Acta Universitaria

Anxiety and Flourishing in homosexual and bisexual men: A comparative perspective

2024-11-05T15:59:56-06:00

Psychological well-being and mental health in the LGBTQ+ community have captured increased research interest. This study focuses on flourishing and anxiety in gay and bisexual men, highlighting differences and similarities in their experiences. Bisexuals were found to have higher rates of depression and anxiety, influenced by biphobia and discrimination. The research, conducted with 480 Peruvian men, revealed an inverse relationship between anxiety and flourishing, with bisexuals showing higher levels of anxiety and lower levels of flourishing. These results suggest that high psychological well-being acts as a protective factor against anxiety, underlining the importance of a supportive environment. Identifying these differences allows for the development of effective strategies to support gay and bisexual men, thereby promoting holistic well-being and helping to inform policies that address their specific needs.

The Degradation of paracetamol with a Rotating Disc Photoreactor using TiO2 catalysts doped with metallic nanoparticles

2025-01-14T08:26:27-06:00

In this work, the performance of the rotating disk photoreactor with a TiO₂ semiconductor used as a photocatalyst in its crystalline form and doped with iron (Fe³⁺) and Silver (Ag⁺) metallic nanoparticles (NP) in the heterogeneous photocatalysis process for paracetamol degradation is reported. The photocatalyst was impregnated in the discs, and doping with the Fe³⁺ and Ag⁺ NPs was carried out using the photo deposition technique. The photocatalysts were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results showed that the efficiency in the degradation of toxic compounds presents a high removal of the pollutant at low concentrations.

Emotional regulation factors and clinical problems associated with suicidal risk. An explanatory model

2025-03-10T12:31:33-06:00

Suicide is one of the leading causes of death worldwide and, young people are a vulnerable group. Therefore, it is essential to identify risk and protective factors that can be worked on in clinical intervention, such as emotional regulation and clinical symptoms. The objective of this study is to generate an explanatory model of suicidal risk based on emotional regulation, and clinical symptomatology in psychology students. Method: Quantitative, non-experimental, cross-sectional study with explanatory scope, in which 295 psychology students participated. Results: the factors that explain suicide risk are depressive symptoms, emotional modification, the total score of clinical symptoms and anxious symptoms. Conclusions: the combination of emotional regulation and clinical symptomatology can play a crucial role in preventing suicide risk. This work establishes a scientific foundation to develop more effective and contextualized preventive strategies.

Classification of regions for greenhouse agricultural production in Hidalgo, Mexico

2025-01-22T17:09:08-06:00

Greenhouse production is a modern technique that allows for agricultural production under controlled conditions, optimizing both yield and product quality. The objective of this paper is to classify the municipalities of Hidalgo, Mexico, based on three variables than can determine greenhouse production, using two machine learning techniques: K-means and K-medoids. The classifications were conducted with respect to altitude above sea level, the proportion of total cultivated area with irrigation, and temperature. The results indicate that the variables considered provide useful segmentations for analyzing the suitability of the municipalities for the stablishment of new productive units. Additionally, significant relationships were found between the variables considered and the area cultivated under greenhouses in 2023.

Keywords: Protected agriculture, machine learning, Hidalgo, greenhouses.

Efectos de la Política de Precios de Garantía y del Programa de Fertilizantes sobre la producción de maíz y el sistema agroalimentario mexicano

2025-02-17T13:27:58-06:00

La importancia del mercado de maíz en México justifica analizar los efectos de la política agrícola en el sistema agroalimentario mexicano. El objetivo fue medir el impacto de la Política de Precios de Garantía y del Programa de Fertilizantes sobre la oferta de maíz y el sistema agroalimentario. Primero se usaron datos de precios de maíz, fertilizante, producción y elasticidades para determinar los efectos que ambos programas tendrían sobre la producción de maíz; posteriormente, se usó el simulador de impactos sectoriales de la matriz de insumo producto para determinar los efectos que se tendrían en el sistema agroalimentario. Los resultados indican que aplicar ambos programas en toda la superficie de maíz aumentaría la producción del grano en 44.2%, y que el valor de la producción en la economía se incrementaría en 48 578 millones de pesos. Los sectores más beneficiados serían aquellas industrias que utilizan al maíz como materia prima.

Sociodemographic analysis of knowledge about dengue in two Afro-Mexican coastal localities of Costa Chica de Guerrero, Mexico

2025-03-19T14:14:58-06:00

Dengue is one of the most prevalent vector-borne viral diseases globally. The aim of this study was to identify knowledge about the mode of spread, symptoms and preventive measures against dengue and to evaluate its relationship with sociodemographic variables in two Afro-descendant communities in the Costa Chica region of Guerrero. A cross-sectional study was conducted and 36 surveys were administered. Nonparametric tests and post hoc analysis were used. A total of 8.5% of the participants had sufficient knowledge about dengue. Marital status” and ‘occupation’ showed significant differences in the level of knowledge. In particular, groups such as housewives and unemployed people showed lower levels of knowledge, which could increase their vulnerability to the disease. We emphasize the importance of designing educational interventions that consider local sociocultural characteristics to help promote preventive behaviors that reduce the incidence of dengue.

Consumer preferences and willingness to pay for organic and locally produced fruits in Puebla: a contingent valuation approach

2025-01-20T12:21:00-06:00

This paper analyzes consumer preferences and WTP for consuming organically and locally produced fruit. Data were obtained through a face-to-face structured interview with a statistical sample of 501 consumers. An ordered probit regression model was used to estimate WTP and marginal effects. Consumers considered it important and very important that the fruit they consume is produced in Mexico (66%), without chemicals (60%), and produced by small local producers (58%). 21% and 28% of the interviewees showed WTP between 15-25% higher if the fruit is produced locally and organically respectively. Price and consumer income were the main determinants in explaining WTP (p≤0.05). The high WTP revealed by consumers could be used to design a marketing strategy for organized producers in the Sierra Nevada of Puebla

Level of critical thinking in fifth-grade students at a public elementary school in Central Mexico

2025-01-27T14:07:43-06:00

Critical thinking is a fundamental skill of the 21st century and is essential in education to develop informed citizens capable of facing the challenges of today's world. In this work, the level of critical thinking of fifth-grade elementary school students in a public school in central Mexico was evaluated. A descriptive study was conducted to determine the level of critical thinking of fifth-grade elementary school students. The sample consisted of 77 students. The EdP_5P Thinking Challenges instrument was applied. Our results showed that students presented medium to high levels of critical thinking. Critical thinking did not differ in the levels of thinking of girls and boys. More research is needed that addresses other levels of development and grades of study that allow continuity of critical thinking in students throughout their school careers.

Resistencia al esfuerzo cortante de madera sólida, laminada, densificada y reforzada con fibra de carbono

2025-03-11T21:06:36-06:00

By modifying its original structure, the mechanical properties of wood can be improved. The objective of the research was to evaluate the shear strength of solid, laminated, densified wood, and wood reinforced with carbon fiber. To compare the results of modified wood with those of solid wood, six configurations of samples of Cryptomeria japonica were prepared, and their shear strength and retention were determined.
Compared to untreated solid wood, the shear strength of densified wood increases by 11%, laminated wood by 19%, and reinforced wood by 1%. On the other hand, the shear strength of laminated and densified wood decreases by 16%, while that of densified laminated and reinforced wood decreases by 23%. In the same sense, the apparent elastic stiffness of glulam, densified and reinforced laminated timber increases relative to that of solid wood.

Resiliencia organizacional del enoturismo en el Valle de Guadalupe (Ensenada, México)

2024-12-30T08:34:43-06:00

In the travel and tourism sector, organizational resilience has been defined as the capacity of enterprises and destinations to adapt and recover from a disruption. The main objective of this study is to analyze the level of organizational resilience in wine tourism in Valle de Guadalupe (Ensenada, Mexico). A qualitative method is used and 20 stakeholders are interviewed, a content analysis is performed with transcriptions. The main finding shows a reactive resilience to cope with disruptions promoted by COVID-19, as well as global warming and climate change. Our main conclusion highlights the strengthening of the anticipatory capacity of wine tourism businesses and destinations to lay the foundations for proactive and territorial resilience through innovation and collaboration.

Community resilience and citizen participation: the case of lithium mining in Bacadehuachi, Sonora, Mexico

2024-12-13T10:13:27-06:00

Mining plays an important role in the Mexican economy, with Sonora standing out as one of the main producers. The modification of the Mining Law and the creation of LitioMx underscore the strategic importance of lithium for the country. Bacadéhuachi, Sonora, has gained relevance due to a recent discovery of lithium, attracting diverse actors. The research seeks to evaluate the community's capacity to face the impacts of this mining activity. Using a sequential mixed research design, it was detected that Bacadéhuachi shows low resilience to lithium mining because it has not been informed of the findings and possible impacts and has not been considered in the decision-making process. The community is uninformed and disoriented about how to get involved properly, highlighting the need to establish mechanisms to detonate transformative resilience and effective local development.

Impact of the sawing process on carbon retention in products and byproducts of Pinus spp. and Abies sp.

2025-02-12T12:38:07-06:00

Trees capture carbon dioxide during photosynthesis and store it in their parts like wood. This study evaluated the sawing process of the forest genera Pinus spp. and Abies sp., estimating the carbon stored in products and byproducts. A total of 101 logs per genus, with diameters ranging from 16 cm to 85 cm, were analyzed using a utilization coefficient to determine the percentage of round wood, sawn wood, and byproducts generated. Volumes of 32.27 m³ for Abies and 34.71 m³ for Pinus were sawn, yielding 20.80 m³ and 22.77 m³ of sawn wood, respectively. The byproducts for Abies, amounted to 11.47 m³, equivalent to 4.35 t of biomass and 2.19 t of carbon; for Pinus, byproducts were estimated at 11.94 m³, equivalent to 5.16 t of biomass and 3.59 t of carbon. These results indicate that the Pinus genus stores a greater amount of carbon in byproducts, implying a higher potential for carbon release upon decomposition.

Evaluación energética y exergética de un ciclo alternativo de refrigeración por absorción usando mezclas sustitutas al LiBr-H2O

2024-11-01T13:54:10-06:00

En este trabajo, un ciclo de refrigeración por absorción, en el que parte del calor del condensador es recuperado y suministrado al generador (HR-ARS) es evaluado de manera energética y exergética considerando diferentes rangos de temperaturas de generación, condensación/absorción y evaporación. Además, las mezclas CaCl₂-LiBr-LiNO₃-H₂O y CaCl₂-LiNO₃-KNO₃-H₂O han sido propuestas como sustitutas al LiBr-H₂O en el sistema HR-ARS. Los resultados revelan que la carga térmica del generador y condensador con la configuración alternativa son 1.95%-3.13% y 1.63%-3.76% inferiores que los obtenidos con el sistema convencional de refrigeración por absorción. Por otra parte, las mezclas propuestas presentan mejoras energéticas y exergéticas de 25% a 35% y 10% a 36%, respectivamente, en comparación con la mezcla tradicional LiBr-H₂O operando a las mismas condiciones de operación.

Finalmente, se espera que los resultados derivados del presente estudio contribuyan para el análisis, el diseño y la construcción de nuevos sistemas de refrigeración por absorción.

Cost-benefit relationship of the implementation of productive technologies in the cow-calf system

2024-10-29T15:11:38-06:00

The objective of this work evaluated the cost-benefit relationship of the implementation of productive technologies in a livestock production unit dedicated to the production of calves for supply. The technologies evaluated were: pregnancy diagnosis, evaluation of stallions, nutritional supplementation and health program. The results of the application of said technologies were observed in the following indicators: andrological evaluation, fertility rate, interval between calving, birth rate, weaned calves, and cost-benefit. Andrological evaluation indicated an improvement in the semen quality of bulls. Fertility rate, birth rate and weaned calves increased 33.5±1.3, 33.6±1.3 and 13.8±1.0 %, respectively. There was a reduction in interval between calving of 142.5±12.75 days, and a cost-benefit relationship of 1.00 was obtained. In conclusion, the cost-benefit relationship did not imply an economic advantage. However, the implementation of productive technologies presented a gradual increase in the reproductive and productive variables, managing to recover the investment made in the study period.

La Confiabilidad y evidencias de validez de la Escala Multidimensional de Perfeccionismo Abreviada en población mexicana.

2025-01-13T15:49:41-06:00

In the present research, the objective was to obtain the reliability and evidence of validity of the Abbreviated Multidimensional Perfectionism Scale in the Mexican population. To achieve this objective, an instrumental study was carried out through the application of the Abbreviated Multidimensional Perfectionism Scale to a population of 539 participants from the state of Durango, in Mexico. The results indicate an adequate level of reliability and a three-factor structure that coincides with the original and was derived from the Exploratory Factor Analysis; This structure, when subjected to Confirmatory Factor Analysis, shows eight adequate fit indices, with the exception of the ECVI, PNFI and p values of the chi square, which would generally indicate an adequate fit of the model. It is concluded that further studies are needed in this regard.

Failure from the student perspective, Faculty of Architecture at the UMSNH, Morelia, México

2025-02-12T10:35:01-06:00

El objetivo del artículo fue identificar y analizar los motivos que los estudiantes de Arquitectura señalan como causantes de la reprobación de materias de esa licenciatura, así como detectar cuáles consideran que son sus consecuencias negativas, lo anterior para recomendar líneas de acción para las instituciones de educación superior de Arquitectura. Se realizó una investigación mixta y transversal, aplicando encuestas a estudiantes de la Facultad de Arquitectura de la Universidad Michoacana de San Nicolás de Hidalgo, México. Los resultados mostraron que las principales causas de reprobación son la excesiva carga de trabajo, la falta de preparación del profesor y la falta de tiempo. Las consecuencias incluyen retraso en la finalización de la licenciatura, afectaciones psicológicas y dificultades administrativas. Estos hallazgos facilitan la identificación de acciones para mitigar estos problemas. Una limitación del estudio es su naturaleza transversal, sugiriendo la necesidad de investigaciones futuras longitudinales y comparativas.

Study of the generation of organic waste from traders at the Ozumba market in the state of Mexico.

2024-10-14T15:16:10-06:00

The generation of organic waste due to food loss and waste not only affects the environment, but also has a significant impact on the economy of traders and consumers. The objective is to evaluate the perception of traders in the municipal market of Ozumba, State of Mexico, regarding the generation of organic waste. A survey was applied to 200 vendors of fruits, vegetables and greens, and a factor and cluster analysis was applied. Fifty-four percent are women, 29% are between 41 and 50 years old, and 40% have a high school education. 59.7% consider that the main reason for wastage is low sales, 61.3% apply more than one strategy to take advantage of it. It is concluded that it is necessary to reconstruct the consumer's choice of food and to raise awareness among retailers in order to reduce waste, take advantage of food and reduce its environmental impact.

The Virtual Forum as a current teaching tool, an ICT in the LKT era

2024-11-12T12:37:42-06:00

In a self-proclaimed information and knowledge society, educational technology continues to gain prominence in Mexican educational spaces, owing to the didactic potential of information and communication technology (ICT). Among these digital tools is the virtual forum. However, after so many years, the following question arises: Is it still useful and functional? To address this question, a mixed-methods research approach was employed to evaluate its didactic usefulness in the university context. This study involved both students and teachers, and the results indicate that the virtual forum remains as a functional tool to achieve learning outcomes when used with pedagogical foundations and within the framework of learning and knowledge technologies (LKT). However, the main area for improvement is the quantitative evaluation of student’s participation and social interaction.

Teaching performance in a recently created Educational Program at a Mexican Public University

2024-10-31T12:10:34-06:00

The purpose of this study was to know the students' perception of teaching performance in a recently created educational program at a Mexican public university. This is a quantitative study through the application of a survey composed of 19 items. The sample was made up of 121 students of an educational program that began in 2020. Data processing was carried out considering the variables sex, age range and semester using descriptive and inferential statistics. The results indicate that there are no differences in the perceptions of teaching performance between men and women. Meanwhile, for most of the items there is no correlation between the age of the students and their perception of teaching performance. As for most of the items, there are no differences in the perception of teaching performance between the different semesters that students take.

Impact on urban areas of river flooding associated with extreme precipitation events: a case study of Las Liebres creek in León, Guanajuato

2024-11-12T13:26:29-06:00

Floods are the deadliest natural hazards and cause the most extensive damage each year worldwide. This study focuses on evaluating the impact of riverine floods from the Las Liebres stream using a methodology that combines hydraulic modeling, hydrological modeling, and the projection of extreme precipitation events for different return periods, employing frequency analysis with stationary and non-stationary parameters. The results project maximum precipitation events of up to 110 mm with a return period of 100 years, generating a flow rate of approximately 80 m³/s and flooding 13.2% of the urban area of the basin. These floods affect mobility, critical infrastructure, access to basic services, and emergency response capabilities.

A Copolymers based sensor to detect and pinpoint milk leaks in pipelines of lacteous process factories

2025-03-10T10:42:13-06:00

Copolymer poly(n-butyl acrylate) and poly(acrylic acid), 70% and 30%, respectively, were prepared by radical emulsion polymerization. The copolymer obtained was used in a coextrusion process to make a sensor cable prototype formed of nichrome wire as core and copper wire wrapped spirally (windings 1.2 cm/cycle). A sensing system circuit was designed for milk leak detection. The polymer structure improves the processing properties for distributed shaped wire sensors and decreases sensitivity to the environmental humidity, avoiding false alarms. In simulated tests, the system detects the leak localization with high accuracy (error levels as +/- 1%).

Attitudes and Practices Related to Marine Turtle Egg Consumption in Three Afro-Mexican Locations of the Costa Chica Region in Guerrero

2025-01-13T16:04:04-06:00

Sea turtles are animals that play an important role in the marine ecosystem. A descriptive cross-sectional study was carried out during May and June 2023, where 92 surveys were applied with three Afro-Mexican populations of the Costa Chica of Guerrero, aiming to investigate and characterize the attitudes and practices related to the consumption of sea turtle eggs. It was identified that more than 43% of the population stands against the consumption of sea turtle eggs; however, these practices persist. It was found that there is a need to implement programs to transform attitudes and practices related to marine turtle eggs consumption through participation and collective learning, since “lack of information” is reported as one of the main causes of its consumption. In addition, the urge to include in these programs the participation of illegal sellers, known as “hueveros”, is highlighted since activities such as poaching continue to be one of the main threats.

Principales características socioeconómicas de la actividad apícola en el municipio de Champotón, Campeche, en el año 2023

2024-08-28T15:11:16-06:00

The municipality of Champotón is the main honey producer in Campeche. The purpose of this study was to identify and analyze the main socioeconomic characteristics of beekeepers, as well as the degree of association between these and hive ownership. Information was obtained through a stratified statistical sampling survey, producers were grouped into four strata: more than 50 hives, from 51 to 100, from 101 to 150 and more than 150 hives. It was discovered that beekeeping is a secondary activity, most of the producers are elderly and have extensive experience in the activity, they have basic schooling and their production capacity is based on an average ownership of 71 hives, distributed in four . apiaries. The main variable that influenced the number of hives was the status of organized producer, from which they obtain advantages in the purchase of inputs and sale of products.

Análisis petrofísico de los pozos SM perforados en el acuífero granular de la parte central de la Cuenca Alta del Río Laja, Guanajuato, México

2025-01-10T13:16:43-06:00

Well logs from the SM-1 and SM-2 groundwater wells were analyzed using spontaneous potential, natural gamma ray, resistivity, and temperature logs. The petrophysical analysis allowed the identification of porous, permeable, and less consolidated beds named here as “Arenas I, II, III, III´, IV, V”, as well as two intercalation intervals where sands alternate with more compact layers, marked as “Intercalación I and II”. The X-ray diffraction analysis in SM-2 well reports sanidine; the occurrence of this potassium feldspar interferes with using the natural gamma ray log as a shale indicator. The well log correlation between SM-1 and SM-2 is congruent. It is recommended to add more logs in future wells in order to improve the interpretation, and quantify formation parameters such as porosity and hydraulic conductivity.

CellCorticalDisplastic: Educational simulator for the recovery of NMDA receptor desensitization

2024-11-13T15:42:43-06:00

The NMDA (N-methyl-D-aspartate) receptor constitutes a significant component of excitatory synapses. The presence of intractable epilepsy in some patients with cortical dysplasia (CD) underscores the relevance of histological, electrophysiological, and molecular investigations to understand the mechanisms involved. In this context, a simulator based on the work by André et al., aimed at educational objectives, has been conceived. It features a curriculum that introduces students to the topic and allows for virtual practical exercises. The simulator faithfully reproduces the recovery of desensitization in NO-CD cells, apparently normal CD cells, and cytomegalic CD cells, as evidenced in experimental records. The implemented mathematical model allowed for theoretical estimation of internal calcium concentration in the reported experiments.

The Quality of Forensic Psychological Reports in Child Sexual Abuse Cases

2024-10-25T12:34:56-06:00

The intervention of psychologists in legal proceedings and their importance in judicial decisions in cases of child sexual abuse is particularly relevant. However, problems have been identified both in the quality of the reports and in the methodology used to prepare them. The main objective of this research was to analyze the extent to which forensic psychological reports meet the quality criteria proposed by specialized guidelines. Using a previously validated instrument, 60 forensic psychological reports on sexual abuse cases in Mexico were analyzed. It was found that the reports were lacking in comprehensive quality. The need for specialization, the implementation of videorecording in interviews with children and the generation of good practice guidelines for the Mexican context were proposed.

Winter ecology of Baird's sparrow in northern Durango, Mexico

2024-08-30T11:41:19-06:00

Baird's Sparrow is a migratory bird that has experienced a significant reduction in its populations. This study aimed to determine the size of the winter home range (WHR), population density, as well as seed biomass and soil cover and structure at three sites used by Baird's Sparrow and the relationship between these variables. The average WHR size was 0.042 hectares, with a seed biomass in the soil of 5.65 g/m² and a population density of 2.23 individuals/hectare. Significant correlations (Spearman, p≤0.05) were found between WHR and seed biomass, although these correlations varied between sites (DOWE r^s=-0.90; LALA r^s=-0.79; LAPO r^s=-0.16). This study contributes to our understanding of the ecology of Centronyx bairdii. However, it is acknowledged that there may be other variables not considered in the study that could influence WHR.

Effect of online social support on subjective well-being

2025-01-14T12:19:28-06:00

Online social support occurs through interaction in sociodigital networks. The aim of this study was to design and evaluate an explanatory model of the effect of e-support on subjective well-being in Mexican population. A non-experimental, cross-sectional study was carried out using data from a national survey on subjective well-being, which is used to learn about people's well-being and social progress under the guidelines issued by the Organization for Economic Cooperation and Development (OECD). Based on a correlation and multiple regression analysis, a path analysis was carried out to evaluate the proposed theoretical model, which adjusted satisfactorily, although it explained a low proportion of the variance of subjective well-being.