Prionics Ag

Ellie Corporation

Miladin Kostovic

Milovan Stojanovic

Methods and reagents for processing samples for fluorescence analysis. Processing methods include treating samples containing riboflavin to reduce riboflavin-dependent autofluorescence by adding riboflavin binding protein to the sample, irradiating the sample, or a combination thereof. Processing methods also include clarifying samples by coagulating, precipitating, and/or otherwise removing proteins and other components that interfere with fluorescence analysis without removing the analyte. Fluorescence analysis methods include fluorescence polarization analysis (FPA) and others. Reagents suitable for performing the disclosed methods are provided.

Sample clarification and reduction of background fluorescence for fluorescent detection of analytes

The present invention relates to the method for treatment of tissue samples with proteolytic/histolytic additive collagenase or other similar protease prior to testing with an antigen capture immunoassay to identify cattle infected with Bovine Viral Diarrhea Virus (BVDV). The use of collagenase or other similar protease in antigen extraction step of the assay drastically increases accuracy of the assay, thus it allows for a more effective, reliable, quick, and cost effective way of identifying and thereby removing infected cattle and/or other animals from an otherwise uninfected herd.

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Brookfield, WI, United States of America

Miladin Kostovic