We use 'Biopsy pads' which are a blue sponge material (also come in
green but we find blue shows the tiniest bits best) that will hold
the tiniest of tissue Bx's (you can also 'colour' your specimen with
Eosin so it can be seen easier). Be SURE to source a sponge/pad, that
has a very fine sponge as some we trialled were quite
'porous'/allowed tiny bits to move into the sponge. Place tissue on
bottom layer then cover with another pad & close your cassette. Dip
into 70% ETOH before you drop into formalin/fixative as sponges are
'hydrophobic' until they have been wetted with ETOH.
Process as usual, remove from paraffin, open cassette & 'voila' -
there is the Bx.- safe'n'sound!
Histology Facility Manager
The University of Melbourne
Department of Zoology
Victoria. AUSTRALIA 3010
Ph: (03) 83446282
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