Mechanical and hyperthermic properties of magnetic nanocomposites for biomedical applications

Kwabena Kan-Dapaah; Nima Rahbar; Abdullahi Tahlil; David Crosson; Nan Yao; Wole Soboyejo

doi:10.1016/j.jmbbm.2015.04.023

Mechanical and hyperthermic properties of magnetic nanocomposites for biomedical applications

Kwabena Kan-Dapaah, Nima Rahbar, Abdullahi Tahlil, David Crosson, Nan Yao, Wole Soboyejo

Princeton Institute for the Science and Technology of Materials

Research output: Contribution to journal › Article

6 Scopus citations

Abstract

An understanding of the properties of multifunctional materials is important for the design of devices for biomedical applications. In this paper, a combination of experiments and models was used to study the mechanical and hyperthermic properties of magnetic nanoparticles (MNP)-filled PDMS composites for biomedical applications. These are studied as a function of the weight of MNP, γ-Fe₂O₃. The results showed the effects on mechanical behavior, and specific losses in a magnetic field. The measured Young's moduli are in good agreement with the moduli predicted from the Bergström-Boybce model. Specific losses calculated from magnetic measurements are used to predict the thermal dose under in-vivo conditions. The implications of the results were discussed for potential applications in biomedical devices.

Original language	English (US)
Pages (from-to)	118-128
Number of pages	11
Journal	Journal of the Mechanical Behavior of Biomedical Materials
Volume	49
DOIs	https://doi.org/10.1016/j.jmbbm.2015.04.023
State	Published - Sep 1 2015

All Science Journal Classification (ASJC) codes

Biomaterials
Biomedical Engineering
Mechanics of Materials

Keywords

Biomedical devices
Magnetic nanocomposites
Magnetic nanoparticles
Polydimethylsiloxane

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Kan-Dapaah, K., Rahbar, N., Tahlil, A., Crosson, D., Yao, N., & Soboyejo, W. (2015). Mechanical and hyperthermic properties of magnetic nanocomposites for biomedical applications. Journal of the Mechanical Behavior of Biomedical Materials, 49, 118-128. https://doi.org/10.1016/j.jmbbm.2015.04.023

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abstract = "An understanding of the properties of multifunctional materials is important for the design of devices for biomedical applications. In this paper, a combination of experiments and models was used to study the mechanical and hyperthermic properties of magnetic nanoparticles (MNP)-filled PDMS composites for biomedical applications. These are studied as a function of the weight of MNP, γ-Fe2O3. The results showed the effects on mechanical behavior, and specific losses in a magnetic field. The measured Young's moduli are in good agreement with the moduli predicted from the Bergstr{\"o}m-Boybce model. Specific losses calculated from magnetic measurements are used to predict the thermal dose under in-vivo conditions. The implications of the results were discussed for potential applications in biomedical devices.",

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AU - Soboyejo, Wole

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