Datos de investigación : información complementaria de las investigaciones

Permanent URI for this collectionhttps://hdl.handle.net/10272/14868

Esta colección contiene los datos primarios recopilados o generados en el transcurso de un proyecto de investigación. En esta Guía encontrarás información para gestionar tu Plan de Gestión de Datos, Data Management Plan (DMP)

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Now showing 1 - 20 of 43

Beyond the Project Cycle: Relational Sustainability in Transdisciplinary Social Innovation in Social Services [Dataset]
(MDPI, 2026) Anillo Pérez, Luna del Alba; Ferri Fuentevilla, Elena; Fernández Borrero, Manuela Ángela; Martí García, Susana
Transdisciplinarity and the co-production of knowledge have become fundamental approaches to addressing complex social problems. However, the sustainability of collaborative partnerships remains underexplored from an empirical perspective. This article examines the mechanisms that shape the continuity of collaborative networks in social innovation projects in the field of social services, particularly those linked to community-based welfare systems in Andalusia (Spain). Drawing on a thematic qualitative analysis of 15 social innovation projects and 14 semi-structured interviews with project coordinators, the study explores how diverse actors (universities, public administrations, third-sector organisations, and citizens) mobilise different types of social capital within local social services. The findings reveal that collaboration success depends on a balance between relational enablers (trust and shared experiences) and structural barriers (bureaucracy, work overload, and lack of time). The analysis also shows that participatory methodologies and connections with pre-existing networks are essential for sustaining collaboration after project completion. The article concludes that the sustainability of transdisciplinary social innovation in social services requires moving beyond project management logics and investing in the care of invisible relational structures, with implications for public policies aimed at consolidating trust ecosystems and long-term collective learning.
Diagnosis: revisión sistemática de torías, experiencias e investigaciones en Educación Patrimonial en Latinoamérica [Dataset]
(Universidad Pedagógica Nacional (Colombia), 2026) Echeverri Ramos, Fabio Alonso; Martín Cáceres, Miriam José; Estepa Giménez, Jesús
From Students to Professionals: Digital Skills in Social Services for the Practice of Social Work [Dataset]
(MDPI, 2026) Gómez Rasco, Teresa; Muñoz Moreno, Rocío; Ferri Fuentevilla, Elena; Vázquez Aguado, Octavio; Gómez Rasco, Teresa
A sustainable methanol-based solvent exchange method to produce nanocellulose-based ecofriendly lubricants [Dataset]
(Elsevier, 2026) Roman Fercheluc, Claudia; García Morales, Moisés; Eugenio, María Eugenia; Ibarra, David; Delgado Cantó; Delgado Canto, Miguel Ángel; Roman Fercheluc, Claudia
A prospective methodology aimed to develop totally sustainable oleogels with potential application in lubrication is reported. Oleogels were prepared with cellulose nanofibrils from elm pulps in castor oil. Even at a concentration as low as 1.4 wt%, the oleogels showed rheological behaviors similar to a traditional lithium grease used as reference. In that sense, the high thickening power of cellulose nanofibers was remarked. Never-dried bleached and unbleached elm pulps were mechanically treated with PFI mill refiner and microfluidizer. Moreover, as an alternative way of producing cellulose nanofibrils, the never-dried bleached elm pulp was chemically oxidized using 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO). The three types of nanofibers were characterized and used in the production of oleogels. The great challenge was to remove the high amount of water retained by the nanofibrils during the nanofibrillation treatment before it was ncorporated into the vegetable oil-based lubricant. Alternative strategies such as liophilization or drying failed because the nanofibers, with very high specific surface and strong capacity to interact among them by hydrogen bonding, underwent severe aggregation. Instead, the proposed methanol-based solvent exchange method enabled the transfer of the cellulose nanofibrils from the origin hydrogel to the vegetable oil with no detriment of both their aspect ratio and thickening capacity. Chemical considerations are provided with regard to such a solvent-mediated method, which yielded homogeneous and storage-stable oleogels. This work may attract the interest of lubricant manufacturers. to produce nanocellulose-based eco-lubricating greases for industrial application
Exploring the effect of the pulp bleaching on the thermo-rheological behavior of sustainable cellulose nanofiber-based oleogels [Dataset]
(Elsevier, 2026) Roman Fercheluc, Claudia; Delgado Canto, Miguel Ángel; Fernández Silva, Samuel David; García Morales, Moisés; Roman Fercheluc, Claudia
Taking advantage of the high thickening capacity of cellulose nanofibers in castor oil, sustainable lubricating oleogels were obtained. Methanol was used as mediator to transfer the nanofibers, originally present as a hydrogel, into the vegetable oil. The effect of the pulp bleaching on the oleogels’ thermo-rheological behavior was analyzed. Viscous flow curves and small/large amplitude dynamic shear tests were carried out on both bleached and unbleached samples of the same elm kraft pulp. Substantial differences were observed, above all when the oleogels were subjected to stress values beyond the onset of their linear viscoelastic regimes. The oleogel prepared with nanofibers from the unbleached pulp was found to endure large shear deformations better than that from the bleached pulp, and was less sensitive to temperature. Hence, the complex shear modulus (|G*|) corresponding to the oleogel based on 1.4 wt% bleached nanofiber decreased by 55.7% upon a non-linear stress of 200 Pa was applied for 30 min. However, a less severe structural breakdown, i.e., a decay in |G* | of 28.9% (half of the previous one), was monitored when the oleogel based on the unbleached nanofiber was submitted to the same testing conditions. It should also be underlined that such an oleogel showed an extraordinary capacity to recovery its structure after the large shear deformation process.
Green oleogels based on elm pulp cellulose nanofibers: effect of the nanofibrillation pre-treatment on their thermo-rheological behavior [Dataset]
(Elsevier, 2026) Roman Fercheluc, Claudia; Delgado Canto, Miguel Ángel; Fernández Silva, Samuel David; García Morales, Moisés; Roman Fercheluc, Claudia
Sustainable lubricating oleogels were obtained based on elm (Ulmus minor Mill.) pulp cellulose nanofibers in castor oil. Before their nanofibrillation, two samples of the same bleached pulp were subjected to two different pre-treatments, either mechanical PFI (Paper and Fibre Research Institute) refining or chemical TEMPO-mediated oxidation. Their effect on the oleogels’ viscous flow and oscillatory shear behaviors was determined at different temperatures. Very pronounced differences were observed between these oleogels. The oleogel from the chemically-pretreated nanofibers showed evidences of being much more sensitive to both temperature and large shear deformations. Hence, its shear modulus underwent a very remarkable decay of 95.8% when subjected to a non-linear stress value of 100 Pa for 30 min. In turn, under the same conditions, a decay of only 41.4% was observed for the oleogel based on the nanofiber from the mechanically-pretreated nanofibers.
Potential valorization of waste cooking oils into sustainable bio-lubricants [Dataset]
(Elsevier, 2026) Fernández Silva, Samuel David; Delgado Canto, Miguel Ángel; Ruíz Méndez, María Victoria; Giráldez Díaz, Inmaculada; García Morales, Moisés
This work explores the feasibility of using waste cooking oils (WCO) as eco-lubricants. Five WCO from different food facilities were studied. Three of them were fractionated into both lighter and heavier fractions by molecular distillation. A comprehensive chemical characterization (fatty acids distribution, polar compounds and acidity) was carried out on all WCOs and their fractions, which led to set relationships with the oils’ properties (such as viscosity index, low temperature viscous flow behavior, oxidation resistance, etc.). It is worth mentioning the high viscosity index values found in waste cooking oils with both low total polar compounds and acidity level, as well as the benefit which acidity had on their fluidity at low temperature and their lubricity. Moreover, it was also noteworthy that the lighter fractions, merely constituted by free fatty acids (FFA), presented an improved oxidative resistance. The largest OOT enhancement, 12.4%, was found for the light fraction of a non-segregated oil. Moreover, a better thermal stability was shown by the heavier fractions. Finally, both fractions exhibited enhanced friction-reducing capability as compared to their parent WCO. The light fractions from a nonsegregated oil, a fast food restaurant oil and a deep-fried food establishment oil yielded wear reductions of 11.7%, 44.3% and 36.8%, respectively. Therefore, molecular distillation has been proved to be a key strategy to obtain more efficient liquid eco-lubricants.
Digitalization in Social Services: Assessment of Professionals' Digital Competencies and Integration of ICTs [Dataset]
(Taylor & Francis, 2025) Gómez Rasco, Teresa; Muñoz Moreno, Rocío; Ferri Fuentevilla, Elena; Vázquez Aguado, Octavio; Gómez Rasco, Teresa
Este documento recoge el cuestionario utilizado en el marco del artículo de investigación, administrado a las personas usuarias de los servicios sociales con el objetivo de conocer las capacidades y habilidades de las personas usuarias de Servicios Sociales para acceder a los mismos utilizando las tecnologías en Andalucía. Los datos de este cuestionario están anonimizado y el tratamiento y análisis de los datos cumple con la LOPD.
Perfil social, educativo, lingüístico, cognitivo y musical de adultos con baja alfabetización en español y francés como lengua extranjera [Dataset]
(UAB, 2025) Fonseca Mora, María Carmen; Prados López, María; Foncubierta Muriel, José Manuel; Toscano Fuentes, Carmen María; Fernández Corbacho, Analí; Peña Acuña, Beatriz
Solid-to-solid phase change transitions to enhance solar heat storage of bitumen used in domestic hot water collectors [Dataset]
(Elsevier, 2025) García Márquez, Beatriz; Partal López, Pedro; Navarro Domínguez, Francisco Javier; Delgado Sánchez, Clara; Cuadri Vega, Antonio Abad
The reduction of energy consumption in buildings requires the development of advanced thermal energy storage (TES) materials. In this work, the feasibility of TES materials to be applied in solar domestic hot water (DHW) collectors was evaluated. These TES materials are composed of bitumen (B) and different concentrations of pentaglycerine (PG), which act as supporting engineering material with high solar radiation absorptivity and solid-to-solid phase change material, respectively. Results indicate that these TES materials show good thermal stability, whereas their consistency improves as PG content increases over the whole temperature range at which a solar DHW collector operates. Interestingly, blend containing 30 wt% PG shows a high heat storage capacity (ca. 50 J/g), suitable thermal cycling reliability and excellent relative enthalpy efficiency (ca. 90 %). In addition, this binder also presents improved thermal properties (thermal conductivity and specific heat capacity). As a result, the heat charge/discharge performance evaluated by indoor thermoregulation tests leads to a Latent Heat Thermoregulation Index (LHTI) higher than those reported for other TES building materials. Therefore, B/PG blends may be considered a promising TES material for improving energy efficiency in solar DHW production.
Energy-efficient polymer/bitumen roofing materials formulated with non-encapsulated beeswax phase change material [Dataset]
(Elsevier, 2025) Gallardo Álvarez, Eulalia; Tenorio Alfonso, Adrián; Cuadri Vega, Antonio Abad
With the aim of overcoming the drawbacks involved in PCM encapsulation and taking into account the potential of beeswax as bio-PCM, the main objective of this work is to develop novel energy-efficient roofing materials for building applications by its direct inclusion. These materials are formulated with bitumen (B), styrene butadiene styrene copolymer (SBS) and beeswax (BW) as bio-based phase change material. To that end, the effects of possible interactions between B compounds and BW on thermal storage capacity and technological characterization were firstly evaluated on binary B/BW blends. Afterwards, leakage tests conducted on ternary B/SBS/BW blends revealed that form-stable materials (with no BW leakage) can be manufactured with a maximum BW concentration of 30 wt%. Thus, the prototype roofing material composed of 61.6 wt% B, 8.4 wt% SBS and 30 wt% BW shows excellent thermal stability (no weight loss up to ca. 200 °C) and meets the technological requirements specified by ASTM D8051 for wax-modified asphaltic roofing products. In addition, the selected roofing material displays high thermal storage capacity (ca. 50 J/g) for a long period of time (at least, for 300 heating/cooling cycles), which is reflected in the results derived from the indoor thermoregulation tests conducted in a climatic chamber. Interestingly, the tests conducted on a reduced-scale isolate room indicated a percentage reduction in the heat needed to be removed from the room of 9.3 % when comparing the prototype roofing material with the commercial SBS bituminous binder.
Liquid chromatography (ion mobility) coupled to organic and inorganic mass spectrometry for determination of eight thyroid hormones in human milk with enantiomeric separation of thyroxine [Dataset]
(Elsevier, 2025-07-11) Vélez Pérez, Rafael de Fátima; Arias Borrego, Ana; Velásco, Inés; Soldevila, Berta; García Barrera, Tamara
Human milk is a crucial source of thyroid hormones, essential for neonatal development. We developed and validated a three-phase hollow-fiber liquid-phase microextraction method, coupled to ultra-high performance liquid chromatography and ion mobility mass spectrometry, to simultaneously quantify eight thyroid hormones, including the chiral forms D-thyroxine and L-thyroxine in human milk. The method showed excellent linearity (R2 > 0.999), low limits of detection (0.7–19.8 μg L−1), and high recoveries (83–114 %). The analysis of 30 human milk samples, revealed that D-thyroxine (115.1–157.5 μg L−1) was more abundant than L-thyroxine (47.9–193.6 μg L−1), and reversed triiodothyronine prevailed over triiodothyronine. This is the first report of chiral forms of thyroxine, diiodotirosine, and thyronine in human milk, with potential implications for lipid metabolism and infant thyroid regulation. These findings highlight the method sensitivity and biological rele vance, offering a robust tool for future nutritional and endocrine studies.
Los tribunales de oposiciones y otras peripecias de las provisiones de cátedras de derecho (1859-1936) [Dataset]
(Dykinson, 2019) Díaz Rico, Javier Carlos
What works: A systematized review of the relationship between social services and digital technologies [Dataset]
(Taylor & Francis, 2025) Gómez Rasco, Teresa; Ferri Fuentevilla, Elena; Muñoz Moreno, Rocío; Vázquez Aguado, Octavio; Gómez Rasco, Teresa
Esta base de datos recopila toda la información utilizada en el proceso de selección y análisis de estudios para la revisión sistematizada de (("social services" OR "public welfare")) AND (("technology" OR "digital tools" OR "ICT")).
Active control of friction in electrified ball bearing prototypes using electro-sensitive clay mineral-based lubricating fluids [Dataset]
(Tsinghua University Press, 2025) Fernández Silva, Samuel David; Delgado Canto, Miguel Ángel; Roman Fercheluc, Claudia; Amann, Tobias; Gatti, Félix; Kailer, Andreas; García Morales, Moisés; Roman Fercheluc, Claudia
This research highlights the development of electro-active eco-friendly lubricants by dispersing polarizable clay nanoparticles in castor oil. These smart fluids exhibit controllable viscosity and friction properties under applied electric fields, enabling reversible tuning of lubrication performance. Experiments showed enhanced friction control, improved lubricant retention, and promising dielectric strength, pointing to a sustainable approach for actively managing friction and load-bearing in mechanical systems through electric field modulation.
Tunable structuring of nanocellulose-based sustainable lubricants by an external electric field [Dataset]
(Elsevier, 2025) Fernández Silva, Samuel David; Delgado Canto, Miguel Ángel; García Pérez, María; Roman Fercheluc, Claudia; García Morales, Moisés; Roman Fercheluc, Claudia
This research examines sustainable nanocellulose-based lubricants made by dispersing fibrillated and crystalline nanocelluloses in castor oil. The study explores how electric fields and shear forces affect their rheological behavior and microstructure, using advanced microscopy and rheometry techniques. Findings show that lower nanocellulose concentrations form flexible string-like structures responsive to electric fields, while higher concentrations create rigid, entangled networks. Pre-shear intensity influences structural changes, altering the lubricants' mechanical properties under different electric fields.
Influence of posture during mastication on body composition and nutritional intake in people with Down syndrome [Dataset]
(PeerJ, 2025) Cañizares Prado, Sonia; Molina López, Jorge; Moya Ruiz, María Trinidad; Planells, Elena
Introduction. Down syndrome is associated with muscular hypotonia and feeding problems. The aim was to assess the prevalence of overweight/obesity in people with Down syndrome and how postural alterations during mastication influenced their body composition, food intake and consumption. Methods. Descriptive cross-sectional study with 48 participants (8-45 years). Results. 35.4% were obese and/or overweight; those with postural alterations had a lower BMI (p=0.022) and a lower percentage of body fat (p=0.005). There were significant differences in saturated fat intake (p=0.008), with 22.9% excessive intake among those without postural alterations. There was also an excessive intake of group B vitamins and of vitamins C and K. In contrast, vitamins E and D were consumed below the recommended intake. P, Fe and Cu were consumed in excess by more than 50% of the sample. Conclusions. Continue studying masticatory posture to improve food handling and dietary diversity.
Capacitor electrical discharge sintering of amorphous Fe-Si-B powder [Dataset]
(MDPI, 2025) Aranda Louvier, Rosa María; Urban, Petr; Cintas Físico, Jesús; Montes Martos, Juan Manuel; Gómez Cuevas, Francisco de Paula
High purity powders of Fe, Si and B mixed with atomic composition Fe78Si9B13 are subjected, after arc melting, to a melt spinning process. The amorphous ribbons are transformed into powder by mechanical milling, taking care of maintaining the amorphous character. The powders are sintered by means of a very quick capacitor electrical discharge (CEDS), trying to maintain the initial structure of the powders. The CEDS process is analysed depending on the thermal energy applied during the discharge, as well as on the particle size of the powders and the powders mass. The porosity, microstructure, hardness, electrical resistivity and magnetic properties of the generated compacts are analysed. Thus, for powders with a mean size of 65 μm, the porosity can be reduced from 0.35 to 0.08 after sintering, reaching a microhardness of up to 1100 HV1 after applying a discharge of 2640 J/s. A coercivity of 1895 A/m and a saturation flux density of 1.32 T are achieved in the compact, which maintains a microstructure with up to a 79% of amorphous phase.
Centros Ecoescuelas vs Centros no Ecoescuelas. ¿Suponen una ventaja en la generación de la actitud ambiental del alumnado? [Dataset]
(Universidad de Cádiz, 2025) Acosta Benítez, Verónica; Illescas Navarro, Mireia; Heras Pérez, María Ángeles de las
El deterioro ambiental de nuestro planeta es cada vez más evidente y sus efectos afectan directamente al entorno en el que vivimos. Una estrategia clave para abordar esta situación es la integración de la educación ambiental en la escuela, con el fin de fomentar en el alumnado una actitud responsable hacia el medio ambiente y contribuir así a la sostenibilidad del planeta en el futuro. Esta investigación tiene como objetivo analizar la actitud ambiental del alumnado de cuarto, quinto y sexto de educación primaria en dos centros educativos con características diferenciadas: uno perteneciente a la red andaluza de Ecoescuelas y otro que no forma parte de ella. Para la recogida de datos, se utilizó un cuestionario basado en una escala Likert de cuatro puntos, diseñado para medir el grado de acuerdo del alumnado con diversas afirmaciones relacionadas con su actitud ambiental. Además, se realizó una entrevista a los directores de ambos centros, cuyo análisis se llevó a cabo mediante una tabla de categorías previamente elaborada. Los resultados obtenidos revelan diferencias significativas en la actitud ambiental del alumnado de ambos centros, siendo más positiva y marcada en el Centro Ecoescuela. Asimismo, estas diferencias también se reflejan en la forma en que cada centro aborda la educación ambiental, así como en el uso y aplicación de los recursos disponibles para su enseñanza. En conclusión, los hallazgos de esta investigación sugieren que el modelo de Ecoescuela favorece una educación ambiental más efectiva, promoviendo actitudes y prácticas sostenibles que pueden contribuir a la preservación del planeta.
Suelos forestales de la provincia de Huelva: propiedades, evolución y distribución territorial [Dataset]
(Universidad de Huelva, 2025) Domingo Santos, Juan Manuel; Corral Pazos de Provens, Eva
El suelo es la zona de encuentro entre la parte mineral, la parte gaseosa y la parte viva que forman el planeta Tierra, la litosfera, la atmósfera y la biosfera, respectivamente. Las funciones del suelo son múltiples y toman relevancia mayor en la coyuntura de cambio climático a la que se enfrenta el planeta. En consecuencia, la mayor parte de los trabajos que impliquen actuaciones sobre el medio natural necesitan tener conocer las características de los suelos, para saber cómo adaptar cada proyecto y para evaluar posibles impactos. En este trabajo se proporciona una aproximación georreferenciada a las características de los suelos de la provincia de Huelva, como resultado de más de 10 años de prospecciones y estudios edafológicos de la Universidad de Huelva en el marco de distintos proyectos financiados. Se recoge información de 368 calicatas completas, además de unas 100 observaciones parciales, y 79 transectos de ladera que permiten describir la dinámica espacial de nuestros suelos. La base del trabajo ha sido el mapa litológico E.1:50.000, a la vista de que las características geológicas presentan una influencia dominante a escala subregional (provincial en este caso). Para cada litología se han descrito las principales propiedades del suelo, incorporando la influencia que presentan otros factores como la climatología y el relieve. Se presenta cartografía de la profundidad del suelo, la capacidad de retención de agua, la erosionabilidad y los tipos de suelo según la base de referencia mundial de suelos (WRSB-FAO,2007). Para cada litofacies, con un total de 26 grupos de litofacies, se dan los rangos de variación más probable y los valores medios de un gran conjunto de propiedades: reacción, cationes-nutrientes, materia orgánica, textura, contenido y tipología de materiales gruesos, y de todas las propiedades cartografiadas, además de evaluaciones de síntesis sobre la aptitud forestal de cada tipo de suelo. Se presenta también la metodología estadística que ha servido de base a los resultados obtenidos; la información bruta para la posible reproducción de estos estudios o su incorporación a otros estudios se suministra en una base de datos georreferenciada (GDB) accesible on-line como material de apoyo, junto con el conjunto de mapas temáticos de suelos. Nuestro objetivo es que la ciencia y técnica forestal de nuestra provincia pueda beneficiarse de esta valiosa información para llevar a cabo mejores trabajos en la gestión y restauración del medio natural, el aprovechamiento de recursos naturales y la lucha y adaptación frente al cambio climático. -------------------------------------------------------------------------------------------------------

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