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Science 3 April 1998:
Vol. 280. no. 5360, pp. 82 - 85
DOI: 10.1126/science.280.5360.82
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Reports

Ultrasound-Stimulated Vibro-Acoustic Spectrography

Mostafa Fatemi, James F. Greenleaf

An ultrasound method based on radiation force is presented for imaging the acoustic response of a material to mechanical excitation. Acoustic energy was emitted from solids and tissues in response to an oscillatory radiation force produced by interfering focused beams of ultrasound. Frequency spectra of ultrasound-stimulated acoustic emission exhibited object resonances. Raster-scanning the radiation force over the object and recording the amplitude and phase of the emitted sound resulted in data from which images related to the elastic compositions of the acoustically emitting objects could be computed. Acoustic emission signals distinguished tuning-fork resonances, submillimeter glass spheres, and calcification in excised arteries and detected object motions on the order of nanometers.

Ultrasound Research, Department of Physiology and Biophysics, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA.

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
The Risk of Exposure to Diagnostic Ultrasound in Postnatal Subjects: Thermal Effects.
W. D. O'Brien Jr, C. X. Deng, G. R. Harris, B. A. Herman, C. R. Merritt, N. Sanghvi, and J. F. Zachary (2008)
J. Ultrasound Med. 27, 517-535
   Abstract »    Full Text »    PDF »
Application of Vibro-acoustography for Detection of Calcified Arteries in Breast Tissue.
A. Alizad, M. Fatemi, D. H. Whaley, and J. F. Greenleaf (2004)
J. Ultrasound Med. 23, 267-273
   Abstract »    Full Text »    PDF »
AAPM/RSNA Physics Tutorial for Residents: Topics in US: Beyond the Basics: Elasticity Imaging with US.
T. J. Hall (2003)
RadioGraphics 23, 1657-1671
   Abstract »    Full Text »    PDF »
Vibro-acoustography: An imaging modality based on ultrasound-stimulated acoustic emission.
M. Fatemi and J. F. Greenleaf (1999)
PNAS 96, 6603-6608
   Abstract »    Full Text »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)