WB胶及试剂配制
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1.1 40% Bis-acrylamide with 2.6% C (Acrylamide:Bis, 38.95:1.05)
acrylamide 77.9g
Bis-acry 2.1g
Total 200ml
1.2 30%胶溶液:
Bis-acry 0.8g
acrylamide 29.2g
total 100ml
1.3 3M TrisHCl , pH 8.45
36.3g Trisbase
Total 100ml
1.4 WG ( water + Glycerol):
Water: 58ml
Glycerol: 36ml
Total: 94ml
1.5 10x Electrophoresis Buffer stock pH8.3
Trisbase 60.5g
Tricine 89.5g
SDS 5g
total 500ml
1.6 10% SDS
SDS 10g
Total 100ml
1.7 2x Laemmli Stacking Buffer pH6.8:
0.25M Tris 15.14g
0.2% SDS 1g or 5ml 20% SDS
total 500ml
1.8 transfer buffer
25mM Tris 3g
192mM glycine 14.4g
40% methanol 400ml
Total 1000ml
1.9 TBST
10mM Tris-HCl, pH7.4
100mM NaCl
0.2% Tween-20
Total 1000ml Separating gel: 15%
Separating Gel (15%) 1 gel
WG 1.88ml
40% Gel.sol 2 ml
3M TrisHCl pH 8.45 2 ml
10% SDS 0.06 ml
10%APS 0.06 ml
TEMED 0.003 ml
Total 6.003 ml
Spacing gel: 10%
Spacer Gel (10%) 1 gel
dH2O 0.47 ml
30% Gel.sol 0.5 ml
3M TrisHCl pH 8.45 0.5 ml
10% SDS 0.015 ml
10%APS 0.015 ml
TEMED 0.0015 ml
Total
1.5015 ml
Stacking gel:4%
Stacking Gel (4%) 1 gel
2×Stacking. buffer 1.5ml
30% Gel.sol 0.75ml
ddH2O 0.75ml
TEMED 4ul
10%APS 40ul
Total 3.44ml
All recipes are designed for 1.5mm gel
1.1 做分离胶,加水封胶,待其凝固。
1.2 去除封胶水,做间隙胶,加水封胶,待其凝固。
1.3 去除封胶水,做浓缩胶,插梳子。
1.4 待浓缩胶凝固后,拔掉梳子,并将架子转移到电泳槽中,先在中部加入1x Electrophoresis
Buffer pH8.3,点样。
1.5 调节电压到60v,开始电泳,一小时后电压升至120v。
1.6 溴酚蓝开始跑出最下端时停止电泳
1.7 取胶,湿法转移,一张膜20v过夜,2张膜串联30v过夜
1.8 封闭45min,一抗37度孵育90min,然后洗涤5min*5次,2抗孵育 45min,洗涤8min*4次。曝光显影。