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Listar QA - Contribuciones a congresos científicos por autor "López-Guerrero, María del Mar"
Mostrando ítems 1-20 de 44
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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 ... -
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 ... -
Building an Escape Room Online as a training or didactical tool
Everyone will agree on the usefulness of an Escape Room Online as a playful tool. The escape room as a play gives you a good time connected with a group of friends or family, solving puzzles, immersed in a suitable setting ... -
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 ... -
Chemical language, a language that you need to know if you want to learn Chemistry
López-Guerrero, María del Mar; López Guerrero, Gema (2017-10-11)There is a little bit analogy between chemistry and foreign languages. One reason why people find Chemistry as a language is because of the orthography, the systematic way it is written. In order to learn a second language, ... -
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 ... -
Como hacer interesante la Química a los alumnos/as del Grado de Ingeniería Mecánica. Uso de las TIC para favorecer el aprendizaje de los conceptos más difíciles desde el punto de vista de los estudiantes.
Rojano-Ramos, Santiago; López-Guerrero, María del Mar (2016-09-07)Los profesores de Química en la Universidad se encuentran con el problema del escaso interés que, en general, tienen los alumnos/as por esta materia, y sobre todo, los de las titulaciones de Ingeniería que se manifiesta, ... -
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 ... -
“Education Network” a new way to teach Chemistry
Gómez-de-la-Torre, María de los Ángeles; Infantes-Molina, Antonia; López-Guerrero, María del Mar; Moreno-Tost, Ramón; Moreno-Oliva, María; Ponce-Ortiz, Rocío; Ruiz-Delgado, María del Carmen; Santacruz-Cruz, María Isabel[et al.] (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 ... -
Estudio de la formación del profesorado de primaria para el uso de las nuevas tecnologías de la información y la comunicación.
La sociedad actual se encuentra inmersa en una serie de cambios y como tal, esos cambios están afectando a la comunidad educativa. Para poder hacer frente a estos avances, la formación del profesorado se convierte en el ... -
How to teach chemistry? Is Chemistry a new universal language
López-Guerrero, María del Mar; López Guerrero, Gema (2015-09-24)Chemistry has been developed greatly throughout the 20th century. Chemistry is included in the curriculum of elementary and secondary education. In general, students are not interested in science, and because ... -
Inductively coupled plasma mass spectrometry study of the retention behavior of arsenic on solid phase extraction and its application
López-Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel; Siles-Cordero, María Teresa; García-de-Torres, Amparo; Cano-Pavón, José Manuel (2016-10-04)A rapid and easy method has been developed for separation, pre-concentration and determination of arsenic by flow injection solid phase extraction coupled with on-line chemical vapour generation inductively coupled plasma ... -
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.
García-Mesa, Juan Carlos; Montoro-Leal, Pablo; López-Guerrero, María del Mar; Siles-Cordero, María Teresa; Vereda-Alonso, Elisa Isabel; García-de-Torres, Amparo; Cano-Pavón, José Manuel[et al.] (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 ... -
Meaningful learning through gamification in the Chemistry course at various degrees of the University of Malaga: The use of the escape room as gamification activity
López-Guerrero, María del Mar; Moreno-Oliva, María; Santacruz-Cruz, María Isabel; Bertolo Pardo, María Emilia (2024)Chemistry is considered highly complex by students. To achieve meaningful learning, it is necessary to demonstrate its utility in everyday life, in the development of a country, and in society. Learning becomes meaningful ...