Protein Molecular Weight Markers
Pre-stained and labeled molecular weight marker mixes (protein MW markers) for 1D protein SDS-PAGE and 2D electrophoresis to facilitate detection and assessment of relative protein sizes in colorimetric, fluorescent and chemiluminescent methods.
No matter what your downstream method of detection happens to be, we have the protein MW marker (protein ladder) you will need visualize the protein bands in-gel or on-membrane.
Learn more:
Molecular Weight Marker Comparison and Selection Guide »
Changes in the Fermentas Proteomics Product Offering »
Protein Electrophoresis »
PageRuler* Plus Prestained Protein Ladder 10-250kDa
Thermo Scientific* PageRuler Plus Prestained Protein Ladder is a mixture of nine (9) blue-, orange- and green-stained proteins (10 to 250kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.
PageRuler* Prestained NIR Protein Ladder
The Thermo Scientific* PageRuler Prestained NIR Protein Ladder is 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.
PageRuler* Prestained Protein Ladder 10-170kDa
Thermo Scientific* PageRuler Prestained Protein Ladder is a mixture of ten (10) blue-, orange- and green-stained proteins (10 to 170kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.
PageRuler* Unstained Broad Range Protein Ladder
Thermo Scientific* PageRuler Unstained Broad Range Protein Ladder is a mixture of 11 proteins (5kDa to 250kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.
PageRuler* Unstained High Range Protein Ladder
The Thermo Scientific* PageRuler Unstained High Range Protein Ladder is a mixture of 8 unstained proteins (60 to 250kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.
PageRuler* Unstained Low Range Protein Ladder
Thermo Scientific* PageRuler Unstained Low Range Protein Ladder is a mixture of seven (7) purified proteins and peptides (3.4 to 100kDa) for use as size standards in peptide and small protein gel electrophoresis.
PageRuler* Unstained Protein Ladder
Thermo Scientific* Unstained Protein Molecular Weight Marker is a mixture of seven native proteins (14.4kDa to 116kDa) for use as size standards in protein electrophoresis (SDS-PAGE).
Pierce* Prestained Protein Molecular Weight Marker
Thermo Scientific* Prestained Protein Molecular Weight Marker is a mixture of six blue-stained natural proteins (20 to 120kDa) for use as size standards in protein electrophoresis (SDS-PAGE).
Pierce* Unstained Protein Molecular Weight Marker
Thermo Scientific* Unstained Protein Molecular Weight Marker is a mixture of seven native proteins (14.4kDa to 116kDa) for use as size standards in protein electrophoresis (SDS-PAGE).
Spectra* Multicolor Broad Range Protein Ladder
Thermo Scientific* Spectra Multicolor Broad Range Protein Ladder is a 4-color protein standard containing 10 prestained proteins (10 to 260kDa) for use as size standards in gel electrophoresis and Western blotting.
