bluuebunny/crossref_metadata_2025 huggingface dataset:
Swarm Intelligence Algorithms in Gene Selection Profile Based on Classification of Microarray Data: A Review
Authors: Jahwar Alan , Ahmed Nawzat
Published: February 2021

Microarray data plays a major role in diagnosing and treating cancer. In several microarray data sets, many gene fragments are not associated with the target diseases. A solution to the gene selection problem might become important when analyzing large gene datasets. The key task is to better represent genes through optimum accuracy in classifying the samples. Different gene classification algorithms have been provided in past studies; after all, they suffered due to the selection of several genes mostly in high-dimensional microarray data. This paper aims to review classification and feature selection with different microarray datasets focused on swarm intelligence algorithms. We explain microarray data and its types in this paper briefly. Moreover, our paper presents an introduction to most common swarm intelligence algorithms. A review on swarm intelligence algorithms in gene selection profile based on classification of Microarray Data is presented in this paper.
Space Weathering within C-complex Main Belt Asteroid Families
Authors: Thomas Cristina A. , Trilling David E. , Rivkin Andrew S. , Linder Tyler
Published: February 2021

Using data from the Sloan Digital Sky Survey Moving Object Catalog, we study color as a function of size for C-complex families in the main asteroid belt to improve our understanding of space weathering of carbonaceous materials. We find two distinct spectral slope trends: Hygiea type and Themis type. The Hygiea-type families exhibit a reduction in spectral slope with increasing object size until a minimum slope value is reached and the trend reverses with increasing slope with increasing object size. The Themis family shows an increase in spectral slope with increasing object size until a maximum slope is reached and the spectral slope begins to decrease slightly or plateaus for the largest objects. Most families studied show the Hygiea-type trend. The processes responsible for these distinct changes in spectral slope affect several different taxonomic classes within the C-complex and appear to act quickly to alter the spectral slopes of the family members.
Astrometric and Photometric Investigation of Three Old Age Open Clusters in the Gaia Era: Berkeley 32, Berkeley 98, and King 23
Authors: Sariya Devesh P. , Jiang Ing-Guey , Bisht D. , Yadav R. K. S. , Rangwal G.
Published: February 2021

Using the photometric and kinematical data from Gaia Data Release 2, three old open clusters namely Berkeley 32 (Be 32), Berkeley 98 (Be 98), and King 23 are investigated. The latter two of these clusters are poorly studied in the literature. The numbers of the most probable cluster members are 563, 260, and 114 for Be 32, Be 98, and King 23, respectively, with membership probabilities higher than 80% and lying within the clusters’ limiting radii. Mean proper motions (PMs;

and μ

δ
) of the clusters are determined as (−0.34 ± 0.008, −1.60 ± 0.006), (−1.34 ± 0.007, −3.22 ± 0.008), and (−0.46 ± 0.009, −0.87 ± 0.012) mas yr−1. The errors mentioned in the PMs are the Gaussian fitting errors. The blue straggler stars (BSS) in all three old clusters were found to exhibit centralized radial distribution. The clusters’ radii are determined as 94, 1295, and 66 for Be 32, Be 98, and King 23 using radial density profiles. Ages of the clusters determined by isochrone fitting are 4.90 ± 0.22, 3.23 ± 0.15, and 1.95 ± 0.22 Gyr. The errors given in the clusters’ ages are the internal errors. The mass function slopes are found to be flatter than Salpeter’s value for all three clusters. All three clusters are found to be dynamically relaxed. Galactic orbits are derived for these clusters, which demonstrate that the studied clusters follow a circular path around the Galactic center.
An Intermediate-age Alpha-rich Galactic Population in K2
Authors: Warfield Jack T. , Zinn Joel C. , Pinsonneault Marc H. , Johnson Jennifer A. , Stello Dennis , Elsworth Yvonne , García Rafael A. , Kallinger Thomas , Mathur Savita , Mosser Benoît , Beaton Rachael L. , García-Hernández D. A.
Published: February 2021

We explore the relationships between the chemistry, ages, and locations of stars in the Galaxy using asteroseismic data from the K2 mission and spectroscopic data from the Apache Point Galactic Evolution Experiment survey. Previous studies have used giant stars in the Kepler field to map the relationship between the chemical composition and the ages of stars at the solar circle. Consistent with prior work, we find that stars with high [α/Fe] have distinct, older ages in comparison to stars with low [α/Fe]. We provide age estimates for red giant branch (RGB) stars in the Kepler field, which support and build upon previous age estimates by taking into account the effect of α-enrichment on opacity. Including this effect for [α/Fe]-rich stars results in up to 10% older ages for low-mass stars relative to corrected solar mixture calculations. This is a significant effect that Galactic archeology studies should take into account. Looking beyond the Kepler field, we estimate ages for 735 RGB stars from the K2 mission, mapping age trends as a function of the line of sight. We find that the age distributions for low- and high-[α/Fe] stars converge with increasing distance from the Galactic plane, in agreement with suggestions from earlier work. We find that K2 stars with high [α/Fe] appear to be younger than their counterparts in the Kepler field, overlapping more significantly with a similarly aged low-[α/Fe] population. This observation may suggest that star formation or radial migration proceeds unevenly in the Galaxy.
BAT AGN Spectroscopic Survey. XX. Molecular Gas in Nearby Hard-X-Ray-selected AGN Galaxies
Authors: Koss Michael J. , Strittmatter Benjamin , Lamperti Isabella , Shimizu Taro , Trakhtenbrot Benny , Saintonge Amelie , Treister Ezequiel , Cicone Claudia , Mushotzky Richard , Oh Kyuseok , Ricci Claudio , Stern Daniel , Ananna Tonima Tasnim , Bauer Franz E. , Privon George C. , Bär Rudolf E. , Breuck Carlos De , Harrison Fiona , Ichikawa Kohei , Powell Meredith C. , Rosario David , Sanders David B. , Schawinski Kevin , Shao Li , Megan Urry C. , Veilleux Sylvain
Published: February 2021

We present the host-galaxy molecular gas properties of a sample of 213 nearby (0.01 < z < 0.05) hard-X-ray-selected active galactic nucleus (AGN) galaxies, drawn from the 70-month catalog of Swift’s Burst Alert Telescope (BAT), with 200 new CO(2–1) line measurements obtained with the James Clerk Maxwell Telescope and the Atacama Pathfinder Experiment telescope. We find that AGN in massive galaxies (

) tend to have more molecular gas and higher gas fractions than inactive galaxies matched in stellar mass. When matched in star formation, we find AGN galaxies show no difference from inactive galaxies, with no evidence that AGN feedback affects the molecular gas. The higher molecular gas content is related to AGN galaxies hosting a population of gas-rich early types with an order of magnitude more molecular gas and a smaller fraction of quenched, passive galaxies (∼5% versus 49%) compared to inactive galaxies. The likelihood of a given galaxy hosting an AGN (L
bol > 1044 erg s−1 ) increases by ∼10–100 between a molecular gas mass of 108.7
M
⊙ and 1010.2
M
⊙. AGN galaxies with a higher Eddington ratio (log(L/L
Edd) > −1.3) tend to have higher molecular gas masses and gas fractions. The log(N
H/ cm−2 ) > 23.4) of AGN galaxies with higher column densities are associated with lower depletion timescales and may prefer hosts with more gas centrally concentrated in the bulge that may be more prone to quenching than galaxy-wide molecular gas. The significant average link of host-galaxy molecular gas supply to supermassive black hole (SMBH) growth may naturally lead to the general correlations found between SMBHs and their host galaxies, such as the correlations between SMBH mass and bulge properties, and the redshift evolution of star formation and SMBH growth.
GenetIC—A New Initial Conditions Generator to Support Genetically Modified Zoom Simulations
Authors: Stopyra Stephen , Pontzen Andrew , Peiris Hiranya , Roth Nina , Rey Martin P.
Published: February 2021

We present genetIC, a new code for generating initial conditions for cosmological N-body simulations. The code allows precise, user-specified alterations to be made to arbitrary regions of the simulation (while maintaining consistency with the statistical ensemble). These “genetic modifications” allow, for example, the history, mass, or environment of a target halo to be altered in order to study the effect on their evolution. The code natively supports initial conditions with nested zoom regions at progressively increasing resolution. Modifications in the high-resolution region must propagate self-consistently onto the lower-resolution grids; to enable this while maintaining a small memory footprint, we introduce a Fourier-space filtering approach to generating fields at variable resolution. Due to a close correspondence with modifications, constrained initial conditions can also be produced by genetIC (for example, with the aim of matching structures in the local universe). We test the accuracy of modifications performed within zoom initial conditions. The code achieves subpercent precision, which is easily sufficient for current applications in galaxy formation.
Extended X-Ray Emission around FR II Radio Galaxies: Hot Spots, Lobes, and Galaxy Clusters
Authors: Jimenez-Gallardo A. , Massaro F. , Paggi A. , D’Abrusco R. , Prieto M. A. , Peña-Herazo H. A. , Berta V. , Ricci F. , Stuardi C. , Wilkes B. J. , O’Dea C. P. , Baum S. A. , Kraft R. P. , Forman W. R. , Jones C. , Mingo B. , Liuzzo E. , Balmaverde B. , Capetti A. , Missaglia V. , Hardcastle M. J. , Baldi R. D. , Morabito L. K.
Published: February 2021

We present a systematic analysis of the extended X-ray emission discovered around 35 FR II radio galaxies from the revised Third Cambridge Catalog (3CR) Chandra Snapshot Survey with redshifts between 0.05 and 0.9. We aimed to (i) test for the presence of extended X-ray emission around FR II radio galaxies, (ii) investigate whether the extended emission origin is due to inverse Compton (IC) scattering of seed photons arising from the cosmic microwave background (CMB) or thermal emission from an intracluster medium (ICM), and (iii) test the impact of this extended emission on hot-spot detection. We investigated the nature of the extended X-ray emission by studying its morphology and compared our results with low-frequency radio observations (i.e., ∼150 MHz) in the TGSS and LOFAR archives, as well as with optical images from Pan-STARRS. In addition, we optimized a search for X-ray counterparts of hot spots in 3CR FR II radio galaxies. We found statistically significant extended emission (>3σ confidence level) along the radio axis of ∼90% and in the perpendicular direction of ∼60% of the galaxies in our sample. We confirmed the detection of seven hot spots in the 0.5–3 keV energy range. In the cases where the emission in the direction perpendicular to the radio axis is comparable to that along the radio axis, we suggest that the underlying radiative process is thermal emission from the ICM. Otherwise, the dominant radiative process is likely nonthermal IC/CMB emission from lobes. We found that nonthermal IC/CMB is the dominant process in ∼70% of the sources in our sample, while thermal emission from the ICM dominates in ∼15% of them.
An Extension of the Athena++ Framework for Fully Conservative Self-gravitating Hydrodynamics
Authors: Mullen P. D. , Hanawa Tomoyuki , Gammie C. F.
Published: February 2021

Numerical simulations of self-gravitating flows evolve a momentum equation and an energy equation that account for accelerations and gravitational energy releases due to a time-dependent gravitational potential. In this work, we implement a fully conservative numerical algorithm for self-gravitating flows, using source terms, in the astrophysical magnetohydrodynamics framework Athena++. We demonstrate that properly evaluated source terms are conservative when they are equivalent to the divergence of a corresponding “gravity flux” (i.e., a gravitational stress tensor or a gravitational energy flux). We provide test problems that demonstrate several advantages of the source-term-based algorithm, including second-order convergence and round-off error total momentum and total energy conservation. The fully conservative scheme suppresses anomalous accelerations that arise when applying a common numerical discretization of the gravitational stress tensor that does not guarantee curl-free gravity.
Search for Black Hole Merger Families
Authors: Veske Doğa , Sullivan Andrew G. , Márka Zsuzsa , Bartos Imre , Corley K. Rainer , Samsing Johan , Buscicchio Riccardo , Márka Szabolcs
Published: February 2021

The origin, environment, and evolution of stellar-mass black hole (BH) binaries are still a mystery. One of the proposed binary formation mechanisms is manifest in dynamical interactions between multiple BHs. A resulting framework of these dynamical interactions is the so-called hierarchical triple-merger scenario, which happens when three BHs become gravitationally bound, causing two successive BH mergers to occur. In such successive mergers, the BHs involved are directly related to each other, and hence this channel can be directly tested from the properties of the detected binary BH mergers. Here we present a search for hierarchical triple mergers among events within the first and second gravitational-wave transient catalogs of the Laser Interferometer Gravitational-Wave Observatory/Virgo, the eccentric localization of GW190521, and those found by the IAS-Princeton group. The search includes improved statistical quantification that also accounts for BH spins. We perform our analysis for different upper bounds on the mass distribution of first-generation BHs. Our results demonstrate the importance of the mass distributions’ properties for constraining the hierarchical merger scenario. We present the individually significant merger pairs. The search yields interesting candidate families and hints of its future impact.
The Leadership Role of Scholarly Communications in the COVID-19 Crisis
Authors: Hicks Sarah , Behary Rob
Published: February 2021

The staff at the Systems and Scholarly Communications (SASS) unit at Gumberg Library provided leadership during the COVID-19 crisis both within the library itself, and throughout the university. Their efforts are described to include the leadership disposition of the department, the preparations made for a plan to work at home, and the ongoing guidance that occurred during the first several months of the pandemic. The authors provide recommendations about how the processes introduced might evolve and be improved upon as a new model emerges for scholarly communications.
Using Diffusion of Innovations Theory to Modify Library OER Interventions During the COVID-19 Pandemic
Authors: Essmiller Kathy
Published: February 2021

The high cost of commercial textbooks has been well documented. To help alleviate the impact of those costs, the Oklahoma State University (OSU) Library identified exploration and support of open educational resources (OER) as a priority in their strategic plan. The OSU Library OER Librarian used human performance technology analysis findings to select and design interventions for inclusion in the library's support of OER. When OSU abruptly switched mid-Spring 2020 to emergency remote teaching in response to the COVID-19 pandemic, the library was faced with the need to modify interventions designed for face-to-face interaction to engage and support faculty instructors in online spaces. This chapter uses diffusions of innovations theory to describe how the library made meaning of and anticipated challenges and to share how the library designed and implemented modified interventions.
Entrepreneurial Training for the Nigerian Armed Forces and Its Significance in Post-Retirement Era
Authors: Tar Usman , Wapmuk Sharkdam
Published: February 2021

The chapter focuses on entrepreneurial training (ET) in the Nigerian armed forces and its significance for post-retirement era and discussed the opportunities and challenges for self-reliance. The chapter is qualitative and analytical in approach. It sourced data largely from secondary sources including reputable journals, books, book chapters, monographs, and records, and analysed through content analysis. Though it remains a much underemphasised area in most organisations, ET of the armed forces is the main fulcrum for their retirement preparation, if they are to achieve self-reliance as veterans. The chapter revealed that the retirement training provided for the armed forces differs from one country to the other.
Digital Communication and Dialogism in Official Websites of Tourism Institutions
Authors: Santos Sara , Augusto Luísa Fernandes , Oliveira Adriana
Published: February 2021

In the context of digital transformation, websites play a crucial role in the tourism sector, namely in choosing the tourism destination by tourists or visitors and in the strategic marketing communication of tourism organisations, as well as promoting the attractiveness of destinations. In this chapter, the authors present the results of the observation and analysis of the top 10 official websites of the European countries with the most tourist visits (in 2018) provided by the United Nations World Tourism Organisation (UNWTO). This study was based on a set of indicators related to dialogic link and visit repetition dimensions, considering the evolution of the website from 2015 to 2020. The results show that the entities' websites do not have much dialogical capacity and that there are few differences regarding the presence of these indicators between the entities websites between 2015 and 2020.
How Different Corporate Governance and Corporate Social Responsibility Impact Earnings Management
Authors: Callao Susana , Jarne José Ignacio , Wroblewski David
Published: February 2021

Nowadays, companies increasingly focus on corporate concerns as they are in need of the detecting and controlling management activities in order to improve good business practices, objectivity, and integrity. This research addresses the question of the role of corporate governance and corporate social responsibility in earnings management. Previous studies confirmed that both mechanisms play an important role in limiting earnings management. In this context, the objective of the study is to test whether the effectiveness of both in constraining earnings management is the same or vary within the Eastern and Western Europe. By analyzing a sample of 1,339 firms from three developing Eastern European countries and three Western European countries over the period of 2010–2018, the findings confirm the positive impact of corporate social responsibility on the quality of the earnings. Additionally, the analysis shows that corporate governance is more effective in controlling earnings management in Western European countries.
A Cross-Country Study on Intention to Use Mobile Banking
Authors: Malaquias Rodrigo F. , Malaquias Fernanda Francielle de Oliveira , Ha Young Mok , Hwang Yujong
Published: February 2021

This is a cross-country study about intention to use mobile banking considering respondents from Brazil, South Korea, and the United States of America. The purpose of the paper is to analyze the role of an individual's computer self-efficacy ion mobile banking context. The authors employed the confirmatory factor analysis and the structural equation modeling to analyze the constructs and test the hypotheses of the study. They also relied on bootstrap confidence intervals to test the statistical significance of indirect effects. This study considers a comprehensive measure for computer self-efficacy (CSE), and a direct effect of this variable on two antecedents of behavioral intention to use mobile banking was found. CSE also had an indirect effect on the intention to use mobile banking. However, the effect of computer self-efficacy was not persistent among the different sub-samples considered in this study.
 Itinerário terapêutico – a busca pelo cuidado em saúde empreendida por pessoa com câncer colorretal / The therapeutic itinerary – the search for health care undertaken by a person with colorectal câncer
Authors: Lima Nishimura Aiko Aline Roberta , Sudário Melo Luan , Rocha Siqueira Sudré Mayara , Almeida Sudré Graciano , Da Silva Katia Moreira , Wernet Monika , Matumoto Silvia
Published: February 2021

Introdução: O câncer do colorretal são tumores, acometem o intestino grosso, iniciam a partir de lesões benignas, podendo ser detectados e removidas ainda em seu estágio inicial. Objetivo: Avaliar o a busca por cuidados da pessoa com câncer do colorretal e os mecanismos de Gestão do Cuidado. Metodologia: Pesquisa qualitativa, realizada em Rondonópolis, Mato Grosso, com usuários do sistema de saúde, por meio do Itinerário Terapêutico. Os dados foram coletados na residência da usuária por meio de entrevista e foram submetidos à análise utilizando o Software Iramuteq. Resultados: Estão apresentados em cinco categorias: trajetória antes do diagnóstico e ineficiência da Atenção Primária; práticas complementares e plantas medicinais; limitações no acesso da Rede de Atenção e saúde e mediadores neste processo; ausência da linha de cuidado: orientações e apoio; dificuldades no acesso na atenção especializada. A atuação fragmentada e desarticulada do serviço de saúde aumenta a peregrinação dos usuários pelo serviço, levando-os a buscarem a rede privada de saúde. Ocorre utilização de plantas medicinais sem orientação profissional. Os mediadores foram fundamentais para garantia do acesso ao sistema de saúde. Considerações finais: Os resultados permitiram identificar a desarticulação dos serviços e a necessidade de elaboração de uma Linha de cuidado oncológica.
O itinerário terapêutico da criança com doença falciforme/The therapeutic itinerary of the child withfalciform disease
Authors: Costa Nascimento Petri Thaís , Nunes Nascimento Luciana de Cassia , Bastos Depianti Jéssica Renata , Damasceno de Aguiar Brotto Léia , Rabello Laignier Mariana , Valeria de Souza Almeida Marcia
Published: February 2021

Objetivo: conhecer o itinerário terapêutico da criança com doença falciforme acompanhada em um ambulatório de hematologia de um hospital público infantil. Método: pesquisa qualitativa realizada em um ambulatório de hematologia pediátrica de um hospital público do estado do Espírito Santo. A coleta dos dados ocorreu no período de janeiro a junho de 2019 por meio da entrevista semiestruturada com 10 familiares da criança com doença falciforme. Os dados foram submetidos à Análise Temática. Resultados: o itinerário terapêutico se inicia a partir da descoberta da doença e encaminhamento aos serviços de saúde especializados. Os participantes relataram o conhecimento sobre a crise e quais os locais de atendimento que levam a criança para ser atendida. Além disso, houve relato quanto à frequência de consultas e o acesso ao serviço, demostrando não terem dificuldade com ele e estarem satisfeitos com o atendimento prestado. Considerações finais:o estudo revelou um itinerário terapêutico no qual a criança perpassa por serviços de saúde gerais no momento do diagnóstico e é encaminhada para o serviço especializado, na rede de atenção à saúde secundária, para seguimento do seu tratamento e prevenção das complicações. Além disso, os serviços de saúde são eficazes, porém centralizados.
Positividade ao HIV e fatores associados em um centro de testagem e aconselhamento /HIV positivity and associated factors in a counseling and testing center
Authors: Rossi Angélica da Mata , Albanese Silvia Paulino Ribeiro , Kuriaki Aparecida Tioko , Birolim Marcela Maria , Monroe Aline Aparecida , Arcêncio Ricardo Alexandre , Dessunti Elma Mathias
Published: February 2021

Objetivo: Analisar os fatores sociodemográficos e comportamentais associados à positividade ao Vírus da Imunodeficiência Humana (HIV) em usuários de um Centro de Testagem e Aconselhamento (CTA). Método: Estudo transversal com 5.229 usuários que realizaram o teste rápido para HIV, registrados no Sistema de Informação do CTA. As análises bivariadas e multivariadas foram realizadas utilizando-se a regressão logística binária, com apresentação do OddsRatio, intervalo de confiança de 95% e p-valor <0,05. Resultados: A prevalência de infecção pelo HIV foi de 5,0% (259), com maior acometimento da população mais jovem (p=0,010). Observou-se maior positividade entre as pessoas vivendo com HIV/Aids (91,3%; p<0,001) e homens que fazem sexo com homens (HSH) (20%; p<0,001). Nas análises multivariadas verificou-se maior associação à infecção pelo HIV no modelo 2 que inclui, as variáveis sociodemográficas e comportamentais, como: o recorte populacional de HSH,o compartilhamento de seringas, a orientação sexual HSH, ter infecções sexualmente transmissíveis (IST) nos últimos 12 meses, parceiro soropositivo para HIV e uso irregular ou não uso do preservativo nos últimos 12 meses com parceiro fixo. Conclusão: A vulnerabilidade ao HIV foi mais associada aos fatores relacionados ao compartilhamento de seringas e ao comportamento sexual, especialmente os HSH e as parcerias fixas.
Fatores associados às internações de longa permanência em instituição hospitalar de alta complexidade/Factors associated with long-term hospitalizations in a high complexity hospital institution
Authors: Silveria Hernandes Conceição Eliane , Rafaeli Candido Pedro Danielli , Maria Birolim Marcela , De Souza Cavalcante Pissinati Paloma , Aparecida Pimenta Ferrari Rosangela , Fernandez Lourenço Haddad Maria do Carmo , Oliveira Vannuchi Marli Terezinha
Published: February 2021

Objetivo: analisar os fatores associados às internações hospitalares de longa permanência de pacientes atendidos pelo Sistema Único de Saúde em instituição de alta complexidade. Método: estudo transversal quantitativo a partir de dados secundários de internações hospitalares de 2013 a 2015. Calculou-se a razão de prevalência por Regressão de Poisson bruta e ajustada. Resultados: das 12.689 internações nos anos de estudo, 645 foram de longa permanência (>30 dias), com uma prevalência de 5,1%. Predominaram entre o sexo masculino (62%), > 60 anos de idade (52,6%). As causas mais frequentes da hospitalização foram doenças do aparelho circulatório (33,5%) e causas externas (22,3%). O óbito ocorreu para 45,6%. Na análise bivariada, estiveram estatisticamente associadas às internações de longa permanência as variáveis:  sexo, idade (60 anos e mais) o baixo ou a não escolaridade dos indivíduos, ser da 17ª regional de saúde, ter sido internado na especialidade neurocirurgia e ter necessitado de internação em UTI. No entanto, permaneceram no modelo final sexo masculino, residir na regional de saúde do município em análise e ter necessitado de internação em Unidade de Terapia Intensiva. (p<0,001). Conclusão: Estratégias de promoção da saúde voltadas à saúde do homem devem ser desenvolvidas pelo município, especialmente considerando que os mesmos são os que mais perdem a vida pela ausência de cuidados com a saúde e em decorrência dos agravos resultantes de causas externas.
 Modelagem de tópicos de pesquisa sobre o novo coronavírus: aplicação do Latent Dirichlet Allocation / Modeling of research topics on the new coronavirus: application of Latent Dirichlet Allocation
Authors: Baratieri Tatiane , Henrique Lentsck Maicon , Kaveski Peres Clérito , De Brito Pitilin Erica
Published: February 2021

Objetivo: analisar o desenvolvimento global de publicações científicas e construir tópicos abordados em pesquisas sobre o novo coronavírus/COVID-19. Métodos: estudo de revisão de resumos de publicações sobre o novo coronavírus/COVID-19, com busca nas bases de dados Embase e Web of Science, em 03 de novembro de 2020. A análise dos dados se deu pela modelagem dos tópicos de pesquisa pelo método Latent Dirichlet Allocation (LDA). Resultados: analisaram-se 31.769 publicações, com envolvimento de pesquisadores de 182 países. Os estudos foram publicados em 5.336 periódicos diferentes. A análise identificou 20 tópicos principais de pesquisa sobre o novo coronavírus/COVID-19, sendo que mais da metade (54,5%) das publicações foram contempladas nos temas de impactos e desafios decorrentes da pandemia (11,3%), resposta imunológica (9,6%), potenciais terapêuticas (9,0%), epidemiologia (7,8%), saúde mental (6,3%), recomendações para assistência a outras necessidades de saúde (5,3%) e complicações clínicas. O tema da telemedicina e telessaúde foi evidenciado em 4,2% das publicações. Conclusões: as publicações científicas estavam distribuídas dentre 20 principais temas, caracterizando sua importância e relevância no entendimento do agravo em questão para traçar estratégias de controle, prevenção, tratamento e atenção aos agravos/implicações decorrentes da pandemia. Identificaram-se como principal lacuna de conhecimento estudos sobre cuidados primários/atenção primária à saúde.
Desafios na implantação do modelo de atenção às condições crônicas na perspectiva de gestores no Estado do Paraná/ Challenges in implementing the care model for chronic conditions from the perspective of managers in the state of Paraná
Authors: Theis Laís Carolini , Westphal Camila Michelle , Moysés Simone Tetu
Published: February 2021

Objetivo: descrever os enfrentamentos vivenciados pelos profissionais gestores no processo de implantação do Modelo de Atenção às Condições Crônicas no estado do Paraná/Brasil. Método: trata-se de um estudo descritivo com abordagem qualitativa. Foram realizadas entrevistas semiestruturadas, com sete gestores de diferentes instituições públicas que participaram do processo de implantação do Modelo de Atenção às Condições Crônicas. As entrevistas foram realizadas no local de trabalho do entrevistado, gravadas, transcritas e validadas pelos participantes. A coleta de dados ocorreu em agosto de 2018. A análise de dados foi conduzida por meio de análise de conteúdo. Resultados: a análise evidenciou as seguintes categorias de análise: a relevância da capitania dos gestores municipais e estaduais no processo de implantação do modelo; educação permanente como estratégia para a implantação do Modelo de Atenção às Condições Crônicas; e a atenção hospitalar como limitação para as redes de atenção. Considerações finais: a implantação do Modelo de Atenção às Condições Crônicas demanda apoio financeiro e político dos gestores municipais e estaduais, e exige uma equipe multidisciplinar capacitada e motivada para envolver-se no processo de mudança. A região de saúde não conseguiu expandir o Modelo de Atenção às Condições Crônicas no âmbito hospitalar.
The Accessibility Level of Balikpapan Botanical Garden According to Public Transportation Routes (Balikpapan Botanical Garden Development Concept)
Authors: Nugroho Rizky Arif , Syafitri Elin Diyah , Yorika Rahmi
Published: February 2021

East Kalimantan Government had proposed to expand its tourism division, therefore Balikpapan Botanical Garden has to attract tourist to visit. Accessibility has certain degree of effect to affect visitor trip to certain area. Accessibility is a key feature to evaluating transportation system. Measuring accessibility involving how to measure distance from one point to another as the metric. Providing transport accessibility is an essential element of tourist infrastructure development. The analysis method used in this paper is buffer analysis. This method consists of identifying area surrounding geographic feature. It involving generates buffer around existing geographic feature, then identifying feature whether it locates inside or outside the boundary of the buffer. Balikpapan Botanical Garden had medium accessibility. The nearest collector street from Balikpapan Botanical Garden already have public transportation route. Hotels and Balikpapan Botanical Garden were connected via public transportation route. drawback that affect Balikpapan Botanical Garden accessibility was the distance from public transportation stop point to Balikpapan Botanical Gate may less ideal for pedestrian. The trip took about 35 minutes on foot as far as 2.8 kilometres.
ZIF-8/Cellulose Acetate Based Mixed Matrix Membranes (MMMs) Synthesis and Characterization
Authors: Sutrisna Putu Doddy , Wijaya Candra , Robby Christoper , Liliani Jessy
Published: February 2021

Mixed matrix membranes (MMMs) have gained much interest in the last two decades to be used as water, waste water, and gas separation membranes. MMMs combine polymer matrix and inorganic filler to improve the performances of pure polymeric membranes. However, the choice of filler should be conducted carefully to avoid the formation of microvoids that can decrease the membrane’s performances. Hence, in this study the synthesis and characterization of Zeolitic Imidazolate Framework-8 (ZIF-8) based MMMs were conducted in which the ZIF-8 has organic component that can improve the particle dispersion and avoid the formation of microvoids. Experimental results showed that ZIF-8 incorporation improved the degree of crystallinity of MMMs and also enhanced the particle dispersion compared to pure inorganic fillers, such as TiO2.
Prediction of State of Charge (SOC) of Battery Electric Vehicle
Authors: Rizianiza Illa , Shoodiqin Dian Mart
Published: February 2021

Batteries have an important thing in development of energy needs. A good performance battery, will support the device it supports. The energy that can save a battery is limited, so the battery will increase its charge and discharge cycles. Incorrect charging and discharging processes can cause battery performance to decrease. Therefore battery management is needed so that the battery can reach the maximum. One aspect of battery management is setting the state which is the ratio of available energy capacitance to maximum energy capacity. One method for estimating load states is the fuzzy logic method, namely by assessing the input and output systems of prediction. Predictor of State of Charge use Mamdani Fuzzy Logic that have temperature and voltage as input variables and State of Charge as output variable. A result of prediction State of Charge battery is represented by the number of Root Mean Square Error. Battery in charge condition has 2.7 for RMSE and level of accuracy 81.5%. Whereas Battery in discharge condition has RMSE 1.5 and level of accuracy 84.7%.
Effect of Slotted Angle on Savonius Wind Turbine Performance
Authors: Wahyudi Rahmat , Kurniawati Diniar Mungil , Djafar Alfian
Published: February 2021

The potential of wind energy is very abundant but its utilization is still low. The effort to utilize wind energy is to utilize wind energy into electrical energy using wind turbines. Savonius wind turbines have a very simple shape and construction, are inexpensive, and can be used at low wind speeds. This research aims to determine the effect of the slot angle on the slotted blades configuration on the performance produced by Savonius wind turbines. Slot angle variations used are 5o ,10o , and 15o with slotted blades 30% at wind speeds of 2,23 m/s to 4,7 m/s using wind tunnel. The result showed that a small slot angle variation of 5o produced better wind turbine performance compared to a standard blade at low wind speeds and a low tip speed ratio.
Removal of Post Etch Residue on BEOL Low-K with Nanolift
Authors: Akanishi Yuya , Le Quoc Toan , Sánchez Efrain Altamirano
Published: February 2021

Particle removal from BEOL low-k structures is studied using a novel particle removal technique, called Nanolift which removes particles from the substrate by forming a thin polymer film on the surface and removing the polymer film together with the particles. It was confirmed that Nanolift is capable to remove TiFx particles successfully which are generated during the low-k dry etch process for dual damascene structure formation for BEOL interconnect fabrication. Pattern collapse of the fragile low-k structure was confirmed to be prevented by Nanolift in comparison with conventional dual fluid spray cleaning method. FTIR results show that Nanolift leaves no residual polymer remain in low-k films and K-value shift by the Nanolift process was negligible and comparable with the conventional formulated chemistry cleaning process. From these results, Nanolift can be concluded as a suitable cleaning process for advanced BEOL fabrication process.
Surface Chemistry and Nanoscale Wet Etching of Group IV Semiconductors in Acidic H2O2 Solutions
Authors: van Dorp Dennis H. , Abrenica Graniel H.A. , Lebedev Mikhail V. , Arnauts Sophia , Mayer Thomas , de Gendt Stefan
Published: February 2021

In this atomic-scale study on technologically relevant group IV semiconductors, Ge and SiGe, we relate surface chemistry, in particular the nature of surface oxides, to wet etching kinetics. ICP-MS quantification of Ge in HCl solution containing H2O­2 as the oxidizing agent showed that the Si bulk concentration strongly impacted the etching kinetics. Post operando synchrotron XPS provided insight into the surface oxide chemistry involved in the etching process: a non-homogeneous porous layer with a depletion of Ge components at the outer surface due to pull out effects.
A Qualitative Analysis of Concussion-Reporting Behavior in Collegiate Student-Athletes With a History of Sport-Related Concussion
Authors: Weber Rawlins Michelle L. , Welch Bacon Cailee E. , Tomporowski Phillip , Gay Jennifer L. , Bierema Laura , Schmidt Julianne D.
Published: February 2021

Context

Many survey-based methods have been used to explore concussion-reporting behavior. However, because the decision to report or conceal a concussion is likely multifactorial, this may narrow the findings, as the surveys were largely designed by the researchers.

Objective

To explore student-athletes' perspectives regarding factors that may influence the reporting of sport-related concussion.

Design

Qualitative study.

Setting

National Collegiate Athletic Association Division I athletics.

Patients or Other Participants

We conducted 17 semistructured interviews with student-athletes who had sustained 1 or more concussions while attending a large university (men = 4, women = 13, age = 20.9 ± 1.3 years).

Data Collection and Analysis

After data saturation and member checks, a 5-cycle analytic process was completed: topical review, literature review, data collection and summarizing using a codebook developed by a 3-person research team, linking of findings to current research, and final interpretations.

Results

We discovered 3 themes. Participants discussed concussion perceptions by describing their understanding of a concussion, their own injury experiences, and their perceptions of symptom severity and duration. Regarding reporting behavior, participants described an order of individuals with whom they would speak, symptoms present in order to report (eg, feeling different from normal), immediate reactions, and influential factors for mitigating short- and long-term consequences. Lastly, participants discussed the value of support systems, such as how coaches can both positively and negatively influence reporting and athletic trainer involvement.

Conclusions

Participants often drew from their own concussion experiences in naming common concussion signs and symptoms. Additionally, they indicated that both short- and long-term health consequences influenced and deterred their seeking care and that their support systems, including coaches and athletic trainers, played a role in their concussion experience. Research is needed to determine if using student-athletes' own words to describe a concussion and incorporating student-athletes' support systems, especially coaches and athletic trainers, is effective in increasing concussion reporting.
Residual hearing preservation for cochlear implantation surgery
Authors: Lin Chung-Ching , Chiu Ting , Chiou Hong-Ping , Chang Chu-Man , Hsu Chuan-Jen , Wu Hung-Pin
Published: February 2021

Cochlear implantation (CI) has developed for more than four decades. Initially, CI was used for profound bilateral hearing impairment. However, the indications for CI have expanded in recent years to include children with symptomatic partial deafness. Therefore, CI strategies to preserve residual hearing are important for both patients and otologists. The loss of residual low-frequency hearing is thought to be the result of many factors. All surgical methods have the same goal: protect the delicate intracochlear structures and preserve residual low-frequency hearing to improve speech perception abilities. Fully opening the round window membrane, a straight electrode array, slower insertion speed, and the use of corticosteroids result in a higher rate of hearing preservation. Several factors, like the way of surgical approaches, length of arrays and timing of activation, may not affect the residual hearing preservation. Therefore, the classic atraumatic technique, including the very slow and delicate insertion and administration of intraoperative corticosteroids, can improve hearing outcomes.
The Influences of Indigenous Heritage Language Education on Students and Families in a Hawaiian Language Immersion Program
Authors: Luning Rebecca , Yamauchi Lois
Published: February 2021

Papahana Kaiapuni is a K-12 public school program in which the Hawaiian language is the medium of instruction. In 1987, parents and language activists started the program in response to the dwindling number of speakers that resulted from a nearly century-long ban on the indigenous language. This study examined how participation in this indigenous heritage language program influenced students and their families. Data included interviews with 12 adolescent students and their family members. Results suggested that the program promoted students’ learning about and practicing traditional Hawaiian values, and influenced cultural pride among family members. Participation in the program also encouraged youths and their family members to become politically active around Hawaiian cultural issues. Unlike the more typical process in which culture is passed down from the older to the younger generations, participants viewed Kaiapuni students as the carriers of the culture and language, teaching older family members about these topics. Informants also reported that Kaiapuni promoted positive community views about both Hawaiian language and culture revitalization efforts.
Feminist Pedagogy and the South African Curriculum: The case of Women and Food Security
Authors:   University of South Africa, South Africa, Dirsuweit Teresa
Published: February 2021

There is a food security crisis in South Africa and black working-class women are the shock absorbers of this crisis. It follows that where food studies are included in the South African curriculum, the relationship between women and food security should be understood and critiqued by learners. Improvements in gender equality have also been identified as one of the primary drivers of improvements in food security. In this paper, the South African curriculum is analysed in terms of food studies, gender studies and the promotion of gender equality. Using the lens of feminist pedagogy, a set of qualitative indicators were developed to assess the content and praxis of the curriculum. While there is content which deals with gender and with food, these are presented separately. In the Geography and Agriculture curricula, there is a marked lack of focus on gender concerns. This article concludes that the curriculum could be reoriented to include an awareness and critique of the nexus of women and food and that more positive representations of women as active and powerful agents are needed in the South African Curriculum Assessment Policy Statement (CAPS).
FINANCING DISTRIBUTION, FINANCING TO DEPOSIT RATIO (FDR) AND NON PERFORMING FINANCING (NPF) ON PROFITABILITY OF THE ISLAMIC RURAL BANKS IN BANTEN PROVINCE
Authors: Mubarokah Nailul , Umiyati Umiyati
Published: February 2021

This study aims to determine empirical evidence about the effect of profit sharing financing, sale and purchase financing, FDR and NPF on the profitability (ROA) of Islamic Rural Banks (BPRS) in Banten Province. The type of data in this study is secondary data using panel data. The research object was five Islamic Rural Banks in Banten Province and research period from the first quarter to the fourth quarter of 2013-2019. The research sample was selected using purposive sampling technique. The analysis method used is Panel Data Regression Analysis with Eviews 10 software. The results obtained in this study indicate that there is no significant influence between the Profit Sharing variable on Profitability (ROA) partially. Sale and Purchase Financing, FDR, and NPF variables partially have a significant effect on profitability (ROA). Simultaneously, Profit Sharing, Sale and Purchase Financing, FDR, and NPF have a significant effect on Profitability (ROA).
ANTECEDENTS OF PHILANTHROPIC BEHAVIOR OF PEOPLE LIVING IN JABODETABEK DURING COVID-19 PANDEMIC
Authors: Hasanah Ida Faridatul Faridatul , Setiawan Donny , Nurhasanah Nining
Published: February 2021

This study aims to examine the antecedents of the philanthropic behavior in the Jabodetabek community in the era COVID-19 pandemic. This type of research is a descriptive qualitative study consisting of 2 (two) variables used, namely exogenous and endogenous. The population in this study is the Jabodetabek community with 400 samples of respondents. The data analysis method used is the partial least squares structural equation modeling (SEM-PLS) method with the help of SmartPLS 3.0 software. The results of this study indicate that: (1) individual factors on philanthropic behavior in this study do not have a positive and significant effect, (2) organization factors on philanthropic behavior in this study have a positive and significant effect, (3) social factors on philanthropic behavior in this study. This has no positive and significant effect.
FACTORS CAUSING NON-PERFORMING MURABAHAH FINANCING IN COOPERATIVE JASA LKMS RISALATUNA PADANG CITY
Authors: Al Furqani Muhammad Ansharuddin , Firmansyah Firmansyah
Published: February 2021

This study aims to see the factors that cause murabahah financing to be non-performing financing. This type of research uses a qualitative descriptive method using literature study data. The results of the study are the factors that cause Non-performing financing murabahah financing in the Risalatuna Jasa Cooperative in Padang City due to the Risalatuna Jasa Cooperative (internal factors) and the customers themselves (external factors). The Islamic law review of the settlement of Non-performing financing murabahah financing at the Risalatuna LKMS Jasa Cooperative is following the principles of Islamic law, because in handling Non-performing financing, the Cooperative Jasa Risalatuna LKMS takes precedence first, providing facilities and debt relief.
Edwardsiellosis in freshwater angelfish (Pterophyllum scalare)
Authors: Turgay Emre
Published: February 2021

The freshwater angelfish (Pterophyllum scalare) with its many varieties is one

of the most popular species in the ornamental market. The moribund freshwater

angelfish individuals (20-25 g in weight) were sampled from an ornamental fish

production facility to determine the cause of mortalities started immediately in

fish without any other visible finding except the loss of appetite. The mortality

rate in the population was as high as 50% within a week. Bacteriological

samples were taken from internal organs for the identification of the causative

agent. Hemorrhage in the eyes, loss of scales and skin depigmentation were

the most obvious external finding in the moribund fish. Internally; the liver was

pale, the spleen was enlarged and the intestinal walls were thinned. According

to conventional biochemical and physiological tests and 16S rRNA gene

sequencing, all isolated bacteria were identified as Edwardsiella tarda. The

antimicrobial susceptibility test performed using the disk diffusion test showed

that the E. tarda strains we obtained were sensitive to enrofloxacin,

sulfamethoxazole with trimethoprim, furazolidone and flumequine but resistant

to ampicillin and tetracycline antibiotics.