Transforming Growth Factor Beta 1 (TGFb1) BioAssay™ ELISA Kit (Human) is a sandwich enzyme immunoassay for in vitro quantitative measurement of TGFb1 in human serum, platelet-poor plasma, tissue homogenates, cell culture supernates and other biological fluids.
Detection Range
 31.2-2000pg/ml
Kit Components
 *028519A: Microtiter Strip, 1x96 wells, Pre-coated, ready to use *028519B: Standard, 2x1 vial 028519C: Standard Diluent, 1x20ml *028519D: Detection Reagent A, 1x120ul *028519E: Detection Reagent B, 1x120ul 028519F: Assay Diluent A, 1x12ml 028519G: Assay Diluent B, 1x12ml 028519H: TMB Substrate, 1x9ml 028519K: Stop Solution, 1x6ml 028519L: Wash Buffer, 30X, 1x20ml
Precaution
 The Stop Solution (028519K) suggested for use with this kit is an acid solution. Wear eye, hand, face, and clothing protection when using this material.
Storage and Stability
 Store *028519A, *028519B, *028519D and *028519E 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 Summary
 1. Prepare all reagents, samples and standards; 2. Add 100ul standard or sample to each well. Incubate 2 hours at 37°C. 3. Aspirate and add 100ul prepared Detection Reagent A. Incubate 1 hour at 37°C. 4. Aspirate and wash 3 times. 4. Add 100ul prepared Detection Reagent B. Incubate 30 minutes at 37°C. 5. Aspirate and wash 5 times. 6. Add 90ul Substrate Solution. Incubate 15-25 minutes at 37°C. 7. Add 50ul Stop Solution. Read at 450nm immediately.