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SEM images of Neusilin® UFL2 loaded with 1:2 w/w PEG-35 castor oil (Cremophor® EL) at 700× (a) and 2300× (b) magnifications and loaded with 1:3 w/w Cremophor® EL at 650× (c) and 2500× (d) magnifications. Microscopic scales are shown with the images for comparison.
