A modified polysaccharide material which comprises: (1) polysaccharide covalently bonded to a synthetic polymer; (2) the synthetic polymer being made from (a) a polymerizable compound which is capable of being covalently coupled directly or indirectly to said polysaccharide, and (b) one or more polymerizable compounds containing (i) an ionizable chemical group, (ii) a chemical group capable of transformation to an ionizable chemical group, (iii) a chemical group capable of causing the covalent coupling of the compound (b) to an affinity ligand or a biologically active molecule or (iv) a hydrophobic compound.
一种改性
多糖材料,它包括(1) 与合成聚合物共价结合的
多糖;(2) 合成聚合物由以下物质制成:(a) 可直接或间接与所述
多糖共价偶联的可聚合化合物;(b) 含有(i) 可离子化
化学基团的一种或多种可聚合化合物;(ii) 可转化为可离子化
化学基团的
化学基团;(iii) 可使化合物(b)与亲和
配体或
生物活性分子共价偶联的
化学基团;或(iv) 疏
水性化合物。