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Agrisera BCIP/NBT Plus ALP Substrate

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

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Product Information

Storage Store at 2°C to 8°C

Reactivity

Application examples

Application examples Western blot using anti-RbcL antibody

5 µg of total protein extracted freshly from Arabidopsis thaliana were separated on 15 % SDS-PAGE and blotted 1h to PVDF using semi-dry transfer. Blot was blocked with 5 % milk in TBS-T 4°C/ON with agitation. Blot was incubated in the primary antibody at a dilution of 1: 5 000 for 1h/RT with agitation in 5 % milk in TBS-T with agitation. The antibody solution was decanted, and the blot was rinsed briefly, then washed 3 times for 5 min in TBS-T at RT with agitation. Blot was incubated in Agrisera matching secondary antibody (AS09 607 Goat anti-rabbit IgG, ALP conjugated) diluted to 1:1 000 in for 30 min/RT with agitation. The blot was washed 3 times for 10 min in TBS-T at RT with agitation and developed for 30 sec with Agrisera BCIP/NBT ALP Substrate (AS19 BCIP-NBT-50).

Additional information

Recommendation for use:

  1. Equilibrate reagent to room temperature before use.
  2. Following final binding reaction with an ALP labeled probe, wash the membrane or tissue sections in Tris-buffered saline or Tris/HCl containing 0.1% Tween 20. Do not use phosphate buffer for washing since this will inhibit ALP.
  3. Incubate the membrane in Agrisera BCIP/NBT Plus 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 or tissue section. 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.
  4. Wash the membrane or tissue sections with deionized water to stop the enzyme reaction.
  5. Tissue sections can be counter stained in a 0.5% solution of neutral red that has been prepared in a 0.1 Mol L-1 acetate buffer, pH 5.2. Hematoxylin solutions will not provide sufficient contrast. A blue-purple precipitate will be localized at sites of ALP activity on the tissue sections.
    Dry membranes 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.

Related products

Related products AS19 BCIP-NBT | Agrisera BCIP/NBT ALP Substrate

Background

Background

Agrisera BCIP/NBT Plus ALP Substrate is designed to localize ALP labeled probes on immunohistochemical , in situ hybridization and blotting techniques. 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 (0.692 mMol L-1) and NBT (0.734 mMol L-1) in a 2-amino-2-methyl-1-propanol (AMP) buffer at a pH of 9,8 with added non-toxic stabilizers.

Features:

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

Product citations

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