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Protein Molecular Weight Markers

Individual or ladder series of specific mass (kilodalton, kDa) markers for use as approximate sizing standards in protein gel electrophoresis (especially SDS-PAGE); available preformulated in loading buffer, prestained, and unstained.
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31 – 45 of 1,588 results
31

Invitrogen™ HiMark™ Unstained Protein Standard

Designed for analysis of high molecular weight proteins on Novex™ NuPAGE™ Tris-Acetate Gels

EDGE ENCOMPASS_PREFERRED
32

Invitrogen™ BenchMark™ Fluorescent Protein Standard

Consists of fluorescent dye-conjugated proteins, ranging in size from approx. 11-155kDa

EDGE ENCOMPASS_PREFERRED
33

Thermo Scientific™ SuperSignal™ Molecular Weight Protein Ladder

Ready-to-use mix of recombinant proteins (20 to 150K) with IgG-binding sites for chemiluminescent, fluorescent, chromogenic or other detection methods.

EDGE
34

Invitrogen™ BenchMark™ His-tagged Protein Standard

Used as a positive control and for molecular weight sizing in his-tagged fusion protein detection

EDGE ENCOMPASS_PREFERRED
35

Thermo Scientific™ SuperSignal™ Enhanced Molecular Weight Protein Ladder

Ready-to-use mix of recombinant proteins (20 to 150K) with IgG-binding sites for chemiluminescent, fluorescent, chromogenic or other detection methods.

EDGE ENCOMPASS_PREFERRED
Number of Markers 8
Product Type Protein Ladder
Molecular Weight (g/mol) 150, 100, 80, 60, 50, 40, 30, 20 kDa
Ready to Load Yes
Stain Type Unstained
Size Range 20 to 150 kDa
Product Line SuperSignal
Detection Method User defined detection system
36

Invitrogen™ PeppermintStick™ Phosphoprotein Molecular Weight Standards

PeppermintStick Phosphoprotein Molecular Weight Standards are a mixture of phosphorylated and nonphosphorylated proteins ranging from 14.4 to 116 kDa.

EDGE ENCOMPASS_PREFERRED
Stain Type Fluorescent
37

Invitrogen™ BenchMark™ Pre-stained Protein Ladder

Standard used to monitor electrophoresis or electrophoretic transfer from gel to membrane in Western blots

EDGE ENCOMPASS_PREFERRED
38

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.

EDGE ENCOMPASS_PREFERRED
Number of Markers 10
Product Type Protein Ladder
Molecular Weight (g/mol) 250, 130, 95, 70, 55, 43, 34, 26, 15, 11 kDa
Ready to Load Yes
Color Blue
Size Range 11 to 250 kDa
Product Line PageRuler
Detection Method Colorimetric, NIR Fluorescence (700 nm)
39

Invitrogen™ Protein Molecular Weight Standards (broad range)

Include 11 proteins from 6500 to 205,000 daltons

EDGE ENCOMPASS_PREFERRED
40

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

Designed for use with pre-cast E-PAGE™ Electrophoresis System

ENCOMPASS_PREFERRED
41
Promotions Available

Cytiva Amersham™ ECL Plex™ Western Blotting Combination Packs

Complete system optimized for fluorescent Western blotting

Product Type Western Blot Kit
Storage Requirements Varies by component
For Use With (Application) ECL Plex western blotting system
42
Promotions Available

Cytiva Amersham™ ECL™ Plex Fluorescent Rainbow Markers
GSA_VA

Optimized for use with the ECL Plex Western Blotting Detection System. Amersham™ ECL™ Plex Fluorescent Rainbow Markers are ideal for quantitative western blot.

Description These fluorescent rainbow markers are for use with the ECL Plex Western blotting detection system.
Product Type Protein Molecular Weight Marker
Formulation Supplied in 35% Glycerol and sample buffer containing Mercaptoethanesulphonic Acid (MESNA) as reducing agent
Color Multi
Storage Requirements -20°C
Shelf Life 3 Months
For Use With (Application) For quantitative western blots
43

MilliporeSigma™ Novagen™ Perfect Protein™ HRP Western Blot Kit

Detect markers by adding S-protein or His·Tag™ Monoclonal Antibody.

44

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.

45

MP Biomedicals™ Fluorescent Protein Marker

Obtain accurate molecular weight protein standards. Skip gel staining steps and estimate protein molecular weight using UV.