The multistage polymeric nanogel delivery systems were constructed via host–guest interactions, which showed tumor acidity-triggered disassembly into smaller nanoparticles for deep tissue penetration, high-efficiency cellular uptake, and intracellular endo-lysosomal pH-responsive drug release.
多阶段聚合物纳米凝胶传递系统是通过宿主-客体相互作用构建的,表现出肿瘤酸度触发的分解成更小的纳米颗粒,以实现深层组织渗透、高效细胞摄取和胞内内膜溶酶体pH响应性药物释放。