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BRL Abstracts Database |
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Your search for ultrasound produced 3296 results. Page 301 out of 330
| Title |
Ultrasound and chromosome damage. |
| Author |
Watts PL, Hall AJ, Fleming JEE. |
| Journal |
Br J Radiol |
| Volume |
|
| Year |
1972 |
| Abstract |
It has been suggested previously that ultrasonic radiation at diagnostic power and frequency ranges causes chromosome damage. In this study human peripheral blood was insonated in a system of total reflection for two hours with continuous wave and pulsed ultrasound within the frequency range of 1 to 2.5 MHz and up to 8 W cm(^-2) total power output. Insonation time was increased up to 20 hours. Experimental techniques also included through transmission of ultrasonic energy. Plasma cultures were also examined for chromosome aberrations. Under none of these conditions was there a significant increase in the number of chromosome aberrations when compared with control samples. |
| Title |
Ultrasound and DNA. |
| Author |
Coakley WT, Dunn F. |
| Journal |
Lancet |
| Volume |
|
| Year |
1975 |
| Abstract |
No abstract available. Letter to the editor. |
| Title |
Ultrasound and embryonic chromosomes. |
| Author |
Ikeuchi T, Sasaki M, Oshimura M, Azumi J, Tsuji K. |
| Journal |
Br Med J |
| Volume |
|
| Year |
1973 |
| Abstract |
No abstract available. |
| Title |
Ultrasound and growth of amniotic-fluid cells. |
| Author |
Mahoney MJ, Hobbins JC. |
| Journal |
Lancet |
| Volume |
|
| Year |
1973 |
| Abstract |
No abstract available. |
| Title |
Ultrasound and mammalian D.N.A. |
| Author |
Galperin-Lemaitre H, Kirsch-Volders M, Levi S. |
| Journal |
Lancet |
| Volume |
|
| Year |
1975 |
| Abstract |
No abstract available. Letter to the editor. |
| Title |
Ultrasound and mammalian D.N.A. |
| Author |
Prasad N, Prasad R, Bushong SC, North LB, Rhea E. |
| Journal |
Lancet |
| Volume |
|
| Year |
1976 |
| Abstract |
No abstract available. |
| Title |
Ultrasound and mammalian D.N.A. |
| Author |
Thacker J. |
| Journal |
Lancet |
| Volume |
|
| Year |
1975 |
| Abstract |
No abstract available. Letter to the editor. |
| Title |
Ultrasound and marrow-cell chromosomes. |
| Author |
Galperin-Lemaitre H, Gustot P, Levi S. |
| Journal |
Lancet |
| Volume |
|
| Year |
1973 |
| Abstract |
No abstract available. |
| Title |
Ultrasound and medicine. A survey of experimental studies. |
| Author |
Herrick JF, Krusen FH. |
| Journal |
Proc Natl Electron Conf |
| Volume |
|
| Year |
1954 |
| Abstract |
Experimental investigations indicate that ultrasound may prove useful for therapy, for diagnosis and for biologic measurement. Ultrasound, although it may be dangerous in unskilled hands, is an excellent agent for the structural heating of living tissues. The term ?structural heating? is used to denote heating at abrupt interfaces. The living organism presents numerous abrupt interfaces. Ultrasound promises to become a reliable diagnostic tool. Either the transmitted or the reflected ultrasonic energy can be used in this application. Tumors, gallstones, kidney stones, stones in the salivary glands, foreign bodies and abnormal collections of fluid have been located accurately. Preliminary observations on the use of ultrasound for certain biologic measurements are encouraging. Instrumentation for biologic measurement includes ultrasonic flowmeters, devices for measuring thickness of some tissue structures and equipment for measuring the viscosity of blood. |
| Title |
Ultrasound and medicine. a survey of experimental studies. |
| Author |
herrick JF, krusen FH. |
| Journal |
J Acoust Soc Am |
| Volume |
|
| Year |
1954 |
| Abstract |
Experimental investigations indicate that ultrasound may prove useful for therapy, for diagnosis, and for biologic measurement.
Ultrasound, although it may be dangerous in unskilled hands, is an excellent agent for the structural heating of living tissues. The term “structural heating” is used to denote heating at abrupt interfaces.The living organism presents numerous abrupt interfaces.
Ultrasound promises to become a reliable diagnostic tool. Either the transmitted or the reflected ultrasonic energy can be used in this application. Tumors, gallstones, kidney stones, stones in the salivary glands, foreign bodies, and abnormal collections of fluid have been located accurately.
Preliminary observations on the use of ultrasound for certain biologic measurements are encouraging. Instrumentation for biologic measurement includes ultrasonic flowmeters, devices for measuring thickness of some tissue structures, and equipment for measuring the viscosity of blood. |
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