Agitating – Operator supported – Mixing chamber type
Patent
1997-03-14
1998-08-18
Soohoo, Tony G.
Agitating
Operator supported
Mixing chamber type
366208, 366342, 206219, B01F 1300
Patent
active
057950610
ABSTRACT:
A method for improving the efficacy of vortex-mixing a liquid sample, in which a mixing implement and the sample are placed inside a microcentrifuge tube or sample vessel. The presence of the upright mixing implement in the tube or vessel does not substantially interfere with centrifugal fractionation of the sample. The method includes the steps of providing a rod or straight wand-shaped mixing implement, in which the length of the mixing implement is greater than the maximum inner diameter of the vessel but less than the maximum inner height of the vessel when sealed so that the mixing implement is constrained to remain substantially upright within the vessel. The surface of the mixing implement is configured and arranged to be free of any substantial depressions and concave blemishes which could trap sedimenting solid material in the sample during centrifugation. The sample and mixing implement are placed in the vessel, and the vessel positioned in a holder and/or adapter element of a vortex-mixing machine. Vortex-mixing is commenced and the mixing implement moves and/or gyro-rotates rapidly around the inner sidewall of the vessel thereby accelerating the mixing process.
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Brandeis University
Soohoo Tony G.
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