Protein Electrophoresis Size Standards

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Additional Product Descriptions

Prestained SDS-PAGE Standards
Prestained standards are used in SDS-PAGE and western blotting applications. They allow continuous monitoring of protein separation during electrophoresis and provide a quick and easy way to assess blotting efficiency.

Prestained standards are provided preblended in a stable sample buffer. No reconstitution or further dilution is necessary before use. Prestained SDS-PAGE standards are available in high, low, and broad molecular weight ranges so you can select the range that is best for your application. The molecular weights of each lot are individually calibrated and included with every vial.

Kaleidoscope Prestained Standards
Our most popular teaching lab standard, Kaleidoscope prestained standards contain seven individually color-coded proteins, allowing real-time monitoring and instant band recognition of proteins during and after electrophoresis. The molecular weights of each lot are individually calibrated and included with every vial.

Precision Plus Protein Standards
Precision Plus Protein standards offer unsurpassed band sharpness, accurate molecular weight estimations, lot-to-lot consistency, and instant orientation for gel electrophoresis and western blotting. Precision Plus Protein standards contain 10 highly purified recombinant proteins, including three reference bands, in an ideal range of bands from 10 to 250 kD. Precision Plus Protein standards are available in Kaleidoscope, unstained, all blue, and dual color options, providing four new ways to get sharper looking results.

Silver Stain SDS-PAGE Standards
Silver stain SDS-PAGE standards are blended to produce uniform band intensities with no extraneous bands when stained with Silver Stain Plus stain. Available in high and low ranges, these standards are not prestained.

Bio-Rad's protein electrophoresis standards (molecular weight markers) provide an excellent way for your students to monitor the progress of their runs and to make valid gel-to-gel comparisons. Protein standards are also used to estimate molecular weights and to identify proteins in polyacrylamide gels.

Bio-Rad's protein standards contain bromophenol blue, for easier sample loading, and glycerol, to prevent the proteins from freezing at –20°C and to eliminate freeze/thaw degradation.

Kaleidoscope Prestained Standards

161-0324EDU
500 µl, broad range standards (7,600–216,000 MW), seven individually colored proteins; education use only

List Price:   $115.00
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Precision Plus Protein Unstained Standards

161-0363EDU
1 ml, unstained mixture of 10 Strep-tagged recombinant proteins (10–250 kD), including three reference bands (25, 50, 75 kD), 100 applications; education use only

List Price:   $91.00
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Precision Plus Protein All Blue Standards

161-0373EDU
500 µl, mixture of 10 blue-stained recombinant proteins (10–250 kD), including three reference bands (25, 50, 75 kD), 50 applications; education use only

List Price:   $97.00
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Precision Plus Protein™ Dual Color Standards

161-0374EDU
500 µl, mixture of 8 blue-stained recombinant proteins (10–250 kD) with two pink reference bands (25 and 75 kD), 50 applications; education use only

List Price:   $120.00
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Precision Plus Protein Kaleidoscope Standards

161-0375EDU
500 µl, mixture of 10 multicolor recombinant proteins (10–250 kD), including three bands (25, 50, 75 kD) that match the reference bands of other standards, 50 applications; education use only

List Price:   $130.00
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Prestained SDS-PAGE Standards

161-0305EDU
500 µl, low range standards (20,700–103,000 MW), prestained mixture of six proteins; education use only

List Price:   $86.00
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Prestained SDS-PAGE Standards

161-0309EDU
500 µl, high range standards (48,000–204,000 MW), prestained mixture of four proteins; education use only

List Price:   $94.00
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Prestained SDS-PAGE Standards

161-0318EDU
500 µl, broad range standards (7,100–209,000 MW), prestained mixture of nine proteins; education use only

List Price:   $100.00
EDU Price:   $80.00   What is this?
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Number Description Options
4006026 Instruction Manual, Prestained SDS-PAGE Standards, Broad Range, Rev D Click to download
4006024 Instruction Manual, Prestained SDS-PAGE Standards, Low Range, Rev D Click to download
4006025 Instruction Manual, Prestained SDS-PAGE Standards, High Range, Rev B Click to download
LIT599 Instruction Manual, Kaleidoscope Prestained Standards, Rev E Click to download
2414 The Little Book of Standards, Rev D Click to download [ Add to Cart (Free) ]
2998 Protein Standards Application Guide, Rev G Click to download [ Add to Cart (Free) ]
3001 Criterion Precast Gels Protein Migration Charts, Rev C Click to download
2847 Strep-tag Technology for Molecular Weight (MW) Determinations on Blots Using Precision Plus Protein Standards, Rev B Click to download
2800 Precision Plus Protein Dual Color Standards Competitive Card, Rev C Click to download
3092 Precision Plus Protein Standards Flier, Rev B Click to download
3118 Protein Standards for Electrophoresis and Blotting Brochure, Rev D Click to download [ Add to Cart (Free) ]
3144 Using Precision Plus Protein Standards to Determine Molecular Weight, Rev B Click to download
4110025 Instruction Manual, Dual Color Precision Plus Protein Standards, Rev H 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