US3926734A - Urea analysis - Google Patents
Urea analysis Download PDFInfo
- Publication number
- US3926734A US3926734A US427322A US42732273A US3926734A US 3926734 A US3926734 A US 3926734A US 427322 A US427322 A US 427322A US 42732273 A US42732273 A US 42732273A US 3926734 A US3926734 A US 3926734A
- Authority
- US
- United States
- Prior art keywords
- urea
- urease
- membrane
- hydrolysis
- ammonia
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
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
- C12Q1/005—Enzyme electrodes involving specific analytes or enzymes
-
- 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
- C12Q1/58—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving urea or urease
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/48742—Determining urea by measuring the volume of a gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/807—Gas detection apparatus
Definitions
- hydrolysis zone comprises a bed of urease immobilized on a solid support.
- aqueous specimen containing urea is an aqueous solution buffered to a pH in the range of about 5 to 9.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Biophysics (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US427322A US3926734A (en) | 1973-12-21 | 1973-12-21 | Urea analysis |
| FR7438065A FR2255602B1 (enExample) | 1973-12-21 | 1974-11-20 | |
| NLAANVRAGE7415252,A NL176308C (nl) | 1973-12-21 | 1974-11-22 | Werkwijze en inrichting voor het potentiometrisch bepalen van ureum in een waterige vloeistof. |
| DE2455970A DE2455970C3 (de) | 1973-12-21 | 1974-11-27 | Verfahren und Vorrichtung zur Analyse von Harnstoff |
| CA214,867A CA1039163A (en) | 1973-12-21 | 1974-11-28 | Urea analysis |
| GB54031/74A GB1494490A (en) | 1973-12-21 | 1974-12-13 | Urea analysis |
| JP14436174A JPS5330035B2 (enExample) | 1973-12-21 | 1974-12-16 | |
| AU76761/74A AU481620B2 (en) | 1973-12-21 | 1974-12-23 | Urea analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US427322A US3926734A (en) | 1973-12-21 | 1973-12-21 | Urea analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3926734A true US3926734A (en) | 1975-12-16 |
Family
ID=23694363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US427322A Expired - Lifetime US3926734A (en) | 1973-12-21 | 1973-12-21 | Urea analysis |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3926734A (enExample) |
| JP (1) | JPS5330035B2 (enExample) |
| CA (1) | CA1039163A (enExample) |
| DE (1) | DE2455970C3 (enExample) |
| FR (1) | FR2255602B1 (enExample) |
| GB (1) | GB1494490A (enExample) |
| NL (1) | NL176308C (enExample) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE30267E (en) * | 1975-06-20 | 1980-05-06 | Eastman Kodak Company | Multilayer analytical element |
| US4223089A (en) * | 1978-05-17 | 1980-09-16 | Boehringer Mannheim Gmbh | Process and diagnostic device for the determination of ammonia and of substrates which react with the formation of ammonia |
| WO1981000304A1 (en) * | 1979-07-24 | 1981-02-05 | I Lundstroem | A method and apparatus for indicating the presence of substances which,in a chemical reaction,generate or consume gas |
| EP0071152A1 (de) * | 1981-07-29 | 1983-02-09 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Bestimmung von Harnstoff |
| EP0299660A3 (en) * | 1987-07-17 | 1990-09-12 | INSTRUMENTATION LABORATORY S.p.A. | Sample analysis |
| DE4027728A1 (de) * | 1990-08-31 | 1992-03-05 | Bayer Ag | Immobilisierung von organischen makromolekuelen oder biopolymeren in einer polymermembran |
| US5133937A (en) * | 1989-06-01 | 1992-07-28 | Iniziative Marittime, 1991 S.R.L. | Analysis system having a removable reaction cartridge and temperature control |
| US5158868A (en) * | 1987-07-17 | 1992-10-27 | Iniziative Marittime 1991, S.R.L. | Method of sample analysis |
| US5685988A (en) * | 1993-09-15 | 1997-11-11 | Malchesky; Paul | Dialysis process and system |
| US5721111A (en) * | 1994-10-13 | 1998-02-24 | Kyowa Medex Co., Ltd. | Method for determination of urea nitrogen |
| WO2003048382A1 (en) * | 2001-12-03 | 2003-06-12 | Sievers Instruments, Inc. | Sensitive detection of urea and related compounds in water |
| US20120258545A1 (en) * | 2011-04-06 | 2012-10-11 | Ash Stephen R | Measuring chemical properties of a sample fluid in dialysis systems |
| US8882988B2 (en) | 2012-12-26 | 2014-11-11 | Umm Al-Qura University | Potentiometric device and method selective for pioglitazone |
| EP3737938A4 (en) * | 2018-01-12 | 2021-06-23 | Mayo Foundation for Medical Education and Research | SYSTEMS AND METHODS FOR THE DETECTION AND QUANTIFICATION OF AMMONIA AND AMMONIUM IN LIQUIDS |
| WO2021234434A1 (en) * | 2020-05-19 | 2021-11-25 | Ecole Polytechnique Federale De Lausanne (Epfl) | Method and system for producing a carbonate-containing species-rich, nitrogen-containing species-free solution |
| US20220146477A1 (en) * | 2020-11-10 | 2022-05-12 | Acustrip Company, Inc. | Method and kit for detecting diesel exhaust fluid in fuel |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5786053A (en) * | 1980-11-18 | 1982-05-28 | Yokogawa Hokushin Electric Corp | Method and device for measuring amino compound |
| JPS5839947A (ja) * | 1981-09-03 | 1983-03-08 | Yokogawa Hokushin Electric Corp | 尿素の測定方法および測定装置 |
| JPS5858457A (ja) * | 1981-09-30 | 1983-04-07 | Shimadzu Corp | 溶液導電率型ガス濃度測定用電極 |
| JPS5877663A (ja) * | 1981-11-02 | 1983-05-11 | Kyoto Daiichi Kagaku:Kk | 尿素分析方法および分析用具 |
| DK364189A (da) * | 1988-07-25 | 1990-01-26 | Nova Biomedical Corp | Sensor |
| DE3841623A1 (de) * | 1988-12-10 | 1990-06-13 | Draegerwerk Ag | Dosimeter mit wiederverwendbarer elektrochemischer messzelle |
| ES2102936B1 (es) * | 1994-03-02 | 1998-04-01 | Estudios E Invest Del Agua | Metodo de medicion de la concentracion de amonio total en medio liquido y dispositivo para la realizacion del mismo. |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3395082A (en) * | 1964-07-20 | 1968-07-30 | Miles Lab | Test composition device and method for detecting urea in aqueous fluids |
| US3649505A (en) * | 1969-03-03 | 1972-03-14 | Beckman Instruments Inc | Ammonia sensor |
| US3838011A (en) * | 1971-06-18 | 1974-09-24 | Boehringer Mannheim Gmbh | Process and apparatus for the quantitative determination of an enzymatically reactive substance |
-
1973
- 1973-12-21 US US427322A patent/US3926734A/en not_active Expired - Lifetime
-
1974
- 1974-11-20 FR FR7438065A patent/FR2255602B1/fr not_active Expired
- 1974-11-22 NL NLAANVRAGE7415252,A patent/NL176308C/xx not_active IP Right Cessation
- 1974-11-27 DE DE2455970A patent/DE2455970C3/de not_active Expired
- 1974-11-28 CA CA214,867A patent/CA1039163A/en not_active Expired
- 1974-12-13 GB GB54031/74A patent/GB1494490A/en not_active Expired
- 1974-12-16 JP JP14436174A patent/JPS5330035B2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3395082A (en) * | 1964-07-20 | 1968-07-30 | Miles Lab | Test composition device and method for detecting urea in aqueous fluids |
| US3649505A (en) * | 1969-03-03 | 1972-03-14 | Beckman Instruments Inc | Ammonia sensor |
| US3838011A (en) * | 1971-06-18 | 1974-09-24 | Boehringer Mannheim Gmbh | Process and apparatus for the quantitative determination of an enzymatically reactive substance |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE30267E (en) * | 1975-06-20 | 1980-05-06 | Eastman Kodak Company | Multilayer analytical element |
| US4223089A (en) * | 1978-05-17 | 1980-09-16 | Boehringer Mannheim Gmbh | Process and diagnostic device for the determination of ammonia and of substrates which react with the formation of ammonia |
| WO1981000304A1 (en) * | 1979-07-24 | 1981-02-05 | I Lundstroem | A method and apparatus for indicating the presence of substances which,in a chemical reaction,generate or consume gas |
| EP0071152A1 (de) * | 1981-07-29 | 1983-02-09 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Bestimmung von Harnstoff |
| US4505784A (en) * | 1981-07-29 | 1985-03-19 | Siemens Aktiengesellschaft | Method for urea analysis |
| EP0299660A3 (en) * | 1987-07-17 | 1990-09-12 | INSTRUMENTATION LABORATORY S.p.A. | Sample analysis |
| US4997627A (en) * | 1987-07-17 | 1991-03-05 | Fisher Scientific Company | Sample analysis |
| US5158868A (en) * | 1987-07-17 | 1992-10-27 | Iniziative Marittime 1991, S.R.L. | Method of sample analysis |
| US5133937A (en) * | 1989-06-01 | 1992-07-28 | Iniziative Marittime, 1991 S.R.L. | Analysis system having a removable reaction cartridge and temperature control |
| DE4027728A1 (de) * | 1990-08-31 | 1992-03-05 | Bayer Ag | Immobilisierung von organischen makromolekuelen oder biopolymeren in einer polymermembran |
| US5685988A (en) * | 1993-09-15 | 1997-11-11 | Malchesky; Paul | Dialysis process and system |
| US5721111A (en) * | 1994-10-13 | 1998-02-24 | Kyowa Medex Co., Ltd. | Method for determination of urea nitrogen |
| WO2003048382A1 (en) * | 2001-12-03 | 2003-06-12 | Sievers Instruments, Inc. | Sensitive detection of urea and related compounds in water |
| US20050106650A1 (en) * | 2001-12-03 | 2005-05-19 | Godec Richard D. | Sensitive detection of urea and related compounds in water |
| US7662637B2 (en) | 2001-12-03 | 2010-02-16 | Ge Analytical Instruments | Sensitive detection of urea and related compounds in water |
| US20120258545A1 (en) * | 2011-04-06 | 2012-10-11 | Ash Stephen R | Measuring chemical properties of a sample fluid in dialysis systems |
| US8945936B2 (en) * | 2011-04-06 | 2015-02-03 | Fresenius Medical Care Holdings, Inc. | Measuring chemical properties of a sample fluid in dialysis systems |
| US9599599B2 (en) | 2011-04-06 | 2017-03-21 | Fresenius Medical Care Holdings, Inc. | Measuring chemical properties of a sample fluid in dialysis systems |
| US8882988B2 (en) | 2012-12-26 | 2014-11-11 | Umm Al-Qura University | Potentiometric device and method selective for pioglitazone |
| EP3737938A4 (en) * | 2018-01-12 | 2021-06-23 | Mayo Foundation for Medical Education and Research | SYSTEMS AND METHODS FOR THE DETECTION AND QUANTIFICATION OF AMMONIA AND AMMONIUM IN LIQUIDS |
| US11793431B2 (en) | 2018-01-12 | 2023-10-24 | Mayo Foundation For Medical Education And Research | Systems and methods for the detection and quantification of ammonia and ammonium in fluids |
| US12178575B2 (en) | 2018-01-12 | 2024-12-31 | Mayo Foundation For Medical Education And Research | Systems and methods for the detection and quantification of ammonia and ammonium in fluids |
| US12357205B2 (en) | 2018-01-12 | 2025-07-15 | Mayo Foundation For Medical Education And Research | Systems and methods for the detection and quantification of ammonia and ammonium in fluids |
| WO2021234434A1 (en) * | 2020-05-19 | 2021-11-25 | Ecole Polytechnique Federale De Lausanne (Epfl) | Method and system for producing a carbonate-containing species-rich, nitrogen-containing species-free solution |
| US20220146477A1 (en) * | 2020-11-10 | 2022-05-12 | Acustrip Company, Inc. | Method and kit for detecting diesel exhaust fluid in fuel |
| US11726070B2 (en) * | 2020-11-10 | 2023-08-15 | Acustrip Company, Inc. | Method and kit for detecting diesel exhaust fluid in fuel |
| US12078626B2 (en) | 2020-11-10 | 2024-09-03 | Acustrip Company, Inc. | Method and kit for detecting diesel exhaust fluid in fuel |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2455970B2 (de) | 1977-07-21 |
| CA1039163A (en) | 1978-09-26 |
| GB1494490A (en) | 1977-12-07 |
| AU7676174A (en) | 1976-06-24 |
| JPS5330035B2 (enExample) | 1978-08-24 |
| DE2455970C3 (de) | 1978-03-02 |
| JPS5098396A (enExample) | 1975-08-05 |
| FR2255602A1 (enExample) | 1975-07-18 |
| NL7415252A (nl) | 1975-06-24 |
| NL176308C (nl) | 1985-03-18 |
| FR2255602B1 (enExample) | 1978-06-16 |
| NL176308B (nl) | 1984-10-16 |
| DE2455970A1 (de) | 1975-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3926734A (en) | Urea analysis | |
| Cullen et al. | Multi-analyte miniature conductance biosensor | |
| Guilbault et al. | Enzyme electrodes based on the use of a carbon dioxide sensor. Urea and L-tyrosine electrodes | |
| Zhang et al. | Development and analytical application of an uric acid biosensor using an uricase-immobilized eggshell membrane | |
| Tor et al. | New enzyme membrane for enzyme electrodes | |
| Guilbault et al. | Enzyme electrodes for the determination of 1-phenylalanine | |
| De Beer et al. | Response of ammonium-selective microelectrodes based on the neutral carrier nonactin | |
| CA2109896A1 (en) | Method and system for determining bioactive substances | |
| JPH0679003B2 (ja) | 酵素/電極式中センサー | |
| Mascini et al. | Clinical uses of enzyme electrode probes | |
| Adams et al. | Coulometric flow analyzer for use with immobilized enzyme reactors | |
| Rusling et al. | Immobilized enzyme-based flowing-stream analyzer for measurement of penicillin in fermentation broths | |
| EP0321558A1 (en) | L-glutamine sensor | |
| De Beer et al. | Gradients in immobilized biological systems | |
| Hermanto et al. | Optical fiber mercury biosensor based on immobilized urease and bromothymol blue onto the alginate-chitosan membrane in the flow-system | |
| Kubo et al. | Amperometric determination of creatinine with a biosensor based on immobilized creatininase and nitrifying bacteria | |
| WO2001073425A2 (en) | Lithium ion-selective electrode for clinical applications | |
| AU2001247614A1 (en) | Lithium ion-selective electrode for clinical applications | |
| US3839154A (en) | Apparatus and method for measuring conductivity change in a glucose-glucose oxidase reaction | |
| US4604182A (en) | Perfluorosulfonic acid polymer-coated indicator electrodes | |
| Hajizadeh et al. | Gamma-irradiation immobilization of lactate oxidase in poly (vinyl alcohol) on platinized graphite electrodes | |
| Ngo | Bioanalytical applications of immobilized enzymes | |
| Ford et al. | An active-site titration method for immobilized trypsin | |
| Hirose et al. | Determination of urea in blood serum with use of immobilized urease and a microwave cavity ammonia monitor | |
| JPS60185153A (ja) | 固定化酵素膜 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: TECHNICON INSTRUMENTS CORPORATION Free format text: MERGER;ASSIGNOR:REVGROUP PANTRY MIRROR CORP.;REEL/FRAME:004912/0740 Effective date: 19871231 |