 230000002255 enzymatic effect Effects 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 9
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims description 8
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 5
- 230000005587 bubbling Effects 0.000 claims description 5
- 239000008103 glucose Substances 0.000 claims description 5
- 229910021645 metal ion Inorganic materials 0.000 claims description 5
- 229960000907 methylthioninium chloride Drugs 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 13
- 239000007864 aqueous solution Substances 0.000 claims 9
- 239000008151 electrolyte solution Substances 0.000 claims 3
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 claims 1
- 238000007654 immersion Methods 0.000 claims 1
- 239000002932 luster Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 230000002596 correlated effect Effects 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 210000003739 neck Anatomy 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 5
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 3
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 3
- 235000019796 monopotassium phosphate Nutrition 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 239000007836 KH2PO4 Substances 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 2
- 241001148470 aerobic bacillus Species 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 2
- 235000019797 dipotassium phosphate Nutrition 0.000 description 2
- 229910000396 dipotassium phosphate Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 2
- JVXHQHGWBAHSSF-UHFFFAOYSA-L 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;hydron;iron(2+) Chemical compound [H+].[H+].[Fe+2].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O JVXHQHGWBAHSSF-UHFFFAOYSA-L 0.000 description 1
- UOMQUZPKALKDCA-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OC(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UOMQUZPKALKDCA-UHFFFAOYSA-K 0.000 description 1
- 229920001817 Agar Polymers 0.000 description 1
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical class [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 229960001484 edetic acid Drugs 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- 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
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/18—Apparatus specially designed for the use of free, immobilized or carrier-bound enzymes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/36—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of biomass, e.g. colony counters or by turbidity measurements
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Immunology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62851484A | 1984-07-06 | 1984-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE902067A true BE902067A (nl) | 1985-07-16 |
Family
ID=24519209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/214744A BE902067A (nl) | 1984-07-06 | 1985-03-29 | Werkwijze en inrichting voor het meten van enzymconcentraties. |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS6125052A (de) |
| BE (1) | BE902067A (de) |
| DE (1) | DE3516230A1 (de) |
| FR (1) | FR2567268A1 (de) |
| GB (1) | GB2161274A (de) |
| LU (1) | LU85890A1 (de) |
| NL (1) | NL8500845A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8523631D0 (en) * | 1985-09-25 | 1985-10-30 | Pena Ltd Paul De | Bioelectrochemical cell |
| JPH0244646U (de) * | 1988-09-16 | 1990-03-27 | ||
| FR2675260B1 (fr) * | 1991-04-12 | 1994-10-21 | Aix Marseille Univers Droit Ec | Procede et appareil pour le dosage electrochimique d'un corps dans une solution. |
| US6565738B1 (en) | 1999-01-28 | 2003-05-20 | Abbott Laboratories | Diagnostic test for the measurement of analyte in abiological fluid |
-
1985
- 1985-03-22 NL NL8500845A patent/NL8500845A/nl not_active Application Discontinuation
- 1985-03-28 JP JP6496085A patent/JPS6125052A/ja active Pending
- 1985-03-29 BE BE0/214744A patent/BE902067A/nl not_active IP Right Cessation
- 1985-05-06 DE DE19853516230 patent/DE3516230A1/de not_active Withdrawn
- 1985-05-09 LU LU85890A patent/LU85890A1/de unknown
- 1985-05-15 FR FR8507425A patent/FR2567268A1/fr not_active Withdrawn
- 1985-06-06 GB GB8514285A patent/GB2161274A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB8514285D0 (en) | 1985-07-10 |
| FR2567268A1 (fr) | 1986-01-10 |
| GB2161274A (en) | 1986-01-08 |
| NL8500845A (nl) | 1986-02-03 |
| JPS6125052A (ja) | 1986-02-03 |
| DE3516230A1 (de) | 1986-02-06 |
| LU85890A1 (de) | 1986-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wehmeyer et al. | Electroanalytical properties of band electrodes of submicrometer width | |
| Yantasee et al. | Voltammetric detection of lead (II) and mercury (II) using a carbon paste electrode modified with thiol self-assembled monolayer on mesoporous silica (SAMMS) | |
| Jagner | Instrumental approach to potentiometric stripping analysis of some heavy metals | |
| Tindall et al. | A ring-disk electrode study of the electrochemical reduction of copper (II) in 0.2 M sulfuric acid on platinum | |
| US6004442A (en) | Analyte-selective sensor | |
| Chamsi et al. | Oxidative flow injection amperometric determination of nitrite at an electrochemically pre-treated glassy carbon electrode | |
| EP0204402A1 (de) | Elektrochemisches System mit drehbarer Elektrode und Sprühvorrichtung | |
| Huiliang et al. | Carbon fibre electrodes in flow potentiometric stripping analysis | |
| Elving et al. | The graphite electrode. An improved technique for voltammetry and chronopotentiometry | |
| Manikandan et al. | Simultaneous anodic stripping voltammetric determination of Pb (II) and Cd (II) using poly methyl thymol blue film–modified electrode | |
| WO2009039945A1 (en) | Electrochemical antioxidant sensors based on metallic oxide modified electrodes for the generation of hydroxyl radicals and the subsequent measurement of antioxidant activities | |
| Wang et al. | Effect of surface-active compounds on voltammetric stripping analysis at the mercury film electrode | |
| BE902067A (nl) | Werkwijze en inrichting voor het meten van enzymconcentraties. | |
| US4614716A (en) | Filter cell for electrochemically measuring enzyme concentrations | |
| Batley | In situ electrodeposition for the determination of lead and cadmium in sea water | |
| US5498323A (en) | Procedure and apparatus for the determination of concentration of ammonia, and a procedure for the manufacturing of a detector | |
| AU2001246959A1 (en) | Method and system for measuring active animal glue concentration in industrial electrolytes | |
| Lin et al. | Electrochemical behavior of an anion-exchanger modified electrode prepared by sol–gel processing of an organofunctional silicon alkoxide | |
| Winkler et al. | Ac voltammetric measurements of fast charge-transfer processes at ultramicroelectrodes | |
| Mylonakis et al. | A study of the determination of Cu (II) by anodic stripping voltammetry on a novel nylon/carbon fiber electrode | |
| Tanaka et al. | In vivo voltammetry with an ultramicroelectrode | |
| Michalska et al. | Amperometric ion sensing using polypyrrole membranes | |
| Wang et al. | Electrochemical behaviors of baicalin at an electrochemically activated glassy carbon electrode and its determination in human blood serum | |
| Labuda et al. | The effect of complexation equilibria on the response of chemically modified electrodes for the determination of silver | |
| EP0672167B1 (de) | Analytisches verfahren und vorrichtung zur bestimmung von hydrogen peroxid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: ROHRBACK TECHNOLOGY CORP. Effective date: 19870331 |