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The biocompatibility and susceptibility to enzymatic degradation of new heparin-like polysaccharides obtained by hyaluronic acid sulphation (HyalS x ) were evaluated. In particular, HyalS x cytotoxicity and cytocompatibility were assessed by the direct contact method using fibroblasts L929 and human endothelial cells. The results showed that hyaluronic acid derivatives are devoid...
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