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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: (77461-672)

Supplier:  AAT BIOQUEST INC
Description:   The Geliteâ„¢ 100 bp DNA Ladder is designed for sizing and estimating the mass of double-stranded DNA and PCR products within the 100 to 1500 bp range on agarose or polyacrylamide gels.
Supplier:  AAT BIOQUEST INC
Description:   ReadiUseâ„¢ 1 kb Plus DNA ladder is a ready-to-use DNA ladder, which is pre-mixed with loading dye for direct gel loading.

Supplier:  New England Biolabs (NEB)
Description:   Quick-load Purple 50 bp DNA Ladder is a pre-mixed, ready-to-load molecular weight marker containing one tracking dye.
Small Business Enterprise

Supplier:  Genetex
Description:   The Trident Prestained Protein Ladder is for in vitro laboratory use only.

Supplier:  Promega Corporation
Description:   250-10,000bp; 13 bands. Can be stored at room temperature. Contains dye marker, ready to load.

Supplier:  New England Biolabs (NEB)
Description:   The Mono Cut Mix is a mixture of intact lambda DNA and lambda DNA separately digested with ApaI, KpnI, XbaI and XhoI
Small Business Enterprise
Supplier:  New England Biolabs (NEB)
Description:   The HaeIII digest of ΦX174 yields 11 fragments suitable for use as molecular weight standards for agarose gel electrophoresis
Small Business Enterprise
Supplier:  New England Biolabs (NEB)
Description:   A number of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 17 bands suitable for use as molecular weight standards for agarose and polyacrylamide gel electrophoresis
Small Business Enterprise
Supplier:  Li-Cor
Description:   WesternSure® chemiluminescent protein ladder is the only pre-stained, multi-colored protein ladder that provides film and digital detection.
Supplier:  Li-Cor
Description:   These Pre-stained Protein Ladder provides multi-colored, pre-stained bands for visual inspection and two-color near-infrared detection
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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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