Browsing by Title Facultad de Ciencias Químicas y Farmacéuticas
Now showing items 2932-2951 of 4790
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Magnetic behaviour of bimetallic layered phases M′0.2Mn0.8PS3·0.25 H2O (M′ = ZnII, CuII, NiII, CoII) (Royal Society of Chemistry, 2017)In this work the magnetic properties of bimetallic phases M'0.2Mn0.8PS3 center dot 0.25H(2)O (M' = Co-II, Ni-II, Cu-II or Zn-II) have been explored and compared with those of the pristine phase MnPS3. Magnetic susceptibility, ...
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(ELSEVIER, 2006-10-01)The structure and magnetic properties of two hybrid VPO compounds [(Cu(2)bipy(2))(2)V4O11(PO4)(2)]center dot 5H(2)0 1 and [Cu(2)phen(2)(O3PCH2PO3)(V2O5)(H2O)] center dot H2O 2 are reported. The magnetic behaviour of compound ...
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(GORDON BREACH SCI PUBL LTD, 1995)In this contribution, magnetic investigations on materials, which essentially combine mesogenic and polymeric properties, were presented. In the glassy and the smectic phase of a copper(II) containing polymer we observed ...
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(2010)Manganese dioxide (δ-MnO2) with magnetic properties has been synthesized by precipitation of MnO2 in the presence of magnetite. The resulting material has a particle size distribution between 0.5 and 5 μm. Magnetization ...
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(2013)This paper describes the investigation and development of a novel magnetic drug delivery nanosystem (labeled as MO-20) for cancer therapy. The drug employed was oncocalyxone A (onco A), which was isolated from Auxemma ...
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Magnetic properties and antibacterial activity of tetranuclear copper complexes bridged by oxo group (SOCIEDAD CHILENA DE QUIMICA, 2006-09)A series of three tetranuclear Cu(II) complexes of general formula [Cu4OCl6L4], where L is a Lewis Base ligand has been characterized through magnetic measurements and determination of antimicrobial activities. This study ...
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(ELSEVIER SCIENCE SA, 2000-12-15)The crystalline ion pair [Co-2{OOC-CCo3(CO)(9)}(5), C10H6(N(CH3)(2))(2)H] (1) presents unusual magnetic properties. The X-band EPR spectrum of 1 at room temperature presents two unresolved bands at g = 1.98 and 4.55. At a ...
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(2000)The crystalline ion pair [Co2{OOC-CCo3(CO)9}5, C10H6(N(CH3)2)2H] (1) presents unusual magnetic properties. The X-band EPR spectrum of 1 at room temperature presents two unresolved bands at g = 1.98 and 4.55. At a low ...
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(1997)A new hexadentate ligand 3,6-bis[(6-methyl-2-pyridyl)(2-pyridyl)methyl]pyridazine (mbdpdz) was prepared by a condensation reaction of 3,6-dichloropyridazine and (6-methyl-2-pyridyl)(2-pyridyl)methyllithium, and the following ...
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(ROYAL SOC CHEMISTRY, 1999-09-07)Three new copper(II) complexes with simple pyrazolate bridges have been prepared, [Cu-2(pz)(2)(dpa)(2)(H2O)Cl]Cl . H2O 1, [Cu-2(pz)(2)(phen)(2)Cl-2]. 2C(2)H(5)OH 2 and [Cu-2(pz)(phen)(2)Cl-3]. 2H(2)O 3 (Hpz = pyrazole, dpa ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2007-06)The hybrid organo-inorganic compounds [Cu4(bipy)4V4O11(PO4)2]nH2O (n 5) (1), [Cu2(phen)2(PO4)(H2PO4)2(VO2) Æ 2H2O] (2) and [Cu2(phen)2(O3PCH2PO3)(V2O5) (H2O)]H2O (3) which present different bridging forms of the ...
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(2003)Hydrothermal synthesis has allowed us to isolate and characterize three new inorganic organic hybrid materials, the compounds [Cu-2(phen)(2)(H2O)(2)(H2PO4)(2)](NO3)(2).2H(2)O (1), [(Cu(2)bipy(2))(2)(V4O9)(PO4)(2)(HPO4)(H ...
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(Universidad de Chile, 2019)En esta Memoria de Título se sintetizan, caracterizan y emplean nuevos adsorbentes del tipo silicatos de calcio nanoestructurados sin modificar o modificados con Fe(III), magnetizados con Fe3O4 comercial y con Fe3O4 ...
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(Elsevier Ltd, 1996)The title compound [Cu2C19H20N6O7Cl](2) is a copper(II) complex, in which each bicationic moiety is bridged by two pyrazolate ligands. In the centrosymmetric, tetrameric dications pairs of copper atoms, one square planar ...
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(2007)The evacuation of liquid metals or mattes from metallurgical furnaces presents many operational challenges due to safety issues and the fast destruction of tapping blocks. Particularly, a continuous smelting and converting ...
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(American Diabetes Association, 2020)Cardiac glucose uptake and oxidation are reduced in diabetes despite hyperglycemia. Mitochondrial dysfunction contributes to heart failure in diabetes. It is unclear whether these changes are adaptive or maladaptive. To ...
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(Universidad de Chile, 2008)El consumo de papas fritas, que mundialmente crece generando grandes volúmenes de venta y que representa un negocio con perspectiva de seguir desarrollándose aún más, se ve violentamente amenazado a partir del momento en ...
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(Universidad de ChileCyberDocs, 2009)El dolor es uno de los síntomas de mayor incidencia en los pacientes con cáncer, la prevalencia e intensidad dependerá del sitio de origen del tumor, estadio de la enfermedad, evaluación del dolor, tratamiento empleado, ...
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(BMJ, 2020)SARS-CoV-2 is the virus responsible for the ongoing COVID-19 outbreak. The virus uses ACE2 receptor for viral entry. ACE2 is part of the counter-regulatory renin-angiotensin-aldosterone system and is also expressed in the ...
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(Universidad de ChilePrograma Cybertesis, 2004)La presente memoria titulada “Manual de Calidad y Manual de Procedimientos Generales para la Acreditación del Laboratorio de Química de Alimentos y Materias Grasas”, tuvo como objetivo elaborar el “Manual de Calidad” y el ...
