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Scanning electron microscope images of Formulation B which are nanoemulsion loaded with different ibuprofen concentration. 1.5 % w/w (a), 3.0 % w/w (b) and 6.0 % w/w (c). (d) is a control formulation which is an oil in water emulsion containing 3 % (w/w) ibuprofen, the oil phase consists of olive oil. All images were taken at x 80 000 magnification.
