[Histonet] Formalin Fixation & IHC

From:Helen E Johnson

Hi Histonetters,
      In order to avoid overfixation of specimens in Formalin when
performing IHC , specimens are usually transferred to 70% EtOH at 24 hrs.
Is there any adverse effects of antigen damage in long term storage in
EtOH?  Will specimens get hard if kept long in EtOH?
Johnson   (hej01@health.state.ny.us)

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