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T0440
Sigma
3,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System for ELISA
Description
| Frequently Asked Questions | Live Chat and Frequently Asked Questions |
| Application | TMB is a substrate for horseradish peroxidase. Develops a soluble blue reaction product that may be read at 370 or 655 nm. For endpoint assays the reaction may be stopped with acid, forming a yellow reaction product that may be read at 450 nm. Recommended for ELISA (microwell) procedures, not recommended for membrane applications. |
| Caution | Stable at least one year at 2-8 °C. |
| Physical form | Ready-to-use. |
Properties
| storage temp. | 2-8°C |



