請問一下大家在RNA isopropanol沉澱的時候
離完心會發生pallet變一大片的情形嗎??
在eppendorf中不是形成塊狀的沉澱
而是分散的情況???
想請問可能是前面哪個步驟出錯了
流程
trizol 1ml 5min
200ul chloroform mix 靜置3 min
取上清液與isopropanol 1:1 mix
-20度C 1hr後離心 12000rpm 15min
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