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Title: Ultrasonic attenuation of dog tissues as a function of temperature
Authors: Fry, Francis J. 
Damianou, Christakis A. 
Sanghvi, Narendra T. 
Major Field of Science: Engineering and Technology
Field Category: Electrical Engineering - Electronic Engineering - Information Engineering
Keywords: Absorption;Temperature measurement;Ultrasonic variables measurement;Transducers;Liver;Frequency;Attenuation measurement;Pulse measurements;Muscles;In vitro
Issue Date: 1-Dec-1995
Source: Proceedings of the 1995 IEEE Ultrasonics Symposium. Part 1 (of 2); Seattle, WA, USA; ; 7 November 1995 through 10 November 1995
Volume: 2
Conference: Proceedings of the IEEE Ultrasonics Symposium 
Abstract: The effect of temperature and thermal dose referenced at 43 °C on the attenuation and absorption was studied in dog muscle, liver and kidney in vitro. It was found that the attenuation and absorption increased for temperatures higher than 50 °C, and eventually reached a maximum at 65 °C. The change in attenuation or absorption when necrosis is produced was to about twice the value at 37 °C. The change in attenuation or absorption occurred at thermal doses of 100-1000 min which corresponds to the range of threshold of necrosis. The maximum attenuation or absorption was reached at thermal dosages in the order of 107 min.
Description: Proceedings of the IEEE Ultrasonics Symposium, Volume 2
ISSN: 1051-0117
Rights: © IEEE
Type: Conference Papers
Affiliation : Indiana University 
Appears in Collections:Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation

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