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Measurements of the nonlinearity parameter B/A of contrast agents.

作者信息

Wu J, Tong J

机构信息

Department of Physics, University of Vermont, Burlington 05405, USA.

出版信息

Ultrasound Med Biol. 1998 Jan;24(1):153-9. doi: 10.1016/s0301-5629(97)00207-x.

DOI:10.1016/s0301-5629(97)00207-x
PMID:9483783
Abstract

The nonlinearity parameter B/As of two contrast agents (Albunex and Levovist) in a saline solution (Isoton II) were measured. The results show that B/As of both contrast agents were increasing functions of bubble number densities. In general, they are much higher than that of most soft tissues. For Albunex (concentration = 1 microL Albunex: 1 mL Isoton) a B/A of 2000; and for Levovist (concentration = 6.0 mg Levovist powder: 1 mL Isoton), a B/A of 600 was obtained.

摘要

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