Journal Article 7631-86-9 Research Support, U.S. Gov't, Non-P.H.S. Silicon Dioxide nanoparticles 80168379AG Antineoplastic Agents Biocompatible Materials Delayed-Action Preparations Doxorubicin Drug Carriers EC 2.7.10.1 ErbB Receptors Letter Lipid Bilayers Lipids Macromolecular Substances Metals Micelles Organometallic Compounds Phospholipids Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't artificial exoskeleton biomimetic encapsulation mammalian cell metal-organic polyhedra micelles multifunctions superassembly