Contrast agents
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United States of America Patent
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app pub date -
Aug 13, 2003
filing date -
Mar 28, 1991
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Abandoned
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Abstract
The invention relates to ultrasound contrast agents comprising vesicles comprising a protein capable of formation of gas-containing vesicles, wherein the vesicles contain gas which comprises sulphur hexafluoride or a low molecular weight fluorinated hydrocarbon. These contrast agents exhibit stability in vivo upon administration so as to permit ultrasound visualization while allowing rapid subsequent elimination from the system.
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