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FI69213C - Indikatoranordning - Google Patents

Indikatoranordning Download PDF

Info

Publication number
FI69213C
FI69213C FI831048A FI831048A FI69213C FI 69213 C FI69213 C FI 69213C FI 831048 A FI831048 A FI 831048A FI 831048 A FI831048 A FI 831048A FI 69213 C FI69213 C FI 69213C
Authority
FI
Finland
Prior art keywords
reagent
surface area
carrier
indicator
color
Prior art date
Application number
FI831048A
Other languages
English (en)
Finnish (fi)
Other versions
FI831048A0 (fi
FI831048L (fi
FI69213B (fi
Inventor
Karl Torsten Bjoerling
Ann-Marie Maerta Sky Groenberg
Original Assignee
Alfa Laval Ab
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
Application filed by Alfa Laval Ab filed Critical Alfa Laval Ab
Publication of FI831048A0 publication Critical patent/FI831048A0/fi
Publication of FI831048L publication Critical patent/FI831048L/fi
Publication of FI69213B publication Critical patent/FI69213B/fi
Application granted granted Critical
Publication of FI69213C publication Critical patent/FI69213C/fi

Links

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
    • C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
    • C12Q1/30—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase involving catalase
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • 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
    • G01N33/525—Multi-layer analytical elements
    • 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
    • Y10S435/805—Test papers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • General Physics & Mathematics (AREA)
  • Biotechnology (AREA)
  • Zoology (AREA)
  • Microbiology (AREA)
  • Urology & Nephrology (AREA)
  • Wood Science & Technology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Cell Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Claims (7)

1. Anordning för pävisande av ett bestämt ämne (A) i ett flytande provmedium, innefattande en väsentligen inert ooh väsentligen jämntjock, permeabel bärare, ett första reagens (B) , som anbragts pä ett första ytomräde pä bäraren ooh som vid kon-takt med provmediet kan frigöra ett mobilt ämne, som reagerar med det bästämda ämnet (A), och ett andra reagens (C), som anbragts pä ett andra ytomräde pä bäraren, vilket ytomräde befinner sig pä avständ frän nämnda första ytomräde, varvid det andra reagenset förmär ändra färg vid kontakt med nämnda mobila ämne, kännetecknad av att bärarens andra ytomräde har vissa delar avlägsnare än andra delar frän det första ytomrädets närmaste del.
2. Anordning enligt patentkravet 1, kännetecknad av att det ena av de nämnda första och andra ytomrädena är mindre än det andra.
3. Anordning enligt patentkravet 1, kännetecknad av att ytomrädena är band pä ytan av bäraren.
4. Anordning enligt patentkravet 3, kännetecknad av att nämnda band divergerar.
5. Anordning enligt patentkravet 3, känn etecknad av att banden är pä motsatta sidor av bäraren och löper vinkel-rätt mot varandra.
6. Anordning enligt patentkravet 1, kännetecknad av att det ena av de nämnda ytomrädena utgörs av en serie kon-centriska ringband och det andra ytomrädet befinner sig i mitten av de koncentriska banden.
7. Anordning enligt patentkravet 6, kännetecknad av att det ena av närmda ytanräden bef inner sig pä ena sidan cxn bäraren och det andra ytomrädet pä den motsatta sidan an bäraren.
FI831048A 1981-03-02 1983-03-28 Indikatoranordning FI69213C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8101322 1981-03-02
SE8101322A SE427389B (sv) 1981-03-02 1981-03-02 Indikator innefattande en berare och ett reaktionssystem
SE8200057 1982-03-01
PCT/SE1982/000057 WO1982003127A1 (en) 1981-03-02 1982-03-01 Indicator

Publications (4)

Publication Number Publication Date
FI831048A0 FI831048A0 (fi) 1983-03-28
FI831048L FI831048L (fi) 1983-03-28
FI69213B FI69213B (fi) 1985-08-30
FI69213C true FI69213C (fi) 1985-12-10

Family

ID=20343244

Family Applications (1)

Application Number Title Priority Date Filing Date
FI831048A FI69213C (fi) 1981-03-02 1983-03-28 Indikatoranordning

Country Status (7)

Country Link
US (1) US4454094A (sv)
EP (1) EP0085678B1 (sv)
JP (1) JPS58500182A (sv)
DE (1) DE3275011D1 (sv)
FI (1) FI69213C (sv)
SE (1) SE427389B (sv)
WO (1) WO1982003127A1 (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846182A (en) * 1982-01-11 1989-07-11 Medtronic, Inc. Method of preparing a fluid absorbent quantitative test device
DE3446637A1 (de) * 1984-12-20 1986-07-03 Boehringer Mannheim Gmbh, 6800 Mannheim Mittel zur verbesserung des nachweises h(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)2(pfeil abwaerts)-liefernder oxidase-reaktionen und seine verwendung
US5017342A (en) * 1988-06-01 1991-05-21 Ortho Diagnostic Systems Inc. Device for immunoassay determinations
AU5091296A (en) * 1995-03-06 1996-09-23 Allen A. Mitchell Assays for compounds in consumable items
US5962215A (en) * 1996-04-05 1999-10-05 Mercury Diagnostics, Inc. Methods for testing the concentration of an analyte in a body fluid
US5710372A (en) * 1996-12-17 1998-01-20 Cincinnati Milacron Inc. Method of analysis for aqueous fluids
US20030008409A1 (en) * 2001-07-03 2003-01-09 Spearman Steven R. Method and apparatus for determining sunlight exposure
WO2007082544A1 (en) 2006-01-19 2007-07-26 Lattec I/S A novel dry stick device construction and method for determining an analyte in a sample using said dry stick device
WO2014133854A1 (en) 2013-02-26 2014-09-04 3M Innovative Properties Company Biological indicator for monitoring a low-temperature sterilization process
US9291570B2 (en) * 2013-06-26 2016-03-22 Eastman Kodak Company Reactive indicator compositions and articles containing same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2029138A5 (en) * 1969-01-14 1970-10-16 Colobert Louis Chemical reaction indication for biochemical - reactions
US3723064A (en) * 1971-07-26 1973-03-27 L Liotta Method and device for determining the concentration of a material in a liquid
US3798004A (en) * 1972-04-18 1974-03-19 Ames Yissum Ltd Test device
AR208059A1 (es) * 1973-02-16 1976-11-30 Alfa Laval Ab Un dispositivo de ensayos utilizable en la determinacion cualitativa y cuantitativa de la catalasa en la leche y otros liquidos principalmente de origen biologico
DE2416047A1 (de) * 1974-04-03 1975-10-09 Ludwig Clarius Wolfgang Dipl P Transparenter teststreifen inkonstanter dicke oder dichte und verfahren zur analyse chemischer loesungen
US3964871A (en) * 1974-12-18 1976-06-22 Becton, Dickinson And Company Method and device for detecting glucose
IL52322A (en) * 1976-06-18 1980-10-26 Alfa Laval Ab Method of making reagent test device and device made accorording to this method
US4046513A (en) * 1976-06-30 1977-09-06 Miles Laboratories, Inc. Printed reagent test devices and method of making same
DD143379A3 (de) * 1978-07-25 1980-08-20 Kallies Karl Heinz Indikatorroehrchen zur glukosebestimmung
JPS5533651A (en) * 1978-08-31 1980-03-08 Fuji Photo Film Co Ltd Laminated plate of multi-layered chemical analysis material and using method thereof
US4181501A (en) * 1979-03-26 1980-01-01 General Electric Company Method and apparatus for measuring antibody levels

Also Published As

Publication number Publication date
FI831048A0 (fi) 1983-03-28
SE8101322L (sv) 1982-09-03
JPS58500182A (ja) 1983-02-03
EP0085678B1 (en) 1987-01-07
WO1982003127A1 (en) 1982-09-16
FI831048L (fi) 1983-03-28
SE427389B (sv) 1983-03-28
US4454094A (en) 1984-06-12
DE3275011D1 (en) 1987-02-12
EP0085678A1 (en) 1983-08-17
FI69213B (fi) 1985-08-30

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Owner name: ALFA-LAVAL AB