bluuebunny/crossref_metadata_2025_split huggingface dataset:
RESPON MORFOGENESIS EKSPLAN PUCUK ANGGREK TEBU (Grammatophylum speciosum Blume) SECARA IN VITRO TERHADAP BEBERAPA KONSENTRASI KINETIN
Authors: Sulichantini Ellok Dwi , Susylowati Susylowati , Ramadhan Ariya 
Published: October 2020

Sugarcane orchid (Grammatophyllum speciosum Blume) are known as a type of giant orchid, adult orchids can weigh 1 ton, panicle can grow up to 2.5 – 3 meters with a diameter of about 1.5-2 cm. Each panicle has dozens, even reaching one hundred flower buds, each with a diameter of about one 10 cm. Sugarcane orchids are a type of plant that is protected because its existence is increasingly scarce so that it needs in vitro propagation techniques to support its survival. To improve the growth of Grammatophyllum speciosum Blume in vitro shoot tip was growing on MS medium with varying concentration of kinetin (0, 1, 2, 3, and 4 mg L-1) with 5 replications. Shoot tip from in vitro culture around 1 cm lengt was used as explants. Observations carried out for 8 weeks after inoculation.The results showed that shoot explants tip growth well in MS basic medium. The addition of kinetin to the medium, increases growth rate of culture. Increasing the concentration of kinetin tends to increase the growth. The best concentration for growth induction on plant height, stem diameter, leaves length and length of roots was 2 mg.L-1 kinetin, On the other hand 3 mg.L-1 kinetin gave best response on number of leaves and 4 mg.L-1 kinetin was the best concentration on leaves width and number of roots.
Effects of Cryogenic Treatment on the Microstructure and Mechanical Properties of High-alloyed Tool Steels
Authors: Schulz Alwin , Cui Chengsong , Steinbacher Matthias , Ümit Tuncer , Wunde Martin , Jung Ingrid , Acar Serdal , Nürnberger Florian , Gerstein Gregory , Herbst Sebastian , Maier Hans Jürgen 
Published: October 2020

AbstractIn this work, the influence of a cryogenic treatment on the microstructure, mechanical properties and wear resistance of the high-alloyed tool steels X38CrMoV5-3, X153CrMoV12 and ~X190CrVMo20-4 were investigated. Based on tempering curves of the steels, the heat treatment parameters were determined for the mechanical and wear specimens so that the conventionally heat-treated steels and the cryogenically treated steels featured similar hardness. The investigations showed that an almost complete transformation of retained austenite and a more homogeneous distribution of secondary carbides in the microstructure could be achieved by incorporating a cryogenic treatment. However, the cryogenic treatment does not show significantly positive effects on the investigated mechanical properties and wear resistance of the tool steels. The wear resistance of the samples was dominated by primary carbides. The cryogenic treatment would have a positive effect on large tool components with large wall thicknesses in terms of uniform and complete transformation of retained austenite throughout the entire components.
SOFTWARE SELECTION ON BASE OF SUGENO INTEGRAL
Authors: Salimov Vagif 
Published: October 2020

The article is devoted to the problem of software selection. As a rule, this tasks are formalized as models of multi-criteria decision making (MCDM). The peculiarity of this problem is in the fact that the evaluation criteria , is generally defined by linguistic expert. This requires the use of special methods, in particularly, the theory of fuzzy sets. To solve the problem, an approach based on the a fuzzy measure was used . In general, a fuzzy measure allows one to take into account the effect of the mutual influence of criteria. The main difficulty lies in identifying this measure. The fuzzy Sugeno measure and Sugeno integral were used. An example of solving the indicated problem is given.
PROFILE OF OSTEOPOROTIC FRACTURES
Authors: Yadav Gopal , Rathod Chetan Laljibhai 
Published: October 2020

Introduction: Osteoporosis is a widespread global disorder characterized by decreased bone mass and altered bone architecture, resulting in increased fragility of the bone and an increased risk of fracture. The prevalence of osteoporosis is projected to rise dramatically in the future due to ageing of population. Leading to increased risk of fracture, osteoporosis is defined as a disorder of skeleton which is characterized by weak strength of bones according to National Institutes of Health Consensus Development Panel. According to the criteria laid by World Health Organization (WHO). There are various causes of osteoporosis which includes growing older with age, rheumatoid arthritis, lower body mass index, gender, premature ovarian failure, deficiency of vitamin D, alchohol abuse, poor consumption of calcium, medications. Osteoporosis sometimes may not be diagnosed until occurrence of fracture since it is a silent disease.
Material and Methods: The study group which comprised of cases was subjects with osteoporotic fractures above 45 years of age having any one or combination of fractions mentioned below: Thoraco-lumbar spine, distal radius, proximal femur, proximal humerus, mechanism of low-energy trauma. Patients with high-energy trauma or fractures, road side accidents and/or below 45 years of age were not included in this study. The control group comprised of subjects above 45 years of age suffering from osteoarthritis.
Results: Majority of females were observed in cases as well as controls in present studies with number of females in cases being 21 in cases while 18 in controls among 30 subjects belonging to each group. It is observed that among all fractures in cases which were included in present study, majority of fractures were proximal femur which accounted for 43% of total fractures followed by distal radius 30%, proximal humerus 20% and thoraco-lumbar spine 7%.
Conclusion: Compromised by strength of bone leading to an increased fracture risk, osteoporosis is a skeletal disorder. Older patients, females, patients with higher BMI and weighed more had a greater proportion of osteoporotic fractures.
Keywords: osteoporotic fractures, BMI, Vitamin D, alchohol abuse, calcium.
EMERGING INFECTIOUS DISEASES - A PERSPECTIVE
Authors: Jayakumar K  , Aneen Suresh  , Sony Peter  
Published: October 2020

Infectious diseases continue to impose unpredictable burdens on global health and economies. Therefore, this has become a concern, even in terms of national security. In this sense, the objective of the present article was to review the role of wild animals as reservoirs and/or dispersers of etiological agents of human infectious diseases in order to compile data on the main wild animals and etiological agents involved in zoonotic outbreaks. The zoonotic threat of these etiological agents and the impact on public health can be enormous as shown by the ongoing epidemic of 2019 novel coronavirus (2019- nCoV) infections.
Keywords: Infection, Emerging, Virus, Epedimiology, Pandemic, COVID
Avaliação do conhecimento e uso de plantas medicinais e fitoterápicos por dentistas do Seridó Potiguar/RN
Authors: Dantas Izabel Cristina de Medeiros , Lucena Eudes Euller Souza , Lima Álvaro Marcos Pereira 
Published: October 2020

O estudo teve como objetivo investigar o conhecimento, atitude e prática dos cirurgiões - dentistas, que atendem na região do Seridó no Rio Grande do Norte, sobre a fitoterapia na prática clínica. A pesquisa foi realizada por um estudo do tipo exploratório e descritivo a partir de um instrumento de coleta de dados do tipo questionário estruturado, com perguntas abertas e fechadas, disponibilizado na plataforma Google Forms e enviado por meio do endereço de e-mail profissional dos dentistas inscritos no CRO-RN que atuam na região. Os dados foram analisados a partir da análise bivariada e do teste Qui-quadrado. Apenas 17,7% dos dentistas entrevistados usam ou indicam plantas medicinais ou fitoterápicos, as espécie mais indicada pelos dentistas é a camomila (Matricaria chamomilla), para aliviar os sintomas da erupção dentária em bebês, tratamento de inflamação e ajuda no processo de cicatrização e o fitoterápico é a Valeriane (Valeriana officinalis L). 91,1% dos entrevistados nunca cursaram nenhuma disciplina sobre a temática em questão, 68,8% não tem conhecimento da Resolução Nº 082/2008-CFO. Conclui-se, assim, que os dentistas em questão fazem pouca indicação ou prescrição de plantas medicinais e fitoterápicos, e sendo possível que isso se dê pelo pouco conhecimento acerca da temática.
The Effect of Feeding with Resveratrol on Myogenin and mTOR Levels in Mice
Authors: Andaç Öztürk Serap , Kızıltan Gül , Yurtçu Erkan , Bacanlı Didem , Korkmaz Kasap Yeşim , Köse Beril 
Published: October 2020

Aim: It is reported that resveratrol may induce muscle hypertrophy and myogenesis. Accordingly, resveratrol is promising for the treatment of muscle diseases and ergogenic aid for athletes. In this study it is aimed to observe the effects of resveratrol on myogenin and mTOR levels and muscle mass.
Material and Methods: The study is performed on 14 Swiss albino young adult mice at Başkent University Experimental Animal Research Center. The mice are divided randomly into study (n:7) and control (n:7) groups. During consecutive 7 days, 20 mg/kg trans-resveratrol was given to the study group intraperitoneally. After the seventh day administration, the right gastrocnemius muscles are disected, weighted and stored at -80 °C for mTOR and myogenin analysis. Then, myogenin and mTOR levels are determined by enzyme-linked immunosorbent assay (ELISA) method in homogenised muscle mass.
Results: According to mean myogenin and mTOR levels, there was no significantly difference between groups (p>0.05). Total body weight and the right gastrocnemius muscle weight of the study group (22.11±3.22 g, 0.09±0.03 g, respectively) at the 7th day was found significantly lower than control group (28.63±3.80 g, 0.12±0.02 g, respectively) (p<0.05).
Conclusion: It was observed that resveratrol administration had no effect on myogenin and mTOR levels which is a fore-step for muscle hypertrophy. On the other hand, interestingly total body weight and muscle mass decrease was observed in the study group. The effects of resveratrol on muscle tissue is a relatively less studied topic. However, the authors are suggesting more studies on the resveratrol usage or administration for the effective dose and time interval investigation.
Potable Water Hygiene from the Stagnation of Water Point of View
Authors: Peráčková Jana , Juhošová Dominika 
Published: October 2020

Potable and hygienically suitable water supply is important for both residential and commercial buildings. The contribution focuses on potable water hygiene and quality from the water stagnation point of view. Stagnation of water is very dangerous phenomena because it causes the change in water quality. Proper routing and arrangement of cold and hot water pipes can significantly reduce the risk of water stagnation. In the paper, the classical trunk-and-branch installation system with the hygienically more suitable alternatives are compared. The paper also provides the definition of potable water, basic factors affecting its quality and basic rules for its control.
Effects of Water Table, Population Density and Transplanting Time on Vegetative Growth of Black Sticky Rice at Floating Seedbed Method
Authors: Ria Rofiqoh Purnama , Lakitan Benyamin , P. Negara Zaidan 
Published: October 2020

Ria RP, Lakitan B, Negara ZP. 2020. Effects of water table, seedling density and transplanting time on vegetative growth of black sticky rice at floating seedbed. Jurnal Lahan Suboptimal : Journal of Suboptimal LandsÂ 9(2): 167-174.Study on black sticky rice cultivation in South Sumatera is seldom carry out. The objective of this study was to evaluate the effect of water table and population density on the growth of rice during seedling preparation at floating seedbed; furthermore, this study aimed to evaluate the effect of transplanting time on vegetative growth of black sticky rice. The research was started in May 2018 in Palembang. Black sticky variety used in this research was Toraja variety. The raft used is made from 1,5 l plastic bottles which are arranged to reachÂ 2x1 meters in size. This study was conducted by two stages. The first stage was for water table and population density treatments laid on split plot design. The second stage was for transplanting time utilizing completely randomized factorial design. Statistically, results showed water table and population density significantly influensced root length of black sticky rice and transplanting time 14 DAS haad an effect on the leaf length , leaf width and leaf area.
Aprovechamiento de materias primas regionales para el desarrollo de envases comestibles activos y biodegradables
Authors: Kupervaser María Gabriela , Flores Silvia Karina , Sosa Carola Andrea 
Published: October 2020

Entre las tecnologías emergentes para la optimización de la preservación de alimentos surge como novedosa alternativa el empleo de películas o recubrimientos comestibles autosoportados que confieren propiedades funcionales específicas. Los trabajos desarrollados en este tema, conducen a incorporar agentes antimicrobianos de fuentes naturales en la formulación de películas, ya que la inclusión de aditivos podría considerarse como una nueva tendencia de envasado activo. Los films o recubrimientos comestibles son láminas delgadas elaboradas con materiales aptos para el consumo y que actúan como una barrera entre el alimento y el ambiente que los rodea, incrementando así la vida útil del producto. Los films obtenidos a partir de polisacáridos, especialmente de almidones, presentan un alto potencial ya que tienen un bajo costo, son transparentes, no confieren olor ni color, poseen una baja permeabilidad al O2 y son biodegradables. Estos sistemas altamente prometedores son capaces de mejorar la calidad, vida útil, seguridad y funcionalidad de los alimentos, y además pueden actuar como carriers de ingredientes activos. En el presente trabajo, se expone la formulación de recubrimientos comestibles a base de almidón de mandioca y adicionados de aceites esenciales (AE), y su posterior evaluación del efecto antimicrobiano frente a la levadura Zygosaccharomyces parabailii, como antecedente de la investigación realizada en el marco de mi tesis de maestría. Sobre la base de los resultados obtenidos en la misma, se propone el actual plan de tesis doctoral que consiste en desarrollar un envase comestible, activo y ecofriendly a base de almidón de mandioca, glicerol y agua, y analizar la viabilidad de la incorporación de pulpas o concentrados de frutas regionales del Nordeste Argentino (mango, guayaba y mamón), estudiando su influencia en las propiedades físicas, mecánicas, de barrera y como fuente natural de polifenoles, antimicrobianos y antioxidantes.
Estudio de la degradación y ruptura de estructuras MOS basadas en óxidos high-k multicapas
Authors: Boyeras Baldomá Santiago , Palumbo Félix 
Published: October 2020

El crecimiento exponencial de la industria electrónica ha sido impulsado por un aumento en la densidad de transistores complementarios metal-óxido-semiconductor (CMOS). Pero la tecnología de transistores basada en Silicio está cerca de los límites físicos de la miniaturización, amenazando con acabar con la revolución microelectrónica. Actualmente, se están realizando importantes avances tecnológicos en cuanto a una nueva generación de dispositivos basados en una combinación inteligente de materiales seleccionados. En este trabajo se estudia el desgaste y ruptura de dispositivos MOS basados en óxidos multicapa de alta permitividad. Los resultados experimentales sugieren que el uso de óxidos con alta conductividad térmica tiene un fuerte impacto en la dinámica de ruptura de los dispositivos
Síntesis de arcilla pilareada con titanio (Ti-PILC) y transesterificación de aceite de ricino
Authors: Origlia Elias Enrique , Casuscelli Sandra Graciela , Cánepa Analía Laura 
Published: October 2020

En el presente estudio se espera difundir a la comunidad científica los resultados obtenidos, tanto en la síntesis de arcillas pilareadas de titanio (Ti-PILC) como en la transesterificación de aceite de ricino. Ambos procedimientos forman parte de los avances de investigación en la tesis doctoral denominada “Síntesis de materiales como catalizadores para la epoxidación de ésteres metílicos de ácidos grasos (FAME’s) obtenidos de aceites vegetales no comestibles”. Debido al escaso tiempo, solo se expondrán algunos resultados de la síntesis del catalizador heterogéneo (Ti-PILC), como así también la transesterificación del aceite de ricino para obtener la mezcla de FAME’s, materia prima necesaria para la epoxidación propuesta en el tema de tesis original. Los FAME’s obtenidos a partir del aceite de ricino se caracterizaron por Espectroscopia Infrarroja con Transformada de Fourier (FTIR). Las arcillas se caracterizaron por isotermas de adsorción-desorción de N2. El material pilareado presentó área específica superior respecto a la arcilla original (Na-mont).
Como próximo objetivo se evaluará el material catalítico en las reacciones de epoxidación. Además, se procederá a identificar los productos de reacción por diferentes técnicas analíticas, tales como: Cromatografía gaseosa (GC), Espectrometría de masa acoplada a cromatografía gaseosa (MS-GC), FTIR y Resonancia magnética nuclear de protones (1HRMN). Por último, se buscará correlacionar las propiedades fisicoquímicas de los materiales con su actividad catalítica, a fin de rediseñar, si es necesario, los catalizadores que hagan posible optimizar la obtención de los productos buscados (epóxidos).
Resistencia mecánica de uniones soldadas en aceros sometidos en servicio a alta temperatura
Authors: Fernández Luis Enrique , Moro Lilian , Iurman Lucio 
Published: October 2020

Los componentes de plantas industriales que trabajan a altas temperaturas (plantas químicas/petroquímicas y generadoras de energía) fallan por permanecer a la exposición prolongada a altas temperaturas y presión, este fenómeno se conoce como termofluencia (Creep).
El objetivo de esta tesis es estudiar en forma teórica y experimental uniones soldadas realizadas en aceros ferríticos – martensítico como el que contiene 9% de Cr, tipo P9 o P91. Posteriormente se estudian las aleaciones base níquel, Inconel 601(60 Ni – 25 Cr e Incolloy 800 H (30 Ni – 20 Cr) que poseen poseen alta resistencia termo mecánica asociadas a su microestructura.Analizando el comportamiento de los aceros sometidos a un ciclo térmico de soldadura por arco realizada por dos procesos sucesivos: FCAW-*Alambre tubular por Arco*-, SMAW-*Arco de Metal protegido*- y GTAW*-Electrodo de Tungsteno protegido por gas-*, realizando un estudio sistemático que permita encontrar interrelaciones entre la composición química del material,el procedimiento de soldadura, la microestructura y las propiedades de la junta soldada, como así también los efectos del tratamiento térmico postsoldadura (PWHT) sobre la microestructura y las propiedades mecánicas (Tracción, tenacidad y resistencia al creep)
Sífilis: uma revisão da literatura
Authors: Zaupa Ana Beatriz Pinheiro , Santos Eduardo Benassi dos , Detogni Anna Caroliny , Medina Bianca Arnone Lopes , Ferronatto Guilherme Felipe , Pezzini Rolando Plümer , Naufel Fabiana Scarparo , Boleta-Ceranto Daniela de Cássia Faglioni 
Published: October 2020

A intensificação do número de registros de sífilis congênita vem preocupando a saúde pública. Dados da Organização Mundial da Saúde (OMS) estimam que, em 2016 ocorreram 20 milhões de casos de sífilis em adolescentes e adultos, sendo 6,3 milhões de casos novos. No Brasil, em 2017, eram 59,1 casos por 100.00 habitantes e em 2018 75,8/100.000 habitantes. Em crianças é transmitida verticalmente pela mãe que possui a bactéria Treponema pallidum. Sendo assim, a redução do número de casos de gestantes com sífilis congênita é essencial para que os recém-nascidos não apresentem também essa patologia e suas consequências. Além disso, vale ressaltar as gestantes adolescentes que apresentam mais fatores de risco em relação à sífilis, como a rebeldia da puberdade e a falta de informação sobre o sexo seguro e, por isso, merecem uma atenção especial. O presente estudo tem como objetivo revisar a literatura a respeito do crescimento de casos de sífilis, levando em conta o aumento de gestantes com sífilis e as consequências sofridas pelo recém-nascido.
Ensino e Aprendizagem de Matemática: uma investigação sobre a prática educacional
Authors: Silva Rosemeire Terezinha da , Santos Solange Xavier dos 
Published: October 2020

A Matemática tem por princípio compreender e dar significado às coisas, permitindo ao homem resolver problemas da vida diária, assim funcionando como instrumento essencial para a construção do conhecimento em outras áreas. No entanto, muitos estudantes apresentam dificuldade para aprender conceitos matemáticos e baixo desempenho nessa disciplina. Esse trabalho investigou como o ensino de Matemática tem sido conduzido - metodologias praticadas no cotidiano das salas de aula, dificuldades de aprendizagem dos alunos em assimilar conteúdos e dos professores em promover o ensino - assim identificando os principais problemas que afetam o ensino aprendizagem desse componente curricular. Os dados foram obtidos de questionários semiestruturados aplicados a professores e alunos do 3º ano do Ensino Médio. Foi constatado que os professores estão cientes dos entraves desse processo e citaram como principais dificuldades a falta de conhecimentos prévios, indisciplina e desinteresse dos alunos; insuficiência de recursos didáticos e precária estrutura das escolas; falta de formação continuada e extensa carga horária de trabalho dos docentes, que dificultam o planejamento e elaboração de aulas que atendam às necessidades dos educandos. Apesar de mostrarem conhecer a importância de aprender matemática, os alunos alegaram que esses conteúdos são difíceis de assimilar, falta de contextualização na abordagem e, que não dominam pré-requisitos e falta de tempo para os estudos. As principais sugestões dos professores para minimizar essa problemática consideram a disponibilização de recursos didáticos apropriados, investimento na infraestrutura das unidades escolares e incentivo aos professores. Os discentes consideram que trabalhar os conteúdos matemáticos junto com outras disciplinas facilitaria a aprendizagem de conceitos abstratos.
Aspidosperma excelsum and its pharmacological potential: in silico studies of pharmacokinetic prediction, toxicological and biological activity
Authors: Correa-Barbosa Juliana , Silva Milena Cristina Martins da , Percário Sandro , Brasil Davi do Socorro Barros , Dolabela Maria Fâni , Vale Valdicley Vieira 
Published: October 2020

Based on ethnobotanical studies, the Aspidosperma excelsum was selected due to its highest claim of popular use for malaria and febrile diseases treatments. This species is rich in secondary metabolites as alkaloids and therefore, the aim of this study was to evaluate the pharmacokinetic, toxicological and biological activity of alkaloids isolated from Aspidosperma excelsum by in silico studies. All substances already isolated from this species were submitted to predictive studies of biological, toxicological and pharmacokinetic activities. Predictive studies of biological activities did not attribute the antimalarial activity to pure substances. However, other activities were found, such as: action on central nervous system and antineoplastic activity. In pharmacokinetic terms, many substances showed an inhibitory action on cytochrome P450 (CYP) and many adverse reactions, highlighting actions on the CNS. Also, several alkaloids, being nitrogenous substances, presented mutagenic or genotoxic activities. Thus, it is demonstrated the species potential for biological activities not yet studied, as well as the importance of investigating its pharmacokinetic and toxicological properties, justifying the accomplishment of the present study.