[go: up one dir, main page]

Trusek, 2019 - Google Patents

Graphene oxide flake activation via divinylsulfone–a procedure for efficient β-galactosidase immobilization

Trusek, 2019

View PDF
Document ID
8170110861243409204
Author
Trusek A
Publication year
Publication venue
Polish Journal of Chemical Technology

External Links

Snippet

Flaky graphene oxide was activated with divinylsulfone followed by immobilization of the β- galactosidase enzyme. An active and stable preparation was obtained. β-galactosidase stability after immobilization was much higher than with the native enzyme. The half-life time …
Continue reading at sciendo.com (PDF) (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING OR MAINTAINING MICRO-ORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/14—Enzymes or microbial cells being immobilised on or in an inorganic carrier
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING OR MAINTAINING MICRO-ORGANISMS; 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 being immobilised on or in an organic carrier
    • C12N11/04—Enzymes or microbial cells being immobilised on or in an organic carrier entrapped within the carrier, e.g. gel, hollow fibre
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING OR MAINTAINING MICRO-ORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14—Hydrolases (3)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P1/00—Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using micro-organisms or enzymes
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
    • C12M25/16—Particles; Beads; Granular material; Encapsulation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING OR MAINTAINING MICRO-ORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Micro-organisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving micro-organisms or compositions thereof; Processes of preparing or isolating a composition containing a micro-organism; Culture media therefor

Similar Documents

Publication Publication Date Title
Neupane et al. Enhancing enzyme immobilization on carbon nanotubes via metal–organic frameworks for large-substrate biocatalysis
T. sriwong et al. Recent advances in enzyme immobilization utilizing nanotechnology for biocatalysis
Kuroiwa et al. Production of chitosan oligosaccharides using chitosanase immobilized on amylose-coated magnetic nanoparticles
Rai et al. Self-assembled hybrid nanoflowers of manganese phosphate and L-arabinose isomerase: A stable and recyclable nanobiocatalyst for equilibrium level conversion of D-galactose to D-tagatose
Randolph et al. Enzymatic oxidation of cholesterol aggregates in supercritical carbon dioxide
AU2005215846B2 (en) A solution of metal-polymer chelate(s) and applications thereof
Güleç Immobilization of β-galactosidase from Kluyveromyces lactis onto polymeric membrane surfaces: effect of surface characteristics
Al-Maqdi et al. Enzyme-loaded flower-shaped nanomaterials: a versatile platform with biosensing, biocatalytic, and environmental promise
Guerrero et al. Immobilization of Aspergillus oryzae β-galactosidase in an agarose matrix functionalized by four different methods and application to the synthesis of lactulose
Song et al. Optimization of lactulose synthesis from whey lactose by immobilized β-galactosidase and glucose isomerase
Mafra et al. Combi-CLEAs of glucose oxidase and catalase for conversion of glucose to gluconic acid eliminating the hydrogen peroxide to maintain enzyme activity in a bubble column reactor
Kuroiwa et al. Selective and stable production of physiologically active chitosan oligosaccharides using an enzymatic membrane bioreactor
Wang et al. Polyamidoamine dendrimer as a spacer for the immobilization of glucose oxidase in capillary enzyme microreactor
Cui et al. Glucose oxidation performance is improved by the use of a supramolecular self-assembly of glucose oxidase and catalase
Trusek et al. 3D enzymatic preparations with graphene oxide flakes and hydrogel to obtain lactose-free products
Bayramoglu et al. Immobilisation of β-galactosidase onto double layered hydrophilic polymer coated magnetic nanoparticles: Preparation, characterisation and lactose hydrolysis
Pirozzi et al. In-situ sol-gel modification strategies to develop a monolith continuous microreactor for enzymatic green reactions
Zhang et al. Design of amino-functionalized hollow mesoporous silica cube for enzyme immobilization and its application in synthesis of phosphatidylserine
Trusek Graphene oxide flake activation via divinylsulfone–a procedure for efficient β-galactosidase immobilization
Zdarta et al. Co-immobilization of glucose dehydrogenase and xylose dehydrogenase as a new approach for simultaneous production of gluconic and xylonic acid
CN112980807A (en) Method for constructing immobilized multienzyme system based on interaction between DNA (deoxyribonucleic acid), graphene oxide and metal organic framework material
Meridor et al. Enhanced activity of immobilized pepsin nanoparticles coated on solid substrates compared to free pepsin
SE537767C2 (en) Process for chemical and / or biological transformation
Jonović et al. Immobilized alcalase on micron-and submicron-sized alginate beads as a potential biocatalyst for hydrolysis of food proteins
EP1859035B1 (en) Immobilised enzymes