A coronal section of a whole human brain stained with thionine. Analysis of all slides and samples will be completed by 2012.

There are an anodic peak and a cathodic peak in the cyclic voltammogram of polythionine. Their peak currents increase with increasing temperature.

In the present study, rabbit mesentery was fixed in three different fixatives and stained with thionine and thionine-toluidine blue respectively in order to find a good method to display mast cells.