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Blue Prestained Protein Marker Detection Pack
Experimental Controls
MW Marker Kit

Blue Prestained Protein Marker Detection Pack #86810

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Blue Prestained Protein Marker Detection Pack: Image 1
Titration of Blue Prestained Protein Marker, Broad Range (11-250 kDa) #59329 (left). Western blot analysis of #59329 using Anti-Blue (2DF11) Mouse mAb (HRP Conjugate) #46387 (right).
To Purchase # 86810S
Product # Size Price
1 Kit N/A

Product Usage Information

Important: Do Not Boil Protein Marker

1. Thaw the protein ladder on ice.

2. Gently vortex solution to ensure the mixture is homogeneous.

3. Load the appropriate volume of the protein marker per lane, as specified below:


0.75-1.0 mm thick: load 5 μl

1.5 mm thick: load 10 μl


0.75-1.0 mm thick: load 10 μl

1.5 mm thick: load 20 μl

Please note, when using #59329 Blue Prestained Protein Marker, Broad Range (11-250 kDa) with #46387 Anti-Blue (2D2F11) Mouse mAb (HRP Conjugate), it is recommended to load between 0.5 μl-2.5 μl of #59329 to better visualize the separation of proteins while minimizing excess background due to an overabundance of protein.

4. Unused ladder may be returned to -20ºC for long-term storage.

Detection of Protein Ladders:

a) Perform chemiluminescent detection according to the manufacturer's instructions except, at the stage of secondary antibody incubation with the blot, concurrently add the Anti-Blue (2D2F11) Mouse mAb (HRP Conjugate) at a dilution of 1:1000. Incubate for one house at room temperature with gentle agitation.

b) Proceed as usual with the detection procedure.


Blue Prestained Protein Marker, Broad Range (11-250 kDa) is supplied in 62.5 mM Tris-Phosphate (pH 7.5 at -20ºC), 1 mM EDTA, 2% SDS, 10 mM DTT, 1 mM NaN3 and 33% glycerol. Store at –20°C for up to one year.
Anti-Blue (2D2F11) Mouse mAb (HRP Conjugate) is supplied in 136 mM NaCl, 2.6 mM KCl, 12 mM sodium phosphate (pH 7.4) dibasic, 2 mg/ml BSA, and 50% glycerol. Store at –20°C. Do not aliquot the antibody.

Product Description

The Blue Prestained Protein Marker Detection Pack is designed to detect the molecular weight ladders on western blots when using the horseradish peroxidase (HRP) based western detection system. The pack contains Blue Prestained Protein Marker, Broad Range (11-250 kDa) and Anti-Blue (2D2F11) Mouse mAb (HRP Conjugate). Blue Prestained Protein Marker, Broad Range (11-250 kDa) is a mixture of purified proteins covalently coupled to a blue dye that resolve to a series of 11 bands between 11 and 250 kDa following electrophoresis. The protein concentrations are carefully balanced for even intensity. The covalent coupling of the dye to the proteins affects their electrophoretic behavior in SDS-PAGE gels relative to unstained proteins. The Anti-Blue (2D2F11) Mouse mAb (HRP Conjugate) is conjugated to the carbohydrate groups of HRP via its amine groups. The antibody has been optimized to detect proteins labeled with remazol blue on western blots. The pack is optimized for chemiluminescent western detection procedures.

Limited Uses

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Products are labeled with For Research Use Only or a similar labeling statement and have not been approved, cleared, or licensed by the FDA or other regulatory foreign or domestic entity, for any purpose. Customer shall not use any Product for any diagnostic or therapeutic purpose, or otherwise in any manner that conflicts with its labeling statement. Products sold or licensed by CST are provided for Customer as the end-user and solely for research and development uses. Any use of Product for diagnostic, prophylactic or therapeutic purposes, or any purchase of Product for resale (alone or as a component) or other commercial purpose, requires a separate license from CST. Customer shall (a) not sell, license, loan, donate or otherwise transfer or make available any Product to any third party, whether alone or in combination with other materials, or use the Products to manufacture any commercial products, (b) not copy, modify, reverse engineer, decompile, disassemble or otherwise attempt to discover the underlying structure or technology of the Products, or use the Products for the purpose of developing any products or services that would compete with CST's products or services, (c) not alter or remove from the Products any trademarks, trade names, logos, patent or copyright notices or markings, (d) use the Products solely in accordance with CST's Product Terms of Sale and any applicable documentation, and (e) comply with any license, terms of service or similar agreement with respect to any third party products or services used by Customer in connection with the Products.

For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
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