[Histonet] species control blocks

Perry, Margaret Margaret.Perry <@t> sdstate.edu
Wed Aug 13 11:23:24 CDT 2008

I have a question for the people who do animal diagnostic work.  How
long do you keep paraffin species control blocks for such tests as
chromogranin a, CD3, CD79a, S100a, cytokeratin etc.  Have you noticed a
decline in antigenicity after a period of time?  How long is it before
you notice a decline?



Margaret Perry HT (ASCP)

IHC Lab Manager Veterinary Science

Animal Disease Research and Diagnostic Lab

South Dakota State University

Box 2175 North Campus Drive

Brookings SD 57007


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