Re: [Histonet] Biocare Universal Negative Control Serum may be positive

2010-04-07 Thread Mark Tarango
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

RE: [Histonet] Biocare Universal Negative Control Serum may be positive

2010-04-07 Thread Drew Sally A
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