Hi!
Do you use your own reagens or the Leica Spectra dyes? We have house-made
ones.
Too faint eosin staining can be rendered more intense with a few drops of
acetic acid into the eosin to reach a pH about 5. Second, it is often a
prolonged washing after the eosin that causes excess stain to be
Where aldehydes are used for disinfection we consider 30 minutes contact time
for difficult viruses like African Swine Fever (ASF) virus to be adequate.
Coronaviruses
like PEDv TGE IBV and the SARS virus are much easier to inactivate than ASF
virus.
I'd consider the SARS virus to be similar to