A poisonous pale yellow solid with a distinctive pungent smell, used in solution as a biological stain (especially for lipids) and fixative.
四氧化锇,锇酸酐
Chemical formula: OsO₄
Example sentencesExamples
The cytoplasm of medullar cells, fixed in osmium tetroxide, stained more deeply with toluidine blue than that of cortical cells.
For ultrastructural studies, formalin-fixed tumor samples were washed, postfixed in buffered osmium tetroxide, dehydrated, and embedded in epoxy resin.
The tissue is then placed for 8 to 10 days in a solution containing potassium chlorate, osmium tetroxide, formaldehyde, and glacial acetic acid.
Electron microscopy was performed with fresh tissues fixed in glutaraldehyde and postfixed in osmium tetroxide.
Experts say a bomb with the chemical osmium tetroxide would have wiped out the first police and rescue workers on the scene.
Definition of osmium tetroxide in US English:
osmium tetroxide
noun
A poisonous pale yellow solid with a distinctive pungent smell, used in solution as a biological stain (especially for lipids) and fixative.
四氧化锇,锇酸酐
Chemical formula: OsO₄
Example sentencesExamples
The tissue is then placed for 8 to 10 days in a solution containing potassium chlorate, osmium tetroxide, formaldehyde, and glacial acetic acid.
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.
Experts say a bomb with the chemical osmium tetroxide would have wiped out the first police and rescue workers on the scene.
Electron microscopy was performed with fresh tissues fixed in glutaraldehyde and postfixed in osmium tetroxide.