Phosphate Buffered Saline (PBS) is a versatile buffer solution widely used in biological research due to its isotonic and non-toxic nature to cells. With a pH range of 7.0 to 7.4, PBS mimics the osmolarity and ion concentrations of the human body, making it ideal for a variety of applications. This product functions as wash buffer in Western blotting and immunoassays, and is formulated in a 10X concentration. Dilute to desired concentration.