Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/79411
Title: Modulatable magnetically mediated thermoacoustic imaging with magnetic nanoparticles
Authors: Feng, Xiaohua
Gao, Fei
Zheng, Yuanjin
Keywords: DRNTU::Engineering::Materials::Magnetic materials
DRNTU::Engineering::Materials::Nanostructured materials
Issue Date: 2015
Source: Feng, X., Gao, F., & Zheng, Y. (2015). Modulatable magnetically mediated thermoacoustic imaging with magnetic nanoparticles. Applied physics letters, 106(15), 153702-.
Series/Report no.: Applied physics letters
Abstract: Modulatable magnetically mediated thermoacoustic imaging with magnetic nanoparticles is reported here. Under a pulsed radio frequency magnetic field, magnetic nanoparticles absorb energy strongly from the field and then emanate ultrasound signal thermoelastically. The energy absorption and, consequently, generated thermoacoustic signal strength depend sensitively on the magnetization state of magnetic nanoparticles, which can therefore be modulated effectively by a “bias” magnetic field. The magnetic modulation is demonstrated with a static magnet and modulated phantom imaging results are presented. This method offers an alternative modality for mapping magnetic nanoparticles and its unique modulation capability is demonstrated to be useful for contrast enhancement.
URI: https://hdl.handle.net/10356/79411
http://hdl.handle.net/10220/25572
ISSN: 0003-6951
DOI: 10.1063/1.4918582
Rights: © 2015 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.4918582].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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