NASA NTRS · 19890029158
Phase partitioning in space and on earth
Abstract
The influence of gravity on the efficiency and quality of the impressive separations achievable by bioparticle partitioning is investigated by demixing polymer phase systems in microgravity. The study involves the neutral polymers dextran and polyethylene glycol, which form a two-phase system in aqueous solution at low concentrations. It is found that demixing in low-gravity occurs primarily by coalescence, whereas on earth the demixing occurs because of density differences between the phases.
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Van Alstine, James M., Karr, Laurel J., Snyder, Robert S., Matsos, Helen C., Curreri, Peter A., Harris, J. Milton, Bamberger, Stephan B., Boyce, John, Brooks, Donald E.. 1987-01-01. Phase partitioning in space and on earth. https://ntrs.nasa.gov/citations/19890029158
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