1001049 research outputs found
Sort by
El discurso ambientalista frente al discurso burocrático: humedal complejo cenagoso Bajo Sinú-Colombia
No full textObjective: To analyze discursive practices on sustainable development (SD), understood as differentiated institutional and community genres, from the perspective of Fairclough’s Critical Discourse Analysis (CDA), using the Cenagoso del Bajo Sinú Wetland Complex as a case study. Methodology: A qualitative approach was employed based on the three-dimensional CDA model, combining a systematic literature review with empirical analysis of a discursive corpus. Databases such as Scopus, ScienceDirect, Google Scholar, and SciELO were consulted, prioritizing studies on sustainability, environmental policies, and wetland governance. The corpus included environmental regulations, public policy documents, and semi-structured interviews with rural farmers. The analysis was organized along the textual, practice, and sociocultural dimensions of the model, allowing the identification of power relations and tensions surrounding the discursive production of sustainability. Results: The analysis revealed that discourse on SD operates as a hegemonic bureaucratic device that, once institutionalized, legitimizes territorial appropriation in the Wetland Complex and renders community knowledge invisible. Within N. Fairclough’s framework, discursive asymmetries were identified that conceal processes of dispossession and environmental degradation beneath the rhetoric of sustainability. Conclusions: SD discourse imposes a bureaucratic logic that weakens its real implementation. This narrative obscures community knowledge.Objetivo: analisar as práticas discursivas sobre desenvolvimento sustentável (DS), entendidas como gêneros institucionais e comunitários diferenciados, a partir do enfoque da Análise Crítica do Discurso (ACD) de Fairclough, tomando como estudo de caso o Complexo de Humedais Cenagoso del Bajo Sinú. Metodologia: utilizou-se uma abordagem qualitativa baseada no modelo tridimensional da ACD, combinando revisão bibliográfica sistemática e análise empírica de um corpus discursivo. Consultaram-se bases como Scopus, ScienceDirect, Google Scholar e SciELO, priorizando estudos sobre sustentabilidade, políticas ambientais e governança de áreas úmidas. O corpus incluiu normativa ambiental, documentos de políticas públicas e entrevistas semiestruturadas com agricultores locais. A análise foi estruturada nas dimensões textual, prática e sociocultural do modelo, permitindo identificar relações de poder e tensões em torno da produção discursiva sobre sustentabilidade. Resultados: a análise revelou que o discurso sobre DS opera como um dispositivo burocrático hegemônico que, ao institucionalizar-se, legitima a apropriação territorial no Complexo de Humedais e invisibiliza saberes comunitários. A partir do modelo de N. Fairclough, identificaram-se assimetrias discursivas que ocultam processos de desapropriação e degradação ambiental sob a retórica da sustentabilidade. Conclusões: o discurso do DS impõe uma lógica burocrática que enfraquece sua aplicação real. Essa narrativa invisibiliza conhecimentos comunitários.Objetivo: analizar las prácticas discursivas sobre el desarrollo sostenible (DS), entendidas como géneros diferenciados institucionales y comunitarios, desde el enfoque del Análisis Crítico del Discurso (ACD) de Fairclough, tomando como caso de estudio El complejo cenagoso del Bajo Sinú (CCBS). Metodología: se empleó un enfoque cualitativo basado en el modelo tridimensional del ACD, combinando revisión bibliográfica sistemática y análisis empírico de un corpus discursivo. Se consultaron bases como Scopus, ScienceDirect, Google Scholar y SciELO, priorizando estudios sobre sostenibilidad, políticas ambientales y gobernanza de humedales. El corpus incluyó normativa ambiental, documentos de política pública y entrevistas semiestructuradas a campesinos. El análisis se estructuró en las dimensiones textual, práctica y sociocultural del modelo, permitiendo identificar relaciones de poder y tensiones en torno a la producción discursiva sobre sostenibilidad. Resultados: el análisis reveló que el discurso sobre DS opera como un dispositivo burocrático hegemónico que, al institucionalizarse, legitima la apropiación territorial en el CCBS e invisibiliza saberes comunitarios. Desde el modelo de N. Fairclough, se identificaron asimetrías discursivas que encubren procesos de despojo y degradación ambiental bajo una retórica de sostenibilidad. Conclusiones: el discurso del DS impone una lógica burocrática que debilita su aplicación real. Esta narrativa invisibiliza saberes comunitarios
Transformación de la enseñanza de las Matemáticas en contextos rurales: el papel crítico de la tecnología en la educación
No full textThe article analyzes the transformative role of Information and Communication Technologies (ICT) in mathematics education in rural contexts, through their integration with innovative methodologies. The main objective is to explore how these technologies contribute to meaningful and contextualized learning in settings characterized by structural barriers. A qualitative approach was used, based on an interpretive analysis of 36 studies published between 2019 and 2024, including scientific articles and doctoral dissertations obtained from university repositories and academic search engines such as Google Scholar and Dialnet. The technique consisted of thematic reviews with a focus on analytical rigor and quality. The findings show that ICT, when combined with culturally relevant approaches such as ethnomathematics, strengthen the connection between curricular content and students’ sociocultural realities. Notable experiences include the use of geometric patterns in textiles and digital platforms in school projects. However, disparities persist due to limited technological infrastructure and insufficient teacher training. The study concludes that the effective integration of ICT in these contexts requires a comprehensive approach involving investment, continuous professional development, and community engagement. Finally, the creation of experimental and correlational models is suggested to evaluate the long-term impact of strategies tailored to the specific needs of rural communities.El artículo analiza el papel transformador de las Tecnologías de la Información y la Comunicación (TIC) en la enseñanza de las matemáticas en contextos rurales, mediante su integración con metodologías innovadoras. El objetivo es examinar cómo estas tecnologías contribuyen al aprendizaje significativo y contextualizado en escenarios donde persisten barreras estructurales. Metodológicamente, se empleó un enfoque cualitativo con base en un análisis interpretativo de 36 estudios publicados entre 2019 y 2024, incluyendo artículos científicos y tesis doctorales obtenidos en repositorios universitarios y buscadores académicos como Google Académico y Dialnet. La técnica consistió en revisiones temáticas centradas en el rigor y la calidad analítica. Los resultados indican que las TIC, al vincularse con enfoques contextualizados como la etnomatemática, fortalecen la relación entre los contenidos escolares y las realidades socioculturales de los estudiantes. Se identificaron experiencias significativas como el uso de patrones geométricos en textiles y plataformas digitales en proyectos escolares. No obstante, se evidencian desigualdades derivadas de la limitada infraestructura tecnológica y la escasa formación docente. Se concluye que el éxito de las TIC en estos entornos depende de un abordaje integral que incluya inversión, capacitación y participación comunitaria, proponiéndose modelos que permitan evaluar su impacto a largo plazo en contextos rurales
Posverdad y narrativas engañosas: consecuencias en la democracia costarricense (2022-2024)
No full textIntroduction: This essay explores the impact of post-truth and disinformation on Costa Rican democracy during the 2022-2024 period. It analyzes the false statements and misleading narratives of President Rodrigo Chaves and his team, focusing on how these distort public perception and affect democratic institutions.
Objective: To analyze how disinformation emanating from the Executive Branch has influenced democratic stability and citizen participation, highlighting the different types of disinformation used.
Method: A content analysis of the Costa Rican government's public statements, extracted from the national press, was carried out, organizing the falsehoods into categories according to their type (false content, misleading, false context, among others). Surveys and opinion studies were also consulted to contextualize the impact of these narratives.
Results: The analysis reveals a deliberate pattern of disinformation used to influence public opinion. Despite the exposure of falsehoods, popular support for the president remained stable, reflecting the power of disinformation in solidifying political narratives.
Conclusions: It is concluded that disinformation issued from high levels of government represents a significant challenge to Costa Rican democracy. Information literacy is crucial in combating this phenomenon, enabling citizens to make informed decisions and protect democratic integrity.Introducción: Este ensayo explora el impacto de la posverdad y la desinformación en la democracia costarricense durante el periodo 2022-2024. Se analizan las afirmaciones falsas y las narrativas engañosas del presidente Rodrigo Chaves y su equipo, enfocándose en cómo estas distorsionan la percepción pública y afectan las instituciones democráticas.
Objetivo: Analizar cómo la desinformación emanada del Poder Ejecutivo ha influido en la estabilidad democrática y la participación ciudadana, resaltando los diferentes tipos de desinformación utilizados.
Método: Se realizó un análisis de contenido de las declaraciones públicas del gobierno costarricense, extraídas de la prensa nacional, organizando las falsedades en categorías según su tipo (contenido falso, engañoso, contexto falso, entre otros). También se consultaron encuestas y estudios de opinión para contextualizar el impacto de estas narrativas.
Resultados: El análisis revela un patrón de uso deliberado de desinformación para influir en la opinión pública. A pesar de la exposición de falsedades, el apoyo popular hacia el presidente se mantuvo estable, lo que refleja el poder de la desinformación en consolidar narrativas políticas.
Conclusiones: Se concluye que la desinformación emitida desde los altos niveles gubernamentales representa un desafío significativo para la democracia costarricense. La alfabetización informativa es crucial para combatir este fenómeno, permitiendo que la ciudadanía tome decisiones informadas y proteja la integridad democrática
Bibliographic update on cell and protein engineering
No full textIntroduction: bioprocessing is undergoing a revolution driven by innovations such as single-use systems and continuous bioprocessing. The direct approach to cell engineering is to introduce to or omit from the cell a gene or genes by genetic engineering methods to endow a particular phenotype in order to improve the cellular processes. Over three-quarters of therapeutic proteins are produced using Chinese hamster ovary cells, that raises as the most common cell line used. The aim was to characterize cell and protein engineering. Methods: a literature review was conducted, where 18 articles in English and Spanish were selected, published in the last five years on the subject, in databases such as: Scopus, PubMed, Springer.Results: deleting nonessential genes may increase the productivity by directing cellular resources toward product biosynthesis. Cell culture system provide controlled environments to study cellular process, mammalian cell cultures are valuable for virology, vaccine production, tissue regeneration, genetic engineering. The use of these modified cells is essential for producing recombinant proteins, antibodies and vaccines. Conclusions: cell and protein engineering raised as alternative tools for the development of specific therapies in cancer and immunologic diseases in the last few years. Recombinant protein production lay on areas as cell culture, mammalian cells for specific antibody expression, cell culture technologies and bioreactors as the corner stone for bioprocess
Multiscale Modeling in Systems Biology
No full textMultiscale modeling in systems biology is a methodological approach designed to represent, integrate, and simulate complex biological phenomena occurring across various organizational levels, from the molecular to the tissue scale. In contrast to reductionist perspectives, this holistic framework acknowledges that biological processes emerge from dynamic interactions among components operating simultaneously in multiple spatial and temporal scales. Its development has been facilitated by the growing availability of omics data and the evolution of advanced computational tools, enabling the creation of realistic and predictive simulations.This article reviews theoretical foundations and current applications of multiscale modeling in key fields such as personalized medicine, computational pharmacology, tissue engineering, and clinical simulation. It covers integration strategies such as hierarchical and concurrent coupling, and highlights the use of specialized platforms like GROMACS, NAMD, SimBiology, and PhysiCell. The advantages of this modeling approach include the design of individualized treatments, virtual testing of biomaterials, and the optimization of clinical trials through simulated cohorts.Multiscale models allow not only a more accurate representation of biological systems but also enable the anticipation of pathophysiological dynamics, reduce drug development timelines, and enhance clinical decision-making. Their future effectiveness will depend on data interoperability, algorithmic refinement, and integration with artificial intelligence. Ultimately, multiscale modeling is a foundational tool for advancing toward a more predictive, contextual, and adaptive biology suited to the evolving challenges of contemporary medicine
Nursing intervention in pregnancy loss: challenges and human responses
No full textIntroduction: Pregnancy was recognised as a stage of major physical, emotional and social changes, during which women faced risks that compromised their well-being and that of their babies. When perinatal death occurred, that moment of hope turned into deep sadness, affecting not only the mother but also her family. Globally and locally, as in Santander, the figures showed the magnitude of this public health problem.Development: Perinatal bereavement was a painful experience that was misunderstood and not adequately addressed by the health system. The mother experienced complex emotions such as guilt, frustration and anger. In this context, nursing played an essential role, providing empathetic support and comprehensive care. Trained professionals applied strategies to recognise emotional suffering and mitigate its consequences. Kristen Swanson's theory of care provided guidance based on close support, empathy and compassion. The Colombian legal framework established standards to protect pregnant women and ensure timely and humane interventions, recognising the right to dignified and respectful mourning.Conclusion: Perinatal death was a traumatic event that required a holistic response from nursing. It was necessary to integrate scientific knowledge, human sensitivity, and regulatory compliance to provide comfort and guidance to families. The intervention of nursing staff, based on theories such as Swanson's, made it possible to address this experience from an emotional, spiritual, and clinical perspective, strengthening the well-being of the mothers affected
Pharmacodynamics of pregabalin and gabapentin as pain treatment in cervical and lumbar radiculopathy in adults
No full textThe general objective to analyze the pharmacodynamics of Pregabalin and Gabapentin as pain treatment in cervical and lumbar radiculopathy in adult patients of the Neurosurgery service at the Central Hospital of Maracay, Aragua State, Venezuela, during the period from April to September 2024.Materials and Methods An observational, evaluative, prospective and longitudinal study was conducted. The sample consisted of 21 patients, divided into two groups: Group A (n=14) treated with Gabapentin 300 mg and Group B (n=7) treated with Pregabalin 75 mg. The results the mean age was 52.07 ± 10.4 years in Group A and 47.71 ± 7.8 years in Group B (p = 0.300). Most patients were women (78.57% in Group A and 85.71% in Group B, p = 1,000). Both treatments significantly reduced pain (Gabapentin: 7.07 ± 2.2 to 4.78 ± 2.8; Pregabalin: 7.00 ± 2.2 to 5.28 ± 12.2, p = 0.813). Muscle strength improved in both groups, but did not reach statistical significance (p = 0.055). Sensitivity improved in both groups, however, it was lower in the Pregabalin group after treatment (p = 0.029). Adverse events were more frequent in the Pregabalin group (57.14%) compared to Gabapentin (42.86%, p = 0.659). In conclusion, both Pregabalin and Gabapentin are effective in reducing pain in patients with cervical and lumbar radiculopathy. Pregabalin had a higher incidence of adverse effects, which should be considered when choosing treatment. An individualized approach and ongoing follow-up are recommended to optimize neuropathic pain management
Effective nursing interventions for managing maternal grief and its family due to perinatal death
No full textIntroduction: Perinatal mourning is a consequence of perinatal loss; for them it is important that a humanized management is given, since, in some cases, mourning occurs silently. This care must be carried out both for the mother and her family. For them, the role of the nurse in the approach with comprehensive accompaniment and support is important.Objective: To determine qualities are the most effective nursing interventions for the management of perinatal grief for the mother and her family.Methodology: Narrative review through the search for research articles on perinatal grief and effective interventions for the management of perinatal grief. These searches were carried out by means of a peak question in which a specific population was selected, additional inclusion and exclusion criteria were taken into account according to the ProQuest, Dialnet, Google Scholar databases.Results: Finally, a total of 15 articles that answered the research question were selected, a series of effective nursing disorders for the mother and her family were identified, such as support groups, active listening by the staff, expression of feelings, implementation of rituals among others.Conclusions: From the nursing discipline, effective nursing interventions are implemented for the management of grief due to perinatal death, such as creating memories, emotional support, active listening, among others; but it is worth noting the need to include other disciplines that address perinatal grief, for this reason new guidelines and protocols must be generated for a multidisciplinary approach
Characterization of hearing impairments due to exposure to industrial noise in generator set operators in Pinar del Río
No full textNoise-induced sensorineural hearing loss is the consequence of multifactorial damage to the auditory structures, which is why the need for this work arose. Objective: To characterize hearing disorders due to exposure to industrial noise in generator set operators in Pinar del Río in the period 2021-2023. Methods: A longitudinal, prospective, descriptive and observational study was carried out, which was validated using theoretical, empirical and statistical methods. Results: a universe of (n-65) and a sample of (n-26) workers, with a predominance of the age group between 41 and 50 years, detecting 26 cases with hearing loss for 40% of the total workers exposed to noise, with a predominance of the male sex for 100%, the hearing impaired detected are directly exposed to noise with an intensity measured between 93 and 95 decibels. Mild hearing loss was present in 50% of the affected (n-13). The use of individual protection equipment against the harmful effects of noise was deficient; it was found that only 26.92% of the workers used them (n-7). Conclusions: all the generator sets were identified as sources of high noise emissions with measured levels higher than the internationally established values. Regarding the characteristics of the audiometric curves, there was a predominance of mild and moderate hearing loss, and the partial existence of the protective equipment was found, as well as their poor use by the workers
Clinical and functional evolution of the fracture of lukewarm managed with external fixation
No full textThe modern world has brought I get a vertiginous development rhythm, that is accompanied of increment of accidents with increase of lesions of high complexity, mostly located in the long bones, he/she puts under an obligation to the improvement of the techniques of bony fixation, with the intention of controlling the damages, to achieve the cure of the fractures, to avoid complications and sequels. Objective: To analyze the clinical-functional results of the technique of external fixation in the treatment of the fractures of lukewarm in the patients of the service of Orthopedics and Traumatología of the Surgical Clinical Hospital Abel Squared Santamaría in the period of February of 2020 to September of 2023. The universe was constituted by all the patients entered with fracture of lukewarm (n:73); the sample understands the patients entered with fracture of lukewarm treaties with external fixation (n:23). In the current investigation prevalence of the masculine sex existed in the age range understood from the 26-35 years; the place of more frequent lesion was the half third and the causal factor of more representativeness they were the accidents automivilísticos; as for the communication with the exterior the biggest percentage was given by the open fractures. Most didn't develop complications; however of the patients that if they presented complications the most frequent it was the presence of superficial infections. Therefore; it continues being the external fixer a treatment option adapted since in the handling of the fractures of lukewarm in most of the studied patients satisfactory results they were obtained