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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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For Use With (Equipment) 
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For Use With (Equipment)

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Gel Percentage

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Gel Size

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Separation Range

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Wells

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Format

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31 – 45 of 2,098 results
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Promotions Available

Invitrogen™ NativeMark™ Unstained Protein Standard

Ready-to-use protein standard designed for molecular weight estimation of proteins using native gel electrophoresis

ENCOMPASS_PREFERRED
32

Invitrogen™ HiMark™ Unstained Protein Standard

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

ENCOMPASS_PREFERRED
33
Promotions Available

Invitrogen™ BenchMark™ His-tagged Protein Standard

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

ENCOMPASS_PREFERRED
34

Invitrogen™ Protein Molecular Weight Standards (broad range)

Include 11 proteins from 6500 to 205,000 daltons

ENCOMPASS_PREFERRED
35

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.

ENCOMPASS_PREFERRED
Stain Type Fluorescent
36

MP Biomedicals™ Fluorescent Protein Marker

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

37

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
38

Novus Biologicals™ Recombinant Unstained Protein Ladder (14-98 kDa)
SDP

Recombinant Protein

39

Novus Biologicals™ IRIS11 Prestained Protein Ladder
SDP

Prestained Protein Ladder

40

MilliporeSigma™ Novagen™ Perfect Protein™ HRP Western Blot Kit

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

41

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.

42

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

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

ENCOMPASS_PREFERRED
43

Invitrogen™ NuPAGE™ Large Protein Blotting Kit

Specifically designed for large protein analysis on NuPAGE Novex Tris-Acetate Gels under denaturing conditions

ENCOMPASS_PREFERRED
44

Thermo Scientific™ PageRuler™ Unstained High Range Protein Ladder

A mixture of 8 unstained proteins (60 to 250kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.

45

Cytiva Amersham™ ECL™ DualVue Western Blotting Markers

Detect proteins on gel and membrane as well as on film