Protein Molecular Weight Markers
Invitrogen™ MagicMark™ XP Western Protein Standard
Specifically designed for easy and convenient protein molecular weight estimation directly on Western blots
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™ iBright Prestained Protein Ladder
For visualization and protein sizing during Electrophoresis and confirmation of Western blot detection.
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.
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™ BenchMark™ His-tagged Protein Standard
Used as a positive control and for molecular weight sizing in his-tagged fusion protein detection
Invitrogen™ Mark12™ Unstained Standard
Allows the closest estimation of molecular weight of your sample protein over a wide molecular weight range.
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).
Invitrogen™ HiMark™ Unstained Protein Standard
Designed for analysis of high molecular weight proteins on Novex™ NuPAGE™ Tris-Acetate Gels
Invitrogen™ Protein Molecular Weight Standards (broad range)
Include 11 proteins from 6500 to 205,000 daltons
MP Biomedicals™ Fluorescent Protein Marker
Obtain accurate molecular weight protein standards. Skip gel staining steps and estimate protein molecular weight using UV.
Invitrogen™ NuPAGE™ Large Protein Blotting Kit
Specifically designed for large protein analysis on NuPAGE Novex Tris-Acetate Gels under denaturing conditions
Novus Biologicals™ Blu10 Prestained Protein Ladder
Prestained Protein Ladder
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.
MilliporeSigma™ Novagen™ Perfect Protein™ Markers, 10-225 kd
Designed for routine use in SDS-polyacrylamide gel electrophoresis, the Perfect Protein Markers enable highly accurate size determination of unknown samples.