DE2748857C2 - Verfahren zur quantitativen Bestimmung von Harnstoff - Google Patents
Verfahren zur quantitativen Bestimmung von HarnstoffInfo
- Publication number
- DE2748857C2 DE2748857C2 DE2748857A DE2748857A DE2748857C2 DE 2748857 C2 DE2748857 C2 DE 2748857C2 DE 2748857 A DE2748857 A DE 2748857A DE 2748857 A DE2748857 A DE 2748857A DE 2748857 C2 DE2748857 C2 DE 2748857C2
- Authority
- DE
- Germany
- Prior art keywords
- urea
- reagent
- phthalaldehyde
- concentration
- chromogenic compound
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/38—Nitrogen atoms
- C07D215/42—Nitrogen atoms attached in position 4
- C07D215/46—Nitrogen atoms attached in position 4 with hydrocarbon radicals, substituted by nitrogen atoms, attached to said nitrogen atoms
-
- 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
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/62—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving urea
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/171538—Urea or blood urea nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Urology & Nephrology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Food Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Cell Biology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Biotechnology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Description
Eines der ersten dieser Verfahren, bei denen ein Aldehyd verwendet wurde, stammte offensichtlich von Brown, dereine Harnstoffbestimmung unter Anwendung dieser Reaktion mit p-Dimethylaminobenzaldehyd (DMAB) erprobte (Brown, H.H., Anal. Chem. 31 : 1844 [1959], S. 9).
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/740,612 US4074972A (en) | 1976-11-10 | 1976-11-10 | Urea assay |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2748857A1 DE2748857A1 (de) | 1978-05-11 |
DE2748857C2 true DE2748857C2 (de) | 1983-08-25 |
Family
ID=24977299
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2759962A Expired DE2759962C2 (de) | 1976-11-10 | 1977-10-31 | Verfahren zur quantitativen Bestimmung von Harnstoff |
DE2759967A Expired DE2759967C2 (de) | 1976-11-10 | 1977-10-31 | Verfahren zur quantitativen Bestimmung von Harnstoff |
DE2748857A Expired DE2748857C2 (de) | 1976-11-10 | 1977-10-31 | Verfahren zur quantitativen Bestimmung von Harnstoff |
DE2759961A Expired DE2759961C2 (de) | 1976-11-10 | 1977-10-31 | Verfahren zur quantitativen Bestimmung von Harnstoff |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2759962A Expired DE2759962C2 (de) | 1976-11-10 | 1977-10-31 | Verfahren zur quantitativen Bestimmung von Harnstoff |
DE2759967A Expired DE2759967C2 (de) | 1976-11-10 | 1977-10-31 | Verfahren zur quantitativen Bestimmung von Harnstoff |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2759961A Expired DE2759961C2 (de) | 1976-11-10 | 1977-10-31 | Verfahren zur quantitativen Bestimmung von Harnstoff |
Country Status (7)
Country | Link |
---|---|
US (5) | US4074972A (de) |
JP (1) | JPS5360694A (de) |
BE (1) | BE860620A (de) |
CA (1) | CA1102226A (de) |
DE (4) | DE2759962C2 (de) |
FR (1) | FR2370978A1 (de) |
IT (1) | IT1088032B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2821469A1 (de) * | 1978-05-17 | 1979-11-22 | Boehringer Mannheim Gmbh | Diagnostisches mittel zur bestimmung von harnstoff |
US4215995A (en) * | 1979-05-15 | 1980-08-05 | Miles Laboratories, Inc. | Test means and assay for determining the urea content of fluids |
DE2922748C2 (de) * | 1978-06-15 | 1984-03-22 | Miles Laboratories, Inc., 46515 Elkhart, Ind. | Testmittel zur Bestimmung des Harnstoffgehaltes in Flüssigkeiten |
US4273556A (en) * | 1979-12-19 | 1981-06-16 | Sherwood Medical Industries Inc. | Determination of urea |
US4474888A (en) * | 1981-08-14 | 1984-10-02 | Sherwood Medical Company | Determination of urea |
US4394444A (en) * | 1982-06-21 | 1983-07-19 | Miles Laboratories, Inc. | Cofactor indicator compositions |
US6287851B1 (en) * | 1999-07-09 | 2001-09-11 | The Regents Of The University Of California | Sensor for analyzing components of fluids |
WO2019033086A1 (en) * | 2017-08-11 | 2019-02-14 | Tab Health Solutions | DEVICES, METHODS AND SYSTEMS FOR DETECTION AND SIGNALING OF HUMAN WASTE |
CN118408807B (zh) * | 2024-07-02 | 2024-09-10 | 山东新蓝环保科技有限公司 | 一种氮氧化物还原剂尿素水溶液浓度的快速检测方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3091571A (en) * | 1960-09-30 | 1963-05-28 | Burroughs Wellcome Co | Epidemiological antimalarial preparation and method of its formation |
US3890099A (en) * | 1974-07-05 | 1975-06-17 | David H Jung | Colorimetric assay for urea |
-
1976
- 1976-11-10 US US05/740,612 patent/US4074972A/en not_active Expired - Lifetime
-
1977
- 1977-09-01 JP JP10621177A patent/JPS5360694A/ja active Granted
- 1977-10-13 US US05/841,655 patent/US4105408A/en not_active Expired - Lifetime
- 1977-10-31 DE DE2759962A patent/DE2759962C2/de not_active Expired
- 1977-10-31 DE DE2759967A patent/DE2759967C2/de not_active Expired
- 1977-10-31 DE DE2748857A patent/DE2748857C2/de not_active Expired
- 1977-10-31 DE DE2759961A patent/DE2759961C2/de not_active Expired
- 1977-11-02 CA CA290,043A patent/CA1102226A/en not_active Expired
- 1977-11-04 FR FR7733249A patent/FR2370978A1/fr active Granted
- 1977-11-08 IT IT29453/77A patent/IT1088032B/it active
- 1977-11-09 BE BE2056416A patent/BE860620A/xx not_active IP Right Cessation
-
1978
- 1978-03-13 US US05/885,597 patent/US4131430A/en not_active Expired - Lifetime
- 1978-03-13 US US05/885,600 patent/US4131429A/en not_active Expired - Lifetime
- 1978-03-13 US US05/885,596 patent/US4131425A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1088032B (it) | 1985-06-04 |
JPS5360694A (en) | 1978-05-31 |
US4131430A (en) | 1978-12-26 |
JPS6147382B2 (de) | 1986-10-18 |
DE2759961C2 (de) | 1984-08-09 |
US4105408A (en) | 1978-08-08 |
DE2759962C2 (de) | 1983-12-08 |
FR2370978B1 (de) | 1981-12-18 |
BE860620A (fr) | 1978-05-09 |
DE2748857A1 (de) | 1978-05-11 |
FR2370978A1 (fr) | 1978-06-09 |
CA1102226A (en) | 1981-06-02 |
DE2759967C2 (de) | 1983-12-08 |
US4131429A (en) | 1978-12-26 |
US4074972A (en) | 1978-02-21 |
US4131425A (en) | 1978-12-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OD | Request for examination | ||
8128 | New person/name/address of the agent |
Representative=s name: GEYER, W., DIPL.-ING. DR.-ING. HAGEMANN, H., DIPL. |
|
8172 | Supplementary division/partition in: |
Ref country code: DE Ref document number: 2759962 Format of ref document f/p: P Ref country code: DE Ref document number: 2759967 Format of ref document f/p: P |
|
AH | Division in |
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Q171 | Divided out to: |
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8172 | Supplementary division/partition in: |
Ref country code: DE Ref document number: 2759961 Format of ref document f/p: P |
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AH | Division in |
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Q171 | Divided out to: |
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8125 | Change of the main classification |
Ipc: G01N 33/62 |
|
8126 | Change of the secondary classification |
Ipc: ENTFAELLT |
|
D2 | Grant after examination | ||
AH | Division in |
Ref country code: DE Ref document number: 2759962 Format of ref document f/p: P Ref country code: DE Ref document number: 2759967 Format of ref document f/p: P |
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8328 | Change in the person/name/address of the agent |
Free format text: GEYER, W., DIPL.-ING. DR.-ING. HAGEMANN, H., DIPL.-CHEM. DR.RER.NAT. KEHL, G., DIPL.-PHYS., PAT.-ANW., 8000 MUENCHEN |
|
8364 | No opposition during term of opposition | ||
AH | Division in |
Ref country code: DE Ref document number: 2759961 Format of ref document f/p: P |
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8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |
|
8339 | Ceased/non-payment of the annual fee |