| Bovine serum albumin (BSA) (minimum 98%) |
4 g |
1% |
| 5 M NaCl |
12 mL |
3% |
| Triton X-100
|
1.2 mL |
0.3% |
| 1 M Tris-Cl (pH 7.5)
|
40 mL |
10% |
| H2O (RNase-free)
|
346 mL |
86.5% |
|
| Dissolve BSA in H2O by stirring vigorously at room temperature. Add other reagents and mix by stirring at room temperature.
|
| Store block solution at room temperature until needed. Solution may be kept for 1 d at 4°C. |