PROCESS FOR PRODUCING COLLAGEN SPONGE, PROCESS FOR PRODUCING ARTIFICIAL SKIN, ARTIFICIAL SKIN AND CELL TISSUE CULTURE SUBSTRATE

摘要

It is an object of the present invention to provide a method for producing a collagen sponge and a method for producing an artificial skin which can give a high yield through simplified steps, no inferior goods being produced in the finally-obtained collagen sponges and artificial skins; and an artificial skin and a substrate for tissue engineering which respectively comprise a collagen sponge produced by the method for producing a collagen sponge.;The present invention is a method for producing a collagen sponge, wherein a diluted collagen solution having a pH adjusted by use of acetic acid is used.