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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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1 – 15 of 28 results
1
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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.

EDGE
Description Rainbow molecular weight markers enhanced to enable faster and simpler identification of proteins on SDS-polyacrylamide gels.
Product Type Protein Molecular Weight Marker
Form Liquid
Color Multi
Sufficient For 50 Minigels or 25 large gels
Quantity 250 μL
Storage Requirements -15 to -30°C
Shelf Life 24 Months
2
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Cytiva Protein and Peptide Molecular Weight Markers

Run these markers to determine the molecular weight of uncharacterized protein samples with precision. Cytiva Life Sciences™ Protein and Peptide Molecular Weight Markers work by comparing unknowns with carefully selected standards.

EDGE
Form Solid
Quantity 10 Vials
Storage Requirements Unopened vials should be stored at 4°C
Shelf Life 2 Years
3
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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.

Stain Type Fluorescent
4

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.

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
5
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Invitrogen™ Protein Molecular Weight Standards (broad range)

Include 11 proteins from 6500 to 205,000 daltons

6
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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.

7
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Fisher BioReagents™ EZ-Run™ Prestained Rec Protein Ladder, Fisher BioReagents

Comprised of 10 recombinant proteins covalently coupled to a blue chromophore plus 10 and 72kDa reference bands tagged with green and orange dyes, respectively

EDGE
Product Type Protein Molecular Weight Marker
Form Liquid
Formulation Supplied in gel-loading buffer
Color Blue
Storage Requirements −20°C
Range 10-170 kDa
For Use With (Application) Monitoring protein separation during SDS-PAGE
8
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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).

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9

Invitrogen™ iBright Prestained Protein Ladder

For visualization and protein sizing during Electrophoresis and confirmation of Western blot detection.

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

Thermo Scientific™ PageRuler Plus Prestained Protein Ladder is a mixture of nine (9) blue-, orange- and green-stained proteins (10 to 250 kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.

EDGE
Shipping Condition Approved for shipment on Wet or Dry Ice
Number of Markers 9
Product Type Protein Ladder
Molecular Weight (g/mol) 250, 130, 100, 70, 55, 35, 25, 15, 10 kDa
Ready to Load Yes
Stain Type Blue, Orange, Green
Size Range 10 to 250 kDa
Gel Compatibility Bolt™ Bis-Tris Plus Gels, Novex™ Tricine Gels, Novex™ Tris-Glycine Gels, NuPAGE™ Bis-Tris Gels, NuPAGE™ Tris-Acetate Gels, SDS-PAGE Gels
Product Line PageRuler
Detection Method Colorimetric, NIR Fluorescence (700 nm), RGB Fluorescence (555 nm)
11
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Thermo Scientific™ Pierce™ Prestained Protein MW Marker

Thermo Scientific Prestained Protein Molecular Weight Marker is a mixture of six blue-stained natural proteins (20 to 120 kDa) for use as size standards in protein electrophoresis (SDS-PAGE).

Content And Storage Storage Buffer: 62.5 mM Tris · H3PO4 (pH 7.5 at 25°C), 1 mM EDTA, 2% (w/v) SDS, 1 mM DTT, 1.5 mM NaN3 and 33% (v/v) glycerol.

Upon receipt store at -20°C. Product is shipped with an ice pack.
Number of Markers 6
Product Type Protein Molecular Weight (MW) Marker
Molecular Weight (g/mol) 120, 85, 50, 35, 25, 20 kDa
Ready to Load Yes
Color Blue
Size Range 20 to 120 kDa
Product Line Pierce
Detection Method Colorimetric
12

Cytiva Amersham™ ECL™ DualVue Western Blotting Markers

Detect proteins on gel and membrane as well as on film

13

Cytiva Amersham™ ECL™ Plex Fluorescent Rainbow Markers

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
14
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Thermo Scientific™ PageRuler™ Prestained Protein Ladder, 10 to 180 kDa

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.

Shipping Condition Approved for shipment on Wet or Dry Ice
Number of Markers 10
Product Type Protein Ladder
Molecular Weight (g/mol) 180, 130, 100, 70, 55, 40, 35, 25, 15, 10 kDa
Ready to Load Yes
Stain Type Blue, Orange, Green
Size Range 10 to 180 kDa
Gel Compatibility Bolt™ Bis-Tris Plus Gels, Novex™ Tricine Gels, Novex™ Tris-Glycine Gels, NuPAGE™ Bis-Tris Gels, NuPAGE™ Tris-Acetate Gels, SDS-PAGE Gels
Product Line PageRuler
Detection Method Colorimetric, NIR Fluorescence (700 nm), RGB Fluorescence (555 nm)
15
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Invitrogen™ HiMark™ Unstained Protein Standard

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