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Molecular Weight Markers


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Molecular Weight Markers

Molecular-weight size markers are a set of standards used to identify the approximate size of a molecule run on a gel during electrophoresis, using the principle that molecular weight is inversely proportional to migration rate through a gel matrix. The molecular weight markers offered are ideal for verification of PCR products, for size analysis of digested DNA, and easy band identification of a number of different fragments. Certain models are available pre-mixed with loading dye.


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Catalog Number: (76004-498)

Supplier:  BioVision
Description:   1 kb DNA Ladder.
Supplier:  Thermo Scientific Chemicals
Description:   DNA ladders are used in gel electrophoresis to determine the size and quantity of testing DNA fragments of genomic, plasmid, and PCR DNA.
MSDS SDS

Supplier:  Thermo Scientific Chemicals
Description:   DNA Molecular Weight Marker 1 Kb Ladder (500-10000 bp)
MSDS SDS
Catalog Number: (PAG3191)

Supplier:  Promega Corporation
Description:   RNA Markers consist of a ladder of 9 RNA transcripts synthesized in vitro from specific templates. Sizes: 281, 623, 955, 1,383, 1,908, 2,604, 3,638, 4...

Supplier:  Edvotek
Description:   Lyophilized for convenient storage. For 20 gels.
Catalog Number: (PAD1531)

Supplier:  Promega Corporation
Description:   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 nic...

Supplier:  New England Biolabs (NEB)
Description:   The MspI digest of pBR322 DNA yields 26 fragments
Small Business Enterprise
Catalog Number: (PAG5711)

Supplier:  Promega Corporation
Description:   13 blunt-end fragments from 250bp to 10,000bp.
Supplier:  New England Biolabs (NEB)
Description:   A number of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 12 bands suitable for use as molecular weigh...
MSDS SDS
Small Business Enterprise
Supplier:  New England Biolabs (NEB)
Description:   The HindIII digest of lambda DNA (cI857ind1 Sam 7) yields 8 fragments suitable for use as molecular weight standards for agarose gel electrophoresis
Small Business Enterprise

Supplier:  Promega Corporation
Description:   100-1,500bp in 100bp increments up to 1kb with an additional band at 1.5kb; 11 bands. Can be stored at room temperature. Contains dye marker, ready to...

Supplier:  New England Biolabs (NEB)
Description:   TriDye™ 2-Log 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...
Small Business Enterprise
Catalog Number: (PAG1741)

Supplier:  Promega Corporation
Description:   Fifteen phenol-extracted, ethanol-precipitated DNA fragments ranging in size from 36bp to 2,645bp. These markers are generated from separate digests o...
Catalog Number: (101418-106)

Supplier:  New England Biolabs (NEB)
Description:   The microRNA Marker is a set of three synthetic single-stranded RNA oligonucleotides 17, 21 and 25 residues long that have free 5´ ends (i.e., no 5´ p...
Small Business Enterprise
Catalog Number: (PAG4471)

Supplier:  Promega Corporation
Description:   Ten blunt-ended DNA fragments ranging from 10bp to 100bp in exactly 10bp increments
Supplier:  G-Biosciences
Description:   DNAmark™ 1kb Plus contains 15 DNA bands ranging from 100bp to 10Kb
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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The original product is no longer available. The replacement shown is available.
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