Small SDS-PAGs (7.5 x 10 cm gels of 0.75-1 mm thickness)

 Resolving gel (10 ml for 2 gels): 

 

5%

10%

12%

15%

20%

Lower buffer

2.5 ml

2.5 ml

2.5 ml

2.5 ml

2.5 ml

Acrylamide, 30%

1.6 ml

3.3 ml

4 ml

5 ml

6.6 ml

H2O

5.9 ml

4.2 ml

3.5 ml

2.5 ml

0.9 ml

TEMED

10 μl

10 μl

10 μl

10 μl

10 μl

10% APS

100 μl

100 μl

100 μl

100 μl

100 μl

 

Stacking 3.3% gel (5 ml for 2 gels):

Upper buffer 1.25 ml Resolving gel: 0.375 M Tris final

Acrylamide, 30% 0.55 ml Stacking gel: 0.15 M Tris final

H2O       3.2 ml    10% APS: 0.1% final

TEMED   5 μl        SDS: 0.1 and 0.125% final

10% APS 50 μl

Lower buffer, pH 8.8:

  • 1.5 M Tris (’Sigma’, T-1378, Fw 121.1 g/mol)/HCl => 18.165 g/100 ml H2O

  • 0.4% SDS (’BDH’, No. 44244, Fw 288.38 g/mol) => 0.4 g

Upper buffer, pH 6.8:

  • 0.6 M Tris/HCl => 7.266 g/100 ml H2O

  • 0.5% SDS => 0.5 g

2003 10 21 – Oliver & Julius