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Merck
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Documenti

419419

Sigma-Aldrich

Chitosano

high molecular weight

Sinonimo/i:

Chitina deacetilata, Poli(D-glucosamina)

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About This Item

Numero CAS:
9012-76-4
Numero MDL:
MFCD00161512
Codice UNSPSC:
12352201
NACRES:
NA.23

Livello qualitativo

100

Forma fisica

(Coarse ground flakes and powder)

PM

310000-375000 Da

Viscosità

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

Solubilità

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
FLASNYPZGWUPSU-SICDJOISSA-N

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Categorie correlate

Applicazioni

Forma gel con gli anioni multivalenti. Sviluppa soluzioni trasparenti che seccandosi formano pellicole forti trasparenti.

Caratteristiche e vantaggi

Polielettrolita biocompatibile, antibatterico ed ecologico con svariate applicazioni tra cui: trattamento delle acque, cromatografia, additivi per cosmetici, trattamento tessile per attività antimicrobica, fibre innovative per tessili, carte fotografiche, pellicole biodegradabili, dispositivi biomedici e impianti in microcapsula per il rilascio controllato di farmaci.

Stato fisico

>75% deacetylated

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (COA)

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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
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
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
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
Martin Hsiu-Chu Lin et al.
International journal of molecular sciences, 22(16) (2021-08-28)
Gene transfection is a valuable tool for analyzing gene regulation and function, and providing an avenue for the genetic engineering of cells for therapeutic purposes. Though efficient, the potential concerns over viral vectors for gene transfection has led to research
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