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Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Jeferson Luíz Dallabona Dombroski, Renato Paiva, João Mauricio Cavalcante Alves, Breno Régis Santos, Raírys Cravo Nogueira, Patrícia Duarte de Oliveira Paiva, Sandro Barbosa,

O pequizeiro é uma frutífera nativa dos cerrados brasileiros com grande potencial econômico. Neste trabalho, objetivouse avaliar o efeito de substâncias potencialmente estimuladoras da germinação. As sementes foram extraídas dos caroços e colocadas para germinar em rolos de papel embebidos com as seguintes soluções: água destilada (Controle); 2mmol L-1 KNO3 (Nitrato); 2mmol L-1 Etephon (ET); 1mmol L-1 GA3 (GA); 1mmol L-1 GA3 + 2mmol L-1 Etephon (GA + ET). Os resultados de percentagem de germinação e o tempo ...

Tópico(s): Weed Control and Herbicide Applications

2010 - UNIVERSIDADE FEDERAL DE LAVRAS | CERNE

Artigo Brasil Produção Nacional Revisado por pares

Pedro Tupã Pandava Aum, Yanne Katiussy Pereira Gurgel Aum, Edson de Andrade Araújo, Luyara de Almeida Cavalcante, Daniel Nobre Nunes da Silva, Cláudio Regis Dos Santos Lucas, Tereza Neuma de Castro Dantas,

This work investigates the stability of oil-in-water microemulsions prepared with nonionic surfactants under acid conditions and their interaction with a carbonate formation. The microemulsions were prepared with different acid concentrations. Measures of droplet size diameter, rheology, and surface tensions were performed. To evaluate the dynamic spreading behavior of the acid microemulsion on the carbonate rock surface, the contact angle of the acid systems was measured in time. Our results demonstrate ...

Tópico(s): Petroleum Processing and Analysis

2021 - Elsevier BV | Fuel

Artigo Revisado por pares

Pâmela Letícia dos Santos, Thallita Pereira Queiroz, Rogério Margonar, Abrahão Cavalcante Gomes de Souza Carvalho, Walter Betoni, Regis Rocha Rodrigues Rezende, Paulo Henrique dos Santos, Idelmo Rangel Garcia Júnior,

This study evaluated and compared bone heating, drill deformation, and drill roughness after several implant osteotomies in the guided surgery technique and the classic drilling procedure.The tibias of 20 rabbits were used. The animals were divided into a guided surgery group (GG) and a control group (CG); subgroups were then designated (G0, G1, G2, G3, and G4, corresponding to drills used 0, 10, 20, 30 and 40 times, respectively). Each animal received 10 sequential osteotomies (5 in each tibia) with ...

Tópico(s): Orthopaedic implants and arthroplasty

2014 - Quintessence Publishing Company | The International Journal of Oral & Maxillofacial Implants

Revisão Brasil Produção Nacional Revisado por pares

Matheus Martins Cavalcante, Cláudio Régis Sampaio Silveira, Cristiane Rocha da Costa, Daniel Gurgel Fernandes Távora, Carlos Henrique Maia Ferreira Alencar, Manuel Joaquim Diógenes Teixeira, Avneesh Chhabra,

Bone tumors and tumor-like lesions (pseudotumors) are not uncommonly encountered as asymptomatic findings on imaging, or as symptomatic lesions clinically. Radiographic imaging is the first diagnostic tool for their management strategy, since the symptoms are commonly non-specific, such as pain, swelling, and redness. Image findings must be analyzed with attention to the specific features such as lesion location, margination, zone of transition, mineralization, size and multifocality, soft tissue ...

Tópico(s): Musculoskeletal synovial abnormalities and treatments

2021 - Elsevier BV | The Foot

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Régis Pamponet da Fonseca, Janaíde Cavalcante Rocha, Malik Cheriaf,

The addition of natural fibers used as reinforcement has great appeal in the construction materials industry since natural fibers are cheaper, biodegradable, and easily available. In this work, we analyzed the feasibility of using the fibers of piassava, tucum palm, razor grass, and jute from the Amazon rainforest as reinforcement in mortars, exploiting the mechanical properties of compressive and flexural strength of samples with 1.5%, 3.0%, and 4.5% mass addition of the composite binder (50% Portland ...

Tópico(s): Innovations in Concrete and Construction Materials

2020 - Multidisciplinary Digital Publishing Institute | Materials

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Carlos Henrique Maia Ferreira Alencar, Cláudio Régis Sampaio Silveira, Matheus Martins Cavalcante, Clarissa Gadelha Maia Vieira, Manoel Joaquim Diógenes Teixeira, Francisco Andrade Neto, Armando Abreu, Avneesh Chhabra,

Periosteum is a fibrous sheath, coating the external bone, except in the articular surfaces, tendon insertions and sesamoid bone surface¹. It changes its aspects and characteristics with aging, becoming progressively less elastic and more firm. It is composed of two different layers: outer fibrous (firm, collagen-filled) and inner proliferative (cambium, containing osteoprogenitor cells)². Four vascular systems are responsible for the blood supply of the periosteum: the intrinsic periosteal system, ...

Tópico(s): Orthopedic Infections and Treatments

2020 - Elsevier BV | European Journal of Radiology Open

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Everardo Albuquerque Menezes, Kélvia Miranda Sá, Francisco Afrânio Cunha, Maria Rozellê Ferreira Ângelo, Inácio Régis Nascimento Oliveira, Maria Núbia Cavalcante Salviano,

INTRODUÇAO: As infecções hospitalares, hoje, são motivo de grande preocupação no âmbito hospitalar, principalmente nas unidades de terapia intensiva (UTIs), nas quais encontramos uma associação de fatores propícios ao surgimento de infecções. Objetivos: Verificar a freqüência e o perfil de suscetibilidade aos antimicrobianos das bactérias isoladas de pacientes da UTI do Hospital Geral de Fortaleza (HGF). MATERIAL E MÉTODOS: As bactérias foram isoladas em meio de cultura e a identificação e o teste ...

Tópico(s): Nosocomial Infections in ICU

2007 - Sociedade Brasileira de Patologia Clínica | Jornal Brasileiro de Patologia e Medicina Laboratorial

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

José Nilson Oliveira Filho, Manoel Januário da Silva Júnior, José Francismar de Medeiros, Régis Cavalcante Vieira,

ABSTRACT The use of fertigation as a means of supplying the nutritional needs of crops is a technique widely used among producers. However, it is necessary to improve this technique due, mainly, to the risks of contamination of natural resources. Thus, the objective was to study the productivity and leaf contents of melon nutrients and soil fertility, which presents a high concentration of potassium, when fertigated with doses of nitrogen and potassium in the irrigation water. Five treatments were ...

Tópico(s): Banana Cultivation and Research

2020 - UNIVERSIDADE FEDERAL DE CAMPINA GRANDE | Revista Brasileira de Engenharia Agrícola e Ambiental

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Júlio César Nogueira Torres, Everardo Albuquerque Menezes, Maria Rozellê Ferreira Ângelo, Inácio Régis Nascimento Oliveira, Maria Núbia Cavalcante Salviano, Danilo Elias Xavier, Lauro Santos Filho,

Pseudomonas sp. é um bacilo gram-negativo ubíquo de vida livre e freqüente em ambientes hospitalares. Bactérias produtoras de metalo-betalactamases (MBLs) são em grande parte resistentes aos betalactâmicos de largo espectro, incluindo cefalosporinas e carbapenens. Este trabalho objetivou detectar cepas de Pseudomonas spp. resistentes ao imipenem e à ceftazidima, assim como identificar aquelas produtoras de MBLs. Foram estudadas (entre junho de 2002 e junho de 2003) 311 cepas isoladas de diversas amostras ...

Tópico(s): Antibiotics Pharmacokinetics and Efficacy

2006 - Sociedade Brasileira de Patologia Clínica | Jornal Brasileiro de Patologia e Medicina Laboratorial

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Michele Paulino Carneiro Moreira, Mairton Cavalcante Romeu, Francisco Régis Vieira Alves, Francisco Roberto Oliveira da Silva,

Este trabalho apresenta uma revisão da literatura sobre o uso do Arduino no ensino de Física, realizada através da consulta a artigos publicados nas principais revistas de ensino de Ciências do Brasil. A pesquisa concentrou-se nas contribuições do uso do Arduino direcionados ao ensino de Física e resultou numa amostra de 20 artigos. Os trabalhos consultados foram classificados em duas categorias: propostas didáticas testadas em sala de aula, e propostas didáticas para aplicação em sala de aula. ...

Tópico(s): Education during COVID-19 pandemic

2018 - UNIVERSIDADE FEDERAL DE SANTA CATARINA | Caderno Brasileiro de Ensino de Física

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Vânia M. S. Cavalcante, Lêda Regis,

Reproductive performance including mating, semen transfer, egg production and hatching rate were investigated in pairs of Panstrongylus megistus in wich the male was treated with either precocene II or ethoxyprecocene II, topically applied shortly after imaginal molt. Eighty percent of the males were not able to mate for a period as long as 40 days after treatment. Those males wich did mate (20%) produced small spermatophores; a few (10%) were unable to transfer spermatozoa to female, while the others ( ...

Tópico(s): Insect-Plant Interactions and Control

1992 - Instituto Oswaldo Cruz, Ministério da Saúde | Memórias do Instituto Oswaldo Cruz

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

A K R Mendonça, Luana Pinheiro Guerra Fontoura, Thaynara Domingos da ROCHA, Rocharles Cavalcante Fontenele, Tereza Nicolle Burgos Nunes, Rômulo Rocha Regis, Lívia Maria Sales Pinto Fiamengui,

This study aimed to evaluate and compare pain intensity and Oral Health-related Quality of Life (OHRQoL) in women with temporomandibular disorder (TMD) before (T1) and during (T2) COVID-19 pandemic.Sample was composed of forty-one female participants with painful TMD, who presented for TMD treatment. Subjects were asked to indicate their pain intensity and to answer the Oral Health Impact Profile-14 (OHIP-14). Participants data were collected twice: T1 (evaluation of medical records fulfilled before COVID- ...

Tópico(s): Fibromyalgia and Chronic Fatigue Syndrome Research

2022 - Dental Press Editora | Dental Press Journal of Orthodontics

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Sabynne Christina Silva Regis, Lívia Ribeiro Mendonça, Nairléia dos Santos Silva, Vitor Camilo Cavalcante Dattoli, Neuza Maria Alcântara‐Neves, Stella Maria Barrouin‐Melo,

Toxocara canis is a highly prevalent worldwide canine nematode responsible for enzootic and zoonotic infections. It is considered to be one of the main agents of human visceral and ocular larva migrans. False negative diagnosis may occur because adult infected dogs with "dormant" larvae may have negative fecal test results since they usually do not shed parasite eggs in their stools. During pregnancy, the larvae become active and infect the offspring through the placenta. A serological test can distinguish ...

Tópico(s): Parasites and Host Interactions

2011 - Elsevier BV | Acta Tropica

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Daian Miranda Ferreira, Régis Otaviano França Bezerra, Cinthia D. Ortega, Roberto Blasbalg, Públio César Cavalcante Viana, Marcos Roberto de Menezes, Manoel de Souza Rocha,

Magnetic resonance imaging is a method with high contrast resolution widely used in the assessment of pelvic gynecological diseases. However, the potential of such method to diagnose vaginal lesions is still underestimated, probably due to the scarce literature approaching the theme, the poor familiarity of radiologists with vaginal diseases, some of them relatively rare, and to the many peculiarities involved in the assessment of the vagina. Thus, the authors illustrate the role of magnetic resonance ...

Tópico(s): Urinary and Genital Oncology Studies

2015 - Colégio Brasileiro de Radiologia e Diagnóstico por Imagem | Radiologia Brasileira

Artigo Brasil Produção Nacional Revisado por pares

Francisco José Borges dos Santos, Dinara Jaqueline Moura, Valéria Flores Péres, Angelo Regis de Moura Sperotto, Elina Bastos Caramão, Ana Amélia de Carvalho Melo Cavalcante, Jenifer Saffi,

Bauhinia platypetala Burch. is a traditionally used Brazilian medicinal plant, although no evidence in the literature substantiates the safety of its use. The aim of this study was to investigate the safety of the ethanolic extract and the ethereal fraction of B. platypetala leaves. The identification of chemical compounds from the B. platypetala ethanolic extract and its ethereal fraction was performed by GC/MS and ESI-MS/MS. The plant’s toxicological, cytotoxic, mutagenic and genotoxic properties ...

Tópico(s): Carcinogens and Genotoxicity Assessment

2012 - Elsevier BV | Journal of Ethnopharmacology

Artigo Brasil Produção Nacional Revisado por pares

Romualdo Medeiros Cortez Costa, Leílson Costa Grangeiro, Arthur Bernardes Cecílio Filho, Núbia Marisa Ferreira, Laíza Gomes de Paiva, Régis Cavalcante Vieira,

Boron (B) is a micronutrient that plays a role in the growth and development of plants. In beetroot (Beta vulgaris L.), B allows increased yield and accumulation of dry mass. This work aimed to evaluate the agronomic performance of beetroot fertigated with B in the municipality of Mossoró, RN. To this end, two field experiments were conducted in Mossoró, RN, Brazil, designed in complete randomized blocks. Five doses of B (0, 1.0, 2.0, 3.0, and 4.0 kg ha−1 of B) were tested, with four replications. ...

Tópico(s): Plant Growth Enhancement Techniques

2024 - Taylor & Francis | Journal of Plant Nutrition

Artigo Acesso aberto Brasil Produção Nacional

Rafaella Cavalcante Regis, Cândido Jorge de Sousa Lobo, Ricardo Emílio Ferreira Quevedo Nogueira, Yara Amorim de Figueiredo, Halisson de Souza Pinheiro,

Este trabalho analisou as propriedades físicas e mecânicas de peças sinterizadas de rejeito do granito Corumbá, oriundo da indústria de rochas ornamentais, produzidas em diferentes cargas de compactação e patamares de sinterização. Os resíduos foram caracterizados por difração de raios X e fluorescência de raios X. Os corpos de prova foram compactados a 20, 40, 60 e 80 kN e sinterizados nas temperaturas de 1130, 1140, 1150 e 1200 °C. As amostras sinterizadas a 1140 °C apresentaram ...

Tópico(s): Recycling and utilization of industrial and municipal waste in materials production

2022 - | Cerâmica Industrial

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Anna Caroline Nobre Gomes, Cláudio Régis Sampaio Silveira, Roberto Paiva, Antônio Gilson Monte Aragão, José Roberto Cavalcante Castro,

Os autores relatam um caso de condrossarcoma em uma paciente de 14 anos portadora de osteocondromatose múltipla, que procurou assistência médica com a queixa de tumoração na coxa esquerda. Cortes tomográficos do membro afetado evidenciaram lesão osteodestrutiva no terço superior do fêmur esquerdo. O diagnóstico foi feito através da revisão da lâmina do serviço de origem da paciente, confirmando o achado de condrossarcoma grau I em lesão condromatosa. Foi realizada desarticulação do colo femoral ...

Tópico(s): Total Knee Arthroplasty Outcomes

2006 - Colégio Brasileiro de Radiologia e Diagnóstico por Imagem | Radiologia Brasileira

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Régis Pamponet da Fonseca, Janaíde Cavalcante Rocha, Malik Cheriaf,

This study aimed to evaluate the physical, chemical, and mechanical properties of different Amazonian vegetable fibers to produce cementitious mortars reinforced with different types of vegetable fibers from the Amazon. Also, to analyze the influence of different types of chemical and physical treatments, on the direct tensile strength of vegetable fibers, water absorption of vegetable fibers and on the mechanical properties of compressive strength, flexural strength, and water absorption of mortars. ...

Tópico(s): Innovations in Concrete and Construction Materials

2021 - Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímer | Materials Research

Artigo Brasil Produção Nacional Revisado por pares

José Miguel Reichert, Miriam Fernanda Rodrigues, Jhon Jairo Zuluaga Peláez, Régis Lanza, Jean Paolo Gomes Minella, Jeffrey G. Arnold, Rosane Barbosa Lopes Cavalcante,

Rangelands of the Pampa biome, which cover regions of Argentina, Uruguay and Brazil (176,496 km2 – 2.07% of Brazilian territory and 63% of Rio Grande do Sul State territory, southern region of Brazil) in South America (total area of 750,000 km2), are being substituted by crops and commercial eucalyptus, with potential impacts on ecological and hydrological response of watersheds and river basins. We evaluated the influence of vegetation cover on hydrological processes by describing the water balance ...

Tópico(s): Plant Water Relations and Carbon Dynamics

2017 - Elsevier BV | Agricultural and Forest Meteorology

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Ana Cristina Brito, Márcio Cavalcante Vila-Nova, Deisy Alécia Martins Rocha, Lidiana Gomes Costa, Wendell Alexandre Pinheiro de Almeida, Luciana da Silva Viana, Ricardo Ramalho Lopes, Gilberto Fontes, Eliana Maria Maurício da Rocha, Lêda Regis,

This article discusses new uses of interpretative repertoires of risk, especially those related to adventure.The author argues that the language of risk as adventure has multiple uses, as both a hedge against de-traditionalizing processes typical of late modernity and a figure of speech for new sensitivities stemming from the imperative of coping with the imponderability and volatility of modern risks.The article begins with an overview of the historical meanings of risk, seeking to argue that, ...

Tópico(s): Parasite Biology and Host Interactions

2001 - Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz | Cadernos de Saúde Pública

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Ana Cristina Brito, Márcio Cavalcante Vila-Nova, Deisy Alécia Martins Rocha, Lidiana Gomes Costa, Wendell Alexandre Pinheiro de Almeida, Luciana da Silva Viana, Ricardo Ramalho Lopes, Gilberto Fontes, Eliana Maria Maurício da Rocha, Lêda Regis,

Epidemiological literature on occupational accidents among rural workers is scarce in Brazil. This population-based cross-sectional study was designed to investigate the characteristics of farming accidents occurring in the rural area of Pelotas, Southern Brazil. A multi-stage sampling scheme was used to select a representative sample of farms. From January to April 1996, a total of 258 rural families were visited, and all 580 rural workers identified in these families answered a standardized questionnaire. ...

Tópico(s): Helminth infection and control

2001 - Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz | Cadernos de Saúde Pública

Capítulo de livro Brasil Produção Nacional

Ticiana L. Coelho da Silva, Antonio Cavalcante Araujo Neto, Régis Pires Magalhães, Victor A. E. Farias, José Antônio Fernandes de Macêdo, Javam C. Machado,

Clustering is a major data mining technique that groups a set of objects in such a way that objects in the same group are more similar to each other than to those in other groups. Among several types of clustering, density-based clustering algorithms are more efficient in detecting clusters with varied density and different shapes. One of the most important density-based clustering algorithms is DBSCAN. Due to the huge size of generated data by the widespread diffusion of wireless technologies and ...

Tópico(s): Cloud Computing and Resource Management

2015 - Springer Science+Business Media | Lecture notes in business information processing

Artigo Acesso aberto Brasil Produção Nacional

Gil Facina, Francisco Pimentel Cavalcante, Régis Resende Paulinelli, René Aloísio da Costa Vieira,

Plagiarism in scientific publications is a topic of fundamental importance and rarely addressed in the literature. It is associated with ethical issues that go beyond research itself, a fact that values the discussion on the topic. The concept, the main types of plagiarism, ethical relationships, preventive methodologies aiming to minimize their occurrence, diagnostic methodologies, and potential penalties involved are discussed. Every researcher and team involved in publishing articles should be ...

Tópico(s): Artificial Intelligence in Healthcare and Education

2020 - Brazilian Society of Mastology | Mastology

Artigo Acesso aberto Brasil Produção Nacional

Gerson dos Santos Lisboa, Qohélet José Ianiski Veres, Luciano Farinha Watzlawick, Luciano Cavalcante de Jesus França, Clebson Lima Cerqueira, Dirceu Lúcio Carneiro de Miranda, Thiago Floriani Stepka, Régis Villanova Longhi,

Pretendeu-se com este estudo caracterizar a estrutura, florística e avaliar a dinâmica de um fragmento da formação Floresta Estacional Semidecidual, em São José das Palmeiras, PR. Os dados são oriundos de um inventário florestal contínuo, com área de 5000 m², dividida em 50 subunidades de 10 x 10 m (100 m²). Incluiu-se na coleta dos dados todas as árvores com diâmetro a altura do peito superiores a 5 cm. Foram registrados 787 indivíduos arbóreos, distribuídos em 32 famílias, 54 gêneros, e 61 espécies, ...

Tópico(s): Growth and nutrition in plants

2019 - UNIVERSIDADE FEDERAL DE MATO GROSSO | Nativa

Artigo Revisado por pares

Dorisdaia Carvalho de Humerez, Maria de Belém Gomes Cavalcante, Fátima Regis Guimarães Cordone,

RESUMO: A assistencia psiquiatrica representa para o enfermeiro um grande desafio: por um lado a manutencao do cuidado ligado ao disciplinamento e a vigilância.- por outro lado a busca de alternativas que determinem acoes co-participativas entre equipe e paciente. Este estudo, tem como objetivo apresentar a experiencia de enfermagem psiquiatrica em unidade de internacao em hospital geral que visa a insercao do paciente como co-participante na gestao do cotidiano da enfermaria. A tecnica usada foi ...

Tópico(s): Youth, Drugs, and Violence

2000 - UNIVERSIDADE FEDERAL DE SÃO PAULO | Acta Paulista de Enfermagem

Artigo Brasil Produção Nacional Revisado por pares

Gabriela Lopes Gama, Janiele Sales Tavares, Ana Stela Salvino de Brito, Thamyris de Sales Regis, Hannah Cavalcante Guedes Pinheiro, Mariana Balbino da Silva, J.S. Tavares, Adriana Suely de Oliveira Melo,

To use the International Classification of Functioning, Disability and Health (ICF) to investigate whether children with congenital Zika Syndrome (CZS) show changes in their functioning and disability profile after nine months. This study included children with CZS recruited from a support centre for children with microcephaly in Brazil. The children's functional abilities and limitations were classified using ICF Core Set for children with cerebral palsy. Each ICF category was quantified in two moments ...

Tópico(s): Neonatal and fetal brain pathology

2023 - Taylor & Francis | Early Child Development and Care

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Sarah J. Berkemer, Ricardo Régis Cavalcante Chaves, Adrian Fritz, Marc Hellmuth, Maribel Hernández-Rosales, Peter F. Stadler,

Spiders are arthropods that can be distinguished from their closest relatives, the insects, by counting their legs. Spiders have eight, insects just six. Spider graphs are a very restricted class of graphs that naturally appear in the context of cograph editing. The vertex set of a spider (or its complement) is naturally partitioned into a clique (the body), an independent set (the legs), and a rest (serving as the head). Here we show that spiders can be recognized directly from their degree sequences ...

Tópico(s): Algorithms and Data Compression

2015 - Birkhäuser | Mathematics in Computer Science