bluuebunny/crossref_metadata_2025 huggingface dataset:
A newly discovered neural stem cell population is generated by the optic lobe neuroepithelium during embryogenesis in Drosophila melanogaster
Authors: Hakes Anna E. , Otsuki Leo , Brand Andrea H.
Published: September 2018

Neural stem cells must balance symmetric and asymmetric cell divisions to generate a functioning brain of the correct size. In both the developing Drosophila visual system and mammalian cerebral cortex, symmetrically dividing neuroepithelial cells transform gradually into asymmetrically dividing progenitors that generate neurons and glia. As a result, it has been widely accepted that stem cells in these tissues switch from a symmetric, expansive phase of cell divisions to a later neurogenic phase of cell divisions. In the Drosophila optic lobe, this switch is thought to occur during larval development. However, we have found that neuroepithelial cells start to produce neuroblasts during embryonic development, demonstrating a much earlier role for neuroblasts in the developing visual system. These neuroblasts undergo neurogenic divisions, enter quiescence and are retained post-embryonically, together with neuroepithelial cells. Later in development, neuroepithelial cells undergo further cell divisions before transforming into larval neuroblasts. Our results demonstrate that the optic lobe neuroepithelium gives rise to neurons and glia over 60 h earlier than was thought previously.
Divalent ions tune the kinetics of a bacterial GTPase center rRNA folding transition from secondary to tertiary structure
Authors: Welty Robb , Pabit Suzette A. , Katz Andrea M. , Calvey George D. , Pollack Lois , Hall Kathleen B.
Published: September 2018

Folding of an RNA from secondary to tertiary structure often depends on divalent ions for efficient electrostatic charge screening (nonspecific association) or binding (specific association). To measure how different divalent cations modify folding kinetics of the 60 nucleotideE.colirRNA GTPase center, we combined stopped-flow fluorescence in the presence of Mg2+, Ca2+, or Sr2+together with time-resolved small angle X-ray scattering (SAXS) in the presence of Mg2+to observe the folding process. Immediately upon addition of each divalent ion, the RNA undergoes a transition from an extended state with secondary structure to a more compact structure. Subsequently, specific divalent ions modulate populations of intermediates in conformational ensembles along the folding pathway with transition times longer than 10 msec. Rate constants for the five folding transitions act on timescales from submillisecond to tens of seconds. The sensitivity of RNA tertiary structure to divalent cation identity affects all but the fastest events in RNA folding, and allowed us to identify those states that prefer Mg2+. The GTPase center RNA appears to have optimized its folding trajectory to specifically utilize this most abundant intracellular divalent ion.
A heart-breaking disease: how to prevent lungworm infection
Authors: Elsheikha Hany
Published: September 2018

Since first detected in the British Isles, in a Greyhound in Ireland in 1968, the lungworm Angiostrongylus vasorum has spread to become a prevalent parasitic disease, and a leading cause of morbidity and mortality, in dogs. Faced with the increasing threat posed by canine lungworm, parasitologists are tracing the geographic spread of infections; and some clinicians remain uncertain about the optimal frequency of dosing for preventive therapy. For this reason, control of canine lungworms has been an increasingly important focus of the veterinary profession, with significant progress being made on a number of fronts, particularly the diagnosis and treatment of lungworm disease. One notable success has been the development of potent anthelmintic drugs to control this disease. Despite this progress, infection due to A. vasorum remains a formidable clinical problem, and may continue to do so for many years to come. What has been learned over the past decade, is that control of lungworms is too complex to be handled by a single approach; and any attempt to do so may be unsuccessful. In this article, the author argues that the implementation of integrated parasite control strategies is crucial, in order to mitigate the risks caused by lungworms, reduce the transmission of infection and improve treatment outcomes.
San Diego pelvic osteotomy in patients with closed triradiate cartilage
Authors: Murar J. , Dias L. S. , Swaroop V. T.
Published: September 2018

Purpose

A San Diego pelvic osteotomy is frequently used as part of the surgical treatment of neuromuscular patients with hip displacement. This short-term follow-up study assesses the effectiveness of this osteotomy in patients with closed triradiate cartilage compared with open triradiates.

Methods

Retrospective review of 43 patients (44 hips) with neuromuscular hip disease who underwent a San Diego pelvic osteotomy to correct hip displacement. In all 24 hips had open triradiate cartilage at the time of surgery and 20 hips were closed. Centre edge angle (CEA), acetabular angle (AA) and Reimer's index (RI) were recorded from preoperative, postoperative and the latest follow-up radiographs and statistical analysis was performed.

Results

CEA improved by 39° (7° to 69°) in the open group and 30° (9° to 80°) in the closed group from preoperative radiographs to postoperative, with no significant difference in improvement between groups (p = 0.084). There was no significant difference in AA between the open (improved by 11° (3° to 23°)) and closed (improved by 10° (4° to 21°)) groups (p = 0.65). RI improved from 61% to 11% in the open group and 51% to 12% in the closed group. There was no statistically significant difference between groups in RI at preoperative, immediate postoperative and final follow-up radiographs. At latest follow-up, CEA, AA and RI all remained relatively stable in both groups.

Conclusions

San Diego pelvic osteotomy is equally effective in improving radiographic parameters in neuromuscular patients with both open and closed triradiate cartilage. This study challenges the notion that closed triradiate cartilage is a contraindication to a San Diego pelvic osteotomy.

Level of Evidence

III
Book review
Authors: Crean St John
Published: September 2018

If you are a publisher and have any books you’d like us to review, please get in touch at fdj@rcseng.ac.uk
Encuentro de Cine Documental Santa Fe 2017
Authors: Cine Documental Cuadernos de
Published: September 2018

Encuentro de Cine Documental Santa Fe 2017
Materiales para una introducción al cine:
Authors: Beceyro Raúl
Published: September 2018

En el Taller de Cine UNL, como introducción al fenómeno cinematográfico, se exhiben tres películas a sus alumnos: El Ciudadano, de Orson Welles,If... de Lindsay Anderson y Detrás de los olivos, de Abbas Kiarostami. Estos tres films se analizan en clase y los materiales que se utilizan son los que a continuación se presentan.
Aplicação de gráficos de Controle Estatístico de Processos para o monitoramento dos casos de meningite no município de Joinville
Authors: Henning Elisa , Formigoni Carvalho Walter Olga Maria , Alves Custodio Da Cunha , Samohyl Robert Wayne
Published: September 2018

O monitoramento e controle de epidemias permitem melhor atuação das autoridades sanitárias e a criação de políticas preventivas visando assegurar a saúde da população. A aplicação de gráficos de Controle Estatístico de Processos na saúde pública tem tido uma evolução crescente nos últimos anos. Este artigo tem por objetivo investigar e analisar a aplicação de gráficos de controle para medidas individuais no monitoramento das notificações dos casos de meningite no município de Joinville/SC. Além do gráfico de Shewhart popular pela sua simplicidade, são analisadas também as aplicações de um gráfico do tipo Shewhart modificado, um gráfico de Somas Acumuladas (CUSUM) e para finalizar o de Média Móvel Exponencialmente Ponderada (EWMA). Os dados analisados correspondem às notificações mensais no período entre janeiro de 2008 a dezembro de 2011 e tem origem no Sistema de Informação de Agravos de Notificação (SINAN).  Todos os gráficos de controle utilizados mostraram-se viáveis para o monitoramento dos dados. O gráfico de controle do tipo Shewhart sinalizou pontualmente os meses de agosto e novembro de 2010 com maior quantidade de ocorrências. No mesmo ano, os gráficos CUSUM e EWMA indicaram tendência de aumento nos casos de meningite a partir de agosto. Em 2011 também ocorreu do aumento nos casos acontecer, principalmente no final no segundo semestre.
Revisão integrativa sobre fatores que facilitam e dificultam a aprendizagem gerencial nas organizações
Authors: Macedo Marcelo , Botelho Louise De Lira Roedel , Gerhmann Simony Sintia
Published: September 2018

O campo de estudo da aprendizagem gerencial tornou-se um cenário profícuo de pesquisas científicas. Mesmo com a relevância do tema para os estudos organizacionais, no Brasil os estudos ainda são incipientes. O objetivo deste trabalho é apresentar alguns resultados encontrados a partir de uma revisão integrativa da literatura sobre aprendizagem gerencial, e construir um arcabouço de conhecimentos sobre fatores que facilitam e dificultam a aprendizagem gerencial nas organizações. Os resultados obtidos mostram que no campo das teorias organizacionais, a aprendizagem gerencial inicia seu processo de emersão, advinda das novas teorias de gestão. Apesar de ser uma área de estudos da ciência da Adminstração muito conceituada internacionalmente, no Brasil, ainda necessita de pesquisas tanto no nível teórico, quanto no nível empírico. Espera-se com este trabalho que o tema da aprendizagem gerencial nos estudos organizacionais estimule novas pesquisas acadêmicas em nível nacional.
Adequações ao uso de aplicações e serviços de TV digital interativa no processo de gestão do conhecimento
Authors: Macedo Marcelo , Gauthier Fernando
Published: September 2018

Este artigo aborda a TV Digital Interativa como uma das tecnologias da Era do Conhecimento que podem auxiliar no processo de Gestão do Conhecimento organizacional. As aplicações e serviços de TVDI podem ser utilizados para fazer uma ponte estratégica entre essa nova tecnologia e o processo de Gestão de Conhecimento nas organizações. Nesse sentido, o objetivo principal desta pesquisa é propor um modelo para analisar a adequação ao uso de recursos da TV Digital Interativa à Gestão do Conhecimento organizacional. O modelo desenvolvido trata da relação entre as características e as cinco fases de criação de conhecimento do modelo de Nonaka e Takeuchi, e outra relação entre as aplicações e serviços de TVDI e as características do modelo de Nonaka e Takeuchi. A validação do modelo, com a definição dos conceitos de suporte, contexto e confiança, foi realizada a partir da relação entre a teoria sobre GCO e TVDI, a percepção do autor na aplicação do modelo, e entrevistas com especialistas em TVDI e GC sobre a análise realizada, o método desenvolvido e a necessidade de possíveis mudanças. O modelo foi considerado útil e pertinente por todos os especialistas e alguns pontos positivos foram destacados, tais como: utilidade para fixar o conteúdo; permite a utilização por qualquer tipo de organização; possibilita a paremetrização de cenário, permitindo a análise objetiva de novos negócios que podem surgir; e permite que sejam inseridas outras variáveis.
Aplicação de Técnicas de Pesquisa Operacional com Foco na Otimização de Roteiros Turísticos
Authors: Neto João Cardoso , Almeida Cleibson Aparecido de , Roveroto Giovani
Published: September 2018

Este trabalho apresenta alternativas para reduzir as distâncias percorridas em cinco roteiros turísticos localizados no Chile. A coleta de dados foi realizada em duas fases: no primeiro momento foram coletadas informações referentes aos principais pontos turísticos das cidades de Santiago, Antofagasta, Valparaíso, Viña del Mar e Concepcion; em seguida foram coletadas as distâncias entre cada ponto turístico. As metodologias empregadas para otimizar cada roteiro foram o problema do caixeiro viajante, o método da inserção mais econômica e a heurística de melhoria de rota 2-opt. Os resultados indicaram que todos os roteiros podem ser otimizados, garantindo uma redução nas distâncias percorridas e consequentemente a redução de custos operacionais. Conclui-se que as técnicas de pesquisa operacional podem auxiliar os orgãos responsáveis pelo turismo nas cinco cidades estudadas.
Projeto de Mobiliário para Famílias das Classes Econômicas C e D, com abordagem do Design Sustentável.
Authors: Mendonça Luiza Boaventura , Da Silveira Roni , Do Nascimento Jonas Sidney , Mafra Eliane Terezinha Schmitz , Tomaz Duarte Marcia Adriana
Published: September 2018

Os móveis destinados a famílias das classes sociais C e D, são chamados de populares, onde atualmente muito destes produtos não contemplam as necessidades da nova realidade das residências e condições de moradia destas pessoas. Neste intuito este artigo visa introduzira inserção de aspectos do design social e sustentável no processo de desenvolvimento de produtos pela proposta conceitual de um móvel destinado as famílias destas classes que residem em espaços reduzidos, que seja de fácil montagem e desmontagem, de longa vida útil e com uso reduzido de recursos em sua produção. Nesse sentido, foi aplicado o modelo de referência do processo de desenvolvimento de produtos proposto por Rozenfeld com a utilização de ferramentas apresentadas por Baxter. Os resultados apresentados comprovam que a utilização de tais métodos possibilitou a criação de um conceito de produto que pretende contribuir para uma melhor qualidade de vida dessas pessoas, sendo economicamente viável pelas características de multifuncionalidade e flexibilidade, ao uso em ambientes diversos como por exemplo: rack, mesa de centro, mesa lateral, mesa de apoio e estante com características de mobilidade. O produto proposto privilegia o uso racional de recursos, atendendo as características de sustentabilidade econômica e ambiental adequado as necessidades de pessoas das classes C e D. Para este produto foi confeccionado um mockup que tem sido testado pela equipe cujos resultados obtidos tem sido satisfatórios.
Sprawozdanie z ogólnopolskiej konferencji naukowej „Prawny model zatrudnienia nauczyciela akademickiego”, Poznań, 15 stycznia 2016 r.
Authors: Bocheńska Aleksandra
Published: September 2018

Sprawozdanie z ogólnopolskiej konferencji naukowej „Prawny model zatrudnienia nauczyciela akademickiego”, Poznań, 15 stycznia 2016 r.
Inteligentne sieci jako platforma umożliwiająca innowacyjną działalność przedsiębiorców w sektorze elektroenergetycznym - problematyka prawna
Authors: Trupkiewicz Marcin
Published: September 2018

This paper is an analysis of smart grids and smart metering concept under Polish energy law. The main focus is put on the innovative potential which will become available in the electricity market once the energy system in Poland is based on smart grids and when energy consumers are billed with the use of smart metering. In the ﬁrst part of the paper, the concept of a smart grid and its innovative characteristics is presented. The main emphasis is put on cooperation between businesses operating in the energy sector and those in the IT sector. This innovative approach is indirectly determined by numerous EU legislative acts which set out trends and directions of development of the energy transmission system. The second part addresses the legal requirements of implementing a smart grid concept and looks at how this issue is understood the Polish regulatory authority and others bodies of central administration responsible for the energy sector. The paper ends with an identiﬁcation of potential beneﬁts arising from the implementation of smart grids and smart metering, which include: renewable energy resources, energy efficiency, energy security and the mechanism of demand side management. All these can contribute to the development of businesses involved in the energy sector and the development of a competitive electricity market in Poland.
Elektroniczne budżety obywatelskie w największych miastach Polski
Authors: Matusiak Justyna
Published: September 2018

Electronic participatory budgeting is becoming an important element of social consultations. The legal ground for its operation at the municipal level is provided in Article 5a of the Act of municipal self-government. The organisation of participatory budgeting is a manifestation of direct democracy that allows citizens to express their approval or disapproval of the actions taken by local authorities. It also reﬂects the level of citizen e-participation in public life. In Poland e-participation is still at a developing stage and therefore needs to be further researched in comparative studies. This article is an attempt to determine whether in the largest cities in Poland e-participation is used in voting on city budgets and if the answer if in the affirmative, which e-tools are available and used, and to what extent. By analysing relevant and applicable legislation, the possibility of electronic ﬁling of projects as well as the number of e-voters have been researched. All budgeting processes taking place in Warszawa, Kraków, Łódź, Wrocław and Poznań since 2015, when the project started, have been examined. Citizen participatory budgeting as such started in Poland in 2011. However, the largest cities continue to encounter difficulties in their proper implementation. Resorting to electronic tools has not helped much, what is more, some municipal bodies, for the sake of least complexity, sometimes resign even from the use of electronic signature. If this is the case, a question may be asked about the reason for such poor e-participation of Polish citizens in this one of the few anyway, forms of e-participation available in Poland.
Kidney Donor Profile Index in the Case of Repeated Transplantation
Authors: Gritane Klinta , Jusinkis Janis , Malcevs Aleksandrs , Suhorukovs Vadims , Amerika Diana , Ziedina Ieva
Published: September 2018

Introduction. In 2014, new scoring system - Kidney Donor Profile Index (KDPI) was introduced. KDPI is a numerical measure that combines ten donor factors, including clinical parameters and demographics, to summarize into a single number the quality of deceased donor kidneys. There are some publications regarding usefulness of KDPI in the first kidney transplant recipients, however there are no data focusing on repeated transplantation patients. Aim of the Study. To determine the usefulness of kidney donor profile index as a risk marker of graft failure in repeated transplantation situations. Material and methods. A single-centre retrospective study was conducted. Patients who underwent a repeated transplantation from deceased donors between 2005. and 2013. were included in the study. Data about donor’s risk factors - age, height, weight, race, history of hypertension, history of diabetes, cause of death, serum creatinine, anti-HCV and if donor is after cardiac death - were collected and KDPI was calculated for all participants. Patients were divided into groups according to determined KDPI: Group 1 - KDPI <35%; Group 2 - KDPI 36 - 69%; Group 3 - KDPI >70%. For statistical analysis, IBM Statistical Package for the Social Sciences, version 21.0 was used. Results. A total of 72 patients were enrolled in the study. There were 17 patients (23.6%) in the 1. group, 38 patients (52.8%) in the 2. group and 17 patients (23.6%) in the 3. group. The most common cause of an end stage renal disease was chronic glomerulonephritis- 59.7% (n=43). Patients with higher KDPI developed acute rejection more often. In the group with KDPI <35% it was observed in 35.3%, while in the groups with KDPI 36 - 69% and KDPI >70% in 60.5% and 64.7% of patients, p = 0.02. Graft function differed significantly both, after one (p =0.01) and three years (p=0.04) with the highest eGFR results in the group with the lowest KDPI. The difference in graft survival rates was statistically significant, p = 0.027. After three- years it was 88.2% in the first group, 86.8% in the second group and 70.6% in the third group. Patient survival rates showed trend toward significance (p = 0.076) with only two patients lost during three- year follow up. Conclusions. KDPI presents relevance with repeated transplantation outcomes. Lower KDPI indicates better transplantation outcomes - superior graft function and better graft survival. However, there is only trend towards significance in patient survival rates.
Computation of the Thermal Residual Stresses in SiC/SiC Composites with Multi-Layered Interphases by Using ANN with the Structure of Random Forest
Authors: You Tao , Li Tingfeng , Zhai Xiang , Du Chenglie
Published: September 2018

In this paper, a hybrid strategy incorporating finite element computation, artificial neural network (ANN) method and Random Forest (RF) algorithm is proposed for computation of the thermal residual stresses (TRS) in SiC/SiC composites with multi-layered interphases. The finite element method is adopted to calculate the TRS of the unidirectional SiC/SiC composites. The ANN with the structure of Random Forest (RFANN) is employed to approximate the non-linear relationship between the multi-layered interphases thicknesses and the TRS of the SiC/SiC composites. The well-trained RFANN is finally used to compute the TRS of a unidirectional SiC/SiC composite with six layers of interphases.
Three- Dimensional Hydromagnetic Convective Flow of Chemically Reactive Williamson Fluid with Non-Uniform Heat Absorption and Generation
Authors: Kumar S. Geethan , Varma S. V. K. , Kiran Kumar R. V. M. S. S. , Raju C.S.K. , Shehzad S. A. , Bashir M.N.
Published: September 2018

The electrically conducting three-dimensional Williamson fluid flow produced by the movement of sheet via porous medium under non-uniform heat sink and source, thermal radiation and convective boundary condition is examined. The system of nonlinear expressions is transformed into nonlinear ordinary differential system of equations. These governing expressions are evaluated numerically with the help of boundary value problem default solver in MATLAB bvp4c package. Pertinent results are demonstrated graphically to execute the effects of various governing parameters on dimensionless fields. The aspects of constraints on skin-friction, mass and heat transport rates are characterized via numerical benchmarks. It is noticed that the transverse and axial velocities are depreciated by respective Williamson fluid parameters, while the opposite trend is noticed on concentration and temperature fields.
Integration mechanism and transcendental semiosis
Authors: Lee Ji Hwan
Published: September 2018

Cognition consists of multiple layers. Each neuron group in layers processes information and transmits it to other layers. The more information is integrated, the more obvious and usable signs become. Horizontally, signs in semiosis are associated and mediated with each other. Vertically, they collaborate beyond the horizon; from sensory neuron to reflective consciousness. Semiosis involves trying to reach final interpretant through following a possible interpretation-course by the force of a guiding principle. Whereas, in trans-semiosis, we attempt to integrate two semioses despite their conceptual gap. In that situation, transcendence occurs. If integration is impossible, semiosis would rev up excessively. Accordingly, intense neural stimulations are generated. Once probable routes of interpretation have rapidly accumulated in quantity, they cross a threshold where restrictions are broken or do not exist. Then, we jump to a stable belief, attaining trans-interpretance that has competence for casually suturing a conceptual gap without any adequate foundation. The overflow of stimulation integrates into transcendence feelings that deviate from cognitive boundaries. That momentary strong feelings and trans-interpretance are connected with each other by a memory mechanism. Trans-interpretance creation leaves some unresolved surplus, reminding us of the once ignored gap and reactivate semiosis. However, if trans-interpretance is reformed and semiosis comes to a lull again, they can be strengthened.
Coherence and truthfulness in communication: Intracommunicational and extracommunicational indexicality
Authors: Elleström Lars
Published: September 2018

The aim of this article is to construct a model that demonstrates how human communication, involving all kinds of media, may not only correspond to but also put us in contact with what we perceive to be the surrounding world. In which ways is truthfulness actually established by communication? To answer this, the notion of indices is employed: signs based on contiguity. However, an investigation of indices’ outward direction – creating truthfulness in communication – also requires an understanding of their inward direction: establishing coherence. To investigate these two functions, further concepts and various elementary categorizations are proposed: it is argued that there are several types of contiguity and many varieties of indexical objects, which invalidates the coarse fiction–nonfiction distinction.
Atherogenic Impact of Homocysteine: Can HMG-CoA Reductase Inhibitors Additionally Influence Hyperhomocysteinaemia?
Authors: Nikolic Tamara , Srejovic Ivan , Stojic Isidora , Jeremic Jovana , Folic Marko , Matic Stevan , Rakocevic Milena , Jancic Snezana , Jakovljevic Biljana , Obrenovic Radmila , Djuric Dusan , Zivkovic Vladimir
Published: September 2018

The strong association among the risk of coronary artery diseases (CAD), high levels of LDL-C and low levels of HDLC is well established. Hyperhomocysteinaemia (HHcy) is an independent risk factor for cardiovascular disease (CVD) and causes endothelial dysfunction, a hallmark of atherosclerosis. In this study, we ascertained the influence of statins on the atherogenic index, as an indicator and a significant adjunct for predicting atherosclerosis in hyperhomocysteinaemic male Wistar albino rats. For 4 weeks, the animals were fed with one of the following diets (Mucedola SRL., Milan, Italy): standard rodent chow; a diet enriched in methionine with no deficiency in B vitamins or a diet enriched in methio-nine and deficient in B vitamins. The animals were simultaneously exposed to a pharmacology treatment with atorvastatin at dose of 3 mg/kg/day i.p. or simvastatin, at dose of 5 mg/kg/day i.p. We measured weight gain, food intake, and FER and determined the concentrations of biochemical parameters of dyslipidaemia (TC, TGs, LDL-C, VLDL-C, and HDL-C), AI, and CRR. A histopathological examination was conducted on portions of the right and left liver lobes from each animal. A connection between Hhcy and dyslipidaemia was indicated by the findings of biochemical and histological analyses, suggesting that Hhcy was a pro-atherogenic state. An improvement in the lipid profile along with a decrease in the atherogenic index by statins suggests that atorvastatin and simvastatin could be useful antiatherogenic agents, with protective activities during hyperhomocysteinaemia.
A parametric stationarity test with smooth breaks
Authors: Tsong Ching-Chuan , Lee Cheng-Feng , Tsai Li Ju
Published: September 2018

We propose a test to investigate the stationarity null against the unit-root alternative where a Fourier component is employed to approximate nonlinear deterministic trend of unknown form. A parametric adjustment is also adopted to accommodate possible stationary error. The asymptotic distribution of the test under the null is derived, and the asymptotic critical values are tabulated. We also show that it is a consistent test. Even with small sample sizes often encountered in empirical applications, our parametric stationarity test employing Fourier term has good size and power properties when trend breaks are gradual. The validity of the Fisher hypothesis for 15 OECD countries is investigated to illustrate the usefulness of our test.
Pengaruh Full Day School terhadap Pembentukan Karakter Religius Siswa
Authors: Raharjo Tri Yunita , Rohana Homsa Diyah , Istyarini Istyarini , Nurussaadah Nurussaadah
Published: September 2018

This article describes the eﬀect of full day school program at fve grade of Nasima elementary school of Semarang to develop student religious character seen from its implementation. This research used quantitative approach in terms of correlation and the data were gathered trough questionnaire, interview and documentation. The research results shown that the implementation of full day school program at fve grade of Nasima elementary school was good at 76%, the religious character of ffth grade student is good in general up to 72% and full day school program inﬂuenced signifcantly on the nurturing student religious character at 51,8%. Therefore, full day school program in Nasima elementary school of Semarang has a great potential to encourage student religious character trough daily habituation program.

Abstrak

Artikel ini menguraikan pengaruh pelaksanaan full day school dalam membentuk karakter religius siswa kelas V Sekolah Dasar (SD) Nasima, Semarang, dilihat dari pelaksanaan sistem full day school di SD Nasima, Semarang. Penelitian ini menggunakan pendekatan kuantitatif jenis korelasional. Data pada penelitian ini diperoleh dengan cara penyebaran angket, wawancara, dan dokumentasi. Hasil penelitian menunjukan bahwa pelaksanaan full day school di SD Nasima dalam kategori baik yaitu sebesar 76%, karakter religius siswa kelas V SD Nasima secara umum juga dalam kategori baik yaitu sebesar 72%, dan full day school berpengaruh secara signifkan sebesar 51,8% terhadap pembentukan karakter religius siswa kelas V SD Nasima Semarang. Dengan demikian program full day school sebagaimana digambarkan di SD Nasima, Semarang, potensial sebagai program dan sistem yang dapat meningkatkan karakter religius siswa asalkan titik tekan programnya adalah pada pembiasaan nilai-nilai religius.

Keywords: Full day school; character building; religious; elementary Islamic school
Pengembangan Model Pembelajaran Kooperatif Handep Berpasangan Berdasarkan Kaidah Quantum Teaching
Authors: Sarjoko Sarjoko , Demitra Demitra
Published: September 2018

This article describes the development of handep cooperative learning model consist of 3-4 members become pair handep cooperative learning model in the form of module and validated by experts and students who used it. The model of development used R2D2, that focused on the design and development stage. The draft of the model at the single-path prototype level validated by the learning expert and small group validation in context the of mathematics learning in secondary school, to get the model at alpha version level. The instrument is rubric and questionnaire for small group testing. The result of the research (1) the model has fulflled the principle of quantum teaching that is context orchestrations include an exciting learning atmosphere and solid foundation; (2) junior high school students rated the model interesting and fun; (3) learning steps that to be challenging on individual work steps and mutually assisting in solved the difcult problems for students individually; (4) the model has reached the alpha version level.

Abstrak

Artikel ini menjelaskan pengembangan model pembelajaran kooperatif handep beranggotakan 3-4 orang menjadi model kooperatif handep berpasangan dalam bentuk modul dan dinilai oleh pakar dan siswa yang menggunakannya. Model pengembangan yang digunakan adalah R2D2 (Recursive, Reﬂective, Design and Development), difokuskan pada tahap design and development. Draf model pada level single path prototype divalidasi oleh pakar pembelajaran dan uji kelompok kecil dalam pembelajaran matematika di SMP, untuk mendapatkan model pada level alpha version. Instrumen berupa koesioner dengan pertanyaan terbuka untuk validasi ahli, dan angket respon siswa untuk uji kelompok kecil. Hasil penelitian (1) model telah memenuhi kaidah Quantum teaching yaitu orkestrasi konteks meliputi suasana belajar yang menggairahkan dan landasan yang kokoh, (2) siswa SMP menilai model tersebut menarik dan menyenangkan, (3) langkah-langkah pembelajaran yang dirasakan menantang pada langkah bekerja secara individual dan saling membantu secara bergiliran dalam memecahkan masalah sulit bagi siswa secara individual, dan (4) model telah mencapai level alpha version.

Keywords: Aplha version; cooperative learning; pairs handep; quantum teaching; single path prototype
¿Por qué la economía necesita "su campo de Higgs"?
Authors: Mora Jiménez Henry
Published: September 2018

En física fundamental el campo de Higgs actúa como un mecanismo que genera la masa de las partículas con masa no nula y, por tanto, con movilidad limitada no cercanas a la velocidad de la luz. Pero la economía no ha podido desarrollar una teoría equivalente que explique las supuestas viscosidades y rigideces que impedirían el ajuste automático de precios y la libre movilidad de los factores. Conviene preguntarse: qué es esa viscosidad y qué características presenta. ¿Acaso se trata de algún "campo económico" desconocido o ignorado?
Cambio tecnológico endógeno y tasa de interés en la dinámica de la globalización
Authors: Firmenich Mario Eduardo
Published: September 2018

La dinámica macroeconómica en las últimas décadas ha sido vista desde la Nueva Teoría del Crecimiento, siendo Romer (1990) un artículo seminal. Este trabajo analiza ese modelo demostrando que algunos supuestos neoclásicos generan inconsistencias. Para construir un modelo teórico consistente que permita explicaciones plausibles, el artículo abandona algunos supuestos neoclásicos de Romer (1990) reemplazándolos por conceptos teóricos no neoclásicos. Se define algunos hechos estilizados de la globalización y se testea la capacidad explicativa del modelo transformado interpretando dichos hechos con esta nueva perspectiva. La conclusión es que mejora la capacidad teórica explicativa si no existe retorno endógeno al crecimiento equilibrado, ni convergencia automática global en renta per cápita, si el dinero y la tasa de interés son gestionados políticamente, si las preferencias temporales dependen de las expectativas sobre el futuro y si la globalización financiera no es vista como un mercado competitivo.
Un mortífero viaje en un cuento de Horacio Castellanos Moya
Authors: Villalobos Varela Brenda
Published: September 2018

El relato «Variaciones sobre el asesinato de Francisco Olmedo» se organiza a partir del eje temporal presente-pasado-presente. El narrador-personaje realiza un viaje en el que se comprueba que el pasado representa el reino de la mu erte, mientras que el presente se erige como el paraíso. El simbolismo muestra que el reino de la muerte-pasado corresponde a El Salvador, país de origen del protagonista, mientras que el paraíso presente son los Estados Unidos. Estas relaciones conllevan a una serie de implicaciones socio- ideológicas que el estudio describe.
La nueva novela histórica y la construcción de la feminidad en una novela de Gioconda Belli
Authors: Camacho Guzmán Gustavo
Published: September 2018

Se analiza El pergamino de la seducción, de Gioconda Belli, sobre Juana la Loca (1479-1555), la hija de los Reyes Católicos. Se estudian las construcciones de los personajes femeninos (Juana la Loca, Isabel laCatólica y Lucía), y se pone de manifiesto que, si bien la novela efectúa una reivindicación del personaje femenino y de su figura frente al varón, en la construcción de los personajes de la novela subyacen contradicciones respecto de esta posición frente a la figura masculina.
La enseñanza de lenguas extranjeras en universidades públicas de América
Authors: Sánchez Murillo Julio
Published: September 2018

En este artículo se tratan aspectos sobre la enseñanza de las lenguas extranjeras en las universidades públicas americanas: algunas referencias históricas, un inventario de idiomas enseñados, su estatus y los factores sociales, culturales, educativos, políticos y económicos que determinan su presencia en estas instituciones. El análisis se apoya en factores como peso de las lenguas y políticas lingüísticas para descubrir el lugar que las lenguas ocupan en el quehacer universitario.
Duración de la supresión viral en pacientes con VIH en terapia antiretroviral en Perú: análisis de sobrevida acumulada 2004-2012
Authors: Caballero Ñopo Patricia , Alarcón Villaverde Jorge , Piscoya Sara Julia Rosa , Reyes Puma Nora , Romero Ruiz Soledad , Obregón Cahuayo Cristian , Urbano Quispe Gustavo Alonso
Published: September 2018

Introducción. El objetivo primordial de los programas nacionales es la supresión de la replicación viral hasta niveles indetectables y el sostenimiento de esta respuesta virológica a lo largo del tiempo. El objetivo del estudio fue analizar la duración de la supresión viral en pacientes adultos con VIH que iniciaron tratamiento antiretroviral en el Perú durante el periodo 2004-2006 con seguimiento hasta el 2012 mediante análisis de sobrevida acumulada. Métodos. Se realizó un estudio observacional retrospectivo realizado en base a la cohorte histórica de pacientes que accedieron al programa nacional de tratamiento antirretroviral durante el periodo 2004 al 2006 en el Perú y que tuvo seguimiento hasta el 31 de diciembre del 2012. Resultados. Del total de 6289 pacientes, 5142(81,7%) iniciaron algún esquema de tratamiento y 4530(72%) alcanzaron supresión viral, la cual se sostuvo por tiempo variable durante el periodo de observación. Según la tasa de sobrevida acumulada el 91,1% mantuvieron supresión viral hasta 1 año, 84,6% hasta 2 años, 80,2% hasta 3 años, 77,1% hasta 4 años, 74,1% hasta 5 años y 70,1% hasta 6 años. Conclusiones. La cohorte peruana que empezó el tratamiento antirretroviral en la etapa inicial de implementación del programa nacional, presentó duración de supresión viral sostenida con tasas comparables o por encima a otros países latinoamericanos. La duración de la supresión viral es indicador longitudinal del desempeño de los programas nacionales y locales, que puede contribuir a estimar la duración del uso de un solo tipo de esquema de terapia antiretroviral y validar adherencia.
Necrosis isquémica de todos los dedos y ortejos después del uso de norepinefrina en paciente ginecológico
Authors: Pacheco Pacori Yvan Denis , García Duque Orlando
Published: September 2018

Se presenta el caso de una paciente mujer de 39 años de edad, que en octubre del 2016 fue atendida en nuestro centro (Hospital Dr. Negrin, Islas Canarias-España), con necrosis de todos los dedos de las manos y los pies, referida al servicio de Cirugía Plástica desde la Unidad de Medicina Intensiva. Se trataba de una paciente con diagnostico de shock séptico abdominal de origen pélvico por infección de anillo vaginal. En la unidad de cuidados intensivos, la paciente fue tratada con norepinefrina durante 5 días. Esta catecolamina estimula los receptores adrenérgicos, causando vasoconstricción y el aumento de la presión arterial. A los diez días del tratamiento, la paciente presentó necrosis isquémica de todos los dedos de las manos y los pies, siendo necesaria la amputación, con secuelas estéticas y funcionales.
Actitud hacia la Estadística en estudiantes de Odontología
Authors: Díaz-Reissner Clarisse Virginia , Quintana-Molinas María Elida
Published: September 2018

Objetivo: Analizar la actitud hacia la estadística en estudiantes de grado de Odontología matriculados en la asignatura de Metodología de la Investigación y Bioestadística, en una universidad paraguaya, en el año 2015. Métodos: Se realizó un estudio cuasi-experimental. Se utilizó el cuestionario SATS-36 (Survey of Attitudes Toward Statistics) para medir la actitud hacia la estadística antes y después del curso. Resultados: La muestra quedó conformada por 43 estudiantes. El 83,72% fue de sexo femenino, con una edad promedio de 19±3,14 años, el 48,96% egresó del Bachillerato Humanístico y el 48,84% deseaba obtener calificación “Muy Bueno”. Basado en las puntuaciones obtenidas, presentaron un cambio de actitud negativa las dimensiones “dificultad” (p=0,0176) y “esfuerzo” (p<0,0001), mientras que el cambio de actitud fue positivo para “competencia cognitiva” (p=0,0470) y “valoración personal” (p=0,0207). En la dimensión “cognitiva” el promedio fue significativamente mayor para los hombres (p=0,035) y en la “afectiva” fue significativamente mayor para las mujeres (p=0,019). La percepción acerca de la aptitud para las matemáticas disminuyó significativamente al finalizar el curso (p=0,0001) El estrés generado por la Bioestadística fue medio en el 46,51%. Conclusiones: Los estudiantes apreciaron el módulo de Bioestadística, consideraron una herramienta útil, tanto para uso personal como profesional. Con respecto a lo que creían inicialmente, la dificultad encontrada fue menor, por tanto se estresaron y esforzaron menos, pero consideraron que les faltaban aptitudes hacia las matemáticas. Por tanto, cuestionarios que miden la actitud podrían ser una herramienta útil para redireccionar estrategias docentes y promover una actitud positiva hacia la disciplina.
Calidad y control en las publicaciones
Authors: Veitz-Keenan Analia
Published: September 2018

La Odontología basada en evidencia es un concepto establecido hace mucho tiempo y actualmente es enseñado y practicado mundialmente. Todo comenzó desde que el concepto de la Medicina basada en la evidencia fue desarrollado y aceptado también por la Odontología. Profesionales de la salud actualmente se expresan a favor o en contra del concepto con mucho o poco conocimiento de lo que es la práctica médica basada en evidencia, pero no es el tópico central de este editorial.
Comparación in vitro del sellado apical entre dos sistemas de obturación termoplastificada: Guttacore y E&Q Master
Authors: Hidalgo Moya Viviana Marcela , Martini Garcia Isadora , Mena Silva Paola Andrea , Guillén Guillén Raquel Esmeralda
Published: September 2018

Objetivo: Comparar el sellado apical in vitro de los sistemas de obturación termoplastificada, GuttaCore® y E&Q Master®, desde la perspectiva de microfiltración. Métodos: Cuarenta piezas unirradiculares se instrumentaron con sistema rotatorio e irrigaron con hipoclorito de sodio al 2,5% y EDTA al 17%. Las muestras se dividieron en dos grupos (n=20); se obturaron y colocaron en estufa incubadora a 37°C y 100% de humedad durante 3 días. Cada muestra se cubrió con barniz de colores excepto 3 mm apicales para ser sumergidas en azul de metileno al 2% por 3 días, y centrifugados por 20 min a 3000 rpm. Las muestras se lavaron y fracturaron axialmente para su análisis, mediante fotografías, en el estereomicroscopio. Para el análisis de datos se utilizó la prueba t de Student con un nivel de significancia del 5%. Resultados: Los valores medios de microfiltración fueron 0,660 mm y 0,825 mm para GuttaCore® y E&Q Master®, respectivamente, no encontrándose diferencias estadísticamente significativas entre ellas (p=0,525). Conclusión: GuttaCore® y E&Q Master® son sistemas de obturación que ofrecen un buen sellado apical no existiendo diferencia entre ellos.
Patologías orales en la mujer gestante. Revisión de la literatura
Authors: González Chavarría Guiselle , Revelo Domínguez Andrea , Chiriboga Sánchez Isabel , Aldas Ramírez Jonathan Eduardo , Armas Vega Ana Del Carmen
Published: September 2018

El embarazo constituye un período de la vida de la mujer donde suceden cambios tanto de su cuerpo como en su entorno. Los cambios hormonales que sufre la mujer durante el estado de gravidez pueden llegar a afectar su salud bucal desencadenándose una serie de alteraciones a nivel gingival lo cual propicia la presencia de enfermedades bucodentales. Se busca mediante esta revisión bibliográfica actualizar conocimientos acerca de las diferentes patologías bucales en la mujer gestante. Se revisaron las bases de datos Medline, SciELO y Google Scholar en busca de estudios de casos, ensayos clínicos, metanálisis, revisiones sistemáticas y revisiones de literatura publicadas en los últimos 8 años, sobre las diferentes patologías bucales que se presentan en las mujeres embarazadas, empleando como palabras clave mujeres embarazadas, enfermedades bucodentales, salud bucal y sus homólogos en inglés. Se obtuvieron 72 artículos, después de la lectura y exclusión, la selección arrojó 42 artículos considerados adecuados para cumplir con los objetivos planteados. La adopción de buenos hábitos de higiene oral y consultas periódicas al odontólogo pueden reducir los efectos adversos durante el embarazo; aunque otros investigadores afirman la ausencia de cambios durante la gestación en relación con la salud periodontal. El acompañamiento y orientación durante la gestación requiere involucrar cuidados bucales desde inicios de esta etapa hasta el nacimiento del bebe.
K-Vecino más próximo en una aplicación de clasificación y predicción en el Poder Judicial del Perú
Authors: Quezada Lucio Nel
Published: September 2018

Este artículo resume las contribuciones principales de la tesis con el título “K-vecino más próximos en una aplicación de clasificación y predicción en el Poder Judicial del Perú". En esta tesis se construye un modelo utilizando el método de los k-vecinos más próximos que permite clasificar y predecir las Cortes Superiores de Justicia del Perú. Mediante un análisis descriptivo de datos se excluye la Corte de Lima del estudio. Con las restantes 30 Cortes Superiores, se genera un modelo de tres grupos fundado en clasificación no supervisada, para ello se deduce la matriz de distancia euclidiana que origina el árbol de clasificación. Se construye el modelo de clasificación de tres vecinos más próximos, con partición y pliegues de validación cruzada aleatoria, que indica; el modelo de espacio de predictores, el error cuadrático o índice de error que valida el valor óptimo de k = 3 vecinos, el error del modelo y el índice global de pronostico que miden la precisión o exactitud del modelo encontrado, importancia del predictor, mapas de cuadrantes y tabla de vecinos.
La calidad de vida laboral y el soporte institucional para el trabajo en profesionales de las entidades públicas y privadas de Lima
Authors: Loli P. Alejandro E. , Danielli R. Juan , Navarro V. Vladimir , Cerón V. Fernando
Published: September 2018

La calidad de vida laboral es un constructo que ha demandado de muchos esfuerzos académicos y de investigación para delimitar sus alcances, especialmente en los países desarrollados. En el Perú, en cambio no se ha investigado mucho, menos sobre el rol del soporte institucional para el trabajo. Así, nuestro objetivo es conocer la relación entre calidad de vida laboral y el soporte institucional para el trabajo, en una muestra de 638 profesionales de organizaciones públicas y privadas que estudiaban maestrías, doctorados, segundas especialidades y diplomados de variadas especialidades en una universidad pública y otra privada, a quienes se le aplicó el cuestionario Calidad de Vida en el Trabajo (CVT GOHISALO), elaborado por González, Hidalgo, Salazar, Preciado (2010) en México. Nuestros hallazgos indican que existe insatisfacción en un alto porcentaje de profesionales tanto respecto de la calidad de vida laboral como del soporte institucional para el trabajo; así como hay una asociación de interdependencia entre ambas variables. Un análisis de estas variables con algunos factores socio demográficos y organizacionales nos permitió conocer las diferencias de opinión de los grupos con base en sus percepciones y experiencias laborales de los participantes.