Cystathionine Gamma Lyase (CSE) BioAssay™ ELISA Kit (Rat) is a sandwich enzyme immunoassay for in vitro quantitative measurement of CSE in rat tissue homogenates and other biological fluids.Detection Range0.156-10ng/mlSensitivity0.053ng/mlest PrincipleThe microtiter plate provided in this kit has been pre-coated with an antibody specific to CSE. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to rat CSE. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain CSE, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulfuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of CSE in the sample is then determined by comparing the O.D. of the sample to the standard curve.Kit Components*024516A: Microtiter Plate, 1x96 wells, Pre-coated; ready to use*024516B: Standard, 2x1vial 024516C: Standard Diluent, 1x20ml*024516D: Detection Reagent A, 1x120ul *024516E: Detection Reagent B, 1x120ul 024516F: Assay Diluent A (2x),1x6ml024516G: Assay Diluent B (2x), 1x6ml024516H: TMB Substrate, 1x9ml024516K: Stop Solution, 1x6ml024516L: Wash Buffer, 30X, 1x20ml Storage and StabilityStore *024516A, *024516B, *024516D and *024516E at -20°C. Store all the other components at 4°C. Unused kit is stable for 6 months. Once kit components are opened, it is highly recommended to use remaining reagents within 1 month provided this is within the expiration date of the kit. For maximum recovery of product, centrifuge the original vials after thawing and prior to removing the cap.Assay Procedure Summary1. Prepare all reagents, samples and standards.2. Add 100ul standard or sample to each well. Incubate 2 hours at 37°C.3. Add 100ul prepared Detection Reagent A. Incubate 1 hour at 37°C.4. Aspirate and wash 3 times.5. Add 100ul prepared Detection Reagent B. Incubate 30 minutes at 37°C.6. Aspirate and wash 5 times.7. Add 90ul TMB Substrate. Incubate 15-25 minutes at 37°C.8. Add 50ul Stop Solution. Read at 450nm immediately.

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