Biomaterials have attracted massive attention for healthcare and biomedical applications such as diagnosis,prevention,therapy and tissue regeneration.In particular,the polymeric biomaterials have become one of the most attractive and influential research topics.They have various applications for biosensor,imaging,targeting,drug delivery,biomedical devices,tissue repair and artificial organs.In recent decades,they have also been used for construction of porous scaffolds and hydrogels to provide biological and physicochemical cues and to control cell functions and induce regeneration of tissues and organs.