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Merck
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Key Documents

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419419

Sigma-Aldrich

Quitosano

high molecular weight

Sinónimos:

Poli(D-glucosamina), Quitina desacetilada

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About This Item

Número de CAS:
9012-76-4
MDL number:
MFCD00161512
UNSPSC Code:
12352201
NACRES:
NA.23

form

(Coarse ground flakes and powder)

mol wt

310000-375000 Da

viscosity

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

solubility

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

InChI key

FLASNYPZGWUPSU-SICDJOISSA-N

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Categorías relacionadas

Application

Forma geles con aniones multivalentes. Produce disoluciones transparentes que se secan en láminas fuertes y transparentes.

Features and Benefits

Polielectrólito biocompatible, antibacteriano y ecológico con una variedad de aplicaciones entre ellas, el tratamiento del agua, la cromatografía, los aditivos para cosméticos, el tratamiento textil para actividad antimicrobiana, fibras nuevas para textiles, papeles fotográficos, películas biodegradables, productos biomédicos e implantes de microcápsulas para la liberación controlada en la administración de medicamentos.

Physical form

>75% deacetylated

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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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
Javiera F Rubilar et al.
International journal of biological macromolecules, 104(Pt A), 197-203 (2017-06-08)
Controlled release of antimicrobial and antioxidant compounds from packaging films is of utmost importance for extending the shelf-life of perishable foods. This study focused on the mathematical modeling of gallic acid release into an aqueous medium from three chitosan films
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
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
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
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