76087 research outputs found
Sort by
Atomistic modeling of high energy irradiation in semiconductors
No full textThis project aims to develop atomistic models based on physical mechanisms that are predictive and computationally efficient for simulating high-energy irradiation processes in semiconductors. In particular, irradiation with very high-energy neutrons and protons (MeV-GeV) is an inevitable process in devices operating in highly radioactive environments (radiation sensors, nuclear facilities, medical radiological equipment, etc.), causing a loss of performance and a reduction in their lifespan.
We have established a multi-scale atomistic simulation methodology combining the Geant4 – BCA – kMC techniques, which allows us to obtain the spectrum of recoils produced by a given irradiation (particle type and energy), simulate their interaction with the semiconductor, and their effect on the activation of dopants.
This Dataset includes the spectrum of PKAs resulting from neutron and proton irradiation in Si obtained with Geant4, the analysis of defects produced by low energy Si recoils as simulated by MD and BCA techniques, and the simulation with the kMC code DADOS of dopant deactivation (acceptor removal process) in p-type Si sensors induced by neutron an proton irradiation.Multiscale Materials Modeling GroupGIR de ElectrónicaDepartamento de Electricidad y ElectrónicaINDEX
1. GENERAL INFORMATION
1.1 Title of Dataset
1.2 Authorship
1.2.1 IPs
1.2.2 Researchers
1.3 Research group
1.4 Institution
2. DESCRIPTION
2.1 Dataset language
2.2 Abstract
2.3 Keywords
2.4 Date of data collection
2.5 Date of dataset publication
2.6 Funding
2.7 Geographic location/s of data collection
3. ACCESS INFORMATION
3.1 Dataset Creative Commons License
3.2 Dataset DOI
3.3 Related publication
4. METHODOLOGICAL INFORMATION
4.1 Description of methods used for collection-generation of data
5. DATA
5.1 File List
5.2 Last updateSpanish Ministerio de Ciencia e Innovación under Project No. PID2020-115118GB-I0
Preliminary insights into the potential of fire-prevention treatments to shape fire-resilient soil fungal communities in Mediterranean high-fire-risk shrublands
No full textProducción CientíficaMediterranean ecosystems are frequently affected by wildfires; however, the increasing occurrence of megafires
represents a concerning shift in the region’s fire regime. Soil fungal communities are among the ecosystem
components most affected by fire, with potentially severe consequences for ecosystem functioning and for the
local mushroom-based economy. This study evaluates the impact of wildfire on soil fungi and assesses the
effectiveness of prescribed burning and total mechanical clearing as fire-prevention strategies in areas at high
risk of megafires, with a particular focus on their effects on soil fungal communities. We studied plots that had
undergone prescribed burning or total mechanical clearing in 2020, some of which were later affected by the
2022 Sierra de la Culebra megafire. Fungal diversity and community composition were assessed using a meta-
barcoding approach by amplifying the ITS1 region and identifying operational taxonomic units (OTUs) in soil
samples. Soil physicochemical properties, vegetation and substrate surface cover data were also collected.
Although no significant differences in species richness were observed between burned and unburned plots,
wildfire-affected communities showed greater dominance imbalance. Changes in community composition,
significantly correlated with fire occurrence, suggest the emergence of new ecological niches occupied by
pyrophilous taxa after the megafire. Several pyrophilous indicator species were identified in wildfire-affected
plots; however, some edible taxa had declined in abundance. Although the effects of fire-prevention manage-
ment in the wildfire-affected area were not statistically significant, prescribed burning appeared to buffer the
post-fire loss of fungal diversity more effectively than total mechanical clearing. We conclude that prescribed
burning may foster the development of more fire-resilient fungal communities. Furthermore, we suggest that fire-
prevention treatments not only help to reduce fuel loads in fire-prone areas but also do not appear to be
detrimental to certain valuable edible fungal species that support the mushroom-harvesting economy in these
rural landscapes
La enseñanza psicofísica en la técnica de la guitarra clásica: el método Cos-Art
No full textThis dissertation aims to analyze the impact of the psychophysical Cos-Art method on the technical learning process of classical guitar. Special attention is given to aspects related to breathing, body awareness, and biomechanics, in order to provide a theoretical foundation for this approach and to propose pedagogical guidelines that foster a healthy, efficient, and expressive instrumental practice. A qualitative case-study design was adopted and applied to advanced-level guitarists. For data collection, various instruments were used: video observation (IR1), field notes (IR2), questionnaires (IR3), physiotherapy tests (IR4), body-schema drawings (IR5), and interviews (IR6). Data analysis was carried out through the development of descriptive matrices, triangulation of sources, and the application of ethical-rigor criteria typical of qualitative research.
The findings show significant improvements in breath–posture integration—especially in the spine and cervical region—as well as reduced localized tension in the jaw and tongue. An increase in biomechanical efficiency in the forearms and fingers was also observed, accompanied by greater development of proprioception and musical expressivity. Inter-individual differences were identified, related to performers’ life trajectories and pre-existing movement patterns. The Cos-Art method emerges as a viable pedagogical framework for instrumental teaching by articulating the notion of bodily centers, axes, and “circles” in close relation to breathing as the structuring axis. An individualized pedagogy is recommended, with task designs oriented toward somatic attention, tonic regulation, and functional segmental organization. Likewise, future research should expand the sample and contrast the results with quantitative measures of technical performance and performers’ health.
Keywords: Cos-Art; psychophysical education; classical guitar; breathing; body awareness.La presente tesis tiene como propósito analizar la incidencia del método psicofísico Cos-Art en el proceso de aprendizaje técnico de la guitarra clásica. Se presta especial atención a los aspectos vinculados con la respiración, la conciencia corporal y la biomecánica, con el fin de fundamentar teóricamente dicho enfoque y proponer orientaciones pedagógicas que favorezcan una práctica instrumental saludable, eficiente y expresiva. Se adopta un diseño de investigación cualitativa de estudio de casos, aplicado a guitarristas de nivel avanzado. Para la recogida de información se emplearon diversos instrumentos: observación en vídeo (IR1), notas de campo (IR2), cuestionarios (IR3), pruebas de fisioterapia (IR4), esquemas corporales (IR5) y entrevistas (IR6). El análisis de los datos se llevó a cabo mediante la elaboración de matrices descriptivas, triangulación de fuentes y aplicación de criterios de rigor ético propios de la investigación cualitativa. Los hallazgos ponen de manifiesto mejoras significativas en la integración respiración–postura, especialmente en columna y región cervical, así como una reducción de tensiones localizadas en mandíbula y lengua. Igualmente, se observa un incremento de la eficiencia biomecánica en antebrazos y dedos, acompañado de un mayor desarrollo de la propiocepción y de la expresividad musical. Se identifican, además, diferencias interindividuales relacionadas con la trayectoria vital de los intérpretes y con patrones previos de movimiento. El método Cos-Art se perfila como un marco pedagógico viable para la enseñanza instrumental, al articular la noción de centros, ejes y “círculos” corporales en estrecha relación con la respiración como eje estructurador. Se recomienda una pedagogía individualizada que contemple el diseño de tareas orientadas a la atención somática, el control tónico y la organización segmentaria funcional. Asimismo, se sugieren líneas de investigación futura dirigidas a ampliar la muestra y a contrastar los resultados con medidas cuantitativas de rendimiento técnico y salud del intérprete.
Palabras clave: Cos-Art; educación psicofísica; guitarra clásica; respiración; conciencia corporal.Escuela de DoctoradoDoctorado en Investigación Transdisciplinar en Educació
Organografía
No full textApuntes ORGANOGRAFÍA para Enfermería y FisioterapiaDepartamento de Biología Celular, Histología y FarmacologíaTeóric
Developing Science Communication Competence in Initial Teacher Training
No full textProducción CientíficaThis study examines the development of scientific dissemination skills in initial teacher education through a sequential explanatory mixed-methods design (QUANTITATIVE→QUALITATIVE). The purpose was to explore how the integration of Project-Based Learning (PBL) and Experiential Learning (EL) fosters the acquisition of cognitive, communicative, media–digital, and ethical–social competencies related to scientific communication. Seventy-nine students from Early Childhood Education (n = 36) and Primary Education (n = 43) degrees at the University of Valladolid participated during the 2024–2025 academic year. In the quantitative phase, a validated questionnaire was administered to assess four dimensions of competence, while the qualitative phase included systematic observations and focus groups. Data analysis combined descriptive and inferential statistics with thematic analysis and convergent integration. The results showed significant improvements in all dimensions, particularly in communicative and media–digital skills, with qualitative evidence explaining the mechanisms underlying this progress. The integration of findings revealed the transformation of students from passive recipients to active mediators of scientific knowledge. It is concluded that the combination of PBL and EL constitutes an effective pedagogical framework for promoting responsible scientific dissemination in higher education and reinforcing the social responsibility of teacher training.Universidad de Valladolid (Centro de Enseñanza Online, Formación e Innovación Docente—VirtUVa). Proyecto de Innovación Docente: No. 69 (2025–2026) Formación inicial del profesorado en divulgación científica
From the margins to the core histories of environmentalism, sustainability, and planning, 1970s-2000s
No full textThis PhD thesis explores the emergence of European environmental activism practices after 1968 and the subsequent assimilation of the ideas, participants, technologies, aesthetics, and design strategies thereof from the 1970s and in the early years of the new millennium, when the concept of sustainable urban development became normative in planning. Comprising five articles and a cover essay, the thesis is a critical historical analysis of sustainable urban development as a planning discourse, tool, and typology.
Papers Ia and Ib frame environmentalism as insurgent planning practices with agency to transform normative planning from the margins. I propose the creation of a counter-archive of environmentalist zines to incorporate the stories and practices of these previously neglected actors, and as a means to reposition and expand the history of sustainable development, which is currently flat, simplified, or incomplete.
Papers II and III explore intermediate stages in the assimilation of environmental activism practices through two case studies. Paper II analyses the 1976 exhibition ARARAT (Alternative Research in Architecture, Resources, Art, and Technology), in which alternative technologies and architectures focused on environmental protection were displayed at the Stockholm Museum of Modern Art and at the 37th Venice Biennale. Paper III studies the ecological, bottom-up community Understenshöjden, whose experiments with circular planning were later adopted by the housing company HSB to green their housing stock nationally.
The final paper, Paper IV, tells the story of the 2001 international housing exhibition Bo01 in Malmö, which was designed to become a role model for urban sustainability. I explore how the entangled interests of public institutions, research, and manufacturing industries have shaped the now-institutionalized concept of sustainability and reflect on the ethics and design principles that sustainable practices manifest.
This PhD study follows the shift of urban planning and capitalist urbanization from causing environmental degradation to becoming key agents for environmental sustainability and highlights the potential of planning history to critically narrate and contest contemporary techno-managerial and growth-oriented approaches to sustainability.Esta tesis doctoral explora el surgimiento de prácticas europeas de activismo ecologista después de 1968 y la posterior asimilación de sus ideas, participantes, experimentos tecnológicos, estética y estrategias de diseño entre los años 70 y los 2000, una vez que el concepto de desarrollo urbano sostenible se convierte en concepto normativo en la planificación urbana. Compuesta por cinco artículos y un ensayo introductorio, la tesis es un análisis histórico-crítico del concepto de desarrollo urbano sostenible como tipología de planificación urbanística.
Los artículos Ia y Ib identifican el ecologismo como práctica urbana de insurgencia, con agencia para transformar, desde los márgenes, el urbanismo normativo. El artículo propone la creación de un contra-archivo de fanzines ecologistas para reconocer historias y prácticas previamente ignoradas por la historia del urbanismo y, así, expandir y redefinir la historización del concepto de desarrollo urbano sostenible.
Los artículos II y III exploran, a través de dos casos de estudio, etapas intermedias del proceso de asimilación del activismo ecologista por parte de lo normativo. El artículo II analiza la exposición ARARAT (acrónimo de Alternative Research in Architecture, Resources, Art, and Technology) en el Moderna Museet en Estocolmo y en la 37ª Bienal de Venecia, en 1976. Mediante el mapeo de tecnologías alternativas con foco en la protección ambiental, la exposición pretendía demostrar cómo la tecnología y arquitectura – especialmente la vivienda – son cruciales para la transición ecológica desplegando para ello modelos a escala real de su implementación. El artículo III estudia la comunidad ecológica Understenshöjden de Estocolmo, 1989, cuyos experimentos sobre circularidad energética, uso de materiales, y conservación del paisaje urbano se convirtieron en guía en la campaña ‘Gröna HSB’ que implementaba estrategias sostenibles sobre el extenso stock de vivienda de la empresa cooperativa de vivienda HSB.
El artículo final, el artículo IV, narra la historia de la exposición internacional de vivienda Bo01 en Malmö en 2001, construida con el propósito de convertirse en modelo internacional de sostenibilidad urbana. El artículo explora cómo los intereses de instituciones públicas, industria, y centros de investigación se entrelazan para dar forma a lo que mayoritariamente hoy reconocemos por urbanismo sostenible. Además, el artículo reflexiona sobre los principios éticos y de diseño que hoy por hoy dominan las llamadas prácticas sostenibles.
La tesis analiza los cambios de discurso del planeamiento urbano y reconoce el potencial de la historia para narrar y cuestionar críticamente el concepto de desarrollo urbano sostenible basado en crecimiento, beneficio económico y tecno-gestión que domina las agendas en la actualidad.Escuela de DoctoradoDoctorado en Arquitectur
Integrated biorefinery scheme for apple pomace: Synergistic extraction and fermentation for dual recovery of pectin and 2,3-butanediol
No full textProducción CientíficaThis study presents an integrated, solvent-free biorefinery approach that couples microwave-assisted extraction
(MAE), ultrafiltration (UF), and separate enzymatic hydrolysis and fermentation (SHF) to co-produce pectin-
derived oligosaccharides (POS), predominantly oligogalacturonides (OGalA), and 2,3-butanediol (2,3-BDO) from
apple pomace (AP). Through response surface methodology, optimized MAE temperature and time conditions to
maximize OGalA formation were identified, while also limiting sugar degradation. Under these conditions
(136 ◦C, 8.1 min), the extract contained OGalA at 4.0 ± 0.2 g/L, corresponding to a recovery of 53.7 ± 0.8%, and
a pectin yield of 22.3 ± 0.2% was achieved (dry AP basis). Subsequently, an ultrafiltration step using a 3 kDa
membrane yielded an OGalA solution concentrated to 11.5 ± 0.1 g/L and partially depleted small molecules.
Compositional profiling also confirmed a notable enrichment of the rest of the oligosaccharide fractions, with
increases ranging from 2.4- to 3.2-fold. In parallel, the MAE-pretreated solid, selectively depleted in pectic do-
mains and enriched in glucan (~37%), was saccharified and fermented via a sequential hydrolysis-fermentation
scheme to produce 2,3-BDO. Fermentation trials with Bacillus strains achieved concentrations of 10.3 ± 0.4 g/L
(B. amyloliquefaciens) and 9.5 ± 0.2 g/L within 47 h (B. licheniformis), with sugar clearance below 48 h at
10–15% (w/v) solids loading. In conclusion, an integrated MAE → UF → SHF configuration co-producing POS
and 2,3-BDO offers a practical route to valorize AP and advance circular bioeconomy goals in fruit-processing
regions.Ministerio de Ciencia, Innovación y Universidades, la Agencia Estatal de Investigación y el Fondo Europeo de Desarrollo Regional (proyecto PID2023-147967OB-I00/MCIU/AEI /10.13039/501100011033/FEDER, UE)Junta de Castilla y León, cofinanciada por la Unión Europea a través del Fondo Europeo de Desarrollo Regional (FEDER) (CLU-2025-2-06, UIC 320
Development of a new polymeric formulation of rutin by supercritical antisolvent precipitation and evaluation of its nephroprotective capacity against cisplatin nephrotoxicity in rats
No full textProducción CientíficaNephrotoxicity associated with antitumor drugs such as cisplatin is a well-documented clinical challenge. The intrinsic toxicity of these drugs is driving the search for renoprotective strategies. Currently, one of the most popular is the use of natural substances with antioxidant properties, such as flavonoids. Rutin is a member of this family whose nephroprotective properties have already been studied. However, its bioavailability is very low due to its high lipophilicity. Polymeric nanoparticle design is one of the possible strategies used to solve pharmacokinetic problems. The aim of this work was to design and develop a new polymeric formulation of rutin and to evaluate its nephroprotective capacity against cisplatin toxicity in an experimental rat model. Rutin was processed and coated with Eudragit® polymers using the Supercritical Anti Solvent (SAS) process. A successful micronization and coating of rutin was achieved. In vitro release studies of the formulations obtained demonstrated that pure SAS-processed rutin showed a higher solubility and dissolution rate that unprocessed rutin, and that rutin coated with Eudragit® polymers combined this increased solubilization with a controlled release. However, after administration of the formulation with the best in vivo properties obtained in rats, they did not show a significant nephroprotective capacity. The histological study confirmed the negative results obtained in the functional study. Although this formulation did not show significant nephroprotective effects in vivo, the study provides valuable insights into the limitations of current polymeric encapsulation strategies for rutin.unta de Castilla y León (proyecto “CLU-2019–04 – Unidad de Excelencia BIOECOUVA” de la Universidad de Valladolid)Instituto de Salud Carlos III (Kidney Disease) RICORS2040 - (RD21/0005/0004 y RD24/0004/0024), cofinanciado por la Unión Europea – NextGenerationEU, Mecanismo para la Recuperación y la Resiliencia (MRR
Task_3_2_Experimental_Data_heterostructured_NWs
No full textExperimental data of the heterostructured nanowires of InAs and InGaAs. Subfolder "Experimental_data_Gines" contains the micro-Raman measurements of the NWs the of samples 187 (InAs), 129 (InAs-InGaAs) and 152-153 (InAs-InGaAs). Subfolder "HinojosaV_RawData_InAs_QTech" contains the micro-Raman measurements of the NWs of samples 73-74-75 (InAs).Departemento de Física de la Materia Condensada, Cristalografía y MineralogíaGdS-OptronlabThe authors acknowledge the financial support from grant PID2021-126046OB-C22 funded by MICIU/AEI/10.13039/501100011033 and by “ERDF/EU”
Valoración neurocognitiva (experiencias anómalas del SELF) para la definición de grupos biológicamente válidos dentro de la esquizofrenia
No full textThe general objective of this thesis was to study the differences in neurocognitive functions (anomalous self-experiences) in schizophrenia and to assess their neurobiological basis, evaluating their relationship with parameters previously associated with the definition of biologically relevant subgroups within the schizophrenia syndrome, thereby contributing to its characterization. To achieve this, three specific objectives were proposed: 1)To adapt and validate the Inventory of Psychotic-Like Anomalous Self-Experiences (IPASE) from English into Spanish, enabling the assessment of psychosis-like anomalous self-experiences through a self-administered inventory; 2)To explore differences between segregated groups in terms of cognitive functions and clinical scores;3)To explore differences in cognitive functions between the segregated groups based on structural and functional connectivity variables, using global measures of brain network organization and modulation derived from graph theory.
Taken together, the studies presented in this doctoral thesis have expanded the understanding of neurophysiological and neurocognitive alterations and the presence of ASEs (Anomalous Self-Experiences) in individuals with psychosis, contributing to the definition of biotypes within this syndrome. The results support the hypothesis that schizophrenia does not constitute a single clinical entity, but rather a set of diverse conditions that share certain clinical manifestations yet differ in their underlying mechanisms. In this context, new data-driven methodological approaches may emerge as more effective strategies to capture and understand the complexity and variability that characterize this mental disorder.El objetivo general de esta tesis fue el de estudiar las diferencias en funciones neurocognitivas (experiencias anómalas del self) en esquizofrenia y en evaluar sus bases neurobiológica, valorando su relación con parámetros relacionados previamente con la definición de grupos biológicamente relevantes dentro del síndrome de la esquizofrenia, y así contribuir a su definición. Para dicha tarea se plantearon tres objetivos específicos :1) Adaptar y validar el Inventory of psychotic-like anomalous self-experiences (IPASE) del inglés al español que permita evaluar las autoexperiencias anómalas tipo psicótico a través de un inventario autoaplicado; 2) Explorar las diferencias entre los grupos segregados entre funciones cognitivas y puntuaciones clínicas; 3)Explorar las diferencias en funciones cognitivas entre los grupos segregados en función de las variables estructurales y funcionales de conectividad basándose en medidas globales de la organización y modulación de la red cerebrales derivadas de la teoría de grafos.
En conjunto, los estudios presentados en esta tesis doctoral han ampliado el conocimiento sobre las alteraciones neurofisiológicas y neurocognitivas y la presencia ASEs en los sujetos con psicosis que permitieran la definición de biotipos dentro de este síndrome. Los resultados obtenidos apoyan la hipótesis de que la esquizofrenia no constituye una única entidad clínica, sino un conjunto de condiciones diversas que comparten ciertas manifestaciones clínicas, pero difieren en sus mecanismos subyacentes. En este contexto, nuevos enfoques metodológicos basados en los datos pueden emerger como estrategias más eficaces para capturar y comprender la complejidad y variabilidad que caracteriza a este trastorno mental.Escuela de DoctoradoDoctorado en Investigación en Ciencias de la Salu