We use Biocare's Universal Negative Control Serum for our negative controls
on the Benchmark XT. I qc the IHC slides daily and don't see any staining
in the negative sections. We are a large reference lab and I see lots of
negative control slides daily.
You might have gotten a bad batch. I've h
We've been using that product for ages on our Ventana instruments and
not had a problem. I wonder if it is batch related?
We're expecting a new lot-guess we'll be taking an even closer look than
usual at our testing slides!
Sally Ann Drew, MT(ASCP)
IHC/ISH Clinical & Research Laboratory
UWHC