Precision Plus Protein™ Prestained Standards

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Precision Plus Protein™ prestained standards are available in All Blue, Dual Color, Kaleidoscope™, and Dual Xtra color options. All four have the same migration pattern and show exceptional lot-to-lot molecular weight consistency. These standards can all be used for accurate molecular weight estimation and monitoring electrophoresis and transfer efficiency. WesternC™ standard enables chemiluminescence detection when probed with StrepTactin-HRP conjugates, so the protein standard appears directly on film or CCD image.

Key Features:

  • All standards include 3 high-intensity reference bands (25, 50, 75 kD)
  • Fluorescent properties (see bulletins 5685 and 5723 for details). Blue bands from Precision Plus Protein All Blue, Dual Color, and Dual Xtra standards can be visualized with a 635 nm laser or red LED and pink bands can be visualized with a 532 nm laser or green LED. Note that the bands from 5 kD to 250 kD are only visible in fluorescent blots for the Dual Xtra standard. Bands from the Precision Plus Kaleidoscope standard of 15, 20, 37, 50, 100, 150, and 250 kD are visible with a 635 nm laser or red LED; those of 25 and 75 kD are visible with a 532 nm laser or green LED, and the 10 kD band is visible with a blue LED.
  • Dual Xtra standards consist of 12 recombinant proteins between 2 and 250 kD, all others consist of 10 recombinant proteins between 10 and 250 kD
  • MW markers confirmed by mass spectrometry
  • Strong linear relationship between the proteins' log molecular weight and relative migration distance on a gel
  • Prestained bands for monitoring of electrophoresis progression and assessment of blotting efficiency

MW size range 2–250 kD
Stain type Markers consist of highly purified recombinant proteins covalently stained with multicolored dyes
Volume* 500 µl
Number of applications* 50
Loading buffer 30% (w/v) glycerol, 2% SDS,
62.5 mM Tris, pH 6.8, 50 mM DTT,
5 mM EDTA, 0.02% NaN3,
0.01% bromophenol blue
Shelf life Store for 6 months at 4°C** or 12 months at –20°C
Product components* 1 x 500 µl tube, instruction sheet, and standards migration sticker
Recommended loading volumes* Electrophoresis: 10 µl mini, 20 µl midi
Blotting: 5 µl mini, 10 µl midi
* Value packs contain 2.5 ml and are sufficient for 250 applications.
** Not applicable to Precision Plus Protein™ Kaleidoscope™ standards
Precision Plus Protein™ All Blue Standards
Precision Plus Protein™ All Blue Standards

161-0373
500 μl, mixture of 10 blue-stained recombinant proteins (10–250 kD), including 3 reference bands (25, 50, 75 kD), 50 applications

List Price:   $97.00
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Precision Plus Protein™ All Blue Standards Value Pack
Precision Plus Protein™ All Blue Standards Value Pack

161-0393
2.5 ml (5 x 500 µl), mixture of 10 blue-stained recombinant proteins (10–250 kD), including 3 reference bands (25, 50, 75 kD), 250 applications

List Price:   $420.00
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Precision Plus Protein™ Dual Color Standards
Precision Plus Protein™ Dual Color Standards

161-0374
500 μl, mixture of 10 recombinant proteins (10–250 kD), 8 blue-stained bands, and 2 pink reference bands (25 and 75 kD), 50 applications

List Price:   $120.00
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Precision Plus Protein™ Dual Color Standards Value Pack
Precision Plus Protein™ Dual Color Standards Value Pack

161-0394
2.5 ml (5 x 500 µl), mixture of 10 recombinant proteins (10–250 kD), 8 blue-stained bands, and 2 pink reference bands (25 and 75 kD), 250 applications

List Price:   $510.00
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Precision Plus Protein™ Kaleidoscope™ Standards
Precision Plus Protein™ Kaleidoscope™ Standards

161-0375
500 μl, mixture of 10 multicolor recombinant proteins (10–250 kD), 50 applications

List Price:   $130.00
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Precision Plus Protein™ Kaleidoscope™ Standards Value Pack
Precision Plus Protein™ Kaleidoscope™ Standards Value Pack

161-0395
2.5 ml (5 x 500 µl), mixture of 10 multicolor recombinant proteins (10–250 kD), 250 applications

List Price:   $545.00
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Precision Plus Protein™ Dual Xtra Standards
Precision Plus Protein™ Dual Xtra Standards

161-0377
500 μl, mixture of 12 recombinant proteins (2–250 kD), 9 blue-stained bands, and 3 pink reference bands (2, 25, 75 kD), 50 applications

List Price:   $130.00
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Precision Plus Protein™ Dual Xtra Standards Value Pack

161-0397
2.5 ml (5 x 500 µl), mixture of 12 recombinant proteins (2–250 kD), 9 blue-stained bands, and 3 pink reference bands (2, 25, 75 kD), 250 applications

List Price:   $550.00
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Number Description Options
6533 Introducing Bio-Rad’s TGX and TGX Stain-Free FastCast Acrylamide Kits, Rev A Click to download
2895 Protein Blotting Guide, Interactive PDF, Rev B Click to download
6040 Electrophoresis Guide, Interactive PDF, Rev B Click to download
4110025 Instruction Manual, Dual Color Precision Plus Protein Standards, Rev F Click to download
4110024 Instruction Manual, All Blue Precision Plus Protein Standards, Rev D Click to download
4110182 Instruction Manual, Precision Plus Protein Kaleidoscope Standards, Rev G Click to download
10018393 Precision Plus Protein Dual Xtra Standards Instruction Manual, Rev D Click to download
10008761 Instruction Manual, Precision Plus Protein WesternC Standards, Rev F Click to download
2998 Protein Standards Application Guide, Rev F Click to download [ Add to Cart (Free) ]
2414 The Little Book of Standards, Rev D Click to download [ Add to Cart (Free) ]
3144 Using Precision Plus Protein Standards to Determine Molecular Weight, Rev B Click to download
3133 Molecular Weight Determination by SDS-PAGE, Rev B Click to download
2847 Strep-tag Technology for Molecular Weight (MW) Determinations on Blots Using Precision Plus Protein Standards, Rev B Click to download
3093 Precision Plus Protein Standards Competitive Comparison Card, Rev B Click to download
2800 Precision Plus Protein Dual Color Standards Competitive Card, Rev C Click to download
2032 Western Blotting Detection Reagents Brochure, Rev F Click to download [ Add to Cart (Free) ]
2799 Precision Plus Protein Standards: The Sharpest Standards in the Box Flier, Rev B Click to download
3118 Protein Standards for Electrophoresis and Blotting Brochure, Rev C Click to download [ Add to Cart (Free) ]
3092 Precision Plus Protein Standards Flier, Rev B Click to download
5561 Precision Plus Protein WesternC Standards, Rev E Click to download [ Add to Cart (Free) ]
5957 Precision Plus Protein Dual Xtra Standards Product Information Sheet, Rev B Click to download [ Add to Cart (Free) ]