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The influence of cross-linking reagent, glutaraldehyde, on the biostability of collagen films was examined. With greater cross-linking, water absorption ability, swelling degree and degradation rate were all decreased. Based on scanning electron...
Dendritic poly-[N-(2-hydroxyethyl)-L-glutamine] (PHEG) with different molecular weights were synthesized by aminolysis of dendritic poly-(γ-benzyl-L-glutamate) (PBG), which was obtained by polymerization of the corresponding N-carboxyanhydride (NCA)...
A copolymer of L-lactide and ∊-caprolactone (Mn:73,523, Mw: 127,990 and PI: 1.74) was synthesized by ring-opening polymerization and confirmed by FTIR, 1 H-NMR and DSC. The copolymer ratio of L-lactide to ∊-caprolactone, determined by 1H-NMR, was 89/11. Specific...
In this study, the blood compatibility of the tip-to-tip coated and flow-optimized extracorporeal circuits were investigated using poly(2-methoxyethylacrylate) PMEA-coated oxygenators and tubing sets. Total protein, human serum albumin, fibrinogen,...
A soluble intralumenal stent for vascular anastomosis was prepared from glucose, dextran-40 and disodium (1–4)-2-deoxy-2-sulfoamino-ß-D-glucopyranuronan (S-chitosan). The in vitro and in vivo solubility of the stent was tested....
Chitosan exhibits poor solubility above pH 6 which prevents absorption at treatment sites in the colon. pH titrations and infrared methods were used to determine the degree of deacetylation of the starting chitosan. In the present work, N,N-diethyl...
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