Samples of the prepared cubosome dispersions were suitably
diluted with deionized water and examined under a Leica microscope
(Leica image analyzer, Model Q 550IW equipped with Leica
DMLB microscope Cambridge, England. Connected to Camera,
Model TK-C1380 JVC, Victor Company, Japan) calibrated with a
micrometer slide using polarized light or differential interference
contrast at magnifications between 10 and 100.