Listar QA - Contribuciones a congresos científicos por título
Mostrando ítems 54-73 de 119
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Inductively coupled plasma mass spectrometry study of the retention behavior of arsenic on solid phase extraction and its application
(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 ... -
Insights on the acting role of Martian atmosphere in the fragmentation pathways of organic and C-containing inorganic compounds using LIBS
(2018-07-20)In the present work, a preliminary fundamental study about the influence of background gas in Martian surface conditions (CO2, P=7 mbar) on the formation of emitting species in laser-induced plasmas of ablated C-containing ... -
Laser ionization mass spectrometry is not the poor man`s ICPMS
(2016-09-28)Laser ionization mass spectrometry includes in a broad sense, any laser-based technique capable of generating ions by the direct action of a pulsed laser over a solid sample. Over a certain laser energy, LIMS allows the ... -
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 ... -
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 ... -
Laser-induced breakdown spectroscopy of samples of astrochemical interest handled as individual particles by means of non-inertial acoustic confinement.
(2023)The present communication will show experiments performed with an acoustic levitator capable of trapping individual solid particles of different sizes (preferably in the range between 0.1 - 5 mm), shapes, and chemical ... -
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. -
Laser-Induced Plasma Spectroscopy Of Organic Compounds: Understanding Fragmentation Processes Using Ion-Photon Coincidence Measurements
(2013)Comunicación enviada a la 8th Euromditerranean Conference on Laser Induced Breakdown Spectroscopy, presentada en forma de charla oral -
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 ... -
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 ... -
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 ... -
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 ... -
LIBS detection of atoms and molecules in nanoplasmas of levitated particles
(2018-11-09)Single particle characterization still constitutes a challenge to contemporary chemical analysis. Considerable effort worldwide is being devoted to conceive experimental strategies providing detection capabilities compatible ... -
Libs in cultural heritage: recognition and identification of objects in an underwater archaeological shipwreck
(2016)Nowadays, one of the most important areas of interest in archeology is the characterization of the submersed cultural heritage. Mediterranean Sea is rich in archaeological findings due to storms, accidents and naval battles ... -
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 ... -
LIBS spectroscopy meets the ocean. Chemical analysis of archeological materials in Mediterranean waters
(2015-09-02)After decades of development in laboratories and land operations, chemical analysis of submerged objects is starting to become a reality. While the analysis of water at variable depth has been demonstrated in the past using ... -
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.
(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 ... -
Meaningful learning through gamification in the Chemistry course at various degrees of the University of Malaga: The use of the escape room as gamification activity
(2024)Chemistry is considered highly complex by students. To achieve meaningful learning, it is necessary to demonstrate its utility in everyday life, in the development of a country, and in society. Learning becomes meaningful ... -
Motivation to learn Chemistry in massive open online courses
(2018-07-31)One of the key factors for any educational proposal to achieve success lies in the motivation of students. The disposition that the students have before the learning is fundamental to be able to obtain the objectives. MOOC ... -
Multielemental analysis in nanoplasmas of isolated particles in an optical trap
(2018-07-02)Single particle characterization still constitutes a challenge to contemporary chemical analysis. Considerable effort worldwide is being devoted to conceive experimental strategies providing detection capabilities compatible ...