ISO standards for cytotoxicity

[Chris Graham]

Hi

Is there any ISO/FDA standards for cytotoxicity testing of novel 
polymers?  Just needed for routine testing of cell adhesion and viabilty.
At the moment I feel in house methods using MTT assay and trypan blue 
exclusion methods need justification.   

Thanks for your help

Chris Graham 
GRAHAMCd at aston.ac.uk