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Fabrication of Ultrathin Zn(OH)2 Nanosheets as Drug Carriers
1Department of Chemistry and Department of Physiology and Functional Genomics, Center for Research at the Bio/Nano Interface, Shands Cancer Center, UF Genetics Institute, McKnight Brain Institute, University of Florida, Gainesville, FL 32611-7200 (USA).
Abstract:
Ultrathin two-dimensional (2D) porous Zn(OH)2 nanosheets (PNs) have been fabricated by using one-dimensional Cu nanowires as backbones. PNs have thicknesses of about 3.8 nm and pore sizes of 4~10 nm. To form "smart" porous nanosheets, DNA aptamers were covalently conjugated on the surface of PNs. These ultrathin nanosheets show good biocompatibility, efficient cellular uptake, and promising pH-stimulated drug release.
