Chemistry: analytical and immunological testing – Composition for standardization – calibration – simulation,...
Patent
1989-02-22
1991-02-19
Wax, Robert A.
Chemistry: analytical and immunological testing
Composition for standardization, calibration, simulation,...
436174, 435 2, 210516, 210789, 252 60, G01N 118, G01N 3349
Patent
active
049943936
ABSTRACT:
A composition is provided for use, particularly in evacuated blood collection tubes, as a blood partitioning composition. The composition is useful in provididng cleaner serum or plasma samples for biochemical tests, including a wide range of drugs. The composition includes a balanced dual resin component which provides the desired hydrophobic property while simultaneously controlling viscosity and the specific gravity, which component is comprised of poly-alpha-pinene resin which provides good drug recovery but low density with a chlorinated hydrocarbon resin which provides the proper density level while maintaining the desired hydrophobic property of the resin blend. Thixotropic property is achieved by adding silica and network stabilizer in the composition.
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Lin Fu-chung
Narayanan Sheshadri
Pradhan Shrikant P.
Becton Dickinson and Company
Grindle Robert P.
Waack Janelle D.
Wax Robert A.
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