
Thermo Scientific™ Owl™ Gel Staining Box
Stain, fix and de-stain in the same container with Thermo Scientific™ Owl™ Gel Staining Boxes, offering a convenient, conventional staining method.

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 |
Cytiva pI Markers
Run these markers in parallel with the experimental samples on isoelectric focusing gels. Cytiva Life Sciences™ pI Markers are lyophilized mixtures of stable, salt-free, highly purified proteins.

Form | Lyophilized |
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Product Type | pl Marker Kit |
Color | White |
Quantity | 1 Kit: 10 Vials |
Storage Requirements | 4°C |
Shelf Life | 2 Years |
For Use With (Application) | To be used for isoelectric focusing (IEF) |
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.

Form | Solid |
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Product Type | Protein and Peptide Molecular Weight Markers |
Quantity | 10 Vials |
Storage Requirements | Unopened vials should be stored at 4°C |
Shelf Life | 2 Years |
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.
Shipping Condition | Approved for shipment on Wet or Dry Ice |
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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) |
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 |
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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) |
Thermo Scientific™ GeneRuler 1 kb Plus DNA Ladder
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
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Perform sizing and approximate quantification of a wide range of double-stranded DNA on agarose gels.
Gel Type | Agarose |
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Product Type | DNA Ladder |
Ready to Load | No |
Label or Dye | Xylene Cyanol FF, Bromophenol Blue, Orange G |
Green Features | Sustainable packaging |
Concentration | 6X |
Size Range | 75 to 20000 bp |
Gel Compatibility | Agarose Gels |
Product Line | GeneRuler |
Thermo Scientific™ GeneRuler 1 kb DNA Ladder
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Perform sizing and approximate quantification of a wide range of double-stranded DNA on agarose gels with this mixture of chromatography-purified individual DNA fragments.
Gel Type | Agarose |
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Product Type | DNA Ladder |
Ready to Load | No |
Label or Dye | Xylene Cyanol FF, Bromophenol Blue, Orange G |
Green Features | Sustainable packaging |
Concentration | 6X |
Size Range | 250 to 10000 bp |
Gel Compatibility | Agarose Gels |
Product Line | GeneRuler |
Thermo Scientific™ PageBlue™ Protein Staining Solution
A sensitive formulation of colloidal coomassie G-250 dye for endpoint staining of proteins in polyacrylamide gels and on PVDF membranes without methanol or acetic acid.
Thermo Scientific™ Pierce™ Silver Stain Kit
Stain proteins in 1D and 2D gels with this rapid, ultra-sensitive and versatile silver stain system that yields consistent and reliable results.
Target Molecule | Protein |
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Product Type | Stain Kit |
Label or Dye | Silver |
Detection Location | In-Gel Detection |
Product Line | Pierce™ |
Detection Method | Colorimetric |
Thermo Scientific™ GeneRuler 1 kb Plus DNA Ladder, ready-to-use
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Perform sizing and approximate quantification of a wide range of double-stranded DNA on agarose gels.
Gel Type | Agarose |
---|---|
Product Type | DNA Ladder |
Ready to Load | Yes |
Label or Dye | Xylene Cyanol FF, Bromophenol Blue, Orange G |
Green Features | Sustainable packaging |
Concentration | 6X |
Size Range | 75 to 20000 bp |
Gel Compatibility | Agarose Gels |
Product Line | GeneRuler |
Agarose (Low-EEO/Multi-Purpose/Molecular Biology Grade), Fisher BioReagents™
CAS: 9012-36-6 Molecular Formula: C12H18O9
CAS | 9012-36-6 |
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Molecular Formula | C12H18O9 |
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.
Shipping Condition | Approved for shipment on Wet or Dry Ice |
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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) |
Thermo Scientific™ GeneRuler 1 kb DNA Ladder, ready-to-use
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Perform sizing and approximate quantification of a wide range of double-stranded DNA on agarose gels.
Gel Type | Agarose |
---|---|
Product Type | DNA Ladder |
Ready to Load | Yes |
Label or Dye | Xylene Cyanol FF, Bromophenol Blue, Orange G |
Green Features | Sustainable packaging |
Shelf Life | 6 Months |
Concentration | 6X |
Size Range | 250 to 10000 bp |
Gel Compatibility | Agarose Gels |
Product Line | GeneRuler |
Thermo Scientific™ GeneRuler 100 bp DNA Ladder
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Perform sizing and approximate quantification of a wide range of double-stranded DNA on agarose or polyacrylamide gels.
Gel Type | Agarose |
---|---|
Product Type | DNA Ladder |
Ready to Load | No |
Label or Dye | Xylene Cyanol FF, Bromophenol Blue, Orange G |
Green Features | Sustainable packaging |
Concentration | 6X |
Size Range | 100 to 1000 bp |
Gel Compatibility | Agarose Gels |
Product Line | GeneRuler |