Thursday, 11 February 2010

What is an efficient way to spike 10-50 cells to a culture

If you are you working with primary cell cultures or cell lines may be you could do this when cells are in suspension, after tripsinization, mix them well with a 5mL serologial pipete in a falcon 50mL tube and plate to a 100mm2 with a final volume of 7mL. And finaly draw an eight with the plate in the hood more than 3 times to mix them well.



Edit: For the addition of 10-50 cells, count these cells with trypan blue, and do a 1:100 dilution, for example if you have 1e6 cells in 10mL you could take 0.01 mL (10 microliters) to get 1, 000 cells



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And then you add the 0.01mL into 1mL of cell media to get 1 cell per 1 microliter, and then if you wanna get 10 cells, take 10 microliters, and so on

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