Dynamic continuous flow enzyme reactor
First Claim
1. A dynamic continuous flow enzyme reactor for carrying out and analyzing phospholipid-dependent enzymatic reactions which comprises a tubular housing coated on its inner surface with a planar phospholipid bilayer membrane, the housing being connectable at one opening to a means for delivering fluid flow reagents thereto and connectable at a second opening to a means for collecting and analyzing an effluent fluid therefrom.
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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.
33 Citations
24 Claims
- 1. A dynamic continuous flow enzyme reactor for carrying out and analyzing phospholipid-dependent enzymatic reactions which comprises a tubular housing coated on its inner surface with a planar phospholipid bilayer membrane, the housing being connectable at one opening to a means for delivering fluid flow reagents thereto and connectable at a second opening to a means for collecting and analyzing an effluent fluid therefrom.
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11. A method for continuously carrying out and measuring dynamic enzyme reactions comprising:
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(a) delivering reagents for performing an enzymatic reaction at a defined flow rate to an inlet in a dynamic continuous enzyme flow reactor comprising a tubular housing which is coated on its inner surface with a planar phospholipid bilayer membrane, wherein the reagents and membrane components are separately inactive for performing the enzymatic reaction, but together yield an enzymatically active system; (b) pumping the reagents through the enzyme reactor at a constant and defined flow rate so that an enzyme reaction mediated by contact of the reagents with the phospholipid membrane takes place in the enzyme reactor; (c) collecting a product of the enzyme reaction in an effluent from an exit in the enzyme reactor; and (d) measuring the amount of product formed during the enzyme reaction by means of a suitable assay. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification