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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-SM0383

DNA ladder, low range, MassRuler

Catalog Number: (SM0383)
Supplier: Thermo Fisher Scientific
Description: MassRuler Low Range DNA Ladder, ready to use, 80 to 1031 bp, is specially designed for accurate quantification and sizing of DNA fragments by agarose gel electrophoresis.
UOM: 1 * 1 KIT
Image Unavailable-ROCKMB-104-0500

Lambda DNA phage, E. coli W8850

Catalog Number: (ROCKMB-104-0500)
Supplier: Rockland Immunochemicals
Description: Lambda phage consists of a virus particle including a head (also known as a capsid), a tail and tail fibres. The head contains the phage's double-stranded circular DNA genome. The phage particle recognises and binds to its host <i>E.coli</i> causing DNA in the head of the phage to be ejected through the tail into the cytoplasm of the bacterial cell. Lambda phage DNA is commonly used as a DNA molecular weight marker. Digestion of the lambda phage genome with HindIII produces a set of 8 fragments consisting of 125, 560, 2000, 2300, 4300, 9400, and 23000 base pairs.
UOM: 1 * 500 µG

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Product Image-SM1821

RNA ladder, high range, RiboRuler™

Catalog Number: (SM1821)
Supplier: Thermo Fisher Scientific
Description: RiboRuler™ high range RNA ladder allows precise sizing of RNA molecules in denaturing agarose gels and Northern blotting.
UOM: 1 * 1 KIT
Product Image-SM1352

DNA ladders, GeneRuler™ and O'GeneRuler™

Supplier: Thermo Fisher Scientific
Description: Thermo Scientific™ GeneRuler™ and O'GeneRuler™ DNA ladders are mixtures of chromatography-purified individual DNA fragments. The GeneRuler™ line includes the most popular ladders, such as the 100 bp and 1 kb DNA Ladder. GeneRuler™ DNA ladders are available in two formats: Conventional (provided in TE buffer) and a ready-to-use format (premixed with 6X DNA Loading Dye which contains bromophenol blue and xylene cyanol FF). O'GeneRuler™ DNA ladders are another ready-to-use version of GeneRuler™ DNA ladders that are premixed with 6X Orange DNA Loading Dye.

Image Unavailable-ENZOENZGEN1010100

DNA ladder 100 to 1500 bp, AMPIGENE®

Catalog Number: (ENZOENZGEN1010100)
Supplier: ENZO LIFE SCIENCES
Description: AMPIGENE® DNA ladder contains DNA fragments ranging from 100 bp to 1500 bp that can be used as molecular weight standards for agarose gel electrophoresis. The bands are evenly spaced and are intensified at 500 bp and 1500 bpto serve as easily identifiable reference bands. The approximate mass of DNA in each of the bands is provided, assuming 5 µl load, for determining the approximate mass of DNA in samples with comparable intensity and sizes.
UOM: 1 * 1 SET

New Product


Image Unavailable-ENZOENZGEN1040100

DNA Ladder 100 to 10000 bp, AMPIGENE®

Catalog Number: (ENZOENZGEN1040100)
Supplier: ENZO LIFE SCIENCES
Description: AMPIGENE® DNA ladder contains DNA fragments ranging from 100 bp to 10000 bp that can be used as molecular weight standards for agarose gel electrophoresis. The bands are evenly spaced and are intensified at 500 bp, 1500 bp and 3000 bp to serve as easily identifiable reference bands. The approximate mass of DNA in each of the bands is provided, assuming 5 µl load, for determining the approximate mass of DNA in samples with comparable intensity and sizes.
UOM: 1 * 1 SET

New Product


Product Image-786-209

Apoptotic DNA ladder kit

Catalog Number: (786-209)
Supplier: G-Biosciences
Description: The Apoptotic DNA Ladder Kit contains the reagents necessary for the preparation of cellular fractions for the production of apoptosis nucleosomal DNA ladders. The kit does not require toxic phenol and DNA ladder is prepared either with or without genomic DNA.
UOM: 1 * 1 KIT
Image Unavailable-PIER26634

Multicolour protein ladder, broad range, Spectra™

Catalog Number: (PIER26634)
Supplier: Thermo Fisher Scientific
Description: The Spectra™ Multicolour Broad Range Protein Ladder is a 4-colour protein standard containing 10 prestained proteins (10 to 260 kDa) for use in gel electrophoresis and Western blotting.
UOM: 1 * 1 items
Image Unavailable-EDVO752

Prestained lyophilised protein gel markers

Catalog Number: (EDVO752)
Supplier: EDVOTEK
Description: For 20 gels.
UOM: 1 * 20 µG

SDS


Image Unavailable-31080.

DNA Ladders in TE buffer

Supplier: Biotium
Description: DNA ladders in TE buffer are used for sizing linear double-stranded DNA fragments separated by gel electrophoresis. The 1 kb DNA ladder is suitable for sizing DNA fragments from 250 bp to 10 kb, while the 100 bp DNA ladder is suitable for sizing DNA fragments from 100 bp to 1500 bp.

New Product

Product Image-AATB60071

ReadiUse™ 100 bp DNA Ladder

Supplier: AAT BIOQUEST
Description: ReadiUse™ 100 bp DNA ladder is a ready-to-use DNA ladder, which is pre-mixed with loading dye for direct gel loading.

New Product

Product Image-AATB17750

Gelite™ 50 bp DNA Ladder

Catalog Number: (AATB17750)
Supplier: AAT BIOQUEST
Description: The Gelite™ 50 bp DNA Ladder is ideal for sizing and approximating the mass of double-stranded DNA within the 50 to 1500 bp range on agarose or polyacrylamide gels.
UOM: 1 * 0,5 mL

New Product


Product Image-AATB18015

ProLite™ 5 to 245 kD Protein Ladder

Catalog Number: (AATB18015)
Supplier: AAT BIOQUEST
Description: The ProLite™ 5 to 245 kD protein ladder is a high-quality three-colour protein standard consisting of 13 prestained proteins.
UOM: 1 * 100 µl

New Product


Image Unavailable-EDVO709

Digested lambda DNA

Supplier: EDVOTEK
Description: 20 µg for 20 gels.

Product Image-LONZ50333

DNA ladders, SimplyLoad™

Supplier: LONZA
Description: Lonza SimplyLoad™ DNA ladders are ready to load directly onto the gel to maximise time and convenience. Each band has an ideal 50% G-C content for rapid, precise sizing and sharp resolution. Free from contaminating plasmid DNA so they have minimal background.

Image Unavailable-PIER26619

Protein ladders (pre-stained), PageRuler™ plus

Catalog Number: (PIER26619)
Supplier: Thermo Fisher Scientific
Description: PageRuler™ Plus pre-stained protein ladders are a mixture of nine blue-, orange- and green-stained proteins (10 to 250 kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.
UOM: 1 * 1 items

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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 on 0800 22 33 44.
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 on 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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