Listar por autor "Lopez-Ramirez, Maria Rosa"
Mostrando ítems 1-17 de 17
-
Analyzing the Electrochemical Interaction of the Angiogenesis Inhibitor Batimastat by Surface-Enhanced Raman Spectroscopy
Pięta, Ewa; Paluszkiewicz, Czesława; M. Kwiatek, Wojciech; Lopez-Ramirez, Maria Rosa
(IOAP-MDPI, 2023-02-10)
This is the first work to describe the vibrational properties of the anticancer drug batimastat (BB-94) as an inhibitor of extracellular matrix metalloproteinase with a broad spectrum of activity. In addition, the adsorption ... -
Comparative Study of p-Aminothiophenol Adsorption by Surface-Enhanced Raman Spectroscopy
Lopez-Ramirez, Maria Rosa; Fernández, María de la Cabeza; Alvear-Fernández, Alexis; Contreras-Cáceres, Rafael (2023-03-28)
The organic compound p-aminothiophenol (PATP, HS-Ph-NH2) has become very popular for checking the enhancement capability of novel substrates due to its very intense SERS spectra. SERS of PATP on metal nanoparticles is ... -
Detection of different species of p-aminothiophenol on silver nanoparticles by Surface-Enhanced Raman Spectroscopy (SERS)
Lopez-Ramirez, Maria Rosa (2018-04-06)
In the present work we have analyzed the experimental and theoretical SERS spectra of the organic compound p-aminothiophenol (pATP, HS-Ph-NH2) recorded on silver nanoparticles. DFT calculations have been performed to support ... -
Effect of graphene substrate on the SERS Spectra of Aromatic bifunctional molecules on metal nanoparticles
Lopez-Ramirez, Maria Rosa; Castro, Jose Luis; Arenas, J.F.; Soto-Martin, Juan; Otero, J.C. (2016-06-27)
The design of molecular sensors plays a very important role within nanotechnology and especially in the development of different devices for biomedical applications. Biosensors can be classified according to various ... -
Experiencias de una red docente: aprendizaje significativo en ciencias y tecnología mediante gamificación
Grande-Perez, Ana; Lopez-Ramirez, Maria Rosa; Bejar-Alvarado, Julia; Viguera-Minguez, Enrique; Thode Mayoral, Guillermo; Gonzalez Parada, Eva; Fernández-Madrigal, Juan Antonio; Urdiales, Cristina[et al.] (2019-07-16)
En el aprendizaje de los contenidos de materias científico-técnicas es especialmente importante la motivación del estudiante mediante referencias y ejercicios de casos reales donde se trata de reducir la memorización de ... -
Fundamentals and Applications of Surface-Enhanced Raman Spectroscopy (SERS)
Lopez-Ramirez, Maria Rosa; Otero-Fernandez-de-Molina, Juan Carlos; Soto-Martin, Juan; Castro, Jose Luis; Arenas, Juan F. (2019-05-16)
When a molecule is adsorbed on some metallic nanostructured surfaces such as silver, copper or gold, it can undergo an enormous enhancement of the Raman signal giving rise to the so called Surface-Enhanced Raman Scattering ... -
Highly effective SERS nanopattern substrate. The enhancement is demonstrated using thiophenol as a molecular probe
Lopez-Ramirez, Maria Rosa; Guerrero, A.R.; Castro, Jose Luis; Otero-Fernandez-de-Molina, Juan Carlos; Aroca, R.F. (2014-07-31)
The number of different types of Surface-enhanced Raman Scattering (SERS) substrates available for experimentation is increasing at high speed. New alternatives are introduced and explored every year in the literature ... -
Iniciación a la espectroscopía de meteoros dentro de la Red de Detección de la Universidad de Málaga y de la Sociedad Malagueña de Astronomía
Castellon-Serrano, Alberto; Lopez-Ramirez, Maria Rosa (2021-10-11)
Se describe el método seguido para obtener espectros de meteoros con la estación de El Torcal incluida en la Red de Bólidos y Meteros UMA/SMA y el proceso de análisis de los mismos. -
Insight of lichens as ideal models for astrobiological studies analyzed by Raman spectroscopy
Lopez-Ramirez, Maria Rosa; Sancho, L.G.; de Vera, J. P.; Baqué, M.; Rabbow, E.; Martínez-Frías, J.; de la Torre Noetzel, R.[et al.] (2022)
Exposure experiments of different species to space conditions are essential because real space conditions with different radiation sources like ionizing radiation, UV-radiation, X-rays, gamma-ray from even galactic radiation, ... -
Modeling the effect of the electrode potential in SERS by electronic structure calculations.
Avila-Ferrer, Francisco Jose; Aranda Ruiz, Daniel; Roman-Perez, Jessica; Lopez-Ramirez, Maria Rosa; López-Tocón, Isabel; Arenas, Juan Francisco; Otero-Fernandez-de-Molina, Juan Carlos; Soto-Martin, Juan[et al.] (2018-07-18)
Surface Enhanced Raman Spectroscopy (SERS), due to the ability of greatly intensify the weak Raman signal of molecules adsorbed to metal surfaces, has proven to be a very useful tool to investigate changes in the electronic ... -
Raman Study of the Stability of Biomolecules on Lichens After Space - and Mars Like Conditions: Mission Ground Reference (MGR) Samples
Lopez-Ramirez, Maria Rosa (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
Lopez-Ramirez, Maria Rosa; Arenas, Juan Francisco; Otero-Fernandez-de-Molina, Juan Carlos; Castro, Jose Luis (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. ... -
SERS study of different species of p-aminothiophenol adsorbed on silver nanoparticles
Lopez-Ramirez, Maria Rosa; Avila-Ferrer, Francisco Jose; Otero-Fernandez-de-Molina, Juan Carlos; Soto-Martin, Juan (2018-06-01)
In the present work we have focused the discussion on the experimental and theoretical SERS spectra of the organic compound pATP recorded on silver colloids. The huge SERS of pATP on metal substrates is significantly ... -
SERS study of thiocarbonyl compounds adsorbed on metal nanoparticles
Otero, JC; Castro, Jose Luis; Lopez-Ramirez, Maria Rosa; Roman-Perez, Jessica (2015-06-03)
Thiocarbonyl compounds have been reported to exhibit interesting biological and pharmacological properties but they are many often characterized by their toxicological effects. However the chemistry of thiobenzoic acid ... -
Surface-Enhanced Raman spectroscopy of thiobenzoic acid on metal nanoparticles
Lopez-Ramirez, Maria Rosa; Arenas, Juan Francisco; Otero-Fernandez-de-Molina, Juan Carlos; Castro, Jose Luis (2014-07-31)
Molecules adsorbed on some metal surfaces such as silver, copper and gold, can exhibit enormous Surface-enhanced Raman Scattering (SERS). The SERS effect has historically been associated with substrate roughness on two ... -
The effect of concentration on the Surface-Enhanced Raman Scattering of p-Aminothiophenol
Lopez-Ramirez, Maria Rosa (2017-07-26)
The organic compound p-aminothiophenol (pATP, HS-Ph-NH2) has become very popular because it is often used for checking the enhancement capability of each new SERS substrate due to its very intense SERS spectra. SERS of ... -
Theoretical and experimental SERS study of thiocarbonyl compounds adsorbed on metal nanoparticles
Castro, Jose Luis; Roman-Perez, Jessica; Otero, J. C.; Lopez-Ramirez, Maria Rosa (2015-06-18)
Thiocarbonyl compounds have been reported to exhibit interesting biological and pharmacological properties but they are many often characterized by their toxicological effects. However the chemistry of thiobenzoic acid ...