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Sample X-tra

The Sample X-tra,   is used for dilution of samples matrices & assay standards for generating the standard curve in immunoassays such as ELISA, EIA, RIA, Protein Arrays, Western Blotting and Immuno-PCR.

In an ELISA, the buffer minimizes nonspecific interactions between the matrix proteins and the surface of the plate. This results in an improved Signal to Noice Ratio.



  • Phosphate-free
  • Free of azide, mercury or other toxic preservative formulations
  • Ready-To-Use
  • Can be used for dilution of serum, plasma etc, as well as standards & controls
  • The buffer is free from animal components.



  • 2 years at 2-8°C



Cat # Unit
5350A 1000 ml
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