small unilamellar neutral , negatively and positively charged liposomes composed of egg phosphatidylcholine , various amounts of cholesterol and , when appropriate , phosphatidic acid or stearylamine and containing 6-carboxyfluorescein were injected into mice , incubated with mouse whole blood , plasma or serum or stored at 4 degrees c .
C0032105
plasma
C0229671
serum