Re: Trying to get rid of B-5 fixative for routine GI biopsies

Gil Corrigan, a pathologist ( in Lafayette, Louisiana, asks:

>>could some histoneter who works in a lab with an atomic absorption 
spectrophotometer which will measure serum zinc...and who has worked with 
zinc formalin for a year or more...kindly have their serum zinc level 
measured...and post the results...i have a great fear of heavy metals<<

Zinc isn't a "heavy metal" in the sense of lead, mercury, cadmium, or AC/DC - 
certainly poisonous in excess, but it's an essential element in human 
nutrition, and blood levels are an inaccurate guide to tissue stores. The 
amount of zinc absorbed by someone working with zinc formalin should be 
physiologically negligible.

Dick Dapson at Anatech probably knows more about this subject than anybody 
else on Histonet - comments?

Bob Richmond
Samurai Pathologist
Knoxville TN

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