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Formalin has been recommended as an innocuous fixative for immunohistochemistry. However, several studies demonstrated impairment or blocking of antigenic activity of certain proteins. Formalin fixation was discovered accidentally by F. Blum in 1893 and its deleterious effects on various tissue structures were discussed extensively during the following(More)
During investigations of reactive dyes, Levafix Red Violet E-2BL was found suitable for staining of glia fibers. Experiments were carried out on 37% formaldehyde-fixed human autopsy material. Paraffin sections were treated with Luxol Fast Blue MBSN as usual, differentiated until glia fibers were decolorized, and counter-stained in a 0.25% solution of(More)
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