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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 58 results
1

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.

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

Invitrogen™ HiMark™ Pre-stained Protein Standard

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

Promotions are available
EDGE
3

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)
4

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.

5

Invitrogen™ SeeBlue™ Plus2 Pre-stained Protein Standard

Allows you to easily visualize protein molecular weight ranges during electrophoresis and quickly evaluate Western transfer efficiency

Promotions are available
6

Invitrogen™ NativeMark™ Unstained Protein Standard

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

Promotions are available
EDGE
7

Invitrogen™ Novex™ Sharp Pre-stained Protein Standard

Designed for accurate, easy, and convenient molecular weight estimation of a wide range of molecular weight proteins during SDS-PAGE and Western blotting

Promotions are available
EDGE
8

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)
9

Invitrogen™ Mark12™ Unstained Standard

Allows the closest estimation of molecular weight of your sample protein over a wide molecular weight range

Promotions are available
EDGE
10

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)
11

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™
12

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).

Promotions are available
EDGE
13

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™
14

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
15

Invitrogen™ MagicMark™ XP Western Protein Standard

Specifically designed for easy and convenient protein molecular weight estimation directly on Western blots

Promotions are available
EDGE
Shipping Condition Dry Ice
Number of Markers 9
Molecular Weight (g/mol) 220, 120, 100, 80, 60, 50, 40, 30, 20 kDa
Ready to Load Yes
Stain Type Unstained
System Type Western Blotting, SDS-PAGE
Size Range 20 to 220 kDa
Product Line MagicMark™
Detection Method User defined detection system