Supplied in a stabilizing solution of 1X Blue/Orange Loading Dye, the BenchTop Markers offer the convenience of room-temperature storage and direct loading onto agarose gels.
DNA Step Ladders
Ladders of defined sizes with exact incremental steps between bands. Step Ladders with 10, 25, 50, 100, 200, or 1,000 base pair increments are available.
Broad Range Protein Molecular Weight Markers contain nine bands of 10, 15, 25, 35, 50, 75, 100, 150 and 225kDa. For reference, the 50kDa band is at greater intensity.
The PCR Markers (50-1,000bp), 100bp DNA Ladder (100-1,000bp) and 1Kb DNA Ladder (250-10,000bp) offer defined size markers with higher intensity bands for convenient sizing.
This article describes how size markers are used to calculate the length of amplified fragments, confirm reproducibility and provide information on lane-to-lane variation in electrophoretic migration.
This article gives guidelines on the percent agarose used to resolve DNA of various sizes.
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