Produção Nacional
Revisado por pares
Carla Bisaccioni, Marcelo Vívolo Aun, Edcarlos Cajuela, Jorge Kalil, Rosana Câmara Agondi, Pedro Giavina‐Bianchi,
Severe asthma is found in approximately 10% of patients with asthma. Some factors associated with worse asthma control include rhinitis, gastroesophageal reflux disease, vocal cord dysfunction (VCD), nasal polyposis and bronchiectasis. Therefore, we evaluated the prevalence of these illnesses in patients with severe asthma.We conducted a retrospective analysis of data obtained from electronic medical records of patients with severe asthma between January 2006 and June 2008. Symptoms of rhinitis and ...
Tópico(s): Eosinophilic Esophagitis
2009 - Elsevier BV | Clinics
Produção Nacional
Revisado por pares
Marcelo F. Furtado, Edcarlos D. Silva, Maxwell L. Silva,
We obtain existence and multiplicity of solutions for the quasilinear Schrödinger equation $$-\Delta u + V(x)u - \Delta(u^2)u = g(x,u), \,\, x \in \mathbb{R}^N,$$ where V is a positive potential and the nonlinearity g(x, t) behaves like t at the origin and like t 3 at infinity. In the proof, we apply a changing of variables besides variational methods. The obtained solutions belong to $${W^{1,2}(\mathbb{R}^N)}$$ .
Tópico(s): Advanced Mathematical Physics Problems
2014 - Birkhäuser | Zeitschrift für angewandte Mathematik und Physik
Produção Nacional
Revisado por pares
Manoel Alexandre Diniz Neto, Edvane Borges da Silva, Lourival Ferreira Cavalcante, Belísia Lúcia Moreira Toscano Diniz, José C. A. da Silva, Edcarlos Camilo da Silva,
Um experimento foi conduzido entre março e junho de 2012 no Centro de Ciências Agrárias da UFPB, Areia, PB, para avaliar o crescimento inicial de plantas de oiticica (Licania rigida Benth), pela altura, diâmetro caulinar, área foliar, teor de clorofila total, biomassa das raízes e da parte aérea de plantas em função da salinidade da água, biofertilizante bovino e potássio no solo. Os tratamentos foram arranjados em delineamento inteiramente casualizado, com seis repetições, em esquema fatorial 5 ...
Tópico(s): Environmental and biological studies
2014 - UNIVERSIDADE FEDERAL DE CAMPINA GRANDE | Revista Brasileira de Engenharia Agrícola e Ambiental
Produção Nacional
Revisado por pares
Marcos L. M. Carvalho, Edcarlos D. da Silva, C. Goulart,
In this paper, the existence and multiplicity of solutions for a quasilinear elliptic problem driven by the [Formula: see text]-Laplacian operator is established. These solutions are also built as ground state solutions using the Nehari method. The main difficulty arises from the fact that the [Formula: see text]-Laplacian operator is not homogeneous and the nonlinear term is indefinite.
Tópico(s): Numerical methods in inverse problems
2016 - World Scientific | Communications in Contemporary Mathematics
Produção Nacional
Revisado por pares
Uberlândio B. Severo, Elisandra Gloss, Edcarlos D. da Silva,
We study the existence and nonexistence of nonzero solutions for the following class of quasilinear Schrödinger equations:−Δu+V(x)u+κ2[Δ(u2)]u=h(u),x∈RN, where κ>0 is a parameter, V(x) is a continuous potential which is large at infinity and the nonlinearity h can be asymptotically linear or superlinear at infinity. In order to prove our existence result we have applied minimax techniques together with careful L∞-estimates. Moreover, we prove a Pohozaev identity which justifies that 2⁎=2N/(N−2) ...
Tópico(s): Nonlinear Differential Equations Analysis
2017 - Elsevier BV | Journal of Differential Equations
Produção Nacional
Revisado por pares
Marcelo F. Furtado, Edcarlos D. Silva, Maxwell L. Silva,
It establishes existence and multiplicity of solutions to the elliptic quasilinear Schrödinger equation −div(g2(u)∇u)+g(u)g′(u)|∇u|2+V(x)u=h(x,u),x∈ℝN,where g, h, V are suitable smooth functions. The function g is asymptotically linear at infinity and, for each fixed x∈ℝN, the function h(x, s) behaves like s at the origin and s3 at infinity. In the proofs, we apply variational methods.
Tópico(s): Numerical methods in inverse problems
2017 - American Institute of Physics | Journal of Mathematical Physics
Produção Nacional
Revisado por pares
Juliana Gagno Lima, Lígia Giovanella, Márcia Cristina Rodrigues Fausto, Aylene Bousquat, Edcarlos Vasconcelos da Silva,
RESUMO A concepção de uma Atenção Primária à Saúde (APS) abrangente e sua qualidade podem ser avaliadas por meio da efetivação dos atributos: primeiro contato, longitudinalidade, abrangência/integralidade e coordenação. O artigo teve por objetivo analisar a consecução dos atributos da APS na prática das equipes, na perspectiva dos profissionais e usuários, comparando-se os resultados do Programa Nacional de Melhoria do Acesso e da Qualidade da Atenção Básica (PMAQ-AB), entre os ciclos 1 e 2. Estudo ...
Tópico(s): Patient Satisfaction in Healthcare
2018 - Centro Brasileiro de Estudos de Saúde | Saúde em Debate
Produção Nacional
Revisado por pares
Minbo Yang, José Carlos de Albuquerque, Edcarlos D. Silva, Maxwell L. Silva,
We study the existence and nonexistence results for a class of linearly coupled Choquard system in critical cases.
Tópico(s): Mathematical Dynamics and Fractals
2018 - Elsevier BV | Applied Mathematics Letters
Produção Nacional
Revisado por pares
Fashun Gao, Edcarlos D. da Silva, Minbo Yang, Jiazheng Zhou,
Abstract In this paper, we consider the nonlinear Choquard equation $$-\Delta u + V(x)u = \left( {\int_{{\open R}^N} {\displaystyle{{G(u)} \over { \vert x-y \vert ^\mu }}} \,{\rm d}y} \right)g(u)\quad {\rm in}\;{\open R}^N, $$ where 0 < μ < N , N ⩾ 3, g ( u ) is of critical growth due to the Hardy–Littlewood–Sobolev inequality and $G(u)=\int ^u_0g(s)\,{\rm d}s$ . Firstly, by assuming that the potential V ( x ) might be sign-changing, we study the existence of Mountain-Pass solution via a nonlocal version of the second concentration- compactness principle. ...
Tópico(s): Geometric Analysis and Curvature Flows
2019 - Cambridge University Press | Proceedings of the Royal Society of Edinburgh Section A Mathematics
Produção Nacional
Revisado por pares
Mathilde Champeau, Daniel Alves Heinze, Thiago Lobianco Viana, Edcarlos Rodrigues de Souza, Anne Cristine Chinellato, Silvia Titotto,
Abstract 3D printing permits the construction of objects by layer‐by‐layer deposition of material, resulting in precise control of the dimensions and properties of complex printed structures. Although 3D printing fabricates inanimate objects, the emerging technology of 4D printing allows for animated structures that change their shape, function, or properties over time when exposed to specific external stimuli after fabrication. Among the materials used in 4D printing, hydrogels have attracted growing ...
Tópico(s): Micro and Nano Robotics
2020 - Wiley | Advanced Functional Materials
Produção Nacional
Camila Rodrigues Barbosa Nemer, Ingrid Souza Reis Santos, Larissa Duarte Ferreira, Edcarlos Vasconcelos da Silva, Zilmar Augusto de Souza Filho, Eduardo Queiroz De Lima, Marlucilena Pinheiro da Silva, Elizabeth Teixeira,
Objetivo: analisar os fatores associados à inadequação do início do pré-natal de acordo com o Índice de Adequação da Utilização do Cuidado Pré-natal. Método: estudo descritivo, transversal e quantitativo. Realizou-se entrevista guiada por um roteiro com variáveis socioeconômicas, gestacionais, institucionais e de acesso, com 60 gestantes registradas em uma Unidade Básica de Saúde do município de Macapá, Amapá. Os dados foram processados no programa Statistical Package for the Social Sciences versão ...
Tópico(s): Male Reproductive Health Studies
2021 - | Enfermagem em Foco
Produção Nacional
Revisado por pares
Edcarlos D. Silva, Marcos L. M. Carvalho, José Carlos de Albuquerque, Sabri Bahrouni,
In this paper we are concerned with some abstract results regarding to fractional Orlicz-Sobolev spaces. Precisely, we ensure the compactness embedding for the weighted fractional Orlicz-Sobolev space into the Orlicz spaces, provided the weight is unbounded. We also obtain a version of Lions' "vanishing" Lemma for fractional Orlicz-Sobolev spaces, by introducing new techniques to overcome the lack of a suitable interpolation law. Finally, as a product of the abstract results, we use a minimization ...
Tópico(s): Advanced Mathematical Modeling in Engineering
2021 - Elsevier BV | Journal of Differential Equations
Produção Nacional
Revisado por pares
Felipe Pucci, Guilherme Machado, Edcarlo Solera, Fernanda Cenovicz, Christian Arruda, Chiu Yun Yu Braga, Renato Nisihara,
ABSTRACT CONTEXT AND OBJECTIVE: Increased life expectancy among people with Down syndrome (DS) has introduced new environmental factors that may affect blood pressure (BP) and/or lead to obesity in this population. The aim here was to investigate BP levels and body mass index (BMI) in adults with DS, correlating these data with the patients' sex and age. DESIGN AND SETTING: Analytical cross-sectional observational study conducted in special schools in Curitiba (PR), Brazil. METHODS: 97 adult patients ...
Tópico(s): Diabetes and associated disorders
2016 - Medical Association of São Paulo | Sao Paulo Medical Journal
Produção Nacional
Revisado por pares
Uberlândio B. Severo, Edcarlos da Silva,
In this paper minimax methods in a suitable Orlicz space are employed to establish the existence of standing wave solutions for a class of quasilinear Schrödinger systems involving subcritical nonlinearities. The systems considered here can model an interaction phenomena in plasma physics.
Tópico(s): Nonlinear Differential Equations Analysis
2013 - Elsevier BV | Journal of Mathematical Analysis and Applications
Produção Nacional
Revisado por pares
José George Ferreira Medeiros, Aderson Costa Araújo Neto, Edcarlos Camilo da Silva, Min Fu Nascimento Huang, Luciana Cordeiro do Nascimento,
As sementes são eficientes meios de disseminação e transmissão de patógenos e, frequentemente, introduzem novos focos de infecção em áreas isentas. A utilização de extratos de plantas com propriedades antimicrobianas são alternativas ecológicas e promissoras para substituir a proteção promovida pela aplicação de fungicidas. Assim, objetivou-se avaliar o efeito dos extratos de alamanda (Allamanda blanchetti L.) e melão-de-são-caetano (Momordica charantia L.) sobre a micoflora e a germinação de sementes ...
Tópico(s): Agricultural and Food Sciences
2014 - UNIVERSIDADE FEDERAL DO PARANÁ | FLORESTA
Produção Nacional
Revisado por pares
Elidiane Emanueli Ficanha, Erisvan Vieira da Silva, Verginia Margareth Possatti Rocha, Márcio Rossato Badke, Silvana Bastos Cogo, Edcarlos Vasconcelos da Silva, Luciane Flores Jacobi,
O objetivo deste estudo foi o de conhecer os impactos biopsicossociais durante o isolamento social decorrente da pandemia do COVID-19. A pesquisa trata-se de uma revisão integrativa de literatura, realizada em abril de 2020, nas bases de dados da Biblioteca Virtual em Saúde (BVS) que incluiu a Literatura Latino-Americana em Ciências de Saúde (Lilacs) e Medical Literature Analysis and Retrieval System Online (Medline); Publisher Medline (PubMed) e biblioteca virtual Scientific Electronic Library Online ( ...
Tópico(s): COVID-19 Pandemic Impacts
2020 - Grupo de Pesquisa Metodologias em Ensino e Aprendizagem em Ciências | Research Society and Development
Produção Nacional
Revisado por pares
Giuliano Marchi, Edcarlos Miranda de Souza, Joel Augusto Muniz, Luiz Roberto Guimarães Guilherme,
The prediction of trace element availability to plants using chemical extractants is hard to achieve. For this reason, a successive extraction method which simulated a rhizosphere solution employing synthetic organic acids was previously proposed. The method was developed in order to access the long term potential availability of trace elements to plants. Data from successive zinc extractions with organic acid mixtures, as well as with routine extractants (Mehlich I, DTPA, and NH4OAc) adjusted to ...
Tópico(s): Agricultural Science and Fertilization
2010 - Editora da Universidade Estadual de Maringá (Eduem) | Acta Scientiarum. Technology/Acta scientiarum. Technology
Produção Nacional
Revisado por pares
Marcelo F. Furtado, Edcarlos D. Silva, Maxwell L. Silva,
Abstract We deal with the existence of nonzero solution for the quasilinear Schrödinger equation −Δu + V(x)u − Δ(u 2 )u = g(x, u), x ∈ ℝ N , u ∈ H 1 (ℝ N ), where V is a positive potential and the nonlinearity g(x, s) behaves like K 0 (x)s at the origin and like K ∞ (x)|s| p , 1 ≤ p ≤ 3, at infinity. In the proofs we apply minimization methods.
Tópico(s): Numerical methods in inverse problems
2014 - De Gruyter | Advanced Nonlinear Studies
Marcos L. M. Carvalho, Edcarlos D. Silva, C. Goulart,
<p style='text-indent:20px;'>It is established existence of ground and bound state solutions for Choquard equation considering concave-convex nonlinearities in the following form</p><p style='text-indent:20px;'><disp-formula> <label/> <tex-math id="FE1"> \begin{document}$ \begin{equation*} \begin{cases} -\Delta u +V(x) u = (I_\alpha* |u|^p)|u|^{p-2}u+ \lambda |u|^{q-2}u \, {\rm{\;in\;}}\, \mathbb{R}^N, \\ \ u\in H^1( \mathbb{R}^N) \end{cases} \end{equation*} $\end{document} </tex-math></disp- ...
Tópico(s): Advanced Mathematical Modeling in Engineering
2021 - American Institute of Mathematical Sciences | Communications on Pure &Applied Analysis
Produção Nacional
Revisado por pares
We establish existence and multiplicity of solutions for an elliptic system which presents resonance at infinity of Landesman‐Lazer type. In order to describe the resonance, we use an eigenvalue problem with indefinite weights. In all results, we use Variational Methods, Morse Theory and Critical Groups.
Tópico(s): Differential Equations and Numerical Methods
2010 - Hindawi Publishing Corporation | Abstract and Applied Analysis
Produção Nacional
Revisado por pares
Marcelo F. Furtado, Edcarlos D. Silva,
We present some sufficient conditions to obtain compactness properties for the Euler–Lagrange functional of an elliptic equation. As an application, we extend some existence and multiplicity results for superlinear problems.
Tópico(s): Nonlinear Partial Differential Equations
2015 - Cambridge University Press | Proceedings of the Royal Society of Edinburgh Section A Mathematics
Produção Nacional
Revisado por pares
Edcarlos D. Silva, Marcos L. M. Carvalho, Kaye Silva, J.V. Gonçalves,
In the paper the existence, uniqueness and the multiplicity of solutions for a quasilinear elliptic problems driven by the $\Phi$-Laplacian operator is established. Here we consider the non-reflexive case taking into account the Orlicz and Orlicz-Sobolev framework. The non-reflexive case occurs when the $N$-function $\widetilde{\Phi}$ does not verify the $\Delta_{2}$-condition. In order to prove our main results we employ variational methods, regularity results and truncation arguments.
Tópico(s): Differential Equations and Boundary Problems
2019 - Juliusz Schauder University Center for Nonlinear Studies | Topological Methods in Nonlinear Analysis
Neylan Leal Dias, Edcarlos Vasconcelos da Silva, Marcelo A. Pires, Daniel Chaves, Katsumi Letra Sanada, Amanda Alves Fecury, Cláudio Alberto Gellis de Mattos Dias, Euzébio de Oliveira, Carla Viana Dendasck, Simone Delphim Leal,
Este artigo apresenta uma análise da propagação do SARS-CoV-2 no Amapá através da utilização de três abordagens. Na primeira, partiu-se do modelo ICL para a pandemia aplicado ao Brasil para implementação de uma projeção comparada linear para a população amapaense. A segunda abordagem foi desenvolvida com a solução de curto prazo do modelo SIR padrão onde mostrou-se que o típico comportamento exponencial descreve satisfatoriamente os dados para as primeiras semanas da epidemia, mas logo após ocorrem ...
Tópico(s): COVID-19 and Mental Health
2020 - | Revista Científica Multidisciplinar Núcleo do Conhecimento
Produção Nacional
Revisado por pares
Jackson Silva Nóbrega, Ana Carolina Bezerra, João Everthon da Silva Ribeiro, Edcarlos Camilo da Silva, Toshik Iarley da Silva, Raimundo Nonato Moraes Costa, Antônio Veimar da Silva, Adriano Salviano Lopes, Thiago Jardelino Dias,
Basil is a medicinal and spice plant widely used in the Northeast region of Brazil. However, its production can be affected by the soil salinity and water used for irrigation. For the development of plants in saline conditions to occur, it is necessary that their nutritional status is adequate. Thus, the objective was to evaluate the effect of nitrogen fertilization on growth and gas exchange of purple basil submitted to salinity. The experiment was performed at the Federal University of Paraíba, ...
Tópico(s): Soil Management and Crop Yield
2021 - Taylor & Francis | Journal of Plant Nutrition
Produção Nacional
Edcarlos Pereira, Ediel Azevêdo Guerra,
Este artigo traz o relato de uma pesquisa realizada em uma escola pública do município de Marechal Deodoro/AL com alunos do Ensino Médio. Tendo como objetivo principal a criação, a execução e a análise de uma sequência didática de caráter interativo e dinâmico que propicie a aprendizagem dos conceitos fundamentais da trigonometria no ensino médio. As atividades da sequência criada incluem oito Applets (mini-aplicação) no software GeoGebra juntamente com oito atividades investigativas. Os resultados, ...
Tópico(s): Education and Digital Technologies
2016 - UNIVERSIDADE CRUZEIRO DO SUL | Revista de Ensino de Ciências e Matemática
Produção Nacional
Revisado por pares
Claudianor O. Alves, Edcarlos D. Silva, Marcos T. O. Pimenta,
The existence and multiplicity of solutions for a class of quasilinear elliptic problems are established for the type [Formula: see text] where [Formula: see text], [Formula: see text], is a smooth bounded domain. The nonlinear term [Formula: see text] is a continuous function which is superlinear at the origin and infinity. The function [Formula: see text] is an [Formula: see text]-function where the well-known [Formula: see text]-condition is not assumed. Then the Orlicz–Sobolev space [Formula: see text] ...
Tópico(s): Differential Equations and Boundary Problems
2019 - World Scientific | Analysis and Applications
Produção Nacional
Revisado por pares
J.V. Gonçalves, Edcarlos D. Silva, Maxwell L. Silva,
Tópico(s): Differential Equations and Numerical Methods
2011 - Elsevier BV | Journal of Mathematical Analysis and Applications
Produção Nacional
Revisado por pares
Edcarlos Domingos da Silva, Bruno Ribeiro,
Abstract In this work we establish existence and multiplicity of solutions for resonant-superlinear elliptic problems using appropriate variational methods. The nonlinearity is resonant at −∞ and superlinear at +∞ and the resonance phenomena occurs precisely in the first eigenvalue of the corresponding linear problem. Our main theorems are stated without the well known Ambrosetti-Rabinowitz condition.
Tópico(s): Differential Equations and Numerical Methods
2015 - De Gruyter | Advanced Nonlinear Studies
Produção Nacional
Revisado por pares
Bianca de Oliveira Schumacher, Edcarlos Maurino Preuss, Carolina Galarza Vargas, Elizabete Helbig,
ABSTRACT: This study aimed to evaluate the influence of replacing soybean oil with extra virgin coconut oil in normolipidic and hyperlipidic diets, on the lipid metabolism of Wistar rats. In the first stage of the experiment (30 days), 36 rats were divided into 2 groups and fed with a control or a hyperlipidic diet. Six animals from each group were then killed, and the remaining rats were redistributed into 4 new groups: 2 groups remained on the control and hyperlipidic diets, and in the diets of ...
Tópico(s): Diet and metabolism studies
2016 - UNIVERSIDADE FEDERAL DE SANTA MARIA | Ciência Rural
Edcarlos D. Silva, José Carlos de Albuquerque, Uberlândio B. Severo,
In this work we study the existence of positive solutions for the following class of coupled elliptic systems involving nonlinear Schrödinger equations \begin{document}$\left\{ \begin{array}{l}-\Delta u+V_{1}(x)u = f_{1}(u)+\lambda(x)v, & x\in\mathbb{R}^{N},\\-\Delta v+V_{2}(x)v = f_{2}(v)+\lambda(x)u, & x\in\mathbb{R}^{N}, \end{array} \right.$\end{document} where $ N\geq 3 $ and the nonlinearities $ f_{1} $ and $ f_{2} $ are asymptotically linear at infinity. The potentials $ V_{1}(x) $ and $ V_{2}(x) $ are continuous functions ...
Tópico(s): Advanced Mathematical Physics Problems
2019 - American Institute of Mathematical Sciences | Communications on Pure &Applied Analysis