Química Analítica - (QA)
Estas son las colecciones en las que puede catalogar la producción investigadora del departamento Química Analítica. Si considera que ninguna de estas se ajusta a su material pida una nueva colección en la sección de sugerencias.
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Semiautomatic method for the ultra-trace arsenic speciation in environmental and biological samples via magnetic solid phase extraction prior to HPLC-ICP-MS determination
(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 ... -
The history of a surface in a single laser shot: from ultrafast carriers excitation to plasma emission, fading, and beyond
(UMA Editorial, 2021-03-02)Laser ablation is currently a powerful tool in a wide range of aplications, concerning from removing several atoms from a surface to mechanical drilling. Despite all this applications are described by complex physico-chemical ... -
Development of a laser-based analytical platform for the LIBS inspection of individual nanoparticles within an atmospheric pressure optical trap
(UMA Editoria, 2021-02-02)En esta tesis doctoral se presenta un sensor basado en LIBS como técnica de inspección para la caracterización de nanopartículas individuales. El cuerpo de este trabajo se divide en cuatro capítulos en los que se recoge, ... -
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 ... -
PBL based on chemistry laboratories at engineering degree
(2020-10-05)Until now, the didactics used in the teaching of experimental chemistry contradicts its objective by continuing with a traditional approach and with passive didactic methods for students. Even, in virtual environments, ... -
Compatibilidad y estabilidad físico-química de mezclas de medicamentos en infusores para vía subcutánea suceptibles de ser utilizadas en pacientes de cuidados paliativos en Andalucía
(UMA Editorial, 2020-09-04)La utilización de la vía subcutánea para la administración de medicamentos en Cuidados Paliativos es una vía muy interesante cuando la vía oral no está disponible. El empleo de infusores para la perfusión continua permite ... -
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 ...