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  1. Medical and Biological Engineering and Computing
  2. Medical and Biological Engineering and Computing : Volume 47
  3. Medical and Biological Engineering and Computing : Volume 47, Issue 6, June 2009
  4. Ultrasonically-induced Lorentz force tomography
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Medical and Biological Engineering and Computing : Volume 55
Medical and Biological Engineering and Computing : Volume 54
Medical and Biological Engineering and Computing : Volume 53
Medical and Biological Engineering and Computing : Volume 52
Medical and Biological Engineering and Computing : Volume 51
Medical and Biological Engineering and Computing : Volume 50
Medical and Biological Engineering and Computing : Volume 49
Medical and Biological Engineering and Computing : Volume 48
Medical and Biological Engineering and Computing : Volume 47
Medical and Biological Engineering and Computing : Volume 47, Issue 12, December 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 11, November 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 10, October 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 9, September 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 8, August 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 7, July 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 6, June 2009
Ultrasonically-induced Lorentz force tomography
3D-patient-specific geometry of the muscles involved in knee motion from selected MRI images
The effect of elbow joint centre displacement on force generation and neural excitation
A validated finite element analysis of nerve root stress in degenerative lumbar scoliosis
Three-dimensional fibril-reinforced finite element model of articular cartilage
Quantification of friction force reduction induced by obstetric gels
A method for paraplegic upper-body posture estimation during standing: a pilot study for rehabilitation purposes
Optimization of ultrasound array designs for high intensity focused treatment of prostate cancer and benign prostatic hyperplasia
Model-based assessment of dynamic arterial blood volume flow from ultrasound measurements ( Medical and Biological Engineering and Computing , Volume 47 , Issue 6 )
Ultra wideband for wireless real-time monitoring of neural signals
Extracting sources from noisy abdominal phonograms: a single-channel blind source separation method
Mathematical modeling of electrical activity of uterine muscle cells
Phantom haptic device upgrade for use in fMRI
Model-based assessment of dynamic arterial blood volume flow from ultrasound measurements ( Medical and Biological Engineering and Computing , Volume 47 , Issue 6 )
Medical and Biological Engineering and Computing : Volume 47, Issue 5, May 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 4, April 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 3, March 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 2, February 2009
Medical and Biological Engineering and Computing : Volume 47, Issue 1, January 2009
Medical and Biological Engineering and Computing : Volume 46
Medical and Biological Engineering and Computing : Volume 45
Medical and Biological Engineering and Computing : Volume 44
Medical and Biological Engineering and Computing : Volume 43
Medical and Biological Engineering and Computing : Volume 42
Medical and Biological Engineering and Computing : Volume 41
Medical and Biological Engineering and Computing : Volume 40
Medical and Biological Engineering and Computing : Volume 39
Medical and Biological Engineering and Computing : Volume 38
Medical and Biological Engineering and Computing : Volume 37
Medical and Biological Engineering and Computing : Volume 36
Medical and Biological Engineering and Computing : Volume 35

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Ultrasonically-induced Lorentz force tomography

Content Provider Springer Nature Link
Author Roth, Bradley J. Schalte, Kevin
Copyright Year 2009
Abstract Electrical conductivity can be measured using the ultrasonically-induced Lorentz force. An ultrasonic wave is passed through tissue in the presence of a magnetic field. Moving charges in a magnetic field are subject to the Lorentz force, which acts as the source of current and potential. This paper shows that ultrasonically-induced Lorentz force imaging can be formulated in a way that makes it similar to tomography: an image can be reconstructed using waves propagating in various directions. More specifically, measuring the dipole strength for a particular direction and wavelength is equivalent to measuring the Fourier transform of the conductivity distribution at one point in frequency space. Measurements at a variety of wavelengths and directions are equivalent to mapping the Fourier transform of the conductivity distribution. The conductivity can then be found by an inverse Fourier transform.
Starting Page 573
Ending Page 577
Page Count 5
File Format PDF
ISSN 01400118
Journal Medical and Biological Engineering and Computing
Volume Number 47
Issue Number 6
e-ISSN 17410444
Language English
Publisher Springer-Verlag
Publisher Date 2009-03-27
Publisher Place Berlin, Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Ultrasound Conductivity Lorentz force Tomography Fourier transform Computer Applications Imaging Radiology Human Physiology Biomedical Engineering
Content Type Text
Resource Type Article
Subject Biomedical Engineering Computer Science Applications
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