Journal
ORGANIC LETTERS
Volume 12, Issue 15, Pages 3304-3307Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol101286a
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Funding
- National Center for Nano Technology Research
- NSF [CHE 0809384]
- DOD [HDTRA 1-08-1-0041]
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An approach to the design and fabrication of mechanized mesoporous silica nanoparticles is demonstrated at the proof of principle level. It relies on the reductive cleavage of disulfide bonds within an integrated nanosystem, wherein surface-bound rotaxanes incorporate disulfide bonds in their stalks,- which are encircled by cucurbit[6]uril or alpha-cyclodextrin rings, until reductive chemistry is performed, resulting in the snapping of the stalks of the rotaxanes, leading to cargo release from the inside of the nanoparticles.
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