[go: up one dir, main page]

DE69942127D1 - Modifizierte chitosan-polymere und verfahren zur enzymatischen herstellung - Google Patents

Modifizierte chitosan-polymere und verfahren zur enzymatischen herstellung

Info

Publication number
DE69942127D1
DE69942127D1 DE69942127T DE69942127T DE69942127D1 DE 69942127 D1 DE69942127 D1 DE 69942127D1 DE 69942127 T DE69942127 T DE 69942127T DE 69942127 T DE69942127 T DE 69942127T DE 69942127 D1 DE69942127 D1 DE 69942127D1
Authority
DE
Germany
Prior art keywords
modified chitosan
chitosan polymers
oligomers
enzymatic production
polymers
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 - Lifetime
Application number
DE69942127T
Other languages
English (en)
Inventor
Kumar Elliot Guneet
Payne F Gregory
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.)
The University of Maryland Biotechnology Institute
Original Assignee
The University of Maryland Biotechnology Institute
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 The University of Maryland Biotechnology Institute filed Critical The University of Maryland Biotechnology Institute
Application granted granted Critical
Publication of DE69942127D1 publication Critical patent/DE69942127D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C12P19/26—Preparation of nitrogen-containing carbohydrates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Molecular Biology (AREA)
  • Zoology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Biological Depolymerization Polymers (AREA)
DE69942127T 1998-08-21 1999-08-20 Modifizierte chitosan-polymere und verfahren zur enzymatischen herstellung Expired - Lifetime DE69942127D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9770998P 1998-08-21 1998-08-21
PCT/US1999/019106 WO2000011038A1 (en) 1998-08-21 1999-08-20 Modified chitosan polymers and enzymatic methods for the production thereof

Publications (1)

Publication Number Publication Date
DE69942127D1 true DE69942127D1 (de) 2010-04-22

Family

ID=22264763

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69942127T Expired - Lifetime DE69942127D1 (de) 1998-08-21 1999-08-20 Modifizierte chitosan-polymere und verfahren zur enzymatischen herstellung

Country Status (8)

Country Link
EP (1) EP1137673B1 (de)
JP (1) JP4663117B2 (de)
AT (1) ATE460433T1 (de)
AU (1) AU5781499A (de)
CA (1) CA2341470C (de)
DE (1) DE69942127D1 (de)
MX (1) MXPA01001841A (de)
WO (1) WO2000011038A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003275289A1 (en) 2002-09-26 2004-04-19 University Of Maryland Baltimore County Polysaccharide-based polymers and methods of making the same
US7790010B2 (en) 2002-12-20 2010-09-07 University Of Maryland, College Park Spatially selective deposition of polysaccharide layer onto patterned template
US8138265B2 (en) 2003-01-10 2012-03-20 The Cleveland Clinic Foundation Hydroxyphenyl cross-linked macromolecular network and applications thereof
US8137688B2 (en) 2003-01-10 2012-03-20 The Cleveland Clinic Foundation Hydroxyphenyl cross-linked macromolecular network and applications thereof
US7465766B2 (en) 2004-01-08 2008-12-16 The Cleveland Clinic Foundation Hydroxyphenyl cross-linked macromolecular network and applications thereof
US7883615B2 (en) 2003-02-12 2011-02-08 University Of Maryland, College Park Controlled electrochemical deposition of polysaccharide films and hydrogels, and materials formed therefrom
WO2004083256A1 (en) * 2003-03-21 2004-09-30 Unilever N.V. Polymer composition of proteins, polysaccharides and / or glycerides
US7375404B2 (en) 2003-12-05 2008-05-20 University Of Maryland Biotechnology Institute Fabrication and integration of polymeric bioMEMS
WO2005061127A1 (en) 2003-12-11 2005-07-07 University Of Maryland College Park Biolithographical deposition, and materials and devices formed therefrom
WO2005097833A1 (en) * 2004-04-05 2005-10-20 University Of Florida Research Foundation, Inc. Functionalized organic oligomers using homogeneous modification method for molecular binding
AU2005265326B2 (en) * 2004-07-09 2010-07-15 The Cleveland Clinic Foundation Hydroxyphenyl cross-linked macromolecular network and applications thereof
US8410180B2 (en) 2008-04-30 2013-04-02 The Cleveland Clinic Foundation Methods to treat urinary incontinence
AU2012305915B2 (en) * 2011-09-07 2017-09-07 Roland Saur-Brosch Formulation for the controlled release of one or several substances in the digestive tract of a mammal
KR101458059B1 (ko) * 2011-09-27 2014-11-12 포항공과대학교 산학협력단 물성이 강화된 키토산 및/또는 키틴 복합체 및 그 용도
GB2501943B (en) * 2012-05-10 2020-09-23 Zeiss Carl Meditec Ag Ophthalmic viscoelastic device
WO2015070100A1 (en) * 2013-11-08 2015-05-14 The Johns Hopkins University Oxygen-controllable and hypoxia-inducible hydrogels
CN113101264B (zh) * 2021-04-08 2022-05-03 西南交通大学 一种具有ros响应的水凝胶及其制备方法和应用
CN115093017B (zh) * 2022-07-01 2023-07-25 宁夏医科大学 双酶-无机杂化纳米花微球的制备方法及其应用
CN115093618B (zh) * 2022-07-12 2023-01-03 安徽农业大学 一种自组装氧化壳聚糖/绿原酸复合纳米微粒及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1104351B (it) 1978-06-14 1985-10-21 Muzzarelli Riccardo Il complesso glucano chitosano il metodo della sua produzione a partire da muffe funghi e lieviti e i suoi usi
IT1190380B (it) 1985-06-21 1988-02-16 Consiglio Nazionale Ricerche Glucani funzionalizzati e reticolati,procedimento e intermedi di preparazione,loro usi
US5147698A (en) * 1986-09-30 1992-09-15 Minnesota Mining And Manufacturing Company Pressure sensitive adhesive film article having high moisture vapor transmission rate
US5474989A (en) * 1988-11-11 1995-12-12 Kurita Water Industries, Ltd. Drug composition
US5340483A (en) * 1993-06-11 1994-08-23 University Of Maryland At College Park Two step process for conversion of a weakly adsorbable compound to a strongly adsorbable compound and selective removal thereof
JP2893169B2 (ja) 1996-03-07 1999-05-17 工業技術院長 クロロフェノール類含有水の処理方法

Also Published As

Publication number Publication date
ATE460433T1 (de) 2010-03-15
WO2000011038A9 (en) 2000-06-15
AU5781499A (en) 2000-03-14
JP4663117B2 (ja) 2011-03-30
EP1137673A4 (de) 2003-01-22
CA2341470A1 (en) 2000-03-02
CA2341470C (en) 2008-12-23
JP2002523528A (ja) 2002-07-30
MXPA01001841A (es) 2002-04-08
WO2000011038A1 (en) 2000-03-02
EP1137673A1 (de) 2001-10-04
EP1137673B1 (de) 2010-03-10

Similar Documents

Publication Publication Date Title
ATE460433T1 (de) Modifizierte chitosan-polymere und verfahren zur enzymatischen herstellung
ATE380250T1 (de) Bacillus subtilis var. chungkookjang zur herstellung von poly-gamma-glutaminsäure mit hohem molekulargewicht
HUP0202746A2 (en) Organometal catalyst compositions
AU2002352666A1 (en) Process for the production of branched melt polycarbonate by late addition of fries-inducing catalyst
ATE260941T1 (de) Funktionalisierte polyallylamine und verfahren zur herstellung davon
NO20003511D0 (no) Lipase-inhiberende polymerer
WO2004063388A3 (en) Hydroxyphenyl cross-linked macromolecular network and applications thereof
ID24188A (id) Metode produksi polimerizat sintetis dengan kandungan monomer residu yang sangat rendah, produk dan penggunannya
BR0208067A (pt) Processo para a redução da produção de água em poços de petróleo
DE60142680D1 (de) Verfahren zur Vernetzung von Polymerartikeln
EP0866084A3 (de) Verfahren zur Herstellung von vernetztem Polyasparaginsäureharz
DE60228489D1 (de) Verfahren zur herstellung von biologisch abbaubarem polyester
DE60021198D1 (de) Verfahren zur herstellung von polyarylensulfid
BR0315557A (pt) Substrato, uso de um polìmero hiper-ramificado que tem grupos uretano e/ou grupos uréia, e, processo para modificar as propriedades da superfìcie de substratos
ATE129524T1 (de) Herstellung von copolymeren.
DE59810762D1 (de) Verfahren zur herstellung von wasserlöslichen bzw. wasserquellbaren polymerisaten mit sehr niedrigem restmonomergehalt, danach hergestellte produkte und deren verwendung
KR950032376A (ko) 산성 아미노산계 수지
DE60135032D1 (de) Verfahren zur herstellung von biologisch abbaubaren milchsäurepolymeren
ATE220702T1 (de) Verfahren zur modifizierung von polymersubstraten durch oberflächenfixierung eigenschaftsbestimmender makromoleküle
DE60227595D1 (de) Verfahren zur Herstellung von Cytosin-Nukleosidverbindungen
EP0896057A3 (de) D-Aminoacylase
DE59103434D1 (de) Verfahren zur herstellung von umweltfreundliche, biologisch abbaubare formmassen.
ATE213751T1 (de) Verfahren zur herstellung von polyhydroxycarbonsäure
ATE340214T1 (de) Herstellung von polyorganophosphazenen mit bestimmtem molekulargewicht
HUP0400118A2 (hu) Fénystabilizáló gyököket tartalmazó fénystabilizált polimerek, ezekből készült cikkek és eljárás előállításukra

Legal Events

Date Code Title Description
8364 No opposition during term of opposition