Title: A lock-in-based method to examine the thermal signatures of magnetic nanoparticles in the liquid, solid and aggregated states
Authors : Monnier, C. A.
Lattuada, M.
Burnand, D.
Crippa, F.
Martinez-Garcia, J. C.
Hirt, A. M.
Rothen-Rutishauser, B.
Bonmarin, Mathias
Petri-Fink, A.
Published in : Nanoscale
Volume(Issue) : 8
Issue : 27
Pages : 13321
Pages to: 13322
Publisher / Ed. Institution : Royal Society of Chemistry
Issue Date: Jul-2016
License (according to publishing contract) : Licence according to publishing contract
Type of review: Peer review (Publication)
Language : English
Subject (DDC) : 540: Chemistry
Abstract: We propose a new methodology based on lock-in thermography to study and quantify the heating power of magnetic nanoparticles. Superparamagnetic iron oxide nanoparticles exposed to a modulated alternating magnetic field were used as model materials to demonstrate the potency of the system. Both quantitative and qualitative information on their respective heating power was extracted at high thermal resolutions under increasingly complex conditions, including nanoparticles in the liquid, solid and aggregated states. Compared to conventional techniques, this approach offers a fast, sensitive and non-intrusive alternative to investigate multiple and dilute specimens simultaneously, which is essential for optimizing and accelerating screening procedures and comparative studies.
Departement: School of Engineering
Organisational Unit: Institute of Computational Physics (ICP)
Publication type: Article in scientific Journal
DOI : 10.1039/c6nr02066f
ISSN: 2040-3372
URI: https://digitalcollection.zhaw.ch/handle/11475/5017
Appears in Collections:Publikationen School of Engineering

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