About this item
Thermo Scientific Blocker Casein in PBS or TBS is a ready-to-use, solution of purified casein protein for blocking steps in Western blot, ELISA, IHC and nucleic acid detection methods.
- Easy to use
- Safe, stable and thimerosal-free formulations
- Purified casein provides fewer chances of cross reaction
- Flexible and available in PBS and TBS formulations
This blocking buffer contains casein protein that is purified from milk by the Hammarsten method. The phosphate- and Tris-buffered saline formulations are used for blocking excess binding sites on membranes and microplates in antibody-based detection methods. Blocker Casein Buffers are 1% (w/v) casein, which corresponds to the optimal concentration for most applications.
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