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competen cell - (Oct/24/2006 )

hello every one

i prepare competen cell with TSS buffer and i need to know if my competen cell got contamination or not is there any way to know a bout it

thank you


yeah, sure

streak some on a plate and check for morphology; do a gram stain, etc.


in addition i would do plates with antibiotic. 1 for amp, 1 for tetracyclin, 1 for kana for zeo etc...


hi again

if you don't mind how can do gram stain smile.gif

thank you