Modulating the Optoelectronic Properties of Silver Nanowires Films: Effect of Capping Agent and Deposition Technique

[EN]Silver nanowires 90 nm in diameter and 9 m in length have been synthesized using different capping agents: polyvinyl pyrrolidone (PVP) and alkyl thiol of different chain lengths. The nanowire structure is not influenced by the displacement of PVP by alkyl thiols, although alkyl thiols modify the lateral aggregation of nanowires. We examined the effect of the capping agent and the deposition method on the optical and electrical properties of films prepared by Spray and the Langmuir-Schaefer methodologies. Our results revealed that nanowires capped with PVP and C8-thiol present the best optoelectronic properties. By using different deposition techniques and by modifying the nanowire surface density, we can modulate the optoelectronic properties of films. This strategy allows obtaining films with the optoelectronic properties required to manufacture touch screens and electromagnetic shielding

Anxiety and Emotional Intelligence: Comparisons Between Combat Sports, Gender and Levels Using the Trait Meta-Mood Scale and the Inventory of Situations and Anxiety Response.

The present study compared emotional intelligence and anxiety between six combat sports of lower, intermediate and high-level female and male athletes. The sample was composed by 444 athletes (age: 24.7 8.8 years, body mass: 72.4 12.1 kg, height: 1.82 0.3 m, and practice time: 13.1 7.4 years) separated by sex (male n = 273, female n = 171) from different combat sports (jiu-jitsu n = 142, judo n = 137, karate n = 57, kendo n = 63, taekwondo n = 25, and freestyle wrestling n = 20) of three levels (high-level n = 57, intermediate n = 137 and low-level n = 142). Inventory of situations and anxiety response (ISRA) provided an independent evaluation for the three systems: cognitive, motor and physiological, as well as a total with four factors of analysis (anxiety before the evaluation, interpersonal, phobic and before habitual, and daily situations). Trait Meta-Mood Scale (TMMS-24) verified emotional intelligence scales. Descriptive results are demonstrated by percentage or median (first quartile Q1; third quartile Q3), Kruskal-Wallis and Mann-Whitney tests were conducted to compare groups, p 0.05. The main results demonstrated 10% more total anxiety for wrestling and judo compared to the other groups (p 0.05). Female athletes showed 15% more anxiety than men, while emotional attention demonstrated 10% better results for women. Significant differences were observed between high- versus low-level athletes in the total anxiety with 85 (44; 143) versus 122 (69; 186) of ISRA index and emotional repair with 30 (25; 34) versus 27 (22; 32) of TMMS-24 index. Emotional intelligence seems to be higher in female and in higher level, while anxiety appears to be prevalent in judo and wrestling, low-level and in female athletes. These outcomes provide support for the hypothesis that emotional abilities are an important contributor to emotional intelligence, particularly differentiating high level athletes than other levels. Results can be incorporated into strategies for reducing anxiety and improving emotional intelligence, considering particularities of gender and level groups.post-print274 K

Family CEO affect and R&D investments of family firms: The moderation effect of family ownership structure

The last decades have seen increasing interest in the determinants of heterogeneity in family firm innovation. In this study, we respond to recent calls to address the micro-level mechanisms behind innovation in family firms. Specifically, we analyze the effect of family CEO affect, namely positive and negative affective traits, on the R&D investment decisions of family firms. We also analyze the moderating effect of family ownership structure on the influence of CEO affect on these strategic decisions. Consistent with affect maintenance arguments, our findings of a sample of 142 Spanish family firms show that positive family CEO affect negatively influences the R&D investments of family firms, while negative affect positively influences these investments. The results also show that family CEO ownership and family CEO branch ownership strengthen the effects of family CEO affect on R&D investments, whereas ownership concentration in other family branches weakens these effects.This work was supported by grant from the Spanish Ministry of Science and Innovation (Ministerio de Ciencia e Innovacion) ´ PID2020-120288 GB-I00

Cognitive Aging

The study of cognitive function in gerontology is considered relevant because it is an important risk factor for other pathologies in the old age, such as physical disability and dependence, depression, and frailty, mainly because of early pathological changes in cognitive function which are considered a preclinical state that may progress to dementia. In this chapter, cognitive functioning and the dimensions that are included in it (attention, memory, meta-memory, processing speed, executive functions, visuospatial skills, and language) are conceptualized. Additionally, the current evidence is analyzed regarding age-associated changes that are experienced during cognitive aging. These changes, or cognitive decline, are distinguished from those that are part of cognitive pathologies, the most common mild cognitive impairment and dementia. Such pathologies are conceptualized based on the current diagnostic criteria, and controversies and challenges are discussed. Additionally, we analyze the risk factors for cognitive functioning in aging, both modifiable and nonmodifiable ones. A review of the main nonpharmacological intervention techniques used from the gerontology approach is made. It includes the cognitive training in the case of age-related decline or techniques of stimulation and cognitive rehabilitation in the case of mild cognitive impairment or dementia. Finally, we conclude with an analysis of the current state of this topic in the field of gerontology and its relevance in professional practice

Determinación de las estrategias implementadas para prevención y/o intervención de consumo de tabaco, en jóvenes estudiantes de establecimientos educacionales de la Fundación Belén Educa, en la Región Metropolitana de Chile en el año 2015

Tesis (Licenciatura en Kinesiología)El objetivo de este estudio, es determinar el tipo de estrategias que están siendo implementadas para prevenir y/o intervenir el consumo temprano de tabaco, en los distintos establecimientos educacionales que pertenecen a la Fundación Belén Educa, ubicados en la Región Metropolitana de Chile. Para este fin, se creó una encuesta que permitió obtener la información necesaria en 10 de los 11 establecimientos de la FBE, con la cual se obtuvieron resultados relacionados a los enfoques teóricos aplicados en cada establecimiento (de carácter informativo, habilidades sociales e influencia social) y las estrategias utilizadas y conocidas por cada uno. De los resultados obtenidos se pudo observar que las estrategias más utilizadas son de carácter informativo, las cuales si bien son de fácil aplicación, son poco efectivas. Se pudo apreciar, que el conocimiento y aplicación de las estrategias por parte de los establecimientos es bastante desigual. Si bien, las estrategias que se utilizan en Chile, son muy similares a las usadas en los países con bajos índices de consumo de tabaco, esto no se ve reflejado en los niveles de consumo en jóvenes de nuestro país, que siguen siendo muy altos. En Chile se han creado estrategias y planes de acción para el consumo de tabaco en jóvenes, pero el principal problema es que no existe una continuidad y seguimiento sobre la aplicación de éstas. Esto último, impide que haya un registro claro y accesible sobre los resultados que se obtienen, al aplicar las estrategias que se están planteando

DisTecD, a journal for the dissemination of design and technology for development

DisTecD is a scientific journal ealing with design and technology for human development. Its principal objective is the dissemination of topics related to design and industrial and civil engineering that contribute in any sense to human development. Special emphasis is given to social technology. Every article published in this electronic journal is reviewed by at least two editors. The journal is freely accessible via the POLI-RED platform of the University Politechnic of Madrid

MUC1 positive cutaneous metastasis with transepidermal elimination from a breast carcinoma

Breast cancer is the most common cause of cutaneous metastases from internal malignancies. Generally, the neoplastic cells are located in the dermis or hypodermis, while a finding of transepidermal elimination on cutaneous metastases is exceptional. In this report we present a patient with perforating cutaneous metastases from breast cancer with mucin 1 expression. Cutaneous, bone, lung, and hepatic lesions were detected two years after the diagnosis of the primary tumor.Centro de Investigaciones Inmunológicas Básicas y Aplicada

Stress, subjective wellbeing and self-knowledge in higher education teachers: A pilot study through bodyfulness approaches.

Work-related stress is a major cause of health problems worldwide. Faculty in educational institutions, including universities, also face high levels of stress, which undoubtedly affects their performance, level of personal satisfaction and wellbeing, and the relationship with students. Training interventions based on embodied learning can promote self-knowledge, emotional regulation and stress reduction, thereby increasing levels of psychological well-being. The present pilot study analyzed the impact of body awareness training in 31 university teachers using a controlled, randomized pre-post experimental design, with two experimental groups and a control group (n = 10). The two interventions were: Hatha Yoga (n = 11) and Dance Movement Therapy/Body Mind Centering (n = 10), which we have termed Body Movement Awareness. Variables related to body awareness, mindfulness, wellbeing, life satisfaction and stress were measured using self-perception tests. Cortisol levels, heart rate variability and sleep quality were also analyzed. Finally, participants’ reflections were analyzed according to a qualitative approach. The results showed significant differences between the control group and the Hatha Yoga group in terms of stress reduction and wellbeing. The Body Movement Awareness group exhibited evidence of contributions on self-knowledge, communication and kinesthetic empathy, key elements in the educational field. Despite the inherent limitations of the study, the conclusions are encouraging and open new lines of research from embodied approaches that introduce creative movement and group experience as part of the process of emotional regulation and self-knowledge.post-print2831 K

Embodied Learning for Well-Being, Self-Awareness, and Stress Regulation: A Randomized Trial with Engineering Students Using a Mixed-Method Approach.

post-print1502 K