[求救] WB protein ladder 反光
大家好,又來請問 WB 的問題,
我同時做 primary antibody incubation 了三張 membrane,
antibody 都是 re-used 的前幾次做都沒問題,
protein ladder 加的量也都沒變,
但是昨天做的兩張,protein ladder 反白(如圖)。
http://imgur.com/jhDjesJ
請問有沒有人知道這是什麼原因嗎?感謝。
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