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Synthesis of Responsive Polymer Brushes on Magnetic Nanoparticles

Published online by Cambridge University Press:  13 November 2013

Kamlesh J. Suthar ,
Joseph E. Mowat ,
Shankar Balasubramanian ,
Muralidhar K. Ghantasala  and
Derrick C. Mancini
Kamlesh J. Suthar
Affiliation:
Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL – 60439
Joseph E. Mowat
Affiliation:
Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL – 60439 Department of Mechanical and Aeronautical Engineering, Western Michigan University, 1903, West Michigan Avenue, Kalamazoo, MI - 49008
Shankar Balasubramanian
Affiliation:
Center for Nanoscale Materials, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL – 60439
Muralidhar K. Ghantasala
Affiliation:
Department of Mechanical and Aeronautical Engineering, Western Michigan University, 1903, West Michigan Avenue, Kalamazoo, MI - 49008
Derrick C. Mancini
Affiliation:
Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL – 60439
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Abstract

We report a simple synthesis technique to attached poly(N-isopropylacrylamide) on magnetic nanoparticles. Fe3O4 magnetic nanoparticles were prepared using co-precipitation method. Nearly monodisperse nanoparticles were separated by terminating surface of Fe3O4 with dopamine followed by careful centrifugation and decantation. NHS/EDC coupling chemistry was employed to attached the carboxylic acid terminated poly(N-isopropylacrylamide) to amine end of dopamine on surface of the magnetic particles. Analysis of the polymer brush layers was conducted using UV-Vis spectroscopy, ATR−FTIR, and Transmission electron microscopy techniques. The magnetic property was investigated using direct current superconducting quantum interference device (DC-SQUID) method.

Keywords

nanostructurepolymersurface reaction
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1453: Symposium GG – Functional Hybrid Nanoparticles and Capsules with Engineered Structures and Properties , 2012 , mrss12-1453-gg12-03
Copyright
Copyright © Materials Research Society 2013 

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References

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