| abstract |
(57) [Summary]nHaving a bond that is degradable by hydrolysis, a first end comprising an acrylate group, and a second end comprising a target or a reactive moiety capable of binding to the target, such as a protein or drug. Heterobifunctional poly (ethylene glycol) is provided. Hydrogels can be produced. This hydrogel is used as a carrier for proteins or drugs, which can be easily released in a controlled manner. |