QA - Contribuciones a congresos científicos
Envíos recientes
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Development of an on-line MSPE-ICP-OES method for the preconcentration and speciation of Cr(III)/Cr(VI) in aqueous samples
(2021-01-08)In this work, a new double-reactor method for the analysis and speciation of trace amounts of Cr(III)/Cr(VI) ions in environmental samples has been developed combining on-line magnetic solid phase extraction (MSPE) with ... -
Semiautomatic method for the ultra-trace arsenic speciation in environmental waters via magnetic solid phase extraction prior to HPLC-ICP-MS determination
(2021-01-08)A new magnetic functionalized material based on graphene oxide magnetic nanoparticles (MGO) was designed and characterized in order to develop a magnetic solid phase extraction method (MSPE) to enrich both inorganic and ... -
Determination of mercury in sea waters by magnetic dispersive solid phase extraction prior to quantitation by FI-CV-GFAAS
(2021-01-08)Mercury is a non-essential trace element that is toxic to humans due to the bioaccumulation effect. In this work, a shell structured Fe3O4@graphene oxide nanospheres were used to develop a magnetic dispersive solid phase ... -
LIBS molecular signals in martian atmosphere as a tool in the search for biosignatures
(2020-10-06)LIBS spectra acquisition of a set of selected organic molecules related to biosignatures or their degradation compounds have been carried out in Martian atmosphere by simulating planetary exploration conditions. The study ... -
Laser-induced breakdown spectroscopy with laser pulses in the interval between 35 fs – 4 ps
(2020-09-02)This works presents the laser ablation studies for metals such as Chromium, Titanium, Iron and Copper by ultrashort laser pulses under pulse-width from 35 fs to 4 ps. -
Hyperspectral LIBS imaging of single-optically trapped particles
(2020-07-29)The interaction between discrete particles with laser-induced plasma presents some complexities that directly affects the analysis of bulk aerosols by LIBS. Single-particle analysis is not exempt of this kind of phenomena ... -
El juego de rol como estrategia didáctica para la práctica de la argumentación en un contexto socio-científico con estudiantes de ciencias.
(2020-07-20)Este trabajo resume los resultados obtenidos tras realizar una actividad de “Juego de Rol”, incluida en un programa formativo para desarrollar la capacidad de argumentación científica, con estudiantes de primer curso de ... -
Compatibility and stability of ondansetron and midazolam mixtures used in palliative care
(2020-05-28)Background and importance Different factors can influence the compatibility and stability of the mixture: drug type, concentration, solvent, container, temperature and light. There are some mixtures of drugs with proven ... -
The use of flipped classroom to learn a new language at the University
(2020-03-30)The Flipped Classroom model consists on a type of blended learning that reverses the traditional learning environment by delivering instructional content outside of the classroom and usually on line. Most descriptions of ... -
Analisis Forense de incendios: de la escena del crimen al juzgado
(2019-12-10)El análisis forense de fuego es un área compleja que involucra a una serie de profesionales que va desde brigadas de incendios, ingenieros, químicos e investigadores de la escena del crimen. La dinámica del fuego, como se ... -
LIBS analysis of individual nanoparticles: attogram detection limits in optical traps
(2019-10-21)LIBS ANALYSIS OF INDIVIDUAL NANOPARTICLES: ATTOGRAM DETECTION LIMITS IN OPTICAL J. Laserna* Department of Analytical Chemistry, University of Malaga, Malaga, Spain *laserna@uma.es Single particle characterization ... -
Polydispersity and fractionation in laser ablation studied by LIBS in an optical trap
(2019-09-23)LIBS characterization of aerosols produced by laser ablation of bulk samples is strongly influenced by variations of physicohemical properties of the elements integrating the matrix. Among the consequences of these changes ... -
Femtosecond laser ablation: as fun as it gets
(2019-09-20)The talk will provide an overview of differentexperiments performed on solid samples under femtosecond irradiation (800-nm, 35-fs) above the plasma formation threshold. -
Laser-induced breakdown spectrometry with laser pulses in femtoseconds to picoseconds regime and their influence on ablation quality
(2019-09-20)The communication is focused on the influence of the pulse width, ranging from femtosecond to picosecond, on the laser – matter interaction during laser ablation of solid materials. Modifications in the stretcher-compressor ... -
Considerations on the formation mechanisms of emitting species from organic and carbon-containing inorganic compounds in CO2 atmosphere using LIBS
(2019-09-19)Integration of LIBS instruments in the rover used for planetary exploration in an attempt to get multi-elemental information from rocks, minerals, and soils is a reality. Its great effectiveness has been demonstrated in ... -
New methodologies to improve the chemistry learning at University, the use of Flipped Classroom
(2019-09-04)The use of ICT could be interesting for students to increase the participation, motivation and learning about sciences. Chemistry is considerated as very difficult subject. The objective was to carry out a new didactic ... -
New methodologies to improve the chemistry learning at University
(2019-09-04)The main objective was to improve the learning of Chemistry subject using Flipped classroom, because it makes class time more engaging. The lecture portion of General Chemistry courses in engineers degrees have been pushed ... -
Detección de compuestos orgánicos mediante LIBS en rocas de interés en exploración planetaria. Aplicaciones en Astrobiología
(2019-07-24)La integración de instrumentos LIBS en misiones de exploración planetaria es una realidad desde hace ya unos años, siendo una tecnología conducente a la obtención de información multielemental en las distintas rocas y ... -
Nanoparticle research and the chemistry in laser-induced plasmas for space exploration and astrobiology
(2019-07-23)Laser-induced breakdown spectroscopy is one the areas of analytical spectroscopy receiving a broadest interest. An increased understanding of the underlying phenomena occurring in the plasma and the use of new experimental ... -
Rapid Magnetic Dispersive solid phase extraction to preconcentration/determination of Cd and Pb in aqueous samples
(2019-07-11)A new magnetic dispersive solid phase extraction (MDSPE) method and graphite furnace atomic absorption spectrometry (GFAAS) have been combined for the analysis of Cd and Pb in environmental samples. For the preconcentration, ...