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Marligen’s DNA Mass Ladder are designed for accurate estimation
of the size and quantity of double-stranded DNA fragments following
electrophoresis. The DNA Mass Ladders are conveniently supplied in
loading buffer for direct application to either TAE or TBE agarose
gels.

Figure 1 demonstrates the performance of the Broad
Range DNA Mass Ladder. The lane was loaded with 5 μL of the Broad Range
DNA Mass Ladder run on a 1% agarose gel in 1X TAE and stained with
ethidium bromide. Sharp, well-spaced bands covering a broad range of
fragment sizes from 200 bp up to 12 kb make determining both the molecular
weights and amounts of double-stranded DNA fragments simple and fast.

Figure 2 demonstrates the performance of the PCR
Mass Ladder. The lane was loaded with 5 μL of the PCR DNA Mass Ladder
run on a 1% agarose gel in 1X TAE and stained with ethidium bromine.
Sharp, well-spaced bands covering a broad range of fragment sizes from
100 bp up to 3 kb make determining both the molecular weights and amounts
of double-stranded PCR products simple and fast.
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