β-D -Glucan from barley ≥95% (HPLC) Sigma G6513
Application β-D-Glucan is a biomarker for the fungal infection, candidiasis. In a clinical study β-D-glucan levels was found to have poβible usefulneβ in prediction of patient outcomes. 1 ..
β-D -Glucose 1-phosphate bis(cyclohexylammonium) salt Sigma G7920
Biochem/physiol Actions β-D-Glucose 1-phosphate is a substrate for β-phosphoglucomutase, which converts it to β-glucose 6-phosphate by forming β-glucose 1,6-diphosphate as an intermediate.1,2 β-..
β-Acetyl-γ-O-alkyl-L -α-phosphatidylcholine from bovine heart lecithin ≥99%, lyophilized powder Sigma P7568
Biochem/physiol Actions Phospholipid produced by lymphocytes, platelets and endothelial cells that induces platelet aggregation and is involved in inflammation, anaphylaxis and wound repair. ..
β-Acetyl-γ-O-hexadecyl-L -α-phosphatidylcholine hydrate ≥98% Sigma P4904
Biochem/physiol Actions Extracellular signaling lipid; ligand for G protein-coupled platelet activating factor (PAF) receptors. Induces inflammation by increasing vascular permeability; activates MAP kinase (MAPK) and M..
β-Acetyl-γ-O-octadecyl-L -α-phosphatidylcholine ≥98% Sigma P6537
Biochem/physiol Actions 18-carbon analog of platelet activating factor (PAF); ligand for G protein-coupled PAF receptor. It is less potent than PAF C-16 for inducing platelet aggregation, hypotension, bronchosconstricti..
β-Actin GFP Sigma IPSC1030
General description iPS cell line derived with OSKM retrovirus. Lines have been evaluated for exogenounes gene silencing and concomitant expression of corresponding endogenous genes. ..
β-Amanitin from Amanita phalloides ~90% (HPLC) Sigma A1304
Biochem/physiol Actions Toxic constituent of the mushroom, Amanita phalloides, inhibits eukaryotic RNA polymerase II and III, but not RNA polymerase I or bacterial RNA polymerase. Inhibits mammalian protein synthesis. ..
β-Amanitin–poly-L -lysine bound ≥85% Sigma A8100
Caution Highly toxic Preparation Note Supplied as 0.1 mg β-Amanitin bound to 0.5 mg poly-L-lysine HCL (25,000 ave. mol. wt)..
β-Amylase from sweet potato Sigma A8781
Packaging 1 vial in glass bottle Application β-Amylase is a gel filtration molecular weight marker that can be used in gel ..
β-Amylase from sweet potato Type I-B, ammonium sulfate suspension, ≥750 units/mg protein (E1%/280 ) Sigma A7005
General description Sigma Life Science is committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for waste preventio..
