Molecular Weight Markers

Thermo Scientific™ PageRuler™ Prestained Protein Ladder, 10 to 180 kDa

Thermo Scientific™ PageRuler™ Prestained Protein Ladder, 10 to 180 kDa

Mixture of 10 blue-, orange- and green-stained proteins (10 to 180kDa) used as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.

Thermo Scientific™ PageRuler™ Plus Prestained Protein Ladder, 10 to 250 kDa

Thermo Scientific™ PageRuler™ Plus Prestained Protein Ladder, 10 to 250 kDa

Mixture of 9 blue-, orange- and green-stained proteins (10 to 250kDa) used as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.

Thermo Scientific™ Spectra™ Multicolor Broad Range Protein Ladder

Thermo Scientific™ Spectra™ Multicolor Broad Range Protein Ladder

A 4-color protein standard containing 10 prestained proteins (10 to 260kDa) for use as size standards in gel electrophoresis and Western blotting.

Invitrogen™ NativeMark™ Unstained Protein Standard <img src=

Invitrogen™ NativeMark™ Unstained Protein Standard DFS Item

Ready-to-use protein standard designed for molecular weight estimation of proteins using native gel electrophoresis

Promega Broad Range Protein Molecular Weight Marker <img src=

Promega Broad Range Protein Molecular Weight Marker DFS Item

10-225kDa; 9 bands; ready to load. Protein staining required for detection.

Thermo Scientific™ Spectra™ Multicolor High Range Protein Ladder

Thermo Scientific™ Spectra™ Multicolor High Range Protein Ladder

A mixture of eight blue-, green- and orange-stained proteins (40 to 300kDa) for use as size standards for high MW proteins in gel electrophoresis and Western blotting.

Invitrogen™ Novex™ Sharp Pre-stained Protein Standard <img src=

Invitrogen™ Novex™ Sharp Pre-stained Protein Standard DFS Item

Designed for accurate, easy, and convenient molecular weight estimation of a wide range of molecular weight proteins during SDS-PAGE and Western blotting

Invitrogen™ SeeBlue™ Plus2 Pre-stained Protein Standard <img src=

Invitrogen™ SeeBlue™ Plus2 Pre-stained Protein Standard DFS Item

Allows you to easily visualize protein molecular weight ranges during electrophoresis and quickly evaluate Western transfer efficiency

Fisher BioReagents™ EZ-Run™ Prestained <i>Rec</i> Protein Ladder, Fisher BioReagents

Fisher BioReagents™ EZ-Run™ Prestained Rec Protein Ladder, Fisher BioReagents

Comprised of 10 recombinant proteins covalently coupled to a blue chromophore plus 10 and 72kDa reference bands tagged with green and orange dyes, respectively

Thermo Scientific™ Pierce™ Unstained Protein MW Marker

Thermo Scientific™ Pierce™ Unstained Protein MW Marker

A mixture of seven native proteins (14.4kDa to 116kDa) for use as size standards in protein electrophoresis (SDS-PAGE).

Cytiva Rainbow™ Molecular Weight Markers

Cytiva Rainbow™ Molecular Weight Markers

Monitor progress of protein electrophoresis and assess transfer efficiency and molecular weight of blotted proteins without staining. Cytiva Life Sciences™ Rainbow™ Molecular Weight Markers use bright, distinctive colors to allow easier confirmation of transfer to blotting membranes and orientation.

Thermo Scientific™ PageRuler™ Unstained Protein Ladder

Thermo Scientific™ PageRuler™ Unstained Protein Ladder

A mixture of seven native proteins (14.4 to 116kDa) for use as size standards in protein electrophoresis (SDS-PAGE).

Invitrogen™ BenchMark™ Protein Ladder <img src=

Invitrogen™ BenchMark™ Protein Ladder DFS Item

Molecular weight standard for SDS-PAGE

Fisher BioReagents™ EZ-Run™ <i>Rec</i> Protein Ladder

Fisher BioReagents™ EZ-Run™ Rec Protein Ladder

Mixture of 14 highly purified recombinant proteins optimized for precise sizing of proteins by SDS-PAGE and Western blotting

Thermo Scientific™ Spectra™ Multicolor Low Range Protein Ladder

Thermo Scientific™ Spectra™ Multicolor Low Range Protein Ladder

A mixture of six proteins and synthetic peptides (1.7 to 40kDa) for use as size standards for peptides and small proteins in gel electrophoresis and Western blotting.

Thermo Scientific™ Pierce™ Prestained Protein MW Marker

Thermo Scientific™ Pierce™ Prestained Protein MW Marker

A mixture of six blue-stained natural proteins (20 to 120kDa) for use as size standards in protein electrophoresis (SDS-PAGE).

Invitrogen™ HiMark™ Pre-stained Protein Standard <img src=

Invitrogen™ HiMark™ Pre-stained Protein Standard DFS Item

Designed for analysis of high molecular weight proteins on NuPAGE™ Novex™ Tris-Acetate gels

Fisher BioReagents™ EZ-Run™ Protein Marker

Fisher BioReagents™ EZ-Run™ Protein Marker

Mixture of seven purified proteins optimized to produce uniform, compact bands when analyzed by SDS-PAGE and stained with Coomassie™ Blue

Invitrogen™ BenchMark™ Pre-stained Protein Ladder <img src=

Invitrogen™ BenchMark™ Pre-stained Protein Ladder DFS Item

Standard used to monitor electrophoresis or electrophoretic transfer from gel to membrane in Western blots

Fisher BioReagents™ EZ-Run™ Prestained Protein Marker

Fisher BioReagents™ EZ-Run™ Prestained Protein Marker

Ideal for monitoring protein separation during electrophoresis without staining and for verifying electroblotting of proteins onto membranes

Invitrogen™ Mark12™ Unstained Standard <img src=

Invitrogen™ Mark12™ Unstained Standard DFS Item

Allows the closest estimation of molecular weight of your sample protein over a wide molecular weight range

Invitrogen™ MagicMark™ XP Western Protein Standard <img src=

Invitrogen™ MagicMark™ XP Western Protein Standard DFS Item

Specifically designed for easy and convenient protein molecular weight estimation directly on Western blots

Thermo Scientific™ PageRuler™ Unstained Broad Range Protein Ladder

Thermo Scientific™ PageRuler™ Unstained Broad Range Protein Ladder

A mixture of 11 proteins (5 to 250kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.

Cytiva Blue Dextran 2000 Protein Standard

Cytiva Blue Dextran 2000 Protein Standard

Determine the void fraction in high-resolution gel filtration columns

Invitrogen™ Novex™ Sharp Unstained Protein Standard <img src=

Invitrogen™ Novex™ Sharp Unstained Protein Standard DFS Item

Designed for accurate, easy and convenient molecular weight estimation of a wide range of molecular weight proteins during SDS-PAGE and western blotting

Thermo Scientific™ PageRuler™ Unstained Low Range Protein Ladder

Thermo Scientific™ PageRuler™ Unstained Low Range Protein Ladder

A mixture of 8 purified proteins and peptides (3.4 to 100kDa) for use as size standards in peptide and small protein gel electrophoresis.

Invitrogen™ BenchMark™ Fluorescent Protein Standard <img src=

Invitrogen™ BenchMark™ Fluorescent Protein Standard DFS Item

Consists of fluorescent dye-conjugated proteins, ranging in size from approx. 11-155kDa

Thermo Scientific™ PageRuler™ Prestained NIR Protein Ladder

Thermo Scientific™ PageRuler™ Prestained NIR Protein Ladder

A mixture of 10 proteins (11 to 250KDa) that are blue-stained and fluor-labeled for near-IR fluorescent visualization and protein sizing following electrophoresis.

Invitrogen™ Protein Molecular Weight Standards (broad range) <img src=

Invitrogen™ Protein Molecular Weight Standards (broad range) DFS Item

Include 11 proteins from 6500 to 205,000 daltons

Invitrogen™ BenchMark™ His-tagged Protein Standard <img src=

Invitrogen™ BenchMark™ His-tagged Protein Standard DFS Item

Used as a positive control and for molecular weight sizing in his-tagged fusion protein detection

  spinner