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one more comment, for the cutting the tissue, I always put the embryos insides the 1ml of round bottom cyro-tube and use fine scissors to cut either 100 times or 1min together with 1ml of 1xpbs. the 3 rounds of tyrpsin with 2ml of trypsin in 37 degree (mix 2 times between gently) were performed. inbetween each round of trypsinization, transfer the supernatant to the tube containing the full medium with FCS.# M9 v! ?$ {" c: W3 T( ^3 q
then pellet the cell ........ |
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