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Stimuli-Responsive Functionalization Strategies to Spatially and Temporally Control Surface Properties: Michael vs DielsAlder Type Additions
Les monocapes auto-enssemblades que responen als estímuls (SAM's), s’utilitzen per conferir canvis físics, químics o propietatsbiològiques a les superfícies mitjançant l'aplicació de estímuls externs. Les SAM's preparades en aquest treball han sigut impresses permicrocontacte d’una hidroquinona (molècula que s’utilitza com a interfície dinàmica) per a la immobilització de diferents molèculesfuncionals, mitjançant la reacció de Diels - Alder o reaccions d'addició de tipus Michael. La interacció molecular s'activa i es modula amb unpetit potencial electrònic. L' aplicabilitat d'aquest tipus de superfícies abarquen una gran diversitat de camps: des de la detecció molecular,fins a la biomedicina passant per l’emmagatzematge o neteja de dades (per comentar-ne algunes aplicacions). En aquest treball es realitzauna comparació directa de les dues estratègies de funcionalització a la capa metàlica d'or. Tot i que l’addició de Michael requereixmolècules que siguin comercials o que siguin fàcil de preparar des d'un punt de vista sintètic en comparació amb els derivats deciclopentadien necessaris per a la reacció de Diels-Alder, aquesta última reacció produeix cobertures més homogènies en condicionsexperimentals similars. El treball, per tant, descriu una comparativa detallada de les dues tècniques, per funcionalizar aquestes superfíciesde reconeixement i fixació molecular. Adjunto l'article científic, perquè sigui visible
<em>Adrienne Salinger, microhistorias y Living Solo</em>
Adrienne Salinger en su proyecto Living Solo nos muestra cómo es nuestro entorno privado en tanto que extensión directa de nuestro ser y opta por las microhistorias a través de un registro testimonial real y efectivo. Palabras clave: arte contemporáneo, diversidad testimonial, fotografía, microhistorias, Adrienne Salinge
Is the standard Eurasian otter Lutra lutra survey strategy suitable for surveying the American mink Neovison vison?
The American mink Neovison vison is an elusive mustelid that is monitored mostly through the detection of its field signs, namely, footprints and scats. In Europe, the American mink has been often monitored using the standard otter survey strategy developed specifically for the Eurasian otter Lutra lutra, requiring to walk transects of 600 m spaced at least 5 km apart. We tested whether the standard otter survey strategy was appropriate for surveying mink. We studied a high-density population of mink along a 9-km stretch of river between December 2004 and April 2005. Monthly surveys were conducted and scats and footprints were recorded within 100-m sections along the river. The results showed a monthly variation in signs recovery, with the months of December, January and February being the best ones for surveying. Transects of 600 m detected mink between 74 and 90 % of the times in all months, excluding March when detection was as low as 56 %. Taken all together, the results suggest that the standard otter survey strategy was adequate to detect mink, at least in this case where species density was high. The study also highlighted monthly differences in signs detection, suggesting that temporal variations should be taken into account when designing the sampling strategy and the length of the sampling units (transects). In the months immediately following the mating season (and possibly in lower-density mink populations), it may be advisable to increase the length of transects to increase detection of mink
Ecosocial social work: first steps in teaching innovation from the Social Work degree at the University of Barcelona
El articulo presenta un proyecto para la educación en la perspectiva ecosocial en los estudios de Trabajo Social. El Trabajo Social necesita adoptar un posicionamiento más ecocéntrico en sus intervenciones. Las cuestiones ambientales son fundamentales para su práctica, es por ello por lo que este proyecto pretende reforzar los retos ecológicos activando a las generaciones futuras de trabajadores/as sociales para incorporar la responsabilidad medioambiental en su vida profesional, para ser capaces de ejercer unas prácticas acordes a la justicia social. El proyecto de innovación docente se ha realizado en la asignatura Trabajo Social de grupo y la asignatura Habilidades comunicativas con grupos y comunidades, con un enfoque de enseñanza de trabajo de reflexión, aprendizaje en grupo y simulaciones grupales. Los primeros resultados de este proyecto corroboran la adecuación de una metodología específica de aprendizaje que incorpora la perspectiva ecosocial en tres niveles. Los resultados confirman que los aspectos ecosociales pueden y deben estar presentes en la enseñanza de las metodologías de intervención para una práctica del Trabajo Social más holística, interconectada y profundamente ética
Editorial de Re-Visiones, no 12
Como editoras, queremos agradecer a la revista Re-Visiones la invitación para ela-borar este volumen dedicado a una de las cuestiones fundamentales del mundo con-temporáneo: el trabajo/empleo y la cons-trucción de subjetividades a partir de nues-tras tareas
Effectiveness of a nurse training intervention in the emergency department to improve the diagnosis and treatment of stemi patients: EDUCAMI study
Background: Clinical practice guidelines for acute coronary syndrome recommend an interval between electrocardiogram (ECG) and balloon of <60 min in patients attending the emergency department (ED) of a hospital with primary angioplasty capacity. Compliance with this can be complex, especially in atypical presentations. Objective: To assess the effectiveness of specific training for ED triage nurses in reducing ECG-balloon time in STEMI. Methods: Quasi-experimental study with a pre-test-post-test design. In June 2021, a training intervention was implemented in the diagnosis of STEMI in the ED. The EDUCAMI program included complex presentations, emphasising disparities in women and elderly people. A historical sample was compared with a post-intervention sample. All patients consecutively activated as code STEMI in the ED were included, excluding those activated out-of-hospital. The main variable was ECG-balloon time, which was compared according to sex and age. Results: The final sample consisted of 447 patients distributed into historical sample (n = 327) and post-test groups (n = 120). A reduction from 88 (65-133) to 60 (50-116) minutes in ECG-balloon time was observed in the post-test group together with a shorter hospital stay of 5 (3-8) vs 4 (3-5.5) days (p= 0.013). When comparing according to sex and age, a decrease in ECG-balloon time (p < 0.001) was observed in men and patients under 65 years of age (p < 0.001). Conclusions: The training intervention proved effective, reducing the ECG-balloon time by 32 %. EDUCAMI reduces the time in men and young people, however, the bias persists in women and those over 65 years of age
Are our Future Socio-Educational Agents Duly Prepared to Foster Intercultural and Interreligious Dialogue in their Professional Practice?
Despite the strong influence of religion in today’s world, religious education at university is rather sparse. Universities must be proactive in overcoming negative prejudices and combating symbolic and religious illiteracy that curbs appreciation of other cultural realities. This paper carries out a diagnosis of future social and educational agents in order to discover their attitudes to the challenge that they will have to face in the fostering of intercultural and interreligious dialogue. The results would lead us to believe that initial and continuous education should be introduced in order to foment a profound understanding of the religious dimension
Identifying neurocognitive heterogeneity in Older Adults with Bipolar Disorder: a cluster analysis
Background: Cognitive profiles of BD patients show a demonstrated heterogeneity among young and middle-aged patients, but this issue has not yet deeply explored in Older Adults with bipolar disorder (OABD). The aim of the present study was to analyze cognitive variability in a sample of OABD.
Methods: A total of 138 OABD patients and 73 healthy controls were included in this study. A comprehensive neuropsychological assessment was administered. We performed a k-means cluster analysis method based on the neurocognitive performance to detect heterogeneous subgroups. Demographic, clinical, cognitive and functional variables were compared. Finally, univariate logistic regressions were conducted to detect variables associated with the severity of the cognitive impairment.
Results: We identified three distinct clusters based on the severity of cognitive impairment: (1) a preserved group (n = 58; 42%) with similar cognitive performance to HC, (2) a group showing mild cognitive deficits in all cognitive domains (n = 64; 46%) and, finally, (3) a group exhibiting severe cognitive impairment (n = 16; 12%). Older age, late onset, higher number of psychiatric admissions and lower psychosocial functioning were associated with the greatest cognitive impairment. Lower age, more years of education and higher estimated IQ were associated with a preserve cognitive functioning.
Limitations: The small sample size of the severely impaired group.
Conclusions: Cognitive heterogeneity remains at late-life bipolar disorder. Demographic and specific illness factors are related to cognitive dysfunction. Detecting distinct cognitive subgroups may have significant clinical implications for tailoring specific intervention strategies adapted to the level of the impairment and also to prevent cognitive decline
Impacts of Climate, Organic Management, and Degradation Status on Soil Biodiversity in Agroecosystems Worldwide
Unsustainable soil management, climate change, and land degradation jeopardize soil biodiversity and soil-mediated ecosystem functions. Although the transition from conventional to organic agriculture has been proposed as a potential solution to alleviate these pressures, there is limited evidence of its effectiveness in enhancing belowground biodiversity across different biogeographical regions, climates, and land degradation levels. In this study, we holistically assessed the status of soil biodiversity, from microorganisms to meso- and macrofauna, in agroecosystems distributed across four continents. We identified the primary environmental community composition drivers and assessed the effects of the transition from conventional to organic management (no chemical inputs) on soil ecology. Our findings highlight the mean temperature and precipitation of the warmest and coldest quarters of the year, aridity, pH, and soil texture as the primary drivers of the different soil biodiversity components. Overall, organic farming has a significant but small impact on soil biodiversity compared to the other community drivers. On top of that, the results demonstrate the importance of a regional-specific context for a future generalized transition towards organic soil management. Specifically, under the most arid conditions in our study, organic management showed potential to buffer biodiversity loss in highly degraded soils, with a significant increase in diversity for prokaryotes and protists compared to conventionally managed soils. Therefore, the combination of a global and, simultaneously, regional-specific approach supports the hypothesis that a shift towards organic agriculture would maximize its beneficial impact on belowground diversity in highly degraded soils under arid conditions over the coming years, being a crucial tool to increase resilience and adaptation to global change for agriculture
Neuromatch Academy: a 3-week, online summer school in computational neuroscience
Neuromatch Academy (https://academy.neuromatch.io) was designed as an online summer school to cover the basics of computational neuroscience in three weeks. The materials cover dominant and emerging computational neuroscience tools, how they complement one another, and specifically focus on how they can help us to better understand how the brain functions. An original component of the materials is its focus on modeling choices, i.e. how do we choose the right approach, how do we build models, and how can we evaluate models to determine if they provide real (meaningful) insight. This meta-modeling component of the instructional materials asks what questions can be answered by different techniques, and how to apply them meaningfully to get insight about brain function