Journal
JOURNAL OF MATERIALS CHEMISTRY B
Volume 1, Issue 11, Pages 1644-1648Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3tb00518f
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Funding
- NSFC [21177023]
- Chinese Ministry of Education [211084]
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A pH-responsive controlled release system is proposed using acid-decomposable layered double hydroxides (LDHs) as inorganic nanovalves by virtue of the electrostatic adsorption of LDH nanosheets on the surface of mesoporous silica nanoparticles (MSNs). Guest molecules (Ru(bpy)(3)Cl-2 in this case) are loaded and encapsulated in a neutral environment. The dissolution of the LDH coatings in an acidic environment triggers the release of the guest molecules from the MSNs.
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