bluuebunny/crossref_metadata_2025 huggingface dataset:
“Me vejo menos travada e com menos receio de me expressar, de me expor”: algumas notas antropológicas sobre o Teatro como lazer
Authors: Oliveira Medeiros João Pedro de , Rojo Luiz Fernando
Published: July 2023

Este estudo é baseado em um trabalho de campo etnográfico de um ano, realizado entre fevereiro de 2021 e fevereiro de 2022, em uma escola de teatro em Niterói, Rio de Janeiro. O artigo versa sobre como os discentes, mais especificamente aqueles que não demonstravam motivações profissionais com o curso, significavam o seu contato com tal experiência. Ambiciona entender, dentre outras coisas, o que eles queriam dizer por “fazer teatro” e os usos que faziam dele. O Lazer, importante categoria acionada nesta análise, conserva chaves interpretativas cruciais ao que tange as emoções, suas modalidades de expressão e a vida interior dos sujeitos.
Klasifikasi Cacat Biji Kopi Menggunakan Metode Transfer Learning dengan Hyperparameter Tuning Gridsearch
Authors: Michael Aryo , Rusman Juprianus
Published: July 2023

Defects in coffee beans can significantly impact the quality of coffee production, which can lead to a decrease in the price of coffee beans in the global coffee market. Currently, coffee bean sorting is still conventionally done to separate defective and non-defective coffee beans, which is a time-consuming process and subject to subjective selection, potentially leading to a decline in the quality of the resulting coffee beans. The objective of this research is to design and measure the performance of deep learning algorithms, CNN MobilNetV2 and DenseNet201, using transfer learning methods where hyperparameter tuning grid search is employed to select the optimal combination of hyperparameters for the defective coffee bean classification model. The study began by collecting a dataset of images of abnormal and defective coffee beans, building a classification model using transfer learning methods that utilized pre-trained models and selecting the best hyperparameters, training the model, and finally testing the created classification model. The research results indicate that the pre-trained MobileNetV2 model with hyperparameter tuning achieved an accuracy of 90%, and the pre-trained DenseNet201 model achieved an accuracy of 93%. The research results indicate that this approach enables the model to achieve excellent performance in recognizing and classifying defective coffee beans with high accuracy
Penerapan Metode Simple Additive Weighting (SAW) untuk Penentuan Muazin Terbaik
Authors: Harman Rika , Amrizal Amrizal , Rosiska Evan
Published: July 2023

Decision-making is sometimes often wrong so it can harm certain parties. If the decisions taken are very strategic, you can imagine the losses that will result from these decisions. The Al-Hikmah Mosque, which is located at the Taman Hangtuah Legenda Malaka Batam Center housing complex, is currently experiencing a muezzin vacancy. Al-Hikmah Mosque itself has held a selection for the muezzin. From the selection results, the five best people were obtained. Of the five best people, one will be selected and meets the criteria. The purpose of this research is to make it easier for the Al-Hikmah mosque to make decisions to get the best of the best muezzins. In addition, the mosque can also get choices if the first choice resigns. In this study, the method used is Simple Additive Weighting (SAW) where all participants who meet the criteria will be ranked. The results of the ranking, who were selected to be the best muezzin with the best value or rank were Mr. Abdul Hafiz with a score of 0.845, and Mr. Ihsan as the second alternative with a value of 0.7925. From the results of this study, it can be concluded that the Simple Additive Weighting (SAW) method in determining the best muezzin has a high degree of accuracy. This can prevent discrimination because the election system is based on logically processed data so that all participants can accept the results obtained.
Genetic variants, clinical characteristics and outcomes of non-compact cardiomyopathy
Authors: Komissarova S. M. , Rineiskaya N. M. , Chakova N. N. , Efimova A. A. , Dolmatovich T. V. , Niyazova S. S.
Published: July 2023

Aim: evaluate clinical and structural-functional characteristics, including adverse events and outcomes, in patients with noncompact cardiomyopathy (NCM) with various genetic variants.Material and Methods. 51 unrelated patients with NCM were examined (mean age 37 [28; 47]; men (54.9%), women (45.1%)), observed for 7 to 211 months (in average 38 months). Clinical and instrumental examination included checkup, collection of individual and family history, ECG-12 registration, 24-hour Holter ECG monitoring, echocardiography, magnetic resonance imaging (MRI) of the heart with late contrast enhancement. The search for mutations in the coding sequences of 174 genes associated with cardiovascular pathology was carried out by high-throughput sequencing (NGS).Results and discussion. In 24 of 51 (47.1%) patients, 27 mutations of pathogenicity classes IV and V were detected, while in 21 (41.2%) patients, mutations were in the genes of sarcomeric proteins, of which 37.5% were in the MYBPC3 gene, 25.0% in the MYH7 gene, and in the TTN gene, leading to a shortened protein (TTNtv) – 33.3%, there is a mutation in the ACTC1 – 1 gene (4.2%). In 5.9% of patients, mutations were detected in genes encoding structural proteins and ion channel subunits. Two or more genetic variants were found in 10 out of 24 (41.7%) patients. No significant genetic variants were identified in 14 (27.4%) patients. Patients with mutations in the TTNtv gene were associated with severe systolic dysfunction, dilation of the left ventricle. Carriers of mutations in the MYBPC3 gene and several genetic variants were more likely to have adverse events and outcomes: progression of chronic heart failure (CHF), ventricular tachyarrhythmias, sudden cardiac death (SCD) with successful resuscitation, mortality. Patients with mutations in the MYH7 gene had no adverse outcomes.Conclusion. Comparative analysis showed that patients with NCM had the most severe form of the disease with significant clinical manifestations, episodes of clinical death with subsequent resuscitation and cardioverter defibrillator implantation in probands with mutations in TTNtv gene, mutations in the MYBPC3 gene or multiple genetic variants.
Expression of cysteine cathepsins B/K/L/S/V/Z in failed bioprosthetic heart valves
Authors: Kostyunin A. E. , Glushkova T. V. , Bogdanov L. A. , Kutikhin A. G. , Ovcharenko E. A.
Published: July 2023

Background. Bioprosthetic heart valves (BHVs) are prone to the proteolytic degradation, eventually resulting in their degeneration and failure. Previously, we found cysteine cathepsins with a collagenase and elastase activity in bioprosthetic tissue but it remained unclear whether they precipitated from the circulating blood or have been produced by the infiltrating host cells.Aim: To study the distribution of cathepsin B, cathepsin K, cathepsin L, cathepsin S, cathepsin V, and cathepsin Z in bioprosthetic heart valves and to identify their source.Material and Methods. We examined five BHVs excised from the mitral position during the repeated heart valve replacement. Average duration of BHV functioning was 169 ± 31 months. Consecutive sections from the degenerated BHV segments were investigated by Russell-Movat’s pentachrome staining and immunohistochemistry, employing antibodies to leukocyte markers (pan-leukocyte marker CD45, macrophage marker CD68, neutrophil marker myeloperoxidase, T cell marker CD3, and B cell marker CD19) and cathepsins (B, K, L, S, V, and Z).Results. Macrocalcification and tears were the most frequent degenerative alterations found in BHV leaflets. Further, BHVs were notable for the fragmentation of collagen fibers at and beneath the surface, and were devoid of elastic fibers and mucopolysaccharides. Macrophages were co-localised with the degraded extracellular matrix foci. Cathepsin B was detected only in macrophages whilst other cathepsins (K, L, S, V, and Z) were expressed both in the immune cells and extracellular matrix.Conclusion. Macrophages are capable of producing all cysteine cathepsins in BHV leaflets. Localisation of cathepsins K, L, S, V, and Z in the extracellular matrix also indicated blood as their major source.
The role of erythropoietin in the regulation of cardiac tolerance to impact of ischemia and reperfusion
Authors: Sufianova G. Z. , Shapkin A. G. , Khlestkina M. S. , Mukhomedzyanov A. V. , Gorbunov A. S. , Maslov L. N.
Published: July 2023

Acute myocardial infarction (AMI) is one of the main causes of mortality among the able-bodied population in Russia and the population of economically developed countries. In recent years, deaths from AMI in the USA and Europe have not decreased. This is due to the lack of highly effective drugs for the treatment of AMI. One of the promising drugs to improve the survival of patients with AMI is erythropoietin. We searched for full-text publications in the PubMed database and on the website of the journal Nature. In studies performed on animals, it was shown that erythropoietin (5000 U/kg) is able to increase cardiac tolerance to ischemia and reperfusion due to activation of a number of kinases (PKC, ERK1/2, Akt, JAK2, PI3K) and due to GSK-3β kinase inactivation. Erythropoietin prevents post-infarction remodeling of the heart and enhances the process of myocardial neovascularization in rats and dogs. Erythropoietin in used doses (on the average 1000 U/kg) does not affect infarct size in patients with AMI and does not have an effect on post-infarction ventricular remodeling in humans. The reason for this discrepancy between experimental and clinical data remains unclear. It is possible that the use of large doses of erythropoietin or the use of its analogues that do not affect erythropoiesis can prevent the development of post-infarction cardiac remodeling in humans.
Reperfusion cardiac injury. The role of microvascular obstruction
Authors: Ryabov V. V. , Popov S. V. , Vyshlov E. V. , Sirotina M. , Naryzhnaya N. V. , Mukhomedzyanov A. V. , Derkachev I. A. , Kurbatov B. K. , Gombozhapova A. E. , Dil S. V. , Samoylova J. O. , Sufianova G. Z. , Khlеstkina M. S. , Maslov L. N.
Published: July 2023

Microvascular obstruction (MVO) of coronary arteries increases the mortality rate and major adverse cardiac events in patients with acute myocardial infarction (AMI) and percutaneous coronary intervention (PCI). According to preliminary data platelets, inflammation, Ca2+ overload, neuropeptide Y, and endothelin-1 could be involved in the pathogenesis of MVO. Many questions related to the pathogenesis of MVO remain unanswered. The role of endothelial cell damage in the formation of MVO in patients with AMI and PCI is unknown. It is unclear whether nitric oxide (NO) production reduces or decreases sensitivity of smooth muscle cells of coronary arteries to NO in patients with MVO. It was obtained only indirect evidence on the involvement of inflammation in the development of MVO. The role of ROS in the pathogenesis of MVO is not studied. The role of necroptosis and pyroptosis in the pathogenesis of MVO in patients with AMI and PCI is also not studied.The significance of thromboxane A, vasopressin, angiotensin II, and prostacyclin in the formation of MVO is unknown before. It was not obtained conclusive evidence on the involvement of coronary artery spasm in the development of MVO. Correlation analysis of the neuropeptide Y, endothelin-1 levels and the MVO size in patients with AMI and PCI was not performed. It is not clear whether endogenous adrenaline exacerbates MVO or, conversely, prevents MVO.
META ANALISIS PENGARUH MODEL PEMBELAJARAN BERBASIS PROYEK TERHADAP KEMAMPUAN MATEMATIS SISWA
Authors: Sihombing Desy Carolina , Susilowaty Nora
Published: July 2023

Project based learning is a type of learning that will be researched to measure the effect on students’ mathematical abilities. Every project-based learning analysis on mathematical skills may allow distinct effects for every aspect, whether mathematical skills components, different educational level, and teaching materials. Studies related to project-based learning researched and developed more and more, with the result that require reassessment from previous researches to conclude the accurate result. The goal of this research is to represent the effect of project-based model learning on the students’ mathematical ability altogether, each mathematical skills element, educational level component, and teaching materials component. The population of this study is researches regarding the effect of project-based learning model on students’ mathematical abilities published between 2015 to 2022. By data coding, 22 studies have been earned that fulfil the indicator. The data analysis technique uses a large effect size analysis. The outcome of this study is that the influence project based learning model on mathematical ability altogether has an exceptional effect with the effect size value of 1,32, the effect on mathematical ability aspect has an exceptional effect on comprehension mathematical ability with the effect size value of 2,05, the effect on educational level element has an exceptional effect on the college level with effect size value of 1,52, and the effect on teaching materials has an exceptional effect on algebraic material with effect size value of 3,93.
Extracción de compuestos bioactivos a partir de los subproductos de la tuna (Opuntia ficus-indica spp.): Tendencias y aplicaciones recientes en alimentos
Authors: Lazcano-Hernández C.Y. , Hernández-Hernández A.A. , García-Curiel L. , Pérez-Escalante E. , Contreras-López E. , Pérez-Flores J.G.
Published: July 2023

La tuna es una fruta que se obtiene de Opuntia ficus-indica spp., un arbusto que pertenece a la familia de las cactáceas y que desempeña un papel de gran importancia agronómica a nivel mundial. Actualmente, la producción primaria e industrialización de la tuna genera grandes cantidades de subproductos, tales como frutos dañados mecánicamente, cáscaras, semillas y bagazo, los cuales generan problemas ambientales y pérdidas económicas debido a que no son utilizados eficientemente, de manera que sólo una mínima parte es utilizada como forraje para el ganado. Afortunadamente, en los últimos años, diversos autores han señalado a los subproductos de la tuna como una fuente potencial para la extracción de compuestos bioactivos, tales como fitoquímicos y fibras insolubles, los cuales pueden ser utilizados en el desarrollo de nuevos alimentos o aditivos naturales. Por ejemplo, se ha reportado que contiene ácidos grasos; antioxidantes como la vitamina E, los tocoferoles y la vitamina C; pigmentos (betalaínas) y flavonoides como la rutina y la quercetina.
Análisis del perfil de aminoácidos de mieles de México por CLAR/F como estrategia para la determinación del origen geográfico
Authors: Armijo Martínez Samantha , Paniagua Vega David , Lucio Gutiérrez Juan Ricard , Saucedo Yáñez Alma L. , Waksman de Torres Noemí , Cavazos Rocha Norma
Published: July 2023

La miel es considerada un alimento nutracéutico debido a sus múltiples usos y beneficios, desde la antigüedad ha sido utilizado como un complemento alimenticio natural, y en la actualidad se ha ido introduciendo en la industria como un ingrediente en diversos productos cosméticos y farmacéuticos. Algunas de las moléculas responsables de estos beneficios son los aminoácidos, los cuales provienen mayoritariamente del polen presente en las flores de donde las abejas recolectan el néctar para la elaboración de la miel, por lo tanto, la composición puede variar dependiendo del origen botánico y geográfico. Debido a su gran valor nutracéutico, la miel es blanco de múltiples estrategias de adulteración, por lo tanto, resulta necesario mostrar la autenticidad de este alimento. En este trabajo se propone una estrategia analítica para la determinación del origen geográfico de la miel como prueba de autenticidad, por medio del análisis del perfil de aminoácidos por Cromatografía de Líquidos de Alta Resolución (CLAR) con detección por Fluorescencia, seguido de un análisis quimiométrico, para establecer una huella dactilar del perfil de las muestras de cada región.
Elaboración de galleta con prebióticos rellena con mermelada ligera de higo (Ficus carica). Evaluación del efecto en personas con estreñimiento
Authors: Santiago-Jerez I. , Alvarado-Villamizar N.P. , Ostojich-Cuevas C.J. Mora, Z. , Arraiz-Budovalchew I. , Zerpa S.M.
Published: July 2023

Se planteó como objetivo principal elaborar una galleta con prebióticos y mermelada ligera de higo (Ficus carica), para evaluar su efecto en personas con estreñimiento tras consumir una ración diaria (18 g) durante 10 días continuos. El análisis proximal determinó su valor nutricional, resaltando el aporte de Fibra Dietaria Total (1.4g/ración). Las pruebas sensoriales arrojaron un Nivel de agrado “Me Gusta” y aceptabilidad del 79%. Seguidamente, se evaluó la efectividad del alimento en 10 individuos diagnosticados con estreñimiento, y se determinó la prevalencia de síntomas molestos y número de evacuaciones antes y después de consumir la galleta. Aplicando las pruebas estadísticas de McNemar y Wilcoxon se obtuvo una diferencia estadísticamente significativa tras la ingesta de la galleta. El número de evacuaciones aumentó de ≤3/Semana a 3-15 evacuaciones durante los días de estudio; se evidenció disminución de los síntomas presentes (dolor, gases), en gran medida; las características de las heces cambiaron de duras, a blandas/pastosas. Asimismo, los resultados permitieron estimar que los participantes del estudio ingieren un estimado de 14.5g Fibra/día, realizan poca actividad física y no emplean técnicas dietéticas para mejorar el estreñimiento. En definitiva, el producto desarrollado ocasionó la mejoría significativa de los síntomas relacionados con el estreñimiento.
Persistent Sacrifice: The 'Sacrificial Lamb' Effect, Women Candidates, and Underrepresentation in the 44th Parliament
Authors: Kesik-Libin Gavriel
Published: July 2023

In August of 2021, Canadian Parliament was dissolved and the 44th federal election was called. Its result was a Parliament that was only marginally more representative of female and gender-diverse candidates than the last. This is in part due to the ‘sacrificial lamb’ effect identified by Melanee Thomas and Marc-Andre Bodet, which highlights the persistence of parties in running women and gender-diverse candidates in unwinnable or ‘swing’ ridings – such that they become ‘sacrifices’ and are destined for failure. Previous research has confirmed the presence of the ‘sacrificial lamb’ effect across several elections. I examine specific incidents of gender-diverse candidates being run in the ‘stronghold’ riding of another party, as well as the slates of candidates in several ‘swing’ and ‘stronghold’ ridings across the country. Further, I consider the likely implications of the ‘sacrificial lamb’ effect and the general underrepresentation of female candidates in the 44th Parliament, as well as the extent to which the ‘sacrificial lamb’ effect may have compromised the freeness and fairness of the 2021 campaign. I conclude that the ‘sacrificial lamb’ effect continued in full force throughout the 2021 campaign, which is likely to have a detrimental impact on the representation of women’s interests, specifically as they pertain to the pressing women’s issues of today.
Narratives and Constructions of Sexuality in American Women’s Prisons
Authors: Hanic Christina
Published: July 2023

This paper explores lesbianism in American prisons, identifying the impact dominant narratives have on incarcerated women with diverse sexualities. Drawing from academic research, the paper discusses historical theoretical perspectives and media construction of lesbian women in prison. Both theoretical and media portrayals of incarcerated lesbian women work together to alter public opinion. This paper seeks to explore how portrayals of lesbianism are harmful due to their tendency to stereotype and misrepresent. The paper will also explore how correctional perspectives continue to be affected by dominant narratives, which have a direct impact on the lives of incarcerated women through corrective measures. Finally, the perspectives of incarcerated women themselves are highlighted, as they are the experts of their own experiences. The term lesbian will be used throughout the paper as an umbrella term describing women who engage in sexual relationships with other women. This is for the sake of simplicity due to the limited scope of the paper’s length and the available research on the subject. It is not intended to dismiss or oversimplify the diversity of sexual identities and labels.
Nolite te Bastardes Carborundorum? Using Kylie Jenner and Reproductive Rights to Examine the Cultural Afterlife of The Handmaid’s Tale
Authors: O'Neill Olivia
Published: July 2023

Emerging from the shocking image of Kylie Jenner's 2019 Handmaid's Tale themed birthday party — in which women clad in red dresses and bonnets drank cocktails and celebrated  — this paper analyzes the cultural afterlife of the Handmaid symbol from Margaret Atwood's celebrated novel The Handmaid's Tale. Spanning from Jenner's birthday celebration to abortion protests in Philadelphia, I begin by understanding how the Handmaid herself is conceived of by Atwood in the novel. Building from this literary analysis, I question all modern utilizations of the Handmaid symbol. In the same way that acts of resistance are subsumed by the tyrannical system in The Handmaid's Tale, I argue that contemporary deployments of the Handmaid symbol — whether for protest or not — have no lasting impact, as they are inevitably assimilated into the oppressive cultural from which they emerged.
What Can Reading Motivation Do for Improving Student’s Reading Comprehension? Implications for Reading Instruction in the School
Authors: Efriza Dony , Deswarni Dini , Sepyanda Marsika
Published: July 2023

This study is a qualitative study which to know the problems of students’ reading motivation as an implication for reading instruction for improving reading comprehension. The instrument that had been used for this study is questionnaires and literature review was done to give solution for implication in the reading classroom based on theories. For 21 students in junior high school who have been distributed a questionnaire could be found that some students have some problems in reading efficacy and intrinsic motivation (reading work avoidance). Some solutions to solve students’ reading motivation are 1) Sociocultural environment is part of a solution in creating reading motivation in order peer influence happened on it. 2) By viewing locus of control, appropriate book and text determine the reading motivation of the students. 3) Furthermore, the students must be given the freedom to choose the kinds of text that they want to read. 4) reward and punishment can be applied on the reading class to invent students’ reading motivation 5) activating the school library can increase reading interest but must be accompanied by making several programs that support reading activities.
Analysis of Teacher's Feedback on Students in Writing Recount Text at Senior High School
Authors: Sari Winda , Daulay Sholihatul Hamidah
Published: July 2023

This study aims to examine the types of written feedback given by teachers on the writing of eleventh-grade senior high school students at SMA Tarbiyah Islamiyah. The instrument used was document analysis to examine the type of written feedback given by the English teacher on the writing results of tenth-grade students majoring in Social Sciences (IPS) and Natural Sciences (IPA). The findings revealed that the two teachers used different written feedback on students' writing. Teachers who teach in the Science major tend to use direct written feedback and teachers who teach in the Social Sciences department use indirect feedback. It can be concluded that the reason for the different types of written feedback used is that teachers who teach in science majors think that direct feedback is more detailed and understood more quickly by students. Meanwhile, teachers who teach in the Social Sciences major argue that providing written feedback indirectly it can encourage students to think and make students more curious about the mistakes they write and students can ask questions to the teacher.
Indonesian Students’ Growth Perception of an English Immersion Program
Authors: Pratiwi Widya Rizky
Published: July 2023

Becoming a part of an English village as a form of immersion program differs significantly from studying English in a classroom setting where students can directly practice speaking in real-life situations. This study looks at how Indonesian students perceive the benefits of intense classes in an English Immersion Program on their cognitive development both during and after the program. The biggest Indonesian English Village, Kampung Inggris Pare, was the location. This qualitative case study involving participant observation, interviews, and photos included 14 participants. An interactive analytic model was then used to gather, reduce, present, and make conclusions from the data. According to the study, most participants improved after taking intense English classes in Kampung Inggris Pare, especially in the cognitive areas. Vocabulary was the area where they felt most Heavily Upgraded (HUg), followed by fluency and pronunciation. This study suggests that an immersion program like English Village is one way to address several issues with English learning in schools. An English Immersion Program's intense sessions might be advantageous for students.
Uma interpretação histórico-geográfica sobre o município de Guajará-Mirim (RO)
Authors: Santiago Joely Coelho
Published: July 2023

O município de Guajará-Mirim, fronteira Brasil-Bolívia, estado de Rondônia, nas amazônias do Norte do Brasil, foi fundado em 10 de abril dos anos 1929. A exploração dos espaços na região de Guajará-Mirim/RO foi iniciada a partir do século XIX por expedições civis, militares, religiosas e trabalhadores de diversas nacionalidades. Dito isto, este estudo investiga, a partir de narrativas orais de vida, elementos formadores de histórias e culturas do município citado anteriormente. A pesquisa bibliográfica, de natureza qualitativa, é fundamentada pelos estudos de Foucault (1999); Gagnebin (2007); Chamma (2012); Borzacov (2004); Teixeira, Fonseca (2001), dentre outros. Os resultados evidenciam aspectos importantes para valorização dos modos de vida de populações que foram silenciadas e marginalizadas ao longo dos séculos, contudo preservadas na memória das pessoas de mais idade e que, de uma maneira ou de outra, pode contribuir no banco de dados sobre histórias e geografia do município de Guajará-Mirim/RO.
Quebradeiras de Coco Babaçu: representação cultural no Povoado Piaçava Nazaré/TO
Authors: Silva Lavina Pereira da , Almeida Rejane Cleide Medeiros de , Torres Carina Alves
Published: July 2023

O presente trabalho tem por objetivo abordar a representação cultural das quebradeiras de coco babaçu do povoado Piaçava/Nazaré-TO, através das narrativas e do contexto histórico que permeia essa prática cultural na região. O fato observado é que o povoado Piaçava possui um grupo de mulheres que perpetuam essa cultura nos dias atuais, através da prática de coleta e produção de azeite e carvão. Parto da perspectiva qualitativa e método da história oral de vida através de narrativas e fatos históricos que demarcam o território dos babaçuais e mudanças ambientais do município de Nazaré. As quebradeiras de coco babaçu possuem representatividade nítida de resistência nessa região, pois cultuam essa prática nos dias atuais, se organizando politicamente e movimentando um pequeno comércio com vendas de carvão e azeite.
Design of New V Shaped Thermotropic Liquid Crystals containing Heterocyclic
Authors: Athraa J. Ali  , Karam Nisreen H.
Published: July 2023

The characterization and design of this study of new liquid crystals with a V
shape compounds containing thiazolidine-2,4-dione and 1,3-phenylene as a core unite with
mesophase properties were reported. Preparation  and characterization of chloroacetic
acid, water, and thiourea to produce thiazolidine-2,4-dione [I] in the presence of
strong hydrochloric acid. The 4-hydreoxybenzaldehyde and n-alkyl bromide were reacted
with potassium hydroxide to create the n-alkoxy benzaldehyde., then the compound [I]
reacted with [II]n in presence of piperidine to produce compounds [III]n. Also,
converted resorcinol to a corresponding  compound [IV] by refluxing pyridine and DMF
with two moles of chloracetyl chloride, after that interacted the compounds [III]n and
compound [IV] with sodium acetate to form compounds [V]n. FT-IR and 1HNMR spectroscopy
were really used to determine the structures of the produced substances. Using polarized
optical microscopy, these mesogens' mesomorphic characteristics were studied (POM).The
synthesized molecules exhibited enantiotropic liquid crystal phases, the substances
[V]1-4 exhibited an only the enantiotropic nematic phase.
A qualitative case study to Examine Teachers’ Perceptions of bullying within K-12 institutions
Authors: Albert Daniel Peabody
Published: July 2023

Teachers’ perceptions are a poignant factor in addressing bullying. Bullying within K-12 institutions has been a major concern for schools and teachers in the United States and around the world. The utmost concern about this topic is to address teachers’ perceptions about bullying and how these perceptions can be used in bullying prevention and reduction initiatives within the K-12 community. The topic for this study is A qualitative case study: To examine teachers’ perceptions of bullying-related situations within K-12 institutions. Moreover, teachers’ perceptions are extremely important, and it has been identified as the legitimate factor in maintaining student good conduct. Bullying behavior continues to baffle teachers because it has resulted in suicidal ideation and death, students' low self-esteem, and rejecting the notion of even being in school. This study intends to help reduce bullying situations in schools.
Flood risk assessment of the river Benue catchment in Adamawa State Nigeria
Authors: Ishaya Bitrus  , Jinga Jahknwa  , John Ayuba Godwin  , Nehemiah Japheth  , Rafiyatu Hafisu
Published: July 2023

Floods are one of the most devastating natural disasters that occur globally, causing loss of life and property. Adamawa, a state located in north-eastern Nigeria, is prone to flooding due to its location within the floodplains of the River Benue. The research examines the spatial distribution of flood risk, the role of altitude in determining flood risk levels, and the implications for population exposure. The investigation was carried out in the following local government areas, namely Yola-South, Demsa, Numan, Lamurde, Guyuk, Shelleng and Song. The study used a combination of remote sensing and geographic information systems (GIS) techniques to analyze the flood risks extent and exposure within the catchment. SRTM 30 Meters resolution Digital Elevation Model (DEM) data was used to derive catchment boundaries, stream networks and watershed characteristics. 500 years return period flood hazard raster along with a population raster of the settlements within the region of interest were also used. The findings reveal varying flood risk extents, with areas at lower elevations exhibiting higher flood risks. Additionally, the study identifies specific wards within each locality that are situated in different flood risk zones, highlighting the need for localized flood risk assessments. The results demonstrate a correlation between flood risk levels and the percentage of the population exposed to these risks. The study aligns with existing literature on flood risk, altitude, and population vulnerability, emphasizing the importance of considering these factors in flood risk management strategies. The findings contribute to a better understanding of flood risk patterns and can guide policymakers and stakeholders in implementing targeted interventions and developing effective disaster response plans. However, it is essential to contextualize the findings within the specific study areas and complement them with site-specific assessments and further research.
HUBUNGAN PENGETAHUAN ANEMIA DENGAN KEPATUHAN IBU HAMIL MENGONSUMSI TABLET PENAMBAH DARAH DI PUSKESMAS SEIRAMPAH 2022
Authors: Nst Della Purwanti , Pane Abdul Harris
Published: July 2023

Pemenuhan gizi terhadap ibu hamil merupakan salah satu aspek penting yang perlu diperhatikan selama masa kehamilan. Tetapi, ibu hamil masih sering dihadapkan dengan berbagai permasalahan kesehatan, salah satunya adalah anemia. Anemia selama kehamilan adalah penyebab utama morbiditas dan mortalitas ibu hamil di Negara berkembang dan membahayakan ibu maupun janin. Tablet lengkap penambah darah merupakan salah satu upaya penting dalam mencegah dan menanggulangi anemia.Penelitian ini bertujuan untuk mengetahui hubungan pengetahuan tentang anemia dengan kepatuhan ibu hamil dalam mengonsumsi tablet lengkap penambah darah di Puskesmas Sei Rampah Kabupaten Serdang Bedagai tahun 2022 dengan metode penelitian analitik observasional menggunakan desain cross sectional. Penetapan sampel menggunakan teknik total sampling dengan jumlah sampel sebanyak 54 orang ibu hamil. Hasil uji Chi Square dengan nilai p value = 0,000 (p≤0,05). Hal ini menunjukkan adanya hubungan pengetahuan tentang anemia dengan kepatuhan ibu hamil dalam mengonsumsi tablet lengkap penambah darah di Puskesmas Sei Rampah Kabupaten Serdang Bedagai tahun 2022.
UJI EFEKTIVITAS ANTIBIOTIK EKSTRAK ETANOL DAUN KAYU MANIS (CINNAMOMUM BURMANNII) TERHADAP STAPHYLOCOCCUS AUREUS SECARA IN VITRO
Authors: Siregar Reja Aulia , Lestari Ira Cinta , Rangkuti Irma Yanti , Sari Siti Kemala
Published: July 2023

Staphylococcus aureus adalah bakteri gram positif yang merupakan bakteri pathogen bagi manusia. Bakteri ini dapat menyebabkan infeksi pada manusia terutama infeksi pada kulit. Daun kayu manis (Cinnamomum burmannii) memiliki efek antibiotik terhadap bakteri. Kandungan flavonoid, saponin, alkaloid, dan tannin pada daun kayu manis diketahui dapat menghambat bakteri Staphylococcus aureus. Penelitian ini bertujuan untuk menganalisis efektivitas antibiotik ekstrak etanol daun kayu manis (Cinnamomum burmannii) terhadap pertumbuhan Staphyloccous aureus secara in vitro. Jenis penelitian deskriptif dengan metode eksperimental dilakukan menggunakan ekstrak etanol daun kayu manis 25%, 50%, 75% dan 100% terhadap biakan Staphyloccous aureus. Rerata daya hambat pertumbuhan bakteri dianalisa dengan uji ANOVA dan uji post hoc Bonferroni. Konsentrasi 100% ekstrak paling efektif dalam menghambat pertumbuhan Staphylococcus aureus dengan respon hambat intermediet.
GAMBARAN PENGETAHUAN PENGGUNAAN COTTON BUD DENGAN KESEHATAN TELINGA PADA MAHASISWA FK UISU TAHUN 2022
Authors: Faturrahman Iqbal , Susanto Bambang
Published: July 2023

Cotton bud biasa digunakan untuk membersihkan telinga dari serumen dan menghilangkan rasa gatal pada telinga di kalangan masyarakat, Membersihkan telinga dengan cotton bud adalah hal yang sering dilakukan dan kadang-kadang dapat menyebabkan trauma saluran telinga. Penggunaan cotton bud berlawanan dengan mekanisme alami pembersihan telinga, cotton bud mendorong kotoran/serumen jauh ke dalam lubang telinga eksternal. Cotton bud juga memasukkan unsur bakteri dan jamur ke dalam saluran telinga dan dapat menimbulkan infeksi. Penelitian ini bertujuan untuk mengetahui pengetahuan penggunaan cotton bud dengan kesehatan telinga pada mahasiswa FK UISU. Metode dari penelitian ini menggunakan metode deskriptif analitik dengan rancangan cross sectional. Dari 52 orang, mayoritas responden dalam penelitian ini adalah mereka yang menggunakan cotton bud sebanyak 39 orang (75,0%). Hasil penelitian menunjukkan tingkat pengetahuan mahasiswa Fakultas Kedokteran Universitas Islam Sumatera Utara angkatan 2019 tentang kesehatan telinga dan dampak dari penggunaan cotton bud masih tergolong baik yaitu 27 orang (51,9%) dan 26 orang (50,0%). Disimpulkan bahwa pentingnya menjaga kesehatan telinga terutama bagi mereka yang masih menggunakan cotton bud.
Mujica Pinilla R., et al. (coord.). San Pedro de Lima. Iglesia del antiguo Colegio Máximo de San Pablo. Lima: Banco de Crédito del Perú, Colección Arte y Tesoros del Perú, 2018, 331 pp. 360 ils. color, 91 b/n, 2 tablas. ISBN: 978-9972-837-32-6.
Authors: Michaud Cécile
Published: July 2023

Fiel a una larga tradición de publicaciones sobre arte peruano, el Fondo Editorial del Banco de Crédito del Perú, a través de su colección Arte y Tesoros del Perú, dedicó en el año 2019 un nuevo opus a uno de los recintos religiosos más importantes de América del Sur: la iglesia jesuita de San Pedro de Lima. San Pedro de Lima. Iglesia del antiguo Colegio Máximo de San Pablo ofrece al lector un conjunto de ensayos ampliamente documentados, de la mano de renombrados autores peruanos y extranjeros, que permiten comprender, desde varios enfoques, la inmensa relevancia del Colegio Máximo de San Pablo en la época colonial.
Nuria Martínez Jiménez. Pintura mural del Renacimiento en la Alhambra. Granada, Patronato de la Alhambra y Generalife, 2021, 277 pp., 95 ils. a color, 4 tablas. ISBN: 978-84-17518-15-8.
Authors: Cruz Cabrera José Policarpo
Published: July 2023

La sugestiva monografía editada por el Patronato de la Alhambra y Generalife en 2021 bajo el título Pintura mural del Renacimiento en la Alhambra, forma parte de los resultados científicos de la tesis doctoral de la autora, doña Nuria Martínez Jiménez, con mención internacional, leída en octubre de 2019 con la máxima calificación, lo cual de por sí avala por completo la solvencia, solidez académica y rigor con que el tema por ella ha sido abordado.
The Russian musical art of the early XX century: INFANTE
Authors: Demchenko Aleksandr Ivanovich
Published: July 2023

The essay considers the phenomenon designated by the notion “youthful themes”, which flourished in Russian musical art in the early XX century. This phenomenon is revealed as a depiction of various age gradations (infancy, childhood, adolescence, youth, early adulthood), which has gone beyond the limits of the material focused on the needs of a specific age audience and has a generally significant character. The work traces the evolution of youthful themes starting with the turn of the XIX-XX centuries (the opera “Iolanta” (1891), the ballet “The Nutcracker” (1982) by P. Tchaikovsky, “The Music Box” (1893) by A. Lyadov, the opera “The Tale of Tsar Saltan” (1900) by N. Rimsky-Korsakov, Piano Concerto No. 1 by S. Rachmaninov (1890-1891), Piano Sonata No. 5 by A. Scriabin (1907)) and up to the 1920s. Special attention is paid to the main line of development of youthful themes in the 1910s (10 Pieces for Piano Op. 12 (1913) and the cycle “Visions Fugitives” (1915-1917) by S. Prokofiev, the orchestral piece “Fireworks” (1908), the symphonic poem “The Song of the Nightingale” (1917) by I. Stravinsky). As a result, the author highlights the nuances of content and meaning inherent in the youthful themes (birth and affirmation of new forces, enjoyment of life, carelessness, playful attitude to the world; fervor, seething energy, thirst for youthful self-affirmation; integrity, clarity, simplicity, infantilism with its inherent fragility and purity) and also notes the presence of a wide range of aesthetic and stylistic facets in this area. The appearance of youthful themes marked the advancement of new forces into the arena of life, as well as the freshness and spontaneity of world perception, freedom from canons and stereotypes.
Reorganization and resubordination of the State Ceramic Institute in Leningrad, 1925-1926
Authors: Bliznyakov Roman Alexandrovich , Malyshev Dmitry Arkad’evich , Shtin Ilya Igorevich
Published: July 2023

The aim of the research is to demonstrate the mechanism of structural resubordination of the Leningrad State Ceramic Institute from the People's Commissariat of Education to the subdepartmental structure of the Supreme Council of National Economy. Based on sources and previously published literature dedicated to the existence of the State Ceramic Institute, the article provides an example of the conflict between two tendencies in the Soviet scientific community: the focus on ensuring closely linked applied research at the expense of fundamental investigations in a specific subject area. The scientific novelty lies in the introduction of previously unused archival materials that testify to the stages of conflict between state institutions on the example of a specific establishment during the period from 1924 to 1926. As a result, based on historical sources, the dynamics of the confrontation between the People's Commissariat of Education and the Academy of Sciences on one side, and the Supreme Council of National Economy on the other side, for control over the scientific institution, the Ceramic Institute, are demonstrated.
Representatives of the Buryat clan elite in archival documents of the 17th century
Authors: Purbueva Natalya Maksimovna
Published: July 2023

The aim of the research is to determine the nature of the relationship between the representatives of the Tsarist administration and the Buryat clan leaders during the initial stage of the annexation of the Buryatia territory to the Moscow state, as reflected in the published archival documents of the 17th century. The article examines the initial stage of the annexation of the Buryatia territory to the Moscow state, reveals the role and significance of the Buryat clan leaders in this process, and touches upon the issues of social relations in Buryat society in the 17th century. The scientific novelty lies in the study of the nature of the relationship between representatives of the Tsarist administration and the Buryat clan elite in the 17th century, which allows to identify the main methods of the administrative policy of the Tsarist administration towards the indigenous peoples of Siberia as a whole, and the Buryats in particular. The research reveals that from the very beginning of its presence, the Tsarist government sought to regulate relations with the elite representatives of the indigenous Siberian peoples, with the aim of further integrating the new lands into the Russian state and establishing an efficient system of tax collection (yasak).
Chinese chamber ensemble with piano in dialogue with the European genre model
Authors: Xiao Qiaosong
Published: July 2023

The aim of the research is to characterize the typical features of the Chinese chamber instrumental ensemble with piano by comparing it to the European model of the genre. The article examines the piano ensemble as the dominant type of chamber genre in China and identifies the main genre-forming factors that contribute to its uniqueness. The scientific novelty lies in the characterization of a complex of objective reasons that have defined the originality of the Chinese piano ensemble. The research demonstrates that, based on the Western prototype of the genre, Chinese composers enrich it with the national characteristics: a tendency towards objective forms of expression, changes in the functional role of the piano, an emphasis on programmability, and exploration of the realm of the national language by drawing on traditions of Chinese folk and theatrical music.
The Use of E-learning During COVID-19 Pandemic Era
Authors: Oluwadamilola Uleanya Mofoluwake , Mulliah Naidoo Gedala
Published: July 2023

Communication in teaching and learning space has never been the same following the outbreak of the COVID-19 pandemic. The crisis of COVID-19 has brought about the urgency for most higher education institutions to adopt e-learning. This response was to save the academic year. Hence, this study explores how e-learning has aided African universities to engage their students in teaching and learning. A quantitative research method was adopted for the collection of data. The survey was made up of 400 questionnaires which were randomly administered to the second-and third-year students in the selected South African university. The findings of the study show that e-learning trends before COVID-19 were unappreciated and unaccepted. Meanwhile, following the outbreak of the coronavirus, e-learning has become one of the most sort-out phenomena. However, several factors such as unawareness, lack of funding, and poor internet connectivity, amongst others have always hindered the use of e-learning platforms. Hence, the study recommends amongst others that adequate awareness be made to educate both lecturers and students on the importance and the continuous use of e-learning. Also, funding should be made available for institutions of learning to enable them to adapt to e-learning. The gains achieved must be maintained and continue post-COVID-19. Keywords: African universities, COVID-19, Coronavirus, e-learning
Teacher-Student Relationships: Impact of Positive Behavioral Interventions and Supports
Authors: Martinez Rene , Wighting Mervyn
Published: July 2023

The purpose of this study was to investigate how caring student-teacher relationships facilitate positive student behavior. Additionally, it examined the effect of student behavior when building positive student-teacher relationships. Previous research by the authors determined that when teachers build relationships with children it is one of the most effective strategies to impact student learning. A secondary implication identified by the participants and their administrators in that study was that building relationships can create a positive classroom environment resulting in fewer discipline disruptions. This current study was conducted to measure the relationships between school children, in grades K-8 in the USA, and their teachers using a standardized instrument before and after a two-week implementation of a positive behavioral intervention and supports strategy to determine if there are any significant differences. The participants involved in this study are comprised of classroom teachers in their first year of teaching, and experienced classroom teachers (5+ years). Keywords: teacher preparation, teacher-student relationships, positive behavior support interventions
Teaching English as a Third Language to Minority Adult Learners in Norwegian Secondary Schools
Authors: Awal Alhassan Mohammed
Published: July 2023

The aim of this study was to explore English teachers’ teaching techniques perceived as important when teaching English as a third language (L3) to minority adult students in secondary schools. Using a quantitative research approach, 95 teachers from two districts in the Viken county of Norway completed a 15-item questionnaire titled. Perceived Strategies for English Teaching Scale and an open-ended question about ways of teaching vocabulary for effective English teaching to support students learning in their classrooms. Descriptive statistics, ANOVA, and t-tests were used to analyse the data. The results showed that teaching vocabulary, reading, and grammar, among others, were strategies considered as important in teaching English. Reflecting on teachers challenging roles in teaching English as L3 to minority adult learners with varied English knowledge a collaborative teaching strategy was found to be very useful. The respondents also identified certain ways of teaching vocabulary to support students learning. Implication for further research is discussed. Keywords: Norway, English teaching, minority students, teaching strategies