PROBLEM TO BE SOLVED: To provide a high-performance protein stabilizing agent produced by chemical synthesis and useful for maintaining the activity of e.g. a labeled antibody to be used as a clinical diagnostic agent.SOLUTION: The protein stabilizing agent comprises a copolymer comprising a repeating unit (A) represented by general formula (1) and a repeating unit (B) represented by general formula (2).COPYRIGHT: (C)2009,JPO&INPIT【課題】臨床診断薬として使用される標識抗体などの活性を維持するために有用な、化学合成による高性能のタンパク安定化剤の提供。【解決手段】下記一般式(1)で表される繰り返し単位(A)と、下記一般式(2)で表される繰り返し単位(B)とを有する共重合体。【選択図】なし
