Disposición de minerales agotados en la remoción de arsénico

En nuestro país la contaminación de los acuíferos con arsénico (As) es un problema a resolver cuando el contenido para las aguas de consumo es superior al fijado por la OMS (10 ppb). En el marco de un proyecto interdisciplinario (FONARSEC 0027-2014)dirigido a la remoción de As, se emplean arcillas ferruginosas como adsorbentes, proceso que deja un residuo conteniendo el contaminante.Área: Ingeniería, Arquitectura y Tecnologí

Musicoterapia, cognición y comunicación: Improvisación creativa en un único caso de un niño con trastorno del desarrollo intelectual no especificado

La improvisación musical se aborda en diferentes tipos de disciplinas y una de ellas es la Musicoterapia, en la que bajo determinadas condiciones se ha visto que tiene un efecto positivo en la mejora de las funciones cognitivas y la comunicación. El objetivo de este proyecto fue usar la improvisación creativa con un niño de seis años con un trastorno del desarrollo intelectual no especificado durante tres meses para la mejora de las funciones cognitivas y la comunicación. Las sesiones se dividieron en dos partes; una rítmica para trabajar la atención y la concentración con ritmos premeditados e improvisados y otra parte melódica en la que se trabaja la comunicación a través de palabras conocidas para el niño para poder llegar a crear un diálogo musical entre el músicoterapeuta y el paciente. Tras el análisis de datos, se observó que, tras once sesiones de trabajo rítmico-musical a través de la improvisación creativa, los datos obtenidos fueron positivos, habiendo conseguido todos los objetivos propuestos para el proyecto.Musical improvisation is addressed in different types of disciplines and one of them is music therapy, where under certain conditions it has been seen to have positive effect on the improvement of cognitive functions and communication. The aim of this project was to use creative improvisation with a six-year-old boy with an unspecified neurodevelopment disorder for three months for the improvement of cognitive functions and communication. The sessions are divided into two parts; a rhythmic part to work on attention and concentration with premeditated and improvised rhythms and a melodic part in which communication is worked on through words known to the child to create a musical dialogue between the music therapist and the patient. After the data analysis, it was observed that after eleven sessions of rhythmic-musical work through creative improvisation, the data obtained were positive, having achieved all the objetives proposed for the project

Efficiently Storing Well-Composed Polyhedral Complexes Computed Over 3D Binary Images

A 3D binary image I can be naturally represented by a combinatorial-algebraic structure called cubical complex and denoted by Q(I ), whose basic building blocks are vertices, edges, square faces and cubes. In Gonzalez-Diaz et al. (Discret Appl Math 183:59–77, 2015), we presented a method to “locally repair” Q(I ) to obtain a polyhedral complex P(I ) (whose basic building blocks are vertices, edges, specific polygons and polyhedra), homotopy equivalent to Q(I ), satisfying that its boundary surface is a 2D manifold. P(I ) is called a well-composed polyhedral complex over the picture I . Besides, we developed a new codification system for P(I ), encoding geometric information of the cells of P(I ) under the form of a 3D grayscale image, and the boundary face relations of the cells of P(I ) under the form of a set of structuring elements. In this paper, we build upon (Gonzalez-Diaz et al. 2015) and prove that, to retrieve topological and geometric information of P(I ), it is enough to store just one 3D point per polyhedron and hence neither grayscale image nor set of structuring elements are needed. From this “minimal” codification of P(I ), we finally present a method to compute the 2-cells in the boundary surface of P(I ).Ministerio de Economía y Competitividad MTM2015-67072-

Encoding Specific 3D Polyhedral Complexes Using 3D Binary Images

We build upon the work developed in [4] in which we presented a method to “locally repair” the cubical complex Q(I) associated to a 3D binary image I, to obtain a “well-composed” polyhedral complex P(I), homotopy equivalent to Q(I). There, we developed a new codification system for P(I), called ExtendedCubeMap (ECM) representation, that encodes: (1) the (geometric) information of the cells of P(I) (i.e., which cells are presented and where), under the form of a 3D grayscale image gP ; (2) the boundary face relations between the cells of P(I), under the form of a set BP of structuring elements. In this paper, we simplify ECM representations, proving that geometric and topological information of cells can be encoded using just a 3D binary image, without the need of using colors or sets of structuring elements. We also outline a possible application in which well-composed polyhedral complexes can be useful.Junta de Andalucía FQM-369Ministerio de Economía y Competitividad MTM2012-32706Ministerio de Economía y Competitividad MTM2015-67072-

Spatiotemporal Barcodes for Image Sequence Analysis

Taking as input a time-varying sequence of two-dimensional (2D) binary images, we develop an algorithm for computing a spatiotemporal 0–barcode encoding lifetime of connected components on the image sequence over time. This information may not coincide with the one provided by the 0–barcode encoding the 0–persistent homology, since the latter does not respect the principle that it is not possible to move backwards in time. A cell complex K is computed from the given sequence, being the cells of K classified as spatial or temporal depending on whether they connect two consecutive frames or not. A spatiotemporal path is defined as a sequence of edges of K forming a path such that two edges of the path cannot connect the same two consecutive frames. In our algorithm, for each vertex v ∈ K, a spatiotemporal path from v to the “oldest” spatiotemporally-connected vertex is computed and the corresponding spatiotemporal 0–bar is added to the spatiotemporal 0–barcode.Junta de Andalucía FQM-369Ministerio de Economía y Competitividad MTM2012-3270

Dynamics of PHA-Accumulating Bacterial Communities Fed with Lipid-Rich Liquid Effluents from Fish-Canning Industries

This research was supported by the Spanish Government (Spanish Ministry of Science and Innovation) through the TREASURE-MICROSALT (CTQ2017-83225-C2-2-R) and ECOPOLYVER-MACROPOLYVER (PID2020-112550RC22) projects.The biosynthesis of polyhydroxyalkanoates (PHAs) from industrial wastes by mixed microbial cultures (MMCs) enriched in PHA-accumulating bacteria is a promising technology to replace petroleum-based plastics. However, the populations’ dynamics in the PHA-accumulating MMCs are not well known. Therefore, the main objective of this study was to address the shifts in the size and structure of the bacterial communities in two lab-scale sequencing batch reactors (SBRs) fed with fish-canning effluents and operated under non-saline (SBR-N, 0.5 g NaCl/L) or saline (SBR-S, 10 g NaCl/L) conditions, by using a combination of quantitative PCR and Illumina sequencing of bacterial 16S rRNA genes. A double growth limitation (DGL) strategy, in which nitrogen availability was limited and uncoupled to carbon addition, strongly modulated the relative abundances of the PHA-accumulating bacteria, leading to an increase in the accumulation of PHAs, independently of the saline conditions (average 9.04 wt% and 11.69 wt%, maximum yields 22.03 wt% and 26.33% SBR-N and SBR-S, respectively). On the other hand, no correlations were found among the PHAs accumulation yields and the absolute abundances of total Bacteria, which decreased through time in the SBR-N and did not present statistical differences in the SBR-S. Acinetobacter, Calothrix, Dyella, Flavobacterium, Novosphingobium, Qipengyuania, and Tsukamurella were key PHA-accumulating genera in both SBRs under the DGL strategy, which was revealed as a successful tool to obtain a PHA-enriched MMC using fish-canning effluents.Spanish Government (Spanish Ministry of Science and Innovation) CTQ2017-83225-C2-2-R PID2020-112550RC2

Causativité périphrastique de la langue toba dans l’est et l’ouest de la province de Formosa (Argentine)

El objetivo de este trabajo es analizar, desde la perspectiva funcionalista, las construcciones causativas perifrásticas en toba del este y del oeste de Formosa y comparativamente entre ambas variedades. Especialmente, se considerará el grado de fusión de los predicados de causa y de efecto, el orden y el grado de variabilidad paradigmática de los mismos. La estrategia de causativización perifrástica registrada en toba del este de Formosa no fue descripta en las variedades de Chaco –con las que es mutuamente inteligible– y se demuestra que presenta diferencias, sobre todo en términos de gramaticalización, con la construcción causativa perifrástica del toba del oeste de Formosa. El corpus está compuesto por relatos orales y cláusulas elicitadas registrados en trabajos de campo realizados en tres comunidades de la provincia de Formosa: Vaca Perdida, al oeste, y barrio Nam Qom y Bartolomé de las Casas, en el este y centro-este. Este artículo constituye una contribución a investigaciones de tipo comparativo de los mecanismos de causativización perifrástica en dos variedades de toba. A su vez, ante la ausencia de registros diacrónicos, la comparación en la sincronía de lenguas genéticamente emparentadas, pero habladas por pueblos que han atravesado procesos etnohistóricos diferenciales proporciona evidencia empírica que puede permitir postular, a modo de hipótesis, procesos de gramaticalización en curso.The aim of this paper is to analyze, from the functionalist perspective, periphrastic causative constructions in Toba from Eastern and Western Formosa province and comparatively between the two varieties. The degree of fusion of the cause and effect predicate, their order, and paradigmatic variability are the features studied. The periphrastic causative constructions in Toba from Eastern Formosa described was not previously detected in the mutually intelligible varieties from the Chaco province. Besides, it is shown that this construction differs, especially in terms of the degree of grammaticalization, from the periphrastic construction in Toba from Western Formosa. The corpus is composed of oral texts and elicited clauses collected during fieldwork pursued in three communities: Vaca Perdida in Western Formosa, and Nam Qom neighborhood and Bartolomé de las Casas in Eastern and Middle-eastern Formosa. This paper is a contribution to comparative studies of periphrastic causative constructions of two varieties of Toba. In the absence of diachronic sources, the synchronic comparison of genetically related languages, but spoken by ethonohistorically different peoples, provides empirical evidence to hypothetically postulate grammaticalization processes in course.L’objectif de ce travail est d’analyser les constructions causatives périphrastiques du toba dans l’est et l’ouest de Formosa depuis les perspectives fonctionnelle et comparative. Plus précisément, nous considérerons le degré de fusion, tout comme l’ordre et le degré de variabilité paradigmatique des prédicats de cause et d’effet. La stratégie de causativité périphrastique observée dans le toba de l’est de Formosa n’avait pas été décrite, à ce jour, dans les variétés du Chaco -avec lesquelles il est pourtant mutuellement intelligible. Nous démontrerons que cette variante de l’est de Formosa présente des différences avec celle de l’ouest, surtout dans le plan de la de grammaticalisation. Le corpus est composé par des récits oraux et des clauses colligés durant le travail de terrain effectué dans trois communautés de la dite province, soit: Vaca Perdida dans l’ouest ainsi que Nam Qom et Bartolomé de las Casas, dans l’est et le centre-est. Cet article constitue une contribution aux recherches de type comparatif des mécanismes de causativité périphrastique dans deux variétés du toba. Toutefois, devant l’absence de registres diachroniques, la comparaison dans la synchronie de langues génétiquement apparentées, mais parlées par des peuples qui ont traversé des processus ethno-historiques différentiels fournit l’évidence empirique qui peut permettre de postuler, en guise d’hypothèse, des processus de grammaticalisation en cours.Fil: González, Raúl Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Investigaciones Geohistóricas. Universidad Nacional del Nordeste. Instituto de Investigaciones Geohistóricas; ArgentinaFil: Carpio, María Belén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Investigaciones Geohistóricas. Universidad Nacional del Nordeste. Instituto de Investigaciones Geohistóricas; Argentin