Protein Molecular Weight Markers

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.

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

Thermo Scientific™ Spectra Multicolor Low Range Protein Ladder is a mixture of six (6) proteins and synthetic peptides (1.7 to 40kDa) for use as size standards for peptides and small proteins in gel electrophoresis and Western blotting.

Thermo Scientific™ 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.

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.

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.

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...

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,...

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).

BenchMark Pre-Stained Protein Ladder contains 10 proteins ranging in apparent molecular weight from 6 to 180 kDa for use in monitoring electrophoresis or transfer from gel to membrane in western blotting.

Novex Sharp Unstained Protein Standard is designed for accurate and convenient molecular weight estimation of proteins during SDS-PAGE and western blotting. The standard consists of a wide range of molecular weight bands consisting of 12 proteins in the range of 3.5–260 kDa.

IEF Marker 3-10 is a ready-to-use protein marker consisting of 13 purified isoforms for the use in IEF applications. The marker works well on all horizontal and vertical one-dimensional IEF gels and can be used in both native and denaturing conditions.

MagicMark XP Western Protein Standard consists of nine recombinant proteins (20–220 kDa), each of which contains an IgG binding site. The IgG binding site binds the primary or secondary antibody used for detection of the target protein, allowing direct visualization of the standard on the western...

Thermo Scientific™ SuperSignal Molecular Weight Protein Ladders (20 to 150KDa) are a ready-to-use mix of recombinant proteins with IgG-binding sites that provide reliable and proportional band intensities in stained gels and immunoblots developed wi

BenchMark His-tagged Protein Standard is designed as a positive control and for molecular weight sizing in his-tagged fusion protein detection. Each of the ten standard proteins (10-160 kDa) contains a 6X His-tag, enabling the detection of standard proteins with the InVision™ His-tag In-gel Stain...