
pH and redox-operated nanovalve for size-selective cargo delivery on hollow mesoporous silica spheres
Keywords: β-CD, β-cyclodextrins; HMSs, hollow mesoporous silica nanoparticles; Fc, ferrocenyl moiety; NHS, N-hydroxysuccinimide; EDC, 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide-HCl; R6G, Rhodamine 6G; DOX, doxorubicin hydrochloride; 5-FU, 5-fluorouracil; MSNs, m