hey guys,
Just curious...when using the 3M petri film method, do I need to record the results in MPN/gram or CFU/gram?
Thanks :):)
Posted 29 May 2019 - 04:33 PM
hey guys,
Just curious...when using the 3M petri film method, do I need to record the results in MPN/gram or CFU/gram?
Thanks :):)
Posted 29 May 2019 - 05:25 PM
When I used to do lab, petrifilm results are always reported in cfu/g sample.
"Whatever you do, do it well..." - Walt Disney
Posted 29 May 2019 - 05:58 PM
Thought so.
thank you majoy :)
Posted 29 May 2019 - 11:15 PM
3M has some high quality information on the use and interpretation of the petrifilm plates. I use them in all our micro plating SOP's with petrifilm plating. There is one for each specific type of petrifilm.
Posted 30 May 2019 - 01:37 AM
hey guys,
Just curious...when using the 3M petri film method, do I need to record the results in MPN/gram or CFU/gram?
Thanks :):)
It directly relates to the specific Procedure.
And the Procedure directly relates to the specific Objective.
MPN Procedures are often invoked where the level of target species is Low, typically <100 cfu/gram. Originally developed for micro (indicator) evaluation of water supplies.
Kind Regards,
Charles.C
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