QA - Contribuciones a congresos científicos
Envíos recientes
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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 ... -
New methodologies to improve the chemistry learning at University, the use of Flipped Classroom
(2019-09-04)The use of ICT could be interesting for students to increase the participation, motivation and learning about sciences. Chemistry is considerated as very difficult subject. The objective was to carry out a new didactic ... -
New methodologies to improve the chemistry learning at University
(2019-09-04)The main objective was to improve the learning of Chemistry subject using Flipped classroom, because it makes class time more engaging. The lecture portion of General Chemistry courses in engineers degrees have been pushed ... -
Detección de compuestos orgánicos mediante LIBS en rocas de interés en exploración planetaria. Aplicaciones en Astrobiología
(2019-07-24)La integración de instrumentos LIBS en misiones de exploración planetaria es una realidad desde hace ya unos años, siendo una tecnología conducente a la obtención de información multielemental en las distintas rocas y ... -
Nanoparticle research and the chemistry in laser-induced plasmas for space exploration and astrobiology
(2019-07-23)Laser-induced breakdown spectroscopy is one the areas of analytical spectroscopy receiving a broadest interest. An increased understanding of the underlying phenomena occurring in the plasma and the use of new experimental ... -
Rapid Magnetic Dispersive solid phase extraction to preconcentration/determination of Cd and Pb in aqueous samples
(2019-07-11)A new magnetic dispersive solid phase extraction (MDSPE) method and graphite furnace atomic absorption spectrometry (GFAAS) have been combined for the analysis of Cd and Pb in environmental samples. For the preconcentration, ... -
Solid sampling determination of ZnO nanoparticles in eyeshadows by graphite furnace atomic absorption spectrometry
(2019-05-29)The application of nanoparticles (NPs) in science and technology is a fast growing field. Therefore, reliable and straightforward analytical methods are required for their fast determination in different types of samples. ... -
“Education Network” a new way to teach Chemistry
(2019-05-29)The complexity of chemistry has implications for the teaching of chemistry. That chemistry is a very complex subject. The majority of the students at University think that chemistry is a difficult discipline and they have ... -
“Zombie attack” a new way to teach Chemistry
(2019-05-29)The Higher Education requires new models which allow training people able to adapt and survive in changing environments. It is based on the use of technologies and the adaptation of knowledge to people. It is about an ... -
Rapid magnetic microextraction to preconcentrate and determinate cadmium from environmental samples
(2019-05-29)A novel and greener ultrasonically assisted/modified cloud point extraction procedure for the preconcentration and extraction of trace cadmium from environmental samples was developed. The sorbent material was fabricated ... -
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 ... -
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 ... -
Determination of Pb using F3eO4 GO join to DPTH for ferrofluid based dispersive solid phase extraction
(2018-10-26)In this work has been described a green and rapid method the synthesis of Fe3O4@GO nanospheres via chemical covalent bonding method. The Fe3O4@GO DPTH was applied to ferrofluid based dispersive solid phase extraction of ... -
Caracterización “in-situ” de aerosoles en entornos industriales agresivos mediante libs a distancia
(2018-10-16)Este trabajo se ha centrado en evaluar las posibilidades analíticas de detección “in situ” de aerosoles sólidos generados durante la fabricación de acero, así como en la determinación de su composición elemental, Con este ... -
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 ... -
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 ...