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Markers & Ladders

NEB’s selection of DNA, RNA and protein markers and ladders combines high quality with exceptional value. DNA, RNA and protein markers are available in a range of sizes and in convenient unstained or prestained formats.

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Markers & Ladders
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Blue Prestained Protein Standard, Broad Range (11-250 kDa)

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Color Prestained Protein Standard, Broad Range (10-250 kDa)

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Unstained Protein Standard, Broad Range (10-200 kDa)

DNA Markers & Ladders

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1 kb DNA Ladder

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1 kb Plus DNA Ladder

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1 kb Plus DNA Ladder for Safe Stains

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100 bp DNA Ladder

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50 bp DNA Ladder

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Fast DNA Ladder

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Lambda PFG Ladder

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Low Molecular Weight DNA Ladder

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MidRange PFG Marker

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pBR322 DNA-BstNI Digest

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pBR322 DNA-MspI Digest

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PCR Marker

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Quick-Load® 1 kb DNA Ladder

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Quick-Load® 1 kb Extend DNA Ladder

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Quick-Load® 1 kb Plus DNA Ladder

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Quick-Load® 100 bp DNA Ladder

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Quick-Load® Purple 1 kb DNA Ladder

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Quick-Load® Purple 1 kb Plus DNA Ladder

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Quick-Load® Purple 100 bp DNA Ladder

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Quick-Load® Purple 50 bp DNA Ladder

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Quick-Load® Purple Low Molecular Weight DNA Ladder

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Supercoiled DNA Ladder

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TriDye™ 1 kb DNA Ladder

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TriDye™ 1 kb Plus DNA Ladder

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TriDye™ 100 bp DNA Ladder

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TriDye™ Ultra Low Range DNA Ladder

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λ DNA-BstEII Digest

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λ DNA-HindIII Digest

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λ DNA-Mono Cut Mix

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ΦX174 DNA-Hae III Digest

Protein Standards

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Blue Prestained Protein Standard, Broad Range (11-250 kDa)

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Blue Protein Loading Dye

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Color Prestained Protein Standard, Broad Range (10-250 kDa)

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Unstained Protein Standard, Broad Range (10-200 kDa)

Quick-Load Purple DNA Ladders

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Gel Loading Dye, Purple (6X)

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Gel Loading Dye, Purple (6X), no SDS

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Quick-Load® Purple 1 kb DNA Ladder

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Quick-Load® Purple 1 kb Plus DNA Ladder

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Quick-Load® Purple 100 bp DNA Ladder

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Quick-Load® Purple 50 bp DNA Ladder

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Quick-Load® Purple Low Molecular Weight DNA Ladder

RNA Markers & Ladders

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dsRNA Ladder

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Low Range ssRNA Ladder

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microRNA Marker

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RNA Loading Dye, (2X)

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ssRNA Ladder

Gel Loading Buffers

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Blue Protein Loading Dye

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Gel Loading Dye, Blue (6X)

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Gel Loading Dye, Orange (6X)

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Gel Loading Dye, Purple (6X)

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Gel Loading Dye, Purple (6X), no SDS

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RNA Loading Dye, (2X)

DNA Markers & Ladders
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1 kb DNA Ladder

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1 kb Plus DNA Ladder

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1 kb Plus DNA Ladder for Safe Stains

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100 bp DNA Ladder

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50 bp DNA Ladder

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Fast DNA Ladder

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Lambda PFG Ladder

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Low Molecular Weight DNA Ladder

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MidRange PFG Marker

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pBR322 DNA-BstNI Digest

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pBR322 DNA-MspI Digest

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PCR Marker

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Quick-Load® 1 kb DNA Ladder

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Quick-Load® 1 kb Extend DNA Ladder

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Quick-Load® 1 kb Plus DNA Ladder

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Quick-Load® 100 bp DNA Ladder

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Quick-Load® Purple 1 kb DNA Ladder

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Quick-Load® Purple 1 kb Plus DNA Ladder

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Quick-Load® Purple 100 bp DNA Ladder

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Quick-Load® Purple 50 bp DNA Ladder

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Quick-Load® Purple Low Molecular Weight DNA Ladder

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Supercoiled DNA Ladder

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TriDye™ 1 kb DNA Ladder

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TriDye™ 1 kb Plus DNA Ladder

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TriDye™ 100 bp DNA Ladder

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TriDye™ Ultra Low Range DNA Ladder

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λ DNA-BstEII Digest

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λ DNA-HindIII Digest

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λ DNA-Mono Cut Mix

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ΦX174 DNA-Hae III Digest

Protein Standards
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Blue Prestained Protein Standard, Broad Range (11-250 kDa)

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Blue Protein Loading Dye

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Color Prestained Protein Standard, Broad Range (10-250 kDa)

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Unstained Protein Standard, Broad Range (10-200 kDa)

Quick-Load Purple DNA Ladders
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Gel Loading Dye, Purple (6X)

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Gel Loading Dye, Purple (6X), no SDS

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Quick-Load® Purple 1 kb DNA Ladder

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Quick-Load® Purple 1 kb Plus DNA Ladder

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Quick-Load® Purple 100 bp DNA Ladder

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Quick-Load® Purple 50 bp DNA Ladder

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Quick-Load® Purple Low Molecular Weight DNA Ladder

RNA Markers & Ladders
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dsRNA Ladder

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Low Range ssRNA Ladder

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microRNA Marker

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RNA Loading Dye, (2X)

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ssRNA Ladder

Gel Loading Buffers
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Blue Protein Loading Dye

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Gel Loading Dye, Blue (6X)

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Gel Loading Dye, Orange (6X)

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Gel Loading Dye, Purple (6X)

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Gel Loading Dye, Purple (6X), no SDS

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RNA Loading Dye, (2X)