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 (yo͝or′ə-nĭl, yo͝o-rā′nəl)
The divalent ion UO22+.


(Elements & Compounds) (modifier) of, consisting of, or containing the divalent ion UO22+ or the group –UO2
[C19: from uranium + -yl]
ˌuraˈnylic adj


(ˈyʊər ə nɪl)

the bivalent ion UO2 + 2, or the group UO2, which forms salts with acids.
[1840–50; uran (ium) + -yl]
u`ra•nyl′ic, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.uranyl - the bivalent radical UO2 which forms salts with acids
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
uranyl nitrate - a yellow salt obtained by the reaction of uranium salts with nitric acid
uranyl oxalate - a salt obtained by the reaction of uranium salts with oxalic acid
References in periodicals archive ?
1] aqueous uranyl acetate (24 h at 4 [degrees] C) as a stain-preembedding step.
Depolarization of the cathode reaction with acetic acid effectively overcomes uranyl ion precipitation.
One of those who followed up instantly on Becquerel's discovery of the radiation from potassium uranyl sulfate (see 1896) was a Polish-born French chemist, Marie Sklodowska Curie (1867-1934).
After an additional fixation with 1% OsO4 and pre-embedding staining with 1% uranyl acetate, ovaries were dehydrated and embedded in Embed 812 resin.
Das, Complexes of Uranyl Nitrate, Uranyl Acetate, Uranyl Thiocyanate and Uranyl Chloride with Benzoyl, Salicyloyl and Isonicotinoyl Hydrazines, Synth.
The suggested approach in METALS will examine the specific binding of uranyl to artificially phosphorylated recombinant peptides.
Specimens are postfixed in 1% osmium tetroxide, en bloc stained with 4% uranyl acetate, dehydrated through a graded series of alcohol and propylene oxide, and embedded in a mixture of Epon substitute and Araldite.
5 percent uranyl acetate in 10 percent alcoholic solution) after which it was hydrated in graded series of acetone (40, 50, 70 and 100 percents) for 5 minutes followed by 100 percent propylene oxide for 5 minutes.
Freshly glow-discharged, Formvar-coated, 400-mesh copper grids (SPI Supplies) were incubated for 10 min on the SV drops, washed three times for 10 min each in squid 1/2X buffer, and stained with 1% uranyl acetate in water.
The fixed ovaries were contrasted in 2% uranyl acetate in 10% alcohol during 6 hours and then dehydrated in a standard acetone series (70, 90, and 95%, five minutes each and then three changes of 100% 5 minutes each) and embedded in Epon-Araldite.
The sections were stained with uranyl acetate (Polysciences) and lead citrate (Polysciences) and examined on a JEM 1200 transmission electron microscope (JEOL USA Inc, Peabody, Massachusetts).