초록 |
Polymer hydrogels consist of a three-dimensional network structure containing water. Since the polymer hydrogels contain excess water, they have characteristics such as biocompatibility, viscoelasticity, and low friction, which are difficult to realize in solid materials such as ceramics, plastic and metal. For this reason, the hydrogel is similar to a bio-soft tissue and is expected to be applied to biomaterial such as cartilage, scaffold, etc. Recently it is reported that some synthetic polyelectrolyte gels with robust and tough property show adhesion on tissue surface in spite of limiting practical application. For excellent biocompatibility, natural polymer hydrogels are promising candidates but have a disadvantage of low mechanical strength. In this study, we study a new type of natural polyelectrolyte hydrogels excellent toughness and biocompatibility, clarifying the structure - properties relationship. The adhesion behavior on various tissues of these gels are also investigated. |