Bio-Rad protein molecular weight standards are specially formulated and blended for use as molecular weight markers in a variety of applications including SDS-polyacrylamide gel electrophoresis (PAGE), western blotting, 2-D PAGE, and isoelectric focusing (IEF). Choose from prestained and unstained natural or recombinant protein ladders for broad, high, and low molecular weight ranges.
* These standards have fluorescent properties and can be used for fluorescent blotting applications. See bulletin 5723 for details on using Precision Plus Protein WesternC standards for fluorescent multiplexing. Precision Plus Protein Dual Xtra standards (161-0377) are recommended for fluorescent blot analysis of proteins between 5 and 250 kD.
** Immunodetection via addition of a Precision Protein™ StrepTactin and horseradish peroxidase (HRP) or StrepTactin and alkaline phosphatase (AP) conjugate, which will bind to the internal Strep-tags on the proteins.
*** 24 unstained plugs for 2-D gels.
* These standards have fluorescent properties and can be used for fluorescent blotting applications. See bulletin 5723 for details on using Precision Plus Protein WesternC standards for fluorescent multiplexing.
Note: Value packs of 5 are available for the following Precision Plus Protein standards: All Blue (161-0393), Dual Color (161-0394), Kaleidoscope (161-0395), Dual Xtra (161-0397), WesternC (161-0398), and Unstained (161-0396)
Strep-tag technology for western blot detection is covered by U.S. Patent Number 5,506,121 and by UK Patent Number 2,272,698. StrepTactin is covered by German patent application P 19641876.3. Bio-Rad Laboratories, Inc. is licensed by Institut für Bioanalytik GmbH to sell these products for research use only.
NOTICE TO PURCHASER: LIMITED LICENSE *This product is sold under license from Life Technologies Corporation, Carlsbad, CA for use only by the buyer of the product. The buyer is not authorized to sell or resell this product or its components.
Details on electrophoresis, available products, and tips and techniques.
Details on blotting technology, available products, and tips and techniques.
Prestained and unstained Precision Plus Protein™ standards contain up to 12 recombinant bands that are designed to have exceptional lot-to-lot molecular weight consistency. Unstained protein marker standard plugs for 2-D gels are also available.
Prestained and unstained natural protein molecular weight standards in broad, low, and high molecular weight ranges are available. Prestained standards are for quick visual assessments during electrophoresis and transfer. Unstained protein ladders are optimized for Coomassie and zinc staining.
IEF protein molecular weight standards are a mixture of native proteins with isoelectric points (pI) ranging from 4.45 to 9.6, providing reproducible pI calibration in native PAGE or agarose IEF gels. 2-D SDS-PAGE protein standards provide calibrated references for the pI and molecular weight of proteins in the second dimension.
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