Visualitza per autoria "34e75892-2ff9-49e8-8fbc-5477ba5be383"
Ara mostrant els elements 1-20 d 27
-
An Innovative Project to Strengthen and Improve the Knowledge Acquisition in the Degree in Chemistry Using e-Learning Tools
Esteve-Romero, Josep; Vives-Peris, Vicente; Albiol Chiva, Jaume; Carda-Broch, Samuel; Ruiz Ángel, M. J.; Esteve-Amorós, Mar; Yusá-Marco, Dolores; Doménech-Carbó, Maria Teresa; Esteve-Amorós, Pau; Bose, Devasish; Durgbanshi, Abhilasha IATED Academy (2018-07-02)The subject "Chemistry II (QU910)" is taught at first academic year (second semester) of the Degree in Chemistry at the University Jaume I. Some of its specific and general competencies are selflearning and writing and ... -
Analysis of basic drugs by liquid chromatography with environmentally friendly mobile phases in pharmaceutical formulations
Peris García, Ester; Ruiz Ángel, M. J.; Carda-Broch, Samuel; García-Álvarez Coque, M. C. Elsevier (2017)Basic drugs are positively charged in the usual working pH (2–8) in reversed-phase liquid chromatography. This gives rise to a strong association with the residual ionized silanols in conventional silica-based stationary ... -
Application of the good laboratory practice to the chemistry laboratory in engineering grades
Esteve-Romero, Josep; Vives-Peris, Vicente; Carda-Broch, Samuel; Ruiz Ángel, M. J.; Albiol Chiva, Jaume; Esteve-Amorós, Mar IATED Academy (2016-03-07)The Good Laboratory Practice (GLP) is a set or rules, operating procedures and practices which indicate the best way to manage and organize the laboratory. They also provide recommendations about how the experimental ... -
Are analysts doing method validation in liquid chromatography?
Ruiz Ángel, M. J.; García Álvarez-Coque, M. C.; Berthod, A.; Carda-Broch, Samuel (2015-06-22)Method validation is being applied in the reported analytical methods for decades. Even before this protocol was defined, authors already somehow validated their methods without full awareness. They wished to assure the ... -
Chromatographic Efficiency in Micellar Liquid Chromatography: Should it Be Still a Topic of Concern?
Ruiz Ángel, M. J.; Carda-Broch, Samuel; García Álvarez-Coque, M. C. Taylor & Francis (2013)Micellar liquid chromatography (MLC) was first proposed as an attractive alternative to avoid the use of organic solvents. It was soon apparent that pure micellar solutions yield poor efficiencies. This problem was remediated ... -
Comparación de las guias docentes de la asignatura "Química" impartida en varios grados en la Universidad Jaume I
Vives-Peris, Vicente; Carda-Broch, Samuel; Ruiz Ángel, M. J.; Esteve-Romero, Josep Publicacions de la Universitat Jaume I (2015-11-12)En el presente trabajo se presenta una comparación de las guías docentes de asignaturas de Química impartidas en el primer curso académico del Grado en Química y en varios Grados de Ingeniería (Agroalimentaria y del Medio ... -
Comparison of the course syllabus of the theory subject "Chemistry" in chemistry grade and in engineering studies
Esteve-Romero, Josep; Vives-Peris, Vicente; Albiol Chiva, Jaume; Carda-Broch, Samuel; Ruiz Ángel, M. J.; Esteve-Amorós, Mar IATED Academy (2016-03-07)The aim of the chemistry-related subjects, taught in the first academic year of several grades at the University Jaume I, is to provide a broad overview about general chemistry. However, these defined subjects are adapted ... -
Countercurrent chromatography: People and applications
Berthod, A.; Ruiz Ángel, M. J.; Carda-Broch, Samuel Elsevier (2009)The scientific literature was scanned for the published research articles dealing with countercurrent chromatography (CCC) over the time period 1980-May 2008. The search returned 1638 articles that were analyzed focussing ... -
Design of the laboratory script by the students in chemistry practicals: Analysis of water
Carda-Broch, Samuel; Esteve-Romero, Josep; Vives-Peris, Vicente; Albiol Chiva, Jaume; Esteve-Amorós, Mar; Ruiz Ángel, M. J.; Doménech-Carbó, Maria Teresa; Yusá-Marco, Dolores IATED Academy (2018-03-05)The laboratory practices during the Degree in Chemistry are currently designed so that the student must learn and execute a fully developed experimental protocol, previously written up by the professor, which contains all ... -
Effect of buffer nature and concentration on the chromatographic performance of basic compounds in the absence and presence of 1-hexyl-3-methylimidazolium chloride
Peris García, Ester; García-Alvarez-Coque, María Celia; Carda-Broch, Samuel; Ruiz Ángel, M. J. Elsevier (2019-07-02)In reversed-phase liquid chromatography, the performance for basic compounds is affected by the interaction of the protonated (cationic) species with the anionic free silanols on the alkyl-bonded stationary phases. Using ... -
Extent of the influence of phosphate buffer and ionic liquids on the reduction of the silanol effect in a C18 stationary phase
Carda-Broch, Samuel; García-Álvarez Coque, M. C.; Ruiz Ángel, M. J. Elsevier (2017-06)The presence of anionic free silanols in the silica-based stationary phases gives rise to broad and asymmetrical peaks when cationic basic compounds are chromatographed using hydro-organic mobile phases. The addition to ... -
Half-width plots, a simple tool to predict peak shape, reveal column kinetics and characterise chromatographic columns in liquid chromatography: State of the art and new results
Baeza Baeza, J. J.; Ruiz Ángel, M. J.; García Álvarez-Coque, M. C.; Carda-Broch, Samuel Elsevier (2013-11)Peak profiles in chromatography are characterised by their height, position, width and asymmetry; the two latter depend on the values of the left and right peak half-widths. Simple correlations have been found between the ... -
High submicellar liquid chromatography
Ruiz Ángel, M. J.; Carda-Broch, Samuel; García Álvarez-Coque, M. C. Taylor & Francis (2014-07)Surfactant addition above the critical micellar concentration (CMC), in reversed-phase liquid chromatography (RPLC), was proposed as a way to modify the selectivity and analysis time, giving rise to a chromatographic mode ... -
Hydrophobicity of ionisable compounds studied by countercurrent chromatography.
Carda-Broch, Samuel; Ruiz Ángel, M. J.; Levet, A.; Berthod, A. © 2011 Elsevier (2011-09)Countercurrent chromatography (CCC) is a liquid chromatography technique in which the stationary phase is also a liquid. The main chemical process involved in solute separation is partitioning between the two immiscible ... -
Implantación de las buenas prácticas de laboratorio en la asignatura "Química para las Ingenierias" en la Universitat Jaume I
Vives-Peris, Vicente; Carda-Broch, Samuel; Ruiz Ángel, M. J.; Esteve-Romero, Josep Publicacions de la Universitat Jaume I (2015-11-12)En el presente artículo, se detalla la implementación de las Buenas Prácticas de Laboratorio (BPL) en el laboratorio de la asignatura «Química para las Ingenierías» (EX1006), impartida en varios grados de ingeniería ... -
Implementation of Computer Assisted Experimental Work in Analytical Chemistry Laboratory Teaching
Albiol Chiva, Jaume; Vives-Peris, Vicente; Ruiz Ángel, M. J.; Esteve-Amorós, Mar; Carda-Broch, Samuel; Esteve-Amorós, Pau; Esteve-Amorós, Estel·la; Kassuha, Diego; Esteve-Romero, Josep Universitat Politècnica de València (2019-06-26)Computer-Assisted Experimental Work (CAEW) consists in the incorporation of computer-connected apparatus in the laboratory. This is a new insight into teaching of Classical Analytical Chemistry, wherein the experiments are ... -
Ionic liquids in separation techniques
Berthod, A.; Ruiz Ángel, M. J.; Carda-Broch, Samuel Elsevier (2008)The growing interest in ionic liquids (ILs) has resulted in an exponentially increasing production of analytical applications. The potential of ILs in chemistry is related to their unique properties as non-molecular solvents: ... -
Management of diversity in master classroom: an increasing challenge for science education in valencian universities
Carda-Broch, Samuel; Esteve-Romero, Josep; Vives-Peris, Vicente; Albiol Chiva, Jaume; Esteve-Amorós, Mar; Ruiz Ángel, M. J.; Doménech-Carbó, Maria Teresa; Yusá-Marco, Dolores IATED Academy (2018-03-05)Currently, many foreign students study a Master degree at the Valencian Universities. We can find students, which have immigrated to Spain in the recent years, and then have partially or fully follow the Spanish curricula ... -
Modulation of retention and selectivity in oil-in-water microemulsion liquid chromatography: A review
Pankajkumar-Patel, N.; Peris García, Ester; Ruiz Ángel, M. J.; Carda-Broch, Samuel; García-Álvarez Coque, M. C. Elsevier (2019-05)Microemulsions (MEs) are stable, isotropically clear solutions consisting of an oil and water stabilized by a surfactant and a co-surfactant. Oil-in-water microemuslion liquid chromatography (MELC) is a relatively new ... -
On the use of ionic liquids as mobile phase additives in high-performance liquid chromatography. A review
García-Álvarez Coque, M. C.; Ruiz Ángel, M. J.; Berthod, A.; Carda-Broch, Samuel Elsevier (2015-07-07)The popularity of ionic liquids (ILs) has grown during the last decades in several analytical separation techniques. Consequently, the number of reports devoted to the applications of ILs is still increasing. This review ...