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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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Supplier:  VWR International
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.
Product Image
Supplier:  VWR International
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.
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Supplier:  VWR
Description:   RiboReady™ Color Micro RNA Ladder is made for precise sizing of RNA molecules in denaturing acrylamide gels
MSDS SDS
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Supplier:  VWR
Description:   13 fragments ranging from 100 to 3000 bp for easy band identification.
MSDS SDS
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Catalog Number: (97063-054)

Supplier:  VWR
Description:   8 fragments ranging from 50 to 2000 bp for easy band identification
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Catalog Number: (75997-542)

Supplier:  VWR
Description:   A pre-mixture of DNA marker, loading buffer and a proprietary fluorescent DNA visualization dye that can be applied directly to the gel.
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Catalog Number: (97063-302)

Supplier:  VWR
Description:   10 fragments ranging from 50 to 500 bp for easy band identification
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Catalog Number: (97062-686)

Supplier:  VWR
Description:   10 fragments ranging from 1,503 to 48,502 bp for easy band identification
MSDS SDS
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Catalog Number: (75997-546)

Supplier:  VWR
Description:   11 fragments ranging from 500 to 10,000 bp for easy band identification
MSDS SDS
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Catalog Number: (RLMB-212-0500)

Supplier:  Rockland Immunochemical
Description:   Sapphire Prestained Protein Standard 10-180kDa
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Catalog Number: (RLMB-104-0500)

Supplier:  Rockland Immunochemical
Description:   Lambda phage consists of a virus particle including a head (also known as a capsid), a tail, and tail fibers
MSDS SDS
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Catalog Number: (RLMB-211-0500)

Supplier:  Rockland Immunochemical
Description:   Opal Prestained Protein Standard 3.5-245kDa
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Catalog Number: (10014-580)

Supplier:  Enzo Life Sciences
Description:   Ready to use DNA standards for quantifying PCR yield
MSDS SDS
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Catalog Number: (RLMB-301-0100)

Supplier:  Rockland Immunochemical
Description:   12 Epitope MBP Tag Loading Control Protein Marker
Small Business Enterprise Minority or Woman-Owned Business Enterprise
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Catalog Number: (95038-574)

Supplier:  GE Healthcare - Life Sciences
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.
MSDS SDS
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Catalog Number: (80030-996)

Supplier:  MilliporeSigma
Description:   Mixture of eight defined DNA fragments for characterizing small DNA products.
Certificate Certificates
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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.
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.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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