Abstract
Cargo‐templated crosslinked polymer nanocapsules (CT‐CPNCs) are mainly synthesized by in situ formation of crosslinked polymer shells on the surface of particulate cargoes, such as therapeutic proteins, siRNA/miRNA, liposomes, chitosans, metal‐organic frameworks (MOFs), and inorganic nanoparticles. CT‐CPNCs exhibit many advantages in biomedical applications, including 1) easy preparation and purification procedures, 2) high structural stability to inhibit undesired leakage of cargoes, and 3) high specific surface area for surface modification (e.g., loading of therapeutic agents and conjugation of targeting ligands). Importantly, CT‐CPNCs are designed with stimuli–responsive properties to release their cargoes in response to internal or external stimuli, including acidic pH values, redox potentials, enzymes (e.g., cathepsin B, hyaluronidase, and matrix metalloproteinases), light exposure, and heat. Herein, the design strategies and recent advances in CT‐CPNCs are focused upon and their potential applications are discussed. Furthermore, the advantages, limitations, future opportunities, and challenges of CT‐CPNCs are also discussed.
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