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易農(nóng)植保新蟲 (初入文壇)
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[求助]
蛋白電泳求助 已有1人參與
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| 各位大神,最近直接用蛋白loading buffer煮真菌菌絲或者用液氮將菌絲研磨后加入loading buffer煮,離心后取10μl上樣跑SDS-PAGE,泳道會越跑越寬,而且很彌散,把旁邊正常的純蛋白泳道擠變形了都,這種情況該怎么解決?先多謝啦 |
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這個問題很少見哦,泳帶變寬說明蛋白單一,最好就是各一個孔點一個樣,如果這個方案不可取的話,那就用loading補(bǔ)傍邊的泳道,或者多一些,就是用loading平衡他們,應(yīng)該就好了。 祝福祝福 ![]() ![]() ![]() ![]() ![]() |
新蟲 (初入文壇)
| High salt concentration in these samples. Precipitate and resuspend or Dialyze these samples. |
新蟲 (初入文壇)
新蟲 (初入文壇)
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Some samples run as "wide lanes", because of high salt concentration in these samples. Add trichloroacetic acid (TCA) to 10% (W/V) and incubate for 5 minutes at 4 degrees Celsius. Centrifuge and wash pellet with cold acetone. Resuspend pellet with SDS sample loading buffer in volume desired. If it dosen't work well, you should decrease voltage by 25-50%. |
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