Pesquisa | SciELO

Abstract: Tomatoes are widely cultivated, both by family farmers and corporate producers. During the tomato growth cycle, several diseases can affect the plant. The identification of these diseases through short-range images is significant, and computer vision techniques are commonly used to identify diseases in plant leaves. In this paper, a hybrid model that combines a convolutional neural network (CNN) and a Random Forest (RF) decision tree is used for foliar spot detection in tomato leaves. High-level features learned and extracted from CNN are used as input for the RF classifier. To evaluate the proposed model’s performance for plant disease identification, a case study of 2480 low-cost digital RGB images collected in actual field conditions, under different intensities of light exposure, were used, including healthy tomato leaves and leaves with visible symptoms of powdery mildew fungus, which attacks the tomato leaf. The results were compared with six conventional machine learning classifiers: Logistic Regression (LR), Linear Discriminant Analysis (LDA), K- Nearest Neighbors (KNN), Naive Bayes (NB), Support Vector Machine (SVM) and Random Forest (RF). The results show that the proposed model outperformed conventional classifiers, reaching an accuracy of 98%. The results highlight the importance of fusing models to improve the detection plant´s diseases. Abstract cultivated producers cycle shortrange short range significant paper (CNN (RF Highlevel High level classifier s 248 lowcost low cost conditions exposure fungus leaf classifiers LR, LR , (LR) LDA, LDA (LDA) K KNN, KNN (KNN) NB, NB (NB) SVM (SVM RF. . 98 98% plants 24 (LR (LDA (KNN (NB 9 2

https://doi.org/10.1590/s1982-21702024000100001

Brazilian headache registry: methods and preliminary data of the pilot study registry
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Grassi, Vanise

; Jurno, Mauro Eduardo

; Fröhlich, Alan Christmann

; Rieder, Carlos Roberto de Mello

; Sarmento, Elder Machado

; Pereira, Júlia Kássia

; Silva, Leonardo Lima

; Barea, Liselotte Menke

; Poli, Luiz Ernesto Besen

; Queiroz, Luiz Paulo

; Ciciarelli, Marcelo Cedrinho

; Peres, Mario Fernando Prieto

; Rocha Filho, Pedro Augusto Sampaio

; Vieira, Rebeca Veras de Andrade

; Londero, Renata Gomes

; Kowacs, Fernando

Arquivos de Neuro-Psiquiatria

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Ago 2023, Volume 81 Nº 8 Páginas 740 - 747

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract Background Evaluation and treatment of primary and secondary headaches is a global public health challenge. Recognizing the epidemiological impact of headaches, a group of researchers linked to the Brazilian Headache Society proposed the Brazilian Headache Registry and drew up its initial protocol. Objective Here we describe the methods and preliminary data obtained from the pilot study. Methods This was a multicenter longitudinal observational study conducted between September 2020 and August 2021. Prospective data were collected in three specialist centers for headache care in states in southern and southeastern Brazil. Patients aged 18 years or older who sought care for headache in tertiary centers and who agreed to participate in the study, were considered eligible. Results Sixty-six patients were included in the pilot study: 43 (65%) from Rio Grande do Sul state and 23 (35%) from Minas Gerais state. Overall, 90% were female, and the subjects' mean age was 38.2 ± 11.2 years. Primary headaches accounted for 85.3% of the diagnoses made. Among secondary headaches, medication overuse headache was the most frequent type (7.1%). Conclusions The pilot study showed the feasibility of the research protocol developed for tertiary centers. The Brazilian Headache Registry will form a source of longitudinal data with the aim of contributing to better characterization of the various phenotypes of patients with primary and secondary headaches, and to detailing the use of health resources and identifying predictors of better clinical outcomes. challenge 202 2021 Brazil 1 eligible Sixtysix Sixty six 4 65% 65 (65% 2 35% 35 (35% Overall 90 female subjects 382 38 38. 112 11 11. 853 85 3 85.3 made 7.1%. 71 7.1% . 7 (7.1%) outcomes 20 6 (65 (35 9 8 85. 7.1 (7.1% (6 (3 7. (7.1 ( (7. (7

Resumo Antecedentes A avaliação e o tratamento das cefaleias primárias e secundárias são um desafio global de saúde pública. Reconhecendo o impacto epidemiológico das cefaleias, um grupo de pesquisadores vinculados à Sociedade Brasileira de Cefaleia propôs a criação de um Registro Brasileiro de Cefaleia e elaborou seu protocolo inicial. Objetivo Nesta publicação descrevemos os métodos e dados preliminares obtidos a partir do estudo piloto. Métodos Trata-se de um estudo prospectivo observacional longitudinal multicêntrico, realizado entre setembro de 2020 e agosto de 2021. Foram coletados dados em três centros especializados no atendimento de cefaleia, em estados da região sul e sudeste do Brasil. Pacientes com idade igual ou superior a 18 anos que procuraram os centros terciários por queixa de cefaleia e concordaram em participar do estudo foram considerados elegíveis. Resultados Sessenta e seis pacientes foram incluídos no estudo piloto, 43 (65%) do Rio Grande do Sul e 23 (35%) de Minas Gerais. Da amostra total, 90% eram do sexo feminino e a idade média dos sujeitos foi de 38,2 ± 11,2 anos. As cefaleias primárias representaram 85,3% dos diagnósticos realizados. Entre as cefaleias secundárias, a cefaleia por uso excessivo de medicamentos foi a mais frequente (7,1%). Conclusões O estudo piloto evidenciou a viabilidade do protocolo de pesquisa desenvolvido para centros terciários. O Registro Brasileiro de Cefaleia constituirá uma fonte de dados longitudinais com o objetivo de contribuir para melhor caracterização dos diversos fenótipos de pacientes com cefaleias primárias e secundárias, detalhar o uso de recursos de saúde e identificar preditores de melhores desfechos clínicos. pública inicial Tratase Trata se multicêntrico 202 2021 Brasil 1 elegíveis 4 65% 65 (65% 2 35% 35 (35% Gerais total 90 382 38 38, 112 11 11, 853 85 3 85,3 realizados 7,1%. 71 7,1% . 7 (7,1%) clínicos 20 6 (65 (35 9 8 85, 7,1 (7,1% (6 (3 7, (7,1 ( (7, (7

https://doi.org/10.1055/s-0043-1771175

Intervención estratégica emergente en escalada deportiva (primer análisis de caso Ecuador)
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Garcés-Mosquera, José Ernesto

; Sailema-Torres, Marcelo

; Indacochea-Mendoza, Jean Carlos

; Tarqui-Silva, Leonardo Eliecer

; Sanchez-Salinas, Marco Vinício

Revista Universidad y Sociedad

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Jun 2023, Volume 15 Nº 3 Páginas 518 - 524

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

RESUMEN Introducción: La presente investigación dentro del área deportiva de iniciación en escalada, incluye la participación e involucramiento de varios profesionales de la parcela deportológica, con una visión en la cual, la psicología del deporte y psicología clínica, se constituyeron como una de las herramientas fundamentales que permitió establecer parámetros de entrenamiento, distribución de cargas, motivación hacia el logro deportivo, y el planteamiento de nuevos parámetros para la intervención transdisciplinar. Objetivo: El objetivo central de la intervención emergente estratégica tuvo como finalidad, el detener una posible crisis emocional severa en una escaladora de 11 años, la cual atravesaba momentos críticos en su entorno y psiquismo. Metodología: el estudio se centró en un análisis de caso, esta forma de abordaje se lo aplica en casos específicos que requieren una exploración y determinadas medias por la complejidad del mismo. Conclusiones: Es posible identificar logros significativos dentro de la vida psíquica, deportiva y de formación encaminada hacia una evolución en el área competitiva futura, logrando el manejo de diferentes estrategias mentales aplicadas a lo práctico, sin embargo, existieron factores “suigeneris” que interrumpieron todo el proceso en momentos “claves, siendo la primera propuesta investigativa en escalada dentro de Ecuador.

ABSTRACT Introduction: The present investigation within the sports area of initiation in climbing, includes the participation and involvement of several professionals of the sports field, with a vision in which, sports psychology and clinical psychology, were constituted as one of the fundamental tools. which allowed establishing training parameters, load distribution, motivation towards sporting achievement, and the approach of new parameters for transdisciplinary intervention. Objective: The central objective of the strategic emergent intervention was aimed at stopping a possible severe emotional crisis in an 11-year-old climber, who was going through critical moments in her environment and psyche. Methodology: the study focused on a case analysis, this form of approach is applied in specific cases that require an examination and certain measures due to their complexity. Conclusions: It is possible to identify significant achievements within the mental, sports and training life aimed at an evolution in the future competitive area, achieving the management of different mental strategies applied to the practical, however, there were "sui generis" factors that interrupted everything. the process at key moments, being the first investigative proposal in escalation within Ecuador.

Representações artísticas e científicas: os Átomos de Hilma af Klint científicas
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Fernandes, Carlos Jorge da Silva Correia

; Pereira, Bruno Michael da Silva

; Francisco Junior, Wilmo Ernesto

Ciência & Educação (Bauru)

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2023, Volume 29 elocation e23054

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract The purpose of this article is to examine paintings in the Atoms series by Swedish artist Hilma af Klint in terms of artistic and scientific representations. The discussions were anchored in Psychology of Art and conceptual profiles about atoms, and the interconnections between science education and art were woven based on the role of representations as material artifacts. Methodologically, it is based on the principles of visual design grammar, as well as the textual and visual composition of the works. Klint's works are artistic representations of conceptual complexity and diversity, including views on the continuous and particulate nature of matter, particle duality, energy-matter interconversion, the uncertainty principle, energy levels, and ether as a constitutive element of matter. The relationship between the watercolors and scientific conceptions of atoms, based on semiotic analysis, provides opportunities for artistic, scientific, and sociohistorical mediation, allowing us to explore the genetic route of the conceptual development of the atom by comparing and opposing them to representations. atoms artifacts Methodologically grammar Klints s diversity matter duality energymatter interconversion principle levels analysis mediation

Resumo Este artigo analisou pinturas da série Átomos, de 1917, da artista sueca Hilma af Klint em termos das representações artísticas e científicas. Metodologicamente, apoiou-se em princípios da gramática do design visual. A discussão se ancorou na psicologia da arte e nos perfis conceituais sobre átomos. As representações artísticas dos Átomos de Klint demonstram complexidade e diversidade conceitual, incluindo visões sobre a natureza contínua e particulada da matéria, característica dual das partículas, interconversão energia-matéria, princípio da incerteza, níveis de energia e o éter como parte constituinte da matéria. As características artísticas se interconectam e produzem uma coexistência das zonas de perfis conceituais sensorialista, clássico e quântico, sendo o substancialista menos observado. As aproximações entre as aquarelas e as concepções científicas de átomos a partir da análise semiótica fornecem possibilidades de mediação artística, científica e histórico-social, podendo-se explorar a rota genética do desenvolvimento conceitual do átomo, comparando-se e contrapondo-se as representações. 1917 Metodologicamente apoiouse apoiou visual matéria partículas energiamatéria, energiamatéria energia-matéria incerteza sensorialista quântico observado artística históricosocial, históricosocial histórico social, social histórico-social podendose podendo átomo comparandose comparando contrapondose contrapondo 191 19 1

https://doi.org/10.1590/1516-731320230054

Influence of the Incorporation of Rubber Fibers on The Properties of Concrete Reinforced with Steel Fibers
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Silva, Augusto Carlos Gomes da

; Batista, Lucas Silveira

; Silva, Fabiana Maria da

; Becker, Ariane Roberto

; Gomes, Amauri Ernesto

; Gachet, Luísa Andréia

; Lintz, Rosa Cristina Cecche

Materials Research

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2023, Volume 26 Supl. 1 elocation e20230042

Resumo: En | Texto: En | PDF: En

The use of steel fibers in concrete affects its rheological properties in the fresh state and increases its energy absorption capacity in the hardened state. Rubber fibers come from tires and when incorporated into concrete, they promote an improvement in its damping factor. This work aimed to evaluate the use of rubber fibers on the mechanical properties of concrete reinforced with steel fibers. The evaluated properties were: compressive strength, tensile strength, static and dynamic modulus of elasticity and damping. The mixes of the tested concretes varied the consumption of steel and rubber fibers. From the results found, it can be seen that the rubber associated with steel fibers within the concrete mixtures improves the damping rates of the material. factor were strength found material

https://doi.org/10.1590/1980-5373-mr-2023-0042

Characterization of Cuban and Brazilian natural zeolites by photoacoustic spectroscopy and electron paramagnetic resonance
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LARA-BERNAL, ARLEM

; SILVA, MARCELO G. DA

; MOTA, LEONARDO

; MARÍN, ERNESTO

; CORDEIRO, THALLIS C.

; SILVA, EDSON C. DA

; VIANA, DANIEL A.

; VARGAS, HELION

; POLIDORO, JOSÉ CARLOS

; MELLO-MONTE, MARISA BEZERRA DE

Anais da Academia Brasileira de Ciências

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2022, Volume 94 Nº 1 elocation e20200512

Resumo: En | Texto: En | PDF: En

Abstract This report describes the photoacoustic and electron paramagnetic resonance investigations of Brazilian and Cuban zeolites. Photoacoustic optical absorption measurements indicate the presence of iron (Fe 3 +) ions with their respective transition bands for both zeolites. Two species of manganese (Mn 2 + and Mn 3 +) were identified in the Cuban sample and the electronic transitions assigned. Iron and manganese ions were confirmed through nonradiative relaxation ( τ) and characteristic diffusion ( τ β) times evaluation, whose values were found to be τ BRA = 5.40 ms, τ CUB = 4.60 ms, τ β BRA = 387 μs and τ β CUB = 305 μs. Crystal field (Dq- BRA/Dq- CUB = 1048 cm − 1/945 cm − 1) plus Racah (B- BRA/B- CUB = 457 cm − 1/813 cm − 1 and C- BRA/C- CUB = 3655 cm − 1/2496 cm − 1) parameters were assessed as well. Paramagnetic resonance corroborated Fe 3 + ions present in the Brazilian zeolite occupying sites showing axial and/or rhombic symmetry distortions. For the Cuban sample, results reveal the characteristic hyperfine sextet lines of Mn 2 + overlapping the Fe 3 + line. Values of Landé factor and isotropic hyperfine splitting constant were found to be 2.0 and 9.7 mT, respectively. This tells us that the Mn 2 + lies in octahedral symmetry probably replacing calcium ions and point towards an ionic bonding character of the Mn 2 + and its surroundings.

https://doi.org/10.1590/0001-3765202120200512

Diretrizes da Sociedade Brasileira de Cardiologia sobre Angina Instável e Infarto Agudo do Miocárdio sem Supradesnível do Segmento ST – 2021
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Nicolau, José Carlos

; Feitosa Filho, Gilson Soares

; Petriz, João Luiz

; Furtado, Remo Holanda de Mendonça

; Précoma, Dalton Bertolim

; Lemke, Walmor

; Lopes, Renato Delascio

; Timerman, Ari

; Marin Neto, José A.

; Bezerra Neto, Luiz

; Gomes, Bruno Ferraz de Oliveira

; Santos, Eduardo Cavalcanti Lapa

; Piegas, Leopoldo Soares

; Soeiro, Alexandre de Matos

; Negri, Alexandre Jorge de Andrade

; Franci, Andre

; Markman Filho, Brivaldo

; Baccaro, Bruno Mendonça

; Montenegro, Carlos Eduardo Lucena

; Rochitte, Carlos Eduardo

; Barbosa, Carlos José Dornas Gonçalves

; Virgens, Cláudio Marcelo Bittencourt das

; Stefanini, Edson

; Manenti, Euler Roberto Fernandes

; Lima, Felipe Gallego

; Monteiro Júnior, Francisco das Chagas

; Correa Filho, Harry

; Pena, Henrique Patrus Mundim

; Pinto, Ibraim Masciarelli Francisco

; Falcão, João Luiz de Alencar Araripe

; Sena, Joberto Pinheiro

; Peixoto, José Maria

; Souza, Juliana Ascenção de

; Silva, Leonardo Sara da

; Maia, Lilia Nigro

; Ohe, Louis Nakayama

; Baracioli, Luciano Moreira

; Dallan, Luís Alberto de Oliveira

; Dallan, Luis Augusto Palma

; Mattos, Luiz Alberto Piva e

; Bodanese, Luiz Carlos

; Ritt, Luiz Eduardo Fonteles

; Canesin, Manoel Fernandes

; Rivas, Marcelo Bueno da Silva

; Franken, Marcelo

; Magalhães, Marcos José Gomes

; Oliveira Júnior, Múcio Tavares de

; Filgueiras Filho, Nivaldo Menezes

; Dutra, Oscar Pereira

; Coelho, Otávio Rizzi

; Leães, Paulo Ernesto

; Rossi, Paulo Roberto Ferreira

; Soares, Paulo Rogério

; Lemos Neto, Pedro Alves

; Farsky, Pedro Silvio

; Cavalcanti, Rafael Rebêlo C.

; Alves, Renato Jorge

; Kalil, Renato Abdala Karam

; Esporcatte, Roberto

; Marino, Roberto Luiz

; Giraldez, Roberto Rocha Corrêa Veiga

; Meneghelo, Romeu Sérgio

; Lima, Ronaldo de Souza Leão

; Ramos, Rui Fernando

; Falcão, Sandra Nivea dos Reis Saraiva

; Dalçóquio, Talia Falcão

; Lemke, Viviana de Mello Guzzo

; Chalela, William Azem

; Mathias Júnior, Wilson

Arquivos Brasileiros de Cardiologia

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Jul 2021, Volume 117 Nº 1 Páginas 181 - 264

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

https://doi.org/10.36660/abc.20210180 3052 downloads

Circulation and suspended sediment transport in a sediment starving ria: the Itapessoca
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Oliveira Filho, José C. de

; Schettini, Carlos A. F.

; Silva, Ricardo F. da

; Lima, Edmilson S. de

; Domingues, Ernesto de C.

Ocean and Coastal Research

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2021, Volume 69 elocation e21024

Resumo: En | Texto: En | PDF: En

Abstract The Itapessoca estuary is part of the Itamaracá-Itapessoca Estuarine System, a ria-type estuary located on the northeast Brazilian shore, in the state of Pernambuco. Here we present an assessment of the estuarine circulation, suspended sediment dynamics, and its main transport mechanisms. We carried out a field survey where water level, currents, salinity, temperature, and suspended sediment concentration (SSC) were recorded at 10-minute intervals during two complete semi-diurnal tidal cycles under spring tide conditions. The field survey was conducted in September (2012), which is a transitional period between wet and dry seasons. The water level displayed symmetrical ebb-flood phases; however, currents were ebb-dominated. The freshwater contribution was negligible, and the mean salinity was ~35 g/kg, which is slightly lower than the adjacent shelf values (36.5 g/kg). The SSC transport was driven by the ebb-dominated tidal currents, with the highest values of ~30 mg/l occurring during the peak current during the ebb. The source of the suspended sediment was the erosion from the bottom, and the concentration was much lower than other similar estuaries (e.g., Caravelas). This observation suggests this system is a ‘sediment starved system’ in the sense that it presents a low concentration of suspended sediment.

https://doi.org/10.1590/2675-2824069.21003jcdof 95 downloads

Interplays between Atta ants (Formicidae: Attini), soils and environmental properties in the Brazilian Neotropics: a preliminary assessment
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Schaefer, Carlos Ernesto Gonçalves Reynaud

; Henriques, Renata Jordan

; Gomes, Lhoraynne Pereira

; Gorsani, Rodrigo Gomes

; Santos, Michel Filiphy Silva

; Fernandes, Daniela Pinto de Souza

Revista Brasileira de Ciência do Solo

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2021, Volume 45 elocation e0210073

Resumo: En | Texto: En | PDF: En

ABSTRACT Leaf-cutting ants are the most important herbivore in the neotropics, represent active agents of pedobioturbation, and are regarded as ecosystem engineers. These ants have a wide variety of ecological functions, such as pollination, seed dispersal, and tree-growing control. Despite this importance, little is known on their distribution in relation to possible soil and environmental conditions that affect Atta ants occurrence. This study aimed to spatialize the main occurrences of Atta species in the Brazilian territory and evaluate the main environmental conditions driving ants species in the Brazilian tropical landscapes, at a preliminary basis. We compiled data of occurrence for 12 Atta species from Global Biodiversity Information Facility (GBIF) databases, and scientific literature (up to 2019) for each Atta species. To each point, we obtained the respective geoenvironmental data as soil properties, biome, geology, vegetation land use, and climate variables. From these data, possible zonalities of occurrence of 9/10 Atta species were discussed. We applied the principal components analysis (PCA) and Canonical Correspondence Analysis (CCA) to identify the environmental gradient and investigate the possible interplay between variables and species. Soil, vegetation, and land use attributes are the main drivers on the distribution of Atta at local scale where their evolutionary physiological and foraging adaptations allow them to nest and maintain the fungi culture. At broader scales, climatic attributes are key drivers of Atta distribution across Brazil, and also influence pedogenic processes. Our study demonstrates that species of Atta ants are not randomly dispersed in Brazil and are strongly associated with complex and diverse Brazilian landscapes. We remark that further studies on the distribution of leaf-cutting ants of the Atta genus in Brazil, as well as their evolutionary phylogenetics, are needed, based on larger database.

https://doi.org/10.36783/18069657rbcs20210073

10.

Qualitative terpene profiling of Cannabis varieties cultivated for medical purposes
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Rocha, Ernesto Diaz

; Silva, Vitória EA

; Pereira, Fernanda CS

; Jean, Valery M

; Souza, Fabio L Costa

; Baratto, Leopoldo Clemente

; Vieira, Ana CM

; Carvalho, Virgínia Martins

Rodriguésia

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2020, Volume 71 elocation e01192019

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo A partir da iminente regulação da Cannabis para uso médico, métodos para o controle de qualidade desta matéria-prima serão necessários. Além de testes para contaminantes e potência, há também interesse farmacêutico e forense na determinação do perfil de terpenos nas diferentes variedades de Cannabis como método complementar de identificação. Um método HS-SPME GC-MS simples e não destrutivo foi usado para identificar o conteúdo de terpenoides em doze amostras de Cannabis, quatro delas do tipo cânhamo (Harle-tsu), sete diferentes do tipo maconha e uma do tipo intermédio. Todas foram previamente analisadas por HPLC para medir a potência através dos teores de THC e CBD. Comparação com a biblioteca de espectros foi usada para identificar os terpenos. Trinta compostos tipo terpeno foram detectados, nove deles estavam presentes em todas as amostras em níveis significativos, os quais foram usados para definir o perfil de terpenos: humuleno, cariofileno, D-limoneno, α-pineno, β-pineno, β-mirceno, linalool, terpinoleno e α-bergamoteno. Três deles, cariofileno, α-pineno e β-mirceno resultaram em maior quantidade na maioria das amostras. De acordo com a análise de componentes principais (PCA), as quatro amostras da variedade Harle-Tsu (perfil de cânhamo com THC/CBD < 1) apresentaram dois perfis diferentes, em duas amostras o componente majoritário foi o cariofileno, enquanto nas outras duas amostras o β-mirceno foi o componente majoritário. As amostras de maconha (THC/CBD > 1) mostraram perfis mais amplos, sem padrões claros que pode ser justificado pelo reduzido tamanho amostral. O método mostrou-se simples e viável para determinação do perfil de terpenos em matéria-prima vegetal de espécies do gênero Cannabis. Por outro lado, a atribuição de perfis químicos às variedades específicas necessita de mais estudos com maior tamanho amostral.

Abstract With the upcoming medical Cannabis regulation, quality control methods on raw material will be required. Besides testing for contaminants and potency, there are also pharmaceutical and forensic interests in the determination of the terpene profile in different strains of Cannabis as complementary identification methods. A simple non-destructive HS-SPME GC-MS method was used to identify the terpene content in twelve Cannabis samples, four of them were of the hemp type (Harle-tsu), seven from various marihuana types and one of the intermediate type. They all were previously analyzed by HPLC to determine the potency (THC and CBD content). Spectral library matching was used to identify the terpenes compounds. Thirty terpenes compounds were detected, nine of them were present in all Cannabis samples and used to find their terpene profile: α-pinene, β-pinene, β-myrcene, D-limonene, terpinolene, linalool, caryophyllene, α-bergamotene and humulene. Three of them, caryophyllene, α-pinene and β-myrcene were found as larger components in most of samples. A principal components analyses (PCA) was performed. The four hemp type samples showed two different profiles, two samples showed caryophyllene as main component and the others two with β-myrcene as such. The marihuana type samples showed wider profiles with no clear patterns at all, which is not surprising because of the low number of samples. The simple methodology shows viable to set the terpenes profile for analyses of raw Cannabis material. Suitability for differentiation between different sorts of types needs more studies, with increasing numbers of samples.

https://doi.org/10.1590/2175-7860202071040 2502 downloads

11.

WHOLE-BODY VIBRATION TRAINING PROTOCOLS IN OBESE INDIVIDUALS: A SYSTEMATIC REVIEW
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Melo, Fábio Antônio Tenório de

; Melo, Gislane Ferreira de

; Albuquerque Neto, Severino Leão de

; Silva, Rogério Wagner da

; França, Nanci Maria de

; Silva, Amanda Alves da

; Ferreira, Carlos Ernesto Santos

Revista Brasileira de Medicina do Esporte

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Dez 2019, Volume 25 Nº 6 Páginas 527 - 533

Resumo: Pt En Es | Texto: Pt En Es | PDF: Pt | PDF: En | PDF: Es

RESUMO A obesidade é uma doença crônica degenerativa. Os aparelhos de vibração de corpo inteiro (VCI) permitem o controle da intensidade dos exercícios através das suas variáveis: frequência, amplitude e tempo de vibração, possibilitando intervenções nessas populações. O objetivo do presente estudo foi realizar uma revisão sobre as aplicações, protocolos e resultados dos aparelhos de VCI em indivíduos obesos. Realizou-se uma revisão sistemática da literatura utilizando os descritores e termos verificados no DeCS (LILACS e SCIELO) e no MeSH (PubMED). Dos 13 estudos selecionados, sete utilizaram o delineamento metodológico do tipo experimental e seis do tipo quase-experimental. Onze estudos analisaram as respostas crônicas e dois as respostas agudas ao treinamento com VCI. Os valores de frequência variaram entre 30 e 35 Hz, a amplitude, em torno de 2 mm, e, em relação à intensidade, a maioria dos protocolos de treinamento utilizara o aumento gradativo da VCI ao longo da intervenção. Oito estudos adicionaram exercícios dinâmicos e cargas extras à VCI. O tempo médio de exposição total à VCI variou em torno de 20’ distribuídos em 1 ou 2 séries, com tempos de 30” a 60” de vibração pelo mesmo tempo de descanso. A frequência média das intervenções foi em torno de 2 a 3 vezes por semana, com tempo médio de 10 meses de intervenção. Entre os principais resultados destacam-se: redução do peso corporal e melhoria nas variáveis fisiológicas da absorção de oxigênio, da densidade mineral óssea e do perfil arterial, indicando que a VCI pode ser uma ferramenta segura no combate à obesidade e suas implicações. Nível de Evidência II. Revisão Sistemática de Estudos de Nível II.

ABSTRACT Obesity is a chronic degenerative disease. Whole-body vibration (WBV) devices make it possible to control the intensity of exercises through their variables: frequency, amplitude and vibration time, thus enabling interventions in these populations. The objective of this study was to review the applications, protocols and results of WBV devices in obese individuals. A systematic literature review was conducted using the descriptors and terms verified in DeCS (LILACS and SCIELO) and MeSH (PubMED). Of the thirteen studies selected, seven used an experimental and six a quasi-experimental methodological design. Eleven studies analyzed chronic responses and two studies acute responses to WBV training. Frequency values ranged between 30 and 35 Hz, amplitude was around 2 mm, and in terms of intensity, most of the training protocols used a gradual increase in WBV throughout the intervention. Eight studies added dynamic exercises and extra loads to the WBV. The mean total WBV exposure time varied around 20’ distributed in 1 or 2 series, with vibration times of 30” to 60” and the same rest time. The mean frequency of interventions was around 2 to 3 times a week, with a mean intervention time of 10 months. The main results include: decrease in body weight and improvement in the physiological variables of oxygen absorption, bone mineral density and arterial profile, indicating that WBV can be a safe tool in the fight against obesity and its implications. Level of Evidence II. Systematic Review of Level II Studies.

RESUMEN La obesidad es una enfermedad crónica degenerativa. Los aparatos de vibración de cuerpo entero (VCE) permiten el control de la intensidad de los ejercicios por medio de sus variables: frecuencia, amplitud y tiempo de vibración, posibilitando intervenciones en estas poblaciones. El objetivo del presente estudio fue realizar una revisión sobre las aplicaciones, protocolos y resultados de los aparatos de VCE en individuos obesos. Se realizó una revisión sistemática de la literatura utilizando los descriptores y términos verificados en el DeCS (LILACS y SCIELO) y en el MeSH (PubMED). De los trece estudios seleccionados, siete utilizaron delineamiento metodológico del tipo experimental y seis del tipo cuasi experimental. Once estudios analizaron las respuestas crónicas y dos las respuestas agudas al entrenamiento con VCE. Los valores de frecuencia variaron entre 30 y 35 Hz, la amplitud, alrededor de 2 mm, y con relación a la intensidad, la mayoría de los protocolos de entrenamiento utilizó el aumento gradual de la VCE, a lo largo de la intervención. Ocho estudios agregaron ejercicios dinámicos y cargas extra a la VCE. El tiempo promedio de exposición total a la VCE varió en torno a 20 ‘distribuidos en una o dos series, con tiempos de 30” a 60” de vibración por el mismo tiempo de descanso. La frecuencia promedio de las intervenciones fue alrededor de dos a tres veces por semana, con tiempo promedio de 10 meses de intervención. Entre los principales resultados se destacan: reducción del peso corporal y mejora en las variables fisiológicas de la absorción de oxígeno, de la densidad mineral ósea y del perfil arterial, indicando que la VCE puede ser una herramienta segura en el combate a la obesidad y sus implicaciones. Nivel de evidencia II. Revisión Sistemática de Estudios de Nivel II.

https://doi.org/10.1590/1517-869220192506211005 1838 downloads

12.

Application of business intelligence For analyzing vulnerabilities to increase the security level in an academic CSIRT
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Reyes-Mena, Francisco Xavier

; Fuertes-Díaz, Walter Marcelo

; Guzmán-Jaramillo, Carlos Enrique

; Pérez-Estévez, Ernesto

; Bernal-Barzallo, Paúl Fernando

; Villacís-Silva, César Javier

Revista Facultad de Ingeniería

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Abr 2018, Volume 27 Nº 47 Páginas 21 - 29

Resumo: Es En Pt | Texto: Es En Pt | PDF: Es | PDF: En | PDF: Pt

Resumen Esta investigación tuvo como objetivo diseñar una solución para la toma de decisiones mediante Inteligencia de Negocios, que permite adquirir datos e información de una amplia variedad de fuentes y utilizarlos en la toma de decisiones en el análisis de vulnerabilidades de un equipo de respuesta ante incidentes informáticos (CSIRT). Este estudio se ha desarrollado en un CSIRT Académico que agrupa varias universidades miembros del Ecuador. Para llevarlo a cabo se aplicó la metodología de Investigación-Acción con un enfoque cualitativo, dividido en tres fases: Primera, se realizó una evaluación comparativa de dos herramientas de análisis de intrusos: Passive Vulnerability Scanner y Snort, que son utilizadas por el CSIRT, para verificar sus bondades y verificar si son excluyentes o complementarias; enseguida se han guardado los logs en tiempo real de los incidentes registrados por dichas herramientas en una base de datos relacional MySQL. Segunda, se aplicó la metodología de Ralph Kimball para el desarrollo de varias rutinas que permitan aplicar el proceso "Extraer, Transformar y Cargar" de los logs no normalizados, que luego serían procesados por una interfaz gráfica. Tercera, se construyó una aplicación de software mediante la metodología Ágil Scrum, que realice un análisis inteligente con los logs obtenidos mediante la herramienta Pentaho BI, con el propósito de generar alertas tempranas como un factor estratégico. Los resultados muestran la funcionalidad de esta solución que ha generado alertas tempranas y que, en consecuencia, ha incrementado el nivel de seguridad de las universidades miembros del CSIRT académico.

Abstract This study aimed at designing a potential solution through Business Intelligence for acquiring data and information from a wide variety of sources and utilizing them in the decision-making of the vulnerability analysis of an Academic CSIRT (Computer Security Incident Response Team). This study was developed in a CSIRT that gathers a variety of Ecuadorian universities. We applied the Action-Research methodology with a qualitative approach, divided into three phases: First, we qualitatively evaluated two intrusion detection analysis tools (Passive Scanner and Snort) to verify their advantages and their ability to be exclusive or complementary; simultaneously, these tools recorded the real-time logs of the incidents in a MySQL related database. Second, we applied the Ralph Kimball's methodology to develop several routines that allowed applying the "Extract, Transform, and Load" process of the non-normalized logs that were subsequently processed by a graphical user interface. Third, we built a software application using Scrum to connect the obtained logs to the Pentaho BI tool, and thus, generate early alerts as a strategic factor. The results demonstrate the functionality of the designed solution, which generates early alerts, and consequently, increases the security level of the CSIRT members.

Resumo Esta pesquisa teve como objetivo desenhar uma solução para a tomada de decisões mediante Inteligência de Negócios, que permite adquirir dados e informação de uma ampla variedade de fontes e utilizá-los na tomada de decisões na análise de vulnerabilidades de um equipamento de resposta ante incidentes informáticos (CSIRT). Este estudo tem se desenvolvido em um CSIRT Acadêmico que agrupa várias universidades membros do Equador. Para realizá-lo, aplicou-se a metodologia de Pesquisa-Ação com um enfoque qualitativo, dividido em três fases: Primeira, realizou-se uma avaliação comparativa de duas ferramentas de análise de intrusos: Passive Vulnerability Scanner e Snort, que são utilizadas pelo CSIRT, para verificar seus benefícios e se são excludentes ou complementários; imediatamente são guardados os logs em tempo real dos incidentes registrados por ditas ferramentas em uma base de dados relacional MySQL. Segunda, aplicou-se a metodologia de Ralph Kimball para o desenvolvimento de várias rotinas que permitam aplicar o processo "Extrair, Transformar e Carregar" dos logs não normalizados, que logo seriam processados por uma interface gráfica. Terceira, construiu-se uma aplicação de software mediante a metodologia Ágil Scrum, que realize uma análise inteligente com os logs obtidos mediante a ferramenta Pentaho BI, com o propósito de gerar alertas precoces como um fator estratégico. Os resultados mostram a funcionalidade desta solução que tem gerado alertas precoces e que, em consequência, tem incrementado o nível de segurança das universidades membros do CSIRT acadêmico.

https://doi.org/10.19053/01211129.v27.n47.2018.7747 913 downloads

13.

Molecular diagnosis of symptomatic toxoplasmosis: a 9-year retrospective and prospective study in a referral laboratory in São Paulo, Brazil
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Camilo, Lilian Muniz

; Pereira-Chioccola, Vera Lucia

; Gava, Ricardo

; Meira-Strejevitch, Cristina da Silva

; Vidal, Jose Ernesto

; Mattos, Cinara Cássia Brandão de

; Frederico, Fábio Batista

; De Mattos, Luiz Carlos

; Spegiorin, Lígia Cosentino Junqueira Franco

; Murata, Fernando Henrique Antunes

; Ferreira, Marina Neves

; Barbosa, Deusenia Machado Ulisses

; Gonçalves, Fausto da Silva

; Dias, Cristiane Moraes

; Catelan, Marcia Wakai

; Siqueira, Rubens Camargo

; Previato, Mariana

; Barbosa, Amanda Pires

; Cavallini, Danilo

Brazilian Journal of Infectious Diseases

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Dez 2017, Volume 21 Nº 6 Páginas 638 - 647

Resumo: En | Texto: En | PDF: En

ABSTRACT Symptomatic forms of toxoplasmosis are a serious public health problem and occur in around 10-20% of the infected people. Aiming to improve the molecular diagnosis of symptomatic toxoplasmosis in Brazilian patients, this study evaluated the performance of real time PCR testing two primer sets (B1 and REP-529) in detecting Toxoplasma gondii DNA. The methodology was assayed in 807 clinical samples with known clinical diagnosis, ELISA, and conventional PCR results in a 9-year period. All samples were from patients with clinical suspicion of several features of toxoplasmosis. According to the minimum detection limit curve (in CT), REP-529 had greater sensitivity to detect T. gondii DNA than B1. Both primer sets were retrospectively evaluated using 515 DNA from different clinical samples. The 122 patients without toxoplasmosis provided high specificity (REP-529, 99.2% and B1, 100%). From the 393 samples with positive ELISA, 146 had clinical diagnosis of toxoplasmosis and positive conventional PCR. REP-529 and B1 sensitivities were 95.9% and 83.6%, respectively. Comparison of REP-529 and B1 performances was further analyzed prospectively in 292 samples. Thus, from a total of 807 DNA analyzed, 217 (26.89%) had positive PCR with, at least one primer set and symptomatic toxoplasmosis confirmed by clinical diagnosis. REP-529 was positive in 97.23%, whereas B1 amplified only 78.80%. After comparing several samples in a Brazilian referral laboratory, this study concluded that REP-529 primer set had better performance than B1 one. These observations were based after using cases with defined clinical diagnosis, ELISA, and conventional PCR.

https://doi.org/10.1016/j.bjid.2017.07.003 837 downloads

14.

Non-critical urinary cadmium excretion as a risk factor associated with tubular markers of early kidney injury in Central Mexico
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Robles-Osorio, M.ª Ludivina

; García-Solís, Pablo

; Solís-Sainz, Juan Carlos

; Montero-Perea, Diana

; Avilés-Romo, Itzel

; Sabath-Silva, Elizabeth

; Ochoa-Martínez, Angeles

; Pérez-Maldonado, Iván

; Sabath, Ernesto

Nefrología (Madrid)

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Out 2017, Volume 37 Nº 5 Páginas 552 - 554

Resumo: En | Texto: En | PDF: En

https://doi.org/10.1016/j.nefro.2017.01.008 131 downloads

15.

Enhancing quality in Diffusion Tensor Imaging with anisotropic anomalous diffusion filter
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Senra Filho, Antonio Carlos da Silva

; Salmon, Carlos Ernesto Garrido

; Santos, Antonio Carlos dos

; Murta Junior, Luiz Otávio

Research on Biomedical Engineering

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Set 2017, Volume 33 Nº 3 Páginas 247 - 258

Resumo: En | Texto: En | PDF: En

Abstract Introduction: Diffusion tensor imaging (DTI) is an important medical imaging modality that has been useful to the study of microstructural changes in neurological diseases. However, the image noise level is a major practical limitation, in which one simple solution could be the average signal from a sequential acquisition. Nevertheless, this approach is time-consuming and is not often applied in the clinical routine. In this study, we aim to evaluate the anisotropic anomalous diffusion (AAD) filter in order to improve the general image quality of DTI. Methods A group of 20 healthy subjects with DTI data acquired (3T MR scanner) with different numbers of averages (N=1,2,4,6,8, and 16), where they were submitted to 2-D AAD and conventional anisotropic diffusion filters. The Relative Mean Error (RME), Structural Similarity Index (SSIM), Coefficient of Variation (CV) and tractography reconstruction were evaluated on Fractional Anisotropy (FA) and Apparent Diffusion Coefficient (ADC) maps. Results The results point to an improvement of up to 30% of CV, RME, and SSIM for the AAD filter, while up to 14% was found for the conventional AD filter (p<0.05). The tractography revealed a better estimative in fiber counting, where the AAD filter resulted in less FA variability. Furthermore, the AAD filter showed a quality improvement similar to a higher average approach, i.e. achieving an image quality equivalent to what was seen in two additional acquisitions. Conclusions In general, the AAD filter showed robustness in noise attenuation and global image quality improvement even in DTI images with high noise level.

https://doi.org/10.1590/2446-4740.02017 2385 downloads

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