Collection: Protein Ladders

Protein ladders are molecular weight markers and protein size markers consisting of a set of proteins with known molecular weights that are used as reference standards in protein electrophoresis experiments. These ladders are critical in estimating the molecular weights of unknown proteins, verifying the separation of proteins, and assessing the performance of the electrophoresis apparatus. The key differentiating characteristics of protein ladders include:

1. Diverse molecular weights

2. Stable formulations

3. Visible bands

4. Pre-stained or unstained

Find the best protein ladder for your research below:

9 products
  • Pristine™ Pre-stained Protein Ladders (8-195 kDa)
    Regular price
    from $59.00 USD
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    from $59.00 USD
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  • GB-Ruler™ Unstained Protein Ruler
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    from $47.00 USD
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    from $47.00 USD
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  • ProteinRuler® IV (30-200 kDa)
    Regular price
    from $31.00 USD
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    from $31.00 USD
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  • Blue Plus® Protein Marker (14-100 kDa)
    Regular price
    from $31.00 USD
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    from $31.00 USD
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  • Blue Plus® II Protein Marker (14-120 kDa)
    Regular price
    from $34.00 USD
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    from $34.00 USD
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  • Blue Plus® IV Protein Marker (10-180 kDa)
    Regular price
    from $68.00 USD
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    from $68.00 USD
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  • Blue Plus® V Protein Marker (10-190 kDa)
    Regular price
    from $61.00 USD
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    from $61.00 USD
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  • EasySee® Western Marker (25-90 kDa)
    Regular price
    from $68.00 USD
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    from $68.00 USD
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  • EasySee® II Western Marker (30-150 kDa)
    Regular price
    from $85.00 USD
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    from $85.00 USD
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