CA1120397A - Competitive immunoassay using semipermeable membrane - Google Patents

Competitive immunoassay using semipermeable membrane

Info

Publication number
CA1120397A
CA1120397A CA000330134A CA330134A CA1120397A CA 1120397 A CA1120397 A CA 1120397A CA 000330134 A CA000330134 A CA 000330134A CA 330134 A CA330134 A CA 330134A CA 1120397 A CA1120397 A CA 1120397A
Authority
CA
Canada
Prior art keywords
species
antibody
analogue
sample
distinguishable
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
Application number
CA000330134A
Other languages
English (en)
French (fr)
Inventor
Franklin Lim
Richard D. Moss
Robert J. Buehler
Teresa H. Chan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Damon Corp
Original Assignee
Damon Corp
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 US05/963,932 external-priority patent/US4255411A/en
Application filed by Damon Corp filed Critical Damon Corp
Application granted granted Critical
Publication of CA1120397A publication Critical patent/CA1120397A/en
Expired legal-status Critical Current

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
    • G01N33/74—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving hormones or other non-cytokine intercellular protein regulatory factors such as growth factors, including receptors to hormones and growth factors
    • G01N33/743—Steroid hormones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5089—Processes
    • 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
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/536—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase
    • G01N33/537—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with separation of immune complex from unbound antigen or antibody
    • 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
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/536—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase
    • G01N33/537—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with separation of immune complex from unbound antigen or antibody
    • G01N33/5375—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with separation of immune complex from unbound antigen or antibody by changing the physical or chemical properties of the medium or immunochemicals, e.g. temperature, density, pH, partitioning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Microbiology (AREA)
  • Cell Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Endocrinology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
CA000330134A 1978-06-20 1979-06-19 Competitive immunoassay using semipermeable membrane Expired CA1120397A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US91736578A 1978-06-20 1978-06-20
US917,365 1978-06-20
US963,932 1978-11-27
US05/963,932 US4255411A (en) 1978-11-27 1978-11-27 Process of determining an immunogenic substance by competition with an antibody in a microcapsule

Publications (1)

Publication Number Publication Date
CA1120397A true CA1120397A (en) 1982-03-23

Family

ID=27129721

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000330134A Expired CA1120397A (en) 1978-06-20 1979-06-19 Competitive immunoassay using semipermeable membrane

Country Status (9)

Country Link
CA (1) CA1120397A (sv)
CH (1) CH647869A5 (sv)
DE (1) DE2924881A1 (sv)
DK (1) DK256279A (sv)
FR (1) FR2432171A1 (sv)
GB (1) GB2023816B (sv)
IT (1) IT1119920B (sv)
NO (1) NO154409C (sv)
SE (1) SE445680B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8006102L (sv) * 1980-09-02 1982-03-03 Gambro Ab Sett att utvinna en peptidinnehallande forening samt medel for genomforande av settet
WO1983003306A1 (en) * 1982-03-19 1983-09-29 Roger Philip Ekins Method and composition for free ligand assays
CA2105698A1 (en) * 1992-09-16 1994-03-17 Jozsef Hepp Label trapping assay-nonseparation binding assay method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793445A (en) * 1970-04-29 1974-02-19 Wisconsin Alumni Res Found Reagent for radioimmunoassay
US3896217A (en) * 1973-03-19 1975-07-22 Summa Corp Method and apparatus for radioimmunoassay with regeneration of immunoadsorbent
US3925017A (en) * 1973-05-01 1975-12-09 Wisconsin Alumni Res Found Preparation of dry, porous gel particles having high water regain for liquid sampling
US4061466A (en) * 1974-10-16 1977-12-06 Ingvar Gosta Holger Sjoholm Biologically active composition and the use thereof

Also Published As

Publication number Publication date
NO792030L (no) 1979-12-21
GB2023816B (en) 1983-02-23
SE7905101L (sv) 1979-12-21
FR2432171A1 (fr) 1980-02-22
GB2023816A (en) 1980-01-03
NO154409C (no) 1986-09-10
FR2432171B1 (sv) 1985-02-15
NO154409B (no) 1986-06-02
DE2924881A1 (de) 1980-01-17
CH647869A5 (de) 1985-02-15
IT1119920B (it) 1986-03-19
IT7968303A0 (it) 1979-06-19
SE445680B (sv) 1986-07-07
DK256279A (da) 1980-01-28

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Legal Events

Date Code Title Description
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