Minerva

Sustainable Energy Utilization Assessed Through a Multi-criteria Approach from Biogas Produced with Filter Cake

2025-09-18T17:34:07+00:00

This study examines the technical, economic, social, and environmental feasibility of generating electricity from biogas derived from filter cake, an organic byproduct of industrial processes. Assuming a daily substrate availability of 20,000 kg, the estimated biogas production was 187 m³/h, yielding an electrical output of 874 kWe. Multicriteria decision analysis methods, including AHP, TOPSIS, and ELECTRE, were applied to evaluate the project. The results demonstrate strong performance in the environmental, social, and technical dimensions but reveal significant economic constraints. Situated in the Bolivian context, this research highlights the potential for energy recovery from organic waste in emerging economies while underscoring the need for policy incentives and operational scaling to ensure financial viability.

El rol de la inteligencia artificial en técnicas no invasivas para el diagnóstico del cáncer oral

2025-09-18T17:33:57+00:00

Artificial intelligence (AI) is a promising tool for detecting oral cancer, as it is less invasive and costly, and has a high potential for accuracy. In this context, this study aimed to explore the application of AI for the early detection of oral cancer, its applications, and its future potential. To this end, a five-stage literature review was conducted in the Scopus, Scielo, and Latindex databases (2019-2024). The results revealed that AI performs effectively in the diagnosis of oral cancer, thanks to its ability to identify patterns, rapidly analyze data, perform classification tasks, and other capabilities. It was concluded that AI still faces several challenges that must be overcome; therefore, it is expected that, in the future, AI will continue to develop and be definitively integrated into oncological processes.

Academic Cyberplagiarism as a Practice of Dishonesty in Engineering Students

2025-09-24T23:56:19+00:00

This article examines academic cyberplagiarism as a form of dishonesty among engineering students, integrating historical, theoretical, and practical perspectives. Despite changes in its discursive representation, plagiarism continues to be regarded as both a moral and legal infraction. A non-experimental, quantitative, cross-sectional research design was employed. The study sample consisted of 360 engineering students, along with 200 academic papers reviewed for evidence of cyberplagiarism. The findings reveal that most students engage in practices such as downloading complete papers, copying paragraphs, or removing citations, primarily driven by lack of time and the pursuit of higher grades. The results also indicate a prevailing belief that all online content is freely available for use. Notably, 92\% of the reviewed works lacked proper bibliographies and contained fragments of digital documents.

Artificial Intelligence in the Study of Heavy Metals in Agriculture: A Bibliometric Study

2025-10-09T00:17:37+00:00

Este estudio bibliométrico evaluó la producción científica sobre el uso de la inteligencia artificial (IA) en el estudio de metales pesados en la agricultura, con el objetivo de identificar vacíos y tendencias en las líneas de investigación. Se realizó una búsqueda en Scopus recuperando 127 registros; tras aplicar criterios de inclusión y exclusión, se eliminaron 58 registros y los 69 restantes se analizaron con Bibliometrix y VOSviewer. Se generaron gráficos de evolución temporal, producción por países, co-ocurrencia de palabras clave y análisis temático. Las publicaciones presentan una alta tasa de crecimiento anual (42,86%), con China e India como principales contribuyentes. El análisis reveló líneas emergentes en fertilización, biorremediación y monitoreo inteligente, así como vacíos en toxicología alimentaria, validación de insumos, capacitación rural con IA y uso de interfaces conversacionales como ChatGPT para una agricultura sostenible. Estos hallazgos constituyen una base estratégica para orientar futuras investigaciones interdisciplinarias en el campo agroambiental.

Assessment of the Impact of Technical Knowledge Transfer among Public Sector Employees

2025-11-18T01:16:57+00:00

This study aimed to determine the impact of technical knowledge transfer on public sector workers. It employed a quantitative approach with a correlational design and explanatory level, developed with a sample of 110 workers selected through non-probabilistic and intentional sampling. The survey technique was used, and two \textit{ad hoc} questionnaires were applied for the research. The results showed that 45\% of participants perceive a low level of knowledge transfer, while 46\% reported a high level of job performance. Likewise, the Nagelkerke Pseudo R\textsuperscript{2} coefficient indicated that the transfer of technical knowledge influences job performance levels in the public sector by 42.3\%, demonstrating that the model has an adequate predictive capacity.}

Assessment of Stress and Resilience in Medical Interns

2025-10-14T00:31:54+00:00

El presente estudio tuvo como objetivo establecer la asociación entre el estrés y la resiliencia en internos de medicina en entornos hospitalarios. La investigación se realizó con un diseño no experimental, observacional, transversal y analítico, utilizando dos cuestionarios estandarizados. La muestra estuvo conformada por 130 internos de medicina. Los resultados indicaron que la correlación entre el nivel global de estrés y el nivel global de resiliencia en los internos fue positiva, aunque débil y no estadísticamente significativa.

Influence of Motivation on Job Satisfaction: Evidence from Educational Management

2025-10-16T00:39:43+00:00

This research analyzed the relationship between motivation and job satisfaction in 21 academic workers, employing a quantitative and descriptive approach. Two Likert-scale questionnaires were used, with high reliability (Cronbach’s alpha > 0,9). The data, collected ethically, were analyzed with SPSS v27 using descriptive statistics and Spearman’s Rho. A total of 57.1 % reported high motivation and 52.4 % high satisfaction, although intermediate and low levels suggest the influence of other factors such as organizational climate. Thus, the results show a moderate positive correlation (ρ = 0,699, p < 0,05), highlighting that psychological and intellectual characteristics influence satisfaction more than physiological aspects. It is concluded that intrinsic motivation is essential for workplace well-being, and it is recommended to strengthen communication, training, and recognition, in addition to furthering future studies on leadership and organizational climate.

Incidence of Forensic Auditing in Reducing Corruption Among Public Officials in Latin America

2025-10-27T00:55:27+00:00

The increase in corruption in the public sector in Latin America has motivated the analysis of the role of forensic auditing as a tool for its reduction. This research raised the hypothesis that forensic auditing has a significant incidence on the reduction of corruption of public officials. A basic study was developed, with a quantitative approach, correlational-causal level and non-experimental design. The population was made up of 500 people, of which a sample of 217 was selected. The results of the correlation and linear regression analysis showed a positive and significant relationship between the application of forensic audits and the reduction of corrupt practices. Consequently, it is concluded that forensic auditing constitutes an effective mechanism to mitigate corruption in Latin American public management

Systematic Review of Heavy Metal Contamination in Crabs of the Genus Ucides

2025-10-31T01:57:59+00:00

Se realizó una revisión sistemática sobre la contaminación por metales pesados en cangrejos del género Ucides, siguiendo la guía PRISMA 2020, con el objetivo de evaluar la información existente e identificar vacíos que guíen a nuevas investigaciones. Se realizó una búsqueda bibliográfica en cinco bases de datos obteniendo 389 registros. Tras eliminar duplicados y aplicar criterios de inclusión y exclusión, se seleccionaron 19 documentos, complementados con 8 adicionales obtenidos mediante asistentes de inteligencia artificial, conformando un corpus de 27 estudios. Se obtuvo la producción científica por especie, país, zonas geográficas y temáticas abordadas. Los resultados evidencian una concentración investigativa en Brasil y Ecuador, con predominancia de Ucides cordatus sobre U. occidentalis. Se reportó alto nivel de contaminación en estos cangrejos. Se identificaron vacíos temáticos relevantes en ambas especies de Ucides, lo que permite orientar futuras investigaciones hacia enfoques integradores en ecotoxicología, salud pública y conservación de ecosistemas de manglar.

Urban Quality of Life in the Framework of Sustainable Development: A Systematic Literature Review

2025-11-09T01:11:06+00:00

This study presents an exhaustive analysis of academic publications related to urban quality of life and its connection with the Sustainable Development Goals over the past decade. The analysis follows the PRISMA protocol to ensure transparency and reproducibility. The results reveal an increasing focus on factors such as access to basic services, environmental sustainability, and social cohesion as key pillars for improving quality of life in urban contexts. Key trends were identified, including the relationship between quality of life and urban resilience to climate change, as well as the importance of participatory urban planning. The study concludes that, although significant progress has been made, challenges remain related to inequality, pollution, and climate change adaptation, highlighting the need for multidisciplinary approaches to ensure the well-being of urban populations within the framework of sustainable development.

Assessing the Impact of Technology on Inclusive Registry Services

2025-11-13T01:13:38+00:00

The modernization of registry services through technologies such as digitalization, \textit{blockchain}, and artificial intelligence is crucial for administrative efficiency and social inclusion. This study evaluated the impact of these tools on public registries through a systematic review following the PRISMA protocol. A total of 20 documents were analyzed from databases including Scopus, Web of Science, Dimensions, and {Google Scholar. The findings highlight that these technologies enhance transparency, traceability, and equitable access, although challenges remain regarding infrastructure and digital literacy in vulnerable contexts. It is concluded that the effective implementation of these technologies requires comprehensive strategies combining investment in infrastructure, inclusive policies, and civic education. Such measures are essential to strengthen a more resilient, efficient, and socially equitable state model.

Gamification and Reading Comprehension in Language and Literature among Elementary Education Students

2025-12-05T01:38:00+00:00

The objective of the research was to evaluate the incidence of gamification, implemented through platforms such as Educaplay and Genially, for an adequate reading comprehension in the subject of Language and Literature with basic education students. A quasi-experimental design was used, with pre-post diagnostic tests, as well as surveys and direct classroom observation, analyzing students' motivation and participation. The sample consisted of 60 eighth-grade students, selected through simple random and intentional sampling, respectively, with PROLECSE-SE and CLP being the instruments used to validate the study. As a result, a considerable increase in overall performance was demonstrated, with averages rising from 7.02 to 10.45 out of 15 points, highlighting the inferential and critical levels. It was concluded that gamification is an effective strategy that strengthens reading comprehension, energizes learning, and promotes more interactive and student-centered educational environments.

Tax Management and Risk Reduction of the Crime of Money Laundering

2025-12-08T01:41:21+00:00

This study analyzes the relationship between tax management and the reduction of risk associated with the crime of money laundering, with the objective of determining the influence of adequate tax management on risk mitigation. Using a quantitative approach and a non-experimental correlational design, a structured survey was applied to professionals involved in fiscal processes, auditing, and regulatory compliance. The results show a significant association between both variables, supporting the hypothesis that efficient tax management contributes to reducing institutional vulnerabilities susceptible to money laundering. Likewise, fiscal compliance, document traceability, and preventive control mechanisms were identified as key elements to strengthen transparency and financial accountability systems. In conclusion, tax management is configured as a strategic component for the prevention and reduction of money laundering risk in organizational contexts.

Effective Strategies for Online Education: A Systematic Literature Review

2025-12-09T01:41:53+00:00

Online education has evolved from being a complementary option to becoming a central pillar in contemporary educational systems. However, its effectiveness depends on the implementation of sound pedagogical strategies. This study presents a systematic literature review following the PRISMA protocol, analyzing articles published between 2018 and 2023 in indexed databases. After applying inclusion and exclusion criteria, 44 empirical and experimental studies were selected. The results reveal three main trends: (1) adaptive platforms enhance individualized learning processes, (2) gamification and collaborative activities are essential for motivation, and (3) flexible self-regulated learning is crucial in higher education. In addition, it was observed that assessment metrics require mixed indicators (performance, participation, satisfaction, and perceived self-efficacy). The evidence suggests that online education demands integrative pedagogical approaches capable of addressing the diverse needs of the digital learner.

Resilient Entrepreneurship in the Black Hispanic American Community: A Scoping Review

2025-12-13T01:50:58+00:00

Entrepreneurship within Black and Hispanic American communities extends beyond economic activity, functioning as a mechanism of resistance and adaptation in the face of persistent systemic barriers. This scoping review examines three core dimensions of entrepreneurial resilience: resistance, ingenuity, and optimism. Findings indicate that cultural factors—such as family support, community networks, and intergenerational values—play a critical role in fostering the emergence and sustainability of these ventures, even as structural limitations in access to capital, mentorship, and institutional collaboration persist. By synthesizing academic literature from specialized databases, the review identifies relevant theoretical frameworks and evaluates existing support strategies. The results reveal a duality between necessity-driven and opportunity-driven entrepreneurship, with notable country-level variations across Hispanic America, as reported by the Global Entrepreneurship Monitor. Overall, the evidence highlights both the transformative potential and the ongoing challenges shaping the entrepreneurial ecosystem within these communities.

Advances in Management Models of Business Incubators

2025-12-17T01:56:01+00:00

Business incubation has become an essential mechanism for fostering the creation, growth, and sustainability of startups. However, the management models guiding their operation have evolved rapidly in response to technological change, new market dynamics, and the emerging needs of entrepreneurs. This study analyzes the evolution of business incubator management models between 2015 and 2024 through a systematic literature review. The analysis identifies prevailing approaches, structural components, and conceptual trends that have shaped these models over the past decade. The findings reveal a transition from traditional structures focused on infrastructure and advisory services toward more comprehensive models centered on innovation, financing, strategic networks, and acceleration. This study provides an updated perspective that contributes to the design of strategies and policies aimed at strengthening the entrepreneurial ecosystem.

Analysis of Feedback in Contemporary Basic School Education

2025-12-20T02:06:16+00:00

The objective of this study was to analyze and systematize the main theoretical approaches to school feedback within the current educational context. A systematic review of the scientific literature was conducted, selecting twenty academic articles published between 2021 and 2025 from specialized databases. The analysis allowed the organization of theoretical contributions into six key dimensions: formative, metacognitive, individualized, interactional, affective, and temporal. The findings showed that feedback, when coherent, timely, and pedagogically planned, contributes significantly to the improvement of learning outcomes, self-regulation, and student engagement. Additionally, research gaps were identified regarding the evaluation of long-term effects and the application of feedback in digital and multicultural contexts. This study provides an integrative theoretical framework that may guide teaching practice and the design of more effective feedback strategies across different educational levels.