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

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

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

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

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

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

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.

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

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

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

Allows you to easily monitor the progress of your gel run and is an excellent tool for judging Western transfer efficiency

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

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

Molecular weight standard for SDS-PAGE

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

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

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

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

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

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.

Ready-to-use mix of recombinant proteins (20 to 150K) with IgG-binding sites for chemiluminescent, fluorescent, chromogenic or other detection methods.

Run these markers in parallel with the experimental samples on isoelectric focusing gels. Cytiva Life Sciences™ pI Markers are lyophilized mixtures of stable, salt-free, highly purified proteins.

Ready-to-use protein marker especially developed for IEF applications

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.

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

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.

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

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

Run these markers to determine the molecular weight of uncharacterized protein samples with precision. Cytiva Life Sciences™ Protein and Peptide Molecular Weight Markers work by comparing unknowns with carefully selected standards.

Detect proteins on gel and membrane as well as on film