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Merck
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Documentos

419419

Sigma-Aldrich

Quitosana

high molecular weight

Sinônimo(s):

Poli(D-glicosamina), Quitina desacetilada

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About This Item

Número CAS:
9012-76-4
Número MDL:
MFCD00161512
Código UNSPSC:
12352201
NACRES:
NA.23

forma

(Coarse ground flakes and powder)

peso molecular

310000-375000 Da

viscosidade

800-2000 cP, 1 wt. % in 1% acetic acid(25 °C, Brookfield)(lit.)

solubilidade

H2O: insoluble
organic solvents: insoluble

InChI

1S/C56H103N9O39/c1-87-56(86)65-28-38(84)46(19(10-74)96-55(28)104-45-18(9-73)95-49(27(64)37(45)83)97-39-12(3-67)88-47(85)20(57)31(39)77)103-54-26(63)36(82)44(17(8-72)94-54)102-53-25(62)35(81)43(16(7-71)93-53)101-52-24(61)34(80)42(15(6-70)92-52)100-51-23(60)33(79)41(14(5-69)91-51)99-50-22(59)32(78)40(13(4-68)90-50)98-48-21(58)30(76)29(75)11(2-66)89-48/h11-55,66-85H,2-10,57-64H2,1H3,(H,65,86)/t11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28-,29-,30-,31-,32-,33-,34-,35-,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,48+,49+,50+,51+,52+,53+,54+,55+/m1/s1

chave InChI

FLASNYPZGWUPSU-SICDJOISSA-N

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Categorias relacionadas

Aplicação

Forma géis com ânions multivalentes. Produz soluções transparentes que secam na forma de filmes fortes e transparentes.

Características e benefícios

Polieletrólito biocompatível, antibacteriano e ecológico com diversas aplicações, incluindo tratamento de água, cromatografia, aditivos para cosméticos, tratamento têxtil para atividade antimicrobiana, fibras novas para tecidos, papéis fotográficos, filmes biodegradáveis,dispositivos biomédicos e implantes de microcápsulas de liberação controlada para administração de fármacos.

forma física

>75% deacetylated

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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A D Anastasiou et al.
Acta biomaterialia, 71, 86-95 (2018-02-21)
A radical new methodology for the exogenous mineralization of hard tissues is demonstrated in the context of laser-biomaterials interaction. The proposed approach is based on the use of femtosecond pulsed lasers (fs) and Fe3+-doped calcium phosphate minerals (specifically in this
Jianjun Miao et al.
Langmuir : the ACS journal of surfaces and colloids, 28(9), 4396-4403 (2012-02-09)
Extracorporeal filter cartridges, filled with an activated carbon bead (ACB) adsorbent, have been used for removal of overdosed cancer drugs from the blood. Coatings on adsorbent matrices, poly(methyl methacrylate) (PMMA)/activated carbon bead and PMMA/chitosan/heparin/ACB composites, were tested to improve their
Antonia G Moutzouri et al.
BioMed research international, 2014, 740726-740726 (2014-07-06)
Cell adhesion on substrates is accompanied by significant changes in shape and cytoskeleton organization, which affect subsequent cellular and tissue responses, determining the long-term success of an implant. Alterations in osteoblast stiffness upon adhesion on orthopaedic implants with different surface
Luís Filipe-Ribeiro et al.
Data in brief, 17, 1201-1217 (2018-06-08)
Data in this article presents the changes on phenolic compounds and headspace aroma abundance of a red wine spiked with 4-ethylphenol and 4-ethylguaiacol and treated with a commercial crustacean chitin (CHTN), two commercial crustacean chitosans (CHTB, CHTD), one fungal chitosan
Jumana Akhtar et al.
Plant and soil, 428(1), 57-65 (2018-01-01)
Understanding the structures and functions of carbon-based molecules in soils is an important goal in the context of soils as an ecosystem function of immense importance. Polysaccharides are implicated in maintaining soil aggregate status but have not been extensively dissected
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