muscle biopsie

From:Claire Delattre <>

We have a retraction problem between the muscular fiber and the connective tissue. The specimens (5mm by 7mm) are fixed in 10 % formalin overnight, then in PBS buffer until processed as follow:
-alcohol, 70%, 80%, 95%, 95%, 100%, 100%, 100% an hour for each solution
-then 2 xylene substitute an hour each,
-4 paraffin 30 minutes each.

Does anybody has experienced and fixed this kind of artefact?
Thank of in advance for your inputs.

Claire Delattre
OHSU West Campus
185th N.W. Avenue
Beaverton, Oregon 97006-3499

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