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R&D Systems™ Recombinant Human LIF Protein

Product Code. 18319707
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Quantity:
100 μg
25 μg
500 μg
Formulation:
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Lyophilized from a 0.2 μm filtered solution in PBS.
Unit Size:
100µg
25µg
500µg
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Product Code. Quantity Formulation unitSize
18319707 25 μg Lyophilized from a 0.2 μm filtered solution in PBS. 25µg
18147750 25 μg Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein. 25µg
18187980 100 μg Lyophilized from a 0.2 μm filtered solution in PBS. 100µg
18147550 100 μg Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein. 100µg
18736118 500 μg Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein. 500µg
18708317 500 μg Lyophilized from a 0.2 μm filtered solution in PBS. 500µg
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Product Code. 18319707 Supplier R&D Systems™ Supplier No. 7734LF025/CF

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265.64 GBP valid until 2026-03-31
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This item is not returnable. View return policy

Description

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED50 for this effect is 0.02-0.12 ng/mL.
TRUSTED_SUSTAINABILITY

Specifications

Accession Number P15018
For Use With (Application) Bioactivity
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Gene ID (Entrez) 3976
Molecular Weight (g/mol) M.W. (Observed): 19 kDa, reducing conditions; M.W. (theoretical): 19.6 kDa
Name LIF
Quantity 25 μg
Source E. coli-derived human LIF protein Pro24-Phe202
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
Endotoxin Concentration <0.01 EU / 1 μg of the protein by the LAL method.
Gene Alias CDF, D factor, DIA, differentiation inhibitory activity, differentiation stimulating factor, Differentiation-stimulating factor, Emfilermin, HILDA, HILDAcholinergic differentiation factor, leukemia inhibitory factor, leukemia inhibitory factor (cholinergic differentiation factor), Melanoma-derived LPL inhibitor, MLPLI
Gene Symbol LIF
Conjugate Unconjugated
Recombinant Recombinant
Reconstitution Reconstitute at 100 μg/mL in PBS.
Purity or Quality Grade >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Protein LIF
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