LIPOSOME COMPOSITION, AND DIAGNOSTIC CONTRAST AGENT, THERAPEUTIC ENHANCER, AND PHARMACEUTICAL COMPOSITION USING THE SAME

摘要

To provide a liposome composition, which contains at least one liposome; gas entrapped in the liposome, and at least one metal oxide particle encapsulated in or adsorbed on the liposome, wherein the liposome composition satisfies a ratio B/A of 0.01 to 5, where A is a volume of the gas contained in the liposome on the basis of micro liter, and B is a mass of the at least one metal oxide particle contained in the liposome on the basis of milligram.