Multifunctional magnetite nanoparticles coated with fluorescent thermo-responsive polymeric shells

Adriana P. Herrera; Maricarmen Rodríguez; Madeline Torres-Lugo; Carlos Rinaldi

doi:10.1039/B718210D

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Journal of Materials Chemistry

Issue 8, 2008

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Multifunctional magnetite nanoparticles coated with fluorescent thermo-responsive polymeric shells

Adriana P. Herrera , Maricarmen Rodríguez , Madeline Torres-Lugo and Carlos Rinaldi

J. Mater. Chem., 2008, 18, 855-858

DOI: 10.1039/B718210D
Received 26 Nov 2007, Accepted 15 Jan 2008
First published on the web 28 Jan 2008

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We have synthesized multifunctional magnetite nanoparticles coated with N-isopropylacrylamide (NIPAM) and a fluorescent modified acrylamide (FMA) monomer. The temperature of the medium surrounding a collection of nanoparticles may be determined by monitoring fluorescence changes in the FMA monomer resulting from the decrease in polarity of the NIPAM copolymer chain with increasing temperature. The possibility to induce localized heating while allowing non-invasive monitoring of temperature, makes these nanoparticles attractive for biomedical applications.

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Journal of Materials Chemistry

Multifunctional magnetite nanoparticles coated with fluorescent thermo-responsive polymeric shells

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