Electrospun magnetic nanofibre mats - A new bondable biomaterial using remotely activated magnetic heating-易丝帮

Electrospun magnetic nanofibre mats - A new bondable biomaterial using remotely activated magnetic heating

2019/11/27 21:19:33 Zhong, Y., V. Leung, L. Y. Wan, S. Dutz, F. K. Ko and U. O. Hafeli

A solvothermal process was adopted to produce hydrophilic magnetite (Fe3O4) nanoparticles which were subsequently emulsified with a chloroform/methanol (70/30 v/v) solution of poly(caprolactone) (PCL) and then electrospun into a 0.2 mm thick PCL maL. The magnetic heating of the mats at a field amplitude of 25 kA/m and frequency of 400 kHz exhibited promising efficiency for magnetic hyperthermia, with a specific absorption rate of about 40 W/g for the magnetic mat. The produced heat was used to melt the magnetic mat onto the surrounding non-magnetic polymer mat from within, without destroying the nanostructure of the non-magnetic polymer more than 0.5 mm away. Magnetic nanolibre mats might thus be useful for internal heat sealing applications, and potentially also for thermotherapy. (C) 2014 Elsevier B.V. All rights reserved.

Journal: Journal Of Magnetism And Magnetic Materials
Volume: 380
Issue:
Pages: 330-334
ISSN: 0304-8853
DOI: 10.1016/j.jmmm14.09.069
Year: 2015
Number:
Type:

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