Universidad Ciencia y Tecnología

Analysis of Mental Health and Accelerated Use of Technologies: A Psychological Study among Chilean Workers

2026-07-09T23:24:58+00:00

Technostress is an emerging psychosocial risk associated with the accelerated adoption of technologies in the workplace. Although its impact on mental health has been documented in the educational sector, there is limited evidence in Chile regarding other occupational sectors. This study examined the relationship between technostress and mental health, specifically anxiety, depression, and stress, in 178 Chilean workers, using a cross-sectional correlational-predictive design. The Technostress Creators Scale, RED-TIC, and DASS-21 were administered, and mean comparisons, correlations, network analysis, and multiple regressions were performed. Sociodemographic differences were limited, with higher techno-insecurity observed in men and higher techno-intrusion among young workers and fee-based workers. Technostress manifestations showed moderate associations with mental health, exceeding those observed for technostress creators. Techno-intrusion predicted distress, while technological skepticism predicted depression. The findings suggest the need to incorporate technostress as a psychosocial risk and to further explore the mediation mechanisms among the variables.

Concentrate of Omega-3 Fatty Acids EPA and DHA Obtained by Winterization of Crude Anchovy Oil (Engraulis ringen)

2026-07-11T03:24:25+00:00

This study evaluated the production of a concentrate of omega-3 fatty acids EPA and DHA through the winterization of crude anchovy oil (Engraulis ringens). Two samples obtained from processing plants in Chimbote and Callao, Peru, were subjected to temperatures of 22, 10, 5, 0, and −5 °C for 96 h. Free acidity and iodine value were determined according to Peruvian technical standards, while the fatty acid profile was analyzed by gas chromatography. The samples treated at 0 and −5 °C crystallized completely and were therefore excluded from further analysis. The treatment at 5 °C produced the highest enrichment of EPA and DHA, reaching combined contents of 39.99% and 40.19% in the Chimbote and Callao samples, respectively. In addition, free acidity remained within regulatory limits, and the iodine value increased, confirming that winterization is an efficient alternative for concentrating omega-3 fatty acids while preserving oil quality.

Optimization of Temporary Shelter Locations Using Spatial Accessibility Analysis for Earthquake Response

2026-07-13T16:06:48+00:00

Earthquakes represent a significant threat to urban areas, where territorial vulnerability increases the risk to the population. The objective of this study was to optimize the location of temporary shelters through a spatial accessibility analysis to strengthen earthquake response. A quantitative, applied, non-experimental study was conducted using Geographic Information Systems (GIS), the Analytic Hierarchy Process (AHP), and multicriteria analysis. The model integrated variables related to seismic hazard, topography, geology, soil type, road accessibility, and population distribution to identify optimal shelter locations and evacuation routes. The results showed a predominance of areas with high and very high hazard levels, allowing the proposal of thirteen strategically distributed shelters. It is concluded that the integration of GIS and AHP constitutes an effective tool to support territorial planning and strengthen seismic risk management.

Structural Diversity and Chemical Space of Flavonoids Reported in Latin American Plant Resources: A Cheminformatics Study

2026-07-14T16:28:53+00:00

Flavonoids constitute a group of plant metabolites of high interest due to their structural diversity and the influence that their chemical modifications exert on their molecular properties. This study characterized the structural diversity and chemical space of flavonoids reported in Latin American plant resources through the integration and curation of open data from COCONUT and PubChem. The methodology was based on the construction of a regional corpus, its strict curation according to chemical consistency and biological origin, nominal integration with PubChem, and descriptive and multivariate analysis of physicochemical descriptors. The results showed a structurally heterogeneous set, with a predominance of methoxylated and glycosylated flavonoids, high chemical traceability between databases, and a discernible organization of the chemical space. Overall, this study provides a reproducible pathway for exploring Latin American natural metabolites using cheminformatics tools