| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a base material suitable for cell culture in the field of regenerative medicine. <P>SOLUTION: Porous material consists of a bioabsorbable polymer. In the material, porosity is 10-90%, a pore size is 10 to 800 μm, openings are provided at its surface, pores of a 200 μm pore size exist at least on one one side by 5 pores per 1 mm<SP>2</SP>, and different porosities are included consecutively in a gradient structure. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
