FBS trouble part2

Dr Catherine McIntyre c.a.mcintyee at sheffield.ac.uk
Wed Nov 8 03:24:07 EST 1995

The only way that you can be sure that you have a contamination problem 
is by trying to culyure the offending organisms. Try plating out a 
sample of the FBS on some nutrient agar or put a few drops in some broth 
e.g. Thioglycollate. If you manage to grow anything try and befreind a 
bacteriologist to look at the samples for you - they will probably be 
able to do a gram stain and an antibiotic sensitivity test for you.
If they are not bacteria it is possible that you could have plasmodium 
contamination which I believe (from the grapevine) can frequently 
conataminate serum products although I do not know anything about them.
Good luck

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