Dynamic continuous flow enzyme reactor

Chemistry: molecular biology and microbiology – Apparatus – Including measuring or testing

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435291, C12M 140

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active

048659843

ABSTRACT:
A dynamic continuous flow enzyme reactor and method for carrying out and analyzing phospholipid-dependent enzyme reactions are provided. The enzyme reactor is a tubular member preferably a capillary tube, coated on its inner surface with a planar phospholipid bilayer membrane, optionally and preferably containing an enzyme or enzyme cofactor. The reactor is connectable at one end to a means for delivering fluid flow reagents to the reactor and is connectable at a second end to a means for analyzing an effluent exiting from the reactor. Preferably the enzyme cofactor in the phospholipid membrane is purified tissue factor and the fluid reagents are inactive blood clotting factors which become activated upon interaction with the phospholipid membrane through a tissue factor-mediated reaction.

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Lottenberg et al., "Assay of Coagulation Proteases", Methods in Enzymology, 0: 341-361.
Bach et al., "Factor VII Binding to Tissue Factor in Reconsituted Phospholipid Vesicles: Induction of Cooperativity by Phosphatidylserine", Biochemistry, 25: 4007-4020 (1986).
Brian et al., "Allogenic Stimulation of Cytotoxic T Cells by Supported Planar Membranes", Proc. Natl. Acad. Sci. USA, 81: 6159-6163 (Oct. 1984).
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