ruthenium


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ruthenium

 [roo-the´ne-um]
a chemical element, atomic number 44, atomic weight 101.07, symbol Ru. (See Appendix 6.)
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ru·the·ni·um (Ru),

(rū-thē'nē-ŭm),
A metallic element of the platinum group; atomic no. 44, atomic wt. 101.07; 106Ru, with a half-life of 1.020 years, has been used in the treatment of certain eye problems.
[Mediev. L. Ruthenia, Russia, where first obtained]
Farlex Partner Medical Dictionary © Farlex 2012

ru·the·ni·um

(rū-thē'nē-ŭm)
A metallic element of the platinum group; atomic no. 44, atomic wt. 101.07; 106Ru, with a half-life of 1.020 years, has been used in the treatment of certain eye problems.
[Mediev. L. Ruthenia, Russia, where first obtained]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
- Business scope: Refining and recovery of ruthenium and iridium
By the dissociative adsorption of water, hydroxide sites are formed and bound in ruthenium cluster ions.
Synthesis of the ruthenium complexes shown in Table 1 have been described elsewhere [19, 20].
Sava, "Approaching tumour therapy beyond platinum drugs: status of the art and perspectives of ruthenium drug candidates," Journal of Inorganic Biochemistry, vol.
In conclusion, a new ruthenium complex, Ru(bpbp)(pbb)Cl, was exploited for the oxidation of (1H-benzo[d]imidazol-2-yl)ethanol to 1-(1H-benzo[d]imidazol-2-yl)ethanone with [H.sub.2][O.sub.2] as oxidant.
2-phenyl-1,2,3,4-tetrahydroisoquinoline-1- carbonitrile (3) White solid; isolated Yield (ruthenium metal complex 85%, eosin Y 90%); Mp: 100-101degC.
Table 2: Binding energies of the products Compound Binding Energy(a.u) FeMoco-N 4.1 FeMoco-CO 3.575 FeMoco-H 2.332 Ru complex-N 128.969 Ru complex-CO 128.837 Ru complex-H 130.199 The results show that higher binding energies for the products formed are when the ruthenium complex reacted with the syngas.
Huang et al., "Photoelectric behavior of nanocrystalline TiO2 electrode with a novel terpyridyl ruthenium complex," Solar Energy Materials and Solar Cells, vol.
The ruthenium precursor successfully developed for the first time by Tanaka Kikinzoku Kogyo is a metallo-organic complex made up of organic compounds (Cyclooctatetraene and Carbonyl) and a metallic element (Ruthenium).
In the double-layer structure, the optical substrate--glass or optical polymer--was coated with a primary layer containing the oxygen sensitive ruthenium complex, and a secondary layer containing the enzyme glucose oxidase (Fig.
'Ruthenium is proving to be 14 times more potent and patients need to take less than a tenth of the amount of platinum drugs.'
The structure of molybdenum-iron-nitrogenase was solved in 1992 and work continues today to determine the exact site of coordination of dinitrogen gas--it may indeed be iron(II), a periodical table member of ruthenium (II).