Protein Molecular Weight Markers | Thermo Fisher Scientific

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

Thermo Scientific PageRuler Prestained Protein Ladder is a mixture of 10 blue-, orange-, and green-stained proteins (10 to 180 kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and western blotting.

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

Thermo Scientific PageRuler Plus Prestained Protein Ladder is a mixture of nine blue-, orange-, and green-stained proteins (10 to 250 kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and western blotting.

SeeBlue™ Plus2 Pre-stained Protein Standard Invitrogen™

SeeBlue Plus2 Pre-Stained Standard contains 10 proteins (4–250 kDa): 8 blue-dyed and 2 with contrasting colors, for easy and quick evaluation of electrophoresis and western transfer efficiency. The protein standard is supplied in a ready-to-use format for direct loading onto gels; no need to heat,...

Spectra™ Multicolor Broad Range Protein Ladder Thermo Scientific™

Thermo Scientific Spectra Multicolor Broad Range Protein Ladder is a 4-color (blue, orange, green, pink) protein standard containing 10 prestained proteins (10 to 260 kDa) for use in gel electrophoresis and western blotting.

HiMark™ Pre-stained Protein Standard Invitrogen™

HiMark Pre-Stained Protein Standard is designed for analysis of high molecular weight proteins and consists of nine protein bands ranging from 30–460 kDa. The protein standard is supplied in a ready-to-use format for direct loading onto gels; no need to heat, reduce, or add sample buffer prior to...

Novex™ Sharp Pre-stained Protein Standard Invitrogen™

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. The standard consists of 12 colored bands in the range of 3.

Spectra™ Multicolor Low Range Protein Ladder Thermo Scientific™

Thermo Scientific Spectra Multicolor Low Range Protein Ladder is a mixture of six proteins and synthetic peptides (1.7 to 40 kDa) for use as size standards for peptides and small proteins in gel electrophoresis and western blotting.

Pierce™ Unstained Protein MW Marker Thermo Scientific™

Thermo Scientific Unstained Protein Molecular Weight Marker is a mixture of seven native proteins (14.4 to 116 kDa) for use as size standards in protein electrophoresis (SDS-PAGE). Compare and view all other protein standards and ladders › Applications • Accurate protein sizing on SDS-polyacrylamide...

Spectra™ Multicolor High Range Protein Ladder Thermo Scientific™

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

NativeMark™ Unstained Protein Standard Invitrogen™

NativeMark Unstained Protein Standard is a ready-to-use protein standard of eight protein bands in the range of 20–1,200 kDa, designed for molecular weight estimation of proteins using native gel electrophoresis.

SuperSignal™ Molecular Weight Protein Ladder Thermo Scientific™

Thermo Scientific SuperSignal Molecular Weight Protein Ladder (20 to 150K) is a mix of eight unstained recombinant proteins with IgG-binding sites for chemiluminescent, fluorescent, chromogenic or other detection systems.

BenchMark™ Protein Ladder Invitrogen™

BenchMark Protein Ladder consists of 15 unstained recombinant proteins ranging in molecular weight from 10 to 220 kDa. The protein standard is supplied in a ready-to-use format for direct loading onto gels; no need to heat, reduce, or add sample buffer prior to use.

Mark12™ Unstained Standard Invitrogen™

Mark12 Unstained Standard consists of 12 polypeptides in the range of 2.5–200 kDa. The protein standard is supplied in a ready-to-use format for direct loading onto gels; no need to heat, reduce, or add sample buffer prior to use.

E-PAGE™ SeeBlue™ Pre-stained Standard Invitrogen™

E-PAGE SeeBlue Pre-stained Standards are designed for use with the pre-cast E-PAGE Electrophoresis System. The standards consist of three blue-dyed and two colored bands ranging in size from ∼21–261 kDa for monitoring gel and transfer runs.

NuPAGE™ Large Protein Staining Kit Invitrogen™

The HiMark™ Pre-Stained and Unstained High Molecular Weight Protein Standards are specifically designed for large protein analysis on NuPAGE™ Novex Tris-Acetate Gels under denaturing conditions. Both standards offer a time-saving load-and-go format.