1.1.3.20	CHAPS, 0.5%, stabilizes during solubilization	
1.1.3.20	cholate, 1%, solubilizes and stabilizes	
1.1.3.20	lyophilization, membrane preparation stable to	
1.1.3.20	phenylmethylsulfonyl fluoride stabilizes during purification and storage	
1.1.3.20	prolonged dialysis against EDTA, stable to