A 10X Concentrated solution of Phosphate Buffered Saline with Tween® 20. The 10X Concentration is 80mM Na2HPO4, 1.5M NaCl, 20mM KH2PO4, 30mM KCl, 0.5% Tween® 20, pH 7.4. A dry format PBST is also avaialble
PBST is commonly used as a wash solution for Western blot membranes and microt..
Recombinant streptavidin from streptomyces avidinii, produced in E.coli. Lyophilized in 20mM potassium phospate, pH6.5 and available in 5, 25 and 100mg.
Biotin, a 244Da vitamin (Vitamin H) molecule, exhibits an extraordinary binding affinity for streptavidin (Ka=1015M-1). Biotin and streptavidin ..