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Thermo Scientific™ GeneRuler Express DNA Ladder

Thermo Scientific™ Fermentas GeneRuler Express DNA Ladder is designed for fast separation (in 5 to 15 min. at 23V÷cm) of double-stranded DNA fragments in agarose gels.

Supplier:  Thermo Scientific™ SM1552

Catalog No. FERSM1552



Perform fast separation (in 5 to 15 min. at 23V÷cm) of double-stranded DNA fragments in agarose gels with Thermo Scientific™ Fermentas GeneRuler™ Express DNA Ladder.

The band pattern of express ladders is not affected by the composition of electrophoresis buffer, voltage or gel percentage. The ladder is a mixture of chromatography-purified individual DNA fragments. GeneRuler Express DNA Ladder can be labeled radioactively with T4 Polynucleotide Kinase, protocol. The ladder is supplied with 6X DNA Loading Dye for sample DNA.
  • Ideal for both DNA sizing and approximate quantification
  • Ideal for fast separation under a wide range of electrophoresis conditions
  • Sharp bands
  • Bright reference bands (given in red)
  • Supplied with loading dye for sample DNA


Xylene Cyanol FF, Bromophenol Blue, Orange G
Agarose Gels
DNA Ladder
100 bp to 5000 bp
Sustainable packaging
5 x 50 μg




This product or its use is covered by at least one claim of U.S. Patent Nos. 5,834,201, 6,680,378, and/or 7,132,520 owned by Invitrogen Corporation. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product in internal research conducted by the buyer. The buyer cannot use this product or materials made by the employment of this product for Commercial Purposes. Commercial Purposes means any activity for consideration and may include, but is not limited to: (1) use of the product in manufacturing; (2) use of the product to provide a service, information, or data; (3) use of the product for therapeutic, diagnostic or prophylactic purposes; or (4) resale of the product, whether or not the product is resold for use in research. Further information on purchasing licenses under the above patents may be obtained by contacting the Business Development Department, Invitrogen Corporation, 5791 Van Allen Way, Carlsbad, CA 92008.