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Ultrasound generation and high-frequency motion of magnetic nanoparticles in an alternating magnetic field: Toward intracellular ultrasound therapy?
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10.1063/1.4810972
/content/aip/journal/apl/102/23/10.1063/1.4810972
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/23/10.1063/1.4810972

Figures

Image of FIG. 1.
FIG. 1.

(a) Magnetic NO in setup 1. An alternating inhomogeneous MF is applied. (b) A Petri box containing cells as well as a mouse carrying a tumor of height are schematized in setup 2. A static MF and an alternating gradient field are applied.

Image of FIG. 2.
FIG. 2.

Principle of the 2 ultrasound generation in setup 1. (a) Schematic of the magnetic force, magnetic moment, and magnetic gradient undergone by a magnetic NO during the 4 quadrants of the hysteresis loop. (b) Hysteresis loop of the NO; the 4 quadrants are numbered.

Image of FIG. 3.
FIG. 3.

Influence of the coercive field on the force and displacement on the NO submitted to a sinusoidal MF and MF gradient. (a) Hysteresis loops of NO. (b) Force undergone as a function of time. (c) Displacement as a function of time.

Tables

Generic image for table
Table I.

Properties of the samples calculated using Eqs. (3) and (7) (11) . For the calculation, the following values were taken:  = 1 T·m,  = 100 kHz, the density of the samples was put to 5200, 2260, and 7800 for samples 1, 2, and 3, respectively.

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/content/aip/journal/apl/102/23/10.1063/1.4810972
2013-06-13
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrasound generation and high-frequency motion of magnetic nanoparticles in an alternating magnetic field: Toward intracellular ultrasound therapy?
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/23/10.1063/1.4810972
10.1063/1.4810972
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