bluuebunny/crossref_metadata_2025 huggingface dataset:
Engineering of ovarian tissue for ovarian dysfunctions: A review
Authors: Zhylkybekova Aliya , Koshmaganbetova Gulbakit K. , Rysmakhanov Myltykbay S. , Abenova Nurgul Abdullayevna , Mussin Nadiar Maratovich , Kaliyev Asset Askerovich , Mahdipour Mahdi , Tamadon Amin
Published: January 2024

This review explores tissue engineering as a potential solution for reproductive health issues in women caused by genetic or acquired diseases, such as premature ovarian failure or oophorectomy. The loss of ovarian function can lead to infertility, osteoporosis, and cardiovascular disease. Hormone replacement therapy is a common treatment, but it has limitations and risks. The review focuses on two main approaches in tissue engineering: scaffold-based (3D printing, electrospinning, decellularization) and scaffold-free (stem cell transplantation, organoid cultivation). Both approaches show promise in preclinical studies for creating functional ovarian tissue. Challenges include vascularization, innervation, long-term function, and safety. Despite these challenges, tissue engineering offers a potential avenue for restoring fertility and hormone balance in women with ovarian dysfunction.
Subsequent pregnancy outcomes and fertility rates in the case series that underwent bilateral hypogastric artery ligation (BHGAL) due to severe postpartum hemorrhage
Authors: Gulcan OKUTUCU , Mehmet S EVSEN , Nurullah PEKER , Senem YAMAN TUNC , Mehmet S ICEN
Published: January 2024

Objective:

To evaluate the effect of bilateral hypogastric artery ligation (BHGAL) on women's pregnancy outcomes and fertility rates in cases with severe postpartum hemorrhage.

Methods:

Patients hospitalized in a tertiary care center between 2007 and 2018 were included in the study. The records of cases were obtained from the hospital database, retrospectively. Maternal demographic data, morbidities or complications associated with BHGAL surgery, any additional haemostatic interventional or surgical procedures, preoperative admission and lowest postoperative haematocrit-hemoglobin values, blood products given, type of anaesthesia, intensive care unit (ICU) and length of hospital stay were recorded. In cases without surgical sterilization, future fertility and subsequent pregnancy outcomes were assessed for at least two years after operation. Information was obtained through face-to-face or telephone interviews with patients whose long-term fertility and subsequent pregnancy outcomes were assessed.

Results:

Sixty-eight patients with BHGAL surgery history were included in the study. 26 Of 37 cases (70%) that did not undergo surgical sterilization had a desire for pregnancy after the surgery. Six of these cases (23%) were diagnosed with secondary infertility. The fertility rate of these cases was 77%, and subsequent pregnancy was detected in 20 women. A total of 25 pregnancies, including first and second pregnancies, developed, and 15 of these pregnancies resulted in term delivery, six preterm births, one stillbirth, and three abortions.

Conclusions:

The postoperative pregnancy rate was found to be higher than the rate of women with infertility problems, and this surgery does not seem to adversely affect pregnancy outcomes. This is a tertiary center experience and cohort studies with large patient series are needed.
Natural course of non-center-involving diabetic macular edema progression in patients under initial observation
Authors: Pradhana Divya , Priya N Swathi , Manayath George J , Kulkarni Sucheta , Behera Umesh C , Agarwal Tushar , Agarwal Manisha , Shah Shalin , Giridhar A , Surya Janani , Ramasamy Kim , Vignesh TP , Shoba Sivaprasad , Bhende Muna , Raman Rajiv
Published: January 2024

Purpose:

We aim to report the natural course of non-center involving diabetic macular edema (NCIDME) progression to center involving diabetic macular edema (CIDME) and associated risk factors.

Methods:

This is a multicenter retrospective comparative study. Data was collected from electronic medical records from 8 centers in India covering. We included patients with type 2 diabetes above 18 years of age with treatment-naïve NCIDME on OCT and best-corrected visual acuity at baseline of 6/12 or better who were under observation for NCIDME and had 2 years follow-up data.

Results:

Out of 72 patients with NCIDME, 26.38% patients progressed to CI DME by 2 years, and the visit wise proportion was 11.11% at 6 months, 7% at 1st year and 8.3% at 2 years. The change in CST was statistically significant at 2 years in patients who developed CIDME, the mean difference was 137.73 ± 48.56 microns p = 0.045. Duration of diabetes mellitus > 10 years was the only risk factor for conversion to CIDME.

Conclusion:

A quarter of eyes with NCIDME developed CIDME and 15% progressed from NPDR to PDR by 2 years, highlighting the disease burden in these patients with NCIDME.
Road User Charging™ ASN File
Authors:   Tolling Applications Technical Committee
Published: January 2024

This Abstract Syntax Notation (ASN.1) file precisely specifies the structure of the data used to support implementation of SAE International Standard J3217/R. Using the ASN.1 specification, a compiler tool can be used to produce encodings as required by the encoding rules identified in the standard (SAE J3217/R messages are encoded with UPER encoding). Both this file and the SAE J2735 ASN.1 files are necessary to collectively implement the data exchanges described in SAE J3217/R. The combined library can be used by any application (along with the additional logic of that application) to exchange the data using interfaces conformant to J3217/R.

SAE J3217/R specifies interface requirements and message exchanges for configuration and reporting in road use charging systems.
Modes of rejuvenation for legacy brands.
Authors:   , Kasimzade Torben
Published: January 2024

For a long time, practitioners, including me, have asked themselves what makes or breaks a successful brand turnaround (BT) – brands which have been in decline and, yet, were able to rise from the ashes to new success. Many BT cases exist with highly respected Chief Executive Officers (CEO) featured as the turnaround leader – especially for legacy brands (LB) with a more publicly known image, i.e. beyond its industry or natural target group. The BT phenomenon is widely subsumed under brand rejuvenation (BRJ). Interestingly, while the momentum of corporate turnaround literature is still accelerating, the systematic review of pure BRJ literature in this study highlighted considerable gaps. Thus, a qualitative study was conducted by interviewing six BT experts (CEO and the heads of marketing with BRJ experience of LB) for their in-depth insight. Hence, the research aims to identify the main modes of rejuvenation adopted in reviving legacy brands and to ascertain senior managers’ perceptions of required actions. Thus, BRJ theories are analysed and compared with the insight of brand turnaround executives. According to the results, executives leading the BRJ do not currently follow any theoretical framework – which they do not even recognise. Despite this, three generic modes could be identified: a short-term analysis/audit phase, a long-term change management phase, and a medium-term first growth phase. Further, the results suggest a pattern in CEOs acting intuitively rather than strategically in BRJ situations. This can be counterproductive in the trust-building process but also when fostering innovation. Egocentricity seems to play an important role; this is termed the “I”-factor of the CEO and is an influential force that can be good or bad for BRJ. Thus, practitioners will benefit from this study, as guidance is given for successful BRJ. Moreover, it shifts the focus away from the well-featured CEO and the “I”-factor, emphasising staff below that position for the first time. Consequently, exciting avenues for further academic research are highlighted.
What Drives People and Organisations that Drive Innovation? The Fundamental Motives, Organisational Climate, and Innovative Work Behaviour in the German Private Sector.
Authors:   , Krivokapa-Williams Nea
Published: January 2024

This PhD thesis investigates the drivers of innovation within the German private sector, focusing on the context of individual and organisational factors. At the individual level, the research explores the influence of intrinsic motivation on innovative work behaviour (IWB). While previous studies have examined personality traits, such as the Big Five, and their relationship with innovation, this thesis takes a multi-faceted approach. By exploring fundamental intrinsic motives, a deeper understanding of the complex nature of motivation and its role in fostering innovation is achieved and an original contribution to the field of motivational studies and innovation management is made. On the organisational level, the study recognises that innovation is a collaborative and multi-stage process. Therefore, examining innovation solely at the individual level is insufficient. The research investigates the mediation effect of organisational climate variables, such as autonomy, formalisation, and reflexivity, on the relationship between fundamental motives and innovative work behaviour. This study examines two data sets collected from eight German enterprises, encompassing 584 employee surveys and 421 supervisor surveys. After cleaning and matching the data, a total of 372 data sets were analysed to test the proposed hypotheses, employing Structural Equation Modelling (SEM). The findings of this research have both theoretical and practical implications. The theoretical framework developed in this study contributes to the understanding of innovation drivers, while the practical recommendations offer guidance for increasing innovation within the German private sector. By establishing a comprehensive understanding of innovation and its underlying drivers, organisations can foster a climate of innovation and gain a competitive edge in the marketplace.
La motivación en el aprendizaje del vocabulario del inglés técnico en universitarios de ingeniería
Authors: Herrera Pretel Denise Margarita
Published: January 2024

La investigación tuvo como objetivo determinar la influencia de la motivación en el aprendizaje de vocabulario de inglés técnico en estudiantes universitarios de ingeniería de minas de la Universidad Nacional de Trujillo (UNT), 2022. Metodológicamente se enmarcó bajo un enfoque de investigación cuantitativo, de nivel básico descriptivo correlativo causal, y con diseño no experimental. La población estuvo conformada por los estudiantes de ingeniería de minas de la Universidad Nacional de Trujillo, 2022, la muestra fue conformada por 20 estudiantes. Para recoger la información de las variables se empleó un test de vocabulario técnico, mientras que para la motivación se empleó un cuestionario tipo Likert. En la contrastación de la hipótesis se utilizó un modelo de análisis de regresión ordinal simple que es válido para determinar relaciones de dependencia entre dos variables. Con ello y a la luz de los estudios empíricos y teoría referenciadas en el marco teórico se concluyó que existe asociación entre la motivación y el aprendizaje de vocabulario de inglés técnico, dado que el valor obtenido de la significancia bilateral del Chi cuadrado X2 = .000 fue menor que el nivel de significancia estadística de 0,05.
Aplicación de las escalas de medición ordinal para interpretar coeficientes de la correlación en investigación científica
Authors: Carranza Rodríguez Aurelio Maximino , Carranza Monzón Diana Lucía , León Luyo Sandra Lizzette
Published: January 2024

El objetivo de este artículo es aclarar la correcta comprensión del coeficiente de correlación, con escala numérica e intervalo ordinal, utilizando enfoque mixto, y diversos métodos estadísticos, descriptivos, exploratorio y causal, junto con niveles descriptivos. Se han encontrado resultados claros y se pudo elaborar una tabla resumen para el uso racional de la decisión del coeficiente de correlación. Se concluye que, en investigaciones en ciencias aplicadas, matemáticas y simulaciones estadísticas, se debe seguir la escala de Cohen (1988): r grande = 0,50, r medio = 0,30 y r pequeño = 0,10. En ciencias sociales, medicina, econometría, psicología, educación y ciencia de datos según Hinkle, Wiersma, & Jurs (2003), siendo los niveles con mayor referencia siendo muy pequeña, poca o ninguna, baja, moderada, alta, muy alta, el cual abarca categorías como muy pequeña, poca o ninguna, baja, moderada, alta y muy alta. Además, se sugiere el uso del Bootstrap en estudios de correlación, el análisis visual de los datos mediante gráficos para detectar valores atípicos, y el empleo de correlogramas de calor en el caso de datos multivariados.
¿Es posible la personalización educativa a través del modelo TPACK?
Authors: López Valek Fanny Margarita , Ospina Lozano Luis Eduardo
Published: January 2024

Surge la reflexión aquí planteada, desde un sincretismo de prácticas pedagógicas realizadas por los autores en la Universidad Libre de Colombia acerca de temas filosóficos y tecnológicos aplicados a la educación, así abordamos el modelo TPACK (Technological Pedagogical Content Knowledge) sustentado en la filosofía personalista, esperando ampliar teóricamente la visión del docente como ser con vocación de servicio; por ende, profesional idóneo con sentido de autorrealización.
CLIMA FAMILIAR, HABILIDADES SOCIALES Y CONDUCTAS ANTISOCIALES EN ADOLESCENTES DE HUANCAYO
Authors: Salcedo-Ramón Henry Ángel
Published: January 2024

Los conflictos en la familia son una manifestación constante y se vincula con el cumplimiento del rol educador que esta entidad posee, originando un determinado funcionamiento comportamental en los adolescentes. En esa dirección, la investigación buscó determinar la influencia del clima social familiar sobre las habilidades sociales, subsecuentemente sobre las conductas antisociales – delictivas en adolescentes de Huancayo. Para ello, se aplicó un método hipotético-deductivo, de diseño no experimental, explicativo, transversal, con variables latentes, la muestra estuvo constituida por 954 adolescentes de 7 colegios de la ciudad de Huancayo de 12 a 18 años de edad. Para el recojo de información se aplicó la Escala de Clima Social Familiar, la Lista de Evaluación de Habilidades Sociales y la Escala de Conductas Antisocial A-D, instrumentos que demostraron evidencia de validez basada en el contenido (Juicio de expertos – V de Aiken) y estructura interna (AFC). Los resultados expresan que el modelo teórico propuesto presenta un ajuste adecuado, excluyendo la variable de conductas delictivas (CFI=.961; TLI=.951; RMSEA=.075; SRMR=.052; AIC=10796.757; BIC=10884.514). Por ello, se concluye que el clima social familiar influye directamente sobre las habilidades sociales (β=.66; r2=.430), y esta última, influye inversamente sobre las conductas antisociales (β=-.82; r2=.674; f2=2.07) en adolescentes de la ciudad de Huancayo.
LA IMPORTANCIA DEL LIDERAZGO EN LA GESTIÓN EMPRESARIAL
Authors: Díaz Mazabel Susana Beatriz
Published: January 2024

El ensayo trata sobre el liderazgo y su relación con la estrategia empresarial. El autor argumenta que los líderes pueden nacer con habilidades innatas, pero también pueden desarrollarlas a lo largo del tiempo. Además, un gerente que es líder debe ser ético, tener una visión clara del futuro y guiar a sus seguidores sin ser egoísta. Las escuelas de negocios desempeñan un papel importante en la formación de líderes, ya que brindan herramientas necesarias para ejercer el liderazgo, como el análisis del entorno, el manejo y persuasión de grupos humanos, y el planteamiento de escenarios para entornos laborales. El autor también destaca la importancia de las buenas prácticas y la empatía en el liderazgo. En resumen, el liderazgo responsable en la gestión empresarial implica tener una visión completa del mundo, encuadrado valores y un pensamiento estratégico que enfrente los cambios además de orientar a la organización a crear valor económico y social sostenible.
Aplicación del Design Thinking en el emprendimiento. Diseño y mejora de alimentos bajo un enfoque sustentable
Authors: Alcántara-Reyes Pablo Roberto , Calderón-Martínez María Guadalupe , López-González Carlos
Published: January 2024

La comida popular al alcance de las personas tiene relevancia social, nutricional e impacta en la salud de forma importante. Este trabajo aborda el uso tanto de la metodología del Design Thinking y de la teoría de la pirámide de la sostenibilidad para mejorar el valor nutritivo y saludable de un alimento popular, buscando al mismo tiempo conservar e incrementar el valor de ese alimento y beneficiar al consumidor. El análisis de la pirámide de sostenibilidad en el diseño de un alimento funcional utilizando la metodología Design Thinking enfatiza el valor nutricional para promover la participación en el diseño de alimentos nutritivos y saludables para la población. Al aplicar este método para el diseño y mejora de alimentos se cubren las expectativas básicas del usuario final de forma empática, permitiendo obtener una mayor certidumbre respecto al emprendimiento en nuevos productos alimentarios con un enfoque sustentable.
La bioeconomía como alternativa para la diversificación productiva y la agregación de valor en el medio rural: una aproximación desde los roles de los actores sociales
Authors: Alcalá-Álvarez María del Carmen , De la Rosa-Gutiérrez Luciano , De la O-Burrola Verónica Guadalupe
Published: January 2024

El presente artículo tiene como objetivo principal mostrar un análisis sobre los actores sociales que pueden tener un rol clave para promover la bioeconomía como alternativa para la diversificación productiva y la agregación de valor en el medio rural. Se parte de la revisión al binomio economía-biología, los cuales dieron origen al concepto de Bioeconomía buscando una mejor comprensión sobre su relevancia en la transición hacia una economía sostenible. El método de investigación empleado fue no experimental porque se partió de situaciones ya existentes en torno a los actores sociales y sus facultades organizacionales, a partir de las cuales se identificó qué rol participante podrían desempeñar a favor de la Bioeconomía circular. Destacan como resultados del análisis y evaluación las directrices para una propuesta de política pública que reconozca que la bioeconomía otorga valor tanto a los recursos biológicos como al conocimiento, la investigación, la innovación y a la gestión, para el desarrollo de productos, procesos y servicios bajo el principio de sostenibilidad, donde las universidades públicas tienen un papel central en la promoción y ejecución de dicha política.
Los riesgos psicosociales en la cultura ética empresarial. Un estudio empírico en el contexto mexicano
Authors: García-Leal Hilda , Mendoza-Gómez Joel
Published: January 2024

La transformación digital y la integración de la economía mundial como constantes, han sido disruptivos en las empresas sobre como hacer negocios, en este sentido, la cultura ética, se vuelve relevante para su reputación y generación de valor social y económico, y la importancia de conocer ¿Cuáles son los factores que pueden influir en la cultura ética de las organizaciones a través de sus colaboradores? El presente tiene como objetivo identificar desde una perspectiva cuantitativa y proporcionar evidencia si factores como el control interno, el gobierno corporativo, y riesgos psicosociales influyen en la cultura ética de los colaboradores (empleados). Se identificó como brecha teórica el estudio escaso de la relación de los riesgos psicosociales con la cultura ética. La investigación se llevó a cabo desde una perspectiva cuantitativa – deductiva. Los resultados proporcionaron tres hipótesis fundamentadas y comprobadas en la teoría existente y empíricamente en la relación de la cultura ética con las variables control interno, gobierno corporativo y riesgos psicosociales, de esta última variable se pudo encontrar una aportación teórica, de acuerdo a lo mencionado en resultados obtenidos. La investigación puede aportar elementos para nuevas investigaciones y apoyar la creación de estrategias sobre factores organizacionales que dependen de la empresa.
Estrategia empresarial y financiera de los emprendimientos: un acercamiento al cantón La Maná
Authors: García Bravo Mayra Elizabeth , Torres Briones Rosa Marjorie , Reyes Armas Rodrigo Arturo , Hurtado García Ketty del Rocío
Published: January 2024

Pese a la creciente importancia de los emprendimientos para la economía local, existe una brecha en el conocimiento sobre la eficacia de sus estrategias. Por ello, el propósito de este estudio es diagnosticar los factores que influyen en la estrategia empresarial y financiera del cantón La Maná. Para esto se optó por utilizar este enfoque, ya que, este método permitirá recolectar datos numéricos específicos sobre las estrategias empresariales y financieras. Por esta razón, al definir la población objetivo se enfocó en 423 emprendimientos con una muestra total de 96 emprendimientos. Durante la preparación de los resultados del estudio, en primer lugar, se generó un perfil sociodemográfico de los participantes. Luego se realizí un análisis factorial exploratorio para determinar cómo se relacionaban las variables entre sí. Este proceso incluyó el uso de la prueba de esfericidad de Bartlett y una matriz de varianza completamente explicada, un diagrama de regla y una matriz de componentes rotados. Estas herramientas ayudaron a identificar y categorizar los factores relevantes considerados en el estudio. Finalmente, se concluyó que, en los emprendimientos de la región, las estrategias operativas, las de recursos humanos y las estrategias financieras conjuntamente desempeña un rol predominante, influenciando en un 63% la formulación y la efectividad de las estrategias empresariales.
Assessment of credit risk management practice in Dashen Bank
Authors: Gebreab Fitsum Tsegaye , Tekle Kiflu Chekole
Published: January 2024

Financial stress is affecting all types of businesses across industries, but it particularly affects banks because they are a major source of capital and taking risk is an essential and unavoidable part of the banking business. Indeed, taking risk is embedded with reward, and financial crises have become a serious problem for the world in recent years. These papers evaluate Dashen Bank's approach to credit risk management. This study's primary objective is to evaluate Dashen Bank's credit risk management practices and determine how they are managed. Its primary focus is on credit evaluation in Dashen Bank. The researcher used descriptive research design, distributed questionnaires to officers. In addition to this the researchers used in- depth interview with management bodies. Both primary and secondary data collection method were used, census method were used, the study findings indicate that the bank doesn’t provide enough training for employees, the offsite follow up method placed by the bank is not successful, the credit risk management of the bank is weak also the credit collection system is not effective are among the main findings. The researcher suggest that the bank should provide strong and consecutive training for the employee, better follow up mechanism should apply new procedure should put in place to assess the capacity the client who need  the long term loan.
SAR de teléfonos inteligentes con refracción negativa de metamateriales: primera parte
Authors: Torres-Silva Héctor
Published: January 2024

En este artículo se analiza la reducción de la tasa de absorción específica (SAR) en smartphones con capa metamaterial bajo la presencia de contaminación magnética. Desde el inicio de la especificación del SAR por parte de los fabricantes, no se tiene en cuenta la fuerte influencia del campo magnético generado por las líneas de transmisión, el interior de las plataformas de los trenes eléctricos, la proximidad de los dispositivos eléctricos que aumentan la absorción. Además de esta contaminación magnética está la contaminación de material particulado (magnetita) que se produce en ciudades industriales, que se aloja en el cerebro y que es responsable de que el valor del SAR que afecta al usuario sea muy superior al SAR estipulado por los fabricantes. La capa metamaterial propuesta en este artículo como blindaje reduce el SAR en aproximadamente el 50%.
Análisis de un sistema homogenizador de jugo de naranja
Authors: Doñu-Ruiz Marco Antonio , López-Perrusquia Noé , Cortés-Suárez Víctor Jorge , Pérez-Moo Sergio Antonio , Vargas-Caballero Juan Carlos
Published: January 2024

El presente trabajo evalúa el desempeño de un homogeneizador que está compuesto por perno, asiento y anillo de impacto. Un homogeneizador se utiliza para tratar el jugo de naranja con presiones en rango de 350 a 400 MPa a una temperatura de 75 °C con vida útil de 20 días con 24 horas diarias de operación. El análisis se empleó inspección visual, microscopio electrónico de barrido (MEB), análisis metalográfico y análisis numérico para evaluar las zonas críticas. Los resultados ponen de manifiesto la disminución de 10 días de operación bajo las condiciones de trabajo, también el desgaste por contacto de los componentes del sistema de homogeneización; el anillo de impacto, asiento de válvula y perno, que se observa por análisis MEB revela tipo desgaste adhesivo con presencia inclusiones en la matriz y carburos mixtos, que al contacto causa desprendimiento de material. Finalmente, los resultados de evaluación numéricos muestran las zonas de falla.
Modelo sistémico axiológico para las escuelas de ingeniería en el Instituto Politécnico Nacional
Authors: Martínez-Bejarano Gloria , Yarzabal-Coronel Nashielly , Patiño-Ortiz Julián
Published: January 2024

Proporcionar una educación de calidad es prioridad en el sistema educativo, principalmente en el Instituto Politécnico Nacional (IPN) de México, donde a pesar de la intención de llevar a cabo cambios fundamentales, aun no existen estrategias de implementación en el área actitudinalvaloral. Se señala a la calidad como una prioridad que se traduzca en un mayor bienestar para la mayoría y un mayor alcance de la educación. Diversa es la problemática que enfrenta en general nuestro país y es labor de las instituciones educativas a nivel superior generar egresados capaces de repararla. Hemos diagnosticado como origen de la problemática la falta de ética en los principales sistemas que conforman a nuestro país; por ello, se realiza un análisis y síntesis de la problemática para identificar arquetipos morales utilizando la metodología de sistemas de Checkland. Como resultado de la aplicación de la metodología al análisis axiológico se obtuvieron cuatro variables principales: honestidad, responsabilidad, servicio y justicia. Un segundo paso fue generar un instrumento diagnóstico de medición de estas variables en los estudiantes de la Escuela Superior de Ingeniería Mecánica y Eléctrica (ESIME) en el IPN. Los resultados de dicha encuesta nos indican que, principalmente, la honestidad y el servicio son valores que se necesitan reforzar ya que no se encuentran arraigados. Se propone que las variables identificadas sean reforzadas en un modelo educativo sistémico para llevar a cabo una mejoría de los valores, que derivarán en un cambio de actitudes e incidir en las acciones. Dando como resultado una mayor satisfacción y mejores logros a nivel individual que impacten en un mayor bienestar social.
Tecnologías bluetooth aplicadas al control de vehículos terrestres no tripulados para aspersión de agroquímicos en plantas ornamentales
Authors: Vargas-González Omar Cristian , Farías-Mendoza Nicandro , Flores-Gallegos Eduardo , Maciel-García Carlos Enrique , Cárdenas-Zanabria Ernesto
Published: January 2024

La aplicación de innovaciones científicas y tecnológicas en la agricultura es conocida como "agricultura de precisión". Un ejemplo de estas aplicaciones es la utilización de desarrollos tecnológicos como los vehículos terrestres no tripulados (UGV) para la realización de diversas actividades de la agricultura, en este ámbito, México presenta escaso desarrollo, por lo que algunas de estas actividades de producción todavía son realizadas artesanalmente o con maquinaria obsoleta. En este artículo se desarrolló el prototipo de un vehículo terrestre no tripulado operado a distancia para la aplicación de agroquímicos en viveros de plantas ornamentales. Para la construcción de este vehículo se requirió el desarrollo de un sistema de control de conducción que utiliza las consignas enviadas desde un aplicación instalada en un smartphone o una tableta utilizando bluetooth para la comunicación y el control a distancia de los actuadores electromecánicos del vehículo, de tal manera que se realicen recorridos y se ejecute la aplicación segura de agroquímicos por aspersión en plantas de ornato, reduciendo drásticamente la exposición humana a sus elementos químicos nocivos.
Análisis de software aeroespacial mediante un algoritmo de planificación modular aviónico
Authors: Quintero-Rosas Verónica , Martínez-Castillo Claudia , Hernández-Tabares Heber , Camarillo-Ramos Mario , García-Gómez Gilberto , Ibáñez-Salas Francisco , Juárez-Viveros José
Published: January 2024

Todo lo referente a aeronáutica desde su fabricación, hasta su implementación debe tener un constante monitoreo y análisis de seguridad. La respuesta a un fallo, no puede ser improvisado. La seguridad en el sector industrial aeroespacial es un punto crítico e importante a tratar, respecto a su infraestructura y tecnología. Actualmente los diseños de software y hardware han evolucionado respecto a modelos anteriores, donde los controladores eran exclusivamente analógicos y los modelos se diseñaban con procesos independientes en forma de módulos aislados, pero interconectados entre sí. Este diseño punto a punto permitía que si un proceso o módulo fallara, este no afectaría al sistema en conjunto. Se divide en cuatro módulos: control de motor, vuelo, combustible y sistema de aire. Los avances tecnológicos actuales han contribuido a nuevos sensores, nuevos protocolos de comunicación, mejor procesamiento y ahora con los sistemas ciberfísicos, los circuitos y software de redundancia e inclusive software múltiple han dado lugar a nuevas certificaciones y normas de índole federal e internacional. En este documento analizaremos las diferentes problemáticas y retos a los que se enfrenta la seguridad respecto a software con tecnología ciberfísica y verificaremos un algoritmo propuesto, respecto a algoritmos utilizados actualmente. Simularemos el algoritmo dentro de un sistema empotrado y encriptado utilizando el algoritmo de Huffman y daremos a conocer los resultados del experimento, sus retos y conclusiones.
Rare Case of Chronic Coxiella Endocarditis Without Fever or Classic Risk Factors
Authors: Carlan Steve J
Published: January 2024

Background: “Q-fever” is a zoonotic infectious disease caused by Coxiella burnetii which is most commonly transmitted globally through unpasteurized animal products or aerosolized fluid. This zoonosis is not thought to be common in developed countries due to modern utilization of pasteurization but risk for transmission remains high in those with extended contact with livestock and cattle. Acute Q-fever presents with an illness characterized by high fevers, myalgias, and segmental pneumonia, but rarely it may progress to chronic Q-fever. Chronic Q-fever most often presents with a culture-negative endocarditis with or without renal impairment and can be fatal if left untreated.

Case Report: In this case report, we present a 72-year-old male with a 3-month history of body pain, cough, and weight loss who was eventually discovered to have an afebrile presentation of Coxiella endocarditis. This patient was found to have a mitral valve vegetation diagnosed through transesophageal echocardiography and had positive serology for chronic Q-fever. Surprisingly, this patient had no classical exposures, no history of valvular dysfunction or prosthesis, and no clinical signs suggesting endocarditis, making his case markedly atypical. He was placed on a 12 -18-month course of antibiotics and was monitored on an outpatient basis.

Conclusion: Although chronic Q-fever is rare its variable presentation may cause diagnostic error if it is not kept on the differential. A transesophageal echocardiogram should be strongly preferred due to its superior visualization of heart valves. Serology remains the gold standard for diagnosis of Coxiella. When dealing with culture-negative endocarditis, clinicians should retain a high index of suspicion of Coxiella and obtain serologies for diagnosis
In-Vitro Effect of Statins on Enterococcus Faecalis
Authors: Germann Ryan
Published: January 2024

Objective: The aim of this study was to assess the in-vitro efficacy of statin medications on putative Enterococcus faecaelis, as determined by minimum inhibitory concentration.

Methods: Enterococcus faecalis 47077 was grown in the presence of simvastatin lactone (prodrug), simvastatin carboxylate (active metabolite), rosuvastatin, pravastatin and fluvastatin. Minimum Inhibitory Concentrations (MICs) were determined by serial broth dilution assays and bacteriostatic activity by observing the effect of statin on growth curves.

Results: MICs against E. faecalis were simvastatin lactone (26.1 μg/ml) and fluvastatin (249 μg/ml). The antibacterial effect of simvastatin lactone and fluvastatin was determined to be bacteriostatic. Simvastatin carboxylate, rosuvastatin and pravastatin did not inhibit bacterial growth.

Conclusion: The lipophilic statins simvastatin and fluvastatin act as in-vitro bacteriostatic antimicrobial agents against E. faecalis, whereas the hydrophilic statins simvastatin carboxylate, rosuvastatin and pravastatin did not inhibit bacterial growth in-vitro. The suppression of this pathogen may contribute to the known pleiotropic effect of certain statins, in particular simvastatin.
Concept of Siravedha and its Clinical Application in Different Surgical Diseases
Authors: Rubi Rani  , Rahul Sherkhane
Published: January 2024

Two fundamental tenets of Ayurvedic medicine are Sodhan and Saman Chikitsa. The root (originating factor) of the body is Rakta and body is sustained verily by blood and as such it should be protected carefully; in fact blood is life. Pitta Dosha and Rakta Dhatu have Ashraya Ashrayi relation with each other, hence increase and decrease of Rakta Dhatu depends on increase and decrease of Pitta Dosha. Rakta Pardoshaj Vikar is primarily caused by vitiation of Pitta Dosha. Among different types of Shodhan therapies, Rakthamokshana is considered as best for Pitta and Rakta Pradoshaj Vyadhi. In Ayurveda, Siravedhana used in the Sarvadehika dushthi of Dosha that means vitiation of Dosha all over the body. In the Shalyatantra Siravedhana has played very important role in the management of various Shakhagata Roga. But Siravedhana has plays main role in the management of disease caused by vitiation of Pitta and Rakta Dushti Vikara. Therefore in Ayurveda especially in the Shalyatantra called the Ardhachikitsa. Since Acharya Sushruta provided a thorough explanation of Pracchan and Siravedhan as well as their significance in Raktagata Vikar, all of the requirements for Siravedhan as stated by Acharyas are included in this topic.
A Conceptual Study on Shamana (Alleviation) and Prakopa (Aggravation) of Dosha is depended on Agni (Digestive Fire)
Authors: Ayushi Nigam  , Rajesh Kumar Sharma  , Komal Chavda
Published: January 2024

Ayurveda is the science of life. Agni is the unique and one of the most important concepts of Ayurveda. There are 13 different forms of Agni described in the Ayurvedic classics; like Jatharagni, Dhatwagni, Bhutagni etc. According to Acharya Charaka Shama and Prakopa states of Doshas always depend on Agni. Aims and Objectives: To study the concept of Agni and Dosha and analyse the concept of Agni and its relationship with Doshas. Materials and Method: This is a review article based on the collection of materials from available sources in Ayurveda like Brihattrayi, Laghutrayi, online articles, online journals etc. Discussion: According to Ayurveda there are three Doshas in the body. These Doshas are the intrinsic factors for Vyadhi Utpatti. The Doshas manifest the diseases or maintain the health on dependent of State of equilibrium and vitiation. As Dosha are the vitiating factors of the body and mind it also affects function of the Agni. Here Agni is responsible for health and Bala of a person. Hence, due to Prakopa of Dosha normal function of Agni gets hamper and can cause many kinds of pathogenesis and can manifest different type of diseases. Conclusion: Shamana and Prakopa of Dosha is depended on Agni. Hence any changes in the status of Dosha cannot be performed without the influence of Agni.
Ayurvedic Management of Adenomyosis
Authors: Rekha Kuwar  , Rutuja Gaikwad  , Aarthi Stanly Nadar  , Manoj Gaikwad
Published: January 2024

Adenomyosis is a gynaecologic condition characterized by ectopic endometrial tissue within the uterine myometrium. Adenomyosis, if not treated can lead to endometriosis, and hence can lead to more complications and hysterectomy might be the option. But by using Ayurvedic formulation with properties like Anulomaka, Vatashamaka, Lekhagana, Rakta prasadaka etc properties patient got significant relief from pain and irregular menses along with improvement in quality of life. Uterine adenomyosis is a benign condition in which endometrium like epithelial and stromal tissues appear in myometrium, surrounded by hypertrophic smooth muscle. Endometrial cells from the lining of endometrial cavity, migrate; most commonly into the posterior side or back wall of uterus, as these cells respond to monthly hormonal change. Severity and symptoms associated with adenomyosis, directly proportional to degree of involvement and penetration of uterine muscle. Adenomyosis can cause heavy menstrual bleeding (cyclic or acyclic) or scanty menstruation (oligomennorhoea or hypomenorrhoea) along with dysmenorrhoea. So in this case study patient having adenomyosis presented symptom of dysmenorrhoea with scanty menses and irregular menses. In this study there is Sanga of Doshas predominantly of Vata- kapha, so Lekhana is accepted and Vatavaigunya is present were Mamsa-rakta dusti is present, so Vatanulomana and Rakta prasadan chikitsa is adapted. So adenomyosis can be compared in Ayurveda with Udavartini yonivyapada among 20 Yonivyapada.
Success Story of Pakshagata
Authors: Bhagyashree K  , Megha B  , Ananta S Desai
Published: January 2024

Vatavyadhi is one among the Ashtamahagada according to different Acharyas. Samprapti of any Vatavyadhi can be analysed in 2 ways namely Dhatukshaya and Margaavarana which are not only applicable to general Vatavyadhi but also extend to specific conditions like Pakshaghata. The disease Pakshaghata can be correlated with hemiplegia as there is close resemblance with the manifestation. Stroke affects 33 million individuals worldwide every year and two third of the stroke cases occur in developing countries. In India, community surveys have shown crude prevalence rate of hemiplegia in the range of 200 per 1,00,000 people. Material and Methods- This case study involves a 52 year old male, who is not a known case of hypertension and newly diagnosed with diabetes mellitus presented with loss of strength in left half of the body since 10 days. The condition was diagnosed as Kaphavaranajanya Pakshaghata and was treated with Agnilepa, Vacha shunti Avapeedaka Nasya and Dashamula niruha basti for 17days in total. Results- There was a remarkable improvement in the Barthel index from 30 to 95. Conclusion- Pakshaghata can occur due to Margaavarana or Dhatukshaya and the Chikitsa depends on the Dosha, Vyaadhi avastha and the Samprapti involved. In this case, characterized by Vatakaphaja lakshanas, treatment focused on addressing Kaphavarana and pacifying the aggravated Vata. As Vatavyadhi are Kruchrasadhya or Asadhya in nature, they demand prolonged treatment, this case exhibited significant improvement with a single course of Agnilepa, Nasya, and Basti, with observable symptomatic relief and radiological changes.
Laparoscopy Minimally Invasive Surgery for Pet Animals
Authors: Mousumi Saha
Published: January 2024

Laparoscopy and minimally invasive surgery have become increasingly popular in veterinary medicine as they offer numerous benefits over traditional surgical techniques. This paper provides an overview of the basic principles of laparoscopy, the equipment and surgical instruments required, anesthesia and patient considerations, insufflation techniques, and specific laparoscopic procedures in veterinary medicine, such as biopsy, cystotomy, enterotomy, cryptorchidectomy, and gastropexy. Methods: Published peer-reviewed reports were used to write this short review paper. Results: The use of laparoscopy is enormously beneficial over open surgery. Published literature suggests using laparoscopy to reduce blood loss. Laparoscopy which is a minimally invasive surgery provide better visualization, less pain and scarring, faster recovery times, and fewer complications than traditional open surgery. Conclusion: The uses of laparoscopy in veterinary medicine are growing and continue to advance, offering new techniques and applications that will benefit both veterinarians and pet owners.
CLINICO-ANATOMICAL ASEPCTS OF AARTAVA AAGNEYATVYA WITH REFERENCE TO POST MENOPAUSAL SYMPTOMS
Authors: Sarang Ingle
Published: January 2024

Menopause means permanent cessation of menstruation at the end of reproductive  life due to the loss of ovarian follicular activity. Due to increased life expectancy about 1/3rd of life span of the female will be spent during the period of estrogen  deprivation stage with long term symptomatic  and metabolic complications.

According to Ayurveda menstruation starts from 12 years of the age and ends at the age of 45 years and structure is termed as Aartava. This Aartava is Agni Guna Dominant. In this article focus is on various Clinico-anatomical aspects of Post Menopausal Symptoms with respect to  Aagneyatvya of Aartava

Keywords:-

Aartava, Agni, Menopause.
Breast Reconstruction: Focus on Implant-Based Reconstruction
Authors:   Centro de Alta Especialidad Dr. Rafael Lucio, Xalapa, Veracruz, Vázquez Jon Mikel Rementeria , Marabotto Dariana Martínez ,   Universidad Anáhuac Veracruz campus Xalapa, Bonachea Brenda Leticia Rodríguez ,   Hospital General de Zona 71 IMSS, Veracruz, Veracruz, González Yazmín Pérez ,   Centro de Alta Especialidad Dr. Rafael Lucio, Xalapa, Veracruz, Salinas Rodolfo Enríquez ,   Hospital Regional Puebla ISSSTE, Palacio Luis Arturo Ramírez Riva ,   Hospital Regional Puebla ISSSTE, Almeida Yair Emmanuel Camacho ,   Hospital Comunitario de Ixhuatlan del Sureste, Ahuatzin Abigail Cerero ,   Centro de Alta Especialidad Dr. Rafael Lucio, Xalapa, Veracruz
Published: January 2024

Autologous tissue-based reconstruction and prosthetic implant-based reconstruction are the two main categories of breast reconstruction. The natural feel, size, and form of the breast can be restored by breast reconstruction with breast implants. Following a nipple- and skin-sparing mastectomy and a modified radical mastectomy, implant-based breast reconstruction is most readily executed. The most popular technique for immediate and delayed postmastectomy breast reconstruction is implant breast reconstruction, which makes use of silicone tissue expanders, which were initially utilized for breast reconstruction by Radovan in 1978 and Austad in 1979. As a sign of femininity, breasts might be lost, which can cause a woman great psychological discomfort and negatively impact her sexual life and self-image. Women are given the choice of breast reconstruction following a breast cancer removal treatment, which can enhance their quality of life. However, implant-based reconstruction ought not to be seen as an adjuvant treatment. Procedures like skin-sparing mastectomy and nipple-areola-sparing mastectomy, which enable conservative surgery with an instant implant breast reconstruction, can only be carried out with an early diagnosis.
Lived Experiences of Special Education Needs Students During Covid 19 - a Post Pandemic Reflection
Authors:   Solusi University, Chifamba (PhD) Constance , Muzira (PhD) Dumisani Rumbidzai ,   Africa University, Accounting and Finance Department, Mutare, Zimbabwe, P.O. Box 1320, Mutare, Zimbabwe,, Muzira (D.Min) Robert ,   Solusi University, Zimbabwe, Chifamba (DMin) Enock ,   Zimbabwe East Union Conference of Seventh-day Adventists (Adjunct lecturer, Solusi University)
Published: January 2024

The aim of this phenomenological study was to explore, describe and intertwine the lived experiences of students living with special educational needs (SEN) during the Covid-19 Pandemic. Seven purposively selected participants from 2 tertiary institutions in Zimbabwe. Participation was voluntary, by responding to unstructured written online interviews and telephone interviews. Each participant confirmed consent and keenly participated as they wished to share their lived experiences. Inductive thematic analysis was used to analyze the collected data. The 5 themes identified in the study were challenges faced, coping strategies, sad moments, happy moments, lessons learnt and recommendations for the future. The major challenges were unreliable internet connectivity, financial constraints, meeting deadlines for assignment submissions, feelings of loneliness and frustrations from social distance and learning remotely which further led to emotional distance, challenge of lack of adequate technological competence made some to feel incapacitated to work remotely with limited assistance from fellow classmates. In addition, others felt helpless as lecturers who did not know their conditions assumed all things being equal and expected them to participate at par with the able bodied. However, most of them felt that the experience was a blessing in disguise as they developed coping strategies. It was richly rewarding as they developed resilience in the face of challenges, they felt the synergy of working together with family members from home to achieve their goals. Lastly, most of them learnt that they too could harness technology to their advantage, so they felt motivated to embrace technology and up- scale their technological skills and venture into unknown territories even after the Pandemic is over.
Cultural Heritage and the Social Dynamics of Building Strong Institutions in Nigeria
Authors:   Department of Sociology Faculty of Social Sciences Federal University of Lafia Nasarawa State., Umari Ejue Frances
Published: January 2024

Several scholarly debates have proven the fact that, without solid Social Institutions, a society cannot realize even the basic societal task of growth and sustainable development. In a situation such as this, the tendencies for citizenry to tilt towards heinous crimes and other harmful practices would certainly be high. Therefore, interrogating the social dynamics that enable nations realize their past history, know what to preserve and how to connect such with existential realities of contemporary times becomes a necessary proposition especially in Nigeria. From a feminist perspective, if the dominant ideology in social institutions craves for women to be perceived as second fiddle and subservient to men in a society already experiencing Globalization, cultural diffusion and technology, then there will be suppression of the female gender, such as inheritance rights. The paper argued that, even in contemporary times, the Nigerian nation still lacks solid Social Institutions, and by means of that still struggling to adapt to new cultural conditions with dominant ideology that can help maintain powerful social, economic and political interest for both sexes. Needless to say that, in recent decades, there has been a lot of exchange of ideas and concepts, through a worldwide integration of cultures, social movements; government policies that the Nigerian nation is yet to key into. Using qualitative descriptive analysis of primary and secondary data centered on conflict theory which lays emphasis on the importance of interest over norms and values and how societies are characterized by inequality, the paper assert that, strong Social Institutions as mechanisms of social order should be encouraged to produce social needs such as family, education, healthcare, religion, and politics.