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Schematic illustration of pH-responsive nanogated ensemble based on gold-capped mesoporous silica through acid-labile acetal linker.
Note: Reprinted with permission from Liu R, Zhang Y, Zhao X, Agarwal A, Mueller LJ, Feng P. pH-responsive nanogated ensemble based on gold-capped mesoporous silica through an acid-labile acetal linker. J Am Chem Soc. 2010;132(5):1500–1501. Copyright 2010 American Chemical Society.65
