Química Analítica - (QA): Envíos recientes
Mostrando ítems 1-20 de 188
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Addressing Chemophobia through Gamification in University-Level Chemistry Education.
López-Guerrero, María del Mar
; López Guerrero, Gema; Bertolo Pardo, María Emilia; González-Rodríguez, José (2024)
Chemophobia poses a significant challenge in university-level chemistry courses, influencing students' perceptions and engagement with the subject matter. It can create barriers to learning and participation, hindering ... -
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 ... -
On-The-Flight trapping, LIBS analysis and discrimination of single meteorite particles generated by laser ablation
Burgos-Palop, Clara; Fortes-Román, Francisco Javier; Purohit Pacheco, Pablo; Delgado-Pérez, Tomás; Laserna-Vázquez, José Javier (Elsevier, 2024)
Results: Bulk meteorite samples were directly ablated within an ablation cell. From few micrograms of ablated matrix, we originated dry aerosols consisting of multielemental particles which were representative of the sample ... -
Analytical methodologies for the determination of cisplatin
Espinosa-Bosch, Maria; Ruiz-Sánchez, Antonio Jesús; Sánchez-Rojas, María Fuensanta; Bosch-Ojeda, Catalina (ScienceDirect, 2008-07-15)
cis-Diamminedichloroplatinum(II) (cisplatin) is a important chemotherapeutic drug for cancer treatment since 1978. Unfortunately, because of the severe side-effects like nephrotoxicity, ototoxicity, etc., they are administered ... -
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 ... -
Role of minor determinants of amoxicillin in the diagnosis of immediate allergic reactions to amoxicillin.
Background: Skin testing of subjects with immediate hypersensitivity to amoxicillin is performed using major and minor determinants of benzylpenicillin plus amoxicillin. However, sensitivity is not optimal, and other ... -
Cation template assisted oligoethylene glycol desymmetrization by intramolecular Cannizzaro reaction of topologically remote aldehydes.
Ruiz-Sanchez, Antonio Jesus; Vida-Pol, Yolanda; Suau Suárez, Rafael; Pérez-de-Inestrosa-Villatoro, Ezequiel (Elsevier, 2008)
Oligoethylene glycol chains containing 2–5 ethylene glycol units, and possessing a benzyl alcohol and a benzoic acid end groups, can be quantitatively obtained by intramolecular Cannizzaro reaction of the corresponding ... -
Dendrimer-Modified Solid Supports: Nanostructured Materials with Potential Drug Allergy Diagnostic Applications
Ruiz-Sanchez, Antonio Jesus; Montañez-Vega, María Isabel; Nájera-Albendín, Francisco; Vida-Pol, Yolanda; Pérez-de-Inestrosa-Villatoro, Ezequiel (CURRENT MEDICINAL CHEMISTRY, 2012)
Complex functional materials consisting of bioactive molecules immobilized on solid supports present potential applications in biosensoring. Advances in the fabrication of these surface materials are of growing interest ... -
Recent Development in Optical Fiber Biosensors
Ruiz-Sanchez, Antonio Jesus; Sánchez-Rojas, María Fuensanta; Bosch-Ojeda, Catalina; Espinosa-Bosch, Maria (MDPI, 2007)
Remarkable developments can be seen in the field of optical fibre biosensors in the last decade. More sensors for specific analytes have been reported, novel sensing chemistries or transduction principles have been introduced, ... -
Geochemical Analysis of Ronda Peridotite: Insights into Martian Analogues and Alteration Processes.
García-Gómez, Laura; Laserna-Vázquez, José Javier; Delgado-Pérez, Tomás; Cabalín-Robles, Luisa María; Velasquez, Marizú; Población, Iraxte; Porizka, P.; Buday, J.; Fortes-Román, Francisco Javier; Lobato-Fernández, Álvaro[et al.] (2024)
In the context of the geochemical characterization of potential Martian analogues on Earth, a peridotite sample from Serranía de Ronda (Málaga, Spain) was analyzed. The peridotites of Ronda are distinguished by the prevalent ... -
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 ... -
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 ... -
Synthesis and characterization of novel magnetic nanomaterials for the determination of the species of environmental and/or biological interest.
(UMA Editorial, 2024)Introducción Un objetivo esencial para los químicos analíticos es la determinación del analito con alta exactitud y precisión en muestras reales. Para resolver esta problemática, la nanotecnología se ha implementado con ... -
Detection of indigenous organic matter in rocks from the interpretation of carbon molecular forms in the laser-induced plasma
García-Gómez, Laura; Delgado-Pérez, Tomás; Fortes-Román, Francisco Javier; Cabalín-Robles, Luisa María; Laserna-Vázquez, José Javier (Elsevier, 2024-01-19)
Detection of indigenous organic matter (IOM) in rocks using molecular-laser-induced breakdown spectroscopy (LIBS) is reported. IOM refers to carbon-based compounds of variable complexity intimately associated with mineral ... -
Size-dependent synergetic seeding effects in the inspection of airborne dry nanoaerosols by LIBS.
Purohit, Pablo; Fortes-Román, Francisco Javier; Malegiannaki, I.; Jaime-Fernández, Lourdes; Laserna-Vázquez, José Javier (Elsevier, 2021-11-18)
In the present paper, confined dry Cu nanoaerosols of controlled particle size are inspected under a time-resolved LIBS scheme to explore the effect of laser-particulate matter interaction upon the detection capability of ... -
Atomization efficiency and photon yield in laser-induced breakdown spectroscopy analysis of single nanoparticles in an optical trap.
Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (Elsevier, 2017-02-16)
Laser-induced breakdown spectroscopy (LIBS) was employed for investigating the influence of particle size on the dissociation efficiency and the absolute production of photons per mass unit of airborne solid graphite spheres ... -
Spectral identification in the attogram regime through laser-induced emission of single optically-trapped nanoparticles in air.
Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (Wiley-VCH, 2017-09-06)
Current trends in nanoengineering are bringing along new structures of diverse chemical compositions that need to be meticulously defined in order to ensure their correct operation. Few methods can provide the sensitivity ... -
Sub-femtogram simultaneous elemental detection in multicomponent nanomatrices using laser-induced plasma emission spectroscopy within atmospheric pressure optical traps.
Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (American Chemical Society, 2019-05-10)
Simultaneous detection of multiple constituents in the characterization of state-of-the-art nanomaterials is an elusive topic to a majority of the analytical techniques covering the field of nanotechnology. Optical catapulting ... -
Optical trapping as a morphologically selective tool for in-situ LIBS elemental characterization of single nanoparticles generated by laser ablation of bulk targets in air
Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (American Chemical Society, 2021-01-05)
In the present work, authors introduce a shape-specific methodology for evaluating the full elemental composition of single micro and nanoparticles fabricated by laser ablation of bulk targets. For this purpose, bronze ... -
Discriminating organic carbon from endokarstic moonmilk-type deposits by LIBS. The case of a natural carbonated Martian analogue
Delgado-Pérez, Tomás; García-Gómez, Laura; Fortes-Román, Francisco Javier; Cabalín-Robles, Luisa María; Liñán-Baena, Cristina; Vadillo-Pérez, Iñaki; Jiménez-Gavilán, Pablo; Ojeda, Lucía; Laserna-Vázquez, José Javier[et al.] (Elsevier, 2024-01-06)
Moonmilk-type deposits exemplify carbonated Martian analogues existing in the subsurface of Earth, an endokarstic speleothem with a possible biochemical origin composed principally by carbonates, mainly huntite and dolomite. ...