DK0599942T3 - Fremgangsmåde til fremstilling af biokompatible kapsler indeholdende celler. - Google Patents

Fremgangsmåde til fremstilling af biokompatible kapsler indeholdende celler.

Info

Publication number
DK0599942T3
DK0599942T3 DK92917748.3T DK92917748T DK0599942T3 DK 0599942 T3 DK0599942 T3 DK 0599942T3 DK 92917748 T DK92917748 T DK 92917748T DK 0599942 T3 DK0599942 T3 DK 0599942T3
Authority
DK
Denmark
Prior art keywords
gum
cells
pct
droplets
solution
Prior art date
Application number
DK92917748.3T
Other languages
English (en)
Inventor
Heather Anne Clayton
Roger Frank Lever James
Nicholas John Milton London
Original Assignee
Univ Leicester
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 GB919117980A external-priority patent/GB9117980D0/en
Priority claimed from GB929207143A external-priority patent/GB9207143D0/en
Application filed by Univ Leicester filed Critical Univ Leicester
Application granted granted Critical
Publication of DK0599942T3 publication Critical patent/DK0599942T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/04—Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres
    • 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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • 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
    • A61K9/5073—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 having two or more different coatings optionally including drug-containing subcoatings

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Dispersion Chemistry (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicinal Preparation (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
DK92917748.3T 1991-08-20 1992-08-14 Fremgangsmåde til fremstilling af biokompatible kapsler indeholdende celler. DK0599942T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB919117980A GB9117980D0 (en) 1991-08-20 1991-08-20 A method of making biocompatible capsules containing cells
GB929207143A GB9207143D0 (en) 1992-04-01 1992-04-01 A method of making biocompatible capsules containing cells
PCT/GB1992/001511 WO1993003710A1 (en) 1991-08-20 1992-08-14 A method of making biocompatible capsules containing cells

Publications (1)

Publication Number Publication Date
DK0599942T3 true DK0599942T3 (da) 1997-11-03

Family

ID=26299426

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92917748.3T DK0599942T3 (da) 1991-08-20 1992-08-14 Fremgangsmåde til fremstilling af biokompatible kapsler indeholdende celler.

Country Status (13)

Country Link
US (1) US5529913A (da)
EP (1) EP0599942B1 (da)
JP (1) JPH06510035A (da)
AT (1) ATE152616T1 (da)
AU (1) AU2443392A (da)
CA (1) CA2115664A1 (da)
DE (1) DE69219606T2 (da)
DK (1) DK0599942T3 (da)
ES (1) ES2101863T3 (da)
GR (1) GR3024007T3 (da)
IL (1) IL102785A (da)
MX (1) MX9204831A (da)
WO (1) WO1993003710A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9414304D0 (en) * 1994-07-15 1994-09-07 C V Lab Ltd Fibres, manufacture and use
WO2000031267A1 (en) * 1998-11-20 2000-06-02 The Autonomous University Of Barcelona Insulin production by engineered muscle cells
US6921412B1 (en) 1999-05-18 2005-07-26 Cryolife, Inc. Self-supporting, shaped, three-dimensional biopolymeric materials and methods
AU3458301A (en) * 2000-01-25 2001-08-07 Edwards Lifesciences Corporation Bioactive coatings to prevent tissue overgrowth on artificial heart valves
CA2421036A1 (en) 2000-09-20 2002-03-28 Islet Sheet Medical Llc Fabrication of thin sheet bio-artificial organs
US7226615B2 (en) * 2000-11-07 2007-06-05 Cryolife, Inc. Expandable foam-like biomaterials and methods
US20060246111A1 (en) * 2005-04-19 2006-11-02 Smith Larry L Polysaccharides as ultrasound transmission media
US20140017304A1 (en) * 2011-03-29 2014-01-16 Myriam Bosmans Method for encapsulated therapeutic products and uses thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO158284C (no) * 1981-03-13 1988-08-17 Damon Biotech Inc Fremgangsmaate for selektiv oppbrytning av en permeabel membran.
EP0301777A1 (en) * 1987-07-28 1989-02-01 Queen's University At Kingston Multiple membrane microencapsulation
US4923645A (en) * 1987-11-16 1990-05-08 Damon Biotech, Inc. Sustained release of encapsulated molecules

Also Published As

Publication number Publication date
MX9204831A (es) 1993-07-01
CA2115664A1 (en) 1993-03-04
GR3024007T3 (en) 1997-10-31
ES2101863T3 (es) 1997-07-16
US5529913A (en) 1996-06-25
JPH06510035A (ja) 1994-11-10
IL102785A (en) 1998-06-15
DE69219606T2 (de) 1997-09-04
DE69219606D1 (de) 1997-06-12
EP0599942A1 (en) 1994-06-08
AU2443392A (en) 1993-03-16
IL102785A0 (en) 1993-01-31
ATE152616T1 (de) 1997-05-15
WO1993003710A1 (en) 1993-03-04
EP0599942B1 (en) 1997-05-07

Similar Documents

Publication Publication Date Title
US4673566A (en) Microencapsulation of living tissue and cells
US4609551A (en) Process of and material for stimulating growth of cartilage and bony tissue at anatomical sites
US5429821A (en) Non-fibrogenic high mannuronate alginate coated transplants, processes for their manufacture, and methods for their use
US4689293A (en) Microencapsulation of living tissue and cells
US4806355A (en) Microencapsulation of living tissue and cells
US4592864A (en) Aqueous atelocollagen solution and method of preparing same
Goosen et al. Optimization of microencapsulation parameters: semipermeable microcapsules as a bioartificial pancreas
CA1215922A (en) Microencapsulation of living tissue and cells
EP0862391B1 (en) Retrievable bioartificial implants
EP0107055B1 (en) Artificial organs or membranes for medical use
AU681240B2 (en) Macroencapsulated secretory cells
US5871985A (en) Particulate non cross-linked chitosan core matrices for encapsulated cells
US4778749A (en) Tissue culture and production in permeable gels
JPH0534946B2 (da)
CA2212300A1 (en) In vitro or in vivo gelfying chitosan and therapeutic uses thereof
EP0127989A2 (en) Microencapsulation of living tissue and cells
DK0599942T3 (da) Fremgangsmåde til fremstilling af biokompatible kapsler indeholdende celler.
CN111265492A (zh) 一种具有润滑作用的温度响应性载药微球及其制备方法
US6262255B1 (en) Non-immunogenic, biocompatible macromolecular membrane compositions, and methods for making them
CA1280381C (en) Entrapment of anchorage-dependent cells
JPH0534051B2 (da)
Lyman Polymers in medicine
JPH0549335B2 (da)
CA2205446A1 (en) Biopolymer foams having extracellular matrix particulates