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culture cell - (Aug/17/2007 )

why need culture our cells in condition 5% CO2 ?
why need tat condition ?


bcuz most medium was buffered with eagle's salt, which ph is about 7 when balanced with 5% co2.
of course, you can use other buffer systems which required different co2 concentration. however, that is not a common way, so you may need to prepare medium by yourself.
that takes time and error probing...