Microwave-assisted syntheis of highly crystalline, multifunctional iron oxide nanocomposites for imaging applications

Williams, Marc J. and Sánchez, Enrique and Aluri, Esther Rani and Douglas, Fraser J. and MacLaren, Donald A. and Collins, Oonagh M. and Cussen, Edmund J. and Budge, James D. and Sanders, Lara C. and Michaelis, Martin and Smales, C. Mark and Cinatl Jr., Jindrich and Lorrio, Silvia and Kreuger, Dirk and de Rosales, Rafael T. M. and Corr, Serena A. (2016) Microwave-assisted syntheis of highly crystalline, multifunctional iron oxide nanocomposites for imaging applications. RSC Advances, 6 (87). pp. 83520-83528. ISSN 2046-2069 (https://doi.org/10.1039/C6RA11819D)

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Abstract

We report a single-step approach using a microwave-assisted method for a multifunctional magnetic nanocomposite comprising superparamagnetic iron oxide cores, a polyelectrolyte stabilizer and an organic dye with no requirement for post-processing. We demonstrate the intimate link between synthetic methodology (microwave heating with polyelectrolyte stabilizer) and resulting properties (particle size, shape, magnetism) and how this underpins the functionality of the resulting nanocomposites.

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