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Nanobottles as a new class of carriers for controlled release and drug delivery. (A) A glass bottle used with a cork for the storage of champagne in our everyday life. (B) Schematic of a nanobottle that has one opening on its hollow body. (C) Schematic showing the encapsulation of a payload in the nanobottle and its release can be controlled by varying the size of the opening, choosing a proper inner/outer matrix, and adding a cork or cap as the stopper.
