Serum-Donkey serum (10%) in TBST-wash Buffer and azide

COMPOSITION: 10% Donkey Serum in 0.05% Tween-20 and 0.02% Sodium azide in TBS-Wash Buffer (50 mM Tris-HCl and 150 mM NaCl).

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

PH: pH 7.4 ┬▒ 0.2.

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