a yellowish poisonous water-soluble crystalline substance with a penetrating odour, used as a reagent and catalyst in organic synthesis. Formula: OsO4
osmium tetroxide in American English
noun
Chemistry
a crystalline or amorphous, colorless, poisonous compound, OsO4, soluble in water, alcohol, and ether: used for microscopic staining, in photography, and as a catalyst in organic synthesis
Also called: osmic acid
Word origin
[1875–80]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: graph, knockabout, slime mold, weekend, weekender
Examples of 'osmium tetroxide' in a sentence
osmium tetroxide
Brain tissues were prepared by glutaraldehyde-osmium tetroxide double fixation for ultrastructural analysis.
Aysel Agar, Umit Ali Kayisli, Yasemin Seval, Gamze Tanriover, Goksemin Acar, RamazanDemir 2011, 'Effects of excess vitamin B6 intake on cerebral cortex neurons in rat: an ultrastructuralstudy', Folia Histochemica et Cytobiologicahttp://czasopisma.viamedica.pl/fhc/article/view/4611. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
After removing the ovaries and isolating follicles, granulosa cells were fixed in glutaraldehyde and osmium tetroxide.
Amir Afshin Khaki, Arash Khaki, Seyed Shahin Ahmadi 2016, 'The effect of Non- ionizing electromagnetic field with a frequency of 50 Hz in Ratovary: A transmission electron microscopy study', Iranian Journal of Reproductive Medicinehttp://www.ssu.ac.ir/ijrm/index.php/ijrm/article/view/1830/pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A chemical synovectomy by osmium tetroxide was done for 3 patients with septic arthritis of the knee joint.
F. DAVATCHI, A. GHASSEMI-NEJAD 1972, 'Essai d'un Nouveau Traitement dans I'Arthrite Septique du Genou: La synovectomyChimiaue par le Tetroxide d Osmium (Rapport Preliminaire)', Acta Medica Iranicahttp://journals.tums.ac.ir/PdfMed.aspx?pdf_med=/upload_files/pdf/7220.pdf&manuscript_id=7220. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
At three months postoperatively, recovery of nerve function and morphology was observed using osmium tetroxide staining and functional detection.
Jiu-xu Deng, Dian-yin Zhang, Ming Li, Jian Weng, Yu-hui Kou, Pei-xun Zhang, Na Han,Bo Chen, Xiao-feng Yin, Bao-guo Jiang 2017, 'Autologous transplantation with fewer fibers repairs large peripheral nerve defects',Neural Regeneration Researchhttp://www.nrronline.org/article.asp?issn=1673-5374;year=2017;volume=12;issue=12;spage=2077;epage=2083;aulast=Deng. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Thirty-one human inner ears were prepared, post-fixed with osmium tetroxide and decalcified for soft tissuecontrast enhancement.
Lejo Johnson Chacko, Dominik T. Schmidbauer, Dominik T. Schmidbauer, Stephan Handschuh,Alen Reka, Karl D. Fritscher, Patrik Raudaschl, Rami Saba, Michael Handler, PeterP. Schier, Daniel Baumgarten, Daniel Baumgarten, Natalie Fischer, Elisabeth J. Pechriggl,Erich Brenner, Romed Hoermann, Rudolf Glueckert, Rudolf Glueckert, Anneliese Schrott-Fischer 2018, 'Analysis of Vestibular Labyrinthine Geometry and Variation in the Human Temporal Bone',Frontiers in Neurosciencehttp://journal.frontiersin.org/article/10.3389/fnins.2018.00107/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)