Hello,

A client wishes to remove haematoxylin from an immuno slide stained with
DAB.  She has left the slide in haematoxylin too long, and now the DAB is
extremely hard to see.  Is there any way we can remove the haematoxylin
without removing the DAB?

Thanks,
Tracey Gunn,
Histology Service Unit,
Otago University,
Dunedin,
NEW ZEALAND.