bluuebunny/crossref_metadata_2025 huggingface dataset:
Universal Approach to Direct Spatiotemporal Dynamic in-situ Optical Visualization of On-Catalyst Water Splitting Electrochemical Processes
Authors: Bahuguna Gaurav , Patolsky Fernando
Published: January 2024

Electrochemical reactions are the unrivaled backbone of next generation energy storage, energy conversion and healthcare devices. However, the in-situ real-time visualization of electrochemical reactions, which can shed light on various critical unknown insights on the electrochemical processes, still remains the bottleneck for fully exploiting their intrinsic potential. In this work, for the first time, a universal approach to the direct spatiotemporal-dynamic in-situ optical visualization of pH based as well as specific byproduct based electrochemical reactions is performed. As a highly relevant and impactful example, the in-operando optical visualization of on-catalyst water splitting processes is performed under neutral water/seawater conditions. pH based visualization are performed using a water-soluble fluorescent pH probe HPTS (8-hydroxypyrene-1,3,6-trisulfonicacid), known for its exceptional optical capability of detecting even the tiniest environment pH changes, thus allowing the unprecedented “spatiotemporal” real-time visualization at the cathode and anode. The successful experimental investigations embarked here, allowed us to reach several yet unveiled deeper insights into the spatiotemporal water splitting processes and their practical modulation for potentially improving the applicability and efficiency of water splitting devices. As a result, we were able to unprecedentedly reveal that at a critical cathode-to-anode distance, a continuous bulk-electrolyte “self-neutralization” phenomenon can be achieved during the water splitting process, leading to the practical realization of enhanced additive-free neutral water splitting. Furthermore, we experimentally unveiled that at increasing electrolyte flow rates, a swift and severe inhibition of the concomitantly forming acidic and basic ‘fronts’, developed at anode and cathode compartments is observed, thus acting as a continuous on-catalysts “buffering” mechanism that allows for a remarkably enhanced water splitting process. Furthermore, to demonstrate the universal applicability of this elegant strategy which is not limited to pH changes, the technique was extended to visualization of specific electrochemical process by the use of reaction product-specific fluorophore. For the purpose, N-(4-butanoic acid) dansylsulfonamide (BADS) fluorophore was successfully explored to in-situ visualize the formation of hypochlorite/ chlorine at the anode during electrolysis of sea water. Thus, a unique experimental tool that allow real-time spatiotemporal visualization and simultaneous mechanistic investigation of complex electrochemical processes in developed that can be universally extended to various fields of research.
Nucleopalladation Guided Three-Component Vicinal and Geminal Dicarbofunctionalization of Allylamines
Authors: Ballav Nityananda , Saha Shib Nath , Yadav Shailesh , Baidya Mahiuddin
Published: January 2024

A palladium(II)-catalyzed vicinal as well as geminal selective dicarbofunctionalization of allylamine embedded in a removable picolinamide auxiliary is developed by exploiting nucleopalladation triggered intermolecular three-component coupling reaction. The vicinal selectivity was accomplished by engaging allylamine, indoles, and aryl or styrenyl halides through a Pd(II)/Pd(IV) reaction manifold, while the two-fold coupling of allylamine and indoles via Pd(II)/Pd(0) reaction modality resulted in geminal selectivity. The protocol is operationally simple, scalable, and offers two distinct types of products bearing functionalized tryptamine and bisindolyl frameworks in very high to excellent yields. The reaction features a wide substrate generality and also remains effective in the presence of various medicinally relevant scaffolds. Notably, this work represents the first example of nucleopalladation-guided intermolecular dicarbofunctionalizations of allylamines.
Synthesis and Characterization of a Dioxomolybdenum Complex [cis-MoO2(OV)2] Using Ortho-Vanilline (OV) as a Ligand
Authors: Deb Priyangana
Published: January 2024

This work presents a comprehensive exploration of the synthesis and experimental characterization of cis-MoO2(OV)2. The study includes a thorough analysis of the single crystal structure of the complex and also validates the experimental findings and establishes the high purity of the synthesized Mo-complex using Density Functional Theory (DFT). The combined experimental and computational approach enhances the reliability of the results, contributing to a more robust understanding of the synthesized cis-MoO2(OV)2 compound.
A Metabolically Integrated Lossen Rearrangement in Escherichia coli
Authors: Wallace Stephen , Johnson Nick , Valenzuela Ortega Marcos , Kjeldsen Annemette , Mulholland Keith
Published: January 2024

Biocompatible chemistry enables abiotic reactions to be interfaced with metabolic pathways in living microorganisms. This includes both native and de novo biosynthetic processes to access abiotic feedstocks, intermediates and products in vivo. Herein we report a biocompatible Lossen rearrangement that is catalysed by phosphate in the bacterium Escherichia coli for the chemical transformation of activated acyl hydroxamates to primary amines in living cells. Using a para-carboxylated substrate, the biocompatible reaction can be used to generate the metabolite para-aminobenzoic acid (PABA) to rescue ∆pabA/B and ∆aroC auxotrophy and enable cell growth. The Lossen substrate can also be synthesised from polyethylene terephthalate (PET) and applied to whole-cell biocatalytic reactions and fermentations generating industrial small molecule products – including the analgesic and antipyretic drug paracetamol – paving the way for a general strategy to addict E. coli and other industrial chassis strains to PET plastic waste as a bioremediation strategy and for the upcycling of plastic waste using engineered biology. Together, this work showcases how non-enzymatic biocompatible reactions can be interfaced and cooperate with microbial metabolism to expand the available toolbox of metabolic chemistry for small molecule synthesis in native and engineered cellular systems.
Exploring Magnesium- and Calcium-Ion Conductors Via Solid-State Metathesis Reactions
Authors: Masese Titus , Kanyolo Godwill , Miyazaki Yoshinobu , Tachibana Shintaro , Komori Sachio , Zhong Chengchao , Taniyama Tomoyasu , Orikasa Yuki , Saito Tomohiro
Published: January 2024

Magnesium and calcium batteries offer promising energy storage solutions characterised by cost-effectiveness, safety, and high energy density. However, the scarcity of viable electrode and electrolyte materials vastly hinders their advancement. This study utilises solid-state metathetical reactions involving predominantly chalcogen- and pnictogen-based honeycomb layered oxides with alkaline-earth halides/nitrates to synthesise Mg- and Ca-based materials previously achievable only under high-temperature/high-pressure conditions, as well as new metastable materials with unique crystal versatility. Particularly, we employ metathetical reactions involving Li4MgTeO6, Na2Mg2TeO6, and Na4MgTeO6 with MgCl/Mg(NO3)2 or Ca(NO3)2 at temperatures not exceeding 773 K to produce Mg3TeO6 polymorphs, ilmenite-type CaMg2TeO6 (Mg2CaTeO6), and double perovskite Ca2MgTeO6. Thus, we demonstrate that these materials, conventionally requiring gigascale pressures and high temperatures (>1273 K) for their proper synthesis, are now readily accessible at ambient pressure and considerably lower temperatures. Meanwhile, despite sub-optimal pellet densities, the synthesised ilmenite-type Mg3TeO6 and double perovskite Ca2MTeO6 (M=Mg,Ca,Zn) materials exhibit remarkable bulk ionic conductivity at room temperature, marking them as promising compositional spaces for exploring novel Mg2+ and Ca2+ conductors. Furthermore, this study extends the applicability of metathetical reactions to attain Mg- or Ca-based antimonates, bismuthates, ruthenates, tungstates, titanates, phosphates, and silicates, thus opening avenues to novel multifunctional nanomaterial platforms with utility in energy storage and beyond.
Structural elucidation of ubiquitin via gas-phase ion/ion cross-linking reactions using sodium-cationized reagents coupled with infrared multiphoton dissociation
Authors: Kang Woo-Young , Mondal Arup , Bonney Julia , Perez Alberto , Prentice Boone
Published: January 2024

Accurate structural determination of proteins is critical to understanding their biological functions and the impact of structural disruption on disease progression. Gas-phase cross-linking mass spectrometry (XL-MS) via ion/ion reactions between multiply charged protein cations and singly charged cross-linker anions has previously been developed to obtain low-resolution structural information of proteins. This method significantly shortens experimental time relative to conventional solution-phase XL-MS, but has several technical limitations, including (1) the singly deprotonated, N-hydroxysulfosuccinimide (sulfo-NHS)-based cross-linker anions are restricted to attachment at neutral amine groups of basic amino acid residues and (2) analyzing terminal cross-linked fragment ions is insufficient to unambiguously localize sites of linker attachment. Herein, we demonstrate enhanced structural information for alcohol-denatured A-state ubiquitin obtained from an alternative gas-phase XL-MS approach. Briefly, singly sodiated ethylene glycol bis(sulfosuccinimidyl succinate) (sulfo-EGS) cross-linker anions enable covalent cross-linking at both ammonium and amine groups. Additionally, covalently modified internal fragment ions, along with terminal b-/y-type counterparts, improve the determination of linker attachment sites. Molecular dynamics simulations validate experimentally obtained gas-phase conformations of denatured ubiquitin obtained herein. This method has identified four cross-linking sites across 8+ ubiquitin, including two new sites in the N-terminal region of the protein that were originally inaccessible in prior gas-phase XL approaches. The two N-terminal cross-linking sites suggest that the N-terminal half of ubiquitin is more compact in gas-phase conformations. By comparison, the two C-terminal linker sites indicate the signature transformation of this region of the protein from a native to a denatured conformation. Overall, the results suggest that the solution-phase secondary structures of A-state ubiquitin are conserved in the gas phase. This method also provides sufficient sensitivity to differentiate between two gas-phase conformers of the same charge state with subtle structural variations.
Nickel Catalyzed C–S Cross Coupling of Sterically Hindered Aryl Triflates with Alkyl Thiols
Authors: Lindenmaier Ivo , Richter Robert , Fleischer Ivana
Published: January 2024

Due to the smaller size of nickel compared to palladium, the C–S cross-coupling of sterically challenging aryl electrophiles with alkyl thiols under nickel catalysis remained elusive. Herein, we report the nickel-catalyzed cross-coupling of alkyl thiols with aryl triflates bearing functional groups in ortho-position relative to the leaving group using Ni(cod)2/DPEphos (L1) or dppbz (L2) as the catalytic system. For substrates featuring non-coordinating ortho-substituents, the reaction operates under mild conditions using L1, while for electrophiles bearing coordinating groups, the ligand L2 and elevated temperatures are required. The synthetic utility could be demonstrated on numerous examples, including biologically relevant compounds, and on larger scale. Instead of Ni(cod)2, more cost-efficient Ni(OAc)2 can also be employed in the presence of zinc as reductant. Furthermore, insights into the reaction mechanism were obtained by competition experiments, isolation of organometallic intermediates and computations.
Tourism Sector and Regional Income Relationship in Sinjai
Authors: Khusniati Navi'ah , Hermansyah Fakhrul Indra
Published: January 2024

Several previous studies have revealed that the tourism sector is positively related to regional income (pendapatan asli daerah). Even though the selected research location still does not have tourism potential, the relationship between these two variables is important to discuss to find tourism potential in Sinjai Regency. This research uses quantitative analysis with the ErrorCorrection Model (ECM) approach, which shows that all variables have fulfilled the stationarity test, long-term cointegration, Error-Correction Term (ECT) and the classical assumption test (Boedijoewono, 2012), which is the time data-series from 2012 to 2021 is used to include proxies for the number of tourists, number of hotels and other accommodation, level of infrastructure, Gross Regional Domestic Product (GDRP) in the tourism sector (trade, hotel and restaurant, entertainment and recreation sectors) and Original Regional Income in Sinjai Regency. The results of this research reveal that in the short term, changes in PAD are influenced simultaneously and partially by changes in the number of tourists, the length of roads in good condition, and Tourism GRDP. However, changes in PAD are not influenced by changes in the number of hotels. On the other hand, every change in the number of tourists and the length of road conditions will have an influence on changes both simultaneously and partially in PAD. Finally, the number of hotels and tourism GRDP do not have a significant influence on PAD.
Determinants of Literacy Levels in Indonesia
Authors: Fatmawati Fatmawati
Published: January 2024

The Indonesian government has made efforts to increase literacy rates in Indonesia by providing literacy education program services and developing the community's reading culture. This research aims to find out the influence of the number of schools, electrification level, GRDP and education on literacy in each province in Indonesia. The data in this research comes from the Central Statistics Agency for the period 2020-2022. This research uses panel data from 34 provinces in Indonesia. This research uses panel data combined with time series data from 2020-2022 and cross section data in 36 provinces in Indonesia. The dependent variable in this study is literacy, while the main independent variable here is the level of electrification. The results of this research show that the level of electrification and education has a positive and significant effect on literacy, while GRDP has a negative and significant effect on literacy.
Integrated analysis of RNA-seq datasets reveals novel targets and regulators of COVID-19 severity
Authors: Oliveira Thais Teixeira , Freitas Júlia Firme , de Medeiros Viviane Priscila Barros , Xavier Thiago Jesus da Silva , Agnez-Lima Lucymara Fassarella
Published: January 2024

During the COVID-19 pandemic, RNA-seq datasets were produced to investigate the virus–host relationship. However, much of these data remains underexplored. To improve the search for molecular targets and biomarkers, we performed an integrated analysis of multiple RNA-seq datasets, expanding the cohort and including patients from different countries, encompassing severe and mild COVID-19 patients. Our analysis revealed that severe COVID-19 patients exhibit overexpression of genes coding for proteins of extracellular exosomes, endomembrane system, and neutrophil granules (e.g.,S100A9,LY96, andRAB1B), which may play an essential role in the cellular response to infection. Concurrently, these patients exhibit down-regulation of genes encoding components of the T cell receptor complex and nucleolus, includingTP53,IL2RB, andNCL. Finally, SPI1 may emerge as a central transcriptional factor associated with the up-regulated genes, whereas TP53, MYC, and MAX were associated with the down-regulated genes during COVID-19. This study identified targets and transcriptional factors, lighting on the molecular pathophysiology of syndrome coronavirus 2 infection.
Exploring the phytochemical profile of melia dubia seeds and evaluating their biological properties
Authors: Daniel Xavier Prasad
Published: January 2024

Melia dubia, also referred to as Malabar neem, is a potential multipurpose tree ideal for agroforestry to increase yield per unit of land. It has several medical, pharmacological, ethnomedicinal, and conventional qualities and uses, including antioxidant, anticancer, antibacterial, and antidiabetic actions, and is widely sought after in herbal medicine. The aim of this paper is to assess the biological characteristics of Melia dubia seeds through phytochemical characterization. The study emphasizes preliminary phytochemical analysis, total alkaloid content, in vitro antioxidant activity, and antimicrobial activities. The ferric-reducing antioxidant power method and nitric oxide radical scavenging activity methods were employed to examine the extract's antioxidant activity. For determining its antimicrobial activity, disc diffusion was used. It can be concluded that the ethanolic extract of Melia dubia seeds contains alkaloids, and the seeds exhibit both antimicrobial and antioxidant properties.
Desarrollo y aplicación de un protocolo de evaluación de los movimientos generales de Prechtl en lactantes. De la teoría a la práctica
Authors: Largo Gómez Ana María , Quintero Valencia Carlos Alberto , Posada Borrero Ana Maria , Ríos Osorio Johan Sebastián
Published: January 2024

Introducción. Las guías internacionales plantean que la evaluación de los movimientos generales en los recién nacidos puede ser una herramienta altamente predictiva para el diagnóstico temprano de la parálisis cerebral. Su uso en países en desarrollo como Colombia es limitado, por ello el diseño de un protocolo de evaluación de los movimientos generales permitiría optimizar el acceso de poblaciones de riesgo a esta herramienta.
Objetivos. Desarrollar un protocolo de evaluación de los movimientos generales y los desenlaces en el desarrollo de los niños con riesgo de parálisis cerebral después de los 14 meses y evaluar su aplicabilidad en niños con dificultades de acceso a los servicios de salud.
Métodos. El protocolo se planteó con un esquema de valoración de cuatro etapas. Según la edad al momento de ingreso al programa, se realizaron ajustes para la valoración, el análisis y el seguimiento de los pacientes. Los videos, que fueron grabados según las recomendaciones publicadas en la literatura médica relacionada con la metodología utilizada, fueron evaluados por profesionales certificados.
Resultados. Se reporta el protocolo sugerido para la evaluación cualitativa y semicuantitativa de los movimientos generales y se presentan los resultados de su aplicación en 11 niños incluidos en la prueba piloto. Este protocolo, que fue diseñado con base en una revisión de la literatura y la experiencia de dos de los investigadores, incluye información para grabar los videos, realizar la evaluación médica, aplicar la evaluación cualitativa de Prechtl de los movimientos generales del recién nacido y el examen neurológico infantil Hammersmith.
Conclusión. La evaluación de los movimientos generales constituye una herramienta valiosa para la valoración del riesgo de parálisis cerebral en lactantes. La utilización de un protocolo garantiza una evaluación seriada y sistemática, por lo que es conveniente implementar su uso en centros de atención primaria y mejorar la accesibilidad a estas herramientas.
Tecnologias digitais e ensino de língua inglesa
Authors: Silva Danilo Santos e , Santiago Flavio
Published: January 2024

O presente estudo teve como objetivo conhecer a práxis pedagógica de professores de língua inglesa no período de aulas remotas, ocasionadas pela pandemia de Covid-19 em 18 escolas públicas de Ensino Médio na região noroeste do estado do Ceará. Trata-se de uma pesquisa quali e qualitativa, que utilizou como ferramenta para coleta dos dados a aplicação de questionário no formato on-line aos professores de língua inglesa. De acordo com 52% dos professores entrevistados sequer receberam treinamento adequado para conhecer as ferramentas digitais. Sobre o uso, de modo emergencial, dessas materialidades que foram usados no período mais crítico da pandemia de Covid-19, é possível identificar empecilhos estruturais que limitam o acesso a esses recursos.
Ações formativas em uma disciplina de prática de ensino de Matemática
Authors: Rodrigues André Lima , Teixeira Bruno Rodrigo
Published: January 2024

Este trabalho consiste em um relato de experiência no contexto do desenvolvimento de uma disciplina de Prática de Ensino de Matemática e tem como objetivo evidenciar componentes do contexto formativo dessa disciplina que colaboraram para o desenvolvimento profissional dos licenciandos. A experiência foi desenvolvida com graduandos de um curso de licenciatura em Matemática no norte do Paraná e identificamos que, nesse contexto, ações como realização de escritas reflexivas a respeito das aulas, estudo e planejamento de aulas a partir de livros didáticos, discussões com os colegas e o formador, antecipação de possíveis dúvidas e resoluções dos alunos, simulações de aulas, reflexões sobre a própria prática, observações críticas das aulas simuladas, entre outras, são componentes que podem potencializar o desenvolvimento profissional dos futuros professores e auxiliar formadores de professores de Matemática na proposição de práticas colaborativas que integrem conhecimentos teóricos e práticos e que caminhem na direção da superação das limitações ainda existentes em cursos de licenciatura em Matemática no Brasil.
Formadores de profesores de Matemáticas
Authors: Sosa Guerrero Leticia , Jiménez Ávila Wendy Jhoana
Published: January 2024

Este artículo tiene como objetivo identificar la influencia del contexto en la práctica educativa y en los puntos de vista de los formadores de profesores de matemáticas. Diversos investigadores han reportado la importancia del contexto en la visión que se forman los profesores respecto a las matemáticas, su enseñanza y aprendizaje, y su influencia en las prácticas de aula de los profesores. Debido a la compleja labor que desempeñan los formadores de profesores de “enseñar a enseñar” resulta oportuno indagar sobre los contextos de los responsables directos de la formación de los profesores de matemáticas.
Iniciação Científica e Formação Docente
Authors: Sousa Gabriel Linhares de , Barreto Marcilia Chagas
Published: January 2024

Diante da diversidade de conhecimentos que atravessam a formação docente, a Iniciação Científica surge como possibilidade formativa. Em contexto colaborativo de pesquisa e formação, este estudo de caso com cinco sujeitos teve como objetivo analisar os conhecimentos manifestados por bolsistas de IC, imersos em um contexto que buscava a colaboração para a sua formação docente em Matemática. Identificou-se que o conhecimento matemático para o ensino mais manifestado foi o conhecimento de conteúdo e de ensino. A partir do ambiente colaborativo, os(as) bolsistas de IC demonstraram construir aprendizagens significativas para sua formação.
pensarfazer criativo na perspectiva de licenciandos/as de Matemática
Authors: Santos José Elyton Batista dos , Silva Mário Jorge Oliveira , Nascimento Marilene Batista da Cruz
Published: January 2024

Este artigo tem como objetivo analisar as concepções de estudantes do Programa Institucional de Bolsas de Iniciação à Docência (PIBID) e do Programa de Residência Pedagógica (PRP) sobre a criatividade nos processos de ensino e aprendizagem matemática. Trata-se de uma pesquisa qualitativa que visa à compreensão de sentidos, envolvendo 24 bolsistas do PIBID e do PRP do curso de Matemática. Os achados sinalizaram a relevância de ações formativas na e para a criatividade, desvelando habilidades no campo das tecnologias, dos jogos, do pensamento convergente, do olhar diferente e do movimento da atenção.
Monitoramento e avaliação da educação em Itapetininga/SP
Authors: Ribeiro Elidia Vicentina de Jesus , Giordano Daniele Xavier Ferreira , Lima Paulo Gomes
Published: January 2024

Este artigo teve como objetivo analisar as diretrizes para a avaliação e monitoramento dos Planos Municipais de Educação (2015-2025), a partir das orientações e direcionamentos do Plano Nacional da Educação, instituído pela Lei 13.005/2014 e sua ressonância no município de Itapetininga/SP. Utilizou-se da pesquisa documental, tendo como referência os documentos disponibilizados na plataforma PNE em Movimento (2014). O estudo identificou uma variedade de materiais disponibilizados para a utilização das equipes responsáveis e sociedade em geral. O município de Itapetininga preencheu a Adesão à Assistência Técnica, inseriu a Agenda de Trabalho, porém, não foram localizados os Relatórios dos Ciclos de Monitoramento e Avaliação que demonstram os resultados conclusivos quanto ao processo.
formador de professores em contextos de formação continuada em modelagem na educação matemática
Authors: Martens Adan Santos , Klüber Tiago Emanuel
Published: January 2024

Esta pesquisa expõe compreensões sobre o papel do formador na formação continuada em Modelagem Matemática em contexto de pesquisa a partir do depoimento de sete professores de Matemática de diferentes regiões do Brasil, participantes desses modelos de formação. Assumiu uma postura fenomenológica-hermenêutica de pesquisa e as análises revelaram, dentre outras coisas, para a necessidade de repensar o acompanhamento do formador ao professor, levando em consideração os diferentes perfis de professores e tendo em vista a construção de uma postura autônoma a fim de desenvolverem Modelagem por conta própria.
Carmen Ramírez Domínguez, Óscar Flores Solano y José Antonio Ruíz Jarquín (Dir.). Esperanza, las vendedoras del tren
Authors: Quintanilla Merino Daniela Giacomina
Published: January 2024

Esperanza es una estación de ferrocarril convertida en pueblo gracias al esfuerzo de un grupo de mujeres. Esperanza, las vendedoras del tren, es un documental dedicado a su memoria que reconstruye la historia del pueblo a través de su experiencia.
La formación y preservación de tejabanes en Monterrey: el caso de la colonia Terminal, 1950-1970
Authors: Olguin Hernández Eliana Celeste
Published: January 2024

El crecimiento industrial de Monterrey durante los primeros años del siglo XX, y su consecuente concentración demográfica, provocaron una alta demanda de espacios habitacionales que excedieron la infraestructura de la ciudad. Ante la necesidad inmediata de un lugar para vivir, una parte de la población optó por construir sus propios hogares, mismos que fueron denominados “tejabanes”. Este concepto hace referencia a una vivienda autoconstruida por trabajadores, cuyos materiales constructivos más recurrentes fueron la madera y la lámina para el techo. Aunque estos se distribuyeron por diferentes zonas, un asentamiento importante de tejabanes se conformó al norte del primer cuadro de la ciudad, cerca de las principales industrias, avenidas y medios de transporte. Privilegiando las fuentes orales, el objetivo de este trabajo es analizar las circunstancias que dieron pie a la formación y preservación de los tejabanes en un espacio de esa zona, la colonia Terminal, entre 1950 y 1970.
REFLECTION OF BANARAS IN THE PAINTINGS OF JAYASRI BURMAN
Authors: Saha Neha
Published: January 2024

Banaras is a holy and spiritual city that attracts people from all over the country even writers and artists. Many artists captured the beauty of Banaras in their art. Jayasi Burman is one of those artists whose paintings offer a glimpse into the soul of Banaras. Her art captures the essence of the city’s rich traditions, its vibrant colors, and its spiritual fervor. She is known for her Indian mythological paintings. But when the author met her for research work, realized that she has a very close attachment to Banaras. Banaras always attracts her. The spirituality of the city and the faith of the people inspire her. Banaras, Vishwanath Goli, Kashi ghat, Jalyatra, etc. are the examples of Jayasri Burman’s paintings where we can see the impact of Banaras, its culture, and mythology. This paper will explore the works of Jayasri Burman and delve deep into the world of Banaras. We will go through the cultural legacy of the city and experience its mysterious charm through the eyes of this renowned artist, from the ghats of the river Ganges to the alleys of the old city.
ENACTING THE GODS: THE PERFORMANCE OF HAOBA NURABI EPISODE IN THE LAI HARAOBA OF MANIPUR
Authors: Premchandra Kshetrimayum
Published: January 2024

This paper examines the performance of the Haoba Nurabi episode in the Meitei Lai Haraoba of Manipur. It attempts to delve into the intricate rituals of Lai Haraoba, a celebration that combines elements such as dance, music, sports, and sacred ceremonies to honour the presiding deities. The paper also provides insights into the performance space known as the laipung, shedding light on the staging and realisation of this traditional performance style. Throughout this paper, the terms drama, theatre, and performance are used interchangeably with due emphasis on spectator experience rather than the technicalities of the terms and methodological challenges. The episode under consideration reenacts the interactions between the divine lovers Haoba and Nurabi, who initially fail to recognise each other, which offers moments of humour and clever dialogues while performing activities like tilling, sowing, and harvesting. With multiple constituent elements making this propitiatory festival an entity unto itself, Lai Haraoba holds significance within India's broader landscape of performance traditions. And Haoba Nurabi sets itself apart within the ritual-rich ambience of the Lai Haraoba festival by exhibiting structural and presentational similarities to contemporary drama.
Investigación abierta en la práctica de laboratorio y el aprendizaje de la Química en los estudiantes de bachillerato
Authors: Faicán-Juca Fernanda , Manzano-Vela Renato
Published: January 2024

La experimentación como estrategia metodológica empleada en el proceso de enseñanza-aprendizaje en la Química presenta un estancamiento en la adquisición de conocimientos, destrezas y habilidades indispensables. Actualmente, las prácticas se basan en seguir de manera metódica el procedimiento dado en una guía de laboratorio, provocando un aprendizaje pasivo, donde el estudiante no se involucra directamente en construir su propio conocimiento. Por esta razón, el presente trabajo de estudio tuvo como finalidad aplicar la investigación abierta en la práctica de laboratorio, al ser una metodología basada en el aprendizaje constructivista. Se investigó su relación con el aprendizaje de la Química, además de determinar su influencia e identificar su contribución en la misma. Esta investigación fue de tipo no experimental y de alcance correlacional. Por otra parte, se aplicó una encuesta y un test de evaluación a 125 estudiantes de bachillerato de la Unidad Educativa Nuestra Familia. Como principales resultados se obtuvo una correlación positiva, moderada y significativa entre la investigación abierta en la práctica de laboratorio con el aprendizaje de la Química. Además, los resultados del test de evaluación demuestran una influencia positiva al obtener un 75% de estudiantes que alcanzan y dominan los aprendizajes. Mientras que el 73.60% de estudiantes consideran que la investigación abierta contribuye considerablemente en la adquisición de aprendizajes. Como consecuencia la metodología aplicada presenta un aporte cognitivo superior al desarrollar y fortalecer el proceso investigativo y ejecutarlo en el laboratorio.
identidad vocacional del nivel inicial y terminal en las carreras de docencia de la Facultad de Filosofía, Universidad Central del Ecuador
Authors: Ordóñez-Pizarro Wilman , Castejón-Costa Juan , Chasi-Solórzano Byron , Aguilar-Veintimilla Willam
Published: January 2024

La Facultad de Filosofía, Letras y Ciencias de la Educación se enfrenta al reto de lograr que los estudiantes escojan una carrera en la que su identidad vocacional posibilite su culminación exitosa, por lo que tiene la necesidad de disponer información que coadyuve a la toma de decisiones de los directivos institucionales. El objetivo fue caracterizar la identidad vocacional del nivel inicial y terminal de los estudiantes de las siete carreras de la Facultad de Filosofía, de la Universidad Central del Ecuador, periodo 2022. Se realizó una revisión conceptual de la identidad vocacional y metodológicamente la investigación se basó en el positivismo, enfoque cuantitativo, ex post facto de tipo transversal, comparativo. La población estuvo compuesta por 941 estudiantes de siete carreras de la Facultad. Como instrumento de investigación se empleó la escala de Identidad Vocacional. Se encontró que hay diferencias estadísticamente significativas en la identidad vocacional entre el nivel inicial y terminal, así mismo por la variable sexo, los hombres tienen mayor identidad vocacional que las mujeres, la carrera Pedagogía de las Ciencias Experimentales de la Matemática y Física, y, la carrera de Historia y Ciencias Sociales tuvieron los mayores niveles de identidad vocacional, mientras que los puntajes más bajos de identidad vocacional se encontraron en la carrera de Psicopedagogía. Se concluyó que la identidad vocacional se afirma en la medida que avanzan los niveles de estudio. Los resultados apoyarán a establecer estrategias académicas para evitar deserciones, y mejorar el perfil de salida del futuro docente.
Current Clinical Evidence for Agents used in Acanthamoeba Keratitis: Systematic Literature Reviews
Authors: H. Bodicoat Danielle , Papa Vincenzo , Alves Rita , Arteaga Duarte Angela , Tofani Luca
Published: January 2024

To describe the evidence for agents with anti-amoebic activity used to treat Acanthamoeba keratitis (AK), two systematic literature reviews (SLRs) were conducted of 1) clinical outcomes for patients with AK and 2) health economic outcomes for patients with AK or microbial keratitis (MK). The intervention of interest was any agent with anti-amoebic activity administered as eye-drops or orally. The main outcome was clinical resolution. Electronic databases (January 1992-July 2022), conference abstracts (2017-2022), and relevant websites were hand-searched. Risk of bias assessments used external assessment tools. A narrative synthesis was conducted. The clinical SLR (37 studies; 2043 patients) identified at least 20 studies reporting clinical resolution, best-corrected visual acuity, and corneal surgery; fewer studies reported other outcomes. Treatment regimes, outcome definitions and assessment timing varied markedly between studies. Studies classified as fair or poor quality appeared to underestimate the burden of AK compared with good quality studies. For health economic outcomes (15 studies; 1878 patients), very limited evidence in AK populations was found. In conclusion, there was a substantial amount of clinical evidence, but scarce economic evidence. Study quality and comparability challenges should be considered when estimating the impact of AK, with substantial between-study heterogeneity limiting options for robust evidence synthesis.
Remote Warfare with Intimate Consequences: Psychological Stress in Service Member and Veteran Remotely-Piloted Aircraft (RPA) Personnel
Authors: Davin Norrholm Seth , Maples-Keller Jessica L. , Rothbaum Barbara O. , Tossell Chad C.
Published: January 2024

The use of remote piloted aircraft (RPAs) has been a part of military operations for decades and this type of service can present its own unique constellation of combat experiences and psychological consequences. The RPA crewmember experience has typically involved surveillance, targeting, striking, and after-battle assessments of individuals of interest to a host country or agency from a distance that can span several thousand miles. These operators are engaged in physically remote activities that carry a significant degree of intimacy due to the live, high-resolution, high-fidelity images and sounds that are available to the combatants in real-time. The potential psychological consequences of this type of military occupational specialty can include the symptoms of depression, anxiety, and posttraumatic stress disorder (PTSD) as well as moral injury, mental exhaustion or burnout, and disturbed sleep. The following narrative review examines the current state of RPA warfare from a psychological trauma perspective with an emphasis on the evolution of the inherent technology, the operator force, the psychological experiences and consequences of this type of service, and potential preventative interventions for servicemembers. A key objective of this narrative review is to integrate the available peer-reviewed empirical data, experiential military perspectives and analyses, clinician observations from this unique population, and exemplar reports from those with lived experience on an RPA crew regarding psychological consequences of this military occupational specialty.
Antibacterial Activity Test of the Combination of Methanol Extract of Arumanis Mango Leaves (Mangifera indica L) and Taro Leaves (Colocasia esculanta L) on Escherichia coli Bacteria Causes of Diarrhea Diseases
Authors: Kumalasari Siska , Fitriyati Laeli , Rahayu Titi Pudji , Kiromah Naelaz Zukhruf Wakhidatul
Published: January 2024

Arumanis mango leaves (Mangifera indica L) and taro leaves (Colocasia esculanta L) are plants that have the potential to be antibacterial and can be used as an alternative to treat infectious diseases caused by bacteria. Arumanis mango leaves contain secondary metabolite compounds, including flavonoids, alkaloids, steroids, polyphenols, tannins, and saponins, and taro leaves contain secondary metabolite compounds in the form of saponins, tannins, flavonoids, formic acid, glucosides, citric acid, and several minerals. Secondary metabolite compounds that have potential as antibacterials are flavonoids and tannins. This study aims to determine the antibacterial activity of a combination of methanol extracts of arumanis mango leaves (Mangifera indica L) and taro leaves (Colocasia esculanta L) against Escherichia coli bacteria. The research was carried out starting from the plant determination and preparation of simplisia, extraction, phytochemical screening of extracts and KLT tests, and antibacterial testing using the disc paper method. The concentration series of extract combinations used are 6.25%, 12.5%, and 25%. The antibacterial test results of the combination of arumanis mango leaf extract (Mangifera indica L) and taro leaf (Colocasia esculanta L), which showed the highest inhibition zone diameter was at a concentration of 6.25% (1:1), a concentration of 12.5% (1:2). At a concentration of 25% (2:1). From the results of this study, a single extract of arumanis mango leaves and taro leaves with a concentration of 6.25%; 12.5%; 25% and a combination of extracts in a ratio of 1:1. 1:2, 2:1, which has potential antibacterial activity against Escherichia coli bacteria, so that further research can be carried out by utilizing a combination of arumanis mango leaf extracts and taro leaves and as a source of information and insight into the combination of arumanis mango leaves and taro leaves that have antibacterial properties.
Assessment: The Quality of Instrument to Measure Student’s Scientific Attitude (SSA) based on Content Validity and Empirical Testing
Authors: Kurnianto Alexander Andi , Mundilarto Mundilarto
Published: January 2024

This research aims to determine the questionnaire quality based on: (1) content validity, and (2) empirical testing. The research was research and development using the 4-D model (defining, designing, developing, and disseminating stage). The instrument validation was conducted by an instrument expert, two physics teachers, and five peer reviewers. The subject of empirical testing was 206 students of class XII IPA SMAN 6 Yogyakarta in the 2019/2020 school year. The research instrument was a questionnaire of student’s scientific attitude (SSA) that consists of 20 statement items. The data were analyzed using the raw scale for content validity of the SSA questionnaire, and Product Moment Pearson for empirical testing validation using SPSS 16, and Cronbach’s Alpha value to determine the reliability. The results show that (1) all items of the SSA questionnaire meet content validity with raw scale score between 3.75 and 4, which means on excellent category; (2) the SSA questionnaire meet empirical validity with Product Moment Pearson r between 0.186 and 0.595; all r > rtable: 0.138 (n=206; α = 0.05), and meet reliability with Cronbach’s Alpha value between 0.724 and 0.756; all value > 0.60; which means the SSA questionnaire are feasible to use based on empirical testing
Integrated Pest and Disease Management (IPDM) Module for Major Insect Pest Thrips and Diseases of Onion (Allium cepa var. aggregatum)
Authors:   1Regional Research Station, TNAU, Vriddhachalam-606 001, Cuddalore District, Pandiyan Indiragandhi , Ayyathurai Vijayasamundeeswari ,   2Horticultural College and Research Institute, TNAU, Periyakulam-625 604, Theni District, Ramesh Vimala ,   3Cotton Research Station, TNAU, Srivilliputhur-626 125, Virudhunagar District
Published: January 2024

In the validation of IPDM module (Seed treatment with thiophanate methyl) @ 2.5 g kg-1 seed, soil application of Bacillus subtilis @ 1.25 kg ha-1 + Trichoderma asperellum @ 1.25 kg ha-1 + VAM fungi @ 12.5kg ha-1 + Azophos @ 4kg ha-1 + neem cake @ 250 kg ha-1 + blue sticky traps (20 traps per 0.4 ha at 30 cm height above the onion plant) + need based application of tebuconazole @ 1.5 mL l-1 for purple blotch disease management + need based application of (3.3% mefenoxam + 33.1% chlorothalonil SC 0.1 %) followed by 23.4% mandipropamid SC 0.1% for downy mildew management + fipronil 5% SC @ 1.0 mL l-1 for thrips) against thrips and major diseases of onion revealed significant reduction of purple blotch (10.7 PDI) downy mildew (6.1 PDI), twister blight (11.1 PDI) and thrips population (1.76 nos leaf -1) as against 25.0, 24.2,11.3 and 4.6 respectively in control. In the farmer's practice, the disease, severity, and thrips population recorded were 16.9 PDI, 8.7 PDI, 16.6 PDI, and 3.28 nos leaf -1, which emphasizes the effectiveness of the IPDM module. The reduction of the disease severity and thrips population over control in the IPDM module was 57.20%, 46.01%, 54.13 %, and 61.73 %, recording an economic return of 1:3.12. Hence, the validated IPDM module may be recommended to manage thrips, purple blotch, downy mildew and twister blight in onion to reduce the use of chemical pesticides
Memória e Paisagem: Entre diálogos da da Cultura e Ressignificação nos Arcos da Lapa, Rio de Janeiro.
Authors: Silva Renan Ilario
Published: January 2024

O presente artigo se baseia no Trabalho Final de Graduação Memória e Paisagem: Museu-Escola de Samba nos Arcos da Lapa, Rio de Janeiro e contribuições de vivências do grupo de estudo de Horta e Paisag
Inflação brasileira a partir do advento da pandemia e as limitações do regime de metas de inflação: uma abordagem pós keynesiana
Authors: Sampaio Adriano Vilela , Weiss Mauricio Andrade
Published: January 2024

Este artigo tem como foco a inflação brasileira desde o início da pandemia da Covid19, apontando os componentes que mais contribuíram para sua alta. Além disso, analisa-se a atuação do Banco Central do Brasil no arcabouço do regime de metas de inflação e são apresentadas propostas para uma atuação mais efetiva no combate às maiores fontes de pressão inflacionária recente. Como principais conclusões tem-se que a inflação recente decorre principalmente de choques de oferta, que o combate à inflação deve fazer uso de diferentes instrumentos e não deve ser atribuição exclusiva do BCB, mas uma estratégia coordenada de diversos órgãos do Estado.
O fim do teto de gastos, novo arcabouço fiscal e a possibilidade de “incluir o pobre no orçamento” no governo Lula: os limites do desenvolvimento sob o estranho consenso macroeconômico
Authors: Silva Ian José Horta Gois da , Malta Maria Mello de
Published: January 2024

Este trabalho tem como objetivo investigar os fundamentos políticos e econômicos da atual orientação dos gastos públicos associado ao Novo Arcabouço Fiscal (NAF). Neste sentido, busca-se identificar as questões da conjuntura política que provocaram e limitaram tal proposta em substituição da Emenda Constitucional do teto de gastos como orientação normativa da política fiscal no Brasil desde o 3º Governo Lula. Ao mesmo tempo, faz-se o levantamento da discussão da base teórica que sustenta este tipo de proposta que vem se espraiando como se fosse referência de política econômica incontornável. Finalmente, o trabalho procura questionar como este tipo de política poderia ou não cumprir o compromisso político de “colocar o pobre no orçamento” no sentido de ampliar a ação estatal em prol do desenvolvimento econômico e da melhoria da condição de vida dos trabalhadores brasileiros.
Maria da Conceição Tavares e a contribuição a partir da periferia para o campo da Economia Política Internacional
Authors: Pereira Carla Curty do Nascimento Maravilha
Published: January 2024

Que Maria da Conceição Tavares é um dos maiores nomes da história do pensamento econômico brasileiro e latino americano é um fato inconteste na área. Atualmente, sua obra tem sido amplamente estudada e abordada, como também os desdobramentos e influências de sua obra. No entanto, um importante campo em que a autora contribuiu de maneira significativa que é pouco abordado no processo de historiografar seu pensamento, é o da economia política internacional. O que é peculiar, porque a análise de Tavares sobre a Economia Política Internacional, que remonta aos anos 1980, é fortemente inovadora e perspicaz dentro deste campo, em especial, levando-se em consideração o estado da arte do campo naquela época. Neste artigo, pretende-se abordar os principais elementos da análise de Tavares sobre a Economia Política Internacional, destacando suas contribuições inovadoras ao campo e também o fato desta perspectiva ser uma análise forjada na periferia do capitalismo. Considera-se que o fato de ser uma análise sobre hegemonia e capitalismo e seus desdobramentos feita a partir da periferia do capitalismo em um período de crise e de rearticulação das relações entre esta periferia e os EUA seja um dos elementos que traz à sua análise este potencial inovador.
APROVEITAMENTO DE CRÉDITO DO ICMS SOBRE O ATIVO IMOBILIZADO NO ESTADO DE RONDÔNIA
Authors: Freitas Jéssica Jeane Batista Martins , Bertocco Cleiton Luiz de Souza , Baptista Fabiana Holler
Published: January 2024

Este artigo tem como objetivo principal discutir o diferencial de alíquotas e o aproveitamento de créditos do Imposto sobre Circulação de Mercadorias e Prestação de Serviços (ICMS) no Estado de Rondônia. Além disso, busca esclarecer os procedimentos corretos para o aproveitamento de créditos sobre os Ativos Imobilizados adquiridos pelas empresas. Para tanto, foi necessário caracterizar os principais conceitos que envolvem o ativo imobilizado, identificar os benefícios fiscais proporcionados às empresas que adquirem seus ativos e demonstrar os procedimentos legais para o aproveitamento de crédito do ICMS. A metodologia utilizada para alcançar o resultado foi a pesquisa teórica que envolve a análise da legislação e jurisprudência. Embora o procedimento seja complexo, o planejamento e conhecimento buscam melhorar financeiramente as empresas, uma vez que o crédito apurado é debitado sobre o imposto a pagar no referido mês. Este estudo procura saber qual a forma correta que ocorre esse aproveitamento de crédito sobre os ativos imobilizados e em que momento pode ser utilizada. Embora o assunto seja complexo, é de grande relevância para os profissionais de contabilidade e empresas que realizam operações interestaduais, já que é preciso atenção redobrada aos detalhes da legislação vigente. Esperamos que este artigo possa contribuir para um melhor entendimento do tema e auxiliar na tomada de decisões relacionadas ao aproveitamento de créditos do ICMS.
Palavras-chave: Crédito. Aproveitamento. ICMS.