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Merck

D3937

DirectLoad 1 kb DNA Ladder

ready-to-use marker for DNA electrophoresis

Synonym(s):

1 kb marker, 1kb gel marker, DNA marker, agarose gel electrophoresis marker

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About This Item

NACRES:
NA.25
UNSPSC Code:
41105335
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Quality Level

form

liquid

usage

100 uses

suitability

suitable for electrophoresis (DNA)

storage temp.

−20°C

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

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%.
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.

Legal Information

DirectLoad is a trademark of Sigma-Aldrich Co. LLC


Storage Class

12 - Non Combustible Liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable



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Aron M Geurts et al.
Methods in molecular biology (Clifton, N.J.), 597, 211-225 (2009-12-17)
The genetic dissection of physiological and pathological traits in laboratory model organisms is accelerated by the ability to engineer loss-of-function mutations at investigator-specified loci. This chapter describes the use of zinc-finger nucleases (ZFNs) for the targeted disruption of endogenous rat



Global Trade Item Number

SKUGTIN
D3937-1VL04061835572588