Agrisera BCIP/NBT ALP Substrate

AS19 BCIP-NBT | Ready to use, single component BCIP/NBT reagent
Agrisera BCIP/NBT ALP Substrate in the group Detection Reagents / Chromogenic Detection at Agrisera AB (Antibodies for research) (AS19 BCIP-NBT)


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Agrisera BCIP/NBT ALP Substrate is designed to localize ALP labeled probes on Western, Northern, Southern and Dot blots. When the BCIP/NBT substrate solution is added to a blotting system containing ALP labeled probes the phosphate group of BCIP is hydrolyzed by ALP. This results in the formation of reducing components that reacts with NBT, converting it to insoluble purple NBT formazan visible on the blotting membrane.

Agrisera BCIP/NBT ALP Substrate contains BCIP (0.577 mMol L-1) and NBT (0.122 mMol L-1) in a 2-amino-2-methyl-1-propanol (AMP) buffer at a pH of 9,8 with added non-toxic stabilizers.


  • Ready to use, single component BCIP/NBT reagent
  • No to little background
  • Contains non-toxic stabilizers

Product Information

Storage Store at 2 - 8 °C.


Application examples

Additional information

Recommendation for use: Equilibrate reagent to room temperature before use,Following final binding reaction with an ALP labeled probe, wash the membrane in Tris-buffered saline or Tris/HCl containing 0,1% Tween 20, Do not use phosphate buffer for washing since this will inhibit ALP,Incubate the membrane in Agrisera BCIP/NBT ALP Substrate solution, protected from light, for 5-15 minutes, Make sure the membrane is completely covered in solution, Depending on enzyme activity longer incubations may be necessary, If the concentration of ALP probe is too high, color might develop almost immediately, and the formazan deposit can flake of the membrane, High concentration of ALP probe can also result in formazan deposits forming a thin line around the band or dot, with no deposit in the center, This requires further dilution of the ALP probe,Wash the membrane with deionized water to stop the enzyme reaction,Dry the membrane and store at room temperature protected from light, Purple bands or dots will be visible at the sites of ALP activity, In case of excessive background staining try increasing the number of washes of the washing time since this indicates an incomplete removal of non-bound ALP from the membrane

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This product is not recommended for immunohistochemical techniques. For in situ hybridization we recommend using AS19 BCIP-NBT-PLUS


Product citations

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