Quality Level
form
liquid
usage
100 uses
suitability
suitable for electrophoresis (DNA)
storage temp.
−20°C
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General description
Sigma′s DirectLoad™ 1 kb Ladder contains 11 fragments consisting of 500 bp repeats from 0.5 to 3 kb, 1 kb repeats from 3 to 6 kb, and 2 kb repeats from 6 to 10 kb. For NA electrophoresis, 5 ul of the marker can be loaded directly into a single lane on an agarose or polyacrylamide gel. Suitable for use in Northern and Southern blotting.
Application
Suitable for size determination of dsDNA by DNA electrophoresis with either agarose or polyacrylamide gels.
Features and Benefits
- Ready-to-load
- Easy-to-use
- Popular band sizes
Components
Sigma′s DirectLoad™ 1kb Ladder is provided in a gel-loading solution of 2.5% Ficoll (Type 400), 0.0125% bromophenol blue, and 0.00625% xylene cyanol.
Other Notes
Contains 11 fragments consisting of 500 bp repeats from 0.5 to 3 kb, 1 kb repeats from 3 to 6 kb and 2 kb repeats from 6 to 10 kb.
For optimal resolution, the recommended agarose gel concentration is 0.75%.
Legal Information
DirectLoad is a trademark of Sigma-Aldrich Co. LLC
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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