bluuebunny/crossref_metadata_2025 huggingface dataset:
Vegetation type recognition in hyperspectral images using a conjugacy indicator
Authors:   IPSI RAS – Branch of the FSRC “Crystallography and Photonics” RAS, Bibikov S. ,   Samara National Research University, Kazanskiy N. ,   IPSI RAS – Branch of the FSRC “Crystallography and Photonics” RAS,   Samara National Research University, Fursov V. ,   IPSI RAS – Branch of the FSRC “Crystallography and Photonics” RAS,   Samara National Research University
Published: December 2018

This paper considers a vegetation type recognition algorithm in which the conjugacy indicator with a subspace spanned by endmember vectors is taken as a proximity measure. We show that with proper data preprocessing, including vector components weighting and class partitioning into subclasses, the proposed method offers a higher recognition quality when compared to a support vector machine (SVM) method implemented in MatLab software. This implementation provides good results with the SVM method for a fairly difficult classification test using the Indian Pines dataset with 16 classes containing similar vegetation types. The difficulty of the test is caused by high correlation between the classes. Thus, the results show a possibility for the recognition of a large variety of vegetation types, including the narcotic plants.
Color and luminance corrections for panoramic image stitching
Authors:   Tomsk Polytechnic University, Kanaeva I. , Bolotova Yu. ,   Tomsk Polytechnic University
Published: December 2018

The article gives a detailed analysis of seamless image stitching methods into a panorama from an overlapping image set. Source images usually have varying colors and luminance due to cameras` position changing. Various approaches of blending and color correction algorithms for source images are presented. This paper illustrates the optimal technic for parallel evaluation of color correction coefficients in all overlapping areas. High quality of our blending method is confirmed by color and structure similarities based on PSNR and SSIM indexes accordingly.
Fusion of information from multiple Kinect sensors for 3D object reconstruction
Authors:   Federal Research Centre of Biological Systems and Agro-technologies of the Russian Academy of Sciences, Ruchay A. ,   Department of Mathematics, Chelyabinsk State University, Dorofeev K. ,   Department of Mathematics, Chelyabinsk State University, Kolpakov V. ,   Federal Research Centre of Biological Systems and Agro-technologies of the Russian Academy of Sciences
Published: December 2018

In this paper, we estimate the accuracy of 3D object reconstruction using multiple Kinect sensors. First, we discuss the calibration of multiple Kinect sensors, and provide an analysis of the accuracy and resolution of the depth data. Next, the precision of coordinate mapping between sensors data for registration of depth and color images is evaluated. We test a proposed system for 3D object reconstruction with four Kinect V2 sensors and present reconstruction accuracy results. Experiments and computer simulation are carried out using Matlab and Kinect V2.
Discrete orthogonal transforms with bases generated by self-similar sequences
Authors:   IPSI RAS – Branch of the FSRC “Crystallography and Photonics” RAS, Chernov V. ,   Samara National Research University
Published: December 2018

New bases of discrete orthogonal transforms associated with some recursive processes and possessing a property of self-similarity are introduced and investigated in the paper. Sufficient conditions of orthogonality of a system of basic functions are proved. For transforms with the introduced bases, fast algorithms of the transforms are synthesized. The relationship between the considered bases and the analytic properties of generating Dirichlet series is discussed.
La opacidad del trabajo de enfermería y las configuraciones del riesgo
Authors: Mendes Davidson Passos , Cunha Daisy Moreira
Published: December 2018

El artículo tiene por objetivo revelar la invisibilidad del trabajo de enfermería y las estrategias individuales y colectivas instauradas como posibilidades de regulación del personal de enfermería frente al riesgo laboral de asistir al paciente psiquiátrico en situación de crisis. Desde un enfoque teórico metodológico que combinó el análisis ergonómico del trabajo con aportes de la ergología, se investigó y analizó, en 2012, a un equipo del centro de atención de crisis de un hospital público psiquiátrico brasileño, compuesto por 17 enfermeros y dos médicos (director y coordinador del sector). Los resultados revelaron que la asistencia a los usuarios está fuertemente caracterizada por el trabajo en equipo, especialmente en la confrontación de saberes del personal médico y de enfermería, mediada, muchas veces, por la intervención de otros trabajadores como los asistentes sociales, el personal administrativo y el portero. Es decir, el equipo se extiende más allá del cuerpo asistencial involucrando también al servicio de apoyo. Se evidenció también que esa construcción se efectúa en el día a día del trabajo y requiere competencias para la cooperación, además del desarrollo de habilidades colectivas.
La salud de trabajadores inmigrantes haitianos en Mato Grosso, Brasil: vulnerabilidades y riesgos
Authors: Leão Luís Henrique Da Costa , Muraro Ana Paula , Borges Fabiano Tonaco , Machado Jorge Mesquita Huet
Published: December 2018

Se describen las relaciones entre inmigración, salud, trabajo y ambiente con el objetivo de analizar la inserción de inmigrantes haitianos en procesos productivos de Mato Grosso, destacando los riesgos para la salud y las vulnerabilidades socioambientales. Se trata de una investigación-acción desarrollada junto a la comunidad haitiana, organizaciones de la sociedad e instituciones del Estado. En 2014 y 2015 se aplicó un cuestionario a población haitiana de la ciudad de Cuiabá (capital del estado de Mato Grosso), para caracterizar sus condiciones de vida y trabajo. Además, se relevaron datos de distintas instituciones y el registro de empleadores que sometieron a trabajadores a condiciones de esclavitud contemporánea. Los resultados muestran 2.151 trabajadores haitianos registrados en el mercado formal de trabajo en 2014, distribuidos en 27 municipios de Mato Grosso. Dos sectores económicos se destacaron en la absorción de trabajadores haitianos: las industrias de transformación (principalmente frigoríficos) y la construcción civil. Entre los 452 haitianos entrevistados, el 52,7% estaba trabajando y el 26,5% mencionó una carga horaria semanal superior a 48 horas. El estudio indica la fragilidad de la inserción social de esta población, la cual se expresa en la presencia de haitianos en áreas y procesos productivos de alto riesgo socioambiental.
Process Model for Differentiated Instruction using Learning Analytics
Authors: Leppan Ronald George , Botha Reinhardt A , Van Niekerk Johan F
Published: December 2018

Higher education institutions seem to have a haphazard approach to harnessing the ubiquitous data that learners generate on online educational platforms, despite promising opportunities offered by this data. Several learning analytics process models have been proposed to optimise the learning environment based on this learner data. The model proposed in this paper addresses deficiencies in existing learning analytics models that frequently emphasises only the technical aspects of data collection, analysis and intervention, yet remain silent on ethical issues inherent in collecting and analysing student data and pedagogy-based approaches to the interventions. The proposed model describes how differentiated instruction can be provided based on a dynamic learner profile built through an ethical learning analytics process. Differentiated instruction optimises online learning through recommending learning objects tailored towards the learner attributes stored in a learner profile. The proposed model provides a systematic and comprehensive abstraction of a differentiated learning design process informed by learning analytics. The model emerged by synthesising steps of a tried-and-tested web analytics process with educational theory, an ethical learning analytics code of practice, principles of adaptive education systems and a layered abstraction of online learning design.
Publishing in Good Journals
Authors: Sanders Ian
Published: December 2018

Publishing in good journals demands that the researcher has done high quality research. It also requires that the researchers present their work effectively. This article presents some tips to help emerging researchers with the task of getting their papers ready for submission.
MODIFICATIONS IN THE ROOT SYSTEM, GAS EXCHANGES AND PRODUCTIVITY OF SORGHUM HYBRIDS CULTIVATED UNDER WATER DEFICIT
Authors: SILVA EDER MARCOS , MAGALHÃES PAULO CESAR , CASTRO EVARISTO MAURO , ÁVILA RONIEL GERALDO , ALMEIDA LORENA GABRIELA
Published: December 2018

ABSTRACT – This study associated data of performance, gas exchange and morphometric analysis of the root system using the WinRhizo software. The main objective was to verify how the modifications in the root system contribute to maintain the photosynthetic rates and productivity in sorghum hybrids divergent regarding tolerance to water deficit. The 1G 282 tolerant hybrid presented higher tolerance to desiccation of the leaves, higher grain productivity (68.33%) and maintained its photosynthetic rate 2.13 times higher compared to the sensitive BRS 332 during the water deficit. Both hybrids presented responses related to desiccation prevention, characterized by modifications of the root system that are capable to benefit absorption of water and nutrients under stress. Besides, 1G 282 showed more developed and responsive root system, especially due to a higher superficial area of very fine roots (42.67%), volume of fine roots (36.90%) and very fine roots (53.18%) under water deficit when compared to the sensitive BRS 332 at the same conditions.Keywords: Sorghum bicolor, roots, WinRhizo, photosynthesis. MODIFICAÇÕES DO SISTEMA RADICULAR, TROCAS GASOSAS E PRODUTIVIDADE EM HÍBRIDOS DE SORGO CULTIVADOS SOB DÉFICIT HÍDRICO  RESUMO – O estudo em questão associou dados de rendimento, trocas gasosas e morfometria do sistema radicular utilizando o software WinRhizo. O principal objetivo foi verificar como modificações do sistema radicular contribuem para a manutenção da taxa fotossintética e produtividade em híbridos de sorgo divergentes para tolerância ao déficit hídrico (WD), sendo um tolerante (1G 282) e outro sensível (BRS 332). O híbrido tolerante 1G 282 apresentou maior tolerância à desidratação do tecido foliar, além de manter uma taxa fotossintética 2,13 vezes maior e maior rendimento de grãos (68,33%) em relação ao sensível BRS 332 durante o WD. Ambos os híbridos apresentaram respostas de prevenção à seca, caracterizada por modificações do sistema radicular capazes de favorecer a absorção de água na condição de estresse. No entanto,1G 282 demonstrou possuir um sistema radicular mais desenvolvido e responsivo, especialmente por exibir maior área superficial de raízes muito finas (42,67%) e volume de raízes finas (36,90%) e muito finas (53,18%) em condição de WD, quando comparado com o sensível BRS 332 nas mesmas condições de cultivo.Palavras-chave: Sorghum bicolor, raízes, WinRhizo, fotossíntese.
EFEITO INIBITÓRIO DO SORGO GRANÍFERO NA CULTURA DA SOJA SEMEADA EM SUCESSÃO
Authors: BIESDORF EVANDRO MARCOS , PIMENTEL LEONARDO DUARTE , FRANÇA TEIXEIRA MATHEUS FERREIRA , MOREIRA TEIXEIRA THAÍS PATRÍCIA , DE OLIVEIRA ALUÍZIO BOREM
Published: December 2018

RESUMO – O cultivo do sorgo granífero avança no Brasil. Todavia, existem evidências sugerindo efeito inibitório sobre a soja cultivada em sucessão. Objetivou-se investigar o efeito inibitório do cultivo de sorgo granífero (BRS 332) sobre o desempenho da soja (Glycine max (L.) Merrill) semeada em sucessão. Para isso, realizou-se um experimento de campo em blocos ao acaso em esquema de parcela subdivididas. As parcelas foram compostas pelas culturas antecessoras sorgo e milho e as subparcelas, por cinco datas de semeadura da soja após a colheita das culturas antecessoras (0, 20, 40, 60 e 80 dias após a colheita). Observou-se que o sorgo, como cultura antecessora, resultou em menores percentagens de emergência, índice de velocidade de emergência, altura de inserção de primeira vagem e número de vagens por planta de soja, apesar da produtividade de grãos não ter sido afetada. Conclui-se que o desenvolvimento vegetativo inicial da soja é afetado negativamente quando a semeadura é realizada em até 40 dias após a colheita do sorgo. Contudo, o cultivo anterior de sorgo na mesma área, comparativamente ao cultivo anterior do milho, não é capaz de afetar a produtividade da soja.Palavras-chave: Glicine max, Sorghum bicolor, sorgoleone, Zea mays. INHIBITORY EFFECT OF SORGHUM ON SOYBEAN IN SUCCESSION  ABSTRACT - The cultivation of grain sorghum is advancing in Brazil, however, there is evidence suggesting an inhibitory effect on soybeans grown in succession. The objective of this study was to investigate the inhibitory effect of grain sorghum (BRS 332) on the performance of soybeans (Glycine max (L.) Merrill) seeded in succession. For this, a field experiment was carried out in a randomized blocks design in a subdivided plot scheme. The plots were composed of the predecessor crops sorghum and maize and the subplots were five soybean sowing dates after harvesting the predecessor crops (0, 20, 40, 60 and 80 days after harvest). It was observed that sorghum as a predecessor crop resulted in lower emergence percentages, emergence speed index, first pod insertion height and number of pods per soybean plant, although grain yield was not affected. As conclusion, the initial vegetative development of soybean was negatively affected when sowing was carried out up to 40 days after sorghum harvest. However the previous cultivation of sorghum in the same area did not affect soybean productivity, compared to the previous corn crop.Keywords: Glicine max, Sorghum bicolor, sorgoleone, Zea mays.
Intelligent Recommendation module for more than one emergency vehicles node to destination node
Authors: Safar Farah Younus , Kareem Emad I. Abdul
Published: December 2018

Traffic congestion may impede the power of emergency vehicles to arrive at the site of a traffic incident or other catastrophe in a fast and true way. Id's may not be a short one, but it is the optimal path that leads to the scene without passing in con-gested streets. Streets may be congestion for a long time and lead to not reach emergency vehicles to the destination place while other emergency vehicles can reach to the same destination place in fast which is far from the destination with uncrowded streets. This makes the emergency vehicle to reach the destination in fast. In this paper, The proposed module rep-resented in a map to show the algorithm for more than one source nodes to the destination node. In addition, a case study of a real city in Baghdad has been used to evaluate the proposed module. The results show the proposed module ability to find the optimal path with 27 to 204 seconds to give a clear recommendation for which vehicle must be moved to the destination node.
The Impact Of Leadership Styles On Teaching And Learning Outcomes: A Case Study Of Selected Senior High Schools In The Nkronza Districts Of Brong Ahafo Region In Ghana
Authors: Aruzie Raymond Suoseg , Adjei Augustine , Adjei Mensah Daniel , Nkansah Irene , Anorkyewaa Akua Agyekum
Published: December 2018

The issue of leadership styles used by school heads and the academic performance of students has recently attracted the attention of the general public and people are exerting energies into research to find its courses and effects. Nkoranza-North district is selected as a result of the fact that the researcher works there and the districts also have two senior high schools for the study. Primarily, the study was to find out the courses and impact of leadership styles on teaching and learning outcomes in the Nkoranza-North district. The study covered a sample size of sixty (60) people comprises of Headmasters, selected teachers and selected students of the two. The researcher employed the descriptive method, while interview schedule and questionnaire were used togather the information. Frequencyand percentage were used to analyse the data. The study also looks at the various leadership styles employed by leaders some of which are Autocratic, Democratic and Laissez-faire. The findings of the study are discussed, conclusion draw and recommendations made.
Does Public Debt Moderate the Effect of Inflation Rate on Securities Market Returns in Kenya?
Authors: Kapchanga David John , Owili Poti Abaja , Onyuma Samuel Owino
Published: December 2018

While in the last one two decades, Kenya has witnessed increasing levels of public borrowing, both domestic and foreign, economic growth has slowed down and the performance of the securities market has been subdued with falling stock prices. This has prompted stock investors to review and/or realign their investment portfolios. While the inflation rate has been drastically fluctuating, public debt – which is strongly inflationary – has had an exponential increase of about 461 percent between 2008 and 2018. Although Kenya’s level of public debt is approaching unsustainable levels, massive borrowing still continues. Using secondary monthly data obtained from government and securities market databases, this paper analyzed whether public debt moderates the relationship between inflation rate and securities market returns at the Nairobi Securities Exchange. Time series multiple linear regression results show that whereas inflation rate has a statistically significant negative effect on securities market returns, public debt had an insignificant negative effect on securities market returns. More importantly, public debt does not statistically affect the relationship between inflation rate and the securities market in Kenya. Putting in place strategies aimed at reducing inflation as well as public debt can however have the effect of improving securities market performance.
Attributes of Quality of Accommodation Facilities and Room Capacity Utilization of 3-5 Star Hotels in Nairobi, Kenya
Authors: N. M. Miricho , A. Adedipe
Published: December 2018

There are specific quality requirements usually established in accordance with standards at either government or private levels for hotel accommodation facilities. One of these basic requirements is high quality of accommodation facilities which supposed to anchor room capacity utilisation of 3-5 star hotels in Nairobi, Kenya. The attributes of quality of accommodation facilities comprised of room flooring, decorations, bed and beddings, lightings and heating, comfort of bedroom, cleanliness, comfort of bathroom, towels, furniture and furnishings, toiletries and amenities, space and ventilation of the rooms. However, hotels with more accommodation quality attributes are likely to attract higher and better room capacity utilisation. Therefore, the study sought to examine the relationship between quality of accommodation facilities and room capacity utilisation of 3-5 star hotels in Nairobi, Kenya. The study hypothesized that there is no significant relationship between quality of accommodation facilities and room capacity utilisation of 3-5 star hotels in Nairobi, Kenya. The target population involved all the 3-5 star hotels in Nairobi, Kenya. A census of hotel general manager and front office managers consisting of 60 respondents was conducted through stratification of all the hotels. Questionnaire was used as instruments for data collection with 95.1% response rate and the data collected were analyzed using descriptive statistics to determine variable characteristics while Pearson correlation was used to establish the pattern of relationship and association of the variables. Also, linear regression analysis was involved to determine the level of significant and test hypothesis. The Pearson correlation result (r=-0.542, p=0.000) indicated that quality of accommodation facilities had a strong positive relationship and association with room capacity utilisation. The regression analysis coefficient R=0.792 and adjusted squared coefficient R2=0.527 were recorded which implied that the study variables explained 52.7% of the variations of room capacity utilisation. The regression model revealed comfort of bedroom, comfort of bathroom, bed/beddings and cleanliness as the four attributes of quality of accommodation facilities that were significant variable predictors of room capacity utilisation. The null hypothesis was rejected as there is significant relationship between quality of accommodation facilities and room capacity utilisation. The study concluded that an improvement in quality of accommodation facilities will cause positive significant changes in room capacity utilisation. The study recommends improvement on comfort of bedroom, comfort of bathroom, bed and beddings as well as general cleanliness for better room capacity utilisation of 3-5 star hotels in Nairobi, Kenya
A PEGADA ECOLÓGICA EMERGÉTICA COMO INSTRUMENTO DE AVALIAÇÃO DA SUSTENTABILIDADE AMBIENTAL
Authors: Dos SANTOS Wallan Azevedo , Da SILVA Gláucio José Pereira , Monteiro da HORA Henrique Rego , Junior Milton ERTHAL
Published: December 2018

Este artigo tem o objetivo realizar uma análise bibliométrica sobre o tema da Método da Pegada Ecológica Emergética como instrumento de avaliação da sustentabilidade ambiental. A pesquisa partiu de um levantamento de dados bibliográficos na base Scopus, utilizando-se de técnicas bibliometricas com devidos refinamentos. A análise considerou os periódicos com maior número de publicações, principais autores, nacionalidade e instituições mais relevantes, identificação das palavras-chave mais comuns e artigos mais citados. Foram encontrados 138 documentos, sendo 87 artigos científicos que passaram por uma análise mais aprofundada. A área de Ciências Ambientais foi responsável por 81% dos artigos publicados. O periódico com mais artigos publicados foi o Ecological Indicators, embora o Journal of Cleaner Production tenha apresentado melhores índices de desempenho bibliométricos. A China e os Estados Unidos da América são os países com o maior número de publicações e, no caso brasileiro, a Universidade Estadual de Campinas é a instituição com o maior número de filiações. Conclui-se que o tema é relativamente recente, visto que as publicações se iniciaram a partir de 2003, com concentração expressiva entre os anos de 2011 e 2015, quando o número de publicações quadruplicou. A temática abordada neste estudo apresentou alto índice de replicabilidade em diferentes esferas de análises de sustentabilidade.
DIAGNÓSTICO DE CARCINOMA MAMÁRIO EM CÃO MACHO: RELATO DE CASO
Authors: REZENDE Karine Keller , GAMA Ana Paula De Aragão
Published: December 2018

O Brasil é o segundo maior país no mundo quando o assunto é população canina, possuindo cerca de 52 milhões de cães. Dentre as patologias diagnosticadas entre cães, os tumores ocupam um lugar de destaque. Um dos tipos de neoplasias mais frequentes, principalmente em cadelas, são os tumores mamários, que nelas são responsáveis por cerca de 52% do total das neoplasias, sendo 50% destes malignos. Os tumores mamários em cães machos apresentam baixa incidência, mas alta malignidade. Este trabalho tem como objetivo relatar o caso de um cão macho sem raça definida de 14 anos, que foi atendido em uma clínica veterinária localizada na cidade de Queimados, RJ. O mesmo apresentava aumento de volume na região abdominal próximo ao prepúcio, onde foi realizada cirurgia para retirada do tumor e diagnóstico através do exame histopatológico. O diagnóstico foi de um tumor misto maligno de mama (carcinoma complexo), o animal foi encaminhado para tratamento oncológico.

 
What is a Guest? What is a Settler?
Authors: Koleszar-Green Ruth
Published: December 2018

This article gathers together some Traditional Knowledge keepers’ understandings concerning the roles and responsibilities of Guests and Hosts. The responsibilities are mapped upon Wampum Belts and in this article include my understanding, as a Haudenosaunee woman. Through discussions with some Knowledge Keepers, examination of the relevant literature, and my own understandings of the issues, I look carefully, at the work of Tuck and Yang (2010) and Lawrence and Dua (2005). I continue with a synthesis of contemporary debates concerning, the underlying complexities of Guests/Settlers roles and responsibilities. I offer differentiations between the descriptive labels in conventional use. My intent is to engage and push non-Onkwehonweh people to challenge their ‘taken-for-granted’ understandings of their ‘rights’, and to encourage them to look with fresh eyes at their understandings of their attendant responsibilities.
ЭЛЕКТРОХИМИЧЕСКАЯ ОБРАБОТКА ОБЛУЧЕННОГО ГРАФИТА УРАН-ГРАФИТОВЫХ ЯДЕРНЫХ РЕАКТОРОВ
Authors: (Alexander O. Pavliuk) Павлюк Александр Олегович , (Evgeniy V. Bespala) Беспала Евгений Владимирович , (Sergey G. Kotlyarevskiy) Котляревский Сергей Геннадьевич , (Anna G. Volkova) Волкова Анна Генриховна , (Elena V. Zakharova) Захарова Елена Васильевна
Published: December 2018

Актуальность исследования обусловлена необходимостью разработки эффективных методов дезактивации облученного графита уран-графитовых ядерных реакторов с целью снижения потенциальной опасности для дальнейшего захоронения. Цель: разработка метода электрохимической дезактивации графитовых радиоактивных отходов в химически агрессивных средах и определение оптимальных параметров ведения процесса. Методы: экспериментальные исследования процесса электрохимической обработки облученного графита в различных электролитах и при различных условиях. Результаты. Показана принципиальная возможность электрохимической обработки графитовых радиоактивных отходов. Представлена конструкция электролизера для проведения процесса обработки, и описана методика проведения эксперимента. Проанализированы электродные процессы, и определены факторы, влияющие на эффективность электрохимической дезактивации. Представлены зависимости скорости разрушения графитовых анодов от плотности тока и различных концентраций кислот. Определено, что наибольшая скорость разрушения электродов наблюдается в концентрированной азотной кислоте. Экспериментально были получены зависимости, отражающие степень очистки графитовых РАО по радионуклидам 60Co, 134+137Cs, 154Eu, 241Am в зависимости от состава электролита. Выявлено, что максимальная степень дезактивации облученного ядерного графита при плотности тока 0,01 А/см2и температуре электролита (16–20) °C достигается в азотной кислоте с добавлением 0,2 М NaF. Проведен сравнительный анализ результатов экспериментов химической и электрохимической обработки графитовых радиоактивных отходов. Показано, что электрохимическая дезактивация графита позволяет снизить активность графита по 60Со в 2–10 раз и по 137Cs в 7–100 раз. При этом в процессе дезактивации не образуется газообразных продуктов реакции, которые необходимо улавливать, создавая ещё большее количество вторичных радиоактивных отходов.
Contribution of Mexican scholars to viticultural and oenological research: where do we stand?
Authors: Guillermo Castillo Sånchez , Castro-López Liliana , Méndez Saúl
Published: December 2018

Wine consumption in Mexico has increased continuously over the last decade. However, domestic wine production is not sufficient to satisfy domestic demand, and foreign wine producers have been the main beneficiaries of the growth of the Mexican market. This highlights the need of Mexican winemakers for scientific evidence and technological innovations that can help to make better management choices both in the field and in the winery. This paper presents the results of a bibliometric study that aimed to investigate the contribution of the Mexican academic community to scientific literature in viticulture and oenology (1987-2017). Results indicate that Mexican academia has failed to keep pace with the constant growth of the wine industry in Mexico. The growth of scholarly scientific output in Mexico has been slower than that of other Latin American countries. In addition, Mexican scientific output relied to a large extent (36%) on collaborations with research groups from developed countries, while collaborative papers with Latin American countries were comparatively rare (7.9%). Domestic collaboration among Mexican institutions is still limited, as indicated by the low number of such publications (23.2%) and by the considerable number of institutions producing papers independently (49%). Agrosciences, biological sciences, chemistry, microbiology and health sciences were the main areas of research of Mexican academics.
Authors: Allasimy Sehah
Published: December 2018

The research using gravity data has been done to to find out the structure that can cause disaster due to geological activity along Serayu Selatan Mountain Banyumas Regency. The data that used in this research was a topography data obtained from Scripps Institution of Oceanography, University of California San Diego and the map of complete bouger anomaly Banyumas Regency. Data processing is begun by digitized to obtain a complete bouger anomalies. Upward Continuation method was used to separate regional and residual anomaly. The analysis of SVD was performed to determine of fault. Subsurface modeling was performed using 2 � D Talwani method in grav2DC program. SVD analysis shows there is a fault in the surrounding mountains of South Serayu, Banyumas. Modeling shows that structural fault in this research had a dip that varies between 60� to 72�. The fault lies in contact Halang formation with breccia member of Halang formation. The type of fault identified is the fault type down with the slope of the rock layer <20�
Visual outcome and factors influencing surgical outcome of horizontal strabismus surgery in a teaching hospital in Malaysia: a 5-year experience
Authors: Waheeda-Azwa Hussein , Norihan Ibrahim , Tai Evelyn Li Min , Kueh Yee Cheng , Shatriah Ismail
Published: December 2018

Background: The available data on strabismus surgery in South East Asian countries is scarce. This study aimed to identify visual outcome and factors influencing surgical outcome of horizontal strabismus surgery in a South East Asian cohort.
Methods: A retrospective review of patients who underwent horizontal strabismus surgery between 2013 and 2017 in Hospital Universiti Sains Malaysia was conducted. Surgery was considered successful if the post-operative deviation was within 10 prism dioptres at six months post-operative period. Factors influencing outcome of surgery at six months were identified. Chi-square and Fisher exact test were used in data analysis.
Results: 98 patients were included. Both genders were equally affected. Exotropia (58.2%) was the most common type. 65.3% of patients had alternating strabismus, while 51.0% had angle of deviation more than 45 prism diopters. Amblyopia was documented in 14.3% of patients. Those operated upon below 10 years of age comprised 64.3%. Ninety four patients completed follow-ups at six months after the surgery. The success rate was 81.6%. Approximately 92% of the patients had best corrected visual acuities of 6/12 and better at six months post-operative period. There was no significant association between age of onset, gender, presence of amblyopia, type of deviation, amount of deviation and post-operative best corrected visual acuity with surgical outcome at six months post-operative period (p>0.05).
Conclusions: The success rate was good. Post-operative best corrected visual acuity was promising. Age of onset, gender, presence of amblyopia, type of deviation, amount of deviation and post-operative best corrected visual acuity did not influence the outcome of horizontal strabismus surgery in our review.
Keywords: Visual outcome, horizontal strabismus surgery, factors influencing surgical outcome
RTS,S malaria vaccine pilot studies: addressing the human realities in large-scale clinical trials
Authors: Berg Machteld van den , Ogutu Bernhards , Sewankambo Nelson , Biller-Andorno Nikola , Tanner Marcel
Published: December 2018

A malaria vaccine as part of the integrated malaria control and elimination efforts will have a major impact on public health in sub-Sahara Africa. The first malaria vaccine, RTS,S, now enters pilot implementation in three African countries. These pilot implementation studies are being initiated in Kenya, Malawi and Ghana to inform the broader roll-out recommendation. Based on the malaria vaccine clinical trial experiences, key ethical practices for effective clinical trial research in low-resource settings are described. For successful vaccine integration into malaria intervention programs, the relational dynamics between researchers and trial communities must be made explicit. Incorporating community values and returning to research practices that serve the intended benefactors are key strategies that address the human realities in large-scale clinical trials and pilot implementation, leading to positive public health outcomes.
“Precário não é, mas eu acho que é escravo”: Análise do Trabalho dos Motoristas da Uber sob o Enfoque da Precarização
Authors: André Robson Gomes , Da Silva Rosana Oliveira , Nascimento Rejane Prevot
Published: December 2018

A Uber é uma startup que oferece o serviço de transporte de passageiros desde meados de 2014 em algumas cidades do Brasil. No país, assim como ocorreu em outras partes do mundo, a empresa alcançou uma projeção rápida, com muitos usuários e motoristas cadastrados. O desemprego, o discurso da flexibilidade e a promessa de ganhos altos e fáceis podem ser fatores que expliquem tamanha adesão dos motoristas. Contudo, cabe observar que formas de flexibilidade são consideradas formas de precarização do trabalho. Identificou-se, ao longo da pesquisa, estudos sobre a empresa, mas não que analisassem empiricamente o trabalho dos motoristas. Sendo assim, o objetivo principal deste artigo é analisar o trabalho dos motoristas da Uber sob o enfoque da precarização, a fim de verificar se ele tem características de um trabalho precário. A pesquisa é de natureza qualitativa, realizada por meio de entrevistas semiestruturadas em profundidade com os motoristas na cidade do Rio de Janeiro. Os relatos foram tratados por meio da análise de conteúdo. Os resultados apontam para várias características de um trabalho precário e os motoristas, de alguma forma, o reconhecem como tal, pela renda baixa, exploração e jornada de trabalho excessiva.
Integração Externa e Capacidade de Inovação Organizacional Moderada pelo Nível de Confiança
Authors: Gripa Sidnei , De Carvalho Luciano Castro
Published: December 2018

A integração da cadeia de suprimentos (ICS) possibilita vantagem competitiva no que diz respeito ao desempenho operacional. Isso já está consolidado na literatura. A lacuna existente está relacioanada com a ICS e a capacidade de inovação das organizações, pois de acordo com vários autores, ainda não há dados suficientes que comprovem essa relação. Este estudo tem como objetivo identificar se integração de clientes e fornecedores influenciam a capacidade de inovação organizacional. Para isso, foi realizada uma pesquisa descritiva com método quantitativo, utilizando-se de dados primários provindos de um survey. Os dados foram coletados por meio de um questionário on-line, com 20 questões, contendo dimensões sobre envolvimento de clientes e fornecedores no processo de desenvolvimento de produto, confiança e capacidade de inovação. Foram coletados dados de 86 empresas da indústria de transformação de portes variados. Os dados foram analisados por modelagem de equações estruturais com utilização do software SmartPLS. Os resultados indicam que o envolvimento do cliente influencia 0,52 na capacidade de inovação organizacional, porém o envolvimento do fornecedor, bem como a moderação da confiança sobre essas relações não foram significativas. Conclui-se que a integração da cadeia de suprimentos, principalmente com o envolvimento dos clientes, influencia a capacidade de inovação.
A jogászképzés módszertani dilemmái
Authors: Fleck Zoltán
Published: December 2018

Az egyetemi képzés strukturális problémáinak tudatos kezelése mellett az európai hagyománytól is idegen módszertani tudatosság vezethet ki a jogászképzés válságából. A hazai jogi felsőoktatás területén is léteznek olyan fejlemények, amelyek e tudatosság megjelenését bizonyítják. A tanulási folyamatot középpontba helyező oktatási szemlélet a jogász felsőoktatásban is új oktatói szemléletet igényel. Ezt a jogászképzés területén folytatott kutatások tudnák segíteni.
Vizuális Grounded Theory a pedagógiai terek értelmezésében
Authors: Sántha Kálmán
Published: December 2018

A tanulmány célja betekintést nyerni a pedagógiai terek multifunkciós jellegébe, valamint rámutatni a Vizuális Grounded Theory (VGT) neveléstudományi kutatásokban történő alkalmazhatóságára. A vizsgálat a Vizuális Grounded Theory Mey és Dietrich-féle verziójára épít, ezért a kontextualizálást, a leírást, a szegmentációt, a memóírást és kódolást, a kategóriaképzést, a kép- és szövegkategóriák integrációját alkalmazza a fotóinterjú autofotográfia technikájával készített képi dokumentumokon. Az eredmények kimutatták az iskola funkcionális térmodelljének, az egyéni és a közösségi tereknek, a személyes élettérnek, a tanulási, a rekreációs, a pedagógiai interakciók és a kommunikációs térnek a megjelenését.
Analysis of households' vulnerability to waterborne diseases in Yenagoa, Nigeria
Authors: Ohwo Odafivwotu
Published: December 2018

Waterborne diseases have serious implications for public health and socio-economic development; hence, this study analyzes households' vulnerability to waterborne diseases in Yenagoa. The study adopted the survey research design, which involves the administration of a structured questionnaire to 400 sampled households using the stratified and systematic sampling techniques, and direct field observation of households' drinking water, sanitation and hygiene facilities. Households' vulnerability to waterborne diseases was determined by households' response to five vulnerability drivers (drinking water source, sanitation facility, hygiene, education, and income). The obtained data were analyzed using descriptive statistics, Spearman's rank correlation and a waterborne disease vulnerability (WDV) model. The findings revealed that households in Yenagoa were moderately vulnerable to waterborne diseases as the calculated WDV was 55.65%. The Spearman's correlation coefficients for education with sanitation, drinking water sources and hygiene were 0.75, 1, and 0.6, respectively. This shows that the educational status of households is a major determinant of the choice of water source, sanitation, and hygiene practices. It is therefore recommended that much effort should be made by respective households and the government to improve on the quality of the vulnerability drivers, which have the capacity to reduce households' vulnerability to waterborne diseases in Yenagoa.
Methodological Aspects of Phytosterol Measurements in Biological Samples
Authors: Gylling Helena , Simonen Piia , Kaipiainen Leena , Wester Ingmar
Published: December 2018

Phytosterol measurement has gained a lot of interest during the last two decades after foods and supplements with added 4-desmethyl phytosterols were recognized and used as effective and safe non-pharmacologic hypocholesterolemic agents, and also after the mechanisms of intestinal absorption and hepatic excretion of sterols were unraveled. In addition, the wide use of serum phytosterols as biomarkers of cholesterol absorption has increased the interest in their measurement. In this review, the basic methods are discussed without going into details of the practical operations. The analysis includes first lipid extraction and saponification from various biologic matrices such as serum/plasma, feces, or tissues, after which the individual sterols are separated by adsorption chromatography (gas-liquid or liquid or high performance liquid chromatography) based on the polarity of the various sterols. We also deal with some specific aspects of phytosterol measurements in biological samples such as the need of harmonization of their analysis in biological samples, the discrepancies in the results of sitosterol and campesterol concentrations between different studies, and what is known about their biological day-to-day fluctuation. Phytosterols have a remarkable role in human health, so that their complicated and time consuming measurements call attention to routine ways of standardization between the sterol research laboratories.
The Development of Tyrosyl-DNA Phosphodyesterase 1 (TDP1) Inhibitors Based on the Amines Combining Aromatic/Heteroaromatic and Monoterpenoid Moieties
Authors: Mozhaitsev Evgenii , Suslov Evgenii , Demidova Yuliya , Korchagina Dina , Volcho Konstantin , Zakharenko Alexandra , Vasil'eva Inna , Kupryushkin Maksim , Chepanova Arina , Ayine-Tora Daniel Moscoh , Reynisson Jóhannes , Salakhutdinov Nariman , Lavrik Olga
Published: December 2018

Background:

Inhibition of the DNA repair enzyme, tyrosyl-DNA phosphodiesterase 1
(TDP1), may increase the efficacy of cancer drugs that cause damage to tumor cell DNA. Among
the known TDP1 inhibitors, there are compounds containing moieties of natural substances, e.g.,
monoterpenoids. In this work, we synthesized several compounds containing aromatic/
heteroaromatic amines and monoterpenoid groups and assessed their TDP1 inhibition potential.

Methods:

Structures of all the synthesized compounds were confirmed by 1H and 13C NMR as well
as HRMS. The TDP1 inhibitory activity of the amines was determined by real-time fluorescence
oligonucleotide biosensor.

Results:

The synthesized secondary amines had TDP1 inhibitory activity IC50 in the range of
0.79-9.2 µM. The highest activity was found for (–)-myrtenal derivatives containing p-bromoaniline
or m-(trifluoromethyl)aniline residue.

Conclusion:

We synthesized 22 secondary amines; of these, 17 amines are novel chemical structures.
Many of the amines inhibit TDP1 activity in the low micromolar range. Therefore, these
compounds are promising for further study of their antiproliferative activity in conjunction with
DNA damaging drugs.
Benzo[d]imidazol-5-yl)-5-(substituted)-1,3,4-Oxadiazoles: Synthesis, Anticancer, Antimicrobial and In Silico Studies
Authors: Kumar Naveen , Sreenivasa Swamy , Kalal Bhuvanesh Sukhlal , Kumar Vasantha , Holla Bantwal Shivarama , Pai Vinitha Ramanath , Mohan Nadigar Revansiddappa , Govindaiah Shivaraj
Published: December 2018

Background:

Cancer is a fatal disease for mankind; continuous research is still going on for the invention of potent anticancer drugs. In this view, 1, 3, 4-Oxadiazoles are privileged molecules which attracted medicinal chemists towards their anticancer properties.

Methods:

A new series of benzo[d]imidazol-5-yl)-5-(substituted)-1,3,4-oxadiazole derivatives was synthesized in an efficient ‘one-pot’ nitro reductive cyclization using sodium dithionite as a cyclizing agent by a conventional method with good yield. All the structures of the synthesized molecules were characterized by IR, 1H NMR, HRMS and Mass spectral analysis. Anticancer activity screening against A375 melanoma cancer cell line and MDA-MB-231 breast cancer cell line along with antimicrobial activity were carried out using agar well diffusion method.

Results:

Compounds 8a and 8j of the series emerged as potent anticancer agents against A375 melanoma cancer cell line with IC50 47.06 µM and 36.76 µM, respectively. In silico studies also revealed that compounds 8a and 8j showed highest interaction with 2OH4 protein of VEGFR-2 tyrosine kinase. Substantial antibacterial and antifungal activities against the tested microorganism were observed for compounds 8j and 8g.

Conclusion:

Potent anticancer property has been observed with 1,3,4-Oxadiazole linked tetrafluro substituted benzene ring 8j indicating that future research on these type of molecules can be continued to improve the anticancer activity.
Changes of Phytochemical Contents in Sweet and Waxy Corn (Zea mays L.) as Affected by Cultivars and Growth Stages
Authors: Moongngarm Anuchita , Homduang Amaraphon , Hochin Wariya
Published: December 2018

Background:

Sweet and waxy corn (Zea mays L.) are high in phytochemicals which vary
depending on several factors including corn cultivars and the maturation stage.

Methods:

Five commercial sweet and waxy corn cultivars were grown and their major phytochemical
compositions were investigated at the milk, late milk, and soft dough stages. Phytochemicals in
corn samples harvested from each kernel maturation stage were determined as total phenolic compounds,
anthocyanins, tocopherols, and carotenoids.

Results:

Significant interactions between the corn cultivars and maturation stage were detected for
all phytochemical compositions, with changes in their concentration during seed development. Total
phenolic compounds and total anthocyanins were highest in the dark purple waxy variety (316.74 mg
GAE/100 g of DW and 522.21 mg CGE/100 g of DW, respectively) in which cyanidin was the major
anthocyanin. Carotenoid compositions were also affected by corn type and harvesting stage. The yellow
sweet cultivars indicated higher levels of carotenoids than other colors, with lutein as the major
carotenoid at concentrations from 0.05 to 8.46 µg/g of DW. Contents of γ-tocotrienol, γ-tocopherol,
and α-tocopherol were observed in all five corn cultivars with similar influences of the maturation
stage.

Conclusion:

Results suggested that the phytochemical contents of all five corn types showed diverse
reliance regarding cultivars and maturity stages. The purple waxy and yellow sweet corn cultivars
contained a high level of phytochemicals. This would open up a useful opportunity for the functional
food industry as consumption of these corn cultivars would afford health benefits to consumers.
Frequency and Causes of Consuming Sports Supplements and Understanding their Side Effects Among Bodybuilders in Fitness Gyms of Kermanshah City
Authors: Baharirad Nadya , Komasi Saeid , Khatooni Alireza , Moradi Farideh , Soroush Ali
Published: December 2018

Background:

Nowadays, paying attention to sports nutrition, particularly focus on using
supplements among athletes is increasing rapidly.

Objective:

This study has been carried out in order to investigate the frequency and causes of consuming
supplements and understanding the side effects related to their consumption among bodybuilders
in Kermanshah City.

Methods:

The samples of this cross-sectional study include teenagers and young adults who are the
members of fitness gyms around Kermanshah City. 244 individuals were selected as samples using
simple random sampling. In order to gather the required data, a four-sectioned questionnaire designed
by the research team was used. The data analysis was done using chi-square, independent ttest,
and Pearson's and Spearman's correlation coefficients by SPSS-20.

Results:

The majority of bodybuilders participating in the study (95.3%) have used supplements. The
sources suggesting the consumption of supplements included other athletes, the coach, the media, nutrition
specialists, and medical doctors, respectively. Generally, 37 types of sports supplements are
used by the bodybuilders. Based on their rank, the supplements include vitamin C, Creatine, vitamin
E, multivitamin, and iron. The most frequent reasons for consuming sports supplements included
muscle building, increasing energy, and improving athletic performance. There is a significant difference
between male and female athletes with regards to knowing the psychological and sexual side
effects of consuming sports supplements (P<0.05). In general, the level of understanding and knowing
the side effects of consuming sports supplements among athletes is not desirable.

Conclusion:

Since a significant percentage of athletes, particularly male athletes, have a history of
consuming sports supplements, it is necessary that the people related to this issue including athletes,
coaches, doctors, and nutrition specialists, get sufficient information about the ingredients, side effects,
benefits, and applications of various nutritional supplements. Dysfunctional beliefs about the
supplements consumption or non-consumption should be discussed.