S7025
50 bp DNA Step Ladder
for DNA electrophoresis
Synonyme(s) :
DNA Ladder, Step Ladder, 50 bp, 17 Fragments, 50-3000 bp
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A propos de cet article
NACRES:
NA.25
UNSPSC Code:
41105335
Service technique
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form
liquid
usage
100 uses
suitability
suitable for electrophoresis (DNA)
storage temp.
−20°C
General description
Sigma′s 50 bp DNA Step Ladder contains 17 blunt-ended fragments consisting of 50 bp repeats from 50 to 500 bp, 100 bp repeats from 600 to 900 bp, and 1 kb repeats from 1 to 3 kb. For NA electrophoresis, 10 μl of the marker should be diluted in gel loading buffer and then loaded in a single lane on an agarose or polyacrylamide gel. Suitable for Northern and Southern blotting.
Application
Suitable for size determination of PCR-generated DNA fragments with either agarose or polyacrylamide gels.
Other Notes
Contains blunt-ended fragments of DNA, 50-500 bp by 50, 600-900 bp by 100, and 1000-3000 bp by 1000 (17 bands).
For optimal resolution, the recommended agarose gel concentration is 2.0%.
Sigma′s 50 bp DNA Step Ladder is provided in a solution of 10 mM Tris-HCl (pH 7.5), 10 mM NaCl, and 1 mM EDTA.
Classe de stockage
12 - Non Combustible Liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Articles
Markers for gel electrophoresis aid size determination of DNA, PCR fragments, and RNA, staining well with common nucleic acid stains.
Choose the appropriate markers and ladders for nucleic acid size determination of samples separated by electrophoresis. Determine size of DNA, RNA and PCR-generated fragments using agarose or polyacrylamide gels.
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Numéro d'article de commerce international
| Référence | GTIN |
|---|---|
| S7025-50UG | 04061835574025 |