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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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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.
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Catalog Number: (470175-934)

Description:   Completely digested; yields 11 fragments; used as DNA marker.
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Catalog Number: (470180-822)

Description:   Ready to use, this DNA marker does not require preparation or refrigeration — it can be used effectively at room temperature. For additional convenience, the marker is supplied in blue/orange loading dye, so you can tract migration during electrophoresis. Load 6 ÎĽL per well. Total quantity: 300 ÎĽL.
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Catalog Number: (470180-830)

Description:   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 1 {mu lower case}l per lane. <B><i>Note: Perishable. Store frozen. Shipped next-day air on ice.</i></B><BR><BR>Supplied with 1 mL 6X blue/orange loading dye. 50ug (1ÎĽg/ÎĽL).
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Catalog Number: (470180-832)

Description:   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 1 {mu lower case}l per lane. <B><i>Note: Perishable. Store frozen. Shipped next-day air on ice.</i></B><BR><BR>Supplied with 1 ml 6X blue/orange loading dye. 100ÎĽg (0.5ÎĽg/ÎĽL).
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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 1ÎĽl 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 ÎĽl per well. Note: Storage at -20°C required, ship date required. Available to U.S. customer only.
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Description:   SmartCheck ladders are available in three size ranges (50 bp, 100 bp and 1 kb) to cover most common applications.
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Catalog Number: (470120-924)

Description:   Lyophilized for convenient storage. For 20 gels.
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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 1-800-962-2660.
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 1-800-962-2660.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-962-2660 or email [email protected].
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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.
Limited quantities of this product are available. To check availability or place an order, call Customer Service at 800-962-2660 or email [email protected].
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