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Targeted delivery of nanoparticles to cells or tissues of interest is arguably the "holy grail" of nanomedicine. Using primary human macrophages and ovarian cancer cells, we evaluated the biocompatibility and specific targeting of folic acid (FA)-conjugated iron oxide nanoparticles with organic [poly(ethylene glycol), PEG] or inorganic (SiO2) intermediate(More)
Six novel homoleptic palladium(II) and platinum(II) complexes of donor-substituted alkenol ligands [PyCHC(R)OH; Py = pyridine, R = CH(3), CF(3), C(2)F(5), C(3)F(7)] of the general formula M[PyCHC(R)O](2) (M = Pd, Pt) were synthesized by reacting the deprotonated ligands with PdCl(2) and K(2)PtCl(4), respectively. Molecular structures, revealed by(More)
The complex formation of vanadium(IV) with cis-inositol (ino) and the corresponding trimethyl ether 1,3,5-trideoxy-1,3,5-trimethoxy-cis-inositol (tmci) was studied in aqueous solution and in the solid-state. With increasing pH, the formation of [VO(H-2L)], [(VO)2L2H-5]-, [VO(H-3L)]- (L = ino) or [(VO)2L2H-6]2- (L = tmci), [V(H-3L)2]2-, and [VO(H-3L)(OH)2]3-(More)
The hexadentate ligand all-cis-N(1),N(2)-bis(2,4,6-trihydroxy-3,5-diaminocyclohexyl)ethane-1,2-diamine (L(e)) was synthesized in five steps with an overall yield of 39% by using [Ni(taci)(2)]SO(4).4H(2)O as starting material (taci=1,3,5-triamino-1,3,5-trideoxy-cis-inositol). Crystal structures of [Na(0.5)(H(6)L(e))](BiCl(6))(2)Cl(0.5).4H(2)O (1),(More)
The crystal structure of the title compound, [Bi(3)(C(6)H(12)N(3)O(3))(2)]Cl(3).6H(2)O, which was described in the space group R3 [Hegetschweiler, Ghisletta & Gramlich (1993). Inorg. Chem. 32, 2699-2704], has been redetermined in the revised space group R32 as suggested by Marsh [Acta Cryst. (2002), B58, 893-899]. Accordingly, the significant difference in(More)
Metal complex formation of the two cyclic triamines 6-methyl-1,4-diazepan-6-amine (MeL(a)) and all-cis-2,4,6-trimethylcyclohexane-1,3,5-triamine (Me(3)tach) was studied. The structure of the free ligands (H(x)MeL(a))(x+) and H(x)Me(3)tach(x+) (0 ≤ x ≤ 3) was investigated by pH-dependent NMR spectroscopy and X-ray diffraction experiments. The crystal(More)
The reaction of Cerium Ammonium Nitrate (CAN) with varying amounts of KO(t)Bu produced homometallic Ce(O(t)Bu)4(NC5H5)2 (1) and the heterometallic derivative KCe2(O(t)Bu)10 (3) characterized by X-ray diffraction and NMR spectroscopy. The oxo-alkoxide cluster Ce3O(O(t)Bu)9 (2) was obtained from a solution of cerium(IV) tetrakis(tert-butoxide) in n-heptane(More)
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