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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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16 – 30 of 332 results
16

Invitrogen™ HiMark™ Unstained Protein Standard

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

ENCOMPASS_PREFERRED
17

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).

EDGE ENCOMPASS_PREFERRED
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
Stain Type 1 color: Blue
Size Range 20 to 120 kDa
Product Line Pierce™
Detection Method Colorimetric
18

Invitrogen™ MagicMark™ XP Western Protein Standard

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

EDGE ENCOMPASS_PREFERRED
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
19
Promotions Available

Cytiva Rainbow™ Molecular Weight Markers
GSA_VA

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.

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
20

Invitrogen™ Protein Molecular Weight Standards (broad range)

Include 11 proteins from 6500 to 205,000 daltons

ENCOMPASS_PREFERRED
21

Novus Biologicals™ IRIS9 Plus Prestained Protein Ladder
SDP

Prestained Protein Ladder

22

Novus Biologicals™ Blu12 Prestained Protein Ladder
SDP

Prestained Protein Ladder

23

Novus Biologicals™ Blu11 Prestained Protein Ladder
SDP

Prestained Protein Ladder

24

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

Recombinant Protein

25

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/Ladder
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
26

Cytiva Amersham™ ECL™ DualVue Western Blotting Markers

Detect proteins on gel and membrane as well as on film

27

Lonza™ ProSieve™ Color Protein Markers

Visible markers for use in SDS-PAGE gels

For Use With (Application) Monitoring protein separation prior to staining and provide confirmation of protein transfer in Western blotting
28

Promega Broad Range Protein Molecular Weight Marker

10-225kDa; 9 bands; ready to load. Protein staining required for detection.

29

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.

EDGE ENCOMPASS_PREFERRED
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™
30
Promotions Available

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.

EDGE ENCOMPASS_PREFERRED
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™