JPS6238327B2 - - Google Patents
Info
- Publication number
- JPS6238327B2 JPS6238327B2 JP60109506A JP10950685A JPS6238327B2 JP S6238327 B2 JPS6238327 B2 JP S6238327B2 JP 60109506 A JP60109506 A JP 60109506A JP 10950685 A JP10950685 A JP 10950685A JP S6238327 B2 JPS6238327 B2 JP S6238327B2
- Authority
- JP
- Japan
- Prior art keywords
- microcapsules
- polylysine
- sodium alginate
- microcapsule
- solution
- 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
Links
- 239000003094 microcapsule Substances 0.000 claims description 92
- 239000012528 membrane Substances 0.000 claims description 59
- 229920000656 polylysine Polymers 0.000 claims description 52
- 108010039918 Polylysine Proteins 0.000 claims description 45
- 239000002775 capsule Substances 0.000 claims description 44
- 210000004153 islets of langerhan Anatomy 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 36
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical group CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 32
- 239000000661 sodium alginate Substances 0.000 claims description 32
- 235000010413 sodium alginate Nutrition 0.000 claims description 32
- 229940005550 sodium alginate Drugs 0.000 claims description 32
- 239000011162 core material Substances 0.000 claims description 29
- 210000001519 tissue Anatomy 0.000 claims description 27
- 239000000243 solution Substances 0.000 claims description 26
- 206010012601 diabetes mellitus Diseases 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 20
- 241001465754 Metazoa Species 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 15
- 229940072056 alginate Drugs 0.000 claims description 14
- 235000010443 alginic acid Nutrition 0.000 claims description 14
- 229920000615 alginic acid Polymers 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 13
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 12
- 210000004369 blood Anatomy 0.000 claims description 12
- 239000008280 blood Substances 0.000 claims description 12
- 125000003277 amino group Chemical group 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000000499 gel Substances 0.000 claims description 9
- 239000000017 hydrogel Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 8
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 235000015097 nutrients Nutrition 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 102000004169 proteins and genes Human genes 0.000 claims description 7
- 108090000623 proteins and genes Proteins 0.000 claims description 7
- 238000002513 implantation Methods 0.000 claims description 6
- 230000004060 metabolic process Effects 0.000 claims description 6
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 6
- 239000004626 polylactic acid Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 108090000790 Enzymes Proteins 0.000 claims description 4
- 102000004190 Enzymes Human genes 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 238000005342 ion exchange Methods 0.000 claims description 4
- 229920001282 polysaccharide Polymers 0.000 claims description 4
- 239000005017 polysaccharide Substances 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 230000002503 metabolic effect Effects 0.000 claims description 3
- 239000002195 soluble material Substances 0.000 claims description 3
- 239000000560 biocompatible material Substances 0.000 claims description 2
- 150000003384 small molecules Chemical class 0.000 claims description 2
- 150000004676 glycans Chemical class 0.000 claims 2
- 239000012466 permeate Substances 0.000 claims 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims 1
- 229910001424 calcium ion Inorganic materials 0.000 claims 1
- 210000000987 immune system Anatomy 0.000 claims 1
- 210000005228 liver tissue Anatomy 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 30
- 238000001727 in vivo Methods 0.000 description 17
- 229920002873 Polyethylenimine Polymers 0.000 description 16
- 241000700159 Rattus Species 0.000 description 13
- 238000002054 transplantation Methods 0.000 description 9
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 8
- 239000008103 glucose Substances 0.000 description 8
- 239000002609 medium Substances 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 8
- 230000035699 permeability Effects 0.000 description 6
- 239000000648 calcium alginate Substances 0.000 description 5
- 235000010410 calcium alginate Nutrition 0.000 description 5
- 229960002681 calcium alginate Drugs 0.000 description 5
- OKHHGHGGPDJQHR-YMOPUZKJSA-L calcium;(2s,3s,4s,5s,6r)-6-[(2r,3s,4r,5s,6r)-2-carboxy-6-[(2r,3s,4r,5s,6r)-2-carboxylato-4,5,6-trihydroxyoxan-3-yl]oxy-4,5-dihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate Chemical compound [Ca+2].O[C@@H]1[C@H](O)[C@H](O)O[C@@H](C([O-])=O)[C@H]1O[C@H]1[C@@H](O)[C@@H](O)[C@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@H](O2)C([O-])=O)O)[C@H](C(O)=O)O1 OKHHGHGGPDJQHR-YMOPUZKJSA-L 0.000 description 5
- 230000003914 insulin secretion Effects 0.000 description 5
- 210000005229 liver cell Anatomy 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 5
- 241000699670 Mus sp. Species 0.000 description 4
- -1 alkali metal alginate Chemical class 0.000 description 4
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 4
- 230000000813 microbial effect Effects 0.000 description 4
- 230000004083 survival effect Effects 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- MKWKNSIESPFAQN-UHFFFAOYSA-N N-cyclohexyl-2-aminoethanesulfonic acid Chemical compound OS(=O)(=O)CCNC1CCCCC1 MKWKNSIESPFAQN-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 108700023471 alginate-polylysine-alginate Proteins 0.000 description 3
- 229920000249 biocompatible polymer Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000010261 cell growth Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000003743 erythrocyte Anatomy 0.000 description 3
- 239000001963 growth medium Substances 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000000496 pancreas Anatomy 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000008000 CHES buffer Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 2
- 102000004877 Insulin Human genes 0.000 description 2
- 108090001061 Insulin Proteins 0.000 description 2
- 241000699666 Mus <mouse, genus> Species 0.000 description 2
- GLNADSQYFUSGOU-GPTZEZBUSA-J Trypan blue Chemical compound [Na+].[Na+].[Na+].[Na+].C1=C(S([O-])(=O)=O)C=C2C=C(S([O-])(=O)=O)C(/N=N/C3=CC=C(C=C3C)C=3C=C(C(=CC=3)\N=N\C=3C(=CC4=CC(=CC(N)=C4C=3O)S([O-])(=O)=O)S([O-])(=O)=O)C)=C(O)C2=C1N GLNADSQYFUSGOU-GPTZEZBUSA-J 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002218 hypoglycaemic effect Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 230000028709 inflammatory response Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 229940125396 insulin Drugs 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000011866 long-term treatment Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002953 phosphate buffered saline Substances 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 229920001308 poly(aminoacid) Polymers 0.000 description 2
- 229920001184 polypeptide Polymers 0.000 description 2
- 150000004804 polysaccharides Chemical class 0.000 description 2
- 102000004196 processed proteins & peptides Human genes 0.000 description 2
- 108090000765 processed proteins & peptides Proteins 0.000 description 2
- 238000009256 replacement therapy Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 210000003491 skin Anatomy 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000035899 viability Effects 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 206010018691 Granuloma Diseases 0.000 description 1
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229930182555 Penicillin Natural products 0.000 description 1
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 1
- 241000009328 Perro Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 108010046334 Urease Proteins 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 229920001284 acidic polysaccharide Polymers 0.000 description 1
- 150000004805 acidic polysaccharides Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002785 anti-thrombosis Effects 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008827 biological function Effects 0.000 description 1
- 230000006406 biphasic response Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229940098773 bovine serum albumin Drugs 0.000 description 1
- 239000007975 buffered saline Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 230000003833 cell viability Effects 0.000 description 1
- 239000002801 charged material Substances 0.000 description 1
- 239000007979 citrate buffer Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 201000001421 hyperglycemia Diseases 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007912 intraperitoneal administration Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 210000003463 organelle Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000007981 phosphate-citrate buffer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000004850 proteinâprotein interaction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000003356 suture material Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Landscapes
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Prostheses (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Medicinal Preparation (AREA)
Description
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ãŒã«ã»ã¡ã°ã¬ããåã³ãšãã»ã¯ã°ããŒã®Europ.J.
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US613780 | 1984-05-24 | ||
| US06/613,780 US4673566A (en) | 1983-06-01 | 1984-05-24 | Microencapsulation of living tissue and cells |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60258121A JPS60258121A (ja) | 1985-12-20 |
| JPS6238327B2 true JPS6238327B2 (ja) | 1987-08-17 |
Family
ID=24458652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60109506A Granted JPS60258121A (ja) | 1984-05-24 | 1985-05-23 | çããçµç¹ã现èã®ãã€ã¯ãã«ãã»ã«åã³ãã®è£œé æ¹æ³ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60258121A (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5770076A (en) * | 1994-03-07 | 1998-06-23 | The Regents Of The University Of California | Micromachined capsules having porous membranes and bulk supports |
| JP2008174510A (ja) * | 2007-01-19 | 2008-07-31 | Kyushu Univ | å€ç³è³ªåŸ®ç²ååã³å€ç³è³ªåŸ®ç²åã®è£œé æ¹æ³ |
| CA2708959C (en) * | 2007-12-20 | 2017-01-31 | Ethicon, Incorporated | Encapsulated kidney tissue |
| JP2019083794A (ja) * | 2017-11-10 | 2019-06-06 | æ°žå¶ãè¯äž | æ äœã®è£œé æ¹æ³ãããã³æ äœ |
| EP3954401A4 (en) | 2019-04-09 | 2022-06-01 | FUJIFILM Corporation | METHOD FOR PRODUCTION OF MICROCAPSULES AND COATING SOLUTION |
| US20220409773A1 (en) | 2019-06-28 | 2022-12-29 | Mochida Pharmaceutical Co., Ltd. | Transplantation device using chemically crosslinked alginic acid |
| AU2020482526A1 (en) | 2020-12-22 | 2023-07-06 | Mochida Pharmaceutical Co., Ltd. | Transplantation device using chemically crosslinked alginic acid |
-
1985
- 1985-05-23 JP JP60109506A patent/JPS60258121A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60258121A (ja) | 1985-12-20 |
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