Long-term cell-cultivation using polyimide porous membrane and cell-cryopreservation method using polyimide porous membrane

The present invention relates to a long-term cell-cultivation method, a cell-cultivation apparatus and a cell-cultivation kit that use a polyimide porous membrane. Furthermore, the present invention relates to a cell-cryopreservation method and a cell-cryopreservation kit that use a polyimide porous membrane.