| 摘要 |
Compositions comprising, in an aqueous carrier, a lipid and a material which is capable of stabilizing the composition. The stabilizing material is associated non-covalently with said lipid and is present in an amount sufficient to coat the lipid but insufficient to raise the viscosity of the composition. The compositions are particularly suitable for use in diagnostic applications, including ultrasound. The compositions can take the form of vesicular compositions, such as micelles and liposomes.
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