Abstract
Many types of fluorescent nanoparticles have been synthesized as alternatives to organic dyes in biochemistry. Magnetic beads also have a long history of biological applications. In this work we apply flame spray pyrolysis in order to engineer a novel type of particle that has both fluorescent and magnetic properties. The particles have magnetic cores of iron oxide and a fluorescent shell of europium - doped gadolinium oxide (Eu:Gd 2O 3). Measurements on a Vibrating Sample Magnetometer showed an overall paramagnetic response behavior of the composite particles. Fluorescence spectroscopy showed fluorescent spectra typical for the Eu ion in a Gd 2O 3 host with a narrow emission peak centered near 615 nm. Our synthesis method provides a low-cost, high-rate synthesis that allows a wide range of biological applications of magnetic/fluorescent core/shell particles. We show an immunoassay using the fluorescent properties of the particles.
| Original language | English (US) |
|---|---|
| Title of host publication | AIChE Annual Meeting, Conference Proceedings |
| Pages | 11352-11364 |
| Number of pages | 13 |
| State | Published - 2005 |
| Event | 05AIChE: 2005 AIChE Annual Meeting and Fall Showcase - Cincinnati, OH, United States Duration: Oct 30 2005 → Nov 4 2005 |
Other
| Other | 05AIChE: 2005 AIChE Annual Meeting and Fall Showcase |
|---|---|
| Country/Territory | United States |
| City | Cincinnati, OH |
| Period | 10/30/05 → 11/4/05 |
ASJC Scopus subject areas
- Engineering(all)