Because its osmolality and ion concentration closely mimic that of the human body, PBS is commonly used for cell culture applications, as well as HPLC and MS.
PBST is a wash buffer and diluent for ELISA. The 1X PBS solution contains 137mN NaCl, 2.7mM KCl and 10mM phosphate.
PBST is supplemented with 0.05% Tween-20.
Just empty pouch into water and stir - no diluting of stock solutions. No pH adjustment necessary.
Quality and consistency guaranteed.
Nuclease and protease free
Long shelf life