ssRNA Ladder – 25 gel lanes
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New England Biolabs
The ssRNA Ladder is a set of 7 RNA molecules produced by in vitro transcription of a mixture of 7 linear DNA templates. The ladder sizes are: 9000, 7000, 5000, 3000, 2000, 1000 and 500 bases. The 3000 base fragment is at double intensity to serve as a reference band. This ladder is suitable for use as an ssRNA size standard on denaturing or native agarose gels.
Supercoiled DNA Ladder – 100 gel lanes
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New England Biolabs
The Supercoiled DNA ladder contains 9 proprietary supercoiled plasmids, ranging in size from 2 to 10 kb, that are suitable for use as supercoiled molecular weight standards for agarose electrophoresis. The 5 kb plasmid has an increased intensity to serve as a reference band.
- Recommended gel percentage range: 0.6-1%
- Optimum separation on 0.8%
- Recommended migration conditions: no more than 5V/cm (distance between electrodes), for no more than 60 minutes
Unstained Protein Standard, Broad Range (10-200 kDa)
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New England Biolabs
This product is a direct replacement of NEB# P7704 (Unstained Protein Standard, Broad Range 10-200 kDa).
The Unstained Protein Standard, Broad Range is a mixture of highly pure, recombinant proteins that resolves into 13 sharp bands from 10-200 kDa when electrophoresed and stained with Coomassie Brilliant Blue R-250 or other commercially available, ready-to-use protein stains.
– Allows accurate molecular weight determination when performing SDS-PAGE analysis.
– Direct loading, additional loading buffer and heat incubation not required
– Recombinant proteins with no detectable protease contaminating activities
– Optimal stability for up to 24 months
