Simultaneous Surface Plasmon Resonance and X-ray Absorption Spectroscopy

We present here an experimental set-up to perform simultaneously measurements of surface plasmon resonance (SPR) and X-ray absorption spectroscopy (XAS) in a synchrotron beamline. The system allows measuring in situ and in real time the effect of X-ray irradiation on the SPR curves to explore the interaction of X-rays with matter. It is also possible to record XAS spectra while exciting SPR in order to detect the changes in the electronic configuration of thin films induced by the excitation of surface plasmons. Combined experiments recording simultaneously SPR and XAS curves while scanning different parameters can be carried out. The relative variations in the SPR and XAS spectra that can be detected with this set-up ranges from 10-3 to 10-5, depending on the particular experiment

Precarious Employment and Stress : The Biomedical Embodiment of Social Factors. PRESSED Project Study Protocol

Juan de la Cierva Incorporación fellowship (IJCI-2017-33999) ; ICREA Academia programThe PRESSED project aims to explain the links between a multidimensional measure of precarious employment and stress and health. Studies on social epidemiology have found a clear positive association between precarious employment and health, but the pathways and mechanisms to explain such a relationship are not well-understood. This project aims to fill this gap from an interdisciplinary perspective, integrating the social and biomedical standpoints to comprehensively address the complex web of consequences of precarious employment and its effects on workers' stress, health and well-being, including health inequalities. The project objectives are: (1) to analyze the association between multidimensional precarious employment and chronic stress among salaried workers in Barcelona, measured both subjectively and using biological indicators; (2) to improve our understanding of the pathways and mechanisms linking precarious employment with stress, health and well-being; and (3) to analyze health inequalities by gender, social class and place of origin for the first two objectives. The study follows a sequential mixed design. First, secondary data from the 2017 Survey on Workers and the Unemployed of Barcelona is analyzed (N = 1,264), yielding a social map of precarious employment in Barcelona that allows the contextualization of the scope and characteristics of this phenomenon. Drawing on these results, a second survey on a smaller sample (N = 255) on precarious employment, social precariousness and stress is envisaged. This study population is also asked to provide a hair sample to have their levels of cortisol and its related components, biomarkers of chronic stress, analyzed. Third, a sub-sample of the latter survey (n = 25) is selected to perform qualitative semi-structured interviews. This allows going into greater depth into how and why the experience of uncertainty, the precarization of living conditions, and the degradation of working conditions go hand-in-hand with precarious employment and have an impact on stress, as well as to explore the potential role of social support networks in mitigating these effects

Higher socioeconomic status is related to healthier levels of fatness and fitness already at 3 to 5 years of age: The PREFIT project: Relation between socioeconomic status, fatness and fitness in preschoolers

This study aimed to analyse the association between socioeconomic status (SES) and fatness and fitness in preschoolers. 2, 638 preschoolers (3–5 years old; 47.2% girls) participated. SES was estimated from the parental educational and occupational levels, and the marital status. Fatness was assessed by body mass index (BMI), waist circumference (WC), and waist-to-height ratio (WHtR). Physical fitness components were assessed using the PREFIT battery. Preschoolers whose parents had higher educational levels had lower fatness (P < 0.05). BMI significantly differed across occupational levels of each parent (P < 0.05) and WHtR across paternal levels (P = 0.004). Musculoskeletal fitness was different across any SES factor (P < 0.05), except handgrip across paternal occupational levels (P = 0.05). Preschoolers with high paternal occupation had higher speed/agility (P = 0.005), and those with high or low maternal education had higher VO2max (P = 0.046). Odds of being obese and having low musculoskeletal fitness was lower as SES was higher (P < 0.05). Those with married parents had higher cardiorespiratory fitness than single-parent ones (P = 0.010). School-based interventions should be aware of that children with low SES are at a higher risk of obesity and low fitness already in the first years of life

Recuperación precoz tras cirugía cardiaca en una unidad de reanimación posquirúrgica

La técnica conocida como "fast-track" o técnica de "recuperación precoz" es un proceso de planificación del periodo perioperatorio de los pacientes intervenidos de cirugía cardiaca (CC) que tiene como objetivo el no prolongar la intubación traqueal y la ventilación mecánica. El objetivo de nuestro estudio fue observar si los pacientes intervenidos de CC ingresados en nuestra URPA, eran extubados antes que los pacientes ingresados directamente en la unidad de cuidados intensivos de CC (UCIC) y si esto repercutía en la estancia en la UCIC y en el hospital y en la incidencia de complicaciones postoperatorias. Este grupo "fast-track", 109 pacientes (Grupo I) se comparó con un grupo control de 40 pacientes (Grupo II) intervenidos de CC durante el mismo periodo de tiempo y que fueron ingresados directamente en la UCIC. En ambos grupos se valoraron el tiempo de intubación, la estancia en la UCIC y en el hospital, las complicaciones postoperatorias y la mortalidad hospitalaria. Al finalizar la cirugía, los pacientes del Grupo I, fueron trasladados a la URPA, hasta que eran extubados. Los pacientes del Grupo II, fueron trasladados directamente a la UCIC. Las complicaciones de ambos grupos en UCIC fueron similares. En conclusión, nuestros resultados indican que la técnica de "fast-track" realizada en una URPA permite acortar el tiempo de ventilación mecánica y de intubación sin aumento de la mortalidad y morbilidad de los pacientes