Serum-Horse serum (10%) in PBST and azide

COMPOSITION: 10% Horse Serum in 0.05% Tween-20 and 0.02% Sodium azide in PBS (10 mM Sodium phosphate dibasic, 2 mM potassium phosphate monobasic, 10 mM KCl, and 137 mM NaCl)

METHOD: Prepared in 18.2 megohms water and filtered through 1-micron filter.

PH: pH 7.4 ┬▒ 0.15.

STORAGE: Store at 2-8 degree Celsius for short term and -20 degree Celsius for long term.