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Issue 8, 2014
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The influence of coating on the structural, magnetic and colloidal properties of LSMO manganite and the heating mechanism for magnetic fluid hyperthermia application

Swati V. Jadhav,a  Dipali S. Nikam,a  Sawanta S. Mali,b  Chang K. Hongb  and  Shivaji H. Pawar*a 
Author affiliations

* Corresponding authors

a Center for Interdisciplinary Research, D. Y. Patil University, Kolhapur 416006, India
E-mail: pawar_s_h@yahoo.com
Fax: +91-0231-2601595
Tel: +91-0231-2601202

b Polymer Energy Materials Laboratory, Department of Advanced Chemical Engineering, Chonnam National University, Gwangju, South Korea

Abstract

Combustion synthesized superparamagnetic La0.7Sr0.3MnO3 nanoparticles have been studied for magnetic fluid hyperthermia applications. The effect of the coating concentration of acrypol on the colloidal, magnetic and heating properties of L0.7Sr0.3MnO3 have been studied. Uncoated and acrypol coated samples were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, high resolution transmission electron microscopy and vibrating sample magnetometer studies. The power absorbed by acrypol coated nanoparticles suspended in phosphate buffer solution from a 265 kHz radio frequency field was measured as a function of coating concentration and field amplitude H. For H = 40.4 kA m−1 the maximum specific absorption rate was 80.82 W g−1 for 4% coating concentration. All results evidenced that among all the coated samples, 2, 4, 6 and 8% coating concentrations, the sample with 4% coating concentration shows the highest induced heating temperature, the highest specific absorption rate and the highest biocompatibility.

Graphical abstract: The influence of coating on the structural, magnetic and colloidal properties of LSMO manganite and the heating mechanism for magnetic fluid hyperthermia application

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Publication details

The article was received on 06 Mar 2014, accepted on 22 Apr 2014 and first published on 22 Apr 2014


Article type: Paper
DOI: 10.1039/C4NJ00334A
Citation: New J. Chem., 2014,38, 3678-3687
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    The influence of coating on the structural, magnetic and colloidal properties of LSMO manganite and the heating mechanism for magnetic fluid hyperthermia application

    S. V. Jadhav, D. S. Nikam, S. S. Mali, C. K. Hong and S. H. Pawar, New J. Chem., 2014, 38, 3678
    DOI: 10.1039/C4NJ00334A

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