Lyophilized from a 0.2 µm filtered solution of 20mM PB, 150mM NaCl, 5% Trehalose, 5% Mannitol, 0.01% Tween 80, pH 7.4.Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.Please refer to the specific buffe