MD115-200 bp DNA Ladder
200 bp DNA Ladder
Cat. no. 4992802/4992803
Storage: -30~-15°C for 2 years. For frequently use, it
can be stored at 2-8°C for 3 months.
Concentration: About 0.1 mg DNA/ml

Description
200 bp DNA Ladder consists of twelve double-stranded DNA bands that are suitable as molecular weight
standards for agarose gel electrophoresis.
The product is ready-to-use; it is premixed with 1×Loading Buffer for direct loading 3~6 μl on agarose gel electrophoresis.
The ladder is composed of twelve individual DNA fragments (in base pairs): 4000, 2200, 2000, 1800, 1600,
1400, 1200, 1000, 800, 600, 400 and 200. It contains one intense band (1000 bp) for easy orientation. To load 6 μl of the product will provide 50 ng per DNA fragment with one intense fragment of 100 ng.
Buffer Contents
10 mM Tris-HCl (pH 8.4)
10 mM EDTA
0.02% Bromophenol Blue
5% Glycerol
Protocol
- Directly load 3~6 μl of the product on the agarose gel
(load 1 μl per 1 mm gel lane. The loading volume can
be increased appropriately for wide lanes). - Electrophoresis condition: 0.7~1.5% agarose gel, 4~10v/cm voltage.
- DNA marker can be visualized using ethidium bromide under UV light.
Recommendations
- Directly use, do not heat before loading.
- Please use new agarose gel and change electrophoresis
buffer in time, so as not to affect the electrophoresis
results.

MD115-200 bp DNA Ladder
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This product is for scientific research use only. Do not use in medicine, clinical treatment, food or cosmetics.
Need more info ? Contact us anytime. We’re here: Go2biotech
E-mail: maggie@go2biotech.com / morgan@go2biotech.com
Telephone:+86 755 8399 5017
