We have been using Omni-Fix (an alcoholic base fixative) to send to
outside labs so that they do not have to monitor for formaldehyde. We
find it is great for small biopsies but is too slow to fix large
specimens. I believe that formaldehyde is still superior to any other
fixative out there. But we have found a good substitute for
transportation and storage. Also prostate needle biopsies fixed in
Omni-Fix come out beautiful for K903 antibody.
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