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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Advances, challenges and future perspectives in microsampling-based bioanalysis
(2022-05-11)There is a growing interest in the design, development and implementation of miniaturised approaches for the determination of prescription drugs, drugs of abuse, doping agents, metabolites and biomarkers in biological ... -
Dime quien ha sido! : El arte de la trazabilidad de explosivos en Ciencias forenses
(2022-05-09)El uso de explosivos para perpetrar ataques de índole terrorista se ha convertido en el tipo más común de acción a la hora de crear el caos entre la población civil y las fuerzas de seguridad. Con el tiempo, no solo ha ... -
Sensitive determination of mercury by magnetic dispersive solid-phase extraction combined with flow-injection-cold vapour-graphite furnace atomic absorption spectrometry
(Royal Society of Chemistry, 2021-03-31)Mercury is a non-essential trace element that is toxic to humans due to the bioaccumulation effect. In this work, a ferrofluid based on Fe3O4@graphene oxide nanospheres together with an ionic liquid was used to develop a ... -
Stand-off LIBS in space exploration. New facility for the simulation of different planetary conditions
(2021-12)The availability of facilities capable of simulating extraterrestrial environments represents a need in today's planetary research to design, simulate and optimize those experiments carried out outside of Earth1,2. A thermal ... -
Searching for Biosignatures in Mars by LIBS Molecular Signals Discernment
(2021)In the present study, LIBS analysis of a set of six selected molecules related to organic biosignatures -or their degradation compounds- have been carried out in both simulated Martian atmosphere and air in order to identify ... -
Laser-induced breakdown spectroscopy of cyanobacteria in carbonate matrices under simulated Martian environment
(2021)The finding on the Martian surface of hydrated salt minerals, like carbonates and sulphates, and their interpretation as deriving from the desiccation of old bodies of water, has provided an evidence of liquid water activity ... -
LIBS combined with a decision tree-based algorithm: an analytical tandem for sorting of waste refractories used in steelmaking industries
(2021)Refractories are materials that can withstand high temperatures and maintain their mechanical functions and properties during long time, even in contact with corrosive liquids or gases. These materials are indispensable ... -
Building an Escape Room Online as a training or didactical tool
(2021)Everyone will agree on the usefulness of an Escape Room Online as a playful tool. The escape room as a play gives you a good time connected with a group of friends or family, solving puzzles, immersed in a suitable setting ... -
LIBS and acoustics correlated. Towards an improved strategy for rocks and minerals identification
(2021)The SuperCam instrument of the NASA MARS 2020 rover combines a suite of atomic and molecular spectroscopies intended for an extensive description of rock, soils and minerals in the surroundings of the landing site of the ... -
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 ...