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1 – 15 of 3,933 results
1

Tocris Bioscience™ Bovine Serum Albumin

Blocking buffer for IHC, ICC, ELISA and Western blotting; used to block non-specific antibody binding

2

R&D Systems™ Recombinant Human EGF Protein

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

Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. (Observed): 6 kDa, reducing conditions; M.W. (theoretical): 6 kDa
Gene Symbol EGF
Endotoxin Concentration <0.10 EU / 1 μg of the protein by the LAL method.
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.
For Use With (Application) Bioactivity
Protein EGF
Source E. coli-derived human EGF protein Asn971-Arg1023, with an N-terminal Met
Name EGF
Accession Number P01133
Gene ID (Entrez) 1950
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 500 μg/mL in sterile PBS.
Recombinant Recombinant
3

R&D Systems™ Recombinant Human Sortilin Protein

Extensive quality control produces lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Binding Activity

4

R&D Systems™ Recombinant Mouse Leptin Protein

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

Purity or Quality Grade 97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Molecular Weight (g/mol) 16 kDa
Gene ID (Entrez) 16846
Formulation Lyophilized from a 0.2μm filtered solution in Tris-HCl and NaCl.
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source E. coli-derived mouse Leptin/OB protein Val22-Cys167,with an N-terminal Met
Recombinant Recombinant
Name Leptin/OB
5

R&D Systems™ Cultrex Poly-L-Ornithine Solution

R&D Systems™ Cultrex™ Poly-L-Ornithine Solution is a highly positively charged amino acid chain, which is generally used as a coating reagent to promote cell adhesion in culture.

6

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF (145 aa) Protein

Measured in a cell proliferation assay using NR6R-3T3 mouse fibroblast cells.

Purity or Quality Grade >95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. (theoretical): 16 kDa
Gene Symbol FGF2
Endotoxin Concentration <0.01 EU / 1 μg of the protein by the LAL method.
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.
For Use With (Application) Bioactivity
Protein FGF basic/FGF2/bFGF
Source E. coli-derived human FGF basic/FGF2/bFGF protein Ala144-Ser288
Accession Number NP_001997
Gene ID (Entrez) 2247
Formulation Lyophilized from a 0.2 μm filtered solution in Tris-HCl and NaCl.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Species Human
7

R&D Systems™ Recombinant Human GDF-15 (E. coli-expressed) Protein

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

8

R&D Systems™ Recombinant Human IL-4 Protein

Carrier Free Recombinant Protein

Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. (Observed): 13 kDa, under reducing conditions., M.W. (Theoretical): 15.1 kDa
Endotoxin Concentration <0.10 EU per 1μg of the protein by the LAL method.
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after reconstitution. 3 months, -20 to -70 °C under sterile conditions after reconstitution.
For Use With (Application) Bioactivity
Protein IL-4
Source E. coli-derived human IL-4 protein His25-Ser153, with an N-terminal Met
Accession Number P05112.1
Gene Alias B cell growth factor 1, BCDF, B-cell stimulatory factor 1, BCGF1, BCGF-1, binetrakin, BSF1, BSF-1, IL4, IL-4B_cell stimulatory factor 1, IL4E12, interleukin 4, interleukin-4, Lymphocyte stimulatory factor 1, MGC79402, Pitrakinra
Gene ID (Entrez) 3565
Formulation Lyophilized from a 0.2μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute the 10μg size at 100μg/mL in PBS. Reconstitute all other sizes at 500μg/mL in PBS.
Species Human
9

R&D Systems™ Recombinant Human PD-L1/B7-H1 Fc Chimera Protein

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

11

R&D Systems™ Recombinant Human IL-6 Protein

A New rh IL-6 is Available! The new protein has ∼2 fold better activity and is HEK293 expressed!

Purity or Quality Grade >97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. theroretical: 20.9 kDa
Gene Symbol IL6
Endotoxin Concentration <0.10 EU / 1 μg of the protein by the LAL method.
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.
For Use With (Application) Bioactivity
Protein IL-6
Source E. coli-derived human IL-6 protein Pro29-Met212
Name IL-6
Accession Number Q75MH2
Gene Alias B-cell differentiation factor, B-cell stimulatory factor 2, BSF2, BSF-2, CDF, CTL differentiation factor, HSF, hybridoma growth factor, IFNB2, IFN-beta-2, IL6, IL-6, Interferon beta-2, interleukin 6 (interferon, beta 2), interleukin BSF-2, interleukin-6, MGI-2A
Gene ID (Entrez) 3569
Formulation Lyophilized from a 0.2 μm filtered solution in PBS and NaCl.
Recombinant Recombinant
12

R&D Systems™ Recombinant Human NRG1-beta 1/HRG1-beta 1 EGF Domain Protein

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

Purity or Quality Grade 97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Molecular Weight (g/mol) 8 kDa
Gene ID (Entrez) 3084
Quantity 50 μg
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source E. coli-derived human Neuregulin-1 beta 1/NRG1 beta 1 protein Thr176-Lys246
Recombinant Recombinant
Name Neuregulin-1 beta 1/NRG1 beta 1 EGF Domain
13

R&D Systems™ Recombinant Human IL-13 Protein

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

Conjugate Unconjugated
Molecular Weight (g/mol) 12.3 kDa
Gene ID (Entrez) 3596
14

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF (146 aa) Protein

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