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. Author manuscript; available in PMC: 2010 Dec 9.
Published in final edited form as: Anesthesiology. 2006 Jun;104(6):1184–1190. doi: 10.1097/00000542-200606000-00013

Figure 3.

Figure 3

Binary diagram noting the concentrations of purified poloxamer 188 and the co-surfactant fatty acids necessary to form propofol microemulsions in a bulk media of normal saline. The concentration of propofol was constant at 10 mg/ml. For a given fatty acid co-surfactant, the region below the line is a microemulsion whereas the area above the line represents a macroemulsion formulation.