Functional gel particle formed from a crosslinked polymeric network including a fraction of stable crosslinks and a second fraction of cleavable crosslinks are disclosed. Functional compounds may be chemically or physically encapsulated within and/or released from the gel particle by selective cleavage of the cleavable crosslinks. The functional compounds may be delivered and released to a pre-selected target site. Peripheral or other accessible functionality on the surface of the gel particle allows attachment of a surface reactive agent, thereby modifying one or more surface properties of the gel particle. Processes of preparing the gel particles and processes of delivering the functional compounds to a target site are also disclosed.
本发明揭示了由交联聚合物网络形成的功能性凝胶颗粒,其中包括稳定交联的一部分和可断裂交联的第二部分。功能性化合物可以通过选择性断裂可断裂交联在凝胶颗粒内部或外部进行
化学或物理封装和/或释放。功能性化合物可以被输送和释放到预选的目标部位。凝胶颗粒表面的周边或其他可接近的功能性质允许附着表面反应剂,从而修改凝胶颗粒的一个或多个表面性质。本发明还揭示了制备凝胶颗粒的方法和将功能性化合物输送到目标部位的方法。