3.1.6.8	-20°C or 2°C, over a week, significant loss of activity	
3.1.6.8	-20°C, protein: 1 mg/ml	
3.1.6.8	-20°C, protein: 1 mg/ml, stable for months	
3.1.6.8	0°C, 2 months	
3.1.6.8	4°C, pH 7.5, protein: 0.002 mg/ml, bovine serum albumin, insulin or ribonuclease, 15 days, no loss of activity	
3.1.6.8	4°C, pH 7.5, protein: 0.002 mg/ml, bovine serum albumin, insulin or ribonuclease, 8 months, 30% loss of activity