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Raman spectroscopy as a versatile tool to study organic biradicals
(2019-07-05)Since -conjugated organic molecules were probed as potential semiconducting materials, suitable for replacing the widely used silicon technologies, their structural, optical and conductive properties have been under study ... -
Raman spectroscopy as a versatile tool to study organic biradicals
(2018-10-02)In recent years, there has been a renewed interest in the study of open-shell polycyclic aromatic hydrocarbons (PAHs). Among them, biradicals are characterized by a four states energetic model for the low lying electronic ... -
Raman spectroscopy meets organic biradicals. Study of a new diindeno [B,I] anthracene derivative
(2017)In recent years, there has been a renewed interest in the study of open-shell polycyclic aromatic hydrocarbons (PAHs). Among them, biradicals exhibit attractive electronic, magnetic and optical properties which ... -
Raman Spectroscopy on Plasmonic Materials: Recent Advances and Applications in Molecular detection
(2019-03-26)Plasmonic Enhancement of the electric field is the basis of the Surface-enhanced Raman Scattering technique (SERS). This technique is based on the localization of light in the nanoscale occurring in plasmonic materials and ... -
Raman Study of the Stability of Biomolecules on Lichens After Space - and Mars Like Conditions: Mission Ground Reference (MGR) Samples
(2019-09-24)The main objectives of BIOMEX [1,2] project are, on the one hand, to analyze the resistance of terrestrial extremophiles to survive in outer space and in Mars-like environment, and on the other hand, to deep into the ... -
Raman, SERS and DFT study of chemically-adsorbed thiobenzoic acid on silver nanoparticles
(2014-03-27)Thiocarboxylic acids are organosulphur compounds with general formula RC(O)SH. They are related to carboxylic acids by the replacement of one oxygen by sulphur. Two tautomers are possible, written as RC(S)OH and RC(O)SH. ... -
Ramón Pérez de Ayala y las novelas de 1902: ruptura modernista y renovación literaria
(Analecta Malacitana, 2013-12-31)Se destacan las contribuciones que Pérez de Ayala realizó con respecto a la renovación novelística de inicios del siglo XX, y la deuda que toda la narrativa de su primera época creativa tiene con respecto al cambio ... -
Random Errors in Broadband Characterization of the Propagation Constant of Transmission Lines Using Multiple Two-Port Measurements
(IEEE Access, 2021)In this work, a comparison between three broadband methods used to estimate the propagation constant of planar transmission lines is presented. The goal of this comparison is to study how possible random measurement ... -
Random samples generation with Stata from continuous and discrete distributions
(2018-03-12)Simulations are nowadays a very important way of analyzing new improvements in different areas before the physical implementation, which may require hard resources which could only be affronted in case of a high probability ... -
Randomness and control in design processes: an empirical study with architecture students.
(2014-02-12)The aim of this study is to explore designers' preferences between randomness and control in the generation of architectural forms. To this end, a generative computer tool was implemented that allows both random and ... -
Ranking y engagement de los influencers en Twitter según su género y sector de actividad.
(2023)El engagament en Twitter es un concepto complejo que se puede medir a través de distintas métricas y depender de varias variables. En concreto, en este trabajo se analiza la relación que la temática abordada por los ... -
Los rankings universitarios: bondades y patologías
(2016-04-06)Descripción de la metodología de los distintos rankings, tanto nacionales como internacionales y análisis de la posición de las universidades españolas en estos rankings, mostrando las luces y las sombras de los mismos. -
Ranunculus bupleuroides subsp. cherubicus Sáncez Rodríguez, Elías & Martín Marcos (Ranunculaceae) en la Sierra de Gredos (Sistema Central, España)
(Universidad de Málaga. Servicio de Publicaciones, 2014) -
Ranura de Banda Ancha en Doble T Sobre Cavidad para Arrays Alimentados en Serie
(2019-09-16)A previous radiating element for series-fed arrays proposed by the authors and based on a Cavity-Backed Slot (CBS) is modified to improve its bandwidth. In order to do that, the slot is modified to reduce its resonance ... -
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, ... -
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 ... -
Rapid scan FTIR reveals propane (am)oxidation mechanisms over vanadium based catalysts.
(Elsevier, 2020-08-06)Rapid scan FTIR coupled with Mass Spectrometry (MS) has been used to determine the role of spectroscopically observed species in the reaction media during propane dehydrogenation over a V/Al catalyst, and propane ammoxidation ... -
Rapid synthesis of MCM-41 and SBA-15 by microwave irradiation: promising adsorbents for CO2 adsorption
(Elsevier, 2022-12-31)It is known that the world scenario is one of constant search for sustainable technologies that can reduce the emission of carbon dioxide (CO2) in the atmosphere. This is because CO2 is seen as the main responsible for the ... -
Rasgos geomorfológicos de los paisajes del Parque Natural y Sierras Subbéticas: morfologías de relieve y geositios.
(2023)El Parque Natural Sierras Subbéticas (provincia de Córdoba, España) fue declarado como geoparque de la Red Europea y Mundial de Geoparques y de la UNESCO en 2006 y 2015, respectivamente, debido a su riqueza en fósiles del ... -
Rasgos y tipologías de los bulos difundidos sobre la vacuna del COVID-19
(2021)El fenómeno de la desinformación ha supuesto en los últimos meses un problema no solo para el sector periodístico, sino también para la sociedad y el ámbito sanitario. La difusión indiscriminada de fake news vinculadas ...