Multifunctional magnetic-optical nanoparticles
AssigneeKorea University Research and Business Foundation
InventorsYoung Keun Kim, Hong En Fu, Thomas Myeongseok Koo
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Abstract
The method of preparing multifunctional magnetic-optical nanoparticles, includes: preparing magnetic nanoparticle clusters by mixing an oily phase containing magnetic nanoparticles and an aqueous phase containing a cationic surfactant; coating the magnetic nanoparticle clusters with a water-soluble polymer; and preparing multifunctional magnetic-optical nanoparticles by mixing a cluster solution containing magnetic nanoparticle clusters coated with the water-soluble polymer and a quantum dot solution containing quantum dot nanoparticles, wherein the solvent of the cluster solution has a higher polarity index than the solvent of the quantum dot solution.
Claims19
A method of preparing multifunctional magnetic-optical nanoparticles, including:
- preparing magnetic nanoparticle clusters by mixing an oily phase containing magnetic nanoparticles and an aqueous phase containing a cationic surfactant;
- coating the magnetic nanoparticle clusters with a water-soluble polymer;
- and
- preparing multifunctional magnetic-optical nanoparticles by mixing a cluster solution containing magnetic nanoparticle clusters coated with the water-soluble polymer and a quantum dot solution containing quantum dot nanoparticles,
- wherein the solvent of the cluster solution has a higher polarity index than the solvent of the quantum dot solution, and
- wherein the cationic surfactant includes one or more selected from the group consisting of dodecyltrimethylammonium bromide (DTAB), cetyltrimethylammonium bromide (CTAB) and tetradecyltrimethylammonium bromide (TTAB).
Dependencies are inferred from the claim text.