bluuebunny/crossref_metadata_2025 huggingface dataset:
AFASTAMENTO E ADOECIMENTO DOCENTE NA UNIVERSIDADE
Authors: Dias Alcione Ribeiro , Queiroz Vanderlei Braulino , Facci Marilda Gonçalves Dias , Urt Sônia da Cunha
Published: June 2024

O objetivo deste artigo é fazer uma discussão sobre o adoecimento docente no Ensino Superior, a partir de dados de afastamentos do trabalho. O adoecimento expresso na dimensão individual se particulariza nos dados da Universidade – espaço de contradições que problematizam um cotidiano desumanizado e aponta para um processo social, universal, do adoecimento. Metodologicamente foram apresentados dados de 2005 a 2019 referentes ao afastamento dos(as) professores(as) de uma universidade pública, indicando que o sentido da prática docente vem sendo permeado pelo processo de alienação e que as formas de resistência ao adoecimento têm sido passivas. Como instrumento de coleta de dados foram utilizados os relatórios de afastamento que registram as licenças médicas dos docentes da Universidade e o conteúdo de entrevistas de pesquisa realizadas pelos autores. O olhar parte da abordagem da Psicologia Histórico-cultural, no diálogo de seus principais representantes com teóricos da educação. Como resultado, aponta-se a necessidade de se contrapor ao obscurantismo que permeia a sociedade, não sucumbindo ao ideário neoliberal, que insiste em defender que nada pode mudar, que naturaliza o adoecimento, os afastamentos e as licenças médicas.Entendemos que o adoecimento é resultante de um processo histórico complexo, que compreende o âmbito subjetivo, as especificidades da atividade laboral, o contexto político, social e institucional. Assim o enfrentamento tem que ser coletivo, em direção a proposição de melhores condições de trabalho.
PEDAGOGIA SOCIAL ESPANHOLA E EDUCAÇÃO SOCIAL BRASILEIRA:
Authors: Ferreira Arthur Vianna , Sirino Marcio Bernardino
Published: June 2024

O presente artigo, de fundamentação teórica sobre Pedagogia Social, tem como objetivo refletir sobre as possíveis contribuições da organização do campo do saber da Pedagogia Social Espanhola para as práticas de Educação Social no Brasil. Esse artigo é um recorte de uma pesquisa, sistemática e contínua, sobre as práticas educativas não escolares realizadas pelo Grupo de Estudos, Pesquisas e Extensão Fora da Sala de Aula, da Universidade do Estado do Rio de Janeiro (UERJ) desde 2016. A partir das reflexões de autores de língua espanhola, como Mendizábal (2017), Serrano, Llamas; Fernández-García (2014), Krichesky (2011), Esteban (2005) e Esteban, Gómez & Martínez (2013), o trabalho define o campo do saber da Pedagogia Social, a organização da Pedagogia Social na Espanha, as referências utilizadas por esse campo de saber para dar forma a suas práticas ao longo do tempo-espaço histórico e as possíveis relações – encontros e desencontros – com algumas práticas e realidades existentes no contexto da Educação Social brasileira. Dessa forma, podemos inferir que o exercício reflexivo sobre as práticas educativas sociais em outras realidades, como a espanhola, se faz relevante para que possamos construir o nosso próprio caminho reflexivo sobre as nossas práticas educativas não escolares potencializando, assim, um campo teórico importante para que possamos pensar novas práticas educativas e atitudes diante dos desafios socioeducativos em nosso próprio país.
OS EDITAIS DO PIBID E A PRODUÇÃO DE SUBJETIVIDADES SUPERVISORAS NA FORMAÇÃO DOCENTE
Authors: Palma-Santos Magno Clery , Maknamara Marlécio
Published: June 2024

O texto tem como objetivo conhecer os discursos que o PIBID produz, para materializar os significados que este programa institui para a docência, pelos quais supervisores/as são formados. A produçãofoucaultiana de sujeitos inspirou a análise dos documentos que visa responder quais são os discursos que o PIBID produz, para divulgar o que pensa acerca da docência e que tornou possível a sua continuidade. Como uma forma de produção de subjetividades, a análise demonstrou uma reconfiguração de práticas discursivas na formação de professores(as), colocando em movimento, discursos da qualidade, da inovação, da experimentação em uma política de formação neoliberal. A análise considerou o programa como uma estratégia pedagógica de governo, que trabalha selecionando discursos potencializadores à produção e ao controle de sujeitos, e para a melhoria da qualidade e valorização da formação docente.
A ESTIMULAÇÃO PRECOCE NO ATENDIMENTO DA CRIANÇA PÚBLICO-ALVO DA EDUCAÇÃO ESPECIAL
Authors: Camizão Amanda Costa , Conde Patricia Santos , Victor Sonia Lopes
Published: June 2024

A pesquisa de que provém o artigo visa conhecer as práticas desenvolvidas pelos professores de educação especial, a partir do conceito de estimulação precoce no contexto da educação infantil, com fundamento na psicologia histórico-cultural e na abordagem histórico-crítica. Trata-se de um trabalho de natureza qualitativa do tipo estudo de caso. Para produção dos dados, utilizaram-se entrevistas semiestruturadas com os professores de educação especial e registro de diário de campo. Os sujeitos do estudo foram professores de educação especial que atuam no AEE na educação infantil. Com as pesquisas a respeito da estimulação precoce, compreende-se que historicamente ela se caracteriza a partir da resolução de problemas do desenvolvimento infantil, tendo em vista uma perspectiva reabilitativa com foco na deficiência da criança. Os dados produzidos indicam que os professores tendem a considerar a estimulação precoce como uma prática do trabalho docente e acabam deixando de destacar outras atribuições que caracterizam sua ação. Desse modo, quando a função “ensinar” for assumida pelo professor de forma plena, acima de outras atividades e demandas, o foco incidirá mais nas crianças e em suas possibilidades, favorecendo o seu desenvolvimento global e sobretudo o processo de inclusão.
Recensión: La contribución de la Organización de Estados Americanos (OEA) a la seguridad hemisférica
Authors: Ortiz Eimys
Published: June 2024

The book that is the subject of this review, authored by Dr. Elena Díaz Galán, Professor of International Public Law at the Universidad Rey Juan Carlos de Madrid, is a systematic analysis of a multifaceted issue, namely hemispheric cooperation in the field of security, paying special attention to the contribution of the OAS. We find ourselves, therefore, as Dr. Pedro Vilanova Trías subscribes in the Foreword, before a reference monograph that examines in depth the interconnection between the importance of relations between states and international organisations as an expression of the so-called trends towards order in the international system (p. 14).
Conflicto en Ucrania. Cuando la estrategia híbrida no funciona
Authors: Martínez José M.
Published: June 2024

In 2014 the Russian armed forces successfully invaded the Crimean peninsula without firing hardly a single shot. The allegedly same armed forces invaded Ukraine in February 2022 with a significantly different result. The poor operational effectiveness displayed by these armed forces leads to many questions about which have been the causes of this failure. This article aims to get into this analysis, specifically in the year 2022, for being that year the center of our interest, while delving into the little-revealed role played by the Russian air force.
El final de la Pax americana. La evolución del sistema internacional. Los nuevos equilibrios
Authors: Alija Adela
Published: June 2024

In this article, we start from the idea that we are not yet facing a redefinition of the world order created after the Second World War and the Cold War. Now, we find ourselves facing a profound questioning of the system and shifts in the balance of power that seem to show us the end of an era. The world order (or disorder) of the 21st century in which we find ourselves is marked by elements that introduce uncertainty and insecurity. Economic recession, pandemic, war, various crisis, slowdown of globalization (or perhaps deglobalization) … make a complex and disordered world. Above all these elements mentioned, the war in Ukraine represents a decisive moment for the construction of a new world order. The concept of Pax Americana is debatable and has been discussed widely, as we will discuss in our article. If we consider the term from the perspective of the supremacy of the United States in the international system, there is no doubt that the world order of the 20th century has been marked by American power, the end of the pax Americana would give rise to a new world order. The international liberal order would have ended and a new “post-Western” order would be being built. But what kind of order? The replacement of the pax Americana and, therefore, of the Western liberal order, is still imprecise. In conclusion, the objectives of our article are: to analyze the evolution of the concept of Pax Americana, understood as a symbol of the hegemony of the United States and the West in the world, to analyze the crisis context of said hegemony and, finally, to analyze the different paths of change in the international system, based on the fact that it is in a phase of transition and transformation that is still uncertain.
Retrospectiva, incógnitas y conjeturas: imaginando la OTAN tras la guerra de Ucrania
Authors: López Carlos
Published: June 2024

After the end of the Cold War, NATO went through a deep transformation regarding its composition, goals, actions and geographical reach. The Russian invasion of Ukraine in the past two years has made NATO focus again on its traditional functions: deterrence and defense of its members. The article examines the variables and factors on which the future role of NATO will depend.
Mini-Review on Electro-coagulation for Wastewater Treatment
Authors: Cho Kyu Taek
Published: June 2024

The electro-coagulation (EC) system has been investigated as a promising solution for wastewater treatment. Due to its excellent benefits such as environmentally friendly effects and cost-effective operation, it has garnered significant interest recently, resulting in the publication of hundreds of research articles. These articles delve not only into fundamental studies based on mathematical modeling and experiments but also into its applications. This study reviews the EC system for its fundamental working principles and key features, recent advancements, and its status towards industrial applications. Additionally, it explores how EC treatment can be applied to various types of pollutants, both organic and inorganic. System integration of EC with other treatment subsystems is a promising method to complement EC function, leading to a much more efficient method for industrial application. This mini-review will provide key information on the EC system and the status of research, development, and application of EC systems.
Évaluation des facteurs d’influence des performances de reproduction après synchronisation des chaleurs et insémination artificielle des bovins au Cameroun
Authors: Kouamo Justin , Nga’omgba Fouda Julie Sabine , Teitsa Zangue Camille
Published: June 2024

L’étude a été réalisée dans la région de l’Adamaoua (département de la Vina) au Cameroun, dans le but d’évaluer l’effet des divers facteurs potentiels sur la fertilité et la fécondité des bovins après synchronisation des chaleurs et l’insémination artificielle d’avril 2019 à juin 2022. Il en ressort que 943 femelles (181 génisses et 762 vaches) ont été inséminées durant cette période avec un indice de fertilité apparent moyen de 2,3 pour des pourcentages globaux de gestation, d’avortement, et de gémellité de 49,5 % ; 8,3 % et 6,7 %, respectivement. L’intervalle moyen vêlage-insémination fécondante était de 245,2 jours. Ces paramètres de reproduction variaient significativement selon la race de la vache inséminée et le type de protocole de synchronisation des chaleurs (p = 0,0005). Les pourcentages de gestation étaient plus élevés chez les Bos taurus de races Holstein et Montbéliarde (60,8 %) et croisées F1 Bos indicus × Bos taurus (57,6 %) comparés aux Bos indicus de race Goudali (41,1 % ; p = 0,0005), respectivement. Trois groupes thérapeutiques ont été utilisés pour la synchronisation des chaleurs : le premier associant la GnRH et la prostaglandine F2α (CoSynch), une double injection de PGF2α à 11 jours d’intervalle et une injection unique de PGF2α (n = 140 ; 14,8 %) ; le deuxième suivant le protocole CoSynch + progestérone (n = 433 ; 46 %) et le troisième associant la progestérone et l’eCG (equine Chorionic Gonadotropin) (n = 370 ; 39,2 %). Les femelles en stabulation libre, âgées de 4 ans au plus, avec une note d’état corporel supérieure à 3 et une période d’attente comprise entre 120 jours et 365 jours ont obtenu une meilleure fertilité (p < 0,05). La saison, la semence du taureau utilisée et le type de femelles (génisse ou vache) n’auraient aucune influence sur la survenue de la gestation et le vêlage (p > 0,05) contrairement à la technicité de l’inséminateur (p < 0,05).
PEKALONGAN MSMEs PREPARE PRODUCTS TO PENETRATE THE HALAL MARKET AND ECOSYSTEM
Authors: Mardhiyah Dien , Widiastuti Tika , Mawardi Imron , Hartini Sri , Rosidi Dinda Oktaviona , Zain Nur Habiba , Apriwiliza Gita
Published: June 2024

The low marketing literacy of MSMEs in Kaliombo Village, Pekalongan Regency, has resulted in low marketing activities such as packaging, product branding, and digital marketing. Apart from that, the literacy of MSME actors in the Village regarding halal products is still low, so they require readiness for the marketed products to comply with Government Regulations regarding Halal Product Guarantees. This government regulation requires that all products traded are halal so that they enter the halal ecosystem. This community service is carried out with training and mentoring activities to increase literacy regarding the importance of branding, packaging, digital marketing, and halal-haram to prepare MSME residents of Kaliombo Village to face competition in the market and enter the halal ecosystem. This empowerment includes socialization and assistance regarding concepts, uses, and how to apply branding, packaging, digital marketing, and halal-haram to the Kaliombo Village community farmer groups. This empowerment has an impact on increasing the competitiveness of MSMEs through optimizing brand design, packaging design, creating and developing social media accounts, and preparing to self-declare for halal certification permits for MSMEs.
SOCIALIZATION AND TRAINING IN WILD PLANT PROCESSING SUPERFOOD FOR PKK WOMEN AND PRIMARY SCHOOL CHILDREN TO OVERCOME STUNTING IN KURIPANSARI VILLAGE
Authors: S.E., M.Reg.Dev., Ph.D. Rumayya , Rahayu Titik , Nindya Triska , Prameswari Zendy , Akhsani Onish
Published: June 2024

Stunting is a major nutritional problem caused by many factors such as socio-economic conditions, birth order, maternal nutrition during pregnancy and lack of nutritional intake for babies. In the case of East Java, one of the districts that has a higher stunting rate compared to the provincial and national levels in 2021 is Mojokerto Regency, especially in Kuripansari Village, Pacet District. As an effort to overcome this problem, outreach and training activities were carried out regarding the processing of superfood wild plants, namely plants or food that have a high nutritional density, are easy to find and have no economic value, as an alternative to help meet the nutritional needs of pregnant women and toddlers as well as to reduce the risk of stunting. The targets of the socialization and training program for processing wild superfood plants are PKK women (Family Welfare Programme) and elementary school children in Kuripansari Village. For PKK women, the activities carried out include the introduction and processing of superfood wild plants to enrich the availability of affordable side dishes and delicious, highly nutritious food at the household level. In elementary school children, activities carried out include socialization about nutrition and the introduction of superfood wild plants as alternative healthy and nutritious foods or snacks. The expected target is that the community can know the types of superfood wild plants and can use them to meet their nutritional needs. The results of the activities show that the outreach and training carried out have helped increase the participants' knowledge and skills in processing wild superfood plants. The advice given in this activity is the need for further assistance in the processing of superfood wild plants so that it not only has an impact on nutritional problems and stunting, but can also have an impact on the community's economy through activity development programs, for example in the form of cultivation and marketing of superfood wild plant food products. as well as educational tourism activities.
DEVELOPMENT CREATIVITY ON CHILDHOOD ARENA KIDS BALIKPAPAN THROUGH LETTUCE CULTIVATION: HYDRO-DFT SYSTEM FERTIGATION METHOD
Authors: Hidayat Jefri Pandu , Siti Munfarida  , Fadli Robiandi  , Jaysindri Deo Sattva Dwisar Tonda  , Fidela Chosta  , Adrian Prananda Putra  , Andini Angelina Putri  , Theresia Cecilia
Published: June 2024

Early childhood education (4-6) years is focused on developing creativity in order to create the next generation of problem solvers. The majority of students in the Arena Belajar KIDS learning center tend to overplay on gadgets so that creativity and brain concentration decrease. One solution to break this addiction is to invite students to participate in getting to know nature more closely. This activity aims to increase children's creativity and awareness by cultivating lettuce with the hydro-DFT system. The materials used are lettuce seeds of Lactuca sativa variety, netpot, rockwoll, hydroponic nutrients with a mass ratio (1:5) toward (1:3) on last week. The tools used include water pumps, hoses, TDS & pH meters, and hydro-DFT devices that work with the fertigation system. The final result is the harvest of lettuce after a 30-day planting period with average 19.44 cm plant height, 11.92 number of leaves, and 101.78 gr fresh weight. The harvest was carried out based on the feasibility of lettuce specifications that were fertile above 60%. Lettuce harvest from a total of 20 netpots with the hydro-DFT fertigation system showed 70% cultivation success. The average level of feedback on the program series is very good (4), as evidenced by projects that all goes as schedule and are solutive to partner problems. It is hoped that cooperation with partners will continue so that in the long run it can create independent vegetable gardens in the school or  in the home of each student and teacher.
Effects of Herbal Medicine (Turmeric, Cinnamon, Ginger) on Histopathology and Gene Expression in Diabetic Induced Rats: A Qualitative Meta-Analysis
Authors: Sakina R  , Norman N  , Nur Shafiqa Balqis  , Paviethira P  , Sarah Hannani  , Jiyauddin Khan  , Danish Khan  , Salman Khan  , Halim S
Published: June 2024

The paper aims to study a precise synopsis on the possible medical benefits of curcumin of turmeric, ginger, and cinnamon on histopathology of liver and kidney with Bcl-2 and Bax, an apoptotic gene expression in diabetic -induced rats. It is to establish statistical significance across the studies that have conflicting results using herbal medicine. A qualitative meta-analysis search was executed using the following databases: PubMed, Science Direct, Google Scholar in studies with a range of 6 years (2017 - 2021) and completed based on the effects of curcumin, ginger and cinnamon on histological changes and gene expression on liver and kidney on diabetic induced rats. 13 studies are included in this qualitative meta-analysis. Histopathological structure of liver and kidney tissue was observed in curcumin, ginger and cinnamon extract treated diabetic rats showed almost normal tissue structure after the treatment. In vivo studies showed that curcumin and ginger affect the apoptotic gene expression. Anti-apoptotic cell Bcl-2 gene expression increases when Streptozotocin-induced (STZ-induced) rats are treated with curcumin as well as ginger extract. However, the Pro-apoptotic cell gene expression shows the opposite result. However, there is no study showing the effect of cinnamon on apoptotic cell gene expression. This qualitative meta-analysis proved that diabetic induced rat’s treatment with curcumin, ginger and cinnamon have protective properties on liver and kidney on histopathological finding. Ginger and curcumin extract is really effective in preventing apoptosis in diabetic-induced rats. further study is needed to study the effect of cinnamon on apoptotic gene expression.
Ethnomedicinal Plants Used To Treat Bone Fracture By Tribes In Chhattisgarh
Authors: Avantika Agrawal  , Shashikant Chandrakar  , Jiyauddin Khan
Published: June 2024

A full or partial separation in the bone continuity is called fracture. Immunological and hematopoietic cells of bone marrow work in concert to facilitate the intricate process in repair of fracture. It also includes the progenitors of skeletal as well vascular cells and stem cells of mesenchyme, drawn from nearby tissues and blood vessels. It is believed that 80 percent of people in underdeveloped nations continue to use traditional herbal remedies. People from all social classes, who live in close proximity to their surroundings and work there, practice plant based therapy. They include bone setting, treating snakebite, and treating mental health issues. Correctly identifying any plant with medicinal value can only be aided by local cowherds, solitary person, forest residents, and those who depend on forest resources for sustenance. 36-V-10 of Sushruta Samita states that herbs can help hasten the healing process of any fracture by lowering pain, swelling, and discomfort. In addition to having a wide range of ethnomedical practices, Chhattisgarh region of the central India is a rich source to biocultural variety. The present review involves study of historical records and an investigation of customary wisdom around the application of herbal remedies for treating bone fractures. The goal is to protect the riches of traditional knowledge that is rapidly disappearing.
Strategies for Concealing Unpleasant Drug Flavour to Improve Patient Experience
Authors: Bedanta Bhattacharjee  , Abu Md Ashif Ikbal  , Gulam Muhammad Khan
Published: June 2024

The technique of disguising the bitter medication taste in order to increase compliance of patient is known as flavor masking. Even while taste masking occurs in all medications, it mostly affects medications used in juvenile and geriatric patients. Drug's affinity reduction for taste receptors improves flavor masking. Applying polymers, amino acids, sweeteners, and flavoring agents, as well as eliminating the groups that cause an off-putting, are methods for disguising taste. Many methods are devised to hide the awkwardness of medications in order to get around this difficulty. These methods may also improve bioavailability, effectiveness of the medicine in addition to masking the medication bitter taste. This review article examines several flavor masking technologies used presently which are innovative along with their evaluation and taste masking effectiveness.
Experimental Optimization of Natural Gas Injection Timing in a Dual-Fuel Marine Engine to Minimize GHG Emissions
Authors: De Simio Luigi , Marchitto Luca , Iannaccone Sabato , Pennino Vincenzo , Altieri Nunzio
Published: June 2024

Phased injection of natural gas into internal combustion marine engines is a promising solution for optimizing performance and reducing harmful emissions, particularly unburned methane, a potent greenhouse gas. This innovative practice distinguishes itself from continuous injection because it allows for more precise control of the combustion process with only a slight increase in system complexity. By synchronizing the injection of natural gas with the intake and exhaust valve opening and closing times while also considering the gas path in the manifolds, methane release into the atmosphere is significantly reduced, making a substantial contribution to efforts to address climate change. Moreover, phased injection improves the efficiency of marine engines, resulting in reduced overall fuel consumption, lower fuel costs, and increased ship autonomy. This technology has been tested on a single-cylinder, large-bore, four-stroke research engine designed for marine applications, operating in dual-fuel mode with diesel and natural gas. Performance was compared with that of the conventional continuous feeding method. Evaluation of the effect on equivalent CO2 emissions indicates a potential reduction of up to approximately 20%. This reduction effectively brings greenhouse gas emissions below those of the diesel baseline case, especially when injection control is combined with supercharging control to optimize the air-fuel ratio.
Proposal of a Sensorization Methodology to Obtain a Digital Model: The Case of the Dome of the Pious School of Valencia
Authors: Cortés-Meseguer Luis , García-Valldecabres Jorge
Published: June 2024

The Church of the Pious Schools of Valencia (18th century) has the largest Valencian dome constructed, with its 24.5 meter span, and it is included among the prestigious great European domes, inspired by the Pantheon and belonging to Neoclassicism. Currently, it is undergoing a thorough study and restoration process to improve the management of the monument, especially to halt its deterioration due to moisture and cracks. An initial study included in the Master Plan (1995) determined that the cracks were caused by thermal effects, but recently other studies have addressed that the failure originated from the walls. Additionally, environmental impact and thermal behavior are among the causes, as excessive humidity due to high interior occupancy can cause damage to the dome, which has historic coatings. As a result of the study process, it is proposed to sensorize the dome of the church to have comprehensive control of temperature, humidity, and CO2, as well as accelerometers to monitor the movements of the structure. With this, after the restoration of the dome, the potential effects of temperature, humidity, and CO2 on the dome's surfaces will be controlled, in addition to verifying if there is any correlation between the cracks and the temperature.
Classification of Partial Discharges Sources in UHF Using Signal Conditioning Circuit Prpd and Machine Learning
Authors: Júnior Almir Carlos dos Santos , Serres¹ Alexandre Jean René , Xavier² George Victor Rocha , DA COSTA EDSON GUEDES , SERRES GEORGINA KARLA DE FREITAS , Leite Neto Antonio Francisco , Carvalho Itaiara Félix , Nobrega Luiz Augusto Medeiros Martins , Lazaridis Pavlos
Published: June 2024

This work presents a methodology for the generation and classification of phase resolved partial discharges (PRPD) patterns based on the use of a printed UHF monopole antenna and signal con-ditioning circuit to reduce hardware requirements. For this purpose, envelope detection technique was applied. In addition, test objects such as a hydrogenerator bar, dielectric disks with internal cavities in an oil cell, potential transformer, and tip-tip electrodes immersed in oil were used to generate partial discharge (PD) signals. To detect and classify partial discharges, the standard IEC 60270 (2000) method was used as reference. After acquisition of conditioned UHF signals, digital signal filtering threshold technique was used, and peaks of partial discharges envelopes pulses were extracted. Feature selection techniques were used to classify the discharges and choose the best features to train machine learning algorithms, such as multilayer perceptron, support vector ma-chine and decision tree. Accuracies greater than 84% were met, revealing the classification potential of the methodology proposed in this work.
Optimizing Electric Racing Car Performance Through Telemetry-Integrated Battery Charging: A Response Surface Analysis Approach
Authors: Villa-Salazar A.F. , Gomez-Miranda I.N. , Romero-Maya A.F. , Velasquez-Gomez J.D. , Lemmel-Velez K.
Published: June 2024

The link between the world of communication and the world of racing is provided by telemetry systems in electric racing cars. These systems send real-time data about the vehicle’s behavior and systems to enable informed decisions during the race. The aim of this research was to integrate telemetry into the battery bank of a racing electric vehicle to find the optimal values of current and voltage that optimize the charging process, thus improving the vehicle’s performance in competition using Response Surface Analysis. Particularly, the telemetry system consisted of an Arduino Mega, a digital wattmeter, and temperature sensors, all installed in the vehicle. Once the telemetry data was obtained, a response surface design was adapted with current, voltage, and temperature as factors, varying from low to high values, with the objective function being to minimize the battery’s charging time. Applying the response surface methodology and the steepest descent algorithm, it was found that all factors significantly affect the charging time, with the minimum charge time being 6961 seconds, obtained with a current of 2.4 amps and voltages of 50.5 volts and 43.6 volts.
Long-term effects of enhanced external counterpulsation in the management of patients with ischemic chronic heart failure
Authors: Lishuta A. S. , Slepova O. A. , Nikolaeva N. A. , Petruhnova M. F. , Privalova E. V. , Belenkov Yu. N.
Published: June 2024

Aim. To study the long-term effects of complex therapy with the addition of enhanced external counterpulsation (EECP) in patients with stable coronary artery disease (CAD) complicated by chronic heart failure (CHF).

Material and methods. In the open randomized trial EXCEL (NCT05913778), 118 Patients with the verified ischemic CHF NYHA class II-III with reduced or intermediate left ventricular ejection fraction were included. They were randomized into group 1 (n=59) — optimal medical therapy (OMT) and EECP (35 hours, 2 courses per year), group 2 (n=59) — OMT and EECP (35 hours, 1 course per year). The primary endpoint was the proportion of patients with a 6-minute walk test (6MWT) increase of at least 20% from baseline. The secondary composite endpoint included adverse cardiovascular clinical outcomes (myocardial infarction, revascularization, stroke, death), new cases of atrial fibrillation, diabetes mellitus, decreased renal function, and hospitalizations for CHF.

Results. The average CHF NYHA class decreased in group 1 from 2.41±0.49 initially to 1.95±0.47 after 24 months (p<0.001), and in group 2 from 2.37±0.49 to 2.19±0.43, respectively (p=0.021; p<0.001 for intergroup differences). The proportion of patients with an increase in distance walked during 6MWT >20% (primary endpoint) in groups 1 and 2 after 24 months was 98.3% (n=58) and 79.7% (n= 46) respectively (p<0.001). Cumulative event-free survival in group 1 was significantly higher than that in group 2 (88.1% versus 66.1%; Chi2 = 7.792, p = 0.005). In group 1, compared with group 2, the chances of combined endpoint development were 4.2 times lower (odds ratio 0.263, 95% confidence interval 0.101-0.683; p=0.006), and failure to achieve the primary endpoint (increased distance walked in 6MCT >20%) — 16.4 times lower (odds ratio 0.061, 95% confidence interval 0.008-0.484; p=0.009).

Conclusion. Over the 24-month study period, the effect of EECP in patients with coronary artery disease complicated by CHF demonstrated a stable improvement in exercise tolerance, as well as a decrease in the incidence of adverse clinical outcomes, significantly more pronounced in the group with a large number of EECP procedures
Exploration of Physics Concepts in Local Wisdom of South Sumatera as an Effort to Develop Students' 21st-Century Skills
Authors: Wiyono Ketang , Ismet Ismet , Andriani Nely , Fitonia Alika , Nadia Hartisya , Meitasari Diana , Nazhifah Nauratun
Published: June 2024

This research aims to identify physics concepts in South Sumatera's local wisdom. South Sumatera is one of the provinces in Indonesia with a very high level of diversity. The heterogeneous geographical and socio-cultural conditions in South Sumatera provide a strong background for linking the local wisdom of the area with physics learning. The research was carried out using observations, interviews, and documentation. The process revealed a connection between various local wisdoms in South Sumatera and various concepts in physics. Some of the identified local wisdoms include typical South Sumatera food, the environment around the Musi River, and typical South Sumatera buildings. The barges adhere to Archimedes' Law principles. Temperature and phase changes are closely related to the pempek making process. Making smoked fish uses the concepts of temperature and heat. Making salted fish utilizes the concept of heat transfer by radiation and evaporation. The process of making Kemplang closely aligns with the concepts of heat transfer, evaporation, and expansion. This local wisdom, when used as an object in physics learning, is highly suitable and relevant to the Merdeka Curriculum. In this way, students will more easily understand the learning they are doing.
Improving Science Literacy Skills through Interactive Physics E-Learning for students at Lapandewa High School
Authors: Boma Muslimin , Mahmudah Rida Siti Nur'aini , Salam Salam , Pratiwi Ika , Syahrir Syahrir , Chen Diki , Nofianti Nofianti , Ariatami Rezky Nur
Published: June 2024

This study aims to develop physics e-learning to improve students' science literacy skills at SMAN 3 Lapandewa. This research uses the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). The analysis stage involves conducting observations and in-depth interviews at school; the design stage involves designing the initial e-learning product; and the development stage involves developing the e-learning product. The implementation stage involves implementing the developed product, while the final stage involves evaluating the product and its impact on learning outcomes. The determination of research samples involves the use of random sampling techniques and a specific research design. Pretest-Posttest Control Group Design. The research sample amounted to 25 respondents in the control class and 29 respondents in the experimental class. Three validators declared the analysis of science literacy-based teaching materials on temperature and heat feasible, citing easy-to-understand criteria with an average readability of 74.11%. The increase in science literacy skills of students who use science literacy-based teaching materials is higher than that of students who use teaching materials used at school. The increase in science literacy skills among students who use science literacy-based teaching materials is 0.63, compared to 0.38 for students who use traditional school books. Therefore, we can conclude that e-learning enhances students' science literacy abilities.
Ventilation and Public Health: A Fraught History
Authors: LaFay Elaine , Sampson Paul
Published: June 2024

Since the beginning of the COVID-19 pandemic, a vigorous public health discussion has arisen over indoor air quality and ventilation. In popular press articles, bestselling books, and the US Environmental Protection Agency’s recently announced Clean Air in Buildings Challenge, scholars and policy experts have claimed that improved ventilation systems can lead to better productivity and performance. By reevaluating those claims in light of the history of public health in Great Britain and the United States, we found that better ventilation has frequently been proposed as a cost-effective and nonintrusive means of improving health in institutions experiencing structural and environmental public health problems. Furthermore, our examination of efforts to provide ventilation for enslaved people, incarcerated people, and the urban poor revealed a consistent lack of government regulation and a disassociation of air quality concerns from broader environmental, social, and economic realities. By continuing to ignore these broader contexts, current ventilation efforts risk repeating this pattern. ( Am J Public Health. 2024;114(8):798–804. https://doi.org/10.2105/AJPH.2024.307670 )
“The Hotel of 10,000 Stars”: The Impact of Social-Structural Determinants of Health Among Im/migrant Shrimpers in the Gulf of Mexico
Authors: Guillot-Wright Shannon , Davis Lacy , Truong Linh , Castañeda Heide , Rodriguez Anabel
Published: June 2024

Objectives. To identify appropriate interventions to prevent injury, we conducted a qualitative study among commercial shrimp fishermen in the Gulf of Mexico.

Methods. Using qualitative and participatory research methods, including interviews, photovoice, and workplace observations in southeast Texas and the Rio Grande Valley in Texas, we examined the social‒structural dimensions that contribute to physical and psychological injury.

Results. We found that multiple layers of vulnerability and danger exist among shrimpers with interacting themes: (1) recognizing risk, (2) precarious employment, and (3) psychological distress.

Conclusions. Our results add to the growing body of knowledge that emphasizes the negative health impacts of underregulated, high-risk, and physically demanding work performed primarily by im/migrants.

Public Health Implications. Our findings highlight the larger social‒structural conditions and context of hardships endemic to migrant labor and suggest implications for practice and policy interventions. ( Am J Public Health. 2024;114(8):824–832. https://doi.org/10.2105/AJPH.2024.307696 )
The Source-to-Sink Character of the Shahejie Formation in the Shulu Slope, Bohai Bay Basin, China
Authors: Liu L. , Liu Z. , Zhao R. , Li X. , Li X. , Luo X. , Zhao L. , Liu T.
Published: June 2024

—Erosion and sedimentary landforms are linked through sediment transport pathways, which forms a source-to-sink system (S2S). The coupling relationship of different components in the clastic sediment system is emphasized by the S2S concept. A new method for characterizing the sedimentary process of continental rift basins is also provided. It has been proven that there is rich exploration potential in the third member of the Shahejie Formation (Es3) in the Shulu Slope of the Bohai Bay Basin in China but with relatively low production. With the complex structural background of the Es3 of the Shulu Slope, conventional research methods are ineffective in guiding the current development strategies. Therefore, this study adopts the S2S theory, and its elements in the study are characterized using core, logging, and seismic data. The results suggest that the S2S in this study area was supplied by the Ningjin Uplift in the western region, and a fan delta and lake sedimentary systems were formed by the sand transported through valleys and fault troughs. The S2S coupling model, “the Ningjin Uplift sand supply–fault trough, valley transport–fan delta, and shore–shallow lake sedimentation,” is established. This research field permits prediction of sand bodies in continental rift basins with similar structural backgrounds.
Earthquake Focal Mechanisms of Non-Normal Type in the South Baikal Basin
Authors: Radziminovich N.A.
Published: June 2024

—Earthquake focal mechanisms that are atypical for the South Baikal basin, which is under the extension of the Earth’s crust in the NW-SE direction, are analyzed. Atypical mechanisms are understood as focal solutions of strike-slip and reverse fault types, as well as solutions with normal fault movements along NW-trending planes transverse to the main structures of the basin. Whereas normal faults along NE-trending planes dominate, 29% of solutions from the sample of focal mechanisms are of non-normal fault type, of which 18% account for strike-slip faults and their combinations with other types of displacements (with a normal or reverse component) and reverse faults (with a strike-slip component) – 11%. Such displacements occur predominantly along NW-trending planes, as well as along submeridional and sublatitudinal ones, and strike-slip movements are characterized by right-lateral displacement along NW and submeridional planes, and, accordingly, left-lateral displacement along sublatitudinal and some NE planes. Earthquakes with atypical mechanisms are distributed almost throughout the entire basin, but it is necessary to note an increase in their number on its southwestern termination (the Kultuk segment) and on the eastern side of the Central Basin. In the current field of crustal extension, transverse shears play the role of transfer faults, accommodating differences in the rates and vectors of deformation of local blocks within the basin, and on a regional scale between neighboring rift basins.
RETRACTED: Non-Invasive Detection of Aspergillosis in Ventilated Patients: Galactomannan Analysis in Exhaled Breath
Authors: Tang XiaoHong , Yang Lei , Zhang Rong , Fang Hong , Tang Huan , Xie Qian , Wang HaiLian , Yang Yang , Chen Lin
Published: June 2024

The authors have requested that this preprint be removed from Research Square.
Prevalence of Dental Caries and Associated Factors Among Secondary School Students in Kigali, Rwanda: A Cross-sectional study
Authors: Mamani Susana Judith Tito , Mukamuligo Judith , Uwambaye Peace , Andegiorgish Amanuel Kidane
Published: June 2024

Background: Dental caries is a worldwide alarming health problem among children and adolescents in developing countries. However, few studies were conducted regarding dental caries in Rwanda. Hence, this study determined the prevalence of dental caries and its associated factors among secondary school students in Kigali, Rwanda.
Methods:
A cross-sectional study was conducted among 646 secondary school students in the City of Kigali. Data on dental caries were collected with a structured questionnaire adapted from the World Health Organization. Pre-testing of the instrument was done using Cronbach’s Alpha (0.80). Data were analyzed with SPSS version 25. Proportions and mean decayed missing and filled teeth index (DMFT) were computed. Bivariate and Poisson regression analyses were used to test the associated factors to dental caries.
Results:
The average age of study participants was 16 years. Almost half of the study participants were female (50.5%) and 50% were from an urban place of residence. The overall prevalence of dental caries was 61.1% with a mean decayed missing and filled teeth index of 3.3 (SD = 3.9). Notably, 5.1% of children had missing teeth, however, only 1.7% had filled teeth. The lower molars were the most affected teeth by tooth decay 38.7%. Being a female was 1.5 times more likely to develop dental caries (AOR=1.5, CI:1.4-1.6, P=0.001) compared to males. Children from rural places had a 1.1 times higher odds of dental caries (AOR=1.1, CI:1.0-1.3, P<0.001) when compared to their urban counterparts. Similarly, children who don’t use toothpaste were 1.2 times more likely to develop dental caries than those who use it regularly and the difference was significant (AOR=1.2, CI:1.1-1.3, P<0.001). Visiting a dentist was significantly associated with 30% lower odds of dental caries (AOR:0.7, CI:0.6-0.8, P<0.001). Moreover, being young age 12-14 years, and coming from a poor family were significantly associated with a 40% and 20% lower likelihood of dental caries compared to their counterparts.
Conclusion:
Dental caries was found a public health problem among secondary school students in Kigali, Rwanda with highly untreated dental caries. Lack of dental visits, coming from poor families, residing in rural areas, and being female were found associated factors to dental caries among secondary school students in Rwanda.
Impact of contamination due to ingestion of microplastics on commercial fish in relation to their trophic habits
Authors: Bastidas Jackeline Jasmin Cañón , Molina Andres , Duque Guillermo
Published: June 2024

The abundance of microplastic particles may be linked to fish populations through ingestion, due to the presence of debris throughout the marine environment. In this study, the influence of biological characteristics on the ingestion of microplastics was evaluated in 28 species of fish from the Sciaenidae family and 12 from the Ariidae family in the estuaries of Tumaco and Buenaventura Bay. The samples were collected in high and low precipitation seasons during the years 2020 and 2021, then a characterization of the stomach contents of 894 specimens in Tumaco Bay (479 Sciaenidae and 415 Ariidae) and 758 specimens in Buenaventura Bay was carried out. (267 Sciaenidae and 491 Ariidae) the number of microplastics per stomach was recorded. Additionally, their trophic level (TL) was calculated, and they were grouped into three groups (high, medium, low). As the main result, a positive correlation was found between the trophic level and the consumption of microplastics for both the Ariidae family (p=0.0254) and the Sciaenidae family (p=0.0028). Additionally, differences in consumption were found between TL for the Ariidae family (p(Per)=0.017) and Sciaenidae (p(Per)=0.031), with the high TL being the one that presented the greatest presence of microplastics (MP). This agrees with what was found in studies carried out in estuarine coastal areas, where a positive relationship is shown between the abundance of microplastics and the trophic level of organisms. Likewise, the Condition Factor (CF) presented lower values (<1) in adult individuals that consumed MP, which indicates that the well-being of fish species decreases with this contaminant. These findings indicate that microplastics generate a negative effect on the normal development of fish, as has been reported in other parts of the world.