Abstract
We propose a new contrast-echo method using counter-crossed beams of two ultrasonic frequencies as an ultrasound diagnostic for cancer. We call this the Counter-Cross Beam Contrast-Echo (C-CBCE) method. Sum and difference frequency components derived from nonlinear vibration of the contrast agents (microbubbles) driven by dual-frequency ultrasound are used in the C-CBCE method. In this study, we used Sonazoid microbubbles as we attempted to detect the sum frequency component generated by Sonazoid fixed in agar gel. We also measured the in-channel flow velocity of the Sonazoid.
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This work was supported by KAKENHI (20300181).
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Eura, T., Yoshida, K., Watanabe, Y., Takayasu, T., Nakamura, K., Akiyama, I. (2011). Proposal for Blood-Flow Imaging by Contrast Echo Using Counter-Crossed Beams. In: André, M., Jones, J., Lee, H. (eds) Acoustical Imaging. Acoustical Imaging, vol 30. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3255-3_6
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DOI: https://doi.org/10.1007/978-90-481-3255-3_6
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