| 摘要 |
PURPOSE:To obtain a cell-culture base having excellent adhesivity, distensibility and proliferativity of cell and enabling cell culture over a long period in high density, by treating a surface of a polymeric base by sputtering. CONSTITUTION:A surface of a cell-culture base composed of a polymeric material such as olefinic polymer, polyester resin, etc., and preferably formed in the form of porous material, tube, hollow fiber, etc., is sputtered by conventional method in a gaseous atmosphere preferably containing an oxygen-containing compound such as oxygen gas, water, etc., and/or a nitrogen-containing compound such as nitrogen gas, ammonia, etc.
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