bluuebunny/crossref_metadata_2025 huggingface dataset:
Democracia, política e participação: a museóloga Waldisa Rússio
Authors: Gouveia Ines
Published: October 2019

In this issue, they are showed and analyzed professional and personal aspects of Waldisa Rússio Carmago Guarnieri path. It is presented her family references in her activities, specially, the influence of her grandfather and mother. Her social origin, gender and schooling are highlighted in order to observe her professional performance. The aim is pointing out that her ideas about workers and work conditions became important structures since they developed her worldview and her way to handle work routine. This context provides why she struggled for the social work dimension in the musuologist career. If it is considerate her path in São Paulo public service, besides her master and doctorate degrees, Waldisa has a singular position in Brazilian museology field. Moreover, this paper presents a political perspective about her career and that it is not usually mentioned. In the political-administrative dimension, it is emphasized her participation in the elaboration of culture and museological policies. To sum up, it is possible to see that Brazilian woman assumed a critical position in the field which she worked because it was a strategy took by her to be heard and authorized in museology. Therefore, it is admited that Waldisa’s political behavior was related to the context that she lived. Finally, it is noticed that some challenges who were perceived in the eighties remain nowadays in those fields.

Keywords: Waldisa Rússio Camargo Guarnieri; museological policy, participation,
مستوى الاكتئاب النفسي لدى عينة من مرضى السرطان من المترددين على مركز مصراتة للأورام
Authors: سلطان عادل مصطفي
Published: October 2019

هدفت الدراسة إلى التعرف على مستوى الاكتئاب النفسي لدى مرضى السرطان بمركز مصراتة للأورام. وتكونت عينة الدراسة من (230) مريضاً سرطان من الجنسين، ذكورا وإناثا. استخدمت الدراسة مقياس بيك للاكتئاب. واستخدم نموذج البيانات الأساسية للجنس ونوع العلاج. وتوصلت الدراسة إلى أنَّ معظم مرضى السرطان لديهم الاكتئاب الشديد (65.52٪) (63.95) يعانون من الاكتئاب المعتدل. بينما لم يكن هناك فروق ذات دلالة إحصائية في الاكتئاب النفسي حسب الجنس بينما كانت هناك فروق ذات دلالة إحصائية في مستوى الاكتئاب النفسي لدى مرضى السرطان تبعا لنوع العلاج المتغير. لصالح العلاج الكيميائي بمتوسط (8.90)، أعلى من المتوسط (50.98) للمرضى الذين يعانون من نوع من العلاج الكيميائي.
Pengaruh Konservatisme dan Profitabilitas Terhadap Earning Response Coefficient
Authors: Marlina Lena Sherli , Anna Yane Devi
Published: October 2019

Penelitian ini bertujuan untuk mengetahui pengaruh konservatisme dan profitabilitas terhadap earnings respons coefficient (ERC) pada perusahaan Pertambangan yang terdaftar di Bursa Efek Indonesia periode 2012-2016. Metode yang digunakan dalam penelitian ini adalah metode deskriptif dan verifikatif dengan menggunakan data sekunder dalam penelitian ini. Populasi dalam penelitian ini adalah perusahaan pertambangan yang terdaftar di Bursa Efek Indonesia dengan sampel sebanyak 7 yang memenuhi kriteria. Pengambilan sampel yang digunakan adalah dengan nonprobability sampling dengan teknik purposive sampling. Analisis data dalam penelitian ini menggunakan analisis regresi linear berganda. Hasil penelitian menunjukkan bahwa konservatisme dan profitabilitas berpengaruh secara simultan terhadap earnings respons coefficient. sementara itu, secara parsial menunjukkan bahwa konservatisme dan profitabilitas terhadap earnings respons coefficient.
AKUMULIACINĖS TALPYKLOS DINAMINIO VEIKIMO EKSPERIMENTINIS IR SKAITINIS TYRIMAS / EXPERIMENTAL AND NUMERICAL RESEARCH OF DYNAMIC OPERATION OF HEAT STORAGE TANK
Authors: Kropask Tomas , Streckienė Giedrė , Frik Anton
Published: October 2019

Renewable energy sources (RES) and their transformation technologies become more attractive in building sector as energy demand and emissions to the environment increase. Along with renewable energy transformation technologies, the importance of energy storage also arises as these RES are characterized by volatility and energy mismatch over time. For this reason, engineering systems which use RES are becoming increasingly dynamic. This study examines ongoing processes in a vertical cylindrical storage tank designed to cover domestic hot water demand in a building. Simultaneous dynamic mode of operation when the energy is being charged and at the same time discharged from the storage tank is analysed. Experiments are performed and stratification number describing thermal stratification is calculated. The obtained data are used for the development and validation of the numerical model. Using Ansys Fluent software, the influence of different discharge rate on operation mode of the storage tank is investigated. Graphical and numerical interpretation of results is performed.
ŠILUMNEŠIO DEBITO ĮTAKOS FAZINIO VIRSMO MEDŽIAGOS VEIKIMUI TYRIMAS / INVESTIGATION OF THE INFLUENCE OF MASS FLOW RATE ON PHASE CHANGE MATERIAL BEHAVIOUR
Authors: Pakalka Saulius , Valančius Kęstutis , Damonskis Matas
Published: October 2019

The paper presents an experimental study of the influence of heat transfer fluid (HTF) mass flow rate on phase change materials (PCM) behaviour. The experimental study was performed on a specially designed test bench. Research object – PCM based thermal energy storage unit which consists of a stainless steel tank with dual circuit tube-fin copper heat exchanger. The tank (storage volume) was filled with phase change material RT82. The experiment was carried out using three different mass flow rates of HTF: high – 0.25 kg/s, medium – 0.125 kg/s, low – 0.05 kg/s. The analysis showed that in the case of high and medium mass flow rates the melting/solidification process highly depends on the temperature of inlet HTF. Influence of mass flow rate is higher in the case of low mass flow rate.
Keratoacanthoma of the Limbus
Authors: Hamed Latif M , Wilson Fred M , Grayson Merrill
Published: October 2019

ABSTRACT

Unlike keratoacanthomas occurring on the skin, those found on mucous membranes are decidedly rare. We present two cases of keratoacanthoma of the limbal area.
Artificial Intelligence for the Identification of Endometrial Malignancies
Authors: Pouliakis Abraham , Margari Niki , Karakitsou Effrosyni , Alamanou Evangelia , Koureas Nikolaos , Chrelias George , Sioulas Vasileios , Pappas Asimakis , Chrelias Charalambos , Terzakis Emmanouil G , Damaskou Vasileia , Panayiotides Ioannis G , Karakitsos Petros
Published: October 2019

Aim of this article is to investigate the potential of Artificial Intelligence (AI) in the discrimination between benign and malignant endometrial nuclei and lesions. For this purpose, 416 histologically confirmed liquid-based cytological smears were collected and morphometric characteristics of cell nuclei were measured via image analysis. Then, 50% of the cases were used to train an AI system, specifically a learning vector quantization (LVQ) neural network. As a result, cell nuclei were classified as benign or malignant. Data from the remaining 50% of the cases were used to evaluate the AI system performance. By nucleic classification, an algorithm for the classification of individual patients was constructed, and performance indices on patient classification were calculated. The sensitivity for the classification of nuclei was 77.95%, and the specificity was 73.93%. For the classification of individual patients, the sensitivity was 90.70% and the specificity 82.79%. These results indicate that an AI system can have an important role in endometrial lesions classification.
Development of Part of Speech Tagger for Assamese Using HMM
Authors: Daimary Surjya Kanta , Goyal Vishal , Barbora Madhumita , Singh Umrinderpal
Published: October 2019

This article presents the work on the Part-of-Speech Tagger for Assamese based on Hidden Markov Model (HMM). Over the years, a lot of language processing tasks have been done for Western and South-Asian languages. However, very little work is done for Assamese language. So, with this point of view, the POS Tagger for Assamese using Stochastic Approach is being developed. Assamese is a free word-order, highly agglutinate and morphological rich language, thus developing POS Tagger with good accuracy will help in development of other NLP task for Assamese. For this work, an annotated corpus of 271,890 words with a BIS tagset consisting of 38 tag labels is used. The model is trained on 256,690 words and the remaining words are used in testing. The system obtained an accuracy of 89.21% and it is being compared with other existing stochastic models.
Homo-di-fict
Authors: Tuğran Filiz Erdoğan , Tuğran Aytaç Hakan
Published: October 2019

In digital age, with all the technological process narrative advertising is trying extraordinary new methods especially in animation movies and series. In this study a new word is going to be used to define fictional animation characters with the term of “homo-di-fict”. In the case of 19th Season of South Park Series, the producers build a “homo-di-fict” which is entirely made from advertising and put her in a plot like a real animation character. So this plot placement causes some important developments in the mail topic of the South Park series. This study aims to examine the correlation between animation and narrative advertising and wants to find how animation “ad” character change animation series plot in the case of South Park.
Social Implications of Big Data and Fog Computing
Authors: Horne Jeremy
Published: October 2019

In the last half century, we have gone from storing data on 5¼ inch floppy diskettes to the cloud and now use fog computing. But one should ask why so much data is being collected. Part of the answer is simple in light of scientific projects, but why is there so much data on us? Then, we ask about its “interface” through fog computing. Such questions prompt this article on the philosophy of big data and fog computing. After some background on definitions, origins and contemporary applications, the main discussion begins with thinking about modern data collection, management, and applications from a complexity standpoint. Big data is turned into knowledge, but knowledge is extrapolated from the past and used to manage the future. Yet it is questionable whether humans have the capacity to manage contemporary technological and social complexity evidenced by our world in crisis and possibly on the brink of extinction. Such calls for a new way of studying societies from a scientific point of view. We are at the center of the observation from which big data emerge and are manipulated, the overall human project being not only to create an artificial brain with an attendant mind, but a society that might be able to survive what “natural” humans cannot.
Nautical Tourism
Authors: Patuleia Mafalda , Estevâo João Vaz , Morais de Brito Mónica
Published: October 2019

This chapter provides an overview of the perspectives from previous research on nautical tourism and identifies relevant gaps that should be addressed in future studies. The chapter characterizes policies and practices related to nautical tourism in the European Union and Portugal, taking into account their framework in the context of maritime and coastal tourism, and also in the context of the Blue/Sea Economy. Such analysis seems particularly relevant given this sector's strong dynamism in job creation and wealth generation on any of these scales of analysis.
Methods and rates of poultry litter fertilization for corn silage in organic system
Authors: Yagi Renato , Martinez José Lino , Hoffmann Clóvis Roberto
Published: October 2019

The creation of proper soil fertility is fundamental to the agroecological transition phase and guarantees the sustainability of organic agribusiness. In a randomized complete block design with a 3 x 2 factorial scheme with 1 additional treatment (control, without organic fertilizer), we tested three poultry litter rates (7, 14, and 21 Mg ha-1) at sowing or splitting between sowing (30%) and side-dressing (70%) for two summer corn whole-plant silage crops and for the soil chemical attributes. The splitting of the poultry litter rate during the rainy season preserves the soil K content, prevents the accumulation of soil P and increases the efficiency of the increasing yields of the organic whole-plant corn silage crop. The reapplication of pre-sowing poultry litter can lead to an accumulation of P and Ca in the soil but favors fresh matter and cob dry matter yields in the dry season. The splitting of the poultry litter rate for whole-plant corn silage can guarantee technical and environmental sustainability in rainy years, but on the other hand, the reapplication of this organic fertilizer only at pre-sowing can increase the fresh matter yield and protein quality of organic whole-plant corn silage cultivated in an Inceptisol in the dry season.
O Conselho Nacional de Educação: 1931 a 1936
Authors: Guilherme Willian Douglas , Santos Sônia Maria dos
Published: October 2019

Este artigo é produto da investigação de estágio de pós-doutorado que localizou e catalogou 297 atas do Conselho Nacional de Educação (CNE) de sua primeira fase de atuação, entre os anos de 1931 e 1936. Apesar de conhecido, sobretudo, por meio da legislação, o CNE ainda não havia sido estudado por dentro, ou seja, o seu funcionamento e suas particularidades eram, até então, desconhecidos. O objetivo deste artigo é, portanto, apresentar como funcionava o CNE - conhecido também como o Tribunal da Educação -, como ele era regido e a importância de suas reuniões, registradas em suas atas, para o campo da história da educação brasileira. A proposta é ser uma referência para se entender o CNE. Para este artigo, foram utilizadas a legislação federal, as próprias atas do CNE e uma tese de doutorado que é a primeira pesquisa baseada exclusivamente neste acervo documental, trazendo uma proposta, também, de emancipação teórica frente ao tradicionalismo citacional.
Educação não escolar: balanço da produção presente nos Congressos Brasileiros de História da Educação
Authors: Albuquerque Maria Betânia Barbosa , Buecke Jane Elisa Otomar
Published: October 2019

O artigo analisa a produção acadêmica envolvendo a temática da educação não escolar nos Congressos Brasileiros de História da Educação entre 2000 a 2017. Trata-se de uma reflexão teórico-bibliográfica à maneira dos estudos sobre o estado do conhecimento. Inspira-se na ideia de educação como cultura de Brandão (2002) e de pedagogia cultural de Andrade e Costa (2017). Nas produções analisadas destacam-se a escola como lócus privilegiado de formação humana, além da baixa incidência de trabalhos sobre educação não escolar, a despeito de sua persistente presença entre os diversos eixos do evento. Ressalta-se a importância do debate epistemológico sobre os múltiplos sentidos da educação em direção a um conceito ampliado, capaz de abranger as complexas e multifacetadas formas de ser e aprender.
As escolas que construímos: a história de instituições escolares na Revista Brasileira de História da Educação
Authors: Santos Ademir Valdir dos , Vechia Ariclê
Published: October 2019

: Objetiva identificar e categorizar artigos de História de Instituições Escolares publicados na Revista Brasileira de História da Educação no intervalo ente 2001 e 2018, com o uso da Análise de Conteúdo (Bardin, 1977). O corpus documental é composto por artigos que examinam histórias institucionais por meio de conteúdos que conformam as categorias espacial, temporal, intelectual, social, política, teoria e metodologia e completo. Os resultados indicam que investigações sobre escolas estão em 24% dos textos. A historiografia em História de Instituições Escolares, publicada na Revista Brasileira de História da Educação, revela uma escrita crítica e inovadora, trazendo à luz a diversidade de escolas que construímos e possibilitando refletir sobre a formação humana.
Vinte anos da Sociedade Brasileira de História da Educação: com os olhos no futuro
Authors: Bittar Marisa
Published: October 2019

Este texto tem como objetivo a reflexão sobre os vinte anos da SBHE entrelaçando a sua criação (1999) com os caminhos percorridos pelas gerações que nos antecederam para a formação do campo da História da Educação no Brasil. Para escrevê-lo, fiz uso de fontes escritas e também de minha própria experiência. Inicialmente mostro as suas origens na Educação e discuto a sua relação com esse campo e com o da História. Em seguida, destaco questões teóricas relativas à sua produção e concluo que esse campo atravessou o século XX em linha ascendente culminando com a criação da SBHE em 1999. Como desafios, indico o contexto diverso no qual o campo deverá continuar atuando, tendo em vista a demanda por internacionalização e as apreensões quanto à redução da História da Educação no currículo de formação de professores.
MANIFESTAÇÕES PATOLÓGICAS RELACIONADAS A REVESTIMENTOS CERÂMICOS DE FACHADAS NA CIDADE DE IPATINGA-MG
Authors: Donato Felipe Coelho , Martins Igor de Castro , Veira Luiz Henrique Lopes , Amaral Igor Brumano Coelho , Dos Reis Arlete Barbosa
Published: October 2019

A patologia das construções estuda as origens, as formas de ocorrência e as consequências dos problemas (defeitos) nas construções. Sabe-se ainda que as patologias estão sujeitas a aparecer em qualquer tipo de construção, devido a fatores como o não cumprimento de normas técnicas, mão-de-obra desqualificada, mal planejamento, materiais de baixa qualidade, entre outros. Em muitas dessas construções os revestimentos cerâmicos foram utilizados e, em geral, se bem executados e com materiais de qualidade, podem proporcionar principalmente proteção contra agentes agressivos e longa vida útil. Por outro lado, a falta de planejamento pode fazer com que haja trabalhos cíclicos de reparos que acarretam despesas que poderiam ser evitadas. No contexto de Ipatinga, há amplo uso de pastilhas e outros materiais cerâmicos para revestimento, e sua associação com grande número de patologias relacionadas ao descolamento em fachadas chamou a atenção. Dessa forma, este trabalho expõe a análise das principais origens desse problema, bem como a caracterização das patologias conexas e destaque de suas consequências
Vigotski desconhecido: a experiência de tradução literária do hebraico antigo
Authors: Sobkin Vladimir , Klimova Tatiana
Published: October 2019

No presente artigo, publicamos, pela primeira vez, uma tradução, até agora desconhecida, feita no início do século XX por L. S. Vigotski. Trata-se da tradução de um conto popular, escrito originalmente em hebraico antigo e de autoria do escritor judeu M. I. Berditchevski. Nos comentários que apresentamos, é reconstruído o contexto em que vivia L. S. Vigotski, no período pré-revolucionário. Atenção especial é dada à questão que estava diante dele sobre a autodeterminação nacional e cultural. São analisados os contextos culturais necessários para a compreensão e interpretação das peculiaridades artísticas e da visão de mundo contida no texto do conto. Faz-se uma comparação que mostra a ligação dos temas presentes no conto com problemas fundamentais dos quais se ocupará Vigotski, pouco tempo depois, como psicólogo profissional: a vivência artística, a escolha moral, a mediação cultural.Palavras-chave: Psicologia da Arte. Psicologia das Emoções. Vivência Estética.
A Teoria Histórico-Cultural e a apropriação da linguagem escrita: uma pesquisa em escolas indígenas no Paraná
Authors: Menezes Maria Christine Berdusco , Faustino Rosangela Célia
Published: October 2019

Este artigo é resultado de uma pesquisa empírica no Colégio Estadual Indígena Cacique Gregório Kaeckchot situado na Terra Indígena Ivaí, no Paraná, cuja população, de cerca de 1600 pessoas, é falante da língua kaingang como L1, tem como objetivo entender como as crianças indígenas se apropriam da linguagem escrita, cujo processo inicial de escolarização é feito em língua portuguesa L2. Entendemos que a concepção Histórico-Cultural pode contribuir, mais adequadamente, nos processos de ensino e aprendizagem das crianças indígenas no início da escolarização, nesse sentido o texto que segue tem como fundamento teórico os pressupostos da Teoria Histórico-Cultural (THC), para a qual a linguagem escrita é constituída socialmente nas interações humanas sendo, então, elemento fundamental na aprendizagem e desenvolvimento da criança. Organizamos o texto em dois momentos. O primeiro refere-se aos conceitos da THC e na sequência a apropriação da linguagem escrita com as crianças Kaingang durante o processo de escolarização.Palavras-chave: Teoria Histórico-Cultural; Apropriação da Linguagem Escrita; Indígenas Kaingang.
O pacto com a leitura e escrita no Estado da Bahia: normalização, disciplina e controle para governar a infância
Authors: PEREIRA REGINALDO SANTOS , DINIS NILSON FERNANDES
Published: October 2019

Este artigo analisa como são organizadas as atividades de leitura e escrita na Proposta Didática para Alfabetizar Letrandodo Programa Pacto pela Educação(PPE)no estado da Bahia. A partir dos pressupostos teóricos de Michel Foucault, discute como essas atividades normalizam, disciplinam, controlam e produzem as subjetividades das crianças e professoras no processo de alfabetização. O estudo foi de caráter documental e utilizou a ferramenta analítica discursiva da arqueogenealogiafoucaultiana. Os resultados indicam que, mediante um jogo discursivo, são produzidos na e pela Proposta os discursos pedagógicos sobre alfabetização, rígidos tempos e espaços de ensinar e aprender, práticas de controle e normalização, as quais conduzem o governo de docentes e crianças no aprendizado da leitura e escrita.
Colorimetric Determination of Pb2+ Based on Ionochromic Polydiacetylene/Anionic Surfactant Materials
Authors: Pattanatornchai Thanutpon , Boonmalai Apichart
Published: October 2019

The purpose of this work was to develop efficient ionochromic polydiacetylenes for lead ion (Pb2+) detection. The method developed used co-assemblies of polydiacetylene and anionic surfactant. The co-assemblies were prepared by mixing 10,12-pentacosadiynoic acid (PCDA) with sodium dodecyl sulphate (SDS) and subsequent UV irradiation-polymerization. The effects of mole ratio of PCDA to SDS, detection limit and stability were investigated. A color transition of poly(PCDA/SDS) co-assemblies with Pb2+ from blue to red was directly observed without the use of any technological equipment. However, Ni2+ and Fe3+ were non-responsive. The co-assemblies of poly(PCDA/SDS) showed rapid ionochromic response and selectivity to Pb2+ in aqueous solution. Based on this approach, the reagent has many advantages such as simple preparation, low cost, low chemical consumption and fast analysis. It is an alternative method for the development if sensing material for the detection of metal ions contaminating the environment.
Effect on the Properties of Brake Pads of Recycling Dust as Filler
Authors: Chanadusakorn Kanokwan , Kaewlob Kritsana , Reubroycharoen Prasert
Published: October 2019

This research is focused on the effect recycling dust (RD) on properties and performance of brake pad composites. Recycling dust was produced from grinding process of in-finishing products to standard thickness and was used as a new friction material in brake pads. Based on a simple experimental formulation, the proper type of recycling dust reused in brake pad formula was investigated by changing recycling dust type in mixing process. In the experiment, the properties of brake pads, hardness, density, porosity, and Young’s modulus were measured. Furthermore, the morphology and composition of recycling dust will be characterized by X-Ray Fluorescence (XRF), and Scanning Electron Microscopy (SEM). The developed composite brake pad showed that the value of density and compressibility increased while the value of hardness and Young’s modulus decreased by adding 10wt% of recycling dust to commercial brake pad formulation. Hence, the benefit of this work is using recycling dust as one of alternative fillers in disc brake pad materials without compromising the quality and performance.
Proposal of new expressions for the calculation of section factor on structural steel columns in contact with walls
Authors: Correia António , Lopes Paula , Rodrigues João , Correia José
Published: October 2019

The fire resistance of a steel column is highly affected by the contact between the columns and the walls, leading in general to a favorable effect due to the reduction of temperatures. However, it leads to the Thermal Bowing effect, which is not more than a differential heating in the steel cross sections, causing an inversion of bending moments and an inversion of the deflections of the column. Thus, it is necessary to accurately assess the evolution of the temperature field in the cross section of the steel elements in contact with walls. In Eurocode 3 part 1-2, the structural design of steel elements in fire situation is performed with expressions for the calculation of the section factor of steel profiles, but different cases of positioning the columns and the surrounding walls could be considered as causing extremely high thermal gradients. In this paper, a new approach for the calculation of section factors for cases not included in table 4.2 of Eurocode 3, part 1- 2 are presented. This was achieved using numerical models with finite element modelling with the ABAQUS program, varying the cross-section of the columns, orientation of the web in relation to the walls, and the position and thickness of the walls, to achieve the desired section factors.
Information sources in physiotherapy
Authors: Rossouw S. F.
Published: October 2019

The need for research workers to be thoroughly familiar with the literature is briefly discussed against the background of the information explosion. Methods of staying abreast of the current literature, as well as information sources and services available to obtain in-depth retrospective literature searches in physiotherapy are described, with emphasis on the major indexing and retrieval sources available in South Africa.
Endogenous growth, capital accumulation and Thirlwall's dynamics: the case of Latin America
Authors: Perrotini-Hernández Ignacio , Vázquez-Muñoz Juan Alberto
Published: October 2019

The article draws together the analyses of the interaction between economic capacity (ec), the endogeneity of the natural growth rate (gn) and the growth rate consistent with balance-of-payments equilibrium (gtb) that constrains economic activity. We identify two possible scenarios: the self-correcting scenario where gtb is more elastic than the normal natural rate of growth (gnn) vis-à-vis ec, and the self-aggravating scenario where gnn is more elastic than gtb with respect to ec. We empirically assess our central tenet (ec is a determinant of the relations between gtb, gw and gnn) for the cases of Argentina, Brazil, Chile and Mexico, and found that, in all countries, the relationships between ec and gnn and between ec and gtb are positive, except in the case of Argentina where the relation between gtb and ec was negative in the sub-period 1975–1990.
Comparative Evaluation of Mixture of Calcium Hydroxide and Chlorhexidine, with Triple Antibiotic Paste and Combination of Calcium Hydroxide, Chlorhexidine, and Lycopene on Incidence of Interappointment Flare-up: An in vivo Study
Authors: Bilgi Priyanka S , Mehta Jash
Published: October 2019

Background

The present study was undertaken to evaluate the most suitable intracanal medicament with the least incidence on Interappointment flare-up.

Aim

To clinically evaluate and compare the effect of combination of calcium hydroxide (CH) and chlorhexidine (CHX) with triple antibiotic paste and combination of CH, CHX, and lycopene on interappointment flare-up.

Materials and methods

A total of 36 patients requiring root canal treatment were selected according to the selection criteria and divided into three groups: Group I – CH and CHX, group II – triple antibiotic paste, and group III – CH, CHX, and lycopene. Access opening and biomechanical preparation of all samples, and intracanal medicaments were placed respectively. Subsequently, interappointment flare-up was assessed at 1, 2, 3, 7, and 14 days using verbal rating scale.

Statistical analysis used

One way analysis of variance test and Tukey's post hoc test.

Results

There was no statistically significant difference seen in the clinical performance of CH + CHX, triple antibiotic paste, and mixture of CH + CHX + lycopene at the end of 14 days in terms of interappointment flare-up.

Conclusion

All the intracanal medicaments were effective in reducing interappointment flare-up at the end of 14 days.

How to cite this article

Bilgi PS, Shah NC, Mehta J. Comparative Evaluation of Mixture of Calcium Hydroxide and Chlorhexidine, with Triple Antibiotic Paste and Combination of Calcium Hydroxide, Chlorhexidine, and Lycopene on Incidence of Interappointment Flare-up: An in vivo Study. Int J Clin Dent Res 2017;1(1):10-14.
An in vitro comparative Evaluation of Fracture Strength of Roots Instrumentated with Self-adjusting File and Reciproc Reciprocating File, with and without Obturation
Authors: Kabra Pooja
Published: October 2019

Aim

The purpose of this study was to evaluate the fracture strength of roots instrumented with the self-adjusting file (SAF; ReDent-Nova, Ra'anana, Israel) and the Reciproc reciprocating file and that were and were not obturated using the warm vertical lateral compaction technique.

Materials and methods

In total, 75 mandibular premolar teeth were sectioned at or below the cementoenamel junction to obtain roots 13 mm in length. The roots were balanced with respect to buccolingual and mesiodistal diameters and weight. They were distributed into four experimental groups and one control group (n = 15): No instrumentation (group I), instrumentation with SAF files but no obturation (group II), instrumentation with SAF files and obturated with warm vertical lateral compaction (group III), instrumentation with Reciproc File but no obturation (group IV), and instrumentation with Reciproc File and obturated with warm vertical lateral compaction (group V). AH Plus sealer (Dentsply DeTrey, Konstanz, Germany) was used along with gutta-percha points. One week later, a vertical load was applied to the specimen's canal until fracture occurred. Data were statistically analyzed using one-way analysis of variance (p = 0.05).

Results

The mean fracture load was 312.83 N for group I, 297.35 N for group II, 359.15 N for group III, 231.51 N for group IV, and 275.81 N for group V.

Conclusion

The fracture resistances exhibited a statistically significant difference between all the groups. Teeth instrumented by SAF exhibited a better fracture resistance.

How to cite this article

Tyagi S, Choudhary E, Kabra P, Chauhan R. An in vitro comparative Evaluation of Fracture Strength of Roots Instrumentated with Self-adjusting File and Reciproc Reciprocating File, with and without Obturation. Int J Clin Dent Res 2017;1(1):20-25.
Malaria: A Cause of Anemia and Its Effect on Pregnancy
Authors: Kaur Prabhjot , Bhatia Arun , Midha Kanav , Debnath Mampi
Published: October 2019

Malaria is one of the major health problems in the world. It remains an important cause of very high human morbidity and mortality, especially, among children and pregnant women. It results from the infection of parasites belonging to the genus Plasmodium. Plasmodium falciparum and Plasmodium vivax are the major pathogens responsible for causing human malaria. Approximately 75% of cases are caused by P. falciparum and associated with the mortality rate of approximately 0.5 to 1.0%. Both P. falciparum and P. vivax induce anemia during their erythrocytic stages of infection. Most of the malarial infections are related to some degree of anemia, the severity of which depends upon patient-specific characteristics (e.g., age, innate and acquired resistance, comorbid features, etc.) as well as parasite-specific characteristics (e.g., species, adhesive, and drug-resistant phenotype, etc.). Malarial anemia encompasses reduced production of erythrocytes as well as increased removal of circulating erythrocytes in the bone marrow. Susceptibility to severe malarial anemia is associated with the polymorphisms of the cytokines, which are likely to function by perturbing erythropoiesis. This article reviews the epidemiology, pathophysiology, clinical features, treatment, and various complications occurring due to malarial anemia. The second part of this article also focuses on the effect of malaria during pregnancy. Some significant effects of malaria during pregnancy include spontaneous abortion, preterm delivery, low birthweight, stillbirth, congenital infection, and maternal death.

How to cite this article

Saxena R, Bhatia A, Midha K, Debnath M, Kaur P. Malaria: A Cause of Anemia and Its Effect on Pregnancy. World J Anemia. 2017;1(2):51-62.
MiR-1286 inhibits lung cancer growth through aerobic glycolysis by targeting PKM2
Authors: Li Hui , Lin Xuexia , Li Chaopeng , Li Jungai , Xu Xunxun , Meng Dongyue , Zheng Shushen
Published: October 2019

Introduction

This study aims to explore the effects of microRNA-1286 (miR-1286) on the development of non-small cell lung cancer (NSCLC) via the aerobic glycolysis pathway by targeting pyruvate kinase muscle isozyme M2 (PKM2).

Material and methods

The mRNA levels of miR-1286 in NSCLC tissues and mouse tumor tissues were detected by q-PCR. MiR-1286 was knocked down and overexpressed separately in A549 cells. The effect of miR-1286 on cell proliferation was determined by CCK8 assay. Western blotting was used to measure the expression of PKM2 protein. Lactate production assay was used to detect the aerobic glycolysis in A549 cells. The effect of miR-1286 in vivo was determined by xenograft assay.

Results

The mRNA level of miR-1286 decreased in NSCLC tissues compared with paired, tumor adjacent normal tissues. In addition, miR-1286 inhibited A549 cell proliferation in vitro. Moreover, knockdown of miR-1286 increased PKM2 expression and lactate production. Thus, miR-1286 expression negatively correlated with PKM2 in A549 cells. At the same time, in vivo experiments also showed that miR-1286 suppressed the growth of A549 cells and PKM2 was the target gene of miR-1286.

Conclusions

These data show that miR-1286 inhibits lung cancer proliferation via aerobic glycolysis by targeting PKM2, which suggests that the functions of miR-1286 in NSCLC may play a key role in tumor progression and that miR-1286 can be a promising predictive biomarker and potential therapeutic target for NSCLC.
Urinary excretion of renin and angiotensinogen in hypertensive children and adolescents
Authors: Zając Magdalena , Rybi-Szumińska Agnieszka , Storonowicz Justyna , Protas Piotr , Wasilewska Anna
Published: October 2019

Introduction

In recent years hypertension has become an emerging condition in the young population. It has been proposed that the renin–angiotensin system plays an important role in regulation of blood pressure. We assessed whether activation of the intrarenal renin-angiotensin system occurs in hypertensive children and adolescents and what better reflects its activity: urine angiotensinogen (AGT) or urine renin (REN).

Material and methods

The study was conducted on a sample of 58 subjects with primary hypertension (HT) and 29 normotensive children and adolescents. We measured urine REN and AGT excretion and assessed the values in relation to blood pressure (BP) and other clinical parameters. Both REN and AGT values were calculated by urine creatinine: REN/cr. and AGT/cr., respectively.

Results

We observed higher urine REN/cr. values in hypertensive subjects in comparison to the reference group (6.99 vs. 2.93, p = 0.003). Hypertensive participants showed positive correlations between urine REN/cr. and diastolic 24-hour BP (r = 0.42, p = 0.002) as well as between urine REN/cr. and urine AGT/cr. (r = 0.266, p = 0.044, respectively).

Conclusions

Increased urine REN/cr. in hypertensive children and adolescents and its positive correlation with BP may indicate its important role in the pathogenesis of HT. Perhaps urine REN/cr. could be a marker of intrarenal renin-angiotensin system activity. Nevertheless, further research should be undertaken to confirm this observation.
Prognostic value of XIAP and survivin expression in locally advanced breast cancer patients treated with anthracycline-based neoadjuvant chemotherapy
Authors: Pluta Piotr , Jesionek-Kupnicka Dorota , Pluta Agnieszka , Brzozowski Kamil , Braun Marcin , Kubicka-Wołkowska Joanna , Piekarski Janusz
Published: October 2019

Introduction

Neoadjuvant treatment in locally advanced breast cancer (LABC) is intended to decrease the cancer mass, increase the likelihood of radical resection and improve survival. Resistance to chemotherapy may depend on cellular expression of anti-apoptotic proteins. XIAP and survivin are the most potent inhibitors of apoptosis (IAP), but their role in drug-induced cancer cell apoptosis remains unclear. This study was designed to evaluate the impact of pre-treatment expression of XIAP and survivin on pathological complete response and survival in LABC patients.

Material and methods

The study included 60 LABC patients treated with anthracycline-based chemotherapy. XIAP and survivin expression was assessed immunohistochemically in pre-treatment core biopsy specimens.

Results

Pathological complete response was achieved in 33% of the LABC patients. Low/intermediate expression of both XIAP and survivin was significantly associated with pathological complete response (p  0.04 and p < 0.001, respectively) and positively correlated with disease-free survival (p = 0.017 and p < 0.001) and overall survival (p = 0.052 and p < 0.001). The area under receiver operating characteristics curves (AUC) revealed predictive value of survivin expression for relapse and death in breast cancer patients (AUC = 0.63, p = 0.001 and AUC = 0.8, p < 0.001, respectively).

Conclusions

Our findings suggest that downregulation of XIAP and survivin in LABC patients might predict better treatment outcomes after anthracycline-based chemotherapy. This, in turn, may indicate XIAP and survivin proteins as potential targets for innovative anticancer therapies.
Reaching goals through different means: will and cognition in the action of people with low and high action control
Authors: Hryniewicz Konrad , Borchet Judyta
Published: October 2019

Background

When observing how people strive to achieve their goals, we can discern two main styles. Some people accomplish their goals mainly through strong will while others may need additional and compound plans to rely on. Two different modes of implemen-tation of intentional behavior are explored.

Participants and procedure

Two correlational studies on young Polish adults (N = 227 and N = 516) were performed. Structural equations and modeling techniques using the partial least squares (PLS) method were used to verify the predictions.

Results

The first investigation revealed that the intention of saving money is achieved through the mechanism of implementation inten-tion. It was found that people with a low level of action control (state-orientation) and people with a high level of action control (action-orientation) implement a similar level of saving behavior. However, they do so in different ways. Action-oriented partic-ipants also seemed to make plans, and these plans supported goal attainment, though this process did not affect behavior to the same degree as for state-oriented participants. The results are discussed, drawing on the Julius Kuhl Action Control Theory as well as its explication which is the Theory of Personality Systems Interactions.

Conclusions

The present research indicates that cognitive mechanisms may compensate for volitional deficits (planning behavior) in people with low action control, whereas in the case of people with a high level of action control their will (intensification of intentions) plays a crucial role.
Mediatory effect of depression in the relations between cognitive reserve and cognitive abilities. Does a CR index matter?
Authors: Szepietowska Ewa
Published: October 2019

Background

Cognitive reserve (CR) explains the level of cognitive functioning in healthy aging individuals or those with brain dysfunctions. Various CR indexes include objective (e.g. education level), subjective (e.g. self-report methods of life activity), and their combinations. Data showing the impact of CR on cognitive performance are unclear due to the relationship between CR and depressive mood as well as due to the impact of depressed mood on cognitive functions. The current study was designed to determine the link between three different CR indicators and cognitive abilities of adult Poles. The analyses took into account intensity of depression, as a mediator for these links. Additionally, the study was designed to assess whether or not the contents of the self-reported part of the CR index were of significance for the relations.

Participants and procedure

The study was carried out in two unrelated groups of adult Poles (Group I, n = 130; Group II, n = 90). Assess-ment of CR took into account three indexes (CR based on self-reported activity in life, CR additionally contain-ing information on formal education, and CR supplemented with information related to occupational activity). Cognitive capacity was assessed using the Montreal Cognitive Assessment Scale (MoCA), Vocabulary, as well as Digit Span Forward and Backwards. Intensity of depression was measured using Beck Depression Inventory (BDI) II. The self-report part of the questionnaire used to measure CR in Group I contained items mainly about past life and in Group II consisted of more items about both past life and current activity.

Results

The greater CR corresponds to higher scores in cognitive tasks and lower intensity of depressive mood. This is in line with previous research reporting that a higher level of the reserve may protect against mood disorders. Depression mediates the links between CR and the cognitive functions, reducing the positive impact of CR. These relations were visible in Group I, where CR based on self-reported activity in life comprised items about (mainly) past life.

Conclusions

Self-report techniques used in CR assessment may be inadequate as a tool for describing the reserve, due to the link between self-report and emotional state. However, a more detailed self-report component of the CR indicator about both past and current life may correspond to a weaker or insignificant relation between CR and depressive mood as well as between depression and cognitive capacities. Varied approaches to operationali-sation of CR result in discrepancies regarding the role of resources in the stabilisation and dynamics of cogni-tive status in ageing people and in clinical groups.
Patriarchal family relationship under threat during forced migration. The case of Burundians in Mahama refugee camp, Rwanda
Authors: Iyakaremye Innocent , Musabyimana Pudentienne , Umutoni Jane
Published: October 2019

Background

Patriarchal structure puts men in a position to rule, control, decide, and provide for the family and the house-hold. However, during forced migration, men’s resources and survival capacity are reduced and are dependent on humanitarian donors’ decisions. While the literature focuses on migrant men’s struggle to cope with life, little is known about how forced migration affects the existing relationships of couples from a patriarchal back-ground. This paper sheds light on this matter using the case of Burundian refugees received in Mahama Camp, Rwanda, since April 2015.

Participants and procedure

Twenty-one men chosen through systematic and purposive sampling techniques were included in the study, of whom 10 were interviewed individually and 11 were approached in a focus group discussion (FGD). Five key informants also contributed to this study. This is a qualitative study during which data were collected using semi structured interview and FGD guides.

Results

The results showed that forced migration brought changes in patriarchal family relationships as well as in tradi-tional gendered roles. Almost all the participants confirmed that in Mahama refugee camp, men were no longer providers for their families and one third specified that men were no longer heads of families. Rather, women found an opportunity to be breadwinners, providers, decision makers, and dominant. This new structure nega-tively affected the relationships of couples and family security.

Conclusions

The study suggested the creation of a special family promotion service within the camp, organisation of cam-paigns on gender equality and positive masculinity, and the establishment of spaces for men and women to work and produce rather than totally depending on the international community.
Happy people: Who are they? A pilot indigenous study on conceptualization of happiness in Vietnam
Authors: Trinh Linh , Khanh Ha
Published: October 2019

Background

Happiness or subjective well-being has been a popular subject of psychological research in the past decades. Besides certain mutual agreement on the definition of happiness, most of the authors also believe that for each individual, happiness or subjective well-being is significantly influenced by the culture he or she belongs to. Therefore, local definitions of happiness formed in specific cultural contexts need to be clarified and developed systematically. This is the theoretical starting point for us to conduct this preliminary research.

Participants and procedure

Research subjects including 58 Vietnamese were selected as convenient samples, living and working in Hanoi. The subjects’ average age is 23.90 (SD = 2.48). Data were collected via in-depth interview. The data analysis was performed by thematic analysis based on the procedures proposed by Braun and Clarke, then processed with SPSS 22.0 for quantitative assessment.

Results

The results of data analysis indicate the following criteria to consider an individual as being happy or unhappy: 1) material living standard; 2) health and outlook; 3) self-actualization; 4) community belonging; 5) social rela-tionships; 6) relationships with other family members; 7) positive psychological qualities; 8) personal safety; and 9) some other external factors. Of these, positive psychological qualities were chosen with the highest fre-quency, followed by self-actualization, social relationships, and relationships with other family members. The results of quantitative analysis also show a statistically significant difference in terms of positive psychological qualities by gender.

Conclusions

The research results might be explained from a socio-cultural perspective and provide a scientific basis for large-scale studies on this topic in Vietnam.
Investeren in de ontwikkeling van sterk leiderschap van zorgprofessionals en zorgteams: Een ontwikkeling naar duurzame inzetbaarheid
Authors: van Dorssen-Boog Pauline , van Vuuren Tinka , Yigit Cafer
Published: October 2019

Duurzame inzetbaarheid is binnen de gezondheidszorg een urgent onderwerp op de beleidsagenda van politiek en (HR) management. Ziekteverzuim en personeelsverloop nemen toe, terwijl naar verwachting in de toekomst nog meer mensen nodig zijn om de zorg te kunnen blijven garanderen in Nederland.
Dit artikel beschrijft een interventieaanpak waarbij medewerkers en teams leren om zelf te sturen op werkplezier en werkvermogen, met als gevolg minder ziekteverzuim en verloop. Vanuit diverse motivatietheorieën beschrijven we zes grondprincipes voor interventie-ontwerp die naar verwachting
bijdragen aan het versterken van zelfleiderschap van medewerkers en gedeeld leiderschap van teams. We verwachten dat zij hierdoor beter in staat zijn om zelf invloed uit te oefenen op hun eigen werkplezier en werkvermogen en daarmee ook op hun duurzame inzetbaarheid. In 2018 zijn deze grondprincipes
toegepast bij een interventieproject binnen Kennemerhart - een zorgorganisatie voor verpleeghuis- en thuiszorg. We beschrijven de inhoud van de interventies en de kwalitatieve evaluatie van dit project, waarna we afsluiten met conclusies en aanbevelingen voor de praktijk.