From:"K. Bowden"

You need to dry the benzoyl peroxide to remove all traces of H2O.  Water and methyl methacrylate (MMA) do not mix.  You can vacuum the MMA while the tissue is in it to help degas the MMA and to help infiltrate the specimen.  To keep from getting bubbles while it is polymerizing just make sure that the MMA doesn't get to hot.

-- Karen Bowden
University of CA, San Diego
Department of Orthopedics
9500 Gilman Dr. 0630
La Jolla, CA 92093-0630 wrote:

dear all
do you know if it's possible and nessecary to dry benzoylperoxid before dissolving it in methylmetacrylate resin ? i heard that we must do it to avoid bubbles and wrinkles in embedding blocks..
could you give some advice to avoid these air bubbles ?
thanks very much in advance
myriam baali

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