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TriDye™ 100 bp DNA Ladder
Catalog # Size Concentration Price Qty  
N3271S 125 gel lanes 50 μg/ml $83.00
Prices are in US dollars and valid only for US orders.
Download:Technical Bulletin|MSDS PDF


Description:
TriDye™ 100 bp DNA Ladder is a pre-mixed, ready-to-load molecular weight marker containing 3 dyes which serve as visual aids to monitor the progress of migration during agarose gel electrophoresis.

The DNA ladder consists of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 12 bands suitable for use as molecular weight standards for agarose gel electrophoresis. The digested DNA includes fragments ranging from 100-1,517 base pairs. The 500 and 1,000 base pair bands have increased intensity to serve as reference points.





TriDye During Electrophoresis: On a standard 1% agarose gel in 1X TBE, xylene cyanol FF migrates at approximately 4 kb, bromophenol blue at approximately 300 bp and the orange G at approximately 50 bp. As the percentage of agarose changes, the
migration rates of the dyes relative to migration rates of the DNA will change.






100 bp DNA Ladder visualized by ethidium bromide staining on a 1.3% TAE agarose gel. Mass values are for 0.5 µg/lane



Effective Size Range: 100 bp to 1,517 bp

Source:
The double-stranded DNA is digested to completion with appropriate restriction enzymes, phenol extracted and equilibrated to 10 mM Tris-HCl (pH 8.0) and 1 mM EDTA.

FragmentSize (bp)Mass (ng)
11,51745
21,20035
31,00095
490027
580024
670021
760018
851797
850097
940038
1030029
1120025
1210048

Concentration:
50 μg/ml

Recommended Load: 10 μl


Storage Conditions


Storage Conditions:
0.006% Xylene Cyanol FF
10 mM Tris-HCl
10 mM EDTA
10% Glycerol
0.006% Bromophenol Blue
0.06% Orange G
pH 7.9 @ 25°C

Storage Temperature:
4°C


Notes


General notes:
  1. TriDye 100 bp DNA Ladder is stable for at least 6 months at 25°C
  2. For long term storage, store at 4°C or -20°C. If stored at -20°C, mix well after thawing.
Usage notes:
  1. The TriDye 100 bp DNA Ladder was not designed for precise quantification of DNA mass but can be used for approximating the mass of DNA in comparably intense samples of similar size.
  2. We recommend loading 10 μl (1.0 μg) of TriDye 100 bp DNA Ladder per gel lane.

FAQs


  1. What are the overhangs on the DNA ladder fragments? Can I end-label them using the T4 polynucleotide kinase (PNK)? What about the Klenow fragment?
  2. Why are the DNA ladders showing up on my Southern blot? What is the sequence or composition of the ladder bands?
  3. How can I quantify the amount of DNA in each band of a marker?

References


  1. Sambrook, J., Fritsch, E.F. and Maniatis, T. (1989) Molecular Cloning: A Laboratory Manual (2nd Ed.), 10.51-10.67.


Companion Products


1 kb DNA Ladder
100 bp DNA Ladder
2-Log DNA Ladder (0.1–10.0 kb)
PCR Marker
Quick-Load® 1 kb DNA Ladder
Quick-Load® 100 bp DNA Ladder
Quick-Load® 2-Log DNA Ladder(0.1-10.0 kb)
TriDye™ 1 kb DNA Ladder
TriDye™ 2-Log DNA Ladder (0.1 - 10.0 kb)

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