Articles publicats en revistes: Envíos recientes
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An online course to teach ATD research praxeologies: The ICMI awardees multimedia online resources
(Educaçao Matemática Pesquisa. Vol.22, n.4 (2020) p.301-308, 2020)We present some of the main elements of a project of Multimedia Online Resource addressed to international researchers willing to be initiated in the ATD. The project was launched by the executive ... -
Inquiry based mathematics education and the development of learning trajectories
(Teaching Mathematics and Computer Science. Vol.18, n.3 (2020) p.63-89, 2020)This article is based on the panel on inquiry based mathematics education and the development of learning trajectories held at the VARGA 100 Conference. After an introduction presenting the theme and ... -
Reference epistemological model: what form and function in school institutions?
(Educaçao Matemática Pesquisa. Vol.22, n.4 (2020) p.240-249, 2020)Many teaching problems are related with the lack in the school institutions of epistemological tools to design, manage and evaluate study processes. We propose to include within these tools the ... -
La profesionalización docente en la modalidad online y la implementación de los REI: aciertos y desafíos
(Educação Matemática Pesquisa. Vol.22, n.4 (2020) p.772-786, 2020)La profesionalización docente en la modalidad online se ha venido conformando como una oportunidad de formación para los profesores de matemáticas en servicio. El Programa de Matemática Educativa del ... -
Impact of low stocking densities shrimp farm effluents in water quality of a tropical coastal wetland
(Afinidad. Vol.77, n.589 (2020), p.53-62, 2020-03)The effects of shrimp aquaculture on the water quality of the Jiquilisco Bay (El Salvador) was evaluated for small-scale shrimp farming with low stocking densities (≤ 12 shrimps/m2). Two sites were ... -
Women managers in tourism: associations for building a sustainable world
(Tourism Management Perspectives, 2021, Vol. 38 (April), article 100820, 2021-05-08)Women are strongly represented in the tourism workforce, albeit mainly in low-level, precarious positions. In management or on board of directors, on the other hand, women are seriously underrepresented. ... -
Una visión moderna sobre la desactivación de cetonas aromáticas por beta-fenilos
(Afinidad. Vol.73, n.574 (2016), p.90-95, 2016-04)La desactivación por beta fenilos (en inglés, Beta Phenyl Quenching o BPQ) es una reacción que se produce a partir del estado triplete de cetonas aromáticas con un grupo fenilo en posición beta. Esta ... -
Two-component systems of mycobacterium tuberculosis as potential targets for drug development
(Afinidad. Vol.71, n.567 (2014), p.172-178, 2014-07)Tuberculosis, caused by Mycobacterium tuberculosis, is a global health problem with approximately two million deaths every year. Furthermore, up to one-third of the world population is infected with ... -
Bioactivity evaluation of commercial calcium phosphate-based bioceramics for bone regeneration
(Afinidad. Vol.73, n.575 (2016), p.170-174, 2016-07)Calcium phosphate-based bioceramics constitute a great promise for bone tissue engineering as they chemically resemble to mammalian bone and teeth. Their use is a viable alternative for bone regeneration ... -
Application of flow cytometry analysis to elucidate the impact of scale-down conditions in Escherichia coli cultivations
(Afinidad. Vol.73, n.573 (2016), p.7-15, 2016-01)In homogeneities appear in large-scale fed-batch bioprocesses; especially when the distribution of the feeding solution and of the oxygen is uneven. In order to study the consequences of these heterogenic ... -
Industria farmacéutica 4.0
(Pharmatech. N.42 (marzo-abril 2019), p.79-82, 2019-03)La implantación de las tecnologías de la industria 4.0 va a producir grandes cambios en la industria química y farmacéutica. Disponer de un modelo claro de lo qué es la industria 4.0 es clave para ... -
Excelencia humana y profesional según la filosofía de L. A. Séneca
(Diàlegs: revista d'estudis polítics i socials, Número 54, p. 43-56, 2011-10) -
Simulación de procesos con controladores lógico-programables (PLC’s)
(Afinidad. Vol.71, n.566 (2014), p.95-100, 2014-04)La realización de prácticas en el laboratorio de control de procesos presenta como mayor dificultad el coste asociado al funcionamiento del proceso, debido al consumo de reactivos, de energía o a la ... -
Different mechanisms that promote protein monoubiquitination
(Afinidad. Vol.72, n.570 (2015), p.95-100, 2015-04)Protein monoubiquitination is a post-translational modification that consists of the conjugation of a single ubiquitin molecule to a target protein residue. Monoubiquitination regulates protein activity ... -
Generador de funciones periódicas con controlador lógico-programable (PLC)
(Afinidad. Vol.72, n.570 (2015), p.89-94, 2015-04)El análisis frecuencial de sistemas de control se basa en el conjunto de respuestas del proceso a señales senoidales que, en la mayoría de casos de los procesos habituales en la industria química, han ... -
Corporate social responsibility in cruising: using materiality analysis to create shared value
(Tourism Management, 2016, Vol. 53 (April), p. 175-186, 2015-10)Creating Shared Value hinges on the interdependence between a company's success and social welfare, and also the identification and expansion of connections between that company and society. Because critics ... -
Multiscale modeling for complex chemical systems: highlights about the Nobel Prize in Chemistry 2013
(Afinidad. Vol.71, n.566 (2014), p.89-94, 2014-04)The Nobel Prize in Chemistry 2013 was awarded jointly to Martin Karplus, Michael Levitt and Arieh Warshel for the development of multiscale models for complex chemical systems. From the simplest ... -
Estudio de la producción de aflatoxinas B1, G1, B2 y G2 en semillas de anacardo por parte de Aspergillus parasiticus CECT 2681 mediante cromatografía líquida de ultra-alta resolución
(Afinidad. Vol.70, n.563 (2013), p.170-174, 2013-07)En este trabajo se pone a punto un método de cromatografía líquida de ultra-alta resolución para el análisis de aflatoxinas en semillas de anacardo. El tiempo de análisis cromatográfico para la detección ... -
Octanol-water partition coefficients of highly hydrophobic photodynamic therapy drugs: a computational study
(Afinidad. Vol.70, n.564 (2013), p.250-256, 2013-10)Photodynamic therapy is a novel treatment for solid tumors based on the selective induction of cell death by the generation of cytotoxic reactive oxygen species within neoplastic tissues. Oxygen ... -
Comparación entre diferentes procedimientos de ajuste de controladores PID. II. Márgenes de ganancia y de fase y comportamiento como regulador
(Afinidad. Vol.70, n.564 (2013), p.246-249, 2013-10)La doble normalización (ganancia y tiempo) de los procesos de primer orden con tiempo muerto (First Order Plus Dead Time, FOPDT) permite el análisis sistemático de la respuesta dinámica de los sistemas ...