Objective To explore possibility of degradation of polyacrylamid hydrogel and release of acrylamid monomer after it was injected into body for a period of time.

• 目的探讨聚丙烯酰胺水凝胶注入动物及人体后,在体内环境作用下,经过一段时间,是否有丙烯酰胺单体释放出来。