Apparatus, systems and methods for producing particles using rotating capillaries
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United States of America Patent
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Dec 3, 2013
Grant Date -
Mar 8, 2012
app pub date -
Mar 16, 2010
filing date -
Mar 16, 2009
priority date (Note) -
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Abstract
An apparatus for forming particles from a liquid, including a rotor assembly having at least one surface sized and shaped so as to define at least one capillary. Each capillary has an inner region adjacent an axis of rotation of the rotor assembly, an outer region distal from the axis of rotation, and an edge adjacent the outer region. The rotor assembly is configured to be rotated at an angular velocity selected such that when the liquid is received in the inner region of the at least one capillary, the liquid will move from the inner region to the outer region, adopt an unsaturated condition on the at least one surface such that the liquid flows as a film along the at least one surface and does not continuously span the capillary, and, upon reaching the edge, separates from the at least one surface to form at least one particle.
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