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448869

Sigma-Aldrich

壳聚糖

low molecular weight

别名:

聚（D-氨基葡萄糖）, 脱乙酰几丁质

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About This Item

CAS号:
9012-76-4
MDL號碼:
MFCD00161512
分類程式碼代碼:
12352201
NACRES:
NA.23

形狀

powder

分子量

50,000-190,000 Da (based on viscosity)

黏度

20-300 cP, 1 wt. % in 1% acetic acid(25 °C, Brookfield)(lit.)

溶解度

dilute aqueous acid: soluble

SMILES 字串

N([C@H]1[C@@H](O[C@@H]([C@H]([C@@H]1O)O[C@@H]4O[C@@H]([C@H]([C@@H]([C@H]4N)O)O[C@@H]5O[C@@H]([C@H]([C@@H]([C@H]5N)O)O[C@@H]6O[C@@H]([C@H]([C@@H]([C@H]6N)O)O[C@@H]7O[C@@H]([C@H]([C@@H]([C@H]7N)O)O[C@@H]8O[C@@H]([C@H]([C@@H]([C@H]8N)O)O[C@@H]9O[C@@H]([C@H](

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 密鑰

FLASNYPZGWUPSU-SICDJOISSA-N

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應用

与多价阴离子形成凝胶。 产生透明溶液，干燥后形成坚固、透明的薄膜。
壳聚糖可用于蛋白质沉淀中的凝聚剂、包封剂和水性增稠剂。

特點和優勢

生物相容、抗菌和环保的聚电解质，其具有多种应用，包括水处理、色谱法、化妆品添加剂、抗微生物活性的纺织品处理、纺织品的新型纤维、照相纸、可生物降解的薄膜、生物医学装置、以及用于药物递送中控制释放的微胶囊植入物。
生物相容性、抗菌和环保的聚电解质。

外觀

75-85% 脱乙酰化

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

nwg

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCG9965
BCCG5629
BCCF8502
0000121422
0000121421

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Ming-Hui Yang et al.
BioMed research international, 2014, 789591-789591 (2014-04-24)
Chitosan nanoparticle, a biocompatible material, was used as a potential drug delivery system widely. Our current investigation studies were the bioeffects of the chitosan nanoparticle uptake by liver cells. In this experiment, the characterizations of chitosan nanoparticles were measured by
Ajay Vijayakumar et al.
AAPS PharmSciTech, 18(3), 875-883 (2016-07-03)
The objective of this study was to formulate and characterize properties of solid lipid nanoparticle (SLN) dispersion containing quercetin. SLN was prepared by ultrasonication method using tripalmitin and lecithin as lipid core and then the surface was coated with chitosan.
Soo Jin Jeon et al.
PloS one, 9(3), e92723-e92723 (2014-03-25)
The emergence of antibiotic resistant microorganisms is a great public health concern and has triggered an urgent need to develop alternative antibiotics. Chitosan microparticles (CM), derived from chitosan, have been shown to reduce E. coli O157:H7 shedding in a cattle
Lana Glerieide Silva Garcia et al.
Carbohydrate polymers, 195, 662-669 (2018-05-29)
Difficulties in the treatment of Candida spp. invasive infections are usually related to the formation of biofilms. The aim of this study was to determine the effects of molecular weight (MW) of chitosan (using high (HMW), medium (MMW) and low
Jimena S Gonzalez et al.
Polymers, 11(4) (2019-04-20)
Self-assembly of natural polymers constitute a powerful route for the development of functional materials. In particular, layer-by-layer (LBL) assembly constitutes a versatile technique for the nanostructuration of biobased polymers into multilayer films. Gelatin has gained much attention for its abundance
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