Listar por autor "Vereda-Alonso, Elisa Isabel"
Mostrando ítems 1-20 de 58
-
A Molecularly Imprinted Polypyrrole/GO@Fe3O4 Nanocomposite Modified Impedimetric Sensor for the Routine Monitoring of Lysozyme
Montoro-Leal, Pablo; Morales Frías, Isaac Aarón; Vereda-Alonso, Elisa Isabel
; Errachid, Abdelhamid; Jaffrezic-Renault, Nicole (IOAP-MPDI, 2022-09-05)
Lysozyme (LYS) applications encompass anti-bacterial activity, analgesic, and anti-inflammatory effects. In this work, a porous framework that was based on the polymerization of pyrrole (PPy) in the presence of multi-functional ... -
A novel material for Sb speciation in aqueous samples.
Morales-Benítez, Irene; García-Mesa, Juan Carlos; Montoro-Leal, Pablo; López-Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel (2023)
In this work, a new double-reactor method for the analysis and speciation of trace amounts of SbIII/SbV in environmental samples has been developed combining online magnetic solid phase extraction (MSPE) with graphite ... -
Antimony remediation using a new magnetic system in potable aqueous samples.
López-Guerrero, María del Mar; Sánchez-Trujillo, Irene; Morales-Benítez, Irene; García-Mesa, Juan Carlos; Vereda-Alonso, Elisa Isabel (2023)
Heavy metals are serious pollutants because of their toxicity, persistence, and non-degradability in the environment. Sb is easily accumulated in organism and will cause deleterious effects on human beings when the content ... -
Application of a sorbent based on graphene oxide modified with magnetic nanoparticles for the separation of organic contaminants in wastewater.
Martínez Piernas, Ana B.; Cruz Soto, Alba M.; Sánchez-Trujillo, Irene; López-Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel (Sociedad Española de Química Analítica, 2024)
These advantages have been further extended through the functionalization of GO with magnetic nanoparticles (MNPs), resulting in sorbents with enhanced stability and durability. Furthermore, the easy separation of GO-MNP-based ... -
Arsenic remediation using a new magnetic system in potable aqueous samples.
Sánchez-Trujillo, Irene; López-Guerrero, María del Mar; Vázquez‑Palomo, Laura; Vereda-Alonso, Elisa Isabel (2023)
Arsenic, one of the main environmental pollutants and potent natural poison, is a chemical element that is spread throughout the Earth's crust. It is well known that the toxicity of arsenic is highly dependent on its ... -
Calculate content of vitamin C in a pharmaceutical compound. PBL used as a strategy to make easy to learn chemistry at university.
In Project-Based Learning, teacher transmits to the students the contents that the curriculum marks, helping to motivate them and awaken their concerns about the previous knowledge. This way of working intends that students ... -
Characterization of solid magnetic nanoparticles by high resolution continuum source electrothermal atomic absorption spectrometry (HR-CS-ETAAS)
Vereda-Alonso, Elisa Isabel; López-Guerrero, María del Mar; Siles-Cordero, María Teresa; Cano-Pavón, José Manuel; García-de-Torres, Amparo (2015-12-21)
Nanometer-sized materials have attracted substantial interest in the scientific community because they offer a highly active surface area to volume ratio enable them to have a wide range of potential applications because ... -
Cold vapour generation electrothermal atomic absorption spectrometry and solid phase extraction based on a new nanosorbent for sensitive HG determination in environmental samples (sea water and river water)
Vereda-Alonso, Elisa Isabel; Siles-Cordero, María Teresa; López-Guerrero, María del Mar; García-de-Torres, Amparo; Cano-Pavón, José Manuel (2016-07-07)
Mercury is not an essential element for plant or animal life and it is a potential environmental toxic because of its tendency to form covalent bonds with organic molecules and the high stability of the Hg-C bond. Reports ... -
Desarrollo de un método de determinación multielemental para muestras medioambientales por espectrometría de absorción atómica
Vázquez-Palomo, L.; García-Mesa, Juan Carlos; Montoro-Leal, Pablo; Morales-Benítez, Irene; Sánchez Trujillo, I; López Guerrero, M.M.; Vereda-Alonso, Elisa Isabel[et al.] (2022)
La contaminación ambiental es una gran preocupación para el ser humano, siendo los metales de transición y sus derivados los contaminantes más destacables del planeta, por ello es importante su control. La concentración ... -
Determinación secuencial de CH3Hg y Hg mediante vapor frío-inyección en flujo-ICP-MS
Sánchez-Trujillo, Irene; Vereda-Alonso, Elisa Isabel; García-de-Torres, Amparo; Cano-Pavón, José Manuel (Sociedad Española de Química Analítica (SEQA), 2013)
El mercurio es uno de los contaminantes ambientales más importantes y sus efectos tóxicos se conocen desde hace siglos. Todas las especies de mercurio son tóxicas, aunque generalmente lo son más los compuestos orgánicos ... -
Determination of mercury by flow injection solid phase extraction coupled with on-line hydride generation ETAAS using as solid phase extractant a new functionalized mesoporous silica
López-Guerrero, María del Mar; Siles-Cordero, María Teresa; Vereda-Alonso, Elisa Isabel; García-de-Torres, Amparo; Cano-Pavón, José Manuel (Sociedad Española de Química Analítica (SEQA), 2013)
A chelating resin, [1,5 bis(di-2-pyridyl) methylene thiocarbohydrazide] bonded to mesoporous silica (DPTH-ms), has been used as a novel solid phase extractant. This resin has some advantages compared to most of other ... -
Determination of mercury in sea waters by magnetic dispersive solid phase extraction prior to quantitation by FI-CV-GFAAS
García-Mesa, Juan Carlos; Montoro-Leal, Pablo; Maireles-Rivas, Silvia; López-Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel (2021-01-08)
Mercury is a non-essential trace element that is toxic to humans due to the bioaccumulation effect. In this work, a shell structured Fe3O4@graphene oxide nanospheres were used to develop a magnetic dispersive solid phase ... -
Determination of Pb using F3eO4 GO join to DPTH for ferrofluid based dispersive solid phase extraction
López-Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel; Siles-Cordero, María Teresa; García-de-Torres, Amparo; Cano-Pavón, José Manuel (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 ... -
Development of a new method for preconcentration, chemical vapour generation and determination of metal ions by ICP OES in environmental samples using magnetic nanoparticles
López-Guerrero, María del Mar; Siles-Cordero, María Teresa; Vereda-Alonso, Elisa Isabel; García-de-Torres, Amparo; Cano-Pavón, José Manuel (2015-12-21)
Silica-coated magnetic nanoparticles (MNP SCMNPs) modified with [1,5-bis (2-pyridyl)-3-sulphophenyl methylene] thiocarbonohydrazide were synthesized by a sol-gel method. These magnetic nanoparticles (PSTHmnp) were employed ... -
Development of an on-line MSPE-ICP-OES method for the preconcentration and speciation of Cr(III)/Cr(VI) in aqueous samples
Morales-Benítez, Irene; García-Mesa, Juan Carlos; Montoro-Leal, Pablo; López-Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel (2021-01-08)
In this work, a new double-reactor method for the analysis and speciation of trace amounts of Cr(III)/Cr(VI) ions in environmental samples has been developed combining on-line magnetic solid phase extraction (MSPE) with ... -
Development of new strategies for direct determination, or using preconcentration, of species with environmental or industrial interest in solid samples or in solution.
(UMA Editorial, 2024)En los últimos años, se ha experimentado una revolución en las ciencias analíticas gracias al desarrollo de la Nanociencia y la Nanotecnología (N&N). Estas dos disciplinas explican conceptos relacionados con materiales y ... -
Difficulty of Chemistry concepts. How to make easy the learning. Gamification
López Guerrero, María del Mar; Santacruz-Cruz, María Isabel; Infantes-Molina, Antonia; Bertolo Pardo, María Emilia; Bentabol-Manzanares, María José; Gómez-de-la-Torre, María de los Ángeles; Vereda-Alonso, Elisa Isabel; Moreno-Oliva, María; Moreno-Tost, Ramón; González Rodríguez, José[et al.] (2022)
Chemistry is considered highly complex by students. To achieve meaningful learning, it is necessary to show its usefulness in daily life, in the development of a country and a society. Learning will be significant when the ... -
Direct solid sampling for speciation of Zn2+ and ZnO nanoparticles in cosmetics by graphite furnace atomic absorption spectrometry
García-Mesa, Juan Carlos; Montoro-Leal, Pablo; Rodríguez-Moreno, Andrés; López Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel (Elsevier, 2021)
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. ... -
Extraction, preconcentration and determination of arsenic in drinking water by HR GFAAS.
Doblado Onieva, Álvaro; Morales-Benítez, Irene; Sánchez-Trujillo, Irene; Vereda-Alonso, Elisa Isabel; López-Guerrero, María del Mar (2024)
Heavy metals, such as arsenic, are major environmental pollutants with significant adverse effects on human health and the ecosystem. Arsenic, in its various chemical forms, is widely distributed due to industrial and ... -
Green chemistry: advancing planetary phosphorus sustainability through the synergy of graphene oxide modified with magnetic nanoparticles (M@GO) for extracting tertiary effluent phosphorus in sewage treatment plants.
Muñoz-Garcia, Andrea; Montoro-Leal, Pablo; López-Guerrero, María del Mar; Vereda-Alonso, Carlos; Vereda-Alonso, Elisa Isabel (Royal Society of Chemistry, 2024-04-12)
Securing the enduring sustainability of global phosphorus (P) utilization has become a key societal priority. The application of green chemistry and green engineering presents an opportunity to mitigate these challenges ...