Cornelia Guran

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Polysulfone based membranes with controlled porosity pore density, size and orientation were synthesized. The predicted pore characteristics are obtained by adding magnetite (nano or micro) particles into the polysulfone gel and the pores obtained by applying different magnetic fields. The pore density, size and orientation can be designed based on the(More)
  • Mihaela CĂLUGĂREANU, Ana-Maria JOSCEANU, +9 authors M. Manolache
  • 2013
This paper presents a method for determining phosphate ions in Chlorella homosphaera 424 algal culture media by precipitation titration using a lead ion selective electrode. The chosen reaction conditions eliminated the complex ionic medium interferences, where the analyte is the minor component, in the 0.19-0.38 g/L concentrations range, and HCO3 is the(More)
The distribution levels of inorganic anions of tea infusions were measured either for monitoring consumers’ health issues, or for optimization of manufacturing processes. A simple, rapid, and accurate method was used for the quantitative determination of fluoride, chloride, nitrate, phosphate, and sulphate ions in green, black, and white tea infusions, by(More)
Acest articol prezintă cateva noi combinaţii complexe mono şi dinucleare ale Fe(III) şi Cu(II) cu [N-[2–benzoil–amino–3–(10’–metil–phenotiazin–3’–il)–acriloil]– alanină ca ligand, L. Pentru aceştia s-au stabilit formulele, FeL(H2O)2Cl2]Cl, [Fe2L(H2O)4Cl5]Cl, şi [Cu2L2Cl4]·2H2O pe baza analizei chimice elementale, spectroscopiei IR şi UV-Vis, determinărilor(More)
Design of biomaterials and cellular scaffolds for tissue-engineering applications and regenerative medicine requires a precise understanding of the principles underlying multicellular patterning. Adhesion, migration, division, differentiation, and apoptosis are characteristic cellular behaviors, the engineering of which has the potential to allow creation(More)
In the title compound, [Fe(C(12)H(10)N(2)O)(3)](ClO(4))(2), the metal center is coordinated by six N atoms from the three bidentate chelating ligands in a distorted octa-hedral coordination geometry, with overall formation of the meridional (OC-6-21) isomer. Inter-molecular O-H⋯O hydrogen bonds between the hydroxyl groups of the cation and the(More)
Complexes containing 1,3,5-tris-(8-hydroxyquinolino)-trichlorocyclotriphosphazatriene, a new cyclophosphazene ligand, and Co(II), Cu(II) and Ni(II) were prepared. The new complexes, having the general formula [MLCl(2)], [ML(2)]Cl(2), (M=Cu, Co, Ni); [NiLAc], [NiL(2)Ac]Ac and [ML(3)]X(3) (M=Ni, Co, X=Cl, Ac) were characterised by elemental analysis,(More)
Metal complexes of dichloro-tetramorpholino-cyclophosphazatriene containing divalent cations such as Ni(II), Co(II), and Mn(II) have been prepared and characterised by standard physico-chemical procedures (elemental chemical analysis, IR and UV-VIS spectra, conductimetric measurement). The newly synthesised compounds possessed antifungal activity against(More)
Poly- and mononuclear metal complexes of 2,3,11,12-bis[4-(10-aminodecylcarbonyl)]benzo-18- crown-6 (L) and Cu(II); Ni(II); Co(II) and Cr(III) have been synthesized and characterized by standard physico-chemical procedures. In the newly prepared complexes the crown moiety oxygen atoms of the macrocyclic host did not generally interact with metal ions,(More)
In this paper, we describe the synthesis of CeO2 nanoparticles by nanocasting route on the mesoporous silica support. In the first step, mesoporous silica (SBA-15 structure) was prepared using a soft template and in the second step, this material was used for impregnation with CeO2 nanoparticles. The obtained nanocomposites were morphologically and(More)