We just got a new Leica Cryostat. The company recommend spray disinfection 
with Leica Cryofect. However, our pathologist is not
convinced that it is effective against TB. We decide to use formaldehyde
vapour by placing 30ml of 37% formaldehyde in the chamber overnight(with the 
Cryostat switched off and lid closed ) I would like to know if this 
procedure really does the work. Also, after the disinfection,
do we really need to remove the microtome to dry thoroughly before we
put it back in and turn the machine on?

Thanks in advance for your input !


Anissa Choi



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