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Applied Physics Letters / Volume 91 / Issue 8 / APPLIED BIOPHYSICS

Appl. Phys. Lett. 91, 083903 (2007); http://dx.doi.org/10.1063/1.2772763 (3 pages)

Magnetoacoustic tomographic imaging of electrical impedance with magnetic induction

Rongmin Xia, Xu Li, and Bin He

Department of Biomedical Engineering, University of Minnesota, Minnesota 55455

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(Received 2 July 2007; accepted 26 July 2007; published online 22 August 2007)

Magnetoacoustic tomography with magnetic induction (MAT-MI) is a recently introduced method for imaging tissue electrical impedance properties by integrating magnetic induction and ultrasound measurements. In the present study, the authors have developed a focused cylindrical scanning mode MAT-MI system and the corresponding reconstruction algorithms. Using this system, they demonstrated a three-dimensional MAT-MI imaging approach in a physical phantom, with cylindrical scanning combined with ultrasound focusing, and the ability of MAT-MI in imaging electrical conductivity properties of biological tissue.

© 2007 American Institute of Physics

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KEYWORDS and PACS

Keywords

acoustic tomography, bioelectric phenomena, biological tissues, biomagnetism, biomedical ultrasonics, electric impedance imaging, electrical conductivity, electromagnetic induction, image reconstruction, medical image processing, phantoms, ultrasonic focusing

PACS

  • 87.63.D-

    Ultrasonography

  • 87.50.C-

    Static and low-frequency electric and magnetic fields effects

  • 87.57.N-

    Image analysis

  • 43.80.Qf

    Medical diagnosis with acoustics

  • 43.60.Rw

    Remote sensing methods, acoustic tomography

  • 43.35.Wa

    Biological effects of ultrasound, ultrasonic tomography

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2772763

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    X. Li, Y. Xu, and B. He, J. Appl. Phys. 99, 066112 (2006)JAPIAU000099000006066112000001.


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