IT1066606B - Procedimento per la produzione di membrane per ultrafiltrazione accoppiate con enzima e membrana ottenuta - Google Patents

Procedimento per la produzione di membrane per ultrafiltrazione accoppiate con enzima e membrana ottenuta

Info

Publication number
IT1066606B
IT1066606B IT52051/76A IT5205176A IT1066606B IT 1066606 B IT1066606 B IT 1066606B IT 52051/76 A IT52051/76 A IT 52051/76A IT 5205176 A IT5205176 A IT 5205176A IT 1066606 B IT1066606 B IT 1066606B
Authority
IT
Italy
Prior art keywords
enzyme
procedure
production
ultrafiltration membranes
obtained membrane
Prior art date
Application number
IT52051/76A
Other languages
English (en)
Italian (it)
Original Assignee
Gregor Harry P
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 Gregor Harry P filed Critical Gregor Harry P
Application granted granted Critical
Publication of IT1066606B publication Critical patent/IT1066606B/it

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
    • C12N11/10—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a carbohydrate
    • C12N11/12—Cellulose or derivatives thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
    • A23C9/1203—Addition of, or treatment with, enzymes or microorganisms other than lactobacteriaceae
    • A23C9/1206—Lactose hydrolysing enzymes, e.g. lactase, beta-galactosidase
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
    • A23C9/1203—Addition of, or treatment with, enzymes or microorganisms other than lactobacteriaceae
    • A23C9/1209—Proteolytic or milk coagulating enzymes, e.g. trypsine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/142—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes with "carriers"
    • B01D69/144—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes with "carriers" containing embedded or bound biomolecules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/10—Cellulose; Modified cellulose
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF
    • A23C2220/00—Biochemical treatment
    • A23C2220/10—Enzymatic treatment
    • A23C2220/104—Enzymatic treatment with immobilised enzymes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Molecular Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT52051/76A 1975-11-07 1976-11-05 Procedimento per la produzione di membrane per ultrafiltrazione accoppiate con enzima e membrana ottenuta IT1066606B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/629,940 US4033822A (en) 1975-11-07 1975-11-07 Enzyme-coupled ultrafiltration membranes

Publications (1)

Publication Number Publication Date
IT1066606B true IT1066606B (it) 1985-03-12

Family

ID=24525105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52051/76A IT1066606B (it) 1975-11-07 1976-11-05 Procedimento per la produzione di membrane per ultrafiltrazione accoppiate con enzima e membrana ottenuta

Country Status (6)

Country Link
US (1) US4033822A (ref)
JP (1) JPS5284184A (ref)
DE (1) DE2650815A1 (ref)
FR (1) FR2330693A1 (ref)
GB (1) GB1519675A (ref)
IT (1) IT1066606B (ref)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163714A (en) * 1975-11-07 1979-08-07 Gregor Harry P Separating substances with pressure-driven affinity sorption membranes
JPS6029475B2 (ja) * 1978-09-29 1985-07-10 株式会社日立製作所 固定化酵素膜及びその製造方法
EP0069869B1 (en) * 1981-07-10 1985-09-11 Gambro Lundia AB A membrane and an arrangement for the removal of a substance from a solution
DK154394C (da) * 1982-10-21 1989-04-24 Apv Pasilac As Fremgangsmaade til at foroege kapaciteten af anlaeg for membranfiltrering af maelk eller maelkeprodukter til foderstoffer eller vaekstmedier.
DE3406562A1 (de) * 1984-02-23 1985-08-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Membran fuer die inaktivierung von heparin in blut und blutfraktionen, verfahren zu ihrer herstellung, ihre verwendung und verfahren zur inaktivierung von heparin in blut und blutfraktionen
US4693985A (en) * 1984-08-21 1987-09-15 Pall Corporation Methods of concentrating ligands and active membranes used therefor
EP0243471A4 (en) * 1985-10-22 1989-07-11 Cooper Lipotech Inc SOLID PHASE LIPOSOME IMMUNOANALYSIS SYSTEM.
DE3617399A1 (de) * 1986-05-23 1987-11-26 Siegel Rolf Unterlage fuer zellkulturen
US5130237A (en) * 1989-06-19 1992-07-14 Clemson University Substrate conversion with an enzyme immobilized on an ultrafiltration membrane
US5788862A (en) * 1992-05-13 1998-08-04 Pall Corporation Filtration medium
US5480554A (en) * 1992-05-13 1996-01-02 Pall Corporation Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
CA2353307A1 (fr) 2001-07-13 2003-01-13 Carmen Parent Appareil et procede pour le traitement des effluents gazeux
DE102012013385B4 (de) 2012-07-05 2014-10-09 Sartorius Stedim Biotech Gmbh Modifizierte poröse Membran, Verfahren und Vorrichtung dafür

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE337223B (ref) * 1967-05-23 1971-08-02 Pharmacia Ab
US3705084A (en) * 1970-03-18 1972-12-05 Monsanto Co Macroporous enzyme reactor
US3808305A (en) * 1971-07-27 1974-04-30 H Gregor Crosslinked,interpolymer fixed-charge membranes

Also Published As

Publication number Publication date
FR2330693B3 (ref) 1979-07-20
GB1519675A (en) 1978-08-02
JPS5284184A (en) 1977-07-13
US4033822A (en) 1977-07-05
DE2650815A1 (de) 1977-12-08
FR2330693A1 (fr) 1977-06-03

Similar Documents

Publication Publication Date Title
IT1062302B (it) Procedimento per la produzione di membrane semipermeabili
IT1079471B (it) Procedimento per la preparazione di membrane semipermeabili e prodotto ottenuto
IT1019215B (it) Membrana semipermeabile utile in particolare per la separazione di sostanze e procedimento per la sua produzione
AR219906A1 (es) Membrana semipermeable compuesta y metodo para la preparacion de dicha membrana
IT1078944B (it) Membrana di dialisi per emodialisi e procedimento per la sua produzione
IT987281B (it) Apparecchio per la coltura di cel lule su membrane semipermeabili tubolari
IT1014583B (it) Membrane asimmetriche di polimi di e procedimento per la loro preparazione
IT1048308B (it) Procedimento per la produzione di membrane semipermeabili utili in particolare per ultrafiltrazione osmosi inversa e simili e prodotoo ottenuto
CA976883A (en) Asymmetric hollow fiber membranes and method of fabrication
NO138076C (no) Membran for elektroakustisk omformer og elektroakustisk omformer med slikt membran, samt fremgangsmaate ved fremstilling av slik omformer
DE3772941D1 (de) Herstellung mikroporoeser asymetrischer membrane durch zweifache bestrahlung.
IT7949805A0 (it) Procedimento per la produzione di membrane con superficie porosa eprodotto ottenuto
IT1066729B (it) Procedimento per la produzione di membrane per ultrafiltrazione contenenti centri attivi di reazione e prodotto ottenuto
IT1066606B (it) Procedimento per la produzione di membrane per ultrafiltrazione accoppiate con enzima e membrana ottenuta
IT1032540B (it) Membrane ad levata diffusivita
IT1080521B (it) Procedimento per la produzione di membrane semi permeabili
IT8048528A0 (it) Procedimento per la produzione di membrane per ultrafiltrazione costituite da poliuretani lineari e prodotto ottenuto
IT1131098B (it) Procedimento per la preparazione di membrane anisotrope e membrane prodotte da esso
IT994997B (it) Membrane semipermeabili
IT1055704B (it) Membrane polimeriche permselettive di poliammidi o poliidrrazidi or ganiche
SE7714150L (sv) Semipermeabelt membran samt forfarande for tillverkning av detsamma
NL7903451A (nl) Ultrafiltratiemembranen en werkwijze ter vervaardiging daarvan.
IT1123942B (it) Membrane semipermeabili di capoliamidi e procedimento per la loro preparazione
IT1085160B (it) Membrane semipermeabili e procedimento per la loro produzione
IT7948386A0 (it) Procedimento per il trattamento di membrane semipermeabili e prodotto ottenuto