Ensys, Inc.

Cardiovascular Diagnostics, Inc.

Ensys Environmental Products, Inc.

William B Studabaker

Stephen B Friedman

Patrick D Mize

Randy L Allen

A method of performing a fibrinogen assay is provided using an assay reagent containing ecarin to give an assay that is insensitive to the presence of heparin and insensitive to hematocrit, while being useful as a point of care assay in both a dry chemistry and wet chemistry format.

Methods for performing fibrinogen assays using dry chemical reagents

An immunoassay method that integrates a sample processing component that enables the testing of a variety of environmental matrixes and the components for performing the method, wherein the immunoassay utilizes a monoclonal anti-PCB antibody to detect the presence or absence of PCB based contamination in a sample when tested in a field or laboratory location.

Polychlorinated biphenyls (PCB) immunoassay method, its components and a

Methods for the detection, identification and/or quantitation of halogenated hydrocarbons in aqueous samples and kits for performing the methods are provided which provide high sensitivity and can provide high selectively for individual halogenated hydrocarbons such as TCE or THMs. An additional method is provided for the sensitive determination of TTHM in an aqueous sample. These methods use a general two step procedure of (1) extracting and concentrating the halogenated hydrocarbons from the aqueous sample and (2) subjecting the concentrated halogenated hydrocarbons to a modified Fujiwara reaction to provide chromophoric products which can be analyzed by absorption spectra of the resulting mixtures.

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Durham, NC, United States of America

William B Studabaker