bluuebunny/crossref_metadata_2025 huggingface dataset:
Escherichia coli Fermentation and GFP Production by using the Eppendorf BioFlo®120 Bioprocess Control Station
Authors: Muddani Sri Ranjitha , Saladula Sruthi
Published: December 2024

This article is an examination of a bioprocess experiment involving the cultivation of a GFP-expressing strain of Escherichia coli using the BioFlo®120 bioprocess control station. The BioFlo 120 is a bench-scale bioreactor/fermentor system perfectly suited for all levels of research and development. The study highlights the capabilities of the BioFlo®120 in supporting high-density growth and protein production. There is two key parameters were monitored to assess the progress of the fermentation process, the optical density (OD600) to estimate cell density and relative fluorescence units (RFU) to quantify the green fluorescent protein production. Additionally, it discusses the Auto Culture modes, which enable automatic process control of common microbial and mammalian cultures, making it accessible for users with varying levels of experience. The application note also delves into the differences between batch, fed-batch, and continuous fermentation processes, with a focus on E. coli fermentation at bench scale. It covers various aspects such as biomass and nutrient concentration analysis methods, including growth rate, productivity, yield, and process costs. This comprehensive approach provides valuable insights for bioprocess engineers in selecting the most suitable fermentation method for their specific requirements. This article explores the positive outcome for bioprocess engineers and researchers who aim to optimize bio-production systems for industrial or research purposes.
Peran Taruna Sebagai Agen Indonesia Youth Road Safety Warrior Guna Peningkatan Pemahaman Remaja Tentang Safety Riding
Authors: Eka Suartawan Putu , Mardikawati Budi
Published: December 2024

The increase in the number of accidents is caused by human error. The aim of the cadets' activities as agents of the Indonesian Youth Road Safety Warrior is to receive and continue driving safety material through campaign activities. The method is direct socialization. The target of the campaign is 35 students from State High School 1, Kediri, Tabanan-Bali. Before implementation, cadets took part in driving safety training in Sidoarjo, accompanied by instructors from Astra Honda Motor and Bali Land Transportation Polytechnic Lecturers. Furthermore, the material is distributed through driving safety campaigns. Material includes inspection, equipment, body posture when driving, and accident factors. The implementation of the campaign takes the form of providing a pretest, material, posttest, and practice in the field. The results obtained showed that the cadets were able to receive and transmit the driving safety material well. The students' enthusiasm was visible, and there was a significant difference between the pretest and posttest scores using the Wilcoxon test. Increasing student understanding is an indication of the success of the cadets' role as Indonesian Youth Road Safety Warrior agents.
Efektivitas Metode Pembelajaran Baca Tulis Al-Qur’an (BTQ) Terhadap Kemampuan Membaca Al-Qur’an santri Cilik TPQ Darunnajah Jakarta
Authors: Sofwan Manaf  , Rokimin  , Bayu Arif Mahendra  , Romidi
Published: December 2024

Abstract
This research aims to determine the effectiveness of the Al-Qur'an Reading and Writing Learning Method (BTQ) on the Al-Qur'an Reading Ability of the young students of TPQ Darunnajah Jakarta, the method used, as well as supporting and inhibiting factors for the Al-Qur'an Reading and Writing program . The methodology used is descriptive qualitative, specifically involving the description of observed events. The goal is to extract information that will form the basis of conceptual design. Information is obtained from official sources such as reference books, magazines, documents, and laws. Data collection methods were obtained by observation, documentation and interviews with TPQ Darunnajah. This research determines that the effectiveness of reading and writing the Al-Qur'an has a positive impact on improving the Al-Qur'an reading skills of TPQ Darunnajah students so that it is classified as effective. The effectiveness of the Al-Qur'an Reading and Writing curriculum at TPQ Darunnajah can be seen from its ability to significantly increase students' fluency in reading the Al-Qur'an. The technique used is the Ummi method. Consistency in program implementation is the main supporting component, even though there are many obstacles. An obstacle that hinders progress is the limited time allocated for studying at educational institutions.
Transformasi Strategi Pengadaan Fasilitas Belajar untuk Mendukung PJJ pada Masa Pandemi di Pesantren Mahasiswa Teknologi Informasi dan Komunikasi Depok
Authors: Agnesya Wulantika  , Dudun Ubaedullah
Published: December 2024

Over the past year, the educational landscape has undergone significant shifts in response to the global pandemic. Limitations on physical interaction and efforts to reduce the spread of the virus have compelled educational institutions to transition to a Distance Learning (DL) model. This study focuses on the transformation of procurement strategies for learning facilities to support DL during the pandemic. A qualitative method was utilized, taking a case study approach in five leading educational institutions in Indonesia.The findings indicate that there are three main factors that are the focal points in procuring learning facilities for DL: technology, accessibility, and quality of learning materials. Technology serves as the backbone of DL, but its provision must be balanced with equitable accessibility for all students. Therefore, procurement strategies involve collaborations with technology service providers, the government, and the community to ensure every student has access to learning tools. Moreover, the quality of learning materials also becomes pivotal, given the dynamics of DL which require curriculum and teaching method adjustments.This research recommends that educational institutions consider cross-sectoral partnerships in their procurement strategies and ensure adequate training for educators in using the new learning facilities. Through this procurement strategy transformation, it is hoped that education can remain effective and inclusive amidst the pandemic challenges.
Improving Communication with Financial Consumers: Insights from a Study of Phone Call Phobia
Authors: Heo Wookjae , Liu Yi , Lee Jae-min
Published: December 2024

A phone call phobia is a symptom of avoiding real-time communication that ranges from mild nervousness to a debilitating fear of making or receiving phone calls. The situation of avoidance of real-time communication, including phone call phobia, can potentially influence personal finance, particularly if it limits an individual's ability to communicate effectively with not only family, friends, and employers but also financial service providers. As the COVID-19 pandemic has affected ways of socializing and communicating, it is important to understand the situation and related factors of phone call phobia. This study, therefore, examined factors related to three types of phone call phobia (employer, family, and friends) and six types of communication preferences (face-to-face, phone calls, letters, email, text messaging, and online messaging apps). Using data from an online survey conducted in 2021, this study considered a list of comprehensive factors, including psychological factors, financial-psychological factors, financial status, job-related factors, health-related behavior, and demographic factors, in ordered logistic regression and seemingly unrelated regression estimation models. The findings provide insights to improve communication between financial consumers and financial services providers.
PREVALENCIA Y FACTORES ASOCIADOS A LA HIPONATREMIA EN ADULTOS MAYORES DEL AÑO 2016 AL 2018, EN EL HOSPITAL ALCIVAR.
Authors: Yperti Intriago María José
Published: December 2024

La hiponatremia es un trastorno electrolítico frecuente entre pacientes adultos mayores, esta población en particular tiene predisposición intrínseca ligada a los cambios fisiológicos relacionados con el envejecimiento o que esté asociada a enfermedades concomitantes y la medicación que el paciente reciba, además es un factor pronóstico para su hospitalización.MATERIALES Y MÉTODOS: se realizó un estudio retrospectivo que permitió identificar la prevalencia y los factores asociados a la hiponatremia. Para ello se revisaron las historias clínicas de paciente que se atendieron en el Hospital Alcívar, partiendo de un universo de 500 historias clínicas desde enero del 2016 a diciembre del 2018, obteniendo un total de 74 pacientes que cumplieron los criterios de inclusión para el estudio.RESULTADOS: Se trabajó con 74 adultos mayores de los cuales el 55,51% pertenece al género femenino, como antecedente patológico el 66,22% del total de pacientes padecía de hipertensión arterial, pero a su vez se documentó 2 o más patologías concomitantes, la gastroenteritis 43,24% fue el diagnóstico más común a su ingreso que podría estar en relación a su hiponatremia, el tipo de hiponatremia más común fue leve con el 52,7% y la tasa de mortalidad de estos pacientes fue del 5,41%.CONCLUSIONES: Existen pocos estudios en el Ecuador acerca de la hiponatremia en los adultos mayores, pero es de vital importancia reconocerla, diagnosticarla y tratarla a tiempo, para evitar desenlaces fatales, además de prevenirla ya que una de las causas en nuestro estudio fue la gastroenteritis, entre otras patologías.
Percepciones del valor histórico y arquitectónico de puentes peruanos: Perspectivas de mantenimiento y aplicación de los requisitos del método AASHTO-LRFD
Authors: Godiño Poma Francisco Cyl
Published: December 2024

La preservación y el mantenimiento de puentes históricos en Perú son esenciales para garantizar la seguridad estructural y la continuidad del patrimonio cultural. Sin embargo, muchos de estos puentes enfrentan desafíos significativos debido a su deterioro por factores ambientales y la falta de un enfoque sistemático para su conservación. Un análisis de cinco puentes históricos reveló que el Puente Bolognesi y el Puente Fierro obtuvieron un 90,55% de respuestas favorables en la categoría de Historia, destacándose por su antigüedad y técnicas constructivas, aunque presentan vulnerabilidades sísmicas significativas. El Puente de los Suspiros alcanzó un 88,98% en Popularidad Turística, pero mostró deficiencias en su resistencia. En términos de capacidad estructural, el Puente Bolognesi tiene una frecuencia natural de 2,3 Hz y un desplazamiento máximo bajo carga, lo que indica una buena estabilidad. El Puente Reque, más moderno, mostró una frecuencia natural de 5,2 Hz y desplazamientos mínimos, cumpliendo con los estándares AASHTO-LRFD. Estos generan la necesidad urgente de intervenciones específicas para mejorar la resistencia sísmica y asegurar la preservación del patrimonio arquitectónico. Además, se realizó un análisis estático lineal que demostró que todos los puentes cumplen con los criterios de servicio establecidos por AASHTO, evidenciando deformaciones dentro de límites aceptables. La simulación bajo condiciones reales de carga vehicular confirmó que los puentes pueden soportar el tráfico actual y futuro sin comprometer su integridad estructural.
El Turismo y Seguridad Integral en América Latina: Una Revisión sistemática
Authors: Infante Rivera Lipselotte
Published: December 2024

El artículo “El Turismo y Seguridad Integral en América Latina: Una Revisión sistemática” tiene como objetivo general analizar la relación entre el turismo y la seguridad integral en la región, identificando los desafíos y estrategias para mejorar la percepción de seguridad en los destinos turísticos. La metodología utilizada fue una revisión sistemática siguiendo las directrices del protocolo PRISMA, lo que permitió una recopilación exhaustiva de estudios relevantes sobre el tema. Los resultados más importantes indican que la seguridad integral es un factor determinante en la elección de destinos turísticos, ya que una percepción negativa de seguridad puede afectar significativamente el flujo de visitantes. Además, se encontró que los destinos que implementan políticas efectivas de seguridad tienden a atraer más turistas y a mejorar su competitividad en el mercado global. La conclusión más relevante del estudio es que, para potenciar el turismo en América Latina, es crucial adoptar un enfoque colaborativo entre los sectores público y privado, donde se prioricen estrategias integrales de seguridad que no solo protejan a los turistas, sino que también promuevan un ambiente seguro y acogedor para todos. Este enfoque no solo contribuiría al crecimiento del sector turístico, sino que también impulsaría el desarrollo económico y social de las comunidades locales.
Evaluación de resultados del concurso de matemática y realidad cañetana 2024
Authors: Amidón Ortíz Carlos , Ñañez Silva Miriam Viviana , Bueno Ramón Osorio Alberto , Asto Huaman Leonidas , Iberico Díaz Marcia Adriana
Published: December 2024

El "I Concurso de Matemática y Realidad Cañetana 2024" se llevó a cabo con el objetivo de evaluar el rendimiento académico de estudiantes de secundaria en matemáticas y analizar las brechas existentes entre la educación en la región de Cañete. El estudio, de enfoque cuantitativo y diseño descriptivo, incluyó a 137 participantes de diversas instituciones educativas, seleccionados mediante invitación abierta. Se utilizó un cuestionario estructurado, validado por expertos, que abordó tanto el rendimiento en matemáticas como aspectos relacionados con la identidad cultural y el contexto socioeconómico de los estudiantes. Los resultados mostraron un rendimiento heterogéneo, con un promedio general del 65%. Las competencias evaluadas revelaron que los estudiantes destacaron en geometría (87%) y en la sección de realidad cañetana (94%), mientras que las áreas de aritmética y razonamiento matemático presentaron rendimientos más bajos (65.30% y 67%, respectivamente). Además, se identificaron diferencias significativas en el rendimiento según el grado y la condición socioeconómica de los concursantes. Estos hallazgos resaltan la necesidad de implementar metodologías pedagógicas innovadoras que conecten el aprendizaje matemático con la realidad cultural local, lo que podría aumentar la motivación y el interés de los estudiantes. Asimismo, se destaca la importancia de abordar las brechas educativas para mejorar la enseñanza de las matemáticas en la región, contribuyendo al desarrollo educativo y al empoderamiento de los estudiantes a través de un aprendizaje significativo y contextualizado.
Sistema práctico para el registro contable de operaciones financieras por el procedimiento de Inventarios perpetuos o constantes
Authors: Enríquez Corona Rocío , Velázquez Rodríguez Ángel Francisco , Terán y Ramos Rodolfo , Reyes Aburto Mary Carmen , González Guerrero Myriam
Published: December 2024

El sistema práctico para el registro contable de operaciones financieras por el procedimiento de inventarios perpetuos o constantes, tiene la finalidad de dar a conocer la forma de registro de las operaciones contables financiera de las empresas, de una forma más práctica, llevando al lector a desarrollar las operaciones con el uso de este, el cual puede ser utilizado para explicarle a quien no tiene conocimiento de proceso contable de una manera más usual, también aplicaría a los estudiantes de la profesión contable, en el desarrollo de sus conocimientos en el área en los primeros semestres de su carrera profesional.
Raül Andero Galí: Bridging animal and human studies to understand stress and memory
Authors: Galí Raül Andero
Published: December 2024

From pianist to pioneering neuroscientist, Dr. Raül Andero Galí brings a unique perspective to his role as ICREA (Institució Catalana de Recerca i Estudis Avançats) Research Professor at the Autonomous University of Barcelona (Universitat Autònoma de Barcelona). Following his PhD in Neuroscience, earning the Extraordinary Doctoral Prize, he worked alongside Dr. Kerry Ressler at Emory University's Howard Hughes Medical Institute, pioneering innovative approaches that bridge mouse and human studies in fear research. After a productive tenure as an Instructor in Psychiatry at McLean Hospital-Harvard Medical School, he established his laboratory at UAB in 2016, where he continues to break new ground in understanding how stress shapes fear memory formation. His laboratory uniquely combines sophisticated techniques, from in vivo calcium imaging in mice to human fear response studies, focusing on how sex differences and hormonal cycles influence fear processing. Through this work, his team is uncovering new possibilities for treating anxiety disorders and PTSD, offering hope for more targeted therapeutic approaches. Beyond the bench, Professor Andero has cultivated an intellectually stimulating laboratory environment that reflects his broader vision for advancing neuroscience through comparative studies. We are pleased that he completed the Genomic Press Interview, offering our readers valuable insights into both his scientific journey and personal philosophy that drives his innovative research forward.
Impacto do Estresse Acadêmico na Variação da Pressão Arterial de Estudantes Universitários - Uma Revisão bibliográfica
Authors: Kersul Letícia Aguiar da Silva , Otaviano Divino José , Da Silva Lincoln Aguiar
Published: December 2024

Este estudo explora o impacto do estresse acadêmico na variação da pressão arterial de estudantes universitários, enfatizando como os fatores comportamentais e fisiológicos da vida acadêmica afetam a saúde cardiovascular. A revisão da literatura analisou 10 artigos relevantes nas bases de dados PubMed e SciELO. O estresse acadêmico é causado por pressões de desempenho e sobrecarga de atividades, gerando hábitos prejudiciais, como alimentação inadequada, consumo excessivo de cafeína, privação de sono e sedentarismo. Esses comportamentos pioram a resposta fisiológica ao estresse, ativando o sistema nervoso simpático e liberando hormônios, o que eleva a pressão arterial. A exposição prolongada a esse estresse pode levar à hipertensão e aumentar o risco de doenças cardiovasculares. Estratégias como atividade física, dieta equilibrada e rotinas de sono saudáveis são recomendadas para mitigar os efeitos negativos do estresse acadêmico. O estudo destaca a importância do apoio institucional e de programas de saúde mental para promover o bem-estar dos estudantes e reduzir os riscos cardiovasculares.
The Impact of Technology on the American Academy
Authors: Kushner Harvey W.
Published: December 2024

This article traces the growth of technology over the last 75 years within colleges and uni- versities within the United States. Particular attention is paid to the impact of Y2K and the COVID-19 pandemic on technological advances employed by institutions of higher education. The impacts of artificial intelligence and ChatGPT are also explored in detail with suggestions for their effective employment. The article concludes with a rather dire warning.
The Role of Artificial Intelligence on the Evolution of Accounting
Authors: Haq Izhar
Published: December 2024

Artifical intelligence nowadays is attracting the focus of both academics and practitioners due to its contrubtion in achieving major changes in business environment. Public accounting as field has benefited a lot from machine learning. Thus, this article aims to highlight the importance and influences of artifical intelligence on accounting. To achieve this aim, this article started with giving a brief overview about artifical intelligence and its evolution over time. This overview helps in showing the power of artifical intelligence and how it attracted investments of billion of dollars due to its leading role in reducing business costs and providing business solutions. Furthermore, the article identifies how artifical intelligence works as this helps accountants to better undertsand machine learning and identify how it can be optimally used in the field of accounting to get the best results. However, to be widely used in the field of accounting, major investments are required and this is one of the obstacles that faces regional small and mid-sized firms that do not have the required resources to effectively implement artifical intelligence. However, the availablity of pre-packaged applications that are offered by big companies such as Google and Amazon can enable small and mid-sized firms to benefit from artifical intelligence. Nonetheless firms will need to train their labor force to benefit from artifical intelligence. Despite the fact that artifical intelligence can help accounting professionals to perform their jobs more efficiently and eliminate reptitive tasks, it is important to note that maching learning cannot eliminate the accountants’ role. Artifical intelligence in the accounting field enables accountants to provide their companies with tecnhologies that can save time, increase the efficiency of tasks, reduce costs and help accountants focus more on value-adding activities.
Zasady i przebieg wsparcia studentów z niepełnosprawnościami na polskich uczelniach wyższych
Authors:   Instytut Socjologii Uniwersytet Jagielloński w Krakowie, Butkiewicz Sylwia
Published: December 2024

Studenci z niepełnosprawnościami stanowią integralną część społeczności studenckiej
na większości polskich uczelni wyższych. W celu zapewnienia konstytucyjnego prawa do edukacji
z poszanowaniem zasady równości, uczelnie zobowiązane są do podejmowania działań
mających wspierać studentów z niepełnosprawnościami oraz zapewniać dostępność wszystkich
aspektów działalności uczelni.
Niniejsza praca podejmuje zagadnienie działalności jednostek odpowiedzialnych za realizację
wsparcia studentów z niepełnosprawnościami na polskich uczelniach publicznych i niepublicznych.
Badanie zostało przeprowadzone metodą ilościową, natomiast techniką badawczą
był wspomagany komputerowo wywiad przy pomocy strony WWW (Computer-assisted web
interviewing, CAWI). Dokonano analizy działalności uczelnianych jednostek świadczących
wsparcie studentom z niepełnosprawnościami w zakresie funkcjonowania oraz dostępności
(architektonicznej, procesu kształcenia, proceduralnej, komunikacyjno-informacyjnej, społecznej)
uczelni. Wyniki przeprowadzonych analiz wskazują, iż badane jednostki świadczące
pomoc studentom z niepełnosprawnościami oferują liczne instrumenty wsparcia oraz podejmują
aktywny wysiłek w celu zwiększenia jakości oraz rozszerzenia oferty świadczonych usług.
“É tempo de co-criação?”: Percepções de pessoas idosas em programas públicos de inclusão digital
Authors: Chiarelli Tássia Monique , Sathler Tavares Batistoni Samila
Published: December 2024

O estudo analisou as percepções de pessoas idosas em programas educativos de inclusão digital de uma política pública federal. Utilizou-se a Análise de Bardin para criar categorias com base nos trechos de Grupos Focais. Manter-se em aprendizagem e atualização foram motivações dos participantes, que avaliaram a necessidade de módulos avançados de tecnologia. A participação das pessoas idosas pode tornar as políticas mais eficazes, incentivando a co-criação de soluções e a aprendizagem ao longo da vida.
Análise de reprodutibilidade do teste de cálculos do ábaco em pessoas idosas saudáveis
Authors: Dos Santos Gabriela , Nascimento Ordonez Tiago , Alves Costa Laydiane , Antunes de Souza Maria Antônia , Pereira Cardoso Neide , Prata Lessa Patrícia , De Moraes Luiz Carlos , Bertolini Perpétuo Bárbara , Da Silva Sabrina Aparecida , Dos Santos Bacelar Diana , Maria Dozzi Brucki Sonia , Bento Lima da Silva Thais
Published: December 2024

Objetivou-se analisar a reprodutibilidade de um instrumento para mensurar a habilidade de cálculos mentais de pessoas idosas, testando sua especificidade e sensibilidade em teste e reteste. Foram avaliadas 207 pessoas idosas saudáveis, em um intervalo de seis meses. A amostra foi selecionada de acordo com critérios rigorosos e a análise estatística incluiu testes não-paramétricos. A análise do desempenho cognitivo da amostra revelou diferenças significativas entre o momento inicial (baseline) e após seis meses (T1). O estudo demonstrou que o instrumento possui boa reprodutibilidade e é adequado para monitoramento cognitivo. No entanto, os achados não demonstraram um efeito generalizado de transferência para habilidades cognitivas que não envolvem tipicamente processamento numérico ou visuoespacial.
Perfil das pessoas idosas participantes do Programa Vem Dançar
Authors: Mendes de Araujo Cardoso Dineia , Cardoso Filho Carlos Alberto , Ozello Gutierrez Beatriz Aparecida
Published: December 2024

Os objetivos foram descrever o perfil sociodemográfico, os níveis de atividade física (AF), a autoeficácia relacionada às quedas, e a qualidade de vida (QV) em pessoas idosas participantes do Programa Vem Dançar da Secretaria Municipal de Esportes e Lazer de São Paulo, além de avaliar associações entre essas variáveis. Observou-se que a maioria das participantes no Vem Dançar é mulher, sem cônjuge, com boa escolaridade, mas com renda familiar limitada. Ademais, são assíduos às atividades de dança, possuem alto nível de AF, mas boa parte possui uma alta preocupação de sofrer queda, sem associação significativa entre as variáveis.
The Problem of the Jurisprudential Concept in Islamic Banking Products
Authors: Khelladi Abdelmajid , Saida Boufaghes
Published: December 2024

This study delves into the intricacies of the concept and its multifaceted levels to examine the intermingling of certain financial transaction contracts, such as Al-wadīʻah (Deposit), Mudaraba (Speculation), and the concept of “Naqd” (Currency). The study analyzes the diverse ways in which these terms are employed, leading to a multiplicity of interpretations and, consequently, a divergence of legal rulings and a plurality of Islamic juristic opinions based on the understanding of these concepts and their applications.
Survival Of Megalithic Tradition: A Panoramic View of Primitive Tribal Burial Practices in Northern Kerala
Authors: Poyil Manjula
Published: December 2024

Kerala is a homeland of 36 (Census of India, 2021) diverse tribal communities better to call as ethnic communities inhabited chiefly on the foothills of the Western Ghats, and their material cultures vary from community to community, among these 36 communities 18 tribal Communities inhabited the Northern portions of Kerala. Though each ethnic community had its own life and culture, they followed the ways of their ancestors in their burial practices. Among this ethnic group, a few communities have been classified as primitive tribal due to their isolation from the rest of the communities and their old way of living especially in interment ritual observances and progenitor veneration. Here the evolution of the burial practices and ancestor–worship of the ‘primitive tribal group’ were analyzed against the backdrop of the early literary, oral tradition, and archaeological exploration conducted among these ethnic communities.
A Study on OTT Support Project and Policy Improvement Plan in Korea to Revitalize K-Drama; Focusing on France and Canada
Authors: KIM YOUN-SUNG
Published: December 2024

With the recent development of Internet technology and the rapid evolution of digital networks, various types of video content distribution platforms have emerged.[1] In particular, in the era of COVID-19, video contents such as Korean movies and dramas are growing with worldwide attention through the global OTT platform.[1] However, after COVID-19, the Korean media and content industries are experiencing more difficulties than ever in 2024, as they have not been able to cope with the global environment compared to the Korean media and content industries. Therefore, in preparation for the media and content industry environment, which has many variables and is constantly changing under the global environment, we would like to once again check the drama-related support policy currently implemented by the government and propose a plan to revitalize the K-drama industry.
Sistemas dinámicos. Caracterización y análisis
Authors:   CUCEI, Universidad de Guadalajara, Alanís García Alma Yolanda , Álvarez Carreón Jesús Gilberto ,   CUCEI, Universidad de Guadalajara
Published: December 2024

Esperamos que nuestros alumnos encuentren el mundo de los Sistemas Dinámicos tan fascinantes, como lo son para nosotros. Es por ello que hemos volcado en este libro uchos de los conceptos principales al respecto y que no es posible encontrarlos en un solo documento existente.
Este libro está colmado de ejemplos resueltos con el objetivo de darles, a nuestros alumnos, una amplia variedad de aplicaciones, tanto de sistemas lineales como no lineales, en tiempo discreto y en tiempo continuo, considerando cuatro aspectos esenciales de los sistemas dinámicos: modelado, controlabilidad, observabilidad y estabilidad. Así como una breve introducción a retroalimentación de estado y diseño de observadores.
Современные биотехнологии в растениеводстве: достижения и тренды развития
Authors: А.Д. Темралеева
Published: December 2024

Обзор посвящен основным современным технологиям растениеводства, направленным на получение высококачественных и экологически безопасных продуктов, а также на снижение потерь урожая и продуктивности, связанных с воздействием различных патогенов и вредителей. Обсуждаются преимущества и недостатки классической селекции, направленной на создание новых и улучшения существующих сортов растений преимущественно путем отбора и гибридизации, и генетическая модификация растений с конкретными примерами. Рассмотрены вопросы генетической паспортизации сельскохозяйственных культур, применения биоудобрений и биопестицидов, а также разработки эффективных тест-систем для диагностики их заболеваний.

The review is devoted to the basic cutting-edge crop production technologies aimed at obtaining high-quality and safe products, as well as the technologies able to reduce yield and productivity losses caused by pathogens and pests. The advantages and disadvantages of classical approaches to breeding plants, namely creation of new and improvement of the existing varieties through selection and hybridization, and genetic modification of plants are discussed. The genetic certification of agricultural crops, the use of biofertilizers and biopesticides, as well as the development of effective test systems for diagnosing plant diseases are considered.
Вязкость витрифицирующего раствора этиленгликоля в присутствии клатратообразующих газов Xe и Kr, измеренная методом динамического светорассеяния
Authors: Н.В. Пеньков , Н.Е. Крассова , Н.Э. Швирст , Е.Е. Фесенко
Published: December 2024

Текущее состояние криобиологии характеризуется интенсивным развитием методов криоконсервации, основанных на витрификации (стекловании) водной фазы замораживаемого объекта. Одной из актуальных проблем является поиск путей снижения концентрации витрифицирующих агентов (криопротекторов), обеспечивающих стеклование, с целью минимизации токсического воздействия на замораживаемые клетки или ткани. В данной работе предложен новый экспериментальный подход, позволяющий повысить вязкость витрифицирующих растворов за счёт насыщения их инертными газами. В основе повышения вязкости лежит процесс гидратообразования, реализующийся при низких температурах и приводящий к переходу части воды в кристаллы газового гидрата. Снижение общего содержания воды в растворе приводит к концентрированию витрифицирующего агента и повышению вязкости. В работе экспериментально подтверждено увеличение вязкости 56,4 об.% водного раствора этиленгликоля, реализуемое в условиях повышенного давления Xe (9 атм.) и Kr (50 атм.) в диапазоне температур от -20 до -40°С. Для измерения вязкости под давлением при низких температурах впервые был адаптирован метод динамического светорассеяния.

The present state of the art in cryobiology is characterized by the intensive development of cryopreservation methods based on the vitrification of the aqueous phase. One of the actual problem is the search for pathways of decreasing the concentration of vitrification agents (cryoprotectants) to minimize the toxic effect on cells and tissues being frozen. In the present work, a new experimental approach has been developed that makes it possible to increase the viscosity of vitrification solutions by saturation with inert gases. An increase in viscosity is based on the hydrate formation, which occurs at low temperatures and leads to the transition of part of the water into the gas hydrate crystals. A decrease in the total content of water results in an increase in the concentration of the vitrification agent and, as a consequence, an increase in viscosity. The work experimentally confirms the increase in viscosity of a 56.4 vol.% aqueous solution of ethylene glycol, realized under conditions of increased pressure of Xe (9 atm.) and Kr (50 atm.) in the temperature range from -20 to -40°С. The viscosity under pressure was measured by the method of dynamic light scattering with some modifications.
Epicuro y la música como propedéutica hacia la felicidad
Authors: Valdez Ortiz Dante Edmundo
Published: December 2024

Según la concepción de Epicuro el fin de la vida humana es la felicidad. Y para conseguir dicho fin no sería importante solo el cultivo de la filosofía, sino también el conocimiento de la música. Para ello es necesario sentir las ondulaciones de los sonidos, pues ellos causan sensaciones agradables y se convierten en cadenas de movimiento que van desde un emisor de sonidos a un sujeto sensible que los recibe. La acústica, la afinación y los efectos sonoros propician sensaciones que gravitan en el cuerpo y el alma. Son fuente de satisfacciones que contribuyen a la felicidad. Este artículo tiene tres partes. La primera explica la música como una cualidad sensible del cuerpo y del alma. La segunda explica cómo la música contribuye a la tranquilidad del alma y el cuerpo. La tercera expone la idea de la música como un placer catastemático y como impulsora de nuestros sentimientos básicos.
Niveles de ansiedad y evitación experiencial en servidores públicos
Authors: Benavides Paredes Sandra Anabel , Cueva Rubio María Augusta
Published: December 2024

La ansiedad se refiere a un sistema complejo de respuesta que involucra procesos cognitivos, fisiológicos y conductuales; por otro lado, la evitación experiencial es un fenómeno que consiste en evadir pensamientos, emociones o sensaciones desagradables en lugar de aceptarlos. El objetivo principal de esta investigación fue determinar la relación entre los niveles de ansiedad y evitación experiencial en servidores públicos. La muestra utilizada fue de 150 empleados de una institución pública del cantón Pelileo, provincia de Tungurahua. Se realizó un estudio cuantitativo - no experimental de corte transversal y alcance descriptivo-correlacional. Las variables se midieron a través del Inventario de Ansiedad de Beck (BAI) y el Cuestionario de Aceptación y Acción – II (AAQ-II). Los resultados arrojaron que existe una correlación positiva alta entre las variables (Rho=0.701 p<0.001). Por lo cual, se concluye que, a mayor nivel de ansiedad, se incrementa el grado de la evitación experiencial en los servidores públicos.
Kewarganegaraan dan Hak Asasi Manusia : Studi tentang Perlindungan Hukum bagi Orang tanpa Kewarganegaraan (Stateless Persons)
Authors: Ashfiya Nur Atqiya  , Ahmad Muhammad Mustain Nasoha  , Isnaini A sifa Rohmah  , Ahmad Abdul Aji Setiawan  , Davina Intan Nur Fadila
Published: December 2024

This study examines the legal protection for stateless persons within the framework of citizenship and human rights. The focus is on assessing the effectiveness of international legal frameworks and national policies in safeguarding the fundamental rights of individuals without citizenship. The research employs a qualitative analysis of key legal instruments, including the 1954 Convention Relating to the Status of Stateless Persons and the 1961 Convention on the Reduction of Statelessness, alongside case studies of policy implementation across various countries. The findings reveal that, despite a robust international legal framework, there are significant gaps in implementation and enforcement, leading to ongoing discrimination and human rights violations against stateless persons. The study recommends comprehensive policy reforms and enhanced international cooperation to improve legal protection for this vulnerable group.
ADAPTIVE REUSE AND PEOPLE’S PERCEPTION OF CONTEMPORARY NEEDS: TOWARDS A DECISION-MAKING PROCESS TO INCLUDE PEOPLE IN REPURPOSING CAIRO’S HERITAGE
Authors:   Department of Architecture, School of Sciences and Engineering, The American University in Cairo, New Cairo, Egypt, Abouelmaati Nada
Published: December 2024

Previous studies have shown a strong correlation between people’s positive perception of functions for adaptive reuse buildings with their historical compatibility. With the growing significance of adaptive reuse in the MENA region, an investigation of three case-studies in Cairo was undertaken to uncover (1) the different typologies of function interventions, (2) people’s perception of functions in conjunction with their façades and relevance, (3) enhance the design-making process to incorporate people’s perception prior to conservation practices. An interpretive study with a purposive sample for survey and semi-structured interviews was conducted in Cairo followed by enhancing a decision-making process for people’s inclusion. The three case-studies were selected to represent different interventions of adaptive reuse: Bayt El-Kretliya, a medieval courtyard house becoming a museum; Consoleya Building, the French Consulate in colonial Egypt during the 1930s becoming co-working space; Dar El-Kotob, governmental institution in late 19th century becoming a contemporary museum and library archives. People’s perception to Dar El-Kotob’s inner-functions was the highest due to a number of issues: (1) a hybrid combination of insertions, installations and intervention, (2) the building’s new narrative aligns with the original function, (3) affordability of access. Based on the investigation, four aspects are key to people’s perception of adaptive reuse buildings (1) harmony, (2) relevance, (3) evolutionary. An enhanced decision-making process for developing inner-functions of adaptive reuse buildings has been introduced incorporating the four issues of research contribution for future application.
PRESERVING HERITAGE IN THREADS: A STUDY OF ORANG ULU MOTIF ADAPTATION IN CONTEMPORARY ETHNIC WEAR CRAFTED BY SMES
Authors:   Faculty of Applied and Creative Arts, University Malaysia Sarawak, Malaysia, Hatef Jalil Marzie
Published: December 2024

The delicate balance between preserving the rich cultural legacy of Orang Ulu motif patterns and adapting them to current items of ethnic wear made by small and medium-sized enterprises (SMEs) is examined in this research. The study explores how Orang Ulu motifs are used in modern clothing production in Sarawak, Malaysia, acknowledging the importance of community involvement in documenting and organising this cultural legacy. While they need to be protected, these culturally significant designs must also be relevant in contemporary fashion due to modernisation and changing consumer preferences. This study aims to examine factors influencing consumers’ purchase behaviour regarding ethnic wear or cultural clothing made by SMEs. Cultural anthropology, design innovation and business development were used to examine how SMEs might preserve Orang Ulu culture. Interviews, surveys and design studies were employed to understand producer and customer preferences and expectations. Relevant variables were obtained from a literature review. This empirical study used a well-structured face-to-face and internet-based customer questionnaire to survey 194 respondents. SPSS software was used to analyse the data using ranking scale analysis, analysis of variance and Pearson's correlation. This research identifies several techniques for incorporating traditional Orang Ulu motif designs into contemporary ethnic clothing to help SMEs balance cultural preservation and market viability. The complex process of conserving cultural themes despite global developments is explored, emphasising the need for adaptation to maintain cultural identity in the global market. The research will help SME owners and entrepreneurs meet customer expectations and build brand loyalty. The study’s limitations include a small sample size and a focus on consumer behaviour towards transformative ethnic wear made by SMEs, so the results cannot be applied to other firm types. SMEs making transformative ethnic wear are crucial for economic diversification, particularly in developing nations like Malaysia.
Perceptions and preferences about family visitation restrictions and psychological distress among critical care clinicians in Brazil: results from a national survey
Authors: Sharma Monisha , Wahlster Sarah , Town James A. , Patel Pratik V. , Jannotta Gemi E. , Amorim Edilberto , Lewis Ariane , Greer David M. , Maia Israel Silva , Kross Erin K. , Creutzfeldt Claire J. , Lobo Suzana Margareth
Published: December 2024

ABSTRACT Objective: To explore the perceptions of healthcare workers in the intensive care unit about family visitation policies and to examine their impact on healthcare workers’ psychological distress. Methods: We disseminated an electronic survey to interdisciplinary healthcare workers via the Associação de Medicina Intensiva Brasileira during Brazil's most severe peak of COVID-19 (March 2021). We assessed perceptions of and preferences for family visitation policies and measured healthcare worker distress, including burnout, depression, anxiety, irritability, and suicidal thoughts using validated scales. We conducted multivariable regressions to evaluate factors associated with healthcare worker distress, including family visitation policies and healthcare workers’ concerns. Results: We included responses from 903 healthcare workers: 67% physicians, 10% nurses, 10% respiratory therapists, and 13% other. Most healthcare workers reported that their hospitals allowed no family visitation (55%) or limited visitation (43%), and only 2% reported allowing unlimited visitation. Most believed that limiting visitation negatively impacted patient care (78%), and 46% preferred allowing more visitation (which was lower among nurses [44%] than among physicians [50%]; p < 0.01). Approximately half (49%) of healthcare workers reported that limited visitation contributed to their burnout, which was lower among nurses (43%) than among physicians (52%), p = 0.08. Overall, 62% of healthcare workers reported burnout, 24% reported symptoms of major depression, 37% reported symptoms of anxiety, 11% reported excessive alcohol/drug consumption, and 14% reported thoughts of hurting themselves. In the multivariable analysis, family visitation policies (limited visitation versus no visitation) and preferences about policies (more visitation versus same or less) were not associated with psychological distress. Instead, financial concerns and reporting poor communication with supervisors were most strongly associated with burnout, depression, and anxiety. Conclusion: Half of healthcare workers self-reported that limited family visitation contributed to their burnout, and most felt that it negatively impacted patient care. However, family visitation preferences were not associated with healthcare worker distress in the multivariable regressions. More physicians than nurses indicated a preference for more liberal visitation policies.
Searching for the Causes of Chest-Falsetto Register Breaks under Anechoic Conditions
Authors: Svec Jan , Lehoux Sarah
Published: December 2024

The origin of the breaks between chest and falsetto registers has remained one of the most controversial themes in voice science. The search for the causes of register breaks is reminiscent of a detective story. Classically, the breaks have been thought to be a consequence of a sudden change in laryngeal muscle activity causing a sudden change of vocal fold tension and frequency of oscillation. Experiments with excised human larynges showed, however, that sudden chest-falsetto breaks can spontaneously occur also when the vocal fold tension is changed smoothly (1). An alternative theoretical explanation of such phenomena emerged in the 1990s with the introduction of the theory of nonlinear dynamics to voice science. This theory showed that the phonatory system behaves like a nonlinear dynamic oscillator, where the chest and falsetto registers can be viewed as two possible ways of oscillation (attractors) that are inherent to the vocal apparatus (1). Voice breaks can then be recognized as “bifurcation events“ in which the oscillator suddenly changes the vibratory regime by shifting from one attractor to another. Whether the oscillation is in falsetto or chest register does not necessarily depend only on the laryngeal adjustment but also on other factors. Tiny changes in these factors (including, e.g., subglottal pressure, airflow, but also acoustic resonances in the breathing airways), can cause the oscillation to suddenly change from one register to another.
Research on the Construction Mechanism and Improvement Path of the Initiative of International Chinese Teachers' Online Teaching from the Perspective of Social Cognitive Theory
Authors: WU YI , Gaikwad Sophia Sandeep
Published: December 2024

Driven by globalization and digitalization, international Chinese teaching is undergoing profound changes, and online teaching has become an important development trend. Based on social cognitive theory and grounded theory, this study uses a sample of 463 international Chinese teachers from 32 countries around the world to explore the construction mechanism and improvement path of teachers' online teaching initiative. The study found that: (1) International Chinese teachers' online teaching initiative presents a progressive construction model of "cognition-emotion-behavior", in which digital teaching cognition, cross-cultural teaching emotion and innovative teaching behavior constitute the core elements; (2) Teacher initiative is affected by individual factors (digital literacy, cultural adaptability), environmental factors (organizational support, technical infrastructure) and interactive factors (quality of teacher-student interaction, peer learning network); (3) Based on the three-way interaction of social cognitive theory, a "perception-adaptation-innovation" teacher initiative improvement model is constructed. This study is the first to integrate social cognitive theory with teacher initiative research, revealing the internal mechanism of international Chinese teachers' online teaching initiative, and providing theoretical guidance and practical paths for promoting the high-quality development of international Chinese education.
Research on the Generation Mechanism and Optimization Strategy of Online International Chinese Teacher Institutions from the Perspective of Ecosystem
Authors: WU YI , Gaikwad Sophia Sandeep
Published: December 2024

Based on the perspective of ecosystem theory, this study deeply explores the generation mechanism and optimization path of online international Chinese teacher institutions. The study focuses on the interactive relationship between various elements in the online education ecosystem. It adopts a combination of qualitative research and quantitative analysis to systematically investigate the operation mode, teacher construction, curriculum development, and technical support of online international Chinese teacher institutions. The study found that the sustainable development of online international Chinese teacher institutions is affected by the synergistic effect of internal ecological elements and the external ecological environment. Based on the results of empirical research, this paper proposes a strategic framework for optimizing the ecosystem of online international Chinese teacher institutions, including building a multi-level training system, innovating curriculum design methods, improving technical support platforms, and strengthening quality supervision mechanisms, etc., to provide theoretical basis and practical guidance for promoting the high-quality development of online international Chinese education.