Document Detail

Potential of microbubbles for use as point targets in phase aberration correction.
MedLine Citation:
PMID:  15690724     Owner:  NLM     Status:  MEDLINE    
Bubbles can be produced by vaporization of perfluorocarbon droplets of a few microm diameter. These bubbles can reach over 100 microm in diameter and their backscatter is calculated to be well more than 10 dB above that of several organ tissues. At appropriate sizes, small acoustic amplitudes, and diagnostic frequencies (2-15 MHz), bubbles can be approximated by the nonrigid sphere-scattering solution employed here. This paper concerns the bubble size and its implications on the backscatter amplitude and the phase error introduced in diagnostic ultrasound when assuming that the bubble acts as a point target for phase aberration correction.
Dimitris Psychoudakis; J Brian Fowlkes; John L Volakis; Paul L Carson
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article; Research Support, U.S. Gov't, P.H.S.; Validation Studies    
Journal Detail:
Title:  IEEE transactions on ultrasonics, ferroelectrics, and frequency control     Volume:  51     ISSN:  0885-3010     ISO Abbreviation:  IEEE Trans Ultrason Ferroelectr Freq Control     Publication Date:  2004 Dec 
Date Detail:
Created Date:  2005-02-04     Completed Date:  2005-03-10     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  9882735     Medline TA:  IEEE Trans Ultrason Ferroelectr Freq Control     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1639-48     Citation Subset:  IM    
Radiation Laboratory, Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor, MI 48109-2122, USA.
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MeSH Terms
Computer Simulation
Image Enhancement / methods*
Image Interpretation, Computer-Assisted / methods*
Models, Biological*
Models, Statistical
Particle Size
Reproducibility of Results
Scattering, Radiation
Sensitivity and Specificity
Ultrasonography / methods*
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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