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Nucleic Acid Molecular Weight Markers

Individual or ladder series of specific length molecular weight markers for use as approximate sizing standards in nucleic acid electrophoresis; available preformulated in loading buffer, prestained, unstained, and customized.
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3

Applied Biosystems™ 25-bp DNA Ladder

Designed for the sizing of double-stranded DNA in the range of 25 to 2,500 bp

4

Promega ΦX174, RF DNA  DFS Item

phiX174 replicative form (RF) is a double-stranded circular DNA molecule of 5,386 bases. Used in assays of restriction enzymes for the presence of nickase activity.

5

Thermo Scientific™ pBR322 DNA/BsuRI (HaeIII) Marker
GREENER_CHOICE

Perform sizing and approximate quantification of small double-stranded DNA fragments in agarose and non-denaturing polyacrylamide gels.

6

Thermo Scientific™ GeneRuler 1 kb DNA Ladder
GREENER_CHOICE

Perform sizing and approximate quantification of a wide range of double-stranded DNA on agarose gels with this mixture of chromatography-purified individual DNA fragments.

Gel Type Agarose
Product Type DNA Ladder
Ready to Load No
Label or Dye Xylene Cyanol FF, Bromophenol Blue, Orange G
Concentration 6X
Size Range 250 to 10000 bp
Gel Compatibility Agarose Gels
Product Line GeneRuler
7

Thermo Scientific™ NoLimits 20000 bp DNA Fragment
GREENER_CHOICE

Optimize applications where a custom DNA size standard is required with NoLimits, a collection of 36 chromatography-purified individual DNA fragments ranging from 10 -20,000bp.

10

Invitrogen™ Low DNA Mass Ladder  DFS Item
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Suitable for estimating the mass (quantity) of unknown DNA samples by ethidium bromide staining

12

Invitrogen™ Millennium™ RNA Markers-Formamide  DFS Item

For accurate size determination of single-stranded RNA transcripts from 0.5 to 9kb and can be used in any Northern protocol

13
Promotions Available

Invitrogen™ TrackIt™ 100 bp DNA Ladder  DFS Item
GREENER_CHOICE

Invitrogen TrackIt 100 bp DNA Ladder is ready to use and designed for sizing and approximate quantification of double-stranded DNA in the range of 100 bp to 2,000 bp.

14
Promotions Available

Invitrogen™ E-Gel™ 1 Kb Plus DNA Ladder  DFS Item
GREENER_CHOICE

Powerful tool for estimating molecular weight of linear, double-stranded DNA fragments

15

Invitrogen™ E-Gel™ 1 Kb Plus Express DNA Ladder  DFS Item
GREENER_CHOICE

Ready-to use DNA Ladder for use with routine throughput precast E-Gel™ agarose gels.