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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-76620-560

VWR® DNA Ladders

Description: DNA ladders are supplied in a loading buffer that is ready to use on agarose and polyacrylamide DNA gels. The ladders are suitable with TBE, TAE, SB and LB electrophoresis systems.
Catalog Number: 76620-560
Supplier: VWR International
Product Image-76620-566

VWR® DNA Ladders

Description: DNA ladders are supplied in a loading buffer that is ready to use on agarose and polyacrylamide DNA gels. The ladders are suitable with TBE, TAE, SB and LB electrophoresis systems.
Catalog Number: 76620-566
Supplier: VWR International
Image Unavailable-75997-542

VWR® AMRESCO EZ-Vision® DNA Ladder 1 kb

Description: A pre-mixture of DNA marker, loading buffer and a proprietary fluorescent DNA visualization dye that can be applied directly to the gel.
Catalog Number: 75997-542
Supplier: VWR

SDS Certificates


Product Image-97063-054

VWR® PCR DNA Marker

Description: 8 fragments ranging from 50 to 2000 bp for easy band identification
Catalog Number: 97063-054
Supplier: VWR

SDS Certificates


Product Image-89239-530

VWR® RiboReady™ Color RNA Ladders

Description: RiboReady™ Color Micro RNA Ladder is made for precise sizing of RNA molecules in denaturing acrylamide gels
Catalog Number: 89239-530
Supplier: VWR

SDS Certificates UL Listed


Product Image-97063-488

VWR® DNA Molecular Weight Markers, 100 bp Ladder

Description: 13 fragments ranging from 100 to 3000 bp for easy band identification.
Catalog Number: 97063-488
Supplier: VWR

SDS Certificates Environmentally Preferable


Product Image-470175-930

Lambda Markers

Description: These DNA markers are used to determine size of unknown DNA fragments. If using within 2–3 days, they do not need to be refrigerated and can be stored right on a shelf. If storing for longer time periods, freezing is recommended. <BR><BR>Ship date is required.
Catalog Number: 470175-930
Supplier: VWR
Product Image-97063-302

VWR® Ready Ladder™ 50 bp DNA Marker

Description: 10 fragments ranging from 50 to 500 bp for easy band identification
Catalog Number: 97063-302
Supplier: VWR

SDS Certificates


Product Image-75997-546

VWR® DNA Molecular Weight Markers, 1 kb Ladder

Description: 11 fragments ranging from 500 to 10,000 bp for easy band identification
Catalog Number: 75997-546
Supplier: VWR

SDS Certificates


Product Image-97062-686

VWR® DNA Molecular Weight Marker, High Range

Description: 10 fragments ranging from 1,503 to 48,502 bp for easy band identification
Catalog Number: 97062-686
Supplier: VWR

SDS Certificates


Image Unavailable-RLMB-301-0100

12 Epitope MBP Tag Protein Marker Lysate, Rockland Immunochemicals

Description: 12 Epitope MBP Tag Loading Control Protein Marker
Catalog Number: RLMB-301-0100
Supplier: Rockland Immunochemical

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Product Image-95038-574

Amersham ECL DualVue Western Blotting Markers, Cytiva

Description: Amersham™ ECL™ DualVue™ Western blotting markers perform two key functions. Firstly, the prestained marker proteins confirm protein transfer in addition to clearly defining blot orientation. Secondly, the recombinant tagged proteins are detected on film or by CCD imaging in conjunction with the target protein(s) of interest, enabling highly accurate molecular mass determination of the target protein(s). The tagged markers are detected easily and specifically by means of a specific conjugate that eliminates any cross contamination between target protein(s) and markers.
Catalog Number: 95038-574
Supplier: GE Healthcare - Life Sciences

SDS Certificates Product available on GSA Advantage®


Image Unavailable-RLMB-104-0500

DNA (Lambda Phage) E.coli W8850 (lambda C1857S7), Rockland Immunochemicals

Description: Lambda phage consists of a virus particle including a head (also known as a capsid), a tail, and tail fibers
Catalog Number: RLMB-104-0500
Supplier: Rockland Immunochemical

SDS Small Business Enterprise Minority or Woman-Owned Business Enterprise


Image Unavailable-RLMB-211-0500

Opal Prestained Protein Standard 3.5 to 245 kDa, Rockland Immunochemicals

Description: Opal Prestained Protein Standard 3.5-245kDa
Catalog Number: RLMB-211-0500
Supplier: Rockland Immunochemical
Image Unavailable-RLMB-212-0500

Sapphire Prestained Protein Standard 10 to 180 kDa, Rockland Immunochemicals

Description: Sapphire Prestained Protein Standard 10-180kDa
Catalog Number: RLMB-212-0500
Supplier: Rockland Immunochemical
Image Unavailable-10014-580

AMPIGENE® DNA Ladder 100 to 10000 bp, Enzo Life Sciences

Description: Ready to use DNA standards for quantifying PCR yield
Catalog Number: 10014-580
Supplier: Enzo Life Sciences

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