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    Listar por autor "García-de-Torres, Amparo"

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    Mostrando ítems 1-20 de 21

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      • Characterization of solid magnetic nanoparticles by high resolution continuum source electrothermal atomic absorption spectrometry (HR-CS-ETAAS) 

        Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; López-Guerrero, María del MarAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga (2015-12-21)
        Nanometer-sized materials have attracted substantial interest in the scientific community because they offer a highly active surface area to volume ratio enable them to have a wide range of potential applications because ...
      • Cold vapour generation electrothermal atomic absorption spectrometry and solid phase extraction based on a new nanosorbent for sensitive HG determination in environmental samples (sea water and river water) 

        Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; López-Guerrero, María del MarAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2016-07-07)
        Mercury is not an essential element for plant or animal life and it is a potential environmental toxic because of its tendency to form covalent bonds with organic molecules and the high stability of the Hg-C bond. Reports ...
      • Determinación secuencial de CH3Hg y Hg mediante vapor frío-inyección en flujo-ICP-MS 

        Sánchez-Trujillo, Irene; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (Sociedad Española de Química Analítica (SEQA), 2013)
        El mercurio es uno de los contaminantes ambientales más importantes y sus efectos tóxicos se conocen desde hace siglos. Todas las especies de mercurio son tóxicas, aunque generalmente lo son más los compuestos orgánicos ...
      • Determination of mercury by flow injection solid phase extraction coupled with on-line hydride generation ETAAS using as solid phase extractant a new functionalized mesoporous silica 

        López-Guerrero, María del MarAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (Sociedad Española de Química Analítica (SEQA), 2013)
        A chelating resin, [1,5 bis(di-2-pyridyl) methylene thiocarbohydrazide] bonded to mesoporous silica (DPTH-ms), has been used as a novel solid phase extractant. This resin has some advantages compared to most of other ...
      • Determination of Pb using F3eO4 GO join to DPTH for ferrofluid based dispersive solid phase extraction 

        López-Guerrero, María del MarAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2018-10-26)
        In this work has been described a green and rapid method the synthesis of Fe3O4@GO nanospheres via chemical covalent bonding method. The Fe3O4@GO DPTH was applied to ferrofluid based dispersive solid phase extraction of ...
      • Development of a new method for preconcentration, chemical vapour generation and determination of metal ions by ICP OES in environmental samples using magnetic nanoparticles 

        López-Guerrero, María del MarAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2015-12-21)
        Silica-coated magnetic nanoparticles (MNP SCMNPs) modified with [1,5-bis (2-pyridyl)-3-sulphophenyl methylene] thiocarbonohydrazide were synthesized by a sol-gel method. These magnetic nanoparticles (PSTHmnp) were employed ...
      • Inductively coupled plasma mass spectrometry study of the retention behavior of arsenic on solid phase extraction and its application 

        López-Guerrero, María del MarAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2016-10-04)
        A rapid and easy method has been developed for separation, pre-concentration and determination of arsenic by flow injection solid phase extraction coupled with on-line chemical vapour generation inductively coupled plasma ...
      • Magnetic dispersive solid phase microextraction coupled with on-line chemical vapor generation method to extraction/preconcentration of mercury from environmental samples and determination by graphite furnace atomic absorption spectrometry. 

        García-Mesa, Juan Carlos; Montoro-Leal, Pablo; López-Guerrero, María del MarAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga[et al.] (2019-05-29)
        Mercury (Hg) is classified as priority hazardous substances. Concentrations found in the aquatic environment are at trace levels as result of natural processes, such as erosion and volcanism, and anthropogenic discharges ...
      • Optimization of the synthesis of functionalized magnetic nanoparticles and their characterization 

        Siles-Cordero, María TeresaAutoridad Universidad de Málaga; López-Guerrero, María del MarAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2015-12-21)
        Magnetic nanoparticles (MNPs), a new kind of nanometer-sized material, are widely used in the fields of biotechnology and biomedicine. These particles are superparamagnetic, which means that they are attracted to a magnetic ...
      • Optimization of the synthesis of magnetic nanoparticles by solid sampling high resolution continuum source graphite furnace atomic absorption spectrometry and multi-response surface methodology 

        Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; López-Guerrero, María del MarAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga (2016-10-04)
        Magnetic nanoparticles (MNPs) are a new kind of nanometer-sized materials superparamagnetic with potential applications as magnetic carries for various biomedical uses, wastewater remediation, preconcentration of various ...
      • Rapid magnetic microextraction to preconcentrate and determinate cadmium from environmental samples 

        Montoro-Leal, Pablo; García-Mesa, Juan Carlos; López-Guerrero, María del MarAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga[et al.] (2019-05-29)
        A novel and greener ultrasonically assisted/modified cloud point extraction procedure for the preconcentration and extraction of trace cadmium from environmental samples was developed. The sorbent material was fabricated ...
      • Semiautomatic method for the ultra-trace arsenic speciation in environmental and biological samples via magnetic solid phase extraction prior to HPLC-ICP-MS determination 

        Montoro-Leal, Pablo; García-Mesa, Juan Carlos; Morales-Benítez, Irene; García-de-Torres, AmparoAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga (Elsevier B.V., 2021)
        A novel magnetic functionalized material based on graphene oxide and magnetic nanoparticles (MGO) was used to develop a magnetic solid phase extraction method (MSPE) to enrich both, inorganic and organic arsenic species ...
      • Sequential determination of heavy metals in environmental water samples by flow injection-chemical vapour generation-inductively coupled plasma mass spectrometry 

        Sanchez, Irene; García-de-Torres, AmparoAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2013-12-19)
        The toxicity of “heavy metals” has been well recognized for a long time. Often the non-specific term “heavy metals” is used for three of the metals, cadmium, mercury and lead. These have large bioconcentration factors in ...
      • Sequential determination of traces of As, Sb and hg by on-line magnetic solid phase extraction coupled with Hr-Cs-Cvg-Gfaas 

        Cárdenas Valdivia, Abel; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; López-Guerrero, María del MarAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2017-09-21)
        A green and rapid method was developed for the simultaneous separation/preconcentration and sequential monitoring pf arsenic, antimony and mercury by flow injection magnetic solid phase extraction coupled with on-line ...
      • Simultaneous determination of PT, PD, RH and IR traces in environmental samples by flow injection solid phase extraction coupled with online inductively coupled plasma atomic emission spectroscopy (ICP-AES) 

        Calvo-Fornieles, Ana; García-de-Torres, AmparoAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2014-07-23)
        An increased worldwide usage of platinum group elements (PGEs) has been observed during the last twenty years due to their applications in areas such as chemical industry, metallurgy, jewelry production, dental devices, ...
      • Simultaneous determination of traces of PT, PD, OS, IR, RH, AG and AU by using magnetic nanoparticles solid phase extraction coupled with ICP OES 

        López-Guerrero, María del MarAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga (2017-09-21)
        The direct analysis of these target analytes is very limited being essential sample pre-treatment techniques and the use of very sensitive instrumental techniques to carry out determinations. The inductively coupled plasma ...
      • Solid sampling determination of ZnO nanoparticles in eyeshadows by graphite furnace atomic absorption spectrometry 

        García-Mesa, Juan Carlos; Montoro-Leal, Pablo; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; López-Guerrero, María del MarAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga[et al.] (2019-05-29)
        The application of nanoparticles (NPs) in science and technology is a fast growing field. Therefore, reliable and straightforward analytical methods are required for their fast determination in different types of samples. ...
      • Synthesis and characterization of a novel mesoporous silica funtionalized whith [1,5 bis (di-2-pyridyl) methylene thiocarbohydrazide] and its application as enrichment sorbent for determination of antimony by FI-HG-ETAAS 

        Siles-Cordero, María TeresaAutoridad Universidad de Málaga; López-Guerrero, María del MarAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga (2014-07-24)
        Antimony is an element of environmental concern due to its toxicity and biological effects and is therefore considered as a priority pollutant by the US Environmental Protection Agency (EPA). Dissolved antimony is present ...
      • Synthesis and characterization of a new nanosorbent based on functionalized magnetic nanoparticles and its use in the determination of mercury by FI-CV-ETAAS 

        Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga (2015-07-20)
        In this work, a new chelating sorbent which employs 1,5-bis(di-2-pyridil)methylene thiocarbohydrazide as the functional group and magnetic nanoparticles (MNPs) as its support (DPTH-MNP) was synthetized and characterized. ...
      • Synthesis of a new functionalized mesoporous silica for determination of antimony by flow injection solid phase extracton coupled with on line hydride generation ETAAS. 

        López-Guerrero, María del MarAutoridad Universidad de Málaga; Siles-Cordero, María TeresaAutoridad Universidad de Málaga; García-de-Torres, AmparoAutoridad Universidad de Málaga; Cano-Pavón, José ManuelAutoridad Universidad de Málaga; Vereda-Alonso, Elisa IsabelAutoridad Universidad de Málaga (2013-12-19)
        A chelating resin, [1,5 bis(di-2-pyridyl) methylene thiocarbohydrazide] bonded to mesoporous silica (DPTH-ms), has been used as a novel solid phase extractant. This resin has some advantages compared to most of other ...
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA