Journal article
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A lock-in-based method to examine the thermal signatures of magnetic nanoparticles in the liquid, solid and aggregated states
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Monnier, Christophe A.
Adolphe Merkle Institute, University of Fribourg, Switzerland
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Lattuada, Marco
Adolphe Merkle Institute, University of Fribourg, Switzerland
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Burnand, David
Chemistry Department, University of Fribourg, Switzerland
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Crippa, F.
Adolphe Merkle Institute, University of Fribourg, Switzerland
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Martinez-Garcia, J. C.
Adolphe Merkle Institute, University of Fribourg, Switzerland
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Hirt, A. M.
Institute of Geophysics, ETH Zurich, Switzerland
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Rothen-Rutishauser, Barbara
Adolphe Merkle Institute, University of Fribourg, Switzerland
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Bonmarin, M.
Institute of Computational Physics, Zurich University of Applied Sciences, Winterthur, Switzerland
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Petri-Fink, Alke
Adolphe Merkle Institute, University of Fribourg, Switzerland
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Published in:
- Nanoscale. - 2016, vol. 8, no. 27, p. 13321–13332
English
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.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Chimie
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Language
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Classification
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Chemistry
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/305072
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