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Unknown floating substances in culture flask

floating object cell culture

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#1 vivianyuwl



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Posted 29 June 2012 - 06:36 AM

hi all,

I feel really frustrated with these strange things in my culture flasks. They are floating in the culture medium. Their sizes are comparable with my cancer cells(PC-3 and A549). They reappear even though I wash the cells many times before re-adding the medium. And it seems that there will be more and more such floating things a few days later. Are my cells contaminated??

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  • Contaminations.jpg

#2 bob1


    Thelymitra pulchella

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Posted 29 June 2012 - 05:59 PM

These are dead/dying cells. ANy population of cells will have a few.

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