bluuebunny/crossref_metadata_2025 huggingface dataset:
Relationship between anaerobic work capacity and critical oxygenation in athletes
Authors: Vasquez Bonilla Aldo , Tomas-Carus Pablo , Brazo-Sayavera Javier , Malta João , Folgado Hugo , Olcina Guillermo
Published: February 2024

Objective: Anaerobic work capacity (AWC) is understood as the maximum power that the athlete can withstand over time, conditioned by high intensity effort and it is important to interpret it for the performance improvement. In addition, the muscle oxygen saturation (SmO2) provides information on muscle metabolism and hemodynamics. Likewise, critical oxygenation (CO) is the highest metabolic rate that results in a fully oxidative energy supply that reaches a stable state at the substrate level. The main problem is that SmO2 generally offers a traditional laboratory interpretation without application in field tests, Therefore, the purpose of this study is to provide the use of CO as an indicator of AWC performance in high intensity exercise.

Methods: Twenty-two male rugby players participated. Peak torques during an isokinetic fatigue test and muscle oxygen consumption (mVO2) and SmO2 in the vastus lateralis were measured. A correlation and multiple regression analysis were applied to find an explanatory prediction model of the AWC.

Results: A greater SmO2 amplitude and CO would mean less anaerobic work (r = -0.58 and r=-0.63) and less force production. In addition, CO along with weight (kg) can explain the AWC by 64% during high intensity exercise.

Conclusion: The measurement of critical oxygenation is associated with the AWC, so should be considered a performance factor. These parameters could be included in NIRS sensors to evaluate muscle metabolism.
Revisión bibliográfica: demodicosis canina
Authors: Jordán Bayas Katherine Paola , Avilés Esquivel Diana Fernanda , Guevara Freire Deysi , Toalombo Vargas Paula
Published: February 2024

Introducción. Se conoce como demodex al ácaro que vive en la piel de los mamíferos, pero cuando el sistema inmune se ve afectado la población del ácaro aumenta provocando demodicosis, siendo esta una patología dermatológica común, se da por la excesiva proliferación del ácaro, el sistema inmunitario de los perros juego un rol imprescindible frente al equilibrio de la población del ácaro cuando los animales están sanos y en el desarrollo de esta enfermedad cuando el animal está enfermo, lo que lleva a un estrés oxidativo. Objetivo. La presente revisión bibliográfica ayudara a conocer los datos actuales sobre generalidades del ácaro forma de propagación, aspectos clínicos, patología, diagnósticos y tratamientos actualizados para una terapia adecuada. Metodología. Esta revisión bibliográfica se hizo mediante exploración minuciosa en diferentes revistas, tesis, bases de datos como Scielo, Google Académico, Mendeley, ResearchGate, Pubmed y libros, por medio de las siguientes palabras claves “demodicosis”, “ácaro”, “demodex canis” y “parásito”. Conclusiones. La demodicosis canina es una patología parasitaria que afecta a perros de cualquier edad, aunque no es contagiosa se puede transmitir de madre a cachorros en el amamantamiento, es muy importante cuidar a las mascotas manteniéndolas sanas, para que tengan un correcto funcionamiento del sistema inmunitario. Área    de    estudio    general: Medicina Veterinaria. Área de estudio específica: Dermatología. Tipo de estudio:  Revisión Bibliográfica.
Factores relacionados con trastornos musculoesqueléticos en trabajadores de líneas de producción de la empresa Plastiazuay S.A. en Cuenca-Ecuador
Authors: Mayancela Mayancela Blanca Susana , Gárate Aguirre Juan Carlos Gárate Aguirre
Published: February 2024

Los trastornos musculoesqueléticos (TME) son la segunda causa más común de discapacidad en el medio laboral, siendo responsables del 40 %-50 % de costos por enfermedades laborales, además de las ausencias del trabajo de más de tres días y el 49 % de todas las inasistencias de más de dos semanas (Regalado et al., 2023). Objetivo: El objetivo del presente estudio está orientado a correlacionar, factores de riesgo asociados a los trastornos musculoesqueléticos en los colaboradores de la empresa Plastiazuay S.A. la estructura consta de una introducción donde se presenta el problema de salud y se identifica los antecedentes que han sido documentado por estudios anteriores que constituyen referentes teóricos. Metodología: La metodología utilizada es de tipo cuantitativo descriptivo correlacional, y decanta del constructo teórico en donde las posturas forzadas, los movimientos repetitivos, manejo manual de cargas están asociados a los trastornos musculoesqueléticos, incluye la recopilación de información a través de métodos y técnicas validadas a 75 trabajadores del área operativa de una empresa manufacturera, Plastiazuay, de la ciudad de Cuenca, los datos fueron procesados en el paquete estadístico SPSS según estadígrafos de estadística descriptiva en correspondencia con las variables de estudio.  Resultados: Se encontró que existe fuerte correlación estadística. La variable Posturas Forzadas presenta una correlación positiva de (.581*) a un nivel de significancia bilateral de 0,01 menor al p-valor de 0,05, por lo tanto, es estadísticamente significativa. Lo que expresa que a medida que aumenta el número de posturas forzadas aumenta el riesgo de afecciones musculoesqueléticos o viceversa. La variable Movimientos Repetitivos tiene una correlación positiva de 0,586** (Sig. <0,001) implica que, a mayor exposición, mayor presencia de trastornos musculoesqueléticos. La variable Manejo Manual de Cargas con un coeficiente de 0.405** (Sig. <0,001), indica que a medida que aumenta la exposición a manejo manual de cargas, incrementa la presencia de los trastornos musculoesqueléticos. Conclusión: Se comprobó que existe fuerte correlación mediante pruebas estadísticas entre las variables estudiadas, en conclusión, los programas preventivos de salud ocupacional deben estar orientados a detectar, corregir y/o mitigar la presencia de factores de riesgo con el fin de disminuir la morbilidad osteoarticular en el contexto específico de estudio. Área de estudio general:  Salud y seguridad ocupacional
Determinación de la actividad antimicótica de los aceites esenciales de eucalipto, molle y romero sobre (Fusarium sp; Pythium sp; Rhizoctonia sp), agentes causales del mal de almacigo en condiciones de laboratorio
Authors: Valle Logroño Klever Xavier , Castro Rosa , Benavides Enríquez Celso Vladimir , Basantes Vaca Carmen Viviana
Published: February 2024

Introduction: The proliferation of a large number of fungi, diseases, and pests, due to the imbalance of soil mycostasis, is due to the irrational use of pesticides, fungicides, and the use of inefficient agronomic practices, such as monoculture, traditional sowing, and deforestation. Factors that have caused serious problems in environmental balance and human health. One of the possible alternatives to regulate this imbalance is the application of extracts of plant origin to control fungi, pests, and diseases in crops. Objectives: “The objective of this research was to determine the antifungal activity and the inhibition capacity of the extraction process of the essential oils of Eucalyptus, molle and rosemary, on fungi (Fusarium sp. Pythium sp. Rhizoctonia sp. and Sclerotium sp.), causal agents of almacigo disease Damping off. Applying the Methodology: isolation, analysis of variance, Completely Randomized Design (DCA),” separation of means and 5% Tukey test, Determination of effective dose 50, Inhibition capacity, Linear regression analysis; obtaining the following. Results: “The fungi under study are slow growing, no pathogen was able to populate the surface of the Petri dish from 24 to 120 hours, the radial growth rate being presented in the following order: Pythium sp. with 32mm, Rhizoctonia sp. with 30.82 mm, Fusarium sp. with 23.42mm and finally Sclerotium sp with 19 mm. The best treatments were the distillates of Eucalyptus, Molle and Rosemary and the wastewater fraction of Rosemary, which managed to inhibit 91.46%; 93.48% and 94.26% on Fusarium Sp., Phytium Sp., Rhizoctonia sp. and Sclerotium sp. respectively. Conclusions: “The use of essential oils is efficient for pest control, so making a comparison with the Benomyl fungicide by determining the effective dose of 50%, it is advisable to use extracts and distillates to avoid causing health problems. and environmental effects. General study area: Phytopathology. Specific study area: Antifungal Activity.
Talleres metodológicos para el desarrollo de habilidades en el uso de herramientas tecnológicas para docentes
Authors: Sarango Rodríguez María Elizabeth , Guevara Vizcaíno Claudio Fernando
Published: February 2024

Introducción: Esta investigación se la hace pensada en mejorar el proceso de enseñanza-aprendizaje mediante el uso de la tecnología, siendo esta una herramienta de gran valor en la actualidad. Mediante una observación y encuesta se pudo notar el escaso uso y conocimiento de recursos tecnológicos por parte de los docentes de la Unidad Educativa Severo Espinosa, siendo este el punto de partida para motivar e incursionar a educadores a aprovechar las herramientas digitales, ofreciente al estudiantado entornos creativos y un proceso de enseñanza más eficiente e innovador. Objetivos: Por consiguiente, el objetivo se centra en capacitar a docentes de la Unidad Educativa Severo Espinoza acerca del uso y aplicación de las herramientas tecnológicas significativas para el proceso enseñanza – aprendizaje. Metodología: La investigación obedece un enfoque epistemológico mixto, no experimental de alcance descriptivo y de cohorte transversal, se recolectaron los datos a través de encuestas dirigidas a los docentes donde mediante un análisis estadístico descriptivo se establecieron lo principales hallazgos que sirvieron de base para la generación de una propuesta en torno al problema abordado. Resultados: Se evidenció que los docentes están predispuestos, por estar el día con la tecnología y que, con las diferentes aplicaciones tecnológicas despertarían la curiosidad y la motivación en los estudiantes y así se mejoraría dicho proceso de enseñanza-aprendizaje. Conclusiones: Es indispensable que se use la tecnología para el aprendizaje y la adquisición del conocimiento en cada una de las asignaturas para mejorar el proceso de enseñanza aprendizaje y es importante que los docentes enseñen las diferentes asignaturas con el apoyo de recursos didácticos tecnológicos. Área de estudio general: Educación. Área de estudio específica: Competencias tecnológicas.
Propuesta de un esquema de aprovechamiento para la producción subordinada del Pinus maestrensis Bisse caso de estudio Colón, Guisa
Authors: Rosabal Quintana Alexey , Cruz Pérez Yudemir , Vidal Corona Alberto , Virelles Espinosa Imilsi , Rosabal González Dayana
Published: February 2024

El trabajo se desarrolló en la comunidad de “Colón” perteneciente al municipio Guisa, provincia Granma, con el objetivo de Proponer un esquema de aprovechamiento para la producción subordinada del Pinus maestrensis Bisse. Que disminuirá las pérdidas de madera. Para ello se levantaron, parcelas rectangulares de (500m 2), que se distribuyeron de forma aleatoria. Fueron medidos 101 árboles de ellos fueron objeto de tala 41 árboles, a los que se les midieron los parámetros dasométricos, se determinó el volumen de madera dejada en el campo y su utilización como diferentes surtidos las perdidas por concepto de tocón y trozas dejadas en el campo alcanzan un valor de 0,124m3 /ha y 11.06 m3 /ha respectivamente, de estos solo se aprovechó el fuste quedando en el campo madera que puede ser aprovechada como cujes, bolitos de madera, postes y rolliza. Por lo que se hace necesario proyectar medidas preventivas mediante un programa o un control periódico
Estrategias de coaching para mejorar habilidades blandas en el sector productivo de la provincia de Cotopaxi
Authors: Punina Salazar Kelly Nicole , Tovar Molina Evelyn Alexandra , Romero Poveda Angelita Elizabeth , Barragán Pazmiño Bryan Marcelo
Published: February 2024

Introducción: Las exigencias del entorno laboral actual insta a las organizaciones equipar a sus colaboradores con ciertas habilidades blandas que les permita enfrentarse a nuevos escenarios, en este sentido, las organizaciones se enfrentan al reto de implementar estrategias capaces de potenciar las características propias de cada colaborador o desarrollar aquellas que resultan significativas para el funcionamiento óptimo de las mismas. Objetivos: El propósito de la presente investigación se enmarca en identificar la estrategia de coaching adecuada para el desarrollo de las habilidades blandas en el sector productivo de Cotopaxi. Metodología: Se empleó un enfoque cuantitativo, de alcance descriptivo, y, la temporalidad es de corte transversal, para lo cual, se aplicó un muestreo por conveniencia. El instrumento utilizado fue un cuestionario compuesto por 16 preguntas validadas por alfa de cronbach con 0,77, midiendo las habilidades blandas de trabajo en equipo, liderazgo, comunicación asertiva, inteligencia emocional y gestión del tiempo. Resultados: Los hallazgos de la investigación evidenciaron que dentro de las combinaciones dos a dos entre los indicadores de habilidades blandas, las tendencias encontradas susceptibles de mejora son: comunicación asertiva y gestión del tiempo, comunicación asertiva y liderazgo, comunicación asertiva e inteligencia emocional e inteligencia emocional y gestión del tiempo. Conclusiones: Se ha identificado a las estrategias de comportamiento, modelos mentales y dinámicas de grupo como propuestas adecuadas para el desarrollo de las habilidades blandas en los colaboradores del sector productivo de la provincia de Cotopaxi. Área de estudio general: Talento Humano. Área de estudio específica: Comportamiento humano.
Hydromagnetic Convective Heat Transfer in a Square Cavity Filled with Fe3O4-Water Nanofluid Saturated Porous Medium
Authors: Alam Md Shariful , Huda Md Nurul , Hossain S M Chapal
Published: February 2024

A numerical study is carried out to demonstrate the heat transmission events of  nanofluid in a square cavity saturated by aluminum foam porous medium under the effect of slanted periodic magnetic field. The cavity wall is heated from left and cooled from right while horizontal walls are supposed to be adiabatic. The Brownian motion of nanoparticle is taken into consideration in the thermal conductivity model construction. The dimensionless governing equations including Darcy-Brinkman model are solved by Galerkin-FEM. The outcomes are exposed with depictions of streamlines, isotherms and average Nusselt numbers. The numerical investigation is performed for parameters: Darcy number, Rayleigh number, Hartmann number, porosity, leaning angle of the periodic magnetic field, period number, and nanoparticle volume fraction. The heat transfer rate upsurges noticeably for the rise of nanoparticle volume fraction, period number, Darcy number and Rayleigh number but the reverse trend is found for the parameter Hartmann number as well as porosity. From the acquired numerical outcomes, the maximum rate of heat transfer is attained at δ=π/4   when λ = 1.
Jagannath University Journal of Science, Volume 10, Number II, Dec. 2023, pp. 145-158
Kreativitas Gerak Pada Ekstrakurikuler Seni Tari Bertema Kehidupan Peduli Lingkungan di Kelas IV dan V SDN 80 Lemeu Pit Kabupaten Lebong
Authors: Rapita Puja , Anggraini Dwi , Lukman Lukman
Published: February 2024

The aim of the study was to describe motion creativity in extracurricular dance art themed environmental care life in fourth and fifth grades SDN 80 Lemeu Pit Lebong District. It applied of qualitative method used taxonomic approach. The respondents were the fourth and the fifth grade students who followed extracurriculer dance art at SDN 80 Lemeu Pit Lebong District. The instruments of the researched were interview giudelines and observation guidelines. The data were collected by interviewed, observation, and documentation during the process of extracurricular dance art. The data analysis technique using the spradley model, was taxonomic analysis. The data validition test were increased persistence, triangulation, and membercheck. The result of the research showed that the process of creativity in created motion in extracurricular dance art arised through the exploration, improvisation, evaluation, and formation phase. Conclusion of the research was the students could be creatived in created dance motion themed environmental care life.
Gender of the Abrahamic God: A Psychoanalytical Perspective.
Authors: Aslanov Heydar
Published: February 2024

Recent developments in the determination of natural grounds for nonbinary gender identities unavoidably lead to related religious fundamentals. In pagan, traditional paternalistic religion systems, the binarity of actors and objects is presumed by default. The same is true for Christianity, where the paternity of God is unequivocally postulated. Freud explains the emergence of the idea of God by the atonement of guilt for the "primary crime"—hypothetical murder of the forefather of primitive horde by his sons. In that concept of God, the "law of the father" is objectified for all traditionalist religious experiences of mankind. However, upon closer examination, the Old Testament concept of monotheism does not fit into the Freudian scheme since it opposes the very tradition by default. The radical opposition to pagan systems lies not so much in the singularity of Elohim but in his transcendent and therefore nonbinary nature. However, psychoanalysis presupposes only two primary mental instances—the instances of the Mother and the Father. There are no and cannot be any gender-neutral, nonbinary images, except as a product of the repressed incestuous desire. The gender neutrality of the Abrahamic God, expressed in his transcendence, has no other grounds than in the repression of the incestuous urges of the infante. Psychoanalytical review of the Fall defines God as the dominant Mother, who prevents the initiation and socialization of Adam-infant, while the instance of the initiating Father is represented by Tempter Serpent. We are dealing with the objectification of the mother's desire as a way of justifying the Subject's infantile narcissism.
INFORMATION TERRORISM AND ITS PREVENTION IN THE GLOBAL POLITICAL ENVIRONMENT IN THE 21ST CENTURY
Authors: VNUCHKO SVITLANA , TEREMKO VIKTOR , POLOVKO OLENA , STYCHYNSKA ANNA
Published: February 2024

The manifestations of information terrorism can be realized concerning the subjects of the global political sphere. Preventing and countering its consequences is a difficult task, primarily due to the multiple directions of modern threats, as well as the complexity of selecting and implementing measures to be taken to counter such manifestations of information danger. The study aims to analyze the trends in the development of measures to counter information terrorist attacks that have been and are being carried out against the targets of the global political sphere in the XXI century. The research was carried out using the methods of sequential analysis of the peculiarities of development and systemic description of information terrorism. In addition, the article provides a comparative assessment of related concepts. The descriptive method, comparison, analysis and synthesis of information were used to assess the content, methods of counteraction, principles and measures to counter information threats. According to the research results, the key features of countering information terrorism today include the formation and improvement of the regulatory framework based on global cooperation, openness, transparency, increased responsibility and proactive state policy to counter information terrorist attacks.
METAMORPHOSES OF PERSONALITY IN THE INFORMATION SOCIETY: EDUCATION, CULTURE, IDENTITY
Authors: BABINA SVITLANA , KRAVCHENKO ALLA , KRASILNIKOVA OLENA , KROKHMAL NATALIIA , HORPYNYCH OLHA
Published: February 2024

The relevance of the topic is determined by the rapid development of digital technologies and their impact on all spheres of human life. The current reality requires analysis and understanding of how these technologies change the perception of education, the formation of cultural environment and identity. The purpose of the research is to systematically study and analyze in depth the interaction of the information society with the spheres of education, culture and identity. The primary objective is to thoroughly identify and disclose the complex interrelationships arising from this interaction, in particular, the impact of information technologies on educational practices, the formation of cultural space, and the transformation of the individual. In addition, the research aims to reveal not only changes in the field of personal development under the influence of the information society but also to identify positive or negative trends that may arise as a result of these processes. The object of the research is the dynamics of transformations in the spheres of education, culture and identity arising in connection with the development of the information society. The obtained results of the research are of great practical importance for adapting to the challenges of the information society. It has been determined that educators and students need to establish digital capabilities since this can provide the basis for creative teaching methods. The key factors of cultural transformation are identified in the aspect of culture, which creates the basis for strategies aimed at preserving cultural heritage and developing new forms of cultural interaction. The impact of the information society on the development of personal identity is examined in terms of identity, and this research might provide a foundation for psychological support initiatives in the digital sphere.
Evaluation of Breast, Lymph Node, and Thyroid Fine Needle Aspiration Cytology by Liquid Based Smears and Conventional Smears
Authors: Reddy Rajesh , Prabhala Shailaja , Somalwar Shrinivas B , Deshpande Ashok Kumar
Published: February 2024

Introduction: Fine needle aspiration cytology (FNAC) is a first-line investigation for palpable lumps and is a highly cost-effective and accurate investigative technique. It is a safe, simple, rapid, minimally invasive technique. Liquid-based cytology (LBC) has been used in gynecologic-cytology for over three decades. Many laboratories have adopted LBC technique for exfoliative and FNA samples. We undertook the present study to compare the advantages and disadvantages of conventional and liquid based cytology preparations.

Aim of the study: To evaluate the diagnostic accuracy of LBC and Conventional smears in fine needle aspiration cytology samples from breast, lymph nodes, and thyroid tissue.

Materials and methods: FNA material from accessible sites such as palpable breast lumps, thyroid, and lymph nodes were collected from 100 patients and was processed by two different methods, i.e., Conventional smears and by LBC. Various parameters on the slides were considered and compared for both the preparations. Out of 100 FNA samples, 51% were of Thyroid, 34% were of lymph node and 15% were of breast lumps.

Observations and results: Adequate cellularity and better architecture was present in conventional smears than LBC preparations. Background material was less, and monolayers were better in the LBC preparations. Informative background material (i.e. Colloid, lymphoglandular bodies, etc) was more in cases of Conventional smears. The nuclear and cytoplasmic details were nearly equally good in both the preparations.

Conclusion: Both these methods have their own advantages and disadvantages. Before incorporating LBC as a routine method, pathologists should familiarize themselves with all the aspects of LBC.
ENHANCING THE COMPETITIVENESS OF DOMESTIC WORKFORCE THROUGH SKILL TRAINING AT THE PROVINCIAL OFFICE OF LABOR AND TRANSNATIONAL MIGRATION, RIAU
Authors: Suharman Fachrul Sidiq
Published: February 2024

Penelitian di latarbelakangi oleh permasalahan masih banyaknya pengangguran terdidik yang ada di Provinsi Riau yang berhubungan dengan MEA dalam peluang bursa kerja internasional. Tujuan dari Penelitian ini adalah untuk mengetahui bagaimana peran Dinas Tenaga Kerja dan Transmigrasi Provinsi Riau dalam meningkatkan daya saing tenaga kerja domestik yang ada di Provinsi Riau. Penelitian ini menggunakan metode kualitatif dengan pendekatan deskiptif terhadap Program Pelatihan Keterampilan menurut Daya Saing oleh Praitiwi dan Mahmudah dalam Ibnu Khaldun, 2020. Teknik Pengumpulan data pada Penelitian ini dilaksanakan dengan Wawancara dengan 10 orang informan, Observasi, dan Dokumentasi. Program Pelatihan Keterampilan yang dilaksanakan oleh Disnakertrans Provinsi Riau telah diselenggarakan sesuai dengan aturan Pemerintah Provinsi Riau, namun terdapat beberapa hambatan internal seperti kurang nya sumber daya serta sarana dan prasarana lalu hambatan eksternal seperti kurang nya pemahaman masyarakat terhadap Program Pelatihan Keterampilan. Program Pelatihan Keterampilan telah dilaksanakan dengan baik hal ini dikarenakan jumlah pengangguran yang menurun dari tahun 2021 ke tahun 2022, namun jumlah pengangguran yang ada masih banyak dan perlu adanya peningkatan kompetensi tenaga kerja untuk meningkatkan daya saing nya. Sehingga untuk mencapai visi tersebut Disnaker juga melakukan upaya – upaya yang telah dilaksanakan.
Minimizing the impact of Randomness to the Strength Rating Revision in Chess
Authors: Maltezos Stavros
Published: February 2024

The Elo rating system is used since 1970 in chess by which the players can be evaluated based on their formal games. This system is based on the win or loss probabilities described by a well fitted logistic curve. In this context, the mathematical expression of strength rating revise of a player, uses a constant development coefficient, the so called K-factor, having individual values depending on the strength level player's category. In the present work, a fairest update of the strength rating revise is introduced, aiming to minimize the impact of the randomness. A variable development factor included ties in the games is used, based on the fact that large uncertainty, arising from randomness, is present mainly in evenly strength rating players and decreases gradually for greater strength rating differences. The function used for realizing the variable strength rating revise is based on the notion of information entropy. We consider that the update can boost faster the rising or talented chess players against others whose the rating increase perhaps due mainly to randomness around the pre-rating equivalence region.
A importância da governança corporativa para a gestão financeira das organizações empresariais
Authors: Gonçalves Heider Jeferson
Published: February 2024

Atualmente as empresas precisam de diversas ferramentas empresariais para poder alavancar seus negócios, o que é possível somente através de análises bem aprofundadas, e principalmente análises e ferramentas financeiras, pois a gestão financeira é essencial para a saúde e prosperidade organizacional. Lembrando que as questões financeiras dentro de uma empresa é algo muito importante e decisivo para o sucesso empresarial que influencia diretamente na geração de valor da empresa. Nesse sentido, é necessário que o tomador de decisão priorize as decisões adequadas a cada questão dentro empresa, para que assim, possa obter os melhores resultados e ter sucesso e prosperidade financeira. Por isso, os gestores precisam ir além, e aplicar a Governança Corporativa dentro do processo evolutivo da empresa. É nesse contexto que o presente trabalho traz um estudo sobre a importância da Governança Corporativa na gestão financeira das empresas, tendo este como seu objetivo geral, e como objetivos específicos, entender as finanças empresariais e corporativas, o que é a Governança Corporativa e sua importância para as organizações, em que estes serão objetos de estudos na proposta deste trabalho.
Revisiting the CCIs-tourism nexus: insights from Smart Specialisation Strategies
Authors: Marasco Alessandra , Lazzeri Giulia , Tartari Maria , Uboldi Sara , Sacco Pier Luigi
Published: February 2024

In recent years, increasing attention has been paid to the importance of interrelationships between cultural and creative industries (CCIs) and tourism for cross-industry innovation and sustainable local development. The purpose of this study is to deepen the understanding of the role and relevance of the CCIs-tourism nexus for innovation-driven socio-economic transformation of territories through regional policy design and implementation in Smart Specialisation Strategies (RIS3). To this end, a thematic analysis has been conducted to explore the links between CCIs and tourism in RIS3 prioritization choices and whether and how it has been revisited from the previous programming period (2014–2020) to the current updates of strategies (2021–2027). The findings provide insights into the focus and evolution of this nexus to address the role of CCIs in enabling innovation-led regional development for the triple transition.
Recent findings on drug hypersensitivity in children
Authors: Felix Mara Morelo Rocha , Kuschnir Fábio Chigres , Boechat José Laerte , Castells Mariana
Published: February 2024

Drug hypersensitivity reactions (DHR) in children have a significant impact on clinical practice and public health. Both under-diagnosis (due to under-reporting) and over-diagnosis (due to the overuse of the term “allergy”) are potential issues. The aim of this narrative review is to describe the most recent findings of DHR in children/adolescents and gaps regarding epidemiology, antibiotic allergy, antiepileptic hypersensitivity, vaccine allergy, and severe cutaneous adverse reactions (SCAR) in this age group.
Analysis of Ca2+-mediated sperm motility to evaluate the functional normality of the sperm-specific Ca2+ channel, CatSper
Authors: Hwang Jae Yeon
Published: February 2024

Ca2+ is a key secondary messenger that modulates sperm motility by tuning flagellar movement in various species. The sperm-specific Ca2+ channel, CatSper, is a primary Ca2+ gate that is essential for male fertility in mammals. CatSper-mediated Ca2+ signaling enables sperm to develop hyperactivated motility and fertilize the eggs in the female tract. Therefore, altered CatSper function compromises the entry of Ca2+ into the sperm, followed by impairing hyperactivation and male fertility. However, methods to evaluate the function of the CatSper channel are limited to patch clamping and functional imaging using Ca2+ dye. Previous studies have revealed that various parameters for sperm motility are highly correlated with intracellular Ca2+ levels in mouse. Here, I cover a step-by-step protocol to analyze the change in Ca2+-mediated sperm motility by using computer-assisted semen analysis (CASA) to evaluate the functional normality of the CatSper channel in sperm. This approach analyzes sperm motility parameters during intracellular Ca2+ chelation followed by in vitro capacitation to recover intracellular Ca2+ via the activated CatSper channel. Thus, this Ca2+-handling method is handy and could be broadly applied in reproductive biology labs and clinics that have CASA equipment to examine the functional normality of the CatSper channel.
On the role of TFEC in reptilian coloration
Authors: Tzika Athanasia C.
Published: February 2024

Reptilian species, particularly snakes and lizards, are emerging models of animal coloration. Here, I focus on the role of the TFEC transcription factor in snake and lizard coloration based on a study on wild-type and piebald ball pythons. Genomic mapping previously identified a TFEC mutation linked to the piebald ball python phenotype. The association of TFEC with skin coloration was further supported by gene-editing experiments in the brown anole lizard. However, novel histological analyses presented here reveal discrepancies between the ball python and the anole TFEC mutants phenotype, cautioning against broad generalizations. Indeed, both wild-type and piebald ball pythons completely lack iridophores, whereas the TFEC anole lizard mutants lose their iridophores compared to the wild-type anole. Based on these findings, I discuss the potential role of the MiT/TFE family in skin pigmentation across vertebrate lineages and advocate the need for developmental analyses and additional gene-editing experiments to explore the reptilian coloration diversity.
Blue carbon, red states, and Paris Agreement Article 6
Authors: Orford Adam D.
Published: February 2024

Coastal U.S. states, including many that have opposed proactive U.S. climate policies, are contemplating entrance into the supply side of the international carbon credit markets by, among other things, hosting revenue-generating blue carbon projects on their submerged lands. The voluntary carbon credit markets already facilitate private investment in such activities, and the emerging Paris Agreement Article 6 framework is poised to generate investment interest at the national level as well. Reviewing these trends, this Perspective questions whether this is good climate, environmental, and social policy, and advises further oversight and accountability.
Performance analysis of a hybrid optical amplifier based 480-Gbps DWDM-FSO system under the effect of different atmospheric conditions
Authors: Obaid Hafiz Muhammad , Ashraf Shahzad , Asgher Nadeem Muhammad , Shahid Hifsa , Akram Adeel , Zafrullah Muhammad
Published: February 2024

Free space optical (FSO) systems offer a desirable and affordable way of providing communication services in remote locations. They provide secure wireless transmission without the requirement for licensing and with lower implementation costs. However, due to the impact of atmospheric turbulences on the effectiveness of FSO systems, their implementation faces significant challenges. Dense wavelength division multiplexing (DWDM) has shown promise in addressing the growing bandwidth needs in optical networks. This paper introduces a hybrid optical amplifier based system, combining DWDM and FSO technology. Energy conservation in such a system involves optimizing various aspects to reduce power consumption while maintaining or improving performance. The proposed DWDM-FSO system operates at a rate of 480 Gbps and consists of 12 channels, each capable of transmitting data at 40 Gbps. The system's performance is evaluated and compared by determining the Q-factor and bit error rate (BER) for both the cases when hybrid amplifier is employed and with no hybrid amplifier within the C-band, specifically focusing on wavelengths around 1550 nm. Moreover, the length of the FSO link is increased to assess the corresponding Q-factor and BER. Resultantly, the maximum distance for the FSO link is determined, ensuring that it remains within acceptable Q-factor and BER thresholds. Furthermore, the FSO system's effectiveness is assessed and compared across various atmospheric conditions. The findings reveal that, in clear weather conditions, the FSO system achieves a maximum distance of 510 meters while maintaining satisfactory Q-factor and BER values when not utilizing a hybrid amplifier. However, by integrating a hybrid amplifier, the system's reach significantly extends to 1700 m under clear weather conditions, still maintaining acceptable Q-factor and BER values.
Left ventricular ejection fraction: clinical, pathophysiological, and technical limitations
Authors: Vancheri Federico , Longo Giovanni , Henein Michael Y.
Published: February 2024

Risk stratification of cardiovascular death and treatment strategies in patients with heart failure (HF), the optimal timing for valve replacement, and the selection of patients for implantable cardioverter defibrillators are based on an echocardiographic calculation of left ventricular ejection fraction (LVEF) in most guidelines. As a marker of systolic function, LVEF has important limitations being affected by loading conditions and cavity geometry, as well as image quality, thus impacting inter- and intra-observer measurement variability. LVEF is a product of shortening of the three components of myocardial fibres: longitudinal, circumferential, and oblique. It is therefore a marker of global ejection performance based on cavity volume changes, rather than directly reflecting myocardial contractile function, hence may be normal even when myofibril's systolic function is impaired. Sub-endocardial longitudinal fibers are the most sensitive layers to ischemia, so when dysfunctional, the circumferential fibers may compensate for it and maintain the overall LVEF. Likewise, in patients with HF, LVEF is used to stratify subgroups, an approach that has prognostic implications but without a direct relationship. HF is a dynamic disease that may worsen or improve over time according to the underlying pathology. Such dynamicity impacts LVEF and its use to guide treatment. The same applies to changes in LVEF following interventional procedures. In this review, we analyze the clinical, pathophysiological, and technical limitations of LVEF across a wide range of cardiovascular pathologies.
Cross-scenario capacity estimation for lithium-ion batteries via knowledge query domain mixing-up network
Authors: Li Zhicheng , Chen Jinyu , Gao Tongtong , Zhang Weijun , Chen Dawei , Gu Yi
Published: February 2024

Introduction: Deep learning has demonstrated exceptional prowess in estimating battery capacity. However, its effectiveness is often compromised by performance degradation under a consequence of varying operational conditions and diverse charging/discharging protocols.

Methods: To tackle this issue, we introduce the Knowledge Query Domain Mixing-up Network (KQDMN), a domain adaptation-based solution adept at leveraging both domain-specific and invariant knowledge. This innovation enriches the informational content of domain features by segregating the functions of feature extraction and domain alignment, enhancing the efficacy of KQDMN in utilizing diverse knowledge types. Moreover, to identify time-deteriorating features in battery time series data, we employ convolutional operations. These operations are pivotal in extracting multi-scale features from the battery's characteristic curves. Inspired by the Transformer model, we have developed a set of knowledge queries that integrate these multi-scale features seamlessly, thereby enabling extensive global feature extraction. To ensure the retention of domain-specific information, we have instituted two independent feature extraction pathways. Pursuing domain-invariant knowledge, this study introduces cross-attention as a mechanism to connect two domain spaces, effectively diminishing the disparity between source and target distributions.

Results and Discussion: This approach is crucial for accurately estimating capacity in batteries with diverse performance characteristics. The practicality and robustness of the proposed method are validated using the MIT battery aging dataset, yielding highly satisfactory outcomes. The Mean Absolute Error (MAE), Root Mean Square Error (RMSE), and Coefficient of Determination (R2) for our capacity estimation process are 0.19%, 0.23%, and 0.997, respectively, highlighting the precision and reliability of our approach.
How does the space of production wells influence the heat extraction efficiency?–defined by a 3D modeling work in enhanced geothermal system (EGS)
Authors: Wang Ziwei , Zhang Bo , Zhu Xiaoyi , Yang Liming , Fan Yifan , Yin Hongmei , Zhao Peng , Liu Jun
Published: February 2024

The space of production well plays a crucial role in the heat extraction performance of the Enhanced Geothermal System (EGS), which have the potential to meet the growing global energy demand as a reliable energy source. Nonetheless, there has been insufficient research and attention focused on comprehending the impact of the space of production well on the efficiency and effectiveness of EGS. In this work, a series of numerical simulations were conducted to assess the impact of the space of production well on heat extraction efficiency in EGS. Three different cases were considered: Case 50 with 50 m production well spacing, Case 100 with 100 m production well spacing, and Case 150 with 150 m production well spacing. At the X-Y plane and Y-Z plane, the simulation results indicated that there were slight differences in temperature variation among the Case 50, Case 100 and Case 150. And the cooling area decreasing as the spacing of production wells decreased. Moreover, the delivery of cooling water via the injection well and its subsequent distribution to various reference points lead to a decline in temperature at each point, albeit with varying degrees of variation. Besides, the established efficiency (ef) for Case 50 is smaller than the Case 100 and Case 150 during the last 15 years. These findings contribute valuable insights to the exploration and exploitation of EGS systems and can serve as a guide for further research in this field.
Ecological environment quality assessment and spatial autocorrelation of northern Shaanxi mining area in China based-on improved remote sensing ecological index
Authors: Zhu Zhanrong , Cao Husheng , Yang Juncheng , Shang Hui , Ma Jianquan
Published: February 2024

The northern Shaanxi coal mining area is an important coal production base in China and an ecologically fragile area, and it is of great significance to explore the ecological environment quality and spatial evolution trend of the mining area. Based on Sentinel-2 and MODIS image data, an improved remote sensing ecological index was constructed by principal component analysis method: normalized difference vegetation index, normalized difference water index, normalized differential buildup and bare soil index, and net primary productivity. The ecological environment quality of the northern Shaanxi coal mining area and its influencing factors, as well as the spatial autocorrelation analysis of ecological environment quality, were discussed. The results showed that: 1) The vegetation coverage in the study area showed an overall increasing trend, but it was greatly affected by the average annual temperature. The NDVI index at the mine area is higher than the NDVI index at the non-mine area. 2) The water area gradually decreases with the year, which has a certain negative correlation with the total raw coal production. 3) The NDBB index showed a decreasing trend with the year, and compared with the non-mining area. 4) The coupling of year-by-year precipitation and temperature leads to interannual fluctuation of NPP value. 5) The change of ecological environment quality in the study area is the result of the comprehensive effect of natural factors and human factors. The implementation of ecological protection projects such as geological environmental protection and land reclamation in mining areas also has a certain impact on the trend of ecological environment quality. 6) There was a significant spatial autocorrelation in the quality of the ecological environment in the study area. There are significant “High-High” gathering areas of ecological environment quality within the coal mining area.
Flow of mangrove ecosystem services to coastal communities in the Brazilian Amazon
Authors: Owuor Margaret , Santos Thuareag M. T. , Otieno Philip , Mazzuco Ana Carolina A. , Iheaturu Chima , Bernardino Angelo F.
Published: February 2024

Mangrove forests are broadly recognized to support a variety of ecosystem services on coastal margins worldwide. These services may significantly contribute to the wellbeing of millions of people, but there is limited information about their importance in the Global South. This study mapped for the first time the flow of ecosystem services in Brazilian Amazon mangroves, which represent over 700,000 ha of mangroves in the country. We also identified the spatial changes in the flow of services across coastal landscapes, including urban, agricultural upland areas and coastal natural protected areas. Our matrix model indicated that mangroves, waterbodies, sandflats and mudflats are critical to the flow of multiple ecosystem services, including provisioning (fish, mariculture), cultural (historical and intrinsic value, research, and education), and regulation (climate, flood control, nursery, and breeding grounds). Social economic context, occupation, education, and residence time are important factors influencing villagers to identify the flow of ecosystem services, which could be compared across other coastal marine reserves in South America that have similar management of natural resources. Adjacent coastal upland habitats such as forests and croplands are important to support many provisioning ecosystem services to coastal villagers that would otherwise be obtained from mangroves, suggesting that protecting these connected habitats and supporting small-scale agriculture may help to avoid deforestation of mangrove forests. As over 80% of the mangroves in the country are managed as extractive reserves and may support communities with comparable socio-economic characteristics, we provide a foundation for the development and replication of ecosystem services assessments in Brazilian mangroves, which cover an area of over 1 million hectares. Our work highlights the importance of mangrove forests in providing food, and cultural services and to increase local climate resilience of coastal villages in the Amazon coast.
The maternal U1 haplogroup in the Koraga tribe as a correlate of their North Dravidian linguistic affinity
Authors: Sequeira Jaison Jeevan , Vinuthalakshmi Kadengodlu , Das Ranajit , van Driem George , Mustak Mohammed S.
Published: February 2024

Introduction: The Koraga tribe are an isolated endogamous tribal group found in the southwest coastal region of India. The Koraga language shares inherited grammatical features with North Dravidian languages. To seek a possible genetic basis for this exceptionality and understand the maternal lineage pattern, we have aimed to reconstruct the inter-population and intra-population relationships of the Koraga tribal population by using mtDNA markers for the hypervariable regions along with a partial coding region sequence analysis.

Methods and Results: Amongst the 96 individuals studied, we observe 11 haplogroups, of which a few are shared and others are unique to the clans Soppu, Oṇṭi and Kuṇṭu. In addition to several deep rooted Indian-specific lineages of macrohaplogroups M and U, we observe a high frequency of the U1 lineage (∼38%), unique to the Koraga. A Bayesian analysis of the U1 clade shows that the Koraga tribe share their maternal lineage with ancestral populations of the Caucasus at the cusp of the Last Glacial Maximum.

Discussion: Our study suggests that the U1 lineage found in the Indian subcontinent represents a remnant of a post-glacial dispersal. The presence of West Asian U1 when viewed along with historical linguistics leads us to hypothesise that Koraga represents a mother tongue retained by a vanquished population group that fled southward at the demise of the Indus civilisation as opposed to a father tongue, associated with a particular paternal lineage.