Listar Química Analítica - (QA) por fecha de publicación
Mostrando ítems 21-40 de 194
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Chemical analysis of archaeological material underwater by laser-induced breakdown
Guirado-Hidalgo, Salvador
; Fortes-Román, Francisco Javier; Metzinger, Aniko; Laserna-Vázquez, José Javier (2014-07-01)
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 ... -
Chemical analysis of archaeological material underwater by laser-induced breakdown
Guirado, Salvador; Fortes-Román, Francisco Javier; Metzinger, Aniko; Laserna-Vázquez, José Javier (2014-07-11)
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 ... -
Differential laser-matter interaction in the ablation of solid samples with laser pulses in the interval between 35 fs – 4 ps.
López-Claros, Marina; Carrasco-García, Irene María; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2014-07-16)
Our communication is focused on the influence of the pulse width in the laser-matter interaction during laser ablation of solid materials. The experiments were performed with an 80 MHz, 100 nJ, 400 fs Ti-Saphire oscillator, ... -
Using computer animation simulation in chemistry in order to solve students´ misinterpretations and misconceptions about oxidation-reduction reactions.
López-Guerrero, María del Mar (2014-07-22)
1. Introduction – Chemical education researches have recognized that students often have difficulty learning chemistry concepts, and have proposed several suggestions as to the reasons for this difficulty, including frequent ... -
Characterization of Laser-Induced Plasmas Of Organic Compounds by spatially- and temporally resolved optical emission spectrometry
López-Claros, Marina; Purhoit, Pablo; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2014-07-22)
The large majority of laser-induced plasmas experiments are performed on metals in air at atmospheric pressure, where recombination mechanisms do not play a significant role, as the primary emission lines of interest are ... -
Simultaneous determination of PT, PD, RH and IR traces in environmental samples by flow injection solid phase extraction coupled with online inductively coupled plasma atomic emission spectroscopy (ICP-AES)
Calvo-Fornieles, Ana; García-de-Torres, Amparo; Vereda-Alonso, Elisa Isabel; Cano-Pavón, José Manuel (2014-07-23)
An increased worldwide usage of platinum group elements (PGEs) has been observed during the last twenty years due to their applications in areas such as chemical industry, metallurgy, jewelry production, dental devices, ... -
Synthesis and characterization of a novel mesoporous silica funtionalized whith [1,5 bis (di-2-pyridyl) methylene thiocarbohydrazide] and its application as enrichment sorbent for determination of antimony by FI-HG-ETAAS
Siles-Cordero, María Teresa; López-Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel; García-de-Torres, Amparo; Cano-Pavón, José Manuel (2014-07-24)
Antimony is an element of environmental concern due to its toxicity and biological effects and is therefore considered as a priority pollutant by the US Environmental Protection Agency (EPA). Dissolved antimony is present ... -
Time-resolved laser-induced phase change microscopy: understanding laser-matter effects at the femtosecond scale
LA comunicación describe el desarrollo instrumental y las aplicaciones con un microscopio de cambio de fase con resolución de femtosegundos que se ha puesto a punto en el LAboratorio LAser de la UMA -
Using a periodic table multimedia in order to simplify a new universal language, the chemical language
López-Guerrero, María del Mar; López Guerrero, Gema (2014-11-17)
There is a little bit analogy between chemistry and foreign languages. Most languages have different alphabets for each one. In order to learn a second language, one needs to know the new symbols. In chemical language, ... -
Espectroscopía Láser oceánica: la última frontera
Laserna-Vázquez, José Javier (2014-11-18)
Después de varios años de investigación de la interfase sólido-agua, el Laboratorio Láser de la Universidad de Málaga ha desarrollado la tecnología integrada LIBS-Raman en una plataforma de análisis submarino. La espectroscopia ... -
Tecnología LIBS Subacuática. Investigación, Desarrollo y Aplicación al Estudio de Materiales Arqueológicos Sumergidos
(Servicio de Publicaciones y Divulgación Científica, 2015)Para estudiar, proteger y conservar los bienes sumergidos es necesario avanzar decididamente en la localización, identificación y evaluación del patrimonio arqueológico subacuático, manteniendo intacto, en la medida de lo ... -
Compatibility and stability of hyoscine n-butyl bromide and furosemide admixtures for use in palliative care
In order to avoid separate injections, admixtures of drugs are frequently used in palliative care settings. There are different factors that can influence the compatibility and stability of the mixture: drug type, ... -
Synthesis of all-aliphatic polyamide dendrimers based on a 3,3′-diaminopivalic acid scaffold.
Ruiz-Sánchez, Antonio Jesús; Mesa-Antúnez, Pablo; Barbero, Nekane; Collado-Martín, Daniel; Vida-Pol, Yolanda; Nájera-Albendín, Francisco; Pérez-de-Inestrosa-Villatoro, Ezequiel[et al.] (RSC publication, 2015-03-09)
Over recent years the importance of dendrimers has continued to increase in both life and material sciences. Multiple chemical strategies have been described toward the preparation of dendrimeric structures. Here, we present ... -
Análisis forense mediante técnicas espectroscópicas
García-Ruiz, Carmen Rosa (2015-05-14)
La comunicación resume la importancia del análisis químico en la investigación criminalística actual, centrándose en la importancia de las técnicas forenses espectroscópicas -
Sistemas analíticos miniaturizados integración de sistemas microelectrónicos con sensores químicos
(2015-05-21)La charla resume los aspectos técnicos y aplicados más relevantes de la integración de dispositivos microelectrónicos y microfluídicos con objeto de miniaturizar las medidas químicas en los laboratorios. -
Using ITC in order to improve chemistry learning at the university degrees.
Introduction. The teaching of chemistry has several difficulties for several reasons: the lack of interest and motivation in students and little connection between the curriculum of compulsory education and university. ... -
Synthesis and characterization of a new nanosorbent based on functionalized magnetic nanoparticles and its use in the determination of mercury by FI-CV-ETAAS
Vereda-Alonso, Elisa Isabel; Siles-Cordero, María Teresa; Cano-Pavón, José Manuel; García-de-Torres, Amparo (2015-07-20)
In this work, a new chelating sorbent which employs 1,5-bis(di-2-pyridil)methylene thiocarbohydrazide as the functional group and magnetic nanoparticles (MNPs) as its support (DPTH-MNP) was synthetized and characterized. ... -
Use of a new enrichment nanosorbent for speciation of mercury by FI-CV-ICP-MS
Sánchez-Trujillo, Irene; Vereda-Alonso, Elisa Isabel; Cano-Pavón, José Manuel; García-de-Torres, Amparo (2015-07-20)
Mercury is one of the most toxic environmental pollutants and its effects on human and ecosystem health are well known. All mercury species are toxic, with organic mercury compounds generally being more toxic than inorganic ... -
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 ... -
Fs-Time Resolved Microscopy as a tool for monitoring laser-matter interaction
(2015-09-03)Femtosecond laser pulses provides the advantage in comparison with longer pulses that there is no interaction between laser and plasma. Moreover, the applied energy is deposited in much less time than nanosecond pulses, ...