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Item type: Ítem , Access status: Acceso Abierto , Evaluación de la curva de sobrevivencia espermática en un cooler en diferentes intervalos de tiempo(Universidad Católica de Cuenca., 2026) Suqui Pinos, Michael Xavier; Moscoso Piedra, Andrés LeonardoSheep production in Ecuador is experiencing a sustained decline in the national flock, coupled with constraints limiting the implementation of reproductive biotechnologies. This study evaluated the sperm survival curve of ram semen diluted with Triladyl® and refrigerated at 5°C in a cooler under field conditions. Viability (Eosin–Nigrosin), membrane integrity (HOST), and progressive motility were assessed from 0 to 24 hours using ANOVA (p<0.05) and linear regression analyses. The research was conducted at Universidad Católica de Cuenca within a community outreach project aimed at reactivating sheep production through the establishment of a germplasm bank using ejaculates from fertility-proven rams collected via artificial vagina. No significant differences were detected among the evaluated parameters; however, regression analyses revealed a gradual decline beginning at 2–6 hours, followed by subsequent stabilization. It is concluded that cooler refrigeration preserves viable seminal parameters for up to 24 hours, representing an accessible alternative for reproductive programs under real production conditions in the Andean region. Keywords: Ecuador; Ejaculates; Ovine; RefrigerationItem type: Ítem , Access status: Acceso Abierto , Evaluación del Efecto Combinado de Menaquinona 4 y Coenzima Q10 sobre la Crioconservación de Semen Ovino(Universidad Católica de Cuenca., 2026) Castro Sánchez, Dayana Patricia; Moscoso Piedra, Andrés LeonardoThis experimental study analyzed the impact of the combined use of two antioxidants, menaquinone-4 and coenzyme Q10, on the quality of ovine semen subjected to cryopreservation, comparing them with the combined effect of each molecule together with L- carnitine and their individual use. This model allowed the evaluation of possible redox effects of the combinations and their saturation in the medium due to their high molecular weight. The effects of these six combinations were assessed in eight ejaculates, analyzing sperm motility, membrane integrity, and cell viability through eosin-nigrosin staining, propidium iodide, rhodamine, and motility evaluation using the CASA system. The results demonstrated a negative effect of the molecular combinations on sperm quality, attributable to medium saturation and increased ionic load, which generated damage to the sperm membrane. It was concluded that limited use of antioxidants in semen extenders is recommended. Keywords: L-carnitine; molecular weight; combined effect; sperm membraneItem type: Ítem , Access status: Acceso Abierto , Desarrollo de arquitecturas de microservicios escalables y resilientes aplicados a las MIPYMES de la ciudad de Azoguez(Universidad Católica de Cuenca., 2026) Sibri Ortiz, Doris Victorioa; Ávila Correa, Blanca LuciaThis paper presents the design, implementation, and validation of a prototype architecture based on scalable and structurally resilient microservices, aimed at optimizing operational processes for an SME in the city of Azogues, Ecuador. The research adopted an applied, single-case study approach, integrating analysis of the current system (AS-IS), modeling of a proposed architecture (TO-BE), and evaluation through technical testing and qualitative analysis. The solution was deployed in a containerized environment using Docker Compose, incorporating an API Gateway, JWT-based authentication, logical separation of databases by microservice, and auditing mechanisms. Quantitative validation showed an approximate 75% reduction in internal processing time for the billing workflow, while qualitative evaluation indicated high levels of satisfaction and perceived organizational improvement on the part of the administrative user. Although the implemented resilience corresponds to a structural level and lacks advanced fault- tolerance patterns, the proposed architecture demonstrates technical and operational viability to drive progressive modernization of SME in resource-constrained contexts.Item type: Ítem , Access status: Acceso Abierto , Tecnologías innovadoras para mejorar el rendimiento físico en el ciclismo competitivo: revisión bibliográfica(Universidad Católica de Cuenca., 2026) Brito Brito , Edisson Edmundo; Barros Parra , Patricio MarceloThis present study aimed to analyze the available scientific evidence regarding the use of innovative technologies to enhance performance in competitive cycling, through a literature review of studies published in Spanish from 2017 to the present. The study was conducted under a qualitative, descriptive approach, based on a systematic search for information in reliable scientific databases. The collected results were systematized in a literature review matrix, an instrument that analytically integrated the contributions of each consulted source. The findings indicate that technologies such as heart rate monitors, power meters, data analysis platforms, and digital tools have become fundamental instruments for the objective quantification of training load in cycling. It is concluded that the systematic and methodologically appropriate use of these technologies contributes to the optimization of the training process and to improved performance in competitive cycling.Item type: Ítem , Access status: Acceso Abierto , Desarrollo de un aplicativo web para la gestión de laboratorios, aulas de realidad virtual y otros espacios educativos(Universidad Católica de Cuenca., 2026) Álvarez Dos Santos, Adrián Orlando; Pauta Ayabaca, LeopoldoThis paper presents the development of a comprehensive web-based system for managing and scheduling virtual reality classrooms at the Catholic University of Cuenca. The primary objective was to design and implement a technological solution that optimizes the booking of specialized academic spaces, enhancing the experience of faculty members and administrators through a modern, intuitive, and functional interface. The system architecture is based on a client-server model. The backend was developed in Python using the Flask framework, implementing a RESTful API consisting of 67 endpoints organized into 10 functional modules. The PostgreSQL relational database manages information on users, classrooms, reservations, training sessions, and dynamic content. The frontend, developed using Flutter, offers a responsive and cross-platform interface. The system includes authentication via JSON Web Tokens (JWT) with three defined roles: faculty members, administrators, and superadministrators. In addition, a training module has been incorporated to control faculty authorization for the use of VR classrooms, ensuring that only trained users can make reservations. An image processing service was also integrated for multimedia content management. Functional testing confirmed that the system covers the entire scheduling cycle: user registration, training requests, and reservation management. Finally, its modular architecture facilitates maintenance and scalability, while the use of cloud services ensures availability and accessibility, contributing to the university digital transformation.
