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Analysis of Serpin E1 (total) (Human) by ELISA (CAT#: STEM-MB-1183-LGZ)

Introduction

Serpin E1, also known as plasminogen activator inhibitor-1 (PAI-1), is a member of a superfamily of serine protease inhibitors, produced primarily by the endothelium (cells lining the endothelium of blood vessels), but also secreted by other types of tissue such as adipose tissue. Serpin E1 is a major inhibitor of urokinase and tissue plasminogen activators (uPA and tPA).




Principle

Enzyme-linked immunosorbent assay (ELISA) is an enzyme-labeled solid phase immunoassay technique. Its basic principle is to bind the antigen (or antibody) to the solid phase carrier, and the antigen (or antibody) and a certain enzyme link to enzyme labeled antigen (or antibody). During detection, the sample to be tested and the enzymic antigen (or antibody) react with the antigen (or antibody) on the solid phase carrier according to certain procedures, and then remove the unreacted part by washing method. After adding the substrate, the substrate is catalyzed by the enzyme on the solid phase carrier to produce colored substances. Through qualitative or quantitative detection of the amount of colored products, the content of the substance to be measured in the sample can be determined.

Applications

Cardiovascular, Cardiac Biomarkers, Growth Factors

Procedure

1. Add standards or samples to each well and incubate.
2. Pour off the liquid in the well, biotinylated antibody working solution and incubate.
3. Add enzyme conjugate working solution and incubate.
4. Add substrate TMB and incubate.
5. Add stop solution and measure OD value.
6. Calculation of results.

Materials

• Sample Type: Serum, plasma or other biological fluids

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