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The spatial distribution of cavitation induced acoustic emission, sonoluminescence and cell lysis in the field of a shock wave lithotripter

The spatial distribution of cavitation induced acoustic emission, sonoluminescence and cell lysis in the field of a shock wave lithotripter
The spatial distribution of cavitation induced acoustic emission, sonoluminescence and cell lysis in the field of a shock wave lithotripter
This study examines the spatial distribution of various properties attributed to the cavitation field generated by a shock wave lithotripter. These properties include acoustic emission and sonoluminescence, which result from violent bubble collapse, and the degree of cell lysis in vitro, which appears to be related to cavitation. The acoustic emission detected with a 1 MHz, 12 cm diameter focused hydrophone occurs in two distinct bursts. The immediate signal is emitted from a small region contained within the 4 MPa peak negative pressure contour. A second, delayed, burst is emitted from a region extending further along the beam axis. The delay between these two bursts has also been mapped, and the longest delay occurs at positions close to the regions of maximum peak negative pressure. Sonoluminescence from both single and multiple shocks occurs in a broader region than the acoustic emission but the measurement techhnique does not allow time resolution of the signal. Cell lysis occurs in a relatively small region that correlates closely with the immediate acoustic emission for a shock propagating in a gelatine solution.
1545-1560
Coleman, A.J.
1c05afe0-16b8-4547-98fb-93ed8872ea0e
Whitlock, M.
28885acf-fc31-4fdb-af89-b89636113ff1
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Saunders, J.E.
51ae68d9-0d48-4cbb-a67d-e5e435f4eac7
Coleman, A.J.
1c05afe0-16b8-4547-98fb-93ed8872ea0e
Whitlock, M.
28885acf-fc31-4fdb-af89-b89636113ff1
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Saunders, J.E.
51ae68d9-0d48-4cbb-a67d-e5e435f4eac7

Coleman, A.J., Whitlock, M., Leighton, T.G. and Saunders, J.E. (1993) The spatial distribution of cavitation induced acoustic emission, sonoluminescence and cell lysis in the field of a shock wave lithotripter. Physics in Medicine and Biology, 38 (11), 1545-1560. (doi:10.1088/0031-9155/38/11/001).

Record type: Article

Abstract

This study examines the spatial distribution of various properties attributed to the cavitation field generated by a shock wave lithotripter. These properties include acoustic emission and sonoluminescence, which result from violent bubble collapse, and the degree of cell lysis in vitro, which appears to be related to cavitation. The acoustic emission detected with a 1 MHz, 12 cm diameter focused hydrophone occurs in two distinct bursts. The immediate signal is emitted from a small region contained within the 4 MPa peak negative pressure contour. A second, delayed, burst is emitted from a region extending further along the beam axis. The delay between these two bursts has also been mapped, and the longest delay occurs at positions close to the regions of maximum peak negative pressure. Sonoluminescence from both single and multiple shocks occurs in a broader region than the acoustic emission but the measurement techhnique does not allow time resolution of the signal. Cell lysis occurs in a relatively small region that correlates closely with the immediate acoustic emission for a shock propagating in a gelatine solution.

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Published date: 1993
Organisations: Acoustics Group

Identifiers

Local EPrints ID: 349524
URI: https://eprints.soton.ac.uk/id/eprint/349524
PURE UUID: a1ce4a2a-97cf-4aab-b984-2643dc330ee3
ORCID for T.G. Leighton: ORCID iD orcid.org/0000-0002-1649-8750

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Date deposited: 06 Mar 2013 15:43
Last modified: 06 Jun 2018 13:08

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