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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.

Thermo Scientific™ Nalgene™ Staining Box
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Stain, fix and handle fragile electrophoresis gels and membranes with less chance of damage than conventional methods with these staining boxes.

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) |
Invitrogen™ NuPAGE™ Bis-Tris Mini Protein Gels, 4–12%, 1.0–1.5 mm
Invitrogen NuPAGE Bis-Tris protein gels are precast polyacrylamide gels that provide broad molecular weight protein separation with high resolution and sample integrity.
Shipping Condition | Room Temperature |
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Gel Percentage | 4 to 12% |
Mode of Separation | Molecular Weight |
Separation Range | 3.5 to 260 kDa |
Gel Type | Bis-Tris |
Length (Metric) | 8 cm |
For Use With (Equipment) | Mini Gel Tank,XCell SureLock Mini-Cell |
Separation Type | Denaturing |
Storage Requirements | Store at 4–25°C. Do not freeze. |
Shelf Life | 12 Months |
Width (Metric) | 8 cm |
Gel Size | Mini |
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) |
Invitrogen™ SYBR™ Gold Nucleic Acid Gel Stain (10,000X Concentrate in DMSO)
Extremely sensitive fluorescent stain for detection of nucleic acids
Thermo Scientific™ GeneRuler 1 kb Plus DNA Ladder
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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 |
Invitrogen™ SeeBlue™ Plus2 Pre-stained Protein Standard
Allows you to easily visualize protein molecular weight ranges during electrophoresis and quickly evaluate Western transfer efficiency
Thermo Scientific™ GeneRuler 1 kb DNA Ladder
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This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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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 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 |
Invitrogen™ SimplyBlue™ SafeStain
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This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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SimplyBlue SafeStain is a ready-to-use, fast, sensitive, and safe Coomassie G-250 stain for visualizing protein bands on polyacrylamide gels and on dry PVDF membranes.
Content And Storage | SimplyBlue™ SafeStain is supplied as a 1X ready-to-use staining reagent. Store at room temperature. Guaranteed stable for 6 months when properly stored. There are no HazMat charges associated with this product. |
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Target Molecule | Protein |
Product Type | Safe Protein Stain |
Label or Dye | Coomassie |
Green Features | Less hazardous |
Shelf Life | 6 Months |
Detection Location | In-Gel Detection |
Product Line | SimplyBlue™ |
Detection Method | Colorimetric |
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 |