Our R&D group recommends that after reconstitution, the solutions should be divided into aliquots and immediately frozen; avoid repeated freeze / thaw cycles. The aliquots should last at least a year at -20°C. Storage at -80°C would even be better, if it is convenient.
SDS7B2
Prestained Molecular Weight Marker
mol wt 26,600-180,000 Da
Synonym(s):
protein markers, protein molecular weight markers, protein standards
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About This Item
NACRES:
NA.25
UNSPSC Code:
41105337
Storage temp.:
2-8°C
Pricing and availability is not currently available.
General description
Contains a lyophilized mixture of seven prestained proteins, molecular weight range 26,600-180,000 Da.
Preparation Note
Reconstitute vial with 0.5 mL of 8 M urea and 0.5 mL of 2× sample buffer.
Other Notes
Unstained protein molecular weights in Da -
Triosphosphate Isomerase from Rabbit Muscle: 26,600
Fumarase from Porcine Heart: 48,500
Pyruvate kinase from Rabbit Muscle: 58,000
Lactic dehydrogenase from Rabbit Muscle: 36,500
Lactoferrin from Human Milk: 90,000
β-Galactosidase from E. coli: 116,000
α2-Marcroglobulin from equine serum: 180,000 (subunit)
Triosphosphate Isomerase from Rabbit Muscle: 26,600
Fumarase from Porcine Heart: 48,500
Pyruvate kinase from Rabbit Muscle: 58,000
Lactic dehydrogenase from Rabbit Muscle: 36,500
Lactoferrin from Human Milk: 90,000
β-Galactosidase from E. coli: 116,000
α2-Marcroglobulin from equine serum: 180,000 (subunit)
Disclaimer
Covalent attachment to dye will result in change in apparent molecular weight
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This Item | |||
|---|---|---|---|
| Quality Level 200, 400 | Quality Level 200 | Quality Level 100, 200 | Quality Level 100, 200 |
| storage temp. 2-8°C | storage temp. −20°C | storage temp. −20°C | storage temp. −20°C |
| mol wt 26,600-180,000 Da | mol wt 6,500-180,000 Da | mol wt - | mol wt - |
Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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Hazard Classifications
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The data sheets for Products SDS7B2 and B2787 do not provide a specific recommendation on how long the solutions of these molecular weight marker mixtures can be kept frozen at -20°C. What information can you provide?
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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