1999
DOI: 10.1111/j.1749-6632.1999.tb09489.x
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Impedance Modulation by Pulsed Ultrasound

Abstract: The propagation of an acoustic wave in an electrolyte solution produces local and periodic conductivity changes. This acousto‐electrical interaction is due to the variations of the parameters controlling ionic conductivity against pressure and temperature. The overall effect is about 10−7% Pa−1 for solutions of physiological ions and is practically independent of the ionic species involved. The bulk compressibility of the medium is responsible for about 47% of the effect, the change in viscosity due to pressur… Show more

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Cited by 60 publications
(44 citation statements)
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“…4 It was only several microvolts. A very small change in conductivity is caused by change in pressure, about 0.1% per MPa for NaCl solution, 1,5 which contributes to small AEI signal.…”
Section: Measurements In Saline Solutionmentioning
confidence: 99%
“…4 It was only several microvolts. A very small change in conductivity is caused by change in pressure, about 0.1% per MPa for NaCl solution, 1,5 which contributes to small AEI signal.…”
Section: Measurements In Saline Solutionmentioning
confidence: 99%
“…where K I is an interaction constant [15,16]. Thus, the temporal impedance change ÁZðtÞ due to a pressure pulse wave [15] can be written as …”
Section: Dv: ð2þmentioning
confidence: 99%
“…For an electric and echoic medium, using the AE effect [14][15][16][17], the temporal change Á'ðx; y; z; tÞ in conductivity 'ðx; y; zÞ due to a pressure wave pðx; y; z; tÞ can be written as Á'ðx; y; z; tÞ ¼ 'ðx; y; zÞK I pðx; y; z; tÞ;…”
Section: Dv: ð2þmentioning
confidence: 99%
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