| abstract |
In the present invention, a copolymer containing a repeating unit containing an organic group represented by the following formula (a) and a repeating unit containing an organic group represented by the following formula (b) is coated on the surface. A cell culture vessel, a method for producing the same, and a method for producing a cell aggregate using the same (wherein U a1 , U a2 , U b1 , U b2 and U b3 , and An − are As described in the specification and claims). |