Methods of preparing gas and gaseous precursor-filled microspher

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes

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424 121, 424 9321, 424 951, 424489, 436829, 935 54, 264 41, 264 43, 264 46, A61K 9127

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active

058537520

ABSTRACT:
Methods of and apparatus for preparing temperature activated gaseous precursor-filled liposomes are described. Gaseous precursor-filled liposomes prepared by these methods are particularly useful, for example, in ultrasonic imaging applications and in therapeutic drug delivery systems.

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