## Abstract The aim of this work was to perform a systematic study about the effects induced by chitosan solution concentration and by chitin or glycerol incorporation on dense chitosan membranes with potential use as burn dressings. The membrane properties analyzed were total raw material cost, th
Effects of Chitin/Chitosan and Their Oligomers/Monomers on Migrations of Macrophages
โ Scribed by Yoshiharu Okamoto; Aika Inoue; Katsuyuki Miyatake; Kikumi Ogihara; Yoshihiro Shigemasa; Saburo Minami
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 62 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1616-5187
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โฆ Synopsis
Abstract
The effects of chitin/chitosan and their oligomers/monomers on the migrations of mouse peritoneal macrophage (PEM) and the rat macrophage cell line (rMp) were evaluated in vitro. In direct migratory assay using the blind well chamber method, the migratory activity of PEM was enhanced significantly by chitin and chitosan oligomers (NACOS and COS, respectively), but reduced by chitin, chitosan, and the chitosan monomer (GlcN). The migratory activity of rMp was increased significantly by chitin, chitosan, and the polymers, NACOS and GlcN.
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The addition of chitin/chitosan signiยฎcantly increased the breaking force and deformation of gels prepared from barred garยฎsh surimi (P `0.05). Addition of 7B chitosan with 65.6% degree of deacetylation (% DD) at the level of 15 mg g ร1 resulted in the maximum increases in both breaking force and de
## Abstract For Abstract see ChemInform Abstract in Full Text.
Silk fibroin/chitosan blend films were prepared by the solvent casting method. Miscibility between silk fibroin and chitosan was examined by dynamic mechanical thermal analysis. Structural changes of silk fibroin by the addition of chitosan were investigated by IR spectroscopy. The conformational tr