GR3002303T3 - Digital threshold colour control system - Google Patents

Digital threshold colour control system

Info

Publication number
GR3002303T3
GR3002303T3 GR91401001T GR910401001T GR3002303T3 GR 3002303 T3 GR3002303 T3 GR 3002303T3 GR 91401001 T GR91401001 T GR 91401001T GR 910401001 T GR910401001 T GR 910401001T GR 3002303 T3 GR3002303 T3 GR 3002303T3
Authority
GR
Greece
Prior art keywords
nad
control system
digital threshold
reactant
chromogen
Prior art date
Application number
GR91401001T
Other languages
English (en)
Inventor
John L Palmer
Marsha W Timmerman
Original Assignee
Enzymatics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US06/942,414 external-priority patent/US5032506A/en
Application filed by Enzymatics Inc filed Critical Enzymatics Inc
Publication of GR3002303T3 publication Critical patent/GR3002303T3/el

Links

Classifications

    • 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
    • G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
    • G01N33/521—Single-layer analytical elements
    • 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
    • C12Q1/008—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions for determining co-enzymes or co-factors, e.g. NAD, ATP
    • 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
    • Y10S436/00—Chemistry: analytical and immunological testing
    • Y10S436/904—Oxidation - reduction indicators

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Organic Chemistry (AREA)
  • Microbiology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Urology & Nephrology (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Cell Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Biophysics (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Processing Of Color Television Signals (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Color Television Systems (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Selective Calling Equipment (AREA)
  • Lock And Its Accessories (AREA)
  • Eyeglasses (AREA)
GR91401001T 1986-12-16 1991-07-11 Digital threshold colour control system GR3002303T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/942,414 US5032506A (en) 1986-12-16 1986-12-16 Color control system
US07/075,817 US5036000A (en) 1986-12-16 1987-07-20 Threshold color control system

Publications (1)

Publication Number Publication Date
GR3002303T3 true GR3002303T3 (en) 1992-12-30

Family

ID=26757310

Family Applications (1)

Application Number Title Priority Date Filing Date
GR91401001T GR3002303T3 (en) 1986-12-16 1991-07-11 Digital threshold colour control system

Country Status (11)

Country Link
US (1) US5036000A (el)
EP (1) EP0279988B1 (el)
JP (1) JPH02501797A (el)
AT (1) ATE62935T1 (el)
CA (1) CA1312539C (el)
DE (1) DE3769632D1 (el)
DK (1) DK459288D0 (el)
ES (1) ES2022901B3 (el)
GR (1) GR3002303T3 (el)
NO (1) NO883586L (el)
WO (1) WO1988004694A1 (el)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0317070A3 (en) * 1987-10-08 1990-09-19 Enzymatics, Inc. Digital colorimetric quantitative assay system
US5200325A (en) * 1988-02-10 1993-04-06 Miles Inc. Self-indicating analysis employing stoichiometric chemical subtraction
US5126247A (en) * 1988-02-26 1992-06-30 Enzymatics, Inc. Method, system and devices for the assay and detection of biochemical molecules
GB8908182D0 (en) * 1989-04-12 1989-05-24 Health Lab Service Board Method for assay of albumin
US6395227B1 (en) * 1989-08-28 2002-05-28 Lifescan, Inc. Test strip for measuring analyte concentration over a broad range of sample volume
GB9002274D0 (en) * 1990-02-01 1990-03-28 Cranfield Biotech Ltd Colorimetric analysis
CA2037562A1 (en) * 1990-06-18 1991-12-19 Robert P. Hatch Detection assays having chromogenic and nonchromogenic, hypochromogenic, bathochromogenic or hypsochromogenic substrates
ATE139801T1 (de) * 1990-09-18 1996-07-15 Asahi Chemical Ind Hochsensitives testverfahren für myo-inositol und komposition zur ausführung davon
US5207984A (en) * 1991-03-11 1993-05-04 Miles Inc. Blood sample collection and test device
US5358855A (en) * 1992-05-14 1994-10-25 The Medical College Of Pennsylvania Inosinic acid dehydrogenase assay
US5250695A (en) * 1992-06-15 1993-10-05 Miles Inc. Use of specific counteranions to modify the solubility of tetrazolium salts
EP0648278B1 (en) * 1992-07-02 1999-12-08 Roche Diagnostics Corporation Stabilizing tetrazolium salts in a reagent
US5278079A (en) * 1992-09-02 1994-01-11 Enzymatics, Inc. Sealing device and method for inhibition of flow in capillary measuring devices
ES2141172T3 (es) * 1992-09-28 2000-03-16 Roche Diagnostics Corp Reactivo estable para sistemas indicadores de complejos de ion ferrico.
US5290683A (en) * 1992-11-19 1994-03-01 Yedy Israel Rapid analysis of ethanol in body fluids
US5843691A (en) * 1993-05-15 1998-12-01 Lifescan, Inc. Visually-readable reagent test strip
US5837546A (en) * 1993-08-24 1998-11-17 Metrika, Inc. Electronic assay device and method
US5714341A (en) * 1994-03-30 1998-02-03 Epitope, Inc. Saliva assay method and device
US5874229A (en) * 1995-08-07 1999-02-23 Kyoto Daiichi Kagaku Co., Ltd. Method for avoiding influence of hemoglobin
US7635597B2 (en) 1995-08-09 2009-12-22 Bayer Healthcare Llc Dry reagent particle assay and device having multiple test zones and method therefor
DE19543493A1 (de) * 1995-11-22 1997-05-28 Boehringer Mannheim Gmbh Stabilisierte Coenzym-Lösungen und deren Verwendung zur Bestimmung von Dehydrogenasen bzw. deren Substrate im alkalischen Milieu
US5962215A (en) * 1996-04-05 1999-10-05 Mercury Diagnostics, Inc. Methods for testing the concentration of an analyte in a body fluid
US5968839A (en) * 1996-05-13 1999-10-19 Metrika, Inc. Method and device producing a predetermined distribution of detectable change in assays
US5945345A (en) * 1996-08-27 1999-08-31 Metrika, Inc. Device for preventing assay interference using silver or lead to remove the interferant
US20050101032A1 (en) * 1997-02-10 2005-05-12 Metrika, Inc. Assay device, composition, and method of optimizing assay sensitivity
US5968746A (en) 1997-11-26 1999-10-19 Schneider; David R. Method and apparatus for preserving human saliva for testing
US6656697B1 (en) 1998-09-28 2003-12-02 Lifescan, Inc. Diagnostics based on tetrazolium compounds
US5902731A (en) * 1998-09-28 1999-05-11 Lifescan, Inc. Diagnostics based on tetrazolium compounds
JP4223163B2 (ja) * 1999-10-25 2009-02-12 パナソニック株式会社 免疫クロマトグラフィー試験片、及びクロマトグラフ分析方法
NZ521534A (en) * 2000-02-23 2004-10-29 Besst Test Aps Method for correlating blood coagulation activity with markers in urine
MXPA02009469A (es) * 2000-03-28 2003-02-24 Lifescan Inc Reactivos y metodos para detectar un cofactor reducido.
WO2002018627A1 (fr) * 2000-08-28 2002-03-07 Sapporo Immuno Diagnostic Laboratory Procede d'examen de maladies a erreurs innees du metabolisme, et appareil d'examen concu a cet effet
US6444169B1 (en) 2001-06-18 2002-09-03 Ralston Purina Company Test-device for threshold glucose detection in urine
ES2322990T3 (es) * 2001-12-28 2009-07-03 Arkray, Inc. Metodo colorimetro y reactivo que se utiliza para el mismo.
WO2003057904A1 (fr) * 2001-12-28 2003-07-17 Arkray, Inc. Procede de colorimetrie et reactif destine a etre utilise dans ce procede
GB0204232D0 (en) * 2002-02-22 2002-04-10 Isis Innovation Assay
US20040087874A1 (en) * 2002-10-28 2004-05-06 David Schneider Saliva collection system
US7282349B2 (en) * 2003-12-16 2007-10-16 Kimberly-Clark Worldwide, Inc. Solvatochromatic bacterial detection
US7399608B2 (en) * 2003-12-16 2008-07-15 Kimberly-Clark Worldwide, Inc. Microbial detection and quantification
US7300770B2 (en) * 2004-12-16 2007-11-27 Kimberly-Clark Worldwide, Inc. Detection of microbe contamination on elastomeric articles
WO2006064488A1 (en) * 2004-12-17 2006-06-22 Megazyme Ip Limited A kit for colorimetric assays of food and beverage analytes
US20060223052A1 (en) * 2005-03-30 2006-10-05 Kimberly-Clark Worldwide, Inc. Technique for detecting microorganisms
US7727513B2 (en) * 2005-12-15 2010-06-01 Kimberly-Clark Worldwide, Inc. Method for screening for bacterial conjunctivitis
US20080057534A1 (en) * 2006-08-31 2008-03-06 Kimberly-Clark Worldwide, Inc. Microbe-sensitive indicators and use of the same
US20090142275A1 (en) * 2007-11-29 2009-06-04 Kimberly-Clark Worldwide, Inc. Wound Suture Capable of Identifying the Presence of Bacteria
US7678250B2 (en) * 2008-01-22 2010-03-16 Home Diagnostics, Inc. Reagent compositions for use in electrochemical detection
US8828329B2 (en) 2010-10-01 2014-09-09 Church & Dwight, Co., Inc. Electronic analyte assaying device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964871A (en) * 1974-12-18 1976-06-22 Becton, Dickinson And Company Method and device for detecting glucose
GB2050601B (en) * 1979-06-05 1983-05-25 American Monitor Corp Triglycerides assay and reagents therefor
DE3247894A1 (de) * 1982-12-24 1984-06-28 Merck Patent Gmbh, 6100 Darmstadt Testsystem und verfahren zur bestimmung von nad(p)h
CH658073A5 (en) * 1983-02-03 1986-10-15 Camille Jean Heusghem Process for assaying NAD(P)(H) coenzymes using an amplifying system and application of this process for immunochemical assays
JPS59162899A (ja) * 1983-03-08 1984-09-13 Kyoto Daiichi Kagaku:Kk β‐ヒドロキシ酪酸の定量用組成物
JPS59205999A (ja) * 1983-05-10 1984-11-21 Wako Pure Chem Ind Ltd 還元型補酵素の定量方法
EP0154409A3 (en) * 1984-02-06 1988-03-02 Unitika Ltd. Testing material for detecting alcohols

Also Published As

Publication number Publication date
US5036000A (en) 1991-07-30
DK459288A (da) 1988-08-16
EP0279988A1 (en) 1988-08-31
DE3769632D1 (de) 1991-05-29
JPH02501797A (ja) 1990-06-21
ATE62935T1 (de) 1991-05-15
CA1312539C (en) 1993-01-12
NO883586D0 (no) 1988-08-12
EP0279988B1 (en) 1991-04-24
NO883586L (no) 1988-10-12
WO1988004694A1 (en) 1988-06-30
DK459288D0 (da) 1988-08-16
ES2022901B3 (es) 1991-12-16

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