Cucurbituril-based nanoparticles: a new efficient vehicle for targeted intracellular delivery of hydrophobic drugs

Cucurbituril-based nanoparticles (CB[6]NPs) serve as new efficient vehicles for delivery of hydrophobic drugs, which have unique features including (1) a high drug loading capacity and efficiency, (2) noncovalently tunable surfaces, (3) efficient delivery of hydrophobic drugs into a cancer cell by receptor-mediated endocytosis, and (4) facile release of drugs into cytoplasm, which enhances the pharmaceutical effects of the drugs.