Described herein is a linking agent that includes a polymeric or non-polymeric core molecule and one or more photoreactive groups covalently attached to the core molecule by one or more linking elements that include a urea linkage, a carbamate linkage, or a combination thereof.
本文描述的连接剂包括聚合物或非聚合物核心分子,以及通过一个或多个连接元件共价连接到核心分子上的一个或多个光活性基团,这些连接元件包括
脲连接、
氨基甲酸酯连接或它们的组合。