Mesoporous silica nanobeans dual-functionalized with AIEgens and leaning pillar[6]arene-based supramolecular switches for imaging and stimuli-responsive drug release

A bean-shaped and dual-functionalized organic-inorganic hybrid supramolecular system, possessing GSH-dependent turn-on fluorescence enhancement property and stimuli-responsive drug delivery function endowed by leaning towerarene-based switches, has been constructed for simultaneous tumor inhibition and imaging.