Nano-sized particles are provided comprising at least one multi-headed amphiphilic compound, in which at least one headgroup of said multi-headed amphiphilic compound is selectively cleavable or contains a selectively cleavable group, and at least one biologically active agent, which is both encapsulated within the nano-particle and non-covalently associated thereto.
纳米级微粒包含至少一种多头两亲化合物,其中所述多头两亲化合物的至少一个头基团是可选择性裂解的或含有可选择性裂解的基团,以及至少一种
生物活性剂,该
生物活性剂被封装在纳米级微粒内并与之非共价地结合在一起。