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Protein Molecular Weight Markers

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

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.

Promotions are available
EDGE
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 3 colors: 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)
2

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

Mixture of 9 blue-, orange- and green-stained proteins (10 to 250kDa) used as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.

Promotions are available
3

Thermo Scientific™ PageRuler™ Unstained Protein Ladder

A mixture of seven native proteins (14.4 to 116kDa) for use as size standards in protein electrophoresis (SDS-PAGE).

Promotions are available
EDGE
Number of Markers 14
Product Type Protein Ladder
Molecular Weight (g/mol) 200, 150, 120, 100, 85, 70, 60, 50, 40, 30, 25, 20, 15, 10 kDa
Ready to Load Yes
Stain Type Unstained
Size Range 10 to 200 kDa
Product Line PageRuler™
4

Thermo Scientific™ Spectra™ Multicolor Broad Range Protein Ladder

Thermo Scientific™ Spectra Multicolor Broad Range Protein Ladder is a 4-color protein standard containing 10 prestained proteins (10 to 260 kDa) for use as size standards in gel electrophoresis and Western blotting.

Promotions are available
EDGE
Shipping Condition Approved for shipment on Wet or Dry Ice
Number of Markers 10
Product Type Protein Ladder
Molecular Weight (g/mol) 260, 140, 100, 70, 50, 40, 35, 25, 15, 10 kDa
Ready to Load Yes
Stain Type 4 colors: Blue, Orange, Green, Pink
Size Range 10 to 260 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 Spectra™
Detection Method Colorimetric, NIR Fluorescence (700 nm), RGB Fluorescence (555 nm)
5

Thermo Scientific™ PageRuler™ Unstained Broad Range Protein Ladder

A mixture of 11 proteins (5 to 250kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.

Promotions are available
EDGE
Number of Markers 11
Product Type Protein Ladder
Molecular Weight (g/mol) 250, 150, 100, 70, 50, 40, 30, 20, 15, 10, 5 kDa
Ready to Load Yes
Stain Type Unstained
Size Range 5 to 250 kDa
Product Line PageRuler™
6

Invitrogen™ BenchMark™ Protein Ladder

Molecular weight standard for SDS-PAGE

Promotions are available
EDGE
7

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.

Promotions are available
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 3 colors: 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)
8

Thermo Scientific™ Spectra™ Multicolor High Range Protein Ladder

A mixture of eight blue-, green- and orange-stained proteins (40 to 300kDa) for use as size standards for high MW proteins in gel electrophoresis and Western blotting.

Promotions are available
EDGE
Number of Markers 8
Product Type Protein Ladder
Molecular Weight (g/mol) 300, 250, 180, 130, 100, 70, 50, 40 kDa
Ready to Load Yes
Stain Type 3 colors: Blue, Orange, Green
Size Range 40 to 300 kDa
Product Line Spectra™
Detection Method Colorimetric, NIR Fluorescence (700 nm), RGB Fluorescence (555 nm)
9

Invitrogen™ iBright™ Prestained Protein Ladder

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

Promotions are available
Shipping Condition Dry Ice
Content And Storage Storage buffer: 62.5 mM Tris-H3PO4 (pH 7.5 at 25°C), 1 mM EDTA, 2% (w/v) SDS, 10 mM DTT, 1 mM NaN3 and 33% glycerol

Upon receipt, store at –20°C. Product is shipped on ice.
Number of Markers 12
Product Type Protein Ladder
Molecular Weight (g/mol) 250, 130, 95, 80, 70, 55, 43, 34, 30, 26, 15, 11 kDa
Ready to Load Yes
Stain Type 1 color: Blue
Size Range 11 to 250 kDa
Gel Compatibility Novex™ Midi Gels, Novex™ Mini Gels, Novex™Tris-Glycine Gels, NuPAGE™ Bis-Tris Gels, NuPAGE™ Gels, NuPAGE™ MES Gels, NuPAGE™ MOPS Gels, NuPAGE™ Tris-Acetate Gels, Precise™ Tris-Glycine Gels, SDS-PAGE Gels, Precise™ Tris-HEPES Gels
Product Line iBright™
10

Thermo Scientific™ Spectra™ Multicolor Low Range Protein Ladder

A mixture of six proteins and synthetic peptides (1.7 to 40kDa) for use as size standards for peptides and small proteins in gel electrophoresis and Western blotting.

Promotions are available
EDGE
11

Thermo Scientific™ PageRuler™ Unstained Low Range Protein Ladder

Thermo Scientific PageRuler Unstained Low Range Protein Ladder is a mixture of eight purified proteins and peptides (3.4 to 100 kDa) for use as size standards in peptide and small-protein gel electrophoresis.

Promotions are available
Number of Markers 8
Product Type Protein Ladder
Molecular Weight (g/mol) 100, 30, 25, 20, 15, 10, 5, 3.4 kDa
Ready to Load Yes
Stain Type Unstained
System Type SDS-PAGE
Size Range 3.4 to 100 kDa
Product Line PageRuler™
12

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.

Promotions are available
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
Stain Type 1 color: Blue
Size Range 11 to 250 kDa
Product Line PageRuler™
Detection Method Colorimetric, NIR Fluorescence (700 nm)
13

Invitrogen™ iBright Prestained Protein Ladder

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

14

Invitrogen™ BenchMark™ Pre-stained Protein Ladder

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

Promotions are available
15

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

Form Liquid
Product Type Protein Molecular Weight Marker/Ladder
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