PBS 10X with 1% Tween 20, pH 7.4

10 mM Na2HPO4, 15 mM KH2PO4, 27 mM KCl, and 1.37 M NaCl, and 1% Tween-20. pH 7.4 � 0.2. Prepared in DI water, The pH of the 1X should be pH 7.4 � 0.2. To make 1X, dilute 10-fold with DI water. Shipped at room temperature, store at room temperature.