Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/102932
Title: Magnetic nanoparticle-loaded polymer nanospheres as magnetic hyperthermia agents
Authors: Liu, Xiao Li
Choo, Eugene Shi Guang
Ahmed, Anansa S.
Zhao, Ling Yun
Yang, Yong
Ramanujan, Raju V.
Xue, Jun Min
Fan, Dai Di
Fan, Hai Ming
Ding, Jun
Keywords: DRNTU::Engineering::Materials::Organic/Polymer electronics
Issue Date: 2014
Source: Liu, X. L., Choo, E. S. G., Ahmed, A. S., Zhao, L. Y., Yang, Y., Ramanujan, R. V., et al. (2013). Magnetic nanoparticle-loaded polymer nanospheres as magnetic hyperthermia agents. Journal of materials chemistry B, 2(1), 120-128.
Series/Report no.: Journal of materials chemistry B
Abstract: Uniform magnetic nanoparticle-loaded polymer nanospheres with different loading contents of manganese ferrite nanoparticles were successfully synthesized using a flexible emulsion process. The MnFe2O4-loaded polymer nanospheres displayed an excellent dispersibility in both water and phosphate buffer saline. The effect of loading ratio and size of MnFe2O4 nanoparticles within the nanospheres on the specific absorption rate (SAR) under an alternating magnetic field was investigated. Our results indicate that a large size (here 18 nm) and a low loading ratio are preferable for a high SAR. For a smaller particle size (6 nm), the low loading ratio did not result in an enhancement of the SAR value, while a very low SAR value is expected for 6 nm. In addition, the SAR of low-content MnFe2O4 (18 nm)-loaded polymer nanospheres in the agarose gel which is simulated for in vivo environment is the highest among the samples and does not change substantially in physiological environments. This differs largely from the behaviour of singly dispersed nanoparticles. Our results have paved the way for the design of MnFe2O4-loaded polymer nanospheres as magnetic hyperthermia agents for in vivo bio-applications.
URI: https://hdl.handle.net/10356/102932
http://hdl.handle.net/10220/24427
ISSN: 2050-750X
DOI: 10.1039/c3tb21146k
Rights: © 2014 The Royal Society of Chemistry.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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