GB2145992B - Microencapsulation of viable cells - Google Patents

Microencapsulation of viable cells

Info

Publication number
GB2145992B
GB2145992B GB08422052A GB8422052A GB2145992B GB 2145992 B GB2145992 B GB 2145992B GB 08422052 A GB08422052 A GB 08422052A GB 8422052 A GB8422052 A GB 8422052A GB 2145992 B GB2145992 B GB 2145992B
Authority
GB
United Kingdom
Prior art keywords
microencapsulation
viable cells
viable
cells
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
GB08422052A
Other languages
English (en)
Other versions
GB8422052D0 (en
GB2145992A (en
Inventor
Allan P Jarvis
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.)
Abbott Biotech Inc
Original Assignee
Damon Biotech 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
Application filed by Damon Biotech Inc filed Critical Damon Biotech Inc
Publication of GB8422052D0 publication Critical patent/GB8422052D0/en
Publication of GB2145992A publication Critical patent/GB2145992A/en
Application granted granted Critical
Publication of GB2145992B publication Critical patent/GB2145992B/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/20—After-treatment of capsule walls, e.g. hardening
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Genetics & Genomics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biomedical Technology (AREA)
  • Biochemistry (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Peptides Or Proteins (AREA)
GB08422052A 1983-09-01 1984-08-31 Microencapsulation of viable cells Expired GB2145992B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52839583A 1983-09-01 1983-09-01

Publications (3)

Publication Number Publication Date
GB8422052D0 GB8422052D0 (en) 1984-10-03
GB2145992A GB2145992A (en) 1985-04-11
GB2145992B true GB2145992B (en) 1987-02-18

Family

ID=24105521

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08422052A Expired GB2145992B (en) 1983-09-01 1984-08-31 Microencapsulation of viable cells

Country Status (14)

Country Link
JP (1) JPS6075326A (da)
AU (1) AU563653B2 (da)
BE (1) BE900469A (da)
CA (1) CA1245984A (da)
CH (1) CH664472A5 (da)
DE (1) DE3432143A1 (da)
DK (1) DK419184A (da)
FR (1) FR2551455B1 (da)
GB (1) GB2145992B (da)
IL (1) IL72787A (da)
IT (1) IT1196742B (da)
NL (1) NL8402671A (da)
NO (1) NO843481L (da)
SE (1) SE8404343L (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7939103B2 (en) 2004-03-19 2011-05-10 Capsulution Pharma Ag Method for producing core-shell (CS) particles and microcapsules using porous templates, CS particles and microcapsules, and the use thereof

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175539A (ja) * 1984-02-23 1985-09-09 Snow Brand Milk Prod Co Ltd カプセル体およびその製造法
NO166836C (no) * 1985-03-14 1991-09-11 Univ California Fremgangsmaate for behandling av et organtransplantat.
GB8705464D0 (en) * 1987-03-09 1987-04-15 Atomic Energy Authority Uk Composite material
JPS6434436A (en) * 1987-07-28 1989-02-03 Sanyo Chemical Ind Ltd Gel cellular beads and manufacture thereof
CA1319632C (en) * 1988-04-22 1993-06-29 Carol Louise Nolan Method for microbial immobilization
US4952618A (en) * 1988-05-03 1990-08-28 Minnesota Mining And Manufacturing Company Hydrocolloid/adhesive composition
DE3941873A1 (de) * 1989-12-19 1991-06-20 Jakob Dr Bodziony Hohlfaser mit der beschichtung von zellen, die mehrjaehrige implantation in arterien und venen ermoeglichen
DE4012079C2 (de) * 1990-04-14 1997-11-06 Jakob Dr Bodziony Implantierbare Austausch- und Diffusionskammer
US5487390A (en) * 1990-10-05 1996-01-30 Massachusetts Institute Of Technology Gas-filled polymeric microbubbles for ultrasound imaging
US5149543A (en) * 1990-10-05 1992-09-22 Massachusetts Institute Of Technology Ionically cross-linked polymeric microcapsules
US5562099A (en) * 1990-10-05 1996-10-08 Massachusetts Institute Of Technology Polymeric microparticles containing agents for imaging
FR2694894B1 (fr) * 1992-08-20 1994-11-10 Coletica Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une substance polyaminée ou polyhydroxylée pour la fabrication de microparticules, procédé et composition.
FR2703927B1 (fr) * 1993-04-13 1995-07-13 Coletica Utilisation d'une réaction de transacylation entre un polysaccharide estérifié et une polyamine pour former en milieu aqueux une membrane au moins en surface de particules gélifiées.
DE4312970A1 (de) * 1993-04-21 1994-10-27 Juergen Dr Schrezenmeir Mikrokapsel sowie Verfahren und Vorrichtung zu ihrer Herstellung
DE4426396A1 (de) * 1994-07-26 1996-02-01 Ulrich Prof Dr Zimmermann Verfahren zur Herstellung konzentrierter Lösungen von mikroverkapselten Zellen oder von suspendierten Wirkstoffen in mikroverkapselter Form
US5540927A (en) * 1995-04-12 1996-07-30 Monsanto Company Microencapsulation process by coacervation
DE29924358U1 (de) * 1998-03-19 2003-01-02 Max Planck Gesellschaft Nano- und Mikrokapseln mit einer Polyelektrolythülle aus mehreren Polyelektrolytschichten
US7101575B2 (en) 1998-03-19 2006-09-05 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly
DE102005002483A1 (de) * 2005-01-18 2006-08-03 Ehrfeld Mikrotechnik Bts Gmbh Verfahren zum Einkapseln von Sensormolekülen mit einer semipermeablen Membran
FR2986165B1 (fr) * 2012-01-31 2015-07-24 Capsum Procede de preparation de capsules rigidifiees

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352883A (en) * 1979-03-28 1982-10-05 Damon Corporation Encapsulation of biological material
NO158284C (no) * 1981-03-13 1988-08-17 Damon Biotech Inc Fremgangsmaate for selektiv oppbrytning av en permeabel membran.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7939103B2 (en) 2004-03-19 2011-05-10 Capsulution Pharma Ag Method for producing core-shell (CS) particles and microcapsules using porous templates, CS particles and microcapsules, and the use thereof

Also Published As

Publication number Publication date
IL72787A0 (en) 1984-11-30
DE3432143A1 (de) 1985-03-21
DE3432143C2 (da) 1987-05-14
NL8402671A (nl) 1985-04-01
SE8404343D0 (sv) 1984-08-31
AU3263484A (en) 1985-03-07
CA1245984A (en) 1988-12-06
GB8422052D0 (en) 1984-10-03
GB2145992A (en) 1985-04-11
IT1196742B (it) 1988-11-25
CH664472A5 (de) 1988-03-15
BE900469A (fr) 1984-12-17
DK419184D0 (da) 1984-08-31
FR2551455A1 (fr) 1985-03-08
JPS6075326A (ja) 1985-04-27
IL72787A (en) 1987-12-31
IT8467874A0 (it) 1984-09-03
FR2551455B1 (fr) 1989-09-15
AU563653B2 (en) 1987-07-16
SE8404343L (sv) 1985-03-02
DK419184A (da) 1985-03-02
IT8467874A1 (it) 1986-03-03
NO843481L (no) 1985-03-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940831