DE2717965C2 - Verfahren zur Herstellung von porösen Zelluloseperlen - Google Patents

Verfahren zur Herstellung von porösen Zelluloseperlen

Info

Publication number: DE2717965C2
Authority: DE; Germany
Prior art keywords: beads; cellulose; solution; porous; enzymes
Prior art date: 1976-04-22
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

DE19772717965

Other languages

German (de)

English (en)

Other versions

DE2717965A1 (de

Inventor

Li Fu Lafayette Ind. Chen

George Tsu-Ning Tsao

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.)

Purdue Research Foundation

Original Assignee

Purdue Research Foundation

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.)

1976-04-22

Filing date

1977-04-21

Publication date

1986-06-26

1976-04-22 Priority claimed from US05/679,497 external-priority patent/US4063017A/en

1977-04-21 Application filed by Purdue Research Foundation filed Critical Purdue Research Foundation

1977-11-10 Publication of DE2717965A1 publication Critical patent/DE2717965A1/de

1986-06-26 Application granted granted Critical

1986-06-26 Publication of DE2717965C2 publication Critical patent/DE2717965C2/de

Status Expired legal-status Critical Current

Links

229920002678 cellulose Polymers 0.000 title claims description 198
239000001913 cellulose Substances 0.000 title claims description 198
239000011324 bead Substances 0.000 title claims description 188
238000000034 method Methods 0.000 title claims description 36
238000004519 manufacturing process Methods 0.000 title claims description 12
230000008569 process Effects 0.000 title claims description 7
239000000243 solution Substances 0.000 claims description 103
108090000790 Enzymes Proteins 0.000 claims description 82
102000004190 Enzymes Human genes 0.000 claims description 82
239000002904 solvent Substances 0.000 claims description 54
238000001556 precipitation Methods 0.000 claims description 37
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 36
239000011148 porous material Substances 0.000 claims description 32
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
239000000203 mixture Substances 0.000 claims description 17
239000003431 cross linking reagent Substances 0.000 claims description 9
239000007864 aqueous solution Substances 0.000 claims description 7
230000008878 coupling Effects 0.000 claims description 7
238000010168 coupling process Methods 0.000 claims description 7
238000005859 coupling reaction Methods 0.000 claims description 7
230000007062 hydrolysis Effects 0.000 claims description 6
238000006460 hydrolysis reaction Methods 0.000 claims description 6
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239000011049 pearl Substances 0.000 description 29
ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 18
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GUBGYTABKSRVRQ-WFVLMXAXSA-N DEAE-cellulose Chemical compound OC1C(O)C(O)C(CO)O[C@H]1O[C@@H]1C(CO)OC(O)C(O)C1O GUBGYTABKSRVRQ-WFVLMXAXSA-N 0.000 description 7
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XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 7
KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 7
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239000000725 suspension Substances 0.000 description 7
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
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239000005715 Fructose Substances 0.000 description 6
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239000005057 Hexamethylene diisocyanate Substances 0.000 description 5
239000012153 distilled water Substances 0.000 description 5
238000009826 distribution Methods 0.000 description 5
RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 5
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 5
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DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 5
WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 4
239000003054 catalyst Substances 0.000 description 4
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JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
239000006185 dispersion Substances 0.000 description 4
238000011068 loading method Methods 0.000 description 4
239000011780 sodium chloride Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
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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 3
229930006000 Sucrose Natural products 0.000 description 3
CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
MZVQCMJNVPIDEA-UHFFFAOYSA-N [CH2]CN(CC)CC Chemical group [CH2]CN(CC)CC MZVQCMJNVPIDEA-UHFFFAOYSA-N 0.000 description 3
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230000008859 change Effects 0.000 description 3
239000003153 chemical reaction reagent Substances 0.000 description 3
ATDGTVJJHBUTRL-UHFFFAOYSA-N cyanogen bromide Chemical compound BrC#N ATDGTVJJHBUTRL-UHFFFAOYSA-N 0.000 description 3
238000009792 diffusion process Methods 0.000 description 3
239000008103 glucose Substances 0.000 description 3
125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
239000012442 inert solvent Substances 0.000 description 3
239000001573 invertase Substances 0.000 description 3
235000011073 invertase Nutrition 0.000 description 3
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
230000000704 physical effect Effects 0.000 description 3
230000001376 precipitating effect Effects 0.000 description 3
239000011541 reaction mixture Substances 0.000 description 3
239000000758 substrate Substances 0.000 description 3
239000005720 sucrose Substances 0.000 description 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 2
239000008351 acetate buffer Substances 0.000 description 2
239000011149 active material Substances 0.000 description 2
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238000001311 chemical methods and process Methods 0.000 description 2
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DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
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238000001035 drying Methods 0.000 description 2
235000015203 fruit juice Nutrition 0.000 description 2
125000000524 functional group Chemical group 0.000 description 2
RMAHPRNLQIRHIJ-UHFFFAOYSA-N methyl carbamimidate Chemical compound COC(N)=N RMAHPRNLQIRHIJ-UHFFFAOYSA-N 0.000 description 2
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239000001648 tannin Substances 0.000 description 2
WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
KIBSOTBNTJJDBS-UHFFFAOYSA-N 1,2-dichloroethane methylsulfinylmethane Chemical compound CS(C)=O.ClCCCl KIBSOTBNTJJDBS-UHFFFAOYSA-N 0.000 description 1
CUOMGDRCUPNBNC-UHFFFAOYSA-N 1,2-dichloroethane;dichloromethane Chemical compound ClCCl.ClCCCl CUOMGDRCUPNBNC-UHFFFAOYSA-N 0.000 description 1
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RAGSWDIQBBZLLL-UHFFFAOYSA-N 2-chloroethyl(diethyl)azanium;chloride Chemical compound Cl.CCN(CC)CCCl RAGSWDIQBBZLLL-UHFFFAOYSA-N 0.000 description 1
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108010059881 Lactase Proteins 0.000 description 1
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229920000168 Microcrystalline cellulose Polymers 0.000 description 1
239000000020 Nitrocellulose Substances 0.000 description 1
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
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ZMXDDKWLCZADIW-UHFFFAOYSA-N Vilsmeier-Haack reagent Natural products CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
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150000001720 carbohydrates Chemical class 0.000 description 1
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SUTYQJRWOFHRQW-UHFFFAOYSA-N cyclohexanone propan-2-one Chemical compound CC(=O)C.C1(CCCCC1)=O.CC(=O)C SUTYQJRWOFHRQW-UHFFFAOYSA-N 0.000 description 1
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Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
- 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
- C12N11/10—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a carbohydrate
- C12N11/12—Cellulose or derivatives thereof
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S530/00—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
- Y10S530/81—Carrier - bound or immobilized peptides or proteins and the preparation thereof, e.g. biological cell or cell fragment as carrier
- Y10S530/812—Peptides or proteins is immobilized on, or in, an organic carrier
- Y10S530/813—Carrier is a saccharide
- Y10S530/814—Cellulose or derivatives thereof

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Bioinformatics & Cheminformatics (AREA)
Genetics & Genomics (AREA)
Zoology (AREA)
Biochemistry (AREA)
Materials Engineering (AREA)
Biotechnology (AREA)
Biomedical Technology (AREA)
General Engineering & Computer Science (AREA)
General Health & Medical Sciences (AREA)
Molecular Biology (AREA)
Microbiology (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Enzymes And Modification Thereof (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)

DE19772717965 1976-04-22 1977-04-21 Verfahren zur Herstellung von porösen Zelluloseperlen Expired DE2717965C2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/679,497 US4063017A (en)	1976-04-22	1976-04-22	Porous cellulose beads and the immobilization of enzymes therewith
US05/779,950 US4090022A (en)	1976-04-22	1977-03-21	Porous cellulose beads

Publications (2)

Publication Number	Publication Date
DE2717965A1 DE2717965A1 (de)	1977-11-10
DE2717965C2 true DE2717965C2 (de)	1986-06-26

Family

ID=27102254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19772717965 Expired DE2717965C2 (de)	1976-04-22	1977-04-21	Verfahren zur Herstellung von porösen Zelluloseperlen

Country Status (7)

Country	Link
JP (1)	JPS52129788A (da)
CA (1)	CA1076047A (da)
DE (1)	DE2717965C2 (da)
DK (1)	DK158005C (da)
FR (1)	FR2348942A1 (da)
GB (1)	GB1575700A (da)
SE (2)	SE434848B (da)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2621974A1 (de) *	1976-05-18	1977-11-24	Max Planck Gesellschaft	Verfahren zur herstellung eines zur kovalenten bindung mit biologisch aktivem material befaehigten traegermaterials
JPS55129156A (en) *	1979-03-30	1980-10-06	Chisso Corp	Production of cross-linked cellulosic ion exchange body spherical particle
JPS5624429A (en) *	1979-08-03	1981-03-09	Yoshiaki Motozato	Preparation of porous spherical particle of cellulose
JPS5738801A (en) *	1980-08-21	1982-03-03	Chisso Corp	Production of porous spherical cellulose particle
CA1235119A (en) *	1984-01-24	1988-04-12	Kazuhiro Yamazaki	Porous spherical cellulose acetate particles
FR2567133A1 (fr) *	1984-07-06	1986-01-10	Inst Nat Sante Rech Med	Procede de fixation de molecules, notamment biologiques, sur un support et filtres obtenus
JPH0629336B2 (ja) *	1986-05-15	1994-04-20	ダイセル化学工業株式会社	セルロ−ス有機酸エステルビ−ズの製造法
JPH0762042B2 (ja) *	1986-05-27	1995-07-05	ダイセル化学工業株式会社	セルロ−ス微小球体の製法
EP0265924B2 (en) *	1986-10-29	1998-04-22	Kanegafuchi Kagaku Kogyo Kabushiki Kaisha	Uniform polymer particles
JPH01254256A (ja) *	1988-04-05	1989-10-11	Kanebo Ltd	多孔性イオン交換セルローズ粒子およびその製造法
EP0377046B1 (en) *	1988-04-05	1993-08-04	Kanebo Ltd.	Fine particles of porous ion-exchange cellulose, process for their production, and affinity carrier
JPH02208330A (ja) *	1989-02-08	1990-08-17	Asahi Chem Ind Co Ltd	糸状またはフィルム状セルロース多孔体及びその製造方法
JPH02208331A (ja) *	1989-02-08	1990-08-17	Asahi Chem Ind Co Ltd	改質したセルロース多孔体
JPH03290443A (ja) *	1990-04-06	1991-12-20	Sakai Eng Kk	イオン交換能を持つ官能基を導入したセルロース連続発泡体形成物
SE9002017D0 (sv) *	1990-06-06	1990-06-06	Kabivitrum Ab	Process for manufacture of matrices
SE9301220D0 (sv) *	1993-04-14	1993-04-14	Kabi Pharmacia Ab	Manufacturing matrices
AT412404B (de) *	2003-01-20	2005-02-25	Chemiefaser Lenzing Ag	Verfahren zur herstellung eines porösen cellulosischen körpers
GB0515577D0 (en) *	2005-07-29	2005-09-07	Amersham Biosciences Ab	Process for cross-linking cellulose ester membranes
GB0702504D0 (en) *	2007-02-09	2007-03-21	Ge Healthcare Bio Sciences Ab	Cross-linked cellulose membranes
DE102011117136A1 (de) *	2011-10-25	2013-04-25	JeNaCell GmbH	Verfahren zur Generierung getrockneter Cellulose und cellulosehaltigen Materials sowie nach diesem Verfahren hergestellte requellbare Celluloseprodukte
EP3173437B1 (en) *	2014-07-22	2020-09-02	Daicel Corporation	Method for producing spehrical porous cellulose particles
JP6742302B2 (ja) *	2015-04-03	2020-08-19	株式会社ダイセル	多孔質セルロース媒体の製造方法
CN112279304A (zh) *	2020-08-26	2021-01-29	甘肃农业职业技术学院	一种Fe3O4/多孔碳纳米纤维及其制备方法和应用

1977
- 1977-04-15 SE SE7704338A patent/SE434848B/xx not_active IP Right Cessation
- 1977-04-21 CA CA276,681A patent/CA1076047A/en not_active Expired
- 1977-04-21 JP JP4633477A patent/JPS52129788A/ja active Granted
- 1977-04-21 DK DK175777A patent/DK158005C/da not_active IP Right Cessation
- 1977-04-21 FR FR7712046A patent/FR2348942A1/fr active Granted
- 1977-04-21 DE DE19772717965 patent/DE2717965C2/de not_active Expired
- 1977-04-22 GB GB1686077A patent/GB1575700A/en not_active Expired
1982
- 1982-07-20 SE SE8204400A patent/SE452161B/sv not_active IP Right Cessation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number	Publication date
DK175777A (da)	1977-10-23
SE452161B (sv)	1987-11-16
FR2348942A1 (fr)	1977-11-18
SE8204400L (sv)	1982-07-20
SE7704338L (sv)	1977-10-23
JPS52129788A (en)	1977-10-31
CA1076047A (en)	1980-04-22
FR2348942B3 (da)	1980-02-29
DK158005C (da)	1990-08-27
DK158005B (da)	1990-03-12
GB1575700A (en)	1980-09-24
DE2717965A1 (de)	1977-11-10
SE434848B (sv)	1984-08-20
SE8204400D0 (sv)	1982-07-20
JPS638121B2 (da)	1988-02-20

Publication	Publication Date	Title
DE2717965C2 (de)	1986-06-26	Verfahren zur Herstellung von porösen Zelluloseperlen
DE69433398T2 (de)	2004-06-09	Verfahren zur Herstellung von immobilisierten Enzymkonjugaten und so erhaltene immobilisierte Enzymkonjugate
DE2246002C3 (de)	1979-09-06	Verfahren zur Herstellung eines wasserunlöslichen Enzympräparates und seine Verwendung zur Durchführung biotechnischer Reaktionen
DE2633259C3 (de)	1984-11-15	Verfahren zum Unbeweglichmachen von Enzymen oder enzymhaltigen Zellen
DE3688493T2 (de)	1993-09-09	Immobilisierung von biokatalysatoren auf koernigem kieselguhr.
DE2527884C2 (da)	1988-05-26
DE3520001C2 (de)	1994-09-29	Verfahren zur Herstellung immobilisierter Mikroorganismen oder Enzyme
CH641479A5 (de)	1984-02-29	Verfahren zur herstellung eines zur kovalenten bindung mit biologisch aktivem material befaehigten traegermaterials.
DE3027929C2 (de)	1982-12-09	Herstellung von Polysaccharid-Copolymerisaten aus Träger mit enzymatischer Aktivität
DE2636206C3 (de)	1981-06-04	Trägerfixierte Enzyme sowie ihre Herstellung und Anwendung
DE2405316B2 (de)	1977-08-25	Immobilisiertes enzympraeparat
DE3133123A1 (de)	1982-04-29	Verfahren zur herstellung von palatinose durch unbeweglich gemachte (alpha)-glukosyltransferase
DE3336257C2 (da)	1992-06-25
DE2915135A1 (de)	1979-10-31	Verfahren zur herstellung von immobilisierten enzymprodukten, die dabei erhaltenen produkte und deren verwendung
DE2405353A1 (de)	1974-08-22	Verfahren zur herstellung von fructose
DE2815908A1 (de)	1978-10-26	Agglomerierte faserartige cellulose
DE2727143C2 (da)	1989-03-23
DE1792026A1 (de)	1970-01-02	Ein unloesliches Enzym enthaltender Formkoerper,Verfahren zu seiner Herstellung und seine Verwendung
DE4239612A1 (de)	1994-05-26	Bioreaktor mit immobilisierten, Milchsäure-produzierenden Bakterien und dessen Verwendung in Fermentationsverfahren
DE69332597T2 (de)	2003-05-28	Enzym, das in einem Träger aus Aktivkohle und vernetzter Gelatine immobilisiert ist
DE2519382A1 (de)	1975-11-13	Verfahren zur gewinnung einer gereinigten alpha-galactosidase aus einer alpha-galactosidase enthaltenden fluessigkeit
DE69002459T2 (de)	1994-01-05	Immobilisierte lipaseherstellung und deren verwendung zur herstellung von estern.
DE2650815A1 (de)	1977-12-08	Verfahren zur herstellung von mit enzymen gekuppelten ultrafiltrationsmembranen
DE2410693A1 (de)	1974-09-12	Verfahren zum immobilisieren von enzymen
DE2713858A1 (de)	1977-10-06	Vorrichtung und verfahren zur reaktion mit immobilisierten enzymen

Legal Events

Date	Code	Title	Description
1984-06-14	8110	Request for examination paragraph 44
1986-06-26	D2	Grant after examination
1987-01-02	8364	No opposition during term of opposition
1992-06-17	8328	Change in the person/name/address of the agent	Free format text: STOLBERG-WERNIGERODE, GRAF ZU, U., DIPL.-CHEM. DR.RER.NAT. SUCHANTKE, J., DIPL.-ING., PAT.-ANWAELTE, 2000 HAMBURG