Thermo Fisher Scientific Products

The SeeBlue Plus2 Pre-Stained Standard allows you to easily visualize protein molecular weight ranges during electrophoresis and quickly evaluate Western transfer efficiency. Read more...

PageRuler Plus Prestained Protein Ladder is a mixture of nine (9) blue-, orange- and green-stained proteins for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting. Read more...

The MagicMark XP Western Protein Standard is specifically designed for easy and convenient protein molecular weight estimation directly on Western blots. Read more...

The Novex Sharp Pre-Stained Protein Standard is designed for accurate, easy, and convenient molecular weight estimation of a wide range of molecular weight proteins during SDS-PAGE and Western blotting. Read more...

The HiMark Pre-Stained Protein Standard is designed for analysis of high molecular weight proteins on NuPAGE Tris-Acetate gels. Read more...

Spectra Multicolor Broad Range Protein Ladder is a 4-color protein standard containing 10 prestained proteins (10 to 260kDa) for use in gel electrophoresis and Western blotting. Read more...

The Mark12 Unstained Standard allows the closest estimation of molecular weight of your sample protein over a wide molecular weight range. Read more...

The NativeMark Unstained Protein Standard is a ready-to-use protein standard designed for molecular weight estimation of proteins using native gel electrophoresis. Read more...

Spectra Multicolor High Range Protein Ladder is a mixture of eight (8) blue-, green-and orange-stained proteins (40 to 300kDa) for use as size standards for high-MW proteins in gel electrophoresis and Western blotting. Read more...