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Comparison of lipid shell PFCnD B-mode image intensity. (a) B-mode images of 50:50 lipid shell and 10:90 lipid shell PFCnDs after insonation at the same PNP (9 MPa). (b) PFCnDs with a 50:50 lipid shell consistently exhibited greater ultrasound contrast across all core compositions and nanodroplet batches.
