Insin, NumponTracy, Joseph B.Lee, HakhoZimmer, John P.Westervelt, RobertBawendi, Moungi G.2011-02-212008Insin, Numpon, Joseph B. Tracy, Hakho Lee, John P. Zimmer, Robert M. Westervelt, and Moungi G. Bawendi. 2008. Incorporation of iron oxide nanoparticles and quantum dots into silica microspheres. ACS Nano 2(2): 197-202.1936-0851http://nrs.harvard.edu/urn-3:HUL.InstRepos:4728507We describe the synthesis of magnetic and fluorescent silica microspheres fabricated by incorporating maghemite (γ-Fe2O3) nanoparticles (MPs) and CdSe/CdZnS core/shell quantum dots (QDs) into a silica shell around preformed silica microspheres. The resultant 500 nm microspheres have a narrow size distribution and show uniform incorporation of QDs and MPs into the shell. We have demonstrated manipulation of these microspheres using an external magnetic field with real-time fluorescence microscopy imaging.en-USJournal Article2011-02-2110.1021/nn700344x