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Acrolein as a fixative for enzyme cytochemistry

T Saito and H Keino

Since acrolein can penetrate more quickly and deeply into tissue blocks than glutaraldehyde, the possibility of the use of this aldehyde as a prefixative in enzyme cytochemistry was reinvestigated. At low concentrations, acrolein preserves the activities of the enzymes investigated, including those of glucose-6-phosphatase, which is known as one of the most vulnerable to aldehyde fixation; thus, acrolein is usable in enzyme ultracytochemistry. Enzyme activities are also preserved in tissues fixed with acrolein and glutaraldehyde combined. The rapid penetration of acrolein enables fixation in larger tissue blocks and provides greater freedom in specimen selection, especially important advantages when encountering heterogeneous materials as in pathology.

Volume 24, Issue 12, pp. 1258-1269, 12/01/1976
Copyright © 1976 by The Histochemical Society


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The Journal of Histochemistry & Cytochemistry is owned, published, and licensed by The Histochemical Society © 1976