Development of Plasma Processing Technology of Bio-Polymer Materials at Low-temperature

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In the present research, we aim at developing and creating the new scientific research fields and innovative technology combined the new bio-medical research fields with the plasma science. We have carried out the researches of low-temperature surface modification of biopolymer through physical and chemical interaction between plasma and polymer surface using thermal non-equilibrium plasmas, such as low-pressure microwave plasma or atmospheric dielectric barrier discharge. During 3 years, we have studied the following subjects ; that is, (1) Functional group introduction onto the polymer surface by plasma modification, (2) Amino group addition onto the biocompatible materials by plasma modification, (3) Interaction between plasma and microorganisms and clarification of inactivation mechanism of microorganisms, and (4) Control of biological function of biomaterials by plasma processing.