bluuebunny/crossref_metadata_2025 huggingface dataset:
The Role of Health-Saving Technologies in the Work Practice of the Primary School Teacher
Authors: Semiletova A. N.
Published: March 2023

The purpose of the study: to study the theory and practice of applying health-saving technologies in the work of a primary school teacher; development of a system of lessons using health-saving technologies. Materials and methods. The following general theoretical and empirical research methods are used: analysis, synthesis, definition, study of scientific and theoretical literature, survey and questionnaire methods, pedagogical diagnostics.Results. At the present stage of development of society, an increasing number of negative phenomena are found in the lives of not only adults, but also children, which is supported not only by high rates of incidence, but also by the prevailing indexes of passivity, sedentary lifestyle that modern children and adolescents lead. The former approaches and strategies in the organization of life activity, which were approved by society in the period of post-industrial society, now reveal their own inconsistency, since a qualitative transition from one type of society to another is taking place in the world space. Accordingly, the content and nature of the conditions for the formation of children’s health in an educational organization also change. The authors of the article describe the results of the study of the role of health-saving technologies in the work of a primary school teacher. The main directions of work on the use of health-saving technologies are presented. Summary of these technologies is given. To determine the effectiveness of health-saving technologies in the practice of a primary school teacher, stating, forming and control experiments were organized. To determine the level of knowledge of students about a healthy lifestyle and its key components, the author’s test “Healthy lifestyle” was used. The research results are presented in the form of tables and diagrams.Conclusion. At present, it is safe to say that it is the teacher who is able to do more for the health of the modern student than the doctor. This does not mean that he should perform the duties of a medical officer. It is just that the teacher should work in such a way that schooling does not harm the health of students.The results of the control experiment proved that health-saving technologies helped to maintain and improve the health of students.
Concurrent UPQC Schemes for the Power Quality Improvement in Solar
Photovoltaic Systems
Authors: Chittala Phani Kumar , Elanchezhian E.B. , Subramani Pragaspathy
Published: March 2023

Aims:

Aim of this research is to propose a novel concurrent UPQC scheme for improving the power quality issues in grid integrated solar photovoltaic (PV) systems.

Background:

The power quality is a major issue for the grid integration of renewable energy sources. Issues like voltage sag, voltage swell, harmonics & non-linear load variations are certainly observed in the distributed energy system and it is mandated that any system has to depend on advanced controllers to improve power quality and stabilize the electrical parameters. Controller related power quality improvements are a bit easier to design but the tuning of power is difficult in this aspect.

Objective:

In order to overcome the aforesaid limitation, this particular paper proposes a new concurrent UPQC scheme for improving the four different power quality issues in grid integrated solar photovoltaic (PV) system such as voltage sag, voltage swell, non-linear load variations and current harmonics.

Methods:

The operating regions of each power quality issues are examined in the I-V curves of PV specifications and the new operating modes of PV systems are mapped for every quality improvement considering the power, current and frequency of the grid and load as well. The pool of solutions is developed from the real power, reactive power and converter duty cycle and verified with the proposed solutions. Additionally, the designed switching frequency of the proposed system has a 5% variation for practical irradiance. The PV uniform irradiance profile matches the real power for various proposed concurrent UPQC schemes.

Results:

Finally, the simulation results are presented to validate the operation of the proposed concurrent UPQC schemes for PV system. The comparative study of the proposed concurrent UPQC scheme for PV system with appropriate literature is presented. The superiority of the proposed schemes infers studying the odd harmonic components up to 100th order after implementing the proposed concurrent UPQC scheme for PV system.

Conclusion:

From the measured results, it is concluded that a new concurrent optimization scheme enhances the operation of solar PV system that integrates with the grid. The power quality issues like voltage & current swell, voltage & current sag, voltage imbalance, and harmonics are reduced compared to existing methods. The validation of the schemes is achieved through the group constraints and the operating slopes in each region.
LAS STEM COMO ESTRATEGIA PARA FORTALECER LA CIENCIA Y LA TECNOLOGIA
Authors: Salas Álvarez Daniel José , Espitia  Sanjuán Luis Armando
Published: March 2023

Las STEM (Science, Technology, Engineering and Mathematics) sirven para designar las disciplinas académicas asociadas con la ciencia, tecnología, ingeniería y las matemáticas y se utilizan como base para apoyar el desarrollo de la ciencia, tecnología e innovación desde la educación, especialmente en Estados Unidos, Europa, Asia y Australia. La UNESCO, en un estudio reciente (IBE, Especial Alert STEM education, 2016) ha puesto en el debate internacional su preocupación por la disminución constante de jóvenes en la ciencia y la escasez de ingenieros, en muchas ocasiones por la dificultad que sienten los estudiantes para enfretarse a las matemáticas y las tecnologías.
Estudio de la zeolita beta modificada con Ce, La, -SO3H y óxidos de hierro en la hidrólisis de celulosa
Authors: Chaparro Javier R , Pazos Zarama Mery C. , Martinez José J. , Vargas Annie Y. , Rojas Hugo A.
Published: March 2023

La acidez de la zeolita beta  fue modificada por impregnación con cerio, lantano, grupos sulfónicos  y óxidos de hierro, este último se utilizó para generar propiedades magnéticas en el material que permitan la recuperación del catalizador y reciclaje en reacción en fase líquida. Los sólidos obtenidos fueron caracterizados por DRX, espectroscopia infrarroja FT-IR, la acidez fue obtenida por titulación y la actividad catalítica fue evaluada en la hidrólisis de celulosa cristalina como porcentaje de azúcares reductores totales (ART). La cristalinidad de los sólidos impregnados con Óxidos de Ce y La no se ve afectada, caso contrario ocurre cuando se impregna con óxidos de hierro, además la acidez disminuye en ambos casos. La incorporación de grupos sulfónicos tanto a la zeolita beta precursora como a la magnetizada   aumenta la acidez y mostró rendimientos del 59% y 38% respectivamente alto rendimiento de azúcares reductores totales en la reacción.
Education 4.0 and its trends
Authors: Gomez Gomez Jorge
Published: March 2023

Educación 4.0 y sus tendencias
Sistema De Apoyo De Rehabilitación Para La Medición De Los Rangos De Movilidad De La Mano Usando Visión Artificial
Authors: Cardenas Serpa Jose Miguel , Gómez García Jeyber Adrián , Duque Suarez Oscar Manuel
Published: March 2023

En este proyecto se presenta una herramienta de apoyo para el fisioterapeuta la cual ayuda a tomar las mediciones de los ángulos en tiempo real de forma más rápida y eficaz, reduciendo el tiempo de consulta en el cual se ejecuta esta actividad, evitando posiciones incomodas al paciente, ya que algunas patologías como: Neuropatías periférica, artropatías, reumáticas y Teno sinovitis afectan la morfología de la mano y sus nervios. Los datos obtenidos mediante el sensor serán guardados y organizados con el fin de llevar un historial de evolución del paciente, el cual será de apoyo al fisioterapeuta para poder realizar el respectivo diagnóstico y de esta forma se encargará de evaluar la rehabilitación del paciente.
Software Interactivo De Integración De Bases De Datos Medicas De Examen De Salud Y Nutrición (Nhanes).
Authors: Anaya Jorge , Chacón José G. , Rodríguez Johel E. , Flórez Fuentes Anderson Smith
Published: March 2023

La Encuesta Nacional de Examen de Salud y Nutrición es un programa de estudios diseñado para evaluar el estado de salud y nutrición de los adultos y de los niños en Estados Unidos. Esta encuesta es un importante estudio del Centro Nacional de Estadísticas de Salud. Realizar investigaciones sobre la salud de los adolescentes y la salud de personas de mayor edad que permita producir estadísticas confiables para estos grupos es un tema relevante para Colombia y el mundo. Tomar este estudio como referencia y replicarlo después en la población de Colombia se considera relevante como área de investigación. El objetivo de esta investigación es desarrollar un software interactivo para el proceso de integración automática de bases de datos médicas mostradas por NHANES, de manera que permita de forma sencilla y rápida la descarga de datas y la realización de fusiones automáticas entre ellas. La validación del se realiza con base a la fusión de 2 datas correspondientes los años 2016 y 2017 de forma manual comparándola con la realizada por el software. La metodología para el desarrollo es una adaptación de la metodología Programación Extrema (XP) por ser esta ágil y flexible, en ella destacan las fases de interacción constante entre el usuario y el equipo de desarrollo, planificación flexible abierta y rápida respuesta a cambios. El lenguaje de desarrollo es PHYTON por ser software libre y haberse convertido en uno de los movimientos tecnológicos de mayor auge en el siglo XXI.
SISTEMA DE CONTROL CINEMÁTICO GUIADO Y COLABORATIVO CON USO DE VISIÓN ARTIFICIAL PARA FINES DE APRENDIZAJE DE TRAYECTORIAS DE LAS EXTREMIDADES SUPERIORES EN TECNOACADEMIA CÚCUTA DEL SENA NDS
Authors: Ibarra Peñaranda Mauro Leandro , Sepúlveda Leider Aldair , Duque Suarez Oscar Manuel , Puentes Velasquez Andres Mauricio
Published: March 2023

En este proyecto se estudia la morfología delbrazo humano con la finalidad de construir unrobot a partir de los criterios de diseñonecesarios para establecer la morfología quemejor se adapte a los movimientos de lasextremidades superiores de dicho ser humano,para esto es necesario estudiar las diferentesformas de calcular el modelo cinemático delrobot, y así poder calcular el control cinemáticoque establece la relación entre las velocidades delas articulaciones. El producto de este trabajo esdesarrollar el control cinemático guiado ycolaborativo mediante percepción y aprendizajede trayectorias obtenidas por visión artificial delos de las extremidades superiores del serhumano. primordialmente se estudiará losmétodos de control cinemático guiado y pormedio de los criterios de diseño se obtendrá elcontrol cinemático guiado.
Control Clasico E Inteligente De Temperatura En Un Prototipo De Invernadero Hidroponico
Authors: Angulo Yerson Duvan , Maldonado Gómez Bayron Steward , Acevedo Piraban Henderson Camilo , Moreno María C. , Pardo Garcia Aldo
Published: March 2023

El presente artículo tiene como objetivo la creación de un sistema de control de temperatura de un invernadero hidropónico portátil, utilizando la tarjeta NodeMCU como tarjeta de adquisición y tratamiento de datos. Se comparan diferentes métodos de control clásico y control inteligente, se seleccionan los de mejor comportamiento y con ayuda de las redes neuronales serán clonados. Finalmente, todos los pasos realizados nos ayudaran a determinar cuál es el mejor controlador para aplicar en el invernadero hidropónico.
CO-CREARIA: MODELO DE CO-CREACIÓN DE REA INCLUSIVOS Y ACCESIBLES
Authors: Baldiris Silvia , Fabregat Ramon , Cuesta Johan , Muñoz Tatiana , Cardona Sergio
Published: March 2023

The co-creation suggests the interaction of individuals within a framework to evolve, re-define or invent something that is new. The educational system is a natural space to co-create new methodologies, new strategies or didactic devices which are used for addressing a variety of educational needs, interests and preferences. This paper introduces CO-CREARIA, a model to support the collaborative creation of Inclusive and Accessible Open Educational Resources (IA-OERs). CO-CREARIA is based on the attention to diversity through the Universal Design for Learning (UDL), the use of technology as a tool, the openness as a value, and addressing web accessibility as an opportunity to reduce content access barriers. This paper describes a real experience with teachers who created their own IA-OER by applying this model and obtaining promising results.
MODELMAT: UNA PLATAFORMA DE ENSEÑANZA CON ENFOQUE DE MODELADO MATEMÁTICO
Authors: Agudelo Diego , Piedrahita Alejandro , Moreno Julian
Published: March 2023

En este artículo se presenta una propuesta de enseñanza en el área de matemáticas, específicamente en el tema de los sistemas de dos ecuaciones lineales con dos variables. Lo anterior, mediante una aproximación al modelado matemático a través de un software desarrollado dentro de la Universidad Nacional de Colombia y denominado ModelMat. La idea central de la propuesta parte de un problema matemático que se le presenta al estudiante para que este logre luego la construcción y resolución del sistema de ecuaciones correspondiente. Para la validación preliminar de esta propuesta, se presenta además el análisis de su uso durante el desarrollo de una actividad educativa, atendiendo la interacción del software con los estudiantes y su utilización en el aula de clases.
Contexto de cadena apícola
Authors: Morales Castañeda Alexis
Published: March 2023

En esta ficha de contexto se mencionan los aspectos importantes de la cadena apícola enfocados a su marco productivo, regional, económico, comercio internacional, así como sus perspectivas y tendencias frente al mercado, dando a conocer su entorno de Ciencia y Tecnología e Innovación.
Contexto de cadena panela (Saccharum officinarum)
Authors: Flórez Martínez Diego Hernando , Castillo Galindo Nicolle Tatiana
Published: March 2023

En esta ficha de contexto se mencionan los aspectos importantes de la cadena de panela enfocados a su marco productivo, regional, económico, comercio internacional, así como sus perspectivas y tendencias frente al mercado, dando a conocer su entorno de Ciencia y Tecnología e Innovación.
Contexto de cadena caña de azúcar (Saccharum ocinarum)
Authors: Castillo Galindo Nicolle Tatiana
Published: March 2023

En esta ficha de contexto se mencionan los aspectos importantes de la cadena de caña de azúcar (Saccharum ocinarum) enfocados a su marco productivo, regional, económico, comercio internacional, así como sus perspectivas y tendencias frente al mercado, dando a conocer su entorno de Ciencia y Tecnología e Innovación.
Contexto de cadena cacao
Authors: Castillo Galindo Nicolle Tatiana
Published: March 2023

En esta ficha de contexto se mencionan los aspectos importantes de la cadena de cacao enfocados a su marco productivo, regional, económico, comercio internacional, así como sus perspectivas y tendencias frente al mercado, dando a conocer su entorno de Ciencia y Tecnología e Innovación.
Effect of different drying airflows and harvest periods on the quality of specialty coffee (Coffea arabica L.)
Authors: Arévalo Valeria , Mejía William , Cevallos-Cevallos Juan Manuel , Ortiz-Ulloa Johana
Published: March 2023

Coffee is one of the most consumed commercial beverages worldwide, and coffee growers are constantly seeking innovative processing techniques to improve the quality of the final product. This study evaluated the influence of four drying airflows and three harvest periods on the chemical composition of green and roasted specialty coffee beans. The samples were obtained from the Hacienda La Papaya in Loja, Ecuador. Liquid and gas chromatographic techniques characterized the chemical profile of coffee beans, and sensory analysis was performed using the Specialty Coffee Association of America methodology. In total, 49 compounds were described, 29 in green beans and 20 in roasted beans. A significant (p<0.05) effect of the harvest period was observed in all phenolic compounds except for chlorogenic acid. The drying type significantly affected the levels of rutin and trigonelline. In addition, samples from different harvest periods observed significant differences in the levels of the amino acids serine, arginine, phenylalanine and leucine. Similarly, the drying type significantly influenced glycine, alanine, valine and isoleucine levels. For all drying-harvest combinations, the final cupping score was higher than 85/100, as the different drying processes slightly influenced the cupping attributes. Drying with minimal airflow was characterized by a low balance and intense flavor while drying with medium airflow presented a high ratio and soft body. The harvest period and drying type cannot be used as cupping predictors since no clear trends were observed to classify specialty coffee organoleptic attributes. Therefore, other variables involved in specialty coffee processing should be explored to evaluate higher sensitivity toward flavor prediction and innovation. Keywords: chromatographic analysis, Coffea arabica L., sensory analysis, specialty coffee.
Genetic improvement in Musa through modern biotechnological methods
Authors: Villao L, , Chávez T, , Pacheco R, , Sánchez E. , Bonilla J. , Santos E.
Published: March 2023

Bananas, one of the most valued fruits worldwide, are produced in more than 135 countries in the tropics and subtropics for local consumption and export due to their tremendous nutritional value and ease of access.
The genetic improvement of commercial crops is a crucial strategy for managing pests or other diseases and abiotic stress factors. Although conventional breeding has developed new hybrids with highly productive or agronomic performance characteristics, in some banana cultivars, due to the high level of sterility, the traditional breeding strategy is hampered. Therefore, modern biotechniques have been developed in a banana for genetic improvement. In vitro, culture techniques have been a basis for crop micropropagation for elite banana varieties and the generation of methods for genetic modification. This review includes topics of great interest for improving bananas and their products worldwide, from their origins to the different improvement alternatives.
Keywords. Banana, genetic improvement, pest management, diseases, abiotic stress factors.
Inhibitory effect of Titanium dioxide (Tio2) nanoparticles and their synergistic activity with antibiotics in some types of bacteria
Authors: Hazem Najem Ashwaq , Mahmood Khudhur Iman , M. A. Ali Ghaydaa
Published: March 2023

Titanium dioxide nanoparticles (TiO2 NPs) were studied as antibacterial agents at different concentrations against clinical and environmental bacterial isolates without UV or photocatalytic activation. Five TiO2 NPs concentrations (20µg/ml,50µg/ml, 100µg/ml,500µg/ml and 1000µg/ml) were studied against 15 bacterial species:10 clinical isolates and 5 environmental isolates) compared with antibiotics Amikacin(AK)and Levloxacin(LEV).Only500µg/ml concentration of TiO2 NPs was active against 7 bacterial isolates (3 clinical and 4 environmental), and 1000µg/ml concentration of TiO2 NPs was effective against 9 isolates (6 clinical and 3 environmental ). These concentrations were mixed with the antibiotics Levloxacin LEV and Amikacin AK to investigate the possibility of synergistic activity against studied bacteria. Bacterial isolate's response or sensitivity to the antibiotic and TiO2 NPs mixture was varied; AK plus 500µg/ml TiO2 NPs concentration showed increased inhibitory activity against 7 isolates (3 clinical, 4 environmental) and 1000µg/ml TiO2 NPs mixed with AK showed increased inhibition activity against one environmental bacterial isolates, where Ak mixed with 500 and Ak plus 1000 µg/ml showed the same effect as the antibiotic alone or less.LEV antibiotic shows no difference in the effect on all 9 bacteria (7 clinical and 2 environmental), while LEV mixed with 500 µg/ml have increased inhibition zones on 4 bacteria (2 clinical, 2 environmental) , and LEV mixed with 1000µg/ml have higher effect than the antibiotic alone on three isolates (2 clinical,1 environmental).

Keywords: antibiotic; titanium nanoparticles dioxide; antibacterial.
Diagnostic and serological study of Breast Cancer in women in Maysan Province, Iraq
Authors: Madhi Raed
Published: March 2023

The current study was designed to examine the association between breast cancer grading and levels of CA15-3 was studied in addition to the correlation between ABO blood groups and breast cancer. The study involved (140) breast cancer women, and (140) blood samples were collected from healthy women who served as control. The total patients were divided according to their ages into three groups (30-39), (40-49) and (≥50), and ABO blood groups. Moreover, the grades of breast cancer were divided into three groups, and their correlation with serum CA15-3 levels was studied. The current study shows a significant correlation between breast cancer grading and levels of serum CA15-3 antigen. The study also showed that breast cancer is elevated with age. The results demonstrated a great association between the ABO blood groups and breast cancer. Blood group type (A) recorded the highest frequency and percentage (42.14%) of patients with breast cancer. The non-A-blood type (O, B and AB) percentage was as follows (32.14%, 19.29% and 6.43%, respectively). Thus, monitoring breast cancer occurrences in women with blood group A early could be an and excellent strategy to control and facilitate the event of breast cancer. Keywords: Breast cancer, CA15-3, blood groups, breast cancer grading.
Isolation and identification of intestinal parasites from Goats in some areas of Wasit Province, Iraq
Authors: A.Makawi Zainab
Published: March 2023

The current study was conducted on goats in various parts of Wasit Province, Iraq, from November 2021 to April 2022. The study aims to find and identify intestinal parasites (IPs) in goats in Wasit province. The goat's fresh fecal specimens (n=180) include cysts, eggs, oocysts, trophozoites and larval stages. One hundred eighty sheep feces samples were collected, and more than one parasite was isolated from one sample (mixed infection). According to the data acquired, the overall prevalence of intestinal parasites in goats was 52.77 (95 samples). In the current investigation, eleven distinct (IPs) species with infection rates were identified, including Toxocara vitulorum (Goeze, 1782) (16.66 %), Cryptosporidium sp.( Tyzzer, 1907) (11.11%), Amoeba sp. (8.8%), Giardia sp.( Künstler, 1882) (8.8%), Trichostrongylus sp.( Looss, 1905) (8.33%), Cyclospora sp. (Schneider, 1881) (5.55%), Dicrocoelium dendriticum synonym (Distoma dendriticum) (Rudolphi, 1819) (5%), Paramphistomum cervi (Zeder, 1790) (4.44%), cercaria larva (2.22%), Balantidium coli (Malmsten, 1857) (1.66%), filariae form larvae (1.66%), respectively. This may be the result of infection with various parasites due to the use of Conventional and unsanitary management systems
Keywords: Intestinal Parasites, Goats, Toxocara vitulorum, Cryptosporidium spp.
Twitter's Role in Combating the Magnetic Vaccine Conspiracy Theory: Social Network Analysis of Tweets
Authors: Ahmed Wasim , Das Ronnie , Vidal-Alaball Josep , Hardey Mariann , Fuster-Casanovas Aïna
Published: March 2023

Background

The popularity of the magnetic vaccine conspiracy theory and other conspiracy theories of a similar nature creates challenges to promoting vaccines and disseminating accurate health information.

Objective

Health conspiracy theories are gaining in popularity. This study's objective was to evaluate the Twitter social media network related to the magnetic vaccine conspiracy theory and apply social capital theory to analyze the unique social structures of influential users. As a strategy for web-based public health surveillance, we conducted a social network analysis to identify the important opinion leaders sharing the conspiracy, the key websites, and the narratives.

Methods

A total of 18,706 tweets were retrieved and analyzed by using social network analysis. Data were retrieved from June 1 to June 13, 2021, using the keyword vaccine magnetic. Tweets were retrieved via a dedicated Twitter application programming interface. More specifically, the Academic Track application programming interface was used, and the data were analyzed by using NodeXL Pro (Social Media Research Foundation) and Gephi.

Results

There were a total of 22,762 connections between Twitter users within the data set. This study found that the most influential user within the network consisted of a news account that was reporting on the magnetic vaccine conspiracy. There were also several other users that became influential, such as an epidemiologist, a health economist, and a retired sports athlete who exerted their social capital within the network.

Conclusions

Our study found that influential users were effective broadcasters against the conspiracy, and their reach extended beyond their own networks of Twitter followers. We emphasize the need for trust in influential users with regard to health information, particularly in the context of the widespread social uncertainty resulting from the COVID-19 pandemic, when public sentiment on social media may be unpredictable. This study highlights the potential of influential users to disrupt information flows of conspiracy theories via their unique social capital.
Engagement With the Centers for Disease Control and Prevention Coronavirus Self-Checker and Guidance Provided to Users in the United States From March 23, 2020, to April 19, 2021: Thematic and Trend Analysis (Preprint)
Authors: Shah Ami B , Oyegun Eghosa , Hampton William Brett , Neri Antonio , Maddox Nicole , Raso Danielle , Sandhu Paramjit , Patel Anita , Koonin Lisa M , Lee Leslie , Roper Lauren , Whitfield Geoffrey , Siegel David A , Koumans Emily H
Published: March 2023

BACKGROUND

In 2020, at the onset of the COVID-19 pandemic, the United States experienced surges in healthcare needs, which challenged capacity throughout the healthcare system. Stay-at-home orders in many jurisdictions, cancellation of elective procedures, and closures of outpatient medical offices disrupted patient access to care. To inform symptomatic persons about when to seek care and potentially help alleviate the burden on the healthcare system, Centers for Disease Control and Prevention (CDC) and partners developed the CDC Coronavirus Self-Checker (“Self-Checker”). This interactive tool assists individuals seeking information about COVID-19 to determine the appropriate level of care by asking demographic, clinical, and nonclinical questions during an online “conversation.”

OBJECTIVE

This paper describes user characteristics, trends in use, and recommendations delivered by the Self-Checker between March 23, 2020, and April 19, 2021, for pursuing appropriate levels of medical care depending on the severity of user symptoms.

METHODS

User characteristics and trends in completed conversations that resulted in a care message were analyzed. Care messages delivered by the Self-Checker were manually classified into three overarching conversation themes: (1) seek care immediately; (2) take no action, or stay home and self-monitor; and (3) conversation redirected. Trends in 7-day averages of conversations and COVID-19 cases were examined with development and marketing milestones that potentially impacted Self-Checker user engagement.

RESULTS

Among 16,718,667 completed conversations, the Self-Checker delivered recommendations for 69.27% (n=11,580,738) of all conversations to “take no action, or stay home and self-monitor”; 28.8% (n=4,822,138) of conversations to “seek care immediately”; and 1.89% (n=315,791) of conversations were redirected to other resources without providing any care advice. Among 6.8 million conversations initiated for self-reported sick individuals without life-threatening symptoms, 59.21% resulted in a recommendation to “take no action, or stay home and self-monitor.” Nearly all individuals (99.8%) who were not sick were also advised to “take no action, or stay home and self-monitor.”

CONCLUSIONS

The majority of Self-Checker conversations resulted in advice to take no action, or stay home and self-monitor. This guidance may have reduced patient volume on the medical system; however, future studies evaluating patients’ satisfaction, intention to follow the care advice received, course of action, and care modality pursued could clarify the impact of the Self-Checker and similar tools during future public health emergencies.
Leveling the Research Playing Field: Decolonizing Global Health Research Through Web-Based Platforms (Preprint)
Authors: Seth Rajeev , Dhaliwal Baldeep K , Miller Emily , Best Tyler , Sullivan Alexis , Thankachen Betty , Qaiyum Yawar , Shet Anita
Published: March 2023

UNSTRUCTURED

Global health research has traditionally been rooted in colonialism, with some investigators in high-income countries leading and managing research and investigators in low- and middle-income countries serving as implementing partners. The Community Health Worker-Led Intervention for Vaccine Information and Confidence (CIVIC) Project, conducted in India and led jointly by India- and US-based investigators, leveraged web-based platforms to facilitate a more horizontal, inclusive, and balanced approach to partnerships between researchers and the community. Using web-based platforms to conduct research was found to be an effective strategy to engage researchers at all levels and combat systemic barriers associated with in-person activities such as power, economic, social, and gender dynamics. Connecting online for research meetings created a more equitable environment for community members to engage meaningfully with research. Further, by conducting research through web-based platforms, we found that we were able to strengthen the diversity of participants, provide a space for more marginalized groups to speak up, and minimize logistical barriers to attendance. Harnessing web-based approaches in research provides a pathway toward opportunities to promote equity and contribute to the decolonization of global health spaces.
Wait time for outpatients in public hospitals: a survey from North China (Preprint)
Authors: Xu Zhiwei
Published: March 2023

BACKGROUND

Outpatient department as the first department of hospital to directly contact with patients, is an important department to take medical assistance and service assurance for patients. The wait time is an important index which can reflect the satisfaction of patients and the situation of the utilization of health resources. Our study shows the direct time and indirect time of outpatient in order to find out the value of wait time in hospital management.

OBJECTIVE

By investigating the waiting time of public hospitals, we try to find the current situation of efficiency in public hospitals in China, and provide suggestions for the future reform of China's medical and health system.

METHODS

The data come from nine hospital which was selected by layering in Beijing and Shandong, there are three tertiary hospital, three intermediate hospital and three primary hospital or community hospital. The questionnaire which was designed by expert group included general information and detailed information about wait time in outpatient department. 1159 questionnaires are given out and all questionnaires are collected back, there are 1098 of 1159 can be used effectively, the effective rate was 94.73%. Excel 2003 and SAS are used to analyze the data.

RESULTS

Compared with register group, both the indirect wait time and direct wait time are significant shorter in reservation group. The age and education level impact the using of reservation system. Compared among different level hospitals, the direct wait time and indirect wait time significant shorter in low grade hospital, among the arrival time, the direct wait time and indirect wait time of lower half time period are significant shorter than upper half time period.

CONCLUSIONS

Combine the reservation system and set-convenience register can reduce both the indirect wait time and direct wait time, it also can meet the demand of those patients who older than 65 years or low education.

CLINICALTRIAL

NA
Impact of COVID-19 Vaccinations in India: A State-wise Analysis (Preprint)
Authors: Adhikary Abhigayan , Pal Manoranjan , Maiti Raju , Ghosh Palash
Published: March 2023

BACKGROUND

Ever since the emergence of COVID-19 and its consequent spread across continents, engulfing both advanced and developing nations, COVID-19 vaccine was considered to be main weapon to curb the spread of virus. The COVID-19 vaccination program in India started after the first wave of infections (March – December 2020) had almost subsided.

OBJECTIVE

In this work, the objective is to perform a state-wise analysis to assess the impact of vaccination in slowing down the spread of infections during the second COVID-19 wave (February – October 2021) in India. The prediction accuracy of the proposed model with the optimal lag length (in days) after including the impact of vaccination is evaluated and compared with a model without it. A total of 21 states are chosen for the analysis encompassing 97% of the Indian population.

METHODS

We use the generalized Gompertz curve to study the COVID-19 outbreak. The generalized Gompertz model is then modified to study the impact of vaccination to slow down the spread of COVID-19. The modified model considers the cumulative proportion of individuals having the first COVID-19 vaccine shot in each state as the explanatory variable.

RESULTS

We observe that, out of 21 states, 16 states show the impact of vaccines in curbing the spread of COVID-19. However, in states like Telangana, West Bengal, Tamil Nadu, Rajasthan, and Kerala, we do not conclusively observe the impact of vaccination during the study period.

CONCLUSIONS

The effectiveness of the COVID-19 vaccine depends on many factors. Some of them are not directly measurable. Using only COVID-19 infection cases and the vaccination data in the proposed model, we conclude that overall the vaccination program effectively curbed the spread of COVID-19 in India.

CLINICALTRIAL
The Impact of a Mobile Support Group on Distress and Physical Activity in Breast Cancer Survivors: Randomized, Parallel-Group, Open-Label, Controlled Trial (Preprint)
Authors: Jung Miyeon , Lee Sae Byul , Lee Jong Won , Park Yu Rang , Chung Haekwon , Min Yul Ha , Park Hye Jin , Lee Minsun , Chung Seockhoon , Son Byung Ho , Ahn Sei-Hyun , Chung Il Yong
Published: March 2023

BACKGROUND

While mobile health apps have demonstrated their potential in revolutionizing health behavior changes, the impact of a mobile community built on these apps on the level of physical activity and mental well-being in cancer survivors remains unexplored.

OBJECTIVE

In this randomized controlled trial, we examine the effects of participation in a mobile health community specifically designed for breast cancer survivors on their physical activity levels and mental distress.

METHODS

We performed a single-center, randomized, parallel-group, open-label, controlled trial. This trial enrolled women between 20 and 60 years of age with stage 0 to III breast cancer, an Eastern Cooperative Oncology Group performance status of 0, and the capability of using their own smartphone apps. From January 7, 2019, to April 17, 2020, a total of 2,616 patients were consecutively screened for eligibility after breast cancer surgery. Overall, 202 patients were enrolled in this trial, and 186 patients were randomly assigned (1:1) to either the intervention group (engagement in a mobile peer support community using an app for tracking steps; n=93) or the control group (using the app for step tracking only; n=93) with a block size of 10 without stratification. The mobile app provides a visual interface of daily step counts, while the community function also provides rankings among its members and regular notifications encouraging physical activity. The primary end point was the rate of moderate to severe distress for the 24-week study period, measured through an app-based survey using the Distress Thermometer. The secondary end point was the total weekly steps during the 24-week period.

RESULTS

After excluding dropouts, 85 patients in the intervention group and 90 patients in the control group were included in the analysis. Multivariate analyses showed that patients in the intervention group had a significantly lower degree of moderate to severe distress (B=–0.558; odds ratio 0.572; P<.001) and a higher number of total weekly step counts (B=0.125; rate ratio 1.132; P<.001) during the 24-week period.

CONCLUSIONS

Engagement in a mobile app–based patient community was effective in reducing mental distress and increasing physical activity in breast cancer survivors.

CLINICALTRIAL

ClinicalTrials.gov NCT03783481; https://classic.clinicaltrials.gov/ct2/show/NCT03783481
Едаравон: доведена ефективність і безпека, міжнародне визнання в лікуванні гострого ішемічного інсульту
Authors: Moskovko S.P.
Published: March 2023

Гостре порушення мозкового кровообігу продовжує залишатися однією з актуальних проблем неврології, що обумовлено його значною поширеністю, смертністю й інвалідизацією населення внаслідок цієї патології. Відомо, що патогенез гострого ішемічного інсульту складається з ішемічного каскаду реакцій у мозку, який призводить до збільшення продукції вільних радикалів, що чинять пряму пошкоджуючу дію на клітинні мембрани й органели (мітохондрії, комплекс Гольджі, ядро тощо), а також формує вторинні ефекти за рахунок ураження ендотелію капілярів — збільшення проникності судинної стінки, зростання тканинного набряку й поглиблення ішемії. Едаравон — блокатор ішемічного каскаду, який завдяки пасивній дифузії проникає через клітинні мембрани й активно видаляє пероксильні радикали за допомогою механізму донорства електронів, сприяє зниженню інтенсивності перекисного окиснення ліпідів і пригнічує пошкодження клітин ендотелію судин. Ефективність і безпека едаравону в лікуванні гострого ішемічного інсульту доведена в багатьох клінічних дослідженнях і кокранівському огляді. На сьогодні едаравон — це стандарт лікування гострого порушення мозкового кровообігу в Японії. У жовтні 2022 року в «Міжнародному журналі інсульту», офіційному виданні Всесвітньої організації боротьби з інсультом (World Stroke Organization), були опубліковані оновлені японські настанови з лікування гострого ішемічного інсульту з рекомендацією щодо призначення едаравону (рівень доказовості B).
Contextos y dinámicas de las protestas de la diversidad sexual y de género en México
Authors: Gómez García Irazu
Published: March 2023

El libro Cuerpos disidentes y sus cartografías de protesta presenta un análisis diagnóstico en relación con las movilizaciones de la diversidad sexual y de género en nueve municipios de México. Su objeto es proponer una reflexión novedosa alrededor de las dinámicas de acción y los elementos que constituyen y conectan cada uno de los casos presentados.
COMUNICACIÓN ACÚSTICA EN LA PRIMERA ETAPA DE VIDA DE LA TORTUGA DEL RÍO MAGDALENA: Podocnemis lewyana
Authors: Del Río Jennifer Sofia
Published: March 2023

En este estudio se provee la primera evidencia de comunicación acústica de Podocnemis lewyana presentando los resultados de grabaciones realizadas a individuos que estaban próximos a eclosionar y post eclosionados de hasta dos meses de edad de una especie endémica de Colombia. Se encontró un repertorio vocal conformado por 7 tipos de sonidos que varían de pulsos a sonidos con bandas armónicas y no armónicas, tonos simples y agudos, con frecuencias que varían entre 76 Hz y 24000 Hz. Adicionalmente, se sugiere que P. lewyana posiblemente posee un repertorio vocal igualmente complejo al de P. expansa, una especie estrechamente relacionada.
FIRST PREDATION RECORD OF Celestus legnotus CAMPBELL & CAMARILLO 1994 (SQUAMATA: ANGUIDAE) BY Lampropeltis polyzona COPE, 1860 (SQUAMATA: COLUBRIDAE) IN PUEBLA, MÉXICO
Authors: Guizado Rodríguez Martha Anahi , Fernández-Rojas Ana Laura , Ortuño-Rivera Durcy Mariela , Ángel-Hernández Estefanía , Viveros-Moreno Brenda
Published: March 2023

Colubrids are known to feed on other vertebrates such as birds, small mammals, lizards, and in some cases on eggs and invertebrates. On the contrary, there is a considerable gap in information on a variety of aspects of the natural history of anguids. We report the first record of Lampropeltis polyzona preying on Celestus legnotus, one of the least known anguids in México, so based on a photograph taken in the community of Atemeya, municipality of Yaonahuac, Puebla, it allows us to include C. legnotus with in of the L. polyzona diet.
PATRÓN DE OSIFICACIÓN POSTNATAL Y HETEROCRONÍAS EN LAS LAGARTIJAS ANDINAS DE GYMNOPHTHALMOIDEA
Authors: Torres Vasquez Itza Hinumaru , Jerez Adriana , Arenas-Rodríguez Angélica
Published: March 2023

Gymnophthalmoidea es un clado compuesto por las familias Alopoglossidae, Teiidae y Gymnophthalmidae. La distribución geográfica de tierras bajas a altoandinas, la existencia de especies pequeñas y muy grandes y la evolución de formas con alargamiento corporal y reducción de extremidades hacen de este grupo un modelo único para explorar el desarrollo del esqueleto. Los estudios del desarrollo postembrionario no solo constituyen los cambios en la forma del esqueleto, sino también el patrón de osificación, que constituye una fuente de información filogenética. Por lo tanto, describimos el patrón de osificación del esqueleto de algunas especies de Gymnophthalmidae (Anadia bogotensis, Riama striata) y Alopoglossidae (Alopoglossus bicolor) y comparamos con otras especies en Gymnophthalmoidea. Además, analizamos los eventos heterocrónicos incluyendo Alopoglossidae, Teiidae y Gymnophthalmidae. Encontramos que Gymnophthalmoidea comparte características del patrón de osificación con Squamata en el cráneo y las extremidades. Un evento heterocrónico es compartido por Gymnophthalmidae, en el cual, la epífisis del radio desarrolla centros de osificación más tarde que las epífisis del húmero, ulna, metacarpo, fémur y el carpo. En conclusión, A. bogotensis, R. striata y B. bicolor comparten características que las separan de A. bicolor, indicando diferencias filogenéticas, las cuales son evidentes en un evento heterocrónico en el patrón de osificación del esqueleto. Entoces, los estudios descriptivos y comparativos del esqueleto aportan información de valor filogenético importante en la comprensión de la evolución de los Gymnophthalmoidea y lagartos escamados en general.
DEFENSIVE BEHAVIOR OF THE ANTIOQUIA CHOCOLATE FROG (Hyloscirtus antioquia)
Authors: Tovar Bibiana , Pineda Gissella , Clavijo-Garzón Sigifredo , Vargas David , Medina Ricardo
Published: March 2023

We present the description of defensive behavior in the Colombian chocolate frog (Hyloscirtus antioquia), observed in seven males that performed a change in body posture. The defensive behavior corresponded to body-contraction, chin-tucking, and eye protection (closed eyes), accompanied by skin secretions and an intense odor after they were captured and handled. Suggesting that the combination of defe
DEPREDACIÓN DE Rheohyla miotympanum (ANURA: HYLIDAE) POR Pliocercus elapoides (SQUAMATA: COLUBRIDAE) EN EL CENTRO DE VERACRUZ
Authors: Díaz-García Juan Manuel , Kelly-Hernández Alfonso , Vásquez-Cruz Víctor
Published: March 2023

En esta nota presentamos un caso de depredación de la rana de orejas chicas Rheohyla miotympanum por la culebra falsa coral de Pliocercus elapoides en el centro de Veracruz, México. Este registro representa el primer depredador vertebrado conocido de la rana de orejas chicas, y el primer hylido presa reportado en la dieta de la culebra falsa coral.
Addition To The Herpetofauna Of Pico Bonito National Park, Honduras
Authors: Andino Mazariegos Anthonie Ivanovish , Ramos Katy , Mérita Julio , Cruz Gustavo
Published: March 2023

Two more species are reported for the Pico Bonito National Park, one from the Dactyloidae family and another from the Colubridae family, thus increasing the herpetofauna from 82 to 84 species, at the same time the distribution of the species Norops capito (Peters, 1863) is expanded to the north of Honduras, this being the first record for the department of Atlántida.
Drymobius chloroticus (COLUBRIDAE)
Authors: Bernal José Manuel , Mateo Sánchez José Justo , Ahumada-Carrillo Iván Trinidad , García-Vázquez Uri Omar
Published: March 2023

Nuevo registro de districuión de Drymobius chloroticus en el estado de Puebla.
UPPER ELEVATIONAL RANGE EXTENSION OF Sceloporus utiformis COPE, 1864 (SQUAMATA: PHRYNOSOMATIDAE) IN THE SIERRA DE MANANTLÁN BIOSPHERE RESERVE, MEXICO
Authors: Muñoz-Nolasco Francisco Javier , Cruz-Sáenz Daniel , Méndez-de la Cruz Fausto Roberto
Published: March 2023

Cope's Largescale Spiny Lizards (Sceloporus utiformis) are endemic to the Pacific slope of Mexico. They are oviparous and are known to inhabit tropical and temperate forests from sea level to 1,800 m a.s.l. Here, we expand this range based on the finding, in May 2022, of two individuals of S. utiformis in the southeastern portion of the Sierra de Manantlán, at 2154 m elevation. We also provide data on morphometry and field body and microhabitat temperatures of these organisms. A previous study conducted at the same locality almost three decades ago found the species to be present at much lower elevations, so we hypothesize that this could be a case of upward range shifting due to climate change. Moreover, as few oviparous members of the genus Sceloporus occur above 2,000 m elevation, this record triggers many questions about the ecological implications of oviparity along elevation gradients.
DEPREDACIÓN DE Leptodeira polysticta (DIPSADIDAE) POR Tliltocatl kahlenbergi (THERAPHOSIDAE) EN EL BOSQUE TROPICAL DE LOS TUXTLAS, VERACRUZ
Authors: Jiménez Arcos Victor Hugo , Cortés Ortiz Bruno , Aguilar Herrera Eduardo A.
Published: March 2023

Reportamos el primer caso de depredación de la Culebra Ojo de Gato (Leptodeira polysticta) por la Tarántula Veracruzana (Tliltocatl kahlenbergi) en el bosque tropical de la región de los Tuxtlas, Veracruz, México. La documentación de este evento proporciona una interacción ecológica para L. polysticta, lo cual contribuye al conocimiento de la red trófica en este ecosistema a través de la documentación de historia natural.
CONTRIBUCIÓN AL CONOCIMIENTO DE LA DIETA DE Bothrops asper (SQUAMATA: VIPERIDAE)
Authors: Rodriguez Salazar Miguel Angel , Barragán Saldaña Asela Samari , Hernández Ordóñez Omar , Hortelano Moncada Yolanda
Published: March 2023

Se revisó el contenido estomacal de un ejemplar adulto hembra atropellado de nauyaca real, Bothrops asper, en el municipio de Minatitlán, al sur del estado de Veracruz. Se reportan por primera vez dos especies de roedores, a la rata arrocera Handleyomys rostratus y el ratón espinoso pintado Heteromys pictus, aumentando el listado a 13 especies de roedores como parte de la dieta de la nauyaca real B. asper.
PRIMER REGISTRO DE DEPREDACIÓN DE Erythrolamprus sagittifer (SQUAMATA: DIPSADIDAE) POR Geranoaetus albicaudatus (ACCIPITRIFORMES: ACCIPITRIDAE) EN LA PROVINCIA DE NEUQUÉN, ARGENTINA.
Authors: Fernández Reinoso Ruben , Acosta Juan , Acosta Rodrigo , Corrales Lucas
Published: March 2023

Erythrolamprus sagittifer se distribuye en Bolivia, Paraguay y Argentina. Es una especie ovípara, diurna y generalista. Geranoaetus albicaudatus se distribuye ampliamente desde Texas hasta la Patagonia Argentina y se alimenta de una amplia gama de vertebrados e invertebrados. Presentamos el primer registro documentado de depredación de E. sagittifer por G. albicaudatus, en la Provincia de Neuquén Argentina.