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6,049 results
  • Trace element concentration changes in brain tumors: a review. [Review]
    Anat Rec (Hoboken) 2019Cilliers K, Muller CJF, Page BJ
  • Trace elements have been implicated in cancer, since the levels differ between cancerous and non-cancerous tissue, different cancer types, and different malignancy grades. However, few studies have been conducted on trace element concentrations in brain tumors. Thus, this study aims to review the available literature on trace element changes related to brain tumors, and to identify gaps in the li…
  • Synthesis and Characterization of Alkoxide-Bridged Heterometallic Clusters of Cerium and Copper. [Journal Article]
    Inorg Chem 2019Tsurugi H, Ikeda Y, … Mashima K
  • We prepared alkoxide-bridged heterometallic clusters of cerium and copper by the complexation of two metal alkoxides: treatment of Ce(OtBu)4 with [Cu(OtBu)]4 in a 1:1 metal ratio produced an alkoxide-bridged tetranuclear cluster, Ce2Cu2(OtBu)10 (1). Upon adding 4-substituted pyridine derivatives to complex 1, trinuclear clusters, Ce2Cu(OtBu)9(L) (2a: L = DMAP (4-dimethylaminopyridine); 2b: L = BP…
  • Subchronic toxicity of cerium nitrate by 90-day oral exposure in wistar rats. [Journal Article]
    Regul Toxicol Pharmacol 2019; :104474Wu Y, Tang X, … Fan B
  • This study evaluated the subchronic toxicity of cerium nitrate and determined the no observed adverse effect level (NOAEL) in Wistar rats. In accordance with the Organization for Economic Co-operation and Development guidelines, cerium nitrate was orally administered to Wistar rats by gavage at 0, 0.2, 75, 150, and 300 mg/kg bw/day for 90 days, followed by 28 days of recovery period in the 300 mg…
  • A High-Valent Manganese(IV)-Oxo-Ce(IV) Complex and Its Enhanced Oxidizing Reactivity. [Journal Article]
    Angew Chem Int Ed Engl 2019Karmalkar DG, Sankaralingam M, … Nam W
  • A mononuclear nonheme manganese(IV)-oxo complex binding Ce4+ ion, [(dpaq)MnIV(O)]+-Ce4+ (1-Ce4+), was synthesized by reacting [(dpaq)MnIII(OH)]+ (2) with cerium ammonium nitrate (CAN). 1-Ce4+ was well characterized using various spectroscopic techniques, such as UV-vis, EPR, CSI-MS, rRaman, XANES, and EXAFS, showing an Mn-O bond distance of 1.69 Å with a rRaman band at 675 cm-1 . Electron-transfe…
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