In response to the progress of bioscience in recent years, growing attention has been paid to the materials, named biomaterials, that interact with a living body or its composition elements like proteins or the cells, and so on. Many of such biomaterials were already put to practical use with the high-tech devices as central materials, such as artificial organs, drug delivery system and biosensors. In addition, the research and development of new biomaterials are actively carried out all around the world, e.g the material whose structures and functions are changed responding to external stimuli (Intelligent materials) or those who are guiding the proliferation and differentiation of the cells.
------by Kazunori Kataoka From 'Biomaterial Engineering' (Publisher, Shokabo)
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