FR2501528A1 - Procede de rupture selective d'une membrane permeable de microcapsules - Google Patents
Procede de rupture selective d'une membrane permeable de microcapsules Download PDFInfo
- Publication number
- FR2501528A1 FR2501528A1 FR8204243A FR8204243A FR2501528A1 FR 2501528 A1 FR2501528 A1 FR 2501528A1 FR 8204243 A FR8204243 A FR 8204243A FR 8204243 A FR8204243 A FR 8204243A FR 2501528 A1 FR2501528 A1 FR 2501528A1
- Authority
- FR
- France
- Prior art keywords
- polymer
- solution
- membrane
- cations
- capsules
- 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.)
- Granted
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
-
- 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
-
- 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
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/0012—Cell encapsulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K2035/126—Immunoprotecting barriers, e.g. jackets, diffusion chambers
- A61K2035/128—Immunoprotecting barriers, e.g. jackets, diffusion chambers capsules, e.g. microcapsules
-
- 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
- C12N2533/00—Supports or coatings for cell culture, characterised by material
- C12N2533/70—Polysaccharides
- C12N2533/74—Alginate
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)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (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 Containing Material From Animals Or Micro-Organisms (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24358481A | 1981-03-13 | 1981-03-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2501528A1 true FR2501528A1 (fr) | 1982-09-17 |
FR2501528B1 FR2501528B1 (da) | 1984-06-15 |
Family
ID=22919328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8204243A Granted FR2501528A1 (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 (da) |
BE (1) | BE892477A (da) |
CA (1) | CA1184518A (da) |
CH (1) | CH651579A5 (da) |
DE (1) | DE3209045C2 (da) |
DK (1) | DK112382A (da) |
FR (1) | FR2501528A1 (da) |
GB (1) | GB2094750B (da) |
IT (1) | IT1150681B (da) |
NO (1) | NO158284C (da) |
SE (1) | SE454181B (da) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2501715A1 (fr) * | 1981-03-13 | 1982-09-17 | Damon Corp | Procede de culture de cellules necessitant une fixation pour la fabrication de substances therapeutiques |
FR2503183A1 (fr) * | 1981-03-13 | 1982-10-08 | Damon Corp | Procede et ensemble de production de substances formees par des cellules vivantes |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD160393A3 (de) * | 1980-11-14 | 1983-07-27 | Horst Dautzenberg | Mikrokapseln und verfahren zu ihrer herstellung |
US4582799A (en) * | 1983-04-15 | 1986-04-15 | Damon Biotech, Inc. | Process for recovering nonsecreted substances produced by cells |
EP0127989A3 (en) * | 1983-06-01 | 1986-03-26 | Connaught Laboratories Limited | Microencapsulation of living tissue and cells |
CA1196862A (en) * | 1983-06-01 | 1985-11-19 | Anthony M.F. Sun | Microencapsulation of living tissue and cells |
CA1245984A (en) * | 1983-09-01 | 1988-12-06 | Damon Biotech, Inc. | Polyionic microencapsulation |
US4663286A (en) * | 1984-02-13 | 1987-05-05 | Damon Biotech, Inc. | Encapsulation of materials |
EP0152898B1 (en) * | 1984-02-15 | 1990-01-17 | Massachusetts Institute Of Technology | Process for encapsulation and encapsulated active material system( |
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 (en) * | 1985-08-26 | 1989-03-22 | Hana Biologics, Inc. | Transplantable artificial tissue and process |
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 (da) * | 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 |
WO2001041809A1 (fr) * | 1999-12-08 | 2001-06-14 | Dmitry Vladimirovich Zybin | Utilisation d'un gel polyacrilamide pour former une capsule dans un tissu d'un mammalien, procede de culture de cellules et procede de traitement des maladies oncologiques et du diabete sucre |
GB201408233D0 (en) | 2014-05-09 | 2014-06-25 | Austrianova Singapore Pte Ltd | Use of polyanionic composition |
WO2020066306A1 (ja) * | 2018-09-28 | 2020-04-02 | 富士フイルム株式会社 | 細胞構造体、細胞構造体の製造方法、細胞培養方法及びマイクロ流路 |
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3190837A (en) * | 1958-12-31 | 1965-06-22 | Ncr Co | Making individual capsules by dual deposition |
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 |
GB2046209A (en) * | 1979-03-28 | 1980-11-12 | Damon Corp | Encapsulation of chemically active, biologically active materials and viable tissue |
-
1982
- 1982-03-11 NO NO820795A patent/NO158284C/no unknown
- 1982-03-12 DE DE3209045A patent/DE3209045C2/de not_active Expired
- 1982-03-12 IT IT20139/82A patent/IT1150681B/it active
- 1982-03-12 SE SE8201557A patent/SE454181B/sv not_active IP Right Cessation
- 1982-03-12 DK DK112382A patent/DK112382A/da not_active Application Discontinuation
- 1982-03-12 CH CH1574/82A patent/CH651579A5/de not_active IP Right Cessation
- 1982-03-12 JP JP57038239A patent/JPS57197031A/ja active Granted
- 1982-03-12 FR FR8204243A patent/FR2501528A1/fr active Granted
- 1982-03-12 CA CA000398210A patent/CA1184518A/en not_active Expired
- 1982-03-12 BE BE0/207557A patent/BE892477A/fr not_active IP Right Cessation
- 1982-03-12 GB GB8207308A patent/GB2094750B/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3190837A (en) * | 1958-12-31 | 1965-06-22 | Ncr Co | Making individual capsules by dual deposition |
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 |
GB2046209A (en) * | 1979-03-28 | 1980-11-12 | Damon Corp | Encapsulation of chemically active, biologically active materials and viable tissue |
Non-Patent Citations (2)
Title |
---|
CHEMICAL ABSTRACTS, vol.90, no.17, 23 avril 1979, page 554, résumé no.138191c, COLUMBUS OHIO (US) * |
CHEMICAL ABSTRACTS, vol.94, no.4, janvier 1981, page 301, résumé no.20305x, COLUMBUS OHIO (US) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2501715A1 (fr) * | 1981-03-13 | 1982-09-17 | Damon Corp | Procede de culture de cellules necessitant une fixation pour la fabrication de substances therapeutiques |
FR2503183A1 (fr) * | 1981-03-13 | 1982-10-08 | Damon Corp | Procede et ensemble de production de substances formees par des cellules vivantes |
Also Published As
Publication number | Publication date |
---|---|
SE8201557L (sv) | 1982-09-14 |
JPS57197031A (en) | 1982-12-03 |
CA1184518A (en) | 1985-03-26 |
CH651579A5 (de) | 1985-09-30 |
DK112382A (da) | 1982-09-14 |
IT8220139A0 (it) | 1982-03-12 |
IT1150681B (it) | 1986-12-17 |
JPS6152737B2 (da) | 1986-11-14 |
BE892477A (fr) | 1982-07-01 |
FR2501528B1 (da) | 1984-06-15 |
GB2094750A (en) | 1982-09-22 |
DE3209045A1 (de) | 1982-09-30 |
NO158284C (no) | 1988-08-17 |
NO158284B (no) | 1988-05-09 |
SE454181B (sv) | 1988-04-11 |
DE3209045C2 (de) | 1986-06-19 |
NO820795L (no) | 1982-09-14 |
GB2094750B (en) | 1984-08-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2501528A1 (fr) | Procede de rupture selective d'une membrane permeable de microcapsules | |
US4407957A (en) | Reversible microencapsulation of a core material | |
FR2503183A1 (fr) | Procede et ensemble de production de substances formees par des cellules vivantes | |
US5876742A (en) | Biological tissue transplant coated with stabilized multilayer alginate coating suitable for transplantation and method of preparation thereof | |
US4673566A (en) | Microencapsulation of living tissue and cells | |
FR2559502A1 (fr) | Procede d'encapsulation, notamment de cellules, dans des membranes semi-permeables | |
JPS6038111B2 (ja) | 固定依存性細胞の培養法 | |
US5531997A (en) | Coated transplant and method for making same | |
JPH07507550A (ja) | 非繊維形成誘導性アルギン酸被覆移植体,その製造方法およびその使用方法 | |
JPS6239131B2 (da) | ||
WO1994023832A1 (fr) | Utilisation d'une reaction de transacylation entre un polysaccharide esterifie et une polyamine pour former en milieu aqueux une membrane au moins en surface de particules gelifiees, particules ainsi realisees, procedes et compositions en contenant | |
JPS61189218A (ja) | カプセル封入方法 | |
FR2551455A1 (fr) | Procede de microencapsulation polyionique d'une matiere centrale sensible au sein d'une membrane semi-permeable, et capsules obtenues | |
FR2544330A1 (fr) | Procede, par encapsulation et lyse de la membrane cellulaire, de recuperation et de purification d'une substance elaboree mais non excretee par des cellules | |
RU2385887C2 (ru) | Формованное изделие и способ его получения | |
JPH11501512A (ja) | ゲル化ポリマーによる新規の被包方法 | |
FR2836923A1 (fr) | Support pour culture de cellules et procede pour cultiver des cellules. | |
KR101287362B1 (ko) | 실리카층이 형성된 가지 고분자 미세구체 | |
WO1988000237A1 (en) | Covalent membranes | |
Miguezb et al. | Preparation and scanning electronic microscopy study of chitosan/polyvinyl (alcohol)-encapsulated crude urease extract | |
CN116725884B (zh) | 一种鲜花锁香的方法 | |
Iwata et al. | Agarose | |
Silva et al. | Marılia Clemente Velez Mateus 9.1 Introduction 9.1. | |
De Smet et al. | EMERGING TECHNIQUES, MATERIALS, AND APPLICATIONS IN CELL IMMOBILIZATION |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |