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BE892477A - Procede de rupture selective d'une membrane permeable de microcapsules. - Google Patents

Procede de rupture selective d'une membrane permeable de microcapsules.

Info

Publication number
BE892477A
BE892477A BE0/207557A BE207557A BE892477A BE 892477 A BE892477 A BE 892477A BE 0/207557 A BE0/207557 A BE 0/207557A BE 207557 A BE207557 A BE 207557A BE 892477 A BE892477 A BE 892477A
Authority
BE
Belgium
Prior art keywords
microcapsules
permeable membrane
selective breakage
breakage
selective
Prior art date
Application number
BE0/207557A
Other languages
English (en)
Inventor
F Lim
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
Application filed by Damon Corp filed Critical Damon Corp
Publication of BE892477A publication Critical patent/BE892477A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/04Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1652Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5031Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/5073Microcapsules 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 having two or more different coatings optionally including drug-containing subcoatings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/20After-treatment of capsule walls, e.g. hardening
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/0012Cell encapsulation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/12Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
    • A61K2035/126Immunoprotecting barriers, e.g. jackets, diffusion chambers
    • A61K2035/128Immunoprotecting barriers, e.g. jackets, diffusion chambers capsules, e.g. microcapsules
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2533/00Supports or coatings for cell culture, characterised by material
    • C12N2533/70Polysaccharides
    • C12N2533/74Alginate

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Dispersion Chemistry (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Cell Biology (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
BE0/207557A 1981-03-13 1982-03-12 Procede de rupture selective d'une membrane permeable de microcapsules. BE892477A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24358481A 1981-03-13 1981-03-13

Publications (1)

Publication Number Publication Date
BE892477A true BE892477A (fr) 1982-07-01

Family

ID=22919328

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/207557A BE892477A (fr) 1981-03-13 1982-03-12 Procede de rupture selective d'une membrane permeable de microcapsules.

Country Status (11)

Country Link
JP (1) JPS57197031A (fr)
BE (1) BE892477A (fr)
CA (1) CA1184518A (fr)
CH (1) CH651579A5 (fr)
DE (1) DE3209045C2 (fr)
DK (1) DK112382A (fr)
FR (1) FR2501528A1 (fr)
GB (1) GB2094750B (fr)
IT (1) IT1150681B (fr)
NO (1) NO158284C (fr)
SE (1) SE454181B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD160393A3 (de) * 1980-11-14 1983-07-27 Horst Dautzenberg Mikrokapseln und verfahren zu ihrer herstellung
NO161446C (no) * 1981-03-13 1989-08-16 Damon Biotech Inc Fremgangsmaate for dyrking av celler som er avhengige av forankring.
NO163060C (no) * 1981-03-13 1990-03-28 Damon Biotech Inc Fremgangsmaate for fremstilling av substanser som dannes av levende celler som produserer interferoner eller antistoffer.
US4582799A (en) * 1983-04-15 1986-04-15 Damon Biotech, Inc. Process for recovering nonsecreted substances produced by cells
EP0127989A3 (fr) * 1983-06-01 1986-03-26 Connaught Laboratories Limited Micro-encapsulation de tissu vivant et de cellules
CA1196862A (fr) * 1983-06-01 1985-11-19 Anthony M.F. Sun Microencapsulement de cellules et de tissus vivants
CA1245984A (fr) * 1983-09-01 1988-12-06 Damon Biotech, Inc. Micro-encapsulation poly-ionique
US4663286A (en) * 1984-02-13 1987-05-05 Damon Biotech, Inc. Encapsulation of materials
DE3575375D1 (de) * 1984-02-15 1990-02-22 Massachusetts Inst Technology Verfahren zur verkapselung und systeme mit verkapseltem aktivmaterial.
US4686098A (en) * 1984-05-14 1987-08-11 Merck & Co., Inc. Encapsulated mouse cells transformed with avian retrovirus-bovine growth hormone DNA, and a method of administering BGH in vivo
GB8500121D0 (en) * 1985-01-03 1985-02-13 Connaught Lab Microencapsulation of living cells
EP0213908A3 (fr) * 1985-08-26 1989-03-22 Hana Biologics, Inc. Tissu artificiel transplantable et procédé
JPS62166891A (ja) * 1986-01-20 1987-07-23 Snow Brand Milk Prod Co Ltd 細胞培養による有用物質の製造方法
US4952506A (en) * 1986-04-28 1990-08-28 Rohm And Haas Company Immobilization of nonanchorage-dependent cells
JPS6348039U (fr) * 1986-09-12 1988-04-01
JPS6379587A (ja) * 1986-09-22 1988-04-09 Saburo Senoo 細胞培養用基材
US5069831A (en) * 1988-12-22 1991-12-03 The Mead Corporation Method for separation of microcapsules and preparation of printing inks
US5800829A (en) * 1991-04-25 1998-09-01 Brown University Research Foundation Methods for coextruding immunoisolatory implantable vehicles with a biocompatible jacket and a biocompatible matrix core
DK0585368T3 (da) * 1991-04-25 1998-03-16 Univ Brown Res Found Implanterbart biokompatibelt immunisolatorisk vehikel til afgivelse af udvalgte terapeutiske produkter
IL102785A (en) * 1991-08-20 1998-06-15 Univ Leicester Method for removing protein from a water- soluble gum and a method of making biocompatible capsules using said gum
KR20010093331A (ko) * 1999-12-08 2001-10-27 드미트리 블라디미로비치 지빈 포유류의 생체 조직 내에서의 캡슐 형성을 위한폴리아크릴아미드 겔의 용도, 세포를 배양하는 방법, 및종양 질환과 당뇨병의 치료방법
GB201408233D0 (en) 2014-05-09 2014-06-25 Austrianova Singapore Pte Ltd Use of polyanionic composition
WO2020066306A1 (fr) * 2018-09-28 2020-04-02 富士フイルム株式会社 Structure cellulaire, procédé de production de structure cellulaire, procédé de culture cellulaire et voie de micro-écoulement
CN114504561B (zh) * 2022-03-01 2023-08-11 陕西科技大学 一种用于制备药物渗透泵制剂的水性包衣方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL246985A (fr) * 1958-12-31
FR1542881A (fr) * 1966-10-10 1968-10-18 Ncr Co Procédé de préparation de capsules minuscules à base de polymère
CH573212A5 (en) * 1973-06-29 1976-03-15 Feller Marc Rech Tech Et Et Sc Delayed release agricultural formulations - of herbicide or insecticide absorbed on porous carrier and coed with isolating layer
US4352883A (en) * 1979-03-28 1982-10-05 Damon Corporation Encapsulation of biological material

Also Published As

Publication number Publication date
FR2501528A1 (fr) 1982-09-17
NO158284C (no) 1988-08-17
NO158284B (no) 1988-05-09
FR2501528B1 (fr) 1984-06-15
IT1150681B (it) 1986-12-17
GB2094750A (en) 1982-09-22
NO820795L (no) 1982-09-14
SE454181B (sv) 1988-04-11
JPS6152737B2 (fr) 1986-11-14
DK112382A (da) 1982-09-14
SE8201557L (sv) 1982-09-14
JPS57197031A (en) 1982-12-03
GB2094750B (en) 1984-08-22
CA1184518A (fr) 1985-03-26
DE3209045C2 (de) 1986-06-19
DE3209045A1 (de) 1982-09-30
IT8220139A0 (it) 1982-03-12
CH651579A5 (de) 1985-09-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DAMON BIOTECH INC.

Effective date: 19890331