| Product Name | E.coli O157:H7 ELISA Kit |
|---|---|
| Method | Sandwich |
| Detection Range | 6.25 × 10^3 - 4 ×10^5 cfu/ml |
| Sensitivity | < 1 ×10^3 cfu/ml |
| Target | O157:H7 |
| Reactivity | E. coli |
| Sample Types | Food and water. |
| Reconstitution | This O157:H7 enzyme linked immunosorbent assay (ELISA) applies a technique called a quantitative sandwich immunoassay. The microtiter plate has been pre-coated with an Anti-O157:H7 Antibody. Standards or samples are then added to the microtire plate wells and O157:H7, if present, will bind to the antibody pre-coated on the wells. In order to quantify the amount of O157:H7 present in the sample, Anti-O157:H7 Antibody (HRP) is added to each well to "sandwich" the O157:H7 immobilised on the plate. The microtiter plate then undergoes incubation, followed by thorough washing of the wells to remove all unbound components. Next, a TMB (3,3',5,5' tetramethyl-benzidine) substrate solution is added to each well. The enzyme (HRP) and substrate are allowed to react over a short incubation period. Only those wells that contain O157:H7 will exhibit a change in colour. The enzyme-substrate reaction is terminated by the addition of a stop solution and the colour change is measured spectrophotometrically at a wavelength of 450nm ± 2nm. |
| Storage | Store at 2-8°C for 4 months or at -20°C for 8 months Store secondary antibody at 2-8°C. |
| Supplier | Antibodies.com |
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