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xiaoyu0127銅蟲 (小有名氣)
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[求助]
配無血清培液
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我知道做細胞每一步對無菌要求都很高,我不知我的操作是否規(guī)范。老板讓配一個含BSA的1640無血清培液,他當時讓我稱幾克BSA加入培液。我當時加完其他成分后,最后用稱量紙稱好BSA,再帶入超凈臺,吸點培液到離心管,將稱好的BSA加入離心管拿出振勻再加入到培液瓶中。BSA未經(jīng)任何無菌處理,不知是否會帶入污染,那么應(yīng)該如何操作,謝謝 [ 發(fā)自手機版 http://www.gaoyang168.com/3g ] |
| dissolve the BSA in a small volume of 1640 medium, then filter it with 0.45 or 0.2um filter. finally put into the 1640 bottle, or you can also put the BSA into the 1640 medium, then filter the whole bottle medium, either way. |

銅蟲 (小有名氣)
鐵蟲 (初入文壇)
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