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You Searched For: 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.

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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Product Image-102500-150

QUICK-LOAD® DNA Ladder, 1 kb Extend, New England Biolabs

Catalog Number: (102500-150)
Supplier: New England Biolabs (NEB)
Description: The Quick-Load 1 kb Extend DNA ladder is a pre-mixed, ready-to-load molecular weight DNA marker containing bromophenol blue dye as a tracking dye

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Product Image-470180-828

Promega DNA

Catalog Number: (470180-828)
Supplier: Promega Corporation
Description: Promega DNA<BR>These high quality DNA Markers were created by digesting specified DNA to completion with one or more restriction enzymes, complete with heat inactivation. The recommended loading for each is 1μl per lane. Used for DNA electrophoresis labs. Note: Perishable. Store frozen. Shipped next day air on ice. A ship date is required.<BR><BR>Lambda DNA<BR>Lambda DNA c1857 Sam7is isolated from infected e.coli strain W3350 and typically used as a molecular weight marker during DNA electrophoresis. Will yield typical patterns when cut with restriction enzymes. Uncut size is 48.5 kb. Note: Storage at -20°C required, ship date required. Available to U.S. customers only.<BR><BR>Lambda DNA/ HindIII Digest<BR>This high quality DNA marker is created by digesting Lambda DNA to completion with Hind III restriction enzyme, complete with heat inactivation. Great for use as a moleduclar weight marker during DNAelectrophoresis, it is supplied with 1ml Blue/Orange 6X loading dye. Recommended loading is 1 μl per well. Note: Storage at -20°C required, ship date required. Available to U.S. customer only.

Certificates


Product Image-470334-112

SmartCheck DNA Ladders

Supplier: Ward's
Description: SmartCheck ladders are available in three size ranges (50 bp, 100 bp and 1 kb) to cover most common applications.

Product Image-PAG7511

BenchTop PhiX174 DNA/HaeIII Markers, 250 µl, Promega

Catalog Number: (PAG7511)
Supplier: Promega Corporation
Description: 72-1,353bp; 11 bands. Can be stored at room temperature. Contains dye marker, ready to load.

Certificates


Product Image-PAG1731

Lambda DNA/EcoRI + HindIII Markers, 100 µg, Promega

Catalog Number: (PAG1731)
Supplier: Promega Corporation
Description: Created by digesting lambda DNA to completion with EcoRI and HindIII to generate 13 fragments of 125-21,226bp.

Certificates


Product Image-PAG2101

100 bp DNA Ladder, 250 µl, Promega

Catalog Number: (PAG2101)
Supplier: Promega Corporation
Description: 11 fragments from 100bp to 1,000bp in 100bp increments and includes an additional 1.5kb band

Certificates


Product Image-PAG3191

RNA Markers, 50 µl, Promega

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, 4,981 and 6,583 bases.

Certificates


Product Image-101228-508

TRIDYE™ DNA Ladder, 1 kb, New England Biolabs

Catalog Number: (101228-508)
Supplier: New England Biolabs (NEB)
Description: TriDye™ 1 kb 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

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Product Image-76221-772

Peacock™ Prestained Protein Markers, Biotium

Supplier: Biotium
Description: A visible three-color protein marker for SDS-PAGE or western blotting, with 10 bands ranging from 10 to 180 kDa.

Product Image-101449-370

QUICK-LOAD® DNA Ladder, 100 bp, New England Biolabs

Supplier: New England Biolabs (NEB)
Description: Quick-Load® 100 bp DNA Ladder is a pre-mixed, ready-to-load molecular weight marker containing bromophenol blue as a tracking dye

Small Business Enterprise

Image Unavailable-AAJ63178-S0

DNA Marker, High Range, 1000 bp, Thermo Scientific

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.

SDS Certificates

Product Image-101641-050

Fast DNA Ladder, New England Biolabs

Catalog Number: (101641-050)
Supplier: New England Biolabs (NEB)
Description: The Fast DNA ladder is a pre-mixed, ready-to-load molecular weight marker containing xylene cyanol FF dye as a tracking dye

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Product Image-101228-484

DNA Ladder, 1 kb Plus, New England Biolabs

Supplier: New England Biolabs (NEB)
Description: A number of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 19 bands suitable for use as molecular weight standards for agarose gel electrophoresis

SDS Certificates Small Business Enterprise

Product Image-101418-106

microRNA Marker, New England Biolabs

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´ phosphate groups)

Small Business Enterprise


Product Image-101227-138

QUICK-LOAD® DNA Ladder, 2-log, New England Biolabs

Catalog Number: (101227-138)
Supplier: New England Biolabs (NEB)
Description: Quick-Load® 2-Log DNA Ladder is a pre-mixed, ready-to-load molecular weight marker containing bromophenol blue as a tracking dye

Small Business Enterprise


Product Image-89233-910

DNAmark™ DNA Plus Ladders, G-Biosciences

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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