COLL 492 |
| Jian Liu and Kumaranand Palaniappan. Department of Chemistry, Michigan Technological University, 1400 Townsend Rive, Houghton, MI 49931 |
| Water-soluble, beta-cyclodextrin-modified CdS quantum dots (QDs) have been prepared. Beta-cyclodextrin molecules, which are immobilized on these nanoparticles, still retain their host capability to form complexes with molecular guests inside their cavities. The host-guest complexation at particle surfaces can be used to tune the fluorescence emission of CdS QDs in aqueous media. These receptor-modified QDs represent a new type of fluorescence sensor through providing the host-guest complexation mechanism at their surfaces. |
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Nanoscience and Nanotechnology
8:30 AM-11:45 AM, Thursday, April 1, 2004 Marriott -- Orange County 5, Oral
Division of Colloid and Surface Chemistry |