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Our prestained protein ladders and standards allow for easy identification and monitoring of your proteins during electrophoresis. These prestained ladders are available in low, broad, and high molecular weight ranges, and provide sharp bands for ease of visualization. Additionally, our multi-color ladders provide unambiguous reference points for identifying bands corresponding to their molecular weights, even if some bands are run off the bottom of the gel.

Each protein ladder or standard has its own advantages. The table and information below offers help in select the appropriate protein ladder for your application.

Find the right prestained protein standard

PageRuler Prestained Protein Ladder PageRuler Plus Prestained Protein Ladder Spectra Multicolor Broad Range Protein Ladder Spectra Multicolor High Range Protein Ladder HiMark™ Pre-Stained Protein Standard
Range Low MW range Broad MW range Multi-color broad MW range  Multi-color high MW range  High MW range
No. of bands 10 bands 9 bands 10 bands 8 bands 9 bands
No. of colors 3 colors 3 colors 4 colors 4 colors 2 colors
MW range (kDa) 10–180 kDa 10–250 kDa 10–260 kDa 40–300 kDa 30–460 kDa
Gel compatibility All gels All gels All gels All gels Bis-Tris,
Tris-Glycine,
Tris-Acetate
Shelf life 1 year at –20°C 1 year at –20°C 1 year at –20°C 1 year at –20°C 8 months at
–20°C
Catalog # 26616,
26617
26619,
26620
26634,
26623
26625 LC5699
Product size 2 x 250 µL,
10 x 250 µL
2 x 250 µL,
10 x 250 µL
2 x 250 µL,
10 x 250 µL
2 x 250 µL 250 µL
No. of rxns 100, 500 100, 500 50, 250 50 25
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