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Protein Standards

NEB offers a selection of highly pure protein markers and ladders available in unstained or prestained (prestained containing two colored bands for easy identification) formats. 

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Protein Markers & Ladders
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Order Blue Loading Buffer Pack

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Order Blue Prestained Protein Standard, Broad Range (11-250 kDa)

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Order Color Prestained Protein Standard, Broad Range (10-250 kDa)

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Order Unstained Protein Standard, Broad Range (10-200 kDa)