QA - Contribuciones a congresos científicos: Envíos recientes
Mostrando ítems 21-40 de 119
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Understanding The Correlation Of Libs And Acoustic Measurements Of Rocks And Soils Found In The Traverse Of The Perseverance Rover Across The Jezero Crater, Mars
(2022)The SuperCam instrument of the NASA MARS 2020 Perseverance rover combines a suite of atomic and molecular spectroscopies intended for an extensive description of rocks, soils and minerals in the surroundings of the landing ... -
Simultaneous enrichment of inorganic and organic species of lead, mercury and vanadium via magnetic solid phase extraction prior to HPLC-ICP-MS determination using a new functionalized patented nanomaterial
(X NyNA 2022, 2022-09)A novel magnetic functionalized nanomaterial based on graphene oxide and magnetic nanoparticles (MGO) was prepared and characterized by several spectroscopic and imaging techniques. This material was packed in a magnetic ... -
Novel molecularly imprinted impedimetric biosensor based on polypyrrole and decorated graphene oxide for the routine monitoring of Lysozyme
(EuChem2022, 2022-09)In this work, a novel molecularly imprinted polymer based on polypyrrole (PPy) and decorated graphene oxide (GO@Fe3O4) was developed for the sensitive detection of lysozyme (LYS). The synthesized material (MIPPy/GO@Fe3O4) ... -
New methodologies to characterize ZnO nanoparticles in cosmetic samples
(2022-08-29)In recent years, based on their good properties as solar radiation filters and antibacterial agent, the use of zinc nanoparticles (ZnO NPs) in cosmetic industry has been increased. According to the literature, the potential ... -
LIBS and Acoustic Measurements of Rocks and Regolith Found in the Traverse of the Perseverance Rover Across the Jezero Crater, Mars
(2022)The SuperCam instrument of the NASA MARS 2020 Perseverance rover combines a suite of atomic and molecular spectroscopies intended for an extensive description of rocks, soils and minerals in the surroundings of the landing ... -
Searching for Biosignatures in Mars by Differentiation of LIBS Molecular Signals
(2022)If there was life in the past on the Red Planet, specific biosignatures might still be present only if preservation conditions have been favourable for them [1]. The recognition of the habitable past on Mars increases the ... -
Phosphorus remediation using a new magnetic system in aqueous samples
(2022-08)Phosphorus is a natural element that can be found in soils and aquatic ecosystems. Its presence over the recommended concentration, damages the hydrosphere equilibrium, through eutrophication. Consequently, there is a ... -
Síntesis y aplicación de un nuevo nanomaterial magnético para la especiación online de cromo en muestras acuosas
(2022-07)En este trabajo, se ha desarrollado un nuevo método de doble reactor para el análisis y especiación de cantidades traza de iones Cr (III)/Cr (VI) en muestras ambientales que combina la extracción magnética en fase sólida ... -
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 ... -
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 ...