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. 1975 Mar;7(2):179-86.
doi: 10.1007/BF01004561.

Bifunctional reagents as vapour- and liquid-phase fixatives for immunohistochemistry

A G Pearse, J M Polak

Bifunctional reagents as vapour- and liquid-phase fixatives for immunohistochemistry

A G Pearse et al. Histochem J. 1975 Mar.

Abstract

Out of a total of eleven bifunctional reagents tested as fixatives for light microscopic immunohistochemistry, four were found satisfactory when applied in the vapour phase to freeze-dried blocks. These were diethylpyrocarbonate, as observed in earlier studies, dimethyladipimidate, p-benzoquinone, and diacetyl. Adequate but less satisfactory liquid-phase fixation was provided by three reagents (dimethyladipimidate, dimethylsuberimidate, p-benzoquinone). None of the eleven reagents gave optimal preservation of antigencity and structure when tested at the ultrastructural level. Encouraging results were obtained with p-benzoquinone, however.

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