- RIUMA Principal
- Investigación
- Química Analítica - (QA)
- QA - Contribuciones a congresos científicos
- Listar QA - Contribuciones a congresos científicos por autor
Listar QA - Contribuciones a congresos científicos por autor "Laserna-Vázquez, José Javier"
Mostrando ítems 21-40 de 55
-
Femtosecond laser ablation: as fun as it gets
Vadillo-Pérez, José Miguel; Carrasco-García, Irene María; Manzoor, Sadia; Laserna-Vázquez, José Javier (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. -
Femtosecond time-resolved phase-change microscopy and ablation threshold calculations to understand ultrafast laser ablation
Carrasco-García, Irene María; López-Claros, Marina; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2016-09-28)El trabajo recoge experimentos realizados en una configuración sonda-prueba haciendo uso de un láser de femtosegundos, con el objetivo de comprender los fenómenos de ablación de materiales sólidos ras irradiación con láseres ... -
From the sea bottom to the red planet with laser-induced breakdown spectroscopy
Laserna-Vázquez, José Javier (2016-03-04)Laser-induced breakdown spectroscopy (LIBS) constitutes one of the most active research fields in analytical science. Among several important features, ability for adaptation to radically different scenarios constitutes ... -
Hyperspectral LIBS imaging of single-optically trapped particles
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 ... -
Insights on the acting role of Martian atmosphere in the fragmentation pathways of organic and C-containing inorganic compounds using LIBS
Delgado-Pérez, Tomás; Mora, Rocío; García, Laura; Cabalín-Robles, Luisa María; Laserna-Vázquez, José Javier (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
Vadillo-Pérez, José Miguel; Medina, Samara; Laserna-Vázquez, José Javier (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
Manzoor, Sadia; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (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
García-Gómez, Laura; Delgado-Pérez, Tomás; Fortes-Roman, Francisco Javier; Laserna-Vázquez, José Javier; Cabalín-Robles, Luisa María; Del Rosal Padial, Yolanda Remedios; Lucena, Patricia[et al.] (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.
Vadillo-Pérez, José Miguel; Moros-Portolés, Javier; Laserna-Vázquez, José Javier; Marzo Pérez, Asier (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
Manzoor, Sadia; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (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
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
Laserna-Vázquez, José Javier (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
Laserna-Vázquez, José Javier; Moros-Portolés, Javier; Álvarez-Llamas, César; Purohit, Pablo; Angel, S.M.; Bernardi, P.; Bousquet, O.; Cadu, A.; Chide, B.; Clavé, E.; Clegg, S.; Dauson, E.; Forni, O.; Fouchet, T.; Gasnault, O.; Jacob, X.; Lacombe, G.; Lanza, N.L.; Larmat, C.; Lasue, J.; Lorenz, R.D.; Meslin, P. - Y.; Montmessin, F.; Murdoch, N.; Ollila, A.M.; Pilleri, P.; Reyes-Newell, A. L.; Schroder, S.; Stott, A.; Cate, J. Ten; Vogt, D.; Maurice, S.; Wiens, R.C.; Mimoun, D.[et al.] (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
Laserna-Vázquez, José Javier (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
Moros-Portolés, Javier; Maza, David; Soto, Aintaze; Cabalín-Robles, Luisa María; Laserna-Vázquez, José Javier (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
Laserna-Vázquez, José Javier (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
López-Claros, Marina; Fortes-Roman, Francisco Javier; Laserna-Vázquez, José Javier; Guirado, Salvador (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
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
Laserna-Vázquez, José Javier (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 ... -
Multielemental analysis in nanoplasmas of isolated particles in an optical trap
Laserna-Vázquez, José Javier (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 ...