Protein Molecular Weight Markers
Protein Molecular Weight Markers
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Filtered Search Results
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.
Description | Rainbow molecular weight markers enhanced to enable faster and simpler identification of proteins on SDS-polyacrylamide gels. |
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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 |
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.
Number of Markers | 9 |
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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 |
Product Line | PageRuler™ |
Detection Method | Colorimetric, NIR Fluorescence (700 nm), RGB Fluorescence (555 nm) |
Thermo Scientific™ PageRuler™ Prestained Protein Ladder, 10 to 180 kDa
Mixture of 10 blue-, orange- and green-stained proteins (10 to 180kDa) used as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.
Number of Markers | 10 |
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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 |
Product Line | PageRuler™ |
Detection Method | Colorimetric, NIR Fluorescence (700 nm), RGB Fluorescence (555 nm) |
Thermo Scientific™ Spectra™ Multicolor Broad Range Protein Ladder
A 4-color protein standard containing 10 prestained proteins (10 to 260kDa) for use as size standards in gel electrophoresis and Western blotting.
Number of Markers | 10 |
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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 |
Product Line | Spectra™ |
Detection Method | Colorimetric, NIR Fluorescence (700 nm), RGB Fluorescence (555 nm) |
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).
Number of Markers | 14 |
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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™ |
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).
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.
Number of Markers | 11 |
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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™ |
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.
Thermo Scientific™ Pierce™ Prestained Protein MW Marker
A mixture of six blue-stained natural proteins (20 to 120kDa) for use as size standards in protein electrophoresis (SDS-PAGE).
Number of Markers | 6 |
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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 |
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 |
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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 |
Thermo Scientific™ PageRuler™ Unstained Low Range Protein Ladder
A mixture of 8 purified proteins and peptides (3.4 to 100kDa) for use as size standards in peptide and small protein gel electrophoresis.
Number of Markers | 8 |
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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 |
Size Range | 3.4 to 100 kDa |
Product Line | PageRuler™ |
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.
Number of Markers | 10 |
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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) |
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.
Number of Markers | 8 |
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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) |
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.
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.