One of the mysteries of the English language finally explained.
A poisonous pale yellow solid with a distinctive pungent smell, used in solution as a biological stain (especially for lipids) and fixative.
- ‘The tissue is then placed for 8 to 10 days in a solution containing potassium chlorate, osmium tetroxide, formaldehyde, and glacial acetic acid.’
- ‘Experts say a bomb with the chemical osmium tetroxide would have wiped out the first police and rescue workers on the scene.’
- ‘For ultrastructural studies, formalin-fixed tumor samples were washed, postfixed in buffered osmium tetroxide, dehydrated, and embedded in epoxy resin.’
- ‘The cytoplasm of medullar cells, fixed in osmium tetroxide, stained more deeply with toluidine blue than that of cortical cells.’
- ‘Electron microscopy was performed with fresh tissues fixed in glutaraldehyde and postfixed in osmium tetroxide.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.