Enzymatic method for determining oxygen solubility in perfluorocarbon emulsions

authors	Freire, MG; Dias, AMA; Coutinho, JAP; Coelho, MAZ; Marrucho, IM
nationality	International
journal	FLUID PHASE EQUILIBRIA
author keywords	solubility measurements; oxygen; perfluorocarbon emulsions; enzymatic method
keywords	SODIUM DODECYL-SULFATE; BLOOD SUBSTITUTES; MICELLAR SOLUTIONS; WATER EMULSIONS; ORGANIC LIQUIDS; GASES; CARRIERS; PRESSURE; ETHANE; PHASE
abstract	An enzymatic method to measure the glucose content in solution was adapted for measurements of oxygen content in oil in water emulsions with a precision of about 1%. The oxygen solubility in concentrated perfluorocarbon in water emulsions at 310.2 K and atmospheric pressure was measured. To study the effect of the perfluorocarbon and of the surfactant in the oxygen solubility, two perfluorocarbons, n-perfluorohexane and perfluorodecalin, in combination with three nonionic surfactants, Lecithin, Span 20 and Pluronic F-68 were used. The concentrations used were 50% (w/v) for the perfluorocarbons and 5% (w/v) for the surfactant. The oxygen solubility is shown to be independent of the surfactant used and dependent only of the perfluorocarbon employed in the emulsions studied. © 2005 Elsevier B.V. All rights reserved.
publisher	ELSEVIER SCIENCE BV
issn	0378-3812
year published	2005
volume	231
issue	1
beginning page	109
ending page	113
digital object identifier (doi)	10.1016/j.fluid.2005.01.008
web of science category	Thermodynamics; Chemistry, Physical; Engineering, Chemical
subject category	Thermodynamics; Chemistry; Engineering
unique article identifier	WOS:000229588800013