bluuebunny/crossref_metadata_2025 huggingface dataset:
América Latina em perspectiva: o pensamento cepalino e decolonial
Authors: Mazzetti Antônio Carlos , Wedig Josiane Carine , Perondi Miguel Angelo , Rubin-Oliveira Marlize
Published: April 2021

A América Latina, como lugar geográfico e epistêmico de características múltiplas, tem produzido tensionamentos à modernidade/colonialidade. A partir desse lugar, este ensaio tem por objetivo compreender as relações existentes entre a Comissão Econômica para a América Latina e Caribe (Cepal) e a perspectiva decolonial. Duas abordagens originadas na América Latina que têm como foco questões sociais, políticas, econômicas e ambientais. Para tanto, o caminho percorrido busca, por meio de um olhar sócio-histórico, compreender tais perspectivas com base em seus principais intelectuais, contextos e propostas. Por fim, conclui-se que se trata de perspectivas que, apesar dos caminhos diversos e distintos, têm objetivos que se entrecruzam e dialogam. Compreender aproximações e relações entre elas possibilitou destacar aspectos importantes na busca por alternativas à racionalidade hegemônica de exclusões e dependências impostas e perpetuadas desde a colonização.
Juventudes entre o rural e o urbano: o caso dos agroboys e agrogirls de Bela Vista de Goiás
Authors: Vettorassi Andrea , Dos Santos Ferreira Lorrany , Sofiati Flávio Munhoz
Published: April 2021

O texto faz uma análise de jovens em seus contextos de ruralidade na perspectiva de compreender como esse grupo social, seja de origem urbana, seja rural, vivencia os aspectos culturais do universo rural em Bela Vista de Goiás, uma cidade de base econômica agrícola. A juventude estudada é caracterizada, com base em sua roupagem modernizante, como agroboys e agrogirls por ser influenciada pelo country estadunidense, pelo agronegócio e pela indústria cultural brasileira, evidenciando sua existência entre o rural-urbano e entre campo-cidade. Foram identificadas algumas concepções do grupo estudado, estudantes do Ensino Médio, sobre o campo e a cidade, a relação com o trabalho, suas origens, práticas de lazer e perspectivas profissionais. Concluiu-se que esses jovens vivem a lógica da modernidade e o ideal de mundo globalizado, com predomínio da negação do projeto de camponês, que é atrelado às representações do caipira e atrasado, e a produção de uma forma modernizante da vivência do rural.
Integração global e dissociação local: uma análise temporal do planejamento de GPDUs por meio dos projetos Estação das Docas e Belém Porto Futuro
Authors: Arruda Maria Eduarda Iesbich , Lucas Aleph Tonera , Doebeli Luísa Siqueira
Published: April 2021

O avanço das práticas internacionais de intervenção urbana nas cidades brasileiras, nas duas últimas décadas, desencadeou processos de desarticulação do planejamento urbano na escala local, perante o enfraquecimento do poder público como ator principal, e de desequilíbrio territorial, resultantes da concentração de investimentos. Nesse contexto, norteada pela incidência do modelo de planejamento urbano estratégico, a cidade de Belém (PA) destaca-se por abarcar dois Grandes Projetos de Desenvolvimento Urbano (GPDUs) voltados à requalificação de espaços de orla: Estação das Docas, inaugurado em 2000, e, mais recentemente, Belém Porto Futuro, de 2020. Com base na análise de ambos os projetos, o presente artigo propõe-se abordar as transformações no planejamento e na gestão desses GPDUs, considerando os fundamentos do planejamento estratégico, no que diz respeito ao caráter de submissão aos padrões de intervenção internacionais e de dissociação das demandas e do contexto urbano local.
VERIFICATION OF PROPOSALS FOR INCREASING THE EFFICIENCY OF THE PRODUCTION PROCESS USING MANAGEMENT METHODS USING SIMULATION SYSTEM TECNOMATIX
Authors: Kliment Marek , Trebuňa Peter , Rosocha Ladislav , Král Štefan , Duda Richard
Published: April 2021

The contribution is focused on the production line, which covers assembly in assemblies in the automotive industry. This process consists of several assembly stations. The paper contains a brief description of production positions. The production process was analysed, and a snapshot of work activities was created. We created a simulation using the Tecnomatix Plant Simulation software tool. To increase efficiency, we also use the Hoshin method, which is commonly used in industrial enterprises. Hoshin Kanri is used as a system management tool to develop an annual tactic to implement in all departments and functions within the company. It is for organisations looking for ways to create an effective plan for the future. It is a composition of tools and principles that we can say are helpful in a set of change management and planning systems.
ASSEMBLY LINE DESIGN THROUGH SOFTWARE TECNOMATIX MODULE PROCESS DESIGNER
Authors: Trojan Jozef , Trebuňa Peter , Mizerák Marek , Duda Richard
Published: April 2021

The present article is devoted to designing the analysed workstation model using Process Designer, where individual outputs can help identify potential shortcomings. Process Designer is a widely used module. It is possible to statically design a workplace layout and analyse future production by creating a simulation of individual manufacturing activities. Subsequently, it contains suggestions to eliminate these deficiencies, which were found using the software as mentioned above.
USE OF COMPUTER SIMULATION FOR OPTIMIZATION OF ENERGY CONSUMPTION IN THE MANUFACTURING PROCESS
Authors: Bučková Monika , Gašo Martin , Mozol Štefan
Published: April 2021

This article provides information on using computer simulation to optimise energy consumption in manufacturing. Simulation of energy consumption in operation is always performed to analyse large amounts of data. Results of computer simulation offer the possibility to analyse different scenarios of production or use of machines. Each of the variants brings different scenarios to optimise energy use in order to reduce costs and improve the operation. The article also describes the sequence of steps that a user can take to create a quality simulation model. At the same time, there are graphical examples of energy consumption measurements made during simulation runs.
Reconstructing quantum theory from diagrammatic postulates
Authors: Selby John H. , Scandolo Carlo Maria , Coecke Bob
Published: April 2021

A reconstruction of quantum theory refers to both a mathematical and a conceptual paradigm that allows one to derive the usual formulation of quantum theory from a set of primitive assumptions. The motivation for doing so is a discomfort with the usual formulation of quantum theory, a discomfort that started with its originator John von Neumann. We present a reconstruction of finite-dimensional quantum theory where all of the postulates are stated in diagrammatic terms, making them intuitive. Equivalently, they are stated in category-theoretic terms, making them mathematically appealing. Again equivalently, they are stated in process-theoretic terms, establishing that the conceptual backbone of quantum theory concerns the manner in which systems and processes compose. Aside from the diagrammatic form, the key novel aspect of this reconstruction is the introduction of a new postulate, symmetric purification. Unlike the ordinary purification postulate, symmetric purification applies equally well to classical theory as well as quantum theory. Therefore we first reconstruct the full process theoretic description of quantum theory, consisting of composite classical-quantum systems and their interactions, before restricting ourselves to just the ‘fully quantum’ systems as the final step. We propose two novel alternative manners of doing so, ‘no-leaking’ (roughly that information gain causes disturbance) and ‘purity of cups’ (roughly the existence of entangled states). Interestingly, these turn out to be equivalent in any process theory with cups & caps. Additionally, we show how the standard purification postulate can be seen as an immediate consequence of the symmetric purification postulate and purity of cups. Other tangential results concern the specific frameworks of generalised probabilistic theories (GPTs) and process theories (a.k.a. CQM). Firstly, we provide a diagrammatic presentation of GPTs, which, henceforth, can be subsumed under process theories. Secondly, we argue that the ‘sharp dagger’ is indeed the right choice of a dagger structure as this sharpness is vital to the reconstruction.
Chikunguña, manifestaciones en el sistema nervioso
Authors: Meza Nohemi , Manzur Barbur María Carolina , Mejía Sanjuanelo Ana Milena
Published: April 2021

La infección por el virus de chikunguña tiene como vector el mosquito de la familia Aedes, por lo que está clasificada como arbovirus. Los primeros informes de la enfermedad datan de hace varias décadas, en el continente asiático, y aunque solo recientemente se ha extendido al continente americano, su rápida propagación permite conocer de cerca las manifestaciones clínicas, entre las que se cuenta, con menos frecuencia, el compromiso neurológico; sin embargo, su importancia radica en la severidad de las manifestaciones a nivel del sistema nervioso central y periférico, ocasionando gran discapacidad en los pacientes. El diagnóstico confirmatorio se hace con la detección del ARN viral mediante PCR, y en la mayoría de los casos el tratamiento indicado es la inmunoglobulina. Aún no se ha determinado en forma precisa cuáles son los factores por los que el virus compromete el sistema nervioso.
Malaria cerebral
Authors: Cartagena Yuliet , Monsalve Carolina , Toro María Eugenia
Published: April 2021

La malaria sigue siendo un problema de salud pública que afecta especialmente a las regiones tropicales y los países en vía de desarrollo, y Latinoamérica es una región endémica para la enfermedad. A pesar de que se ha demostrado una disminución de los casos de malaria en general, los casos de malaria complicada se mantienen estables. Entre las complicaciones graves de esta infección parasitaria está la malaria cerebral, que si bien se considera infrecuente, está asociada con una mortalidad de hasta el 20 %, especialmente en niños, y además produce altas tasas de discapacidad: alrededor del 11 % de los niños y el 25 % de los adultos que la padecen. De ahí la relevancia de conocerla y hacer la detección temprana de esta complicación. En este escrito se presenta la definición de malaria cerebral y su mecanismos fisiopatológicos, desde la obstrucción microvascular, la tormenta de citoquinas, hasta la alteración endotelial. Se llama la atención sobre el cuadro de signos y síntomas, la importancia de mantener esta sospecha clínica y la necesidad de considerar los principales diagnósticos diferenciales; se menciona la utilidad de cada una de las ayudas diagnósticas y la limitación por su poca disponibilidad en muchas áreas geográficas. Se deja el mensaje a todo el equipo de salud de estar atentos a detectar oportunamente las complicaciones sistémicas. Se presentan las bases del tratamiento actual y hacia dónde va la investigación en vacunas. Esta revisión es también una invitación a reflexionar sobre el enfoque de esta patología y la necesaria inclusión de otros factores que considerar, como las condiciones culturales, socioeconómicas y de educación que inciden en el comportamiento de la enfermedad en las comunidades afectadas.
Enfermedad de Chagas y sus manifestaciones neurológicas
Authors: Duque Montoya Daniela , Ospina Ríos Jenny Paola
Published: April 2021

La enfermedad de chagas (tripanosomiasis americana) es una zoonosis potencialmente mortal causada por el parásito Trypanosoma cruzi, transmitido por vectores encontrados principalmente en territorio latinoamericano, aunque tiene otras vías de transmisión menos comunes. La fase aguda puede ser asintomática, presentarse con síntomas generales inespecíficos o con complicaciones como miocarditis o meningoencefalitis; adicionalmente, se presentan formas crónicas que incluyen cardiomegalia y sus complicaciones, enfermedad gastrointestinal y neuropatía periférica. Los eventos tromboembólicos son frecuentes, siendo el infarto cerebral el más común. El tratamiento específico antitripanosómico tiene mayor impacto en las formas agudas; las formas crónicas deberán tratarse de acuerdo con sus complicaciones, excepto en casos seleccionados. A continuación se detalla la fisiopatología, las manifestaciones clínicas, así como el diagnóstico y el tratamiento de acuerdo con sus diferentes formas de presentación.
Análise da sífilis em gestantes nos anos de 2010 a 2019 em Joinville - SC
Authors: Ayala Arlene Laurenti Monterrosa , Jasko Barbara Gomes Dias , Biliski Maria Julia Bruckheimer
Published: April 2021

Syphilis is a common sexually transmitted infection worldwide. Objective: to analyze notified/ confirmed cases of gestational syphilis in Joinville/SC. Method: Descriptive study performed through the retrospective analysis of secondary data, from years 2010 to 2019. One thousand thirty-nine (1039) pregnant women with syphilis were investigated, based on data extracted from the DATASUS Data Processing System. Results: Most of the pregnant women were 29 years old or younger, had no paid job and low-income. Most of these women were diagnosed with syphilis and notified in the 3rd trimester of pregnancy. The predominant clinical classification of syphilis was latent syphilis. Ninety two percent (92%) of pregnant women and fifty two percent (52%) of their partners were treated. Conclusions: It was observed that young women, with no paid employment and low income are more susceptible to Sexually Transmitted Infections. Other findings were the late diagnosis of syphilis among pregnant women, and the condition of untreated partners.
Mechanical characterization of additive manufacturing composite parts
Authors: León-Becerra Juan Sebastian , González-Estrada Octavio A. , Pinto-Hernández William
Published: April 2021

Additive Manufacturing is a novel manufacturing method in which the part is produced layer by layer from a 3D CAD model. In this work, we present the mechanical characterization of Fusion Deposition Modeling (FDM). Composite parts made by a nylon matrix with two kinds of fiber reinforcements: carbon fiber or fiberglass. From the obtained microstructure, we perform a division of the composite part in regions, and individual stiffness matrices are encountered by either using a linear elastic isotropic model, for the case of solid matrix filling, or an orthotropic linear elastic model based on micromechanical results. Then, a volume average stiffness method is employed to perform the characterization of the whole part. The theoretical results are compared with the experimental data, showing good agreement for both cases. This research allows the prediction of the structural behavior of additive manufacturing 2composite parts.
Acquisition and processing of electromyographic signals for the control of a virtual vehicle in real time
Authors: Carrero-Carrero José Luis , Mendoza Luis Enrique , Nieto-Sánchez Zulmary
Published: April 2021

This work presents the registration and classification of the electromyographic (EMG) signals of the lower extremities, specifically of the gross muscle, in order to control a virtual vehicle designed in Blender. The system has 4 channels, with a graphic interface, which allows the control of a virtual vehicle. For the processing of the signals, different mathematical tools were used such as: Fourier analysis and wavelet analysis. These techniques were used in order to compress data, obtain characteristic patterns in each set of signals and perform digital filtering. The control of the car consists of 4 commands such as: accelerate, stop, right turn and left turn, which are the basic instructions for the real operation of a car. The results showed that it is possible to use biological signals to perform virtual controls (video game). Likewise, it was verified that the parameterization found for each group of EMG signals was satisfactory, since the percentage of errors of the 4 variables studied was 0.04% for a total of 400 executions. This error percentage corroborates that the system has great potential for possible future applications.
Analysis of the Transverse Force in the Rayleigh and Mie Approximations for a Capture Beam TEM00 and TEM*01
Authors: Páez - Amaya Darby , Català - Castro Frederic , Molina - Prado Martha Lucia , Montes-Usategui Mario , Arias - Hernández Néstor Alonso
Published: April 2021

Optical tweezers use a highly-focused laser beam to capture and manipulate micro- and nanometric objects. These have been demonstrated to be a promising devices for state-of-the-art research in several fields, such as microbiology and biophysics. The prediction of the optical forces that are present in this phenomenon is a current problem in continuous evolution. Additionally, the recent use of vortex beams with exotic properties as the orbital angular momentum, with advantages as the rotational manipulation of the captured microparticles and reduction of the optical damage in biological samples (Opticution), makes the problem even more complex.  Mathematical expressions in the Rayleigh and Mie regimes for the radiation force on a dielectric sphere captured by TEM00 and TEM*01 mode beams are presented. Theoretical results are then compared with experimental measurements obtained with a direct force measurement device based on light-momentum detection.
Adaptive Noise Cancellation System Using a Recursive Least Squares Filter
Authors: Beltrán-Gómez Yesica , Gómez-Rojas Jorge , Linero-Ramos Rafael
Published: April 2021

In this paper, we show an Adaptive Noise Canceller (ANC) that estimate an original audio a signal measured with noise. Adaptive system is implemented using a Recursive Least Squares filter (RLS). Its design parameters consider the filter order, forgetting factor and initial conditions to obtain optimal coefficients through iterations. A medium square error (MSE) around to 10-6  is reached, and with this it makes possible a low-cost implementation.
Interval estimation of the variance of two management dimensions for the characterization of the strategic leader
Authors: Palacios-Alvarado Wlamyr , Medina-Delgado Byron , Paipa-Álvarez Henry
Published: April 2021

The phenomenon of transculturation in different countries is a very complex reality, it is a challenge for the organizational system because it has to adapt a strategic direction under a multicultural framework, therefore the development of this research allows us to analyze two management dimensions: the profile of strategic leadership and management skills, assessing factors such as different leadership styles, decision making, teamwork, and motivation, among others. A simple random sampling of a determined population was used, central tendency and dispersion measures were calculated, obtaining confidence interval estimators for the sample variance as a parameter of interest. A research instrument (questionnaire) was designed and applied, which was developed from the systematization and operationalization of variables. The mechanism of expert judgment was used to validate the instrument and a pilot test was developed to establish its reliability. The instrument was applied to a sample of 120 small and medium enterprises located in the city of Cúcuta, Colombia and peripheral areas. The participants established that the most suitable skills in management are those of the motivational factor, teamwork, decision-making and the profile of strategic transformational leadership. At the same time, it is deduced that the managers who participated in the study exercise transformational and transactional leadership, based on a balance between contingent rewards and intellectual stimuli in order to achieve the goals established in the organization.
Induction motor speed control in a DSP-based low-THD multi-level converter
Authors: Caicedo Edison Andrés , Sepúlveda-Pacagui Henry Alfonso , Pabón-Fernández Luis David , Pardo-García Aldo , Díaz-Rodríguez Jorge Luis
Published: April 2021

This paper presents the development of an algorithm for speed control for the induction motor using the TMS320F28069M microcontroller, the algorithms were performed based on the operating limits of the scalar control technique and the characteristics of the DSP. The control technique together with the optimization algorithm used will provide the modulations with optimization of the harmonic content, based on the method of frequency variation adopting a multi-level converter, which receives the control signals from the device's GPIOs acting as the final element control loop proposed. The adopted multilevel converter converts the voltage coming from the DC BUS to a quasi-sinusoidal AC voltage thanks to the steps outlined above, providing the power supply to the induction motor that intrinsically carries the scalar control technique.
Solar potential evaluation and political, economic and social analysis (PES) in the department Cesar – Colombia
Authors: Vanegas-Chamorro Marley , Hernández Danilo , Villicaña-Ortiz Eunice
Published: April 2021

This research shows the estimation of direct, diffuse and total irradiation in the department of Cesar (Colombia) through the use of the Bird and Hulstrom model and parameterizations of the Mächler and Iqbal model. The data used for this purpose were collected by the meteorological stations installed by the Institute of Hydrology, Meteorology and Environmental Studies of Colombia (IDEAM) corresponding to the range of collection and analysis with more than 20 years between 1993 and 2013, a period of study suitable for a comprehensive solarimetric study. Irradiation data were estimated taking into account four types of climate scenarios that depended on the type of atmosphere present in the study area. It was found that the solar potential of the department of Cesar, located on the Colombian Caribbean Coast, presents average total irradiations ranging from 6.2 kWh/m2day in very turbid atmospheres to 6.8 kWh/m2 day in extremely clean atmospheres, making it one of the regions with the highest irradiation values in Colombia. This panorama allows to visualize the great potential that exists in the region for the implementation of projects with both thermal and photovoltaic solar technologies. This study was also complemented with a political, economic and social analysis of Colombia compared to the United State to determine the improvement opportunities in Colombia.
Impacto del coronavirus en el comercio internacional
Authors: Contreras Duban , Ballena-Pérez Yuri
Published: April 2021

El principal objetivo de este artículo, es dar a conocer cómo ha afectado la pandemia a las diferentes naciones, enfocándonos en sus economías, Y el trabajo que están haciendo los países para no dejarse afectar durante este periodo. Teniendo en cuenta que muchos de estos, ya venían con una caída económica bastante preocupante y que apenas se estaban recuperando. El virus termino afectando su estabilidad financiera, dejándolos si recursos para responder a esta enfermedad, sin mencionar que esto causo un cifra indescriptible de desempleo y en si  el aumento de  la pobreza. Lo cual ocasiono que tuvieran que tomar medidas drásticas para detener esta crisis, así mismo ir pensado en estrategias para recuperarse apenas pase esta ola de virus.
Análisis de la gestión de inventarios en la empresa ferretería la casita SAS, en Cúcuta
Authors: Cruz-Contreras Carmen Rocio , Pérez-Berbesi Fabio Alonso , Contreras-Cáceres María Esmeralda
Published: April 2021

Los inventarios representan para la empresa el recurso disponible más valioso por el cual la empresa debe tratar de reponer constantemente para poder satisfacer la clientela; de allí depende que llevar una gestión administrativamente confiable, dependiendo del sistema que se aplique se tendrán óptimos resultados y se reducirán los costos; dado que el caso que nos ocupa es una empresa de ferretería, tiene sus características propias en cada diversidad de productos. El trabajo que se pretende realizar, lleva por Objetivo General: Analizar la gestión de inventarios de la Ferretería La Casita SAS, en Cúcuta; Se aplicó una investigación descriptiva, documentada en revisión de trabajos de investigación que fueron previamente plasmados en una matriz constructiva para la revisión de los datos aportados en este trabajo. Se concluye que las empresas de ferretería, son muy complejos en la cantidad de productos para llevar un inventario detallado, los costos pueden variar de producto en producto, teniendo que realizar métodos de costo promedio pondera, también se aplican métodos FIFO, que es uno de los más corrientes utilizados en este tipo de inventarios.
Análisis de régimen simple de tributación en Colombia
Authors: Olarte Bracho Joel Luis , Rodriguez Molano Lina Guicella , Echeverría Lozano Julieth Paola
Published: April 2021

El presente artículo de investigación tiene como objetivo realizar un análisis del régimen simple de tributación en Colombia, en este se busca identificar las ventajas y desventajas que produce la implementación de este nuevo tributo para los distintos contribuyentes, para realizar dicho estudio se utilizó una metodología con un diseño documental, de tipo descripción, ya que se hizo una revisión de la bibliografía relacionada con el tema objeto de estudio, objetivos de libros, revistas electrónicas y repositorios de reconocido prestigio.  El desarrollo de esta investigación es importante ya que se toma en consideración un tema de gran importancia en el ámbito tributario como es el Régimen Simple de Tributación que dará un aporte a todas las personas que tengan o no la intención de acogerse a este nuevo régimen.  Dentro de los resultados se puede evidencias que con la aplicación del mencionado régimen se busca minimizar las diferentes cargas tributarias a las cuales están sometidas las empresas, sintetizando en un solo formulario varios tipos de impuestos, no obstante, este sistema por lo reciente tiene una serie de vacíos, lo cual no termina de convencer a los contribuyentes debido a que la base gravable es considerada simplemente con los ingresos ordinarios y extraordinarios.  Como conclusión, se puede decir que este tipo de sistema de tributación es considerado no como viable por algunos contribuyentes, ya que no son suficiente los beneficios que ofrece para se afecte en forma positiva el pago de impuestos a ser cancelado por parte de los contribuyentes.
Comparative first-principles analysis of electronic and absorption calculations of mono- and co-doped ZnO with trivalent ions Gd+3 and Al+3
Authors: OUADAH Ouahiba , Dergal Malika
Published: April 2021

In this paper, the energitics, electronic and absorption properties
analysis of ZnO doped and co-doped with trivalent ions Gd+3 and Al+3
have been performed using first-principles calculations with the hybrid
functional theory. The results show that the energetic stability can be
easily prepared the desirables Gd-, Al-doped and Gd/Al-codoped ZnO at
O-rich conditions. In addition, the incorporation of Gd+3 and Al+3 into
ZnO lattice creates shallow donor states around Fermi level in the
conduction band minimum from mainly Al-3s and Gd-6s states, which offers
good electronic properites with significant improvements for the
Gd-doping compared to other dopants and pure ZnO. The results show that
the absorption peaks of Al-doped and Gd/Al-codoped ZnO have a blue-shift
compared with pure ZnO. However, the absorption of Gd/Al-codoped ZnO is
slighly higher than that of pure and monodoped ZnO in the visible and
infrared zone. Finally, these results confirm that trivalent ions
doped-ZnO has n-type conductivity.
Using Machine Learning to Improve Survival Prediction After Heart Transplantation
Authors: Ayers Brian , Sandholm Tuomas , Gosev Igor , Prasad Sunil , Kilic Arman
Published: April 2021

Background: This study investigates the use of modern machine learning
(ML) techniques to improve prediction of survival after orthotopic heart
transplantation (OHT). Methods: Retrospective study of adult patients
undergoing primary, isolated OHT between 2000-2019 as identified in the
United Network for Organ Sharing (UNOS) registry. The primary outcome
was one-year post-transplant survival. Patients were randomly divided
into training (80%) and validation (20%) sets. Dimensionality
reduction and data re-sampling were employed during training. Multiple
machine learning algorithms were combined into a final ensemble ML
model. Discriminatory capability was assessed using area under
receiver-operating-characteristic curve (AUROC), net reclassification
index (NRI), and decision curve analysis (DCA). Results: A total of
33,657 OHT patients were evaluated. One-year mortality was 11%
(n=3,738). In the validation cohort, the AUROC of singular logistic
regression was 0.649 (95% CI 0.628-0.670) compared to 0.691 (95% CI
0.671-0.711) with random forest, 0.691 (95% CI 0.671-0.712) with deep
neural network, and 0.653 (95% CI 0.632-0.674) with Adaboost. A final
ensemble ML model was created that demonstrated the greatest improvement
in AUROC: 0.764 (95% CI 0.745-0.782) (p<0.001). The ensemble
ML model improved predictive performance by 72.9% ±3.8%
(p<0.001) as assessed by NRI compared to logistic regression.
DCA showed the final ensemble method improved risk prediction across the
entire spectrum of predicted risk as compared to all other models
(p<0.001). Conclusions: Modern ML techniques can improve risk
prediction in OHT compared to traditional approaches. This may have
important implications in patient selection, programmatic evaluation,
allocation policy, and patient counseling and prognostication.
Invertebrates for vertebrate biodiversity monitoring: comparisons using three insect taxa as iDNA samplers
Authors: Massey Aimee , Bronzoni Roberta , Silva David da , Allen Jennifer , Lazari Patrick de , Filho Manoel dos Santos , Canale Gustavo , Bernardo Christine , Peres Carlos , Levi Taal
Published: April 2021

Metabarcoding of environmental DNA (eDNA) is now widely used to build
diversity profiles from DNA that has been shed by species into the
environment. There is substantial interest in the expansion of eDNA
approaches for improved detection of terrestrial vertebrates using
invertebrate-derived DNA (iDNA) in which hematophagous, sarcophagous,
and coprophagous invertebrates sample vertebrate blood, carrion, or
feces. Here, we use metabarcoding and multiple iDNA samplers (carrion
flies, sandflies, and mosquitos) to profile gamma and alpha diversity in
a dry, tropical forest in the southern Amazon. Our main objectives were
to (1) compare diversity found with iDNA to camera trapping, which is
the conventional method of vertebrate diversity surveillance and (2)
compare each of the iDNA samplers to assess the effectiveness,
efficiency, and potential biases associated with each sampler. Carrion
flies were the most effective sampler, despite the least amount of
sampling effort and the fewest number of individuals captured for
metabarcoding, in describing vertebrate biodiversity followed by
sandflies. Camera traps had the highest median species richness at the
site-level but showed strong bias towards carnivore and ungulate species
and missed much of the diversity described by iDNA methods. Mosquitos
showed a strong feeding preference for humans as did sandflies for
armadillos, thus presenting potential utility to further study related
to host-vector interactions.
Evaluation of thyroid volume in patients with systemic sclerosis; what did we find?
Authors: BADAK Suade , GÜLEK Bozkurt , ERDOĞAN Esra KAYACAN , BİNOKAY Hülya , ERKEN Eren
Published: April 2021

Introduction: Systemic sclerosis is a multisystemic disease. Thyroid
involvement in systemic sclerosis is an issue that can be ignored. Our
study aimed to evaluate the decreased thyroid volume in SSc. Also, we
aimed to show the relationship between patients’ thyroid volume and
severity score, clinical and laboratory parameters. Method: This was a
single-center, cross-sectional study. Eighty-eight patients were
included in the study. A radiologist evaluated patients’ thyroid volumes
by ultrasonography. Demographic and clinical characteristics of the
patients were recorded. Skin thickness was evaluated by the modified
Rodnan skin score and the disease severity by the Medsger severity
score. Findings were analyzed statistically. Results: Thyroid volume was
in the atrophic range in 53.4% of the patients. There was a significant
negative correlation between thyroid volume and mRSS, MSS, and disease
duration. Logistic regression analysis showed that modified Rodnan skin
score and disease duration were risk factors for thyroid atrophy.
Conclusions: Many studies point out that thyroid autoantibodies are a
cause of thyroid dysfunction in patients with SSc. However, in most of
these studies, thyroid volume was not evaluated. As a result of our
study, we saw that the major cause of thyroid dysfunction in our SSc
patients was thyroid atrophy. Also, we observed that thyroid atrophy was
more common in patients with ILD. We would like to draw attention to the
fact that thyroid dysfunction and volume changes increase with the
disease’s duration and severity in systemic sclerosis.
Does the power of the laser devices matter for a successful HoLEP procedure? A prospective comparative study
Authors: Tokatli Zafer , Ferhat Mehmet , Ibis Muhammed , Sariyildiz Gulcin Turkmen , Elhan Atilla , Sarica Kemal
Published: April 2021

Background: To evaluate the efficiency and safety of medium power (MP)
holmium laser devices in the enucleation of the enlarged prostate
(HoLEP) adenomas compared to high power (HP) laser devices. Methods:
Based on the device power used, a total of 120 patients were divided
randomly into two groups. While patients in Group 1 were treated with a
MP device (50 W) at 39.6-W (2.2J / 18Hz ), patients in Group 2 were
treated with HP (100W) device at 42W (1.2J / 35Hz). Peri- and
postoperative parameters were well evaluated in both groups with an
emphasis on enucleation efficiency and hemoglobin decrease in a
comparative manner. Results: Peri- and postoperative parameters as well
as functional results were similar in the two groups. The median
enucleation efficiency (EE) values in Group 1 and Group 2 were 1.15
(IQR: 0.33-2.2) and 1.11 (IQR: 0.4-2.8), respectively (p=0.775).
Hemoglobin decrease values in Group 1 and Group 2 were 1.3 (IQR: 0.1-4)
and 1.4 (IQR: 0.4-3.1), respectively (p=0.736). Significant improve in
the postoperative functional parameters were noted again in both groups.
Conclusion: Our results indicate well that similar to the HP laser
devices, effective and safe removal of the enlarged prostate adenomas
with MP laser devices (50W) is possible without any technical
difficulties, even in patients receiving antithrombotic therapy.
The Evaluation of Serum Endocan, ADAMTS-13 and P-Selectin Levels in Predicting Subclinical Atherosclerosis in Patients with Adrenal Incidentaloma
Authors: Gonulalan Gulsum , Can Ummugulsum , Bor Mehmet Akif , Gonulalan Umut
Published: April 2021

Objectives: To investigate the cardiometabolic risk factors as endocan,
dehydroepiandrosterone sulfate (DHEAS), ADAMTS-13, p-selectin as a
predictor of atherosclerosis in patients with non-functional
adrenocortical adenoma (NFAI). Methods: We included 44 patients with
NFAI and 44 healthy individuals as the control group. The demographic,
laboratory findings and anthropometric measurements were evaluated. The
levels of serum endocan, p-selectin, ADAMTS-13 and carotid intima-media
thickness (CIMT) measurement were evaluated. Results: There was no
difference between the control group and the patients with NFAI in terms
of BMI, WC, systolic and diastolic blood pressure, HDL-C, ACTH, morning
cortisol, ADAMTS-13 and p-selectin levels. However, the levels of
waist-hip ratio, total cholesterol, insulin, HOMA-IR, LDL-C, CIMT,
endocan were significantly higher in the NFAI group in comparison with
the control group (p< 0.05). The levels of DHEAS were found
significantly lower in the patients with NFAI (p<0.05). There
was a positive correlation between ADAMTS-13, and endocan and p-selectin
(r=0.436; p=0.003, r=0.414; p=0.005). Conclusions: This is the first
study investigating the relationship between endocan, p-selectin,
ADAMTS-13 levels and NFAI. Increased endocan levels and decreased DHEAS
levels might be used as the indicators of atherosclerosis in patients
with NFAI. CIMT was also found as an independent predictor for NFAI.
Evaluation of cardiac and metabolic parameters is important in
conservative treatment of patients with NFAI. Key Worlds: Adrenal
Incidentaloma, Endocan, P-Selectin, ADAMTS-13
Mycophenolate Mofetil-Induced Peripheral Neuropathy In The Treatment of Membranous Glomerulonephropathy: A Case Report
Authors: Moghimi Minoo , Nekoukar Zahra , Gholami ّFarhad
Published: April 2021

Mycophenolate mofetil (MMF) as an immunosuppressive agent is widely used
in the management of Membranous Glomerulonephropathy (MGN). In this
report, we describe a 66-year-old male MGN case treated with MMF and
revealed acquired sensory-motor axonal polyneuropathy, which is rare and
has not been reported before.
New records and noteworthy data of plants, algae and fungi in SE Europe and adjacent regions, 4
Authors: Tomovic Gordana , Sabovljevic Marko , Denchev Teodor , Denchev Cvetomir , Niketic Marjan , Boycheva Petya , Ivanov Dobri , Sabanovic Elvedin , Djordjevic Vladan , Kutnar Lado , Ștefănuț Sorin , Pantovic Jovana , Grdovic Svetlana , Kuzmanovic Nevena , Masic Ermin , Lazarevic Predrag
Published: April 2021

This paper presents new records and noteworthy data on the following taxa in
SE Europe and adjacent regions: diatom alga Stauroneis neofossilis,
parasitic fungus Anthracoidea arenariae, horsetail Equisetum hyemale,
liverwort Harpanthus flotovianus, mosses Fissidens exilis and Rhizomnium
punctatum, monocots Epipactis helleborine subsp. orbicularis, Himantoglossum
calcaratum subsp. rumelicum and Schoenus nigricans and dicots Calluna
vulgaris, Mahonia aquifolium and Willemetia stipitata subsp. albanica.
Vestir los balcones.
Authors: Santos Sánchez-Guzmán Eva , Mesas Escobar Eva Cristina , Pérez Hernández Ana
Published: April 2021

Presentamos la experiencia artística Vestir los balcones, una obra de participación ciudadana desarrollada durante los días de confinamiento que nos permitió estar unidas para lanzar un mensaje de acogida y reconocimiento a quienes nos cuidaban.  La configuración del presente texto nos lleva a contextualizar la actividad analizando el sentido del espacio expositivo que acoge nuestro proyecto: los balcones y ventanas. Damos paso a entender por qué se aborda la propuesta desde los planteamientos del arte participativo. Así, el texto, propone una reflexión en torno a las prácticas colaborativas y el uso de las manualidades que en ellas se dan. La actividad se convirtió en una forma de relación desde lo artístico siendo cada creación un nudo de la red que nos permitía seguir creando juntos.
Review of the Book “Cultural Hybridization in the Contemporary Novel” By Diana-Eugenia Panait-Ioncică
Authors: Grigorescu Adriana
Published: April 2021

The book “Cultural Hybridization in the Contemporary Novel” attempts a bold feat: to present, out of a diversity of works in contemporary English language literature, some books that are truly valuable for the reader. It invites us to ponder on some of the hottest topics the world is currently facing, including the mixture of cultures, migration and its consequences on today’s culture and literature, the longing for home and its spiritual meaning.
Evaluasi pemeliharaan taman di areal jogging track dan playground, Pusat Pemerintahan Kabupaten Badung
Authors: Sanjaya I Wayan Agus Rene , Semarajaya Cokorda Gede Alit , Astawa I Nyoman Gede
Published: April 2021

The use of plants in the jogging track and playground area at Puspem Badung is currently disrupting visitor activities because their growth has damaged pavements and facilities. Therefore, the implementation of garden maintenance is very important to be able to maintain the comfort of the visitors and the beauty of the garden. This study aims to evaluate the maintenance of the garden in the jogging track and playground area at Puspem Badung. The research method used is a survey method. The data collected in this study are primary data and secondary data. The data collection method is done by using observation, interview, questionnaire and literature study. Based on the research results, the implementation of maintenance is carried out independently by implementing an unit and special maintenance system. In the implementation of watering, pruning, silting and weeding activities, the performance of the workers exceeds the ideal working capacity standard except for sweeping and fertilizing activities. The perception of visitors to the physical condition of the garden is considered good, seen from the indicators of assessment including garden's cleanliness, pedestrian's cleanliness, cleanliness of benches, cleanliness of planter boxes, garden safety and the beauty of the garden. Suggestions in this research are that it is necessary to have a written standard operational procedures for garden maintenance and to propose tree pruning activities at least once every three months.
Studi potensi lanskap wisata Kampung Rawa Gede, Desa Tugu Utara, Kabupaten Bogor, berbasis partisipatif
Authors: Khrisrachmansyah Rezky , Rafael Risco Noverio
Published: April 2021

Rawa Gede Hamlet is located in Tugu Utara Village, Bogor Regency, and nearby Mount Gede Pangrango. Beautiful sceneries of tea plantations and horticulture fields exist with various natural features such as waterfall and spring lake. However, a community business which manage coffee plantation awarded as the best national coffee called Cibulao Coffee also existed and give economical value to the local people. Therefore, Rawa Gede Hamlet has a potential to be developed as a tourism destination. The aim of this sudy is to assess how potentials Rawa Gede Hamlet as a tourism hamlet including both spatial and nonspatial aspects. In addition, the process of the study was a combination of qualitative and quantitative methods by using suitability scoring, community mapping, interview, and focus group discussion. This study also drove participatory approach as a core of research for design. The result showed that there are several tourism destination that had higher points than other according to tourism suitability. Those objects were Telaga Saat, Bukit Gerindra, Wisata Alam Gunung Luhur, Wisata Alam Gunung Kencana, dan Curug Sawer. Furthermore, this study was emerged also with non-spatial aspects and those acted as an identity of Rawa Gede Hamlet.
Identifikasi cultural landscape di Desa Bayung Gede, Kabupaten Bangli, Provinsi Bali
Authors: Anggawirya Anak Agung Bagus Bayu , Paturusi Syamsul Alam , Trimarianto Ciptadi
Published: April 2021

Landscape and culture are important for the sustainability of Bali tourism. The combination of landscape and culture forms a cultural landscape. For the environment, cultural landscape sustainability is very important because it contributes to biodiversity conservation. Bayung Gede Village is a Bali Aga village located in a mountainous area, with geographic conditions consisting of traditional settlements and plantation land. Bayung Gede Village has various uniqueness, but the utilization of its potential for tourism is not optimal. This research is an attempt to identify the potential cultural landscape in Bayung Gede Village. The research method used is qualitative research methods. Data collection techniques were carried out through field observations, in-depth interviews, and literature studies. The data were analyzed by using descriptive analysis techniques. From the analysis, it is concluded that most of the Bayung Gede Village area is a cultural landscape. The unique cultural landscape in Bayung Gede Village is in the form of traditional residential areas, traditional house yards, and sacred spaces. The cultural landscape of Bayung Gede Village is a cultural landscape that is deliberately designed by humans, and an associative cultural landscape, which is a combination of nature and people's beliefs.
Evaluasi lanskap koridor Sungai Sekadau di Desa Mungguk, Sekadau, Kalimantan Barat
Authors: Selly Crismania Apriati , Alfian Rizki , Budiyono Debora
Published: April 2021

A river is a natural water flow that flows from upstream to downstream. Sekadau River is located in the middle of Sekadau city to be precise in Mungguk Village, the center of urban growth. The existence of a river flow that crossed the city made many changes occurring in the Sekadau River corridor, this was due to the large number of settlements in the riverbank area which resulted in a decrease in river water quality. The purposes of this study were to analyze landscape conditions, prepare recommendations based on SWOT analysis and spatial analysis. The method used in this research was descriptive qualitative with analysis methods, namely SWOT analysis and spatial analysis. The result of this study, based on a SWOT analysis, showed that there was community-based management in coordination with the government, the community and the private sector. Spatial analysis showed that the land cover of the Sekadau River was still dominated by vegetation along the riverbanks, but the problem was in the estuary which had become a settlement. At the bottom of the river, there was a stepping stone corridor, in the middle there was a linear corridor and at the top of the river there was a linear corridor.
Penerapan Bimbingan Kelompok dengan Motode Permainan Kerjasama untuk Meningkatkan Penyesuaian Peserta Didik Kelas XI TP 1 di SMK Negeri 1 Adiwerna
Authors: Kaslani
Published: April 2021

Latar belakang masalah penelitian ini adalah ketidakmampuan peserta didik dalam melakukan penyesuaian diri, sehingga berakibat pada penyesuaian diri pada kategori rendah. Tujuan penelitian ini adalah untuk mengetahui penerapan bimbingan kelompok dengan media permainan kerjasama untuk meningkatkan penyesuaian diri pada peserta didik. 

Jenis penelitian ini adalah penelitian tindakan sebanyak dua siklus. Teknik sampling yang digunakan adalah purposive sampling dengan peserta didik yang memiliki tingkat penyesuaian diri rendah yaitu peserta didik kelas XI TP 1 yang berjumlah 10 peserta didik. 

Hasil penelitian yang diperoleh mengenai penyesuaian diri anggota kelompok pada kondisi awal sebesar 38% atau pada kondisi rendah dengan jumlah 10 peserta didik. Prosentase tingkat penyesuaian diri yang diberikan melalui bimbingan kelompok dengan media permainan kerjasama pada siklus I diperoleh persentase sebesar 76% pada kondisi sedang. Perbaikan dari siklus I maka diberikan tindakan pada siklus II dengan hasil persentase sebesar 95% pada kondisi tinggi tingkat penyesuaian diri anggota kelompok.

Simpulan dari penelitian ini bahwa penyesuaian diri anggota kelompok dapat ditingkatkan melalui bimbingan kelompok dengan metode permainan kerjasama. Saran yang diberikan bagi kepala sekolah diharapkan dapat memfasilitasi guru bimbingan konseling dalam mengembangkan media guna memberikan layanan pada peserta didik, dan bagi guru bimbingan dan konseling diharapkan memberikan perlakuan (treatment) kepada peserta didik yang memiliki kemampuan dalam meningkatkan penyesuaian diri.
Tracing the Migration of Low‐level Radioactive Waste Using Rn‐222 as an Indicator of Hydrogeological and Geochemical Conditions
Authors: Herod Matt
Published: April 2021

Port Hope, Ontario, located on the north shore of Lake Ontario, is home to some of largest amounts of low‐level radioactive waste contamination in the world. The waste is enriched in 238U and 226Ra, both of which decay into the invisible, radioactive gas radon‐222 (222Rn). This project is an attempt to determine the amounts of 222Rn that have migrated from scattered waste sites into selected streams and groundwater in the local watershed. This knowledge can be used to predict hydrogeological and geochemical conditions within the sample stream and surrounding area.