Henrique G. Rosa, Yi Wei Ho, Ivan Verzhbitskiy, Manuel J. F. L. Rodrigues, Takashi Taniguchi, Kenji Watanabe, Goki Eda, Vitor M. Pereira, José Viana‐Gomes,
We report the first detailed characterization of the sheet third-harmonic optical susceptibility, χ(3)s, of tungsten diselenide (WSe2). With a home-built multiphoton microscope setup developed to study harmonics generation, we map the second and third-harmonic intensities as a function of position in the sample, pump power and polarization angle, for single- and few-layers flakes of WSe2. We register a value of |χ(3)s| ≈ 0.9 × 10-28 m3 V-2 at a fundamental excitation frequency of ℏω = 0.8 eV, which is comparable ...
Tópico(s): Chalcogenide Semiconductor Thin Films
2018 - Nature Portfolio | Scientific Reports
Produção Nacional
Revisado por pares
Isabela Reis Montella, Ademir Jesus Martins, Priscila Fernandes Viana-Medeiros, José Bento Pereira Lima, Ima Aparecida Braga, Denise Valle,
In Brazil, Aedes aegypti resistance to temephos, used since 1967, was detected in several municipalities in 2000. Organophosphates were substituted by pyrethroids against adults and, in some localities, by Bti against larvae. However, high temephos resistance ratios were still detected between 2001 and 2004. Field-simulated assays confirmed a low temephos residual effect. Acethylcholinesterase and Mixed Function Oxidase profiles were not altered. In contrast, higher Esterase activity, studied with ...
Tópico(s): Mosquito-borne diseases and control
2007 - American Society of Tropical Medicine and Hygiene | American Journal of Tropical Medicine and Hygiene
Produção Nacional
Revisado por pares
Denise Valle, Diogo Fernandes Bellinato, Priscila Fernandes Viana-Medeiros, José Bento Pereira Lima, Ademir Jesus Martins,
Aedes aegypti populations in Brazil have been subjected to insecticide selection pressures with variable levels and sources since 1967. Therefore, the Brazilian Ministry of Health (MoH) coordinated the activities of an Ae. aegypti insecticide resistance monitoring network (MoReNAa) from 1999 to 2012.The objective of this study was to consolidate all information available from between 1985 and 2017 regarding the resistance status and mechanisms of Brazilian Ae. aegypti populations against the main ...
Tópico(s): Insect Pest Control Strategies
2019 - Instituto Oswaldo Cruz, Ministério da Saúde | Memórias do Instituto Oswaldo Cruz
Produção Nacional
Revisado por pares
Marcelo Viana da Costa, Maria José Pereira Vilar, George Dantas de Azevedo, Scott Reeves,
Interprofessional education (IPE) is an important issue to insert in the debate on the reform of the education of health professions in Brazil. This paper provides details on an emerging study, based in Brazil, whose aim is to explore the use of IPE as a strategy to reform health professional education to become more collaborative in nature. The study has adopted a sequential mixed-methods approach, and will conduct focus groups, individual interviews and surveys with students, teachers and administrators ...
Tópico(s): Health, Nursing, Elderly Care
2014 - Taylor & Francis | Journal of Interprofessional Care
Produção Nacional
Revisado por pares
Hélcio Duarte Pereira, José Marcelo Soriano Viana, Andréa Carla Bastos Andrade, Fabiano Ferreira da Silva, Geísa Pinheiro Paes,
Tópico(s): Genetic Associations and Epidemiology
2017 - Springer Nature | Journal of Applied Genetics
Produção Nacional
Revisado por pares
L.F. Pacheco-Moreira, Marcelo Enne, E. Balbi, Márcia Halpern, Aline dos Santos Peixoto, Alexandre Cerqueira, Eliane Moreira, Cristina Carvalho Viana de Araújo, João Luiz Pereira, José Manoel Martinho,
The selection of donors for living donor liver transplantation (LDLT) is one of the most important features in this kind of surgery. The aim of this study is to describe our initial experience in the donor evaluation process. From December 2001 to January 2005, 104 donors were evaluated for 70 recipients (65 potential donors were evaluated for 39 adult recipients, and 39 donors for 31 pediatric recipients). Only 30 donors were able to donate: 13 for the adult group, and 17 for the pediatric one. In ...
Tópico(s): Liver Disease and Transplantation
2006 - Wiley | Pediatric Transplantation
Produção Nacional
Revisado por pares
Rui Batısta, Adriana Cruvinel‐Carloni, João Vinagre, Joana Peixoto, Telmo Catarino, Nathália C. Campanella, Weder Pereira de Menezes, Aline Paixão Becker, Gisele Caravina de Almeida, Marcus Matsushita, Carlos Clara, Luciano Neder, Marta Viana‐Pereira, Mrinalini Honavar, Lígia Castro, José Manuel Lopes, Bruno Carvalho, Ruí Vaz, Valdemar Máximo, Paula Soares, Manuel Sobrinho‐Simões, Rui Manuel Reis, Jorge Lima,
Human hotspot TERT promoter (TERTp) mutations have been reported in a wide range of tumours. Several studies have shown that TERTp mutations are associated with clinicopathological features; in some instances, TERTp mutations were considered as biomarkers of poor prognosis. The rs2853669 SNP, located in the TERT promoter region, was reported to modulate the increased TERT expression levels induced by the recurrent somatic mutations. In this study we aimed to determine the frequency and prognostic ...
Tópico(s): Chromatin Remodeling and Cancer
2016 - Wiley | International Journal of Cancer
Carlos Fabiano Munir Gomes, Ronaldo José Pereira, Josiane Viana Cardoso, Daniel Augusto da Silva,
Objetivo: identificar a ocorrência de transtornos mentais comuns em estudantes de uma instituição de Ensino Superior e associar com as características sociodemográficas e acadêmicas. Método: trata-se de uma pesquisa exploratória, descritiva e de abordagem quantitativa, de levantamento, realizada com 378 estudantes universitários de uma instituição do interior paulista, com a aplicação de questionário semiestruturado e do Self-Reporting Questionnaire. Os dados foram analisados com o uso de análise ...
Tópico(s): Youth, Drugs, and Violence
2020 - | SMAD Revista Eletrônica Saúde Mental Álcool e Drogas (Edição em Português)
Produção Nacional
Revisado por pares
Leonardo Custódio de Lima, Ítallo Emídio Lira Viana, Sara Laís Pereira da Paz, Sávio José Cardoso Bezerra, Samira Helena Niemeyer, Thiago Saads Carvalho, Taís Scaramucci,
To analyze the impact of desensitizing (D) and/or whitening (W) dentifrices on erosion and erosion-abrasion.Enamel specimens were allocated into 10 groups (n = 20): 1. Artificial saliva (control); 2. Sensodyne Repair&Protect (SRP-D); 3. Sensodyne Repair&Protect Whitening (SRP-W); 4. Colgate Sensitive Pro-Relief (CSPR-D); 5. Colgate Sensitive Pro-Relief Real White (CSPRR-W); 6. Colgate Total 12 (CT); 7. Colgate Total 12 Professional Whitening (CTP-W); 8. Sensodyne True White (ST-W); 9. Curaprox Black is White ( ...
Tópico(s): Temporomandibular Joint Disorders
2020 - Elsevier BV | Journal of Dentistry
Produção Nacional
Revisado por pares
Fernando Nobre, Fause Chauchar, Jaciara Machado Viana, Gustavo José Veras Pereira, Nereida Kilza da Costa Lima,
OBJECTIVE: To evaluate the characteristics of the patients receiving medical care in the Ambulatory of Hypertension of the Emergency Department, Division of Cardiology, and in the Emergency Unit of the Clinical Hospital of the Ribeirão Preto Medical School. METHODS: Using a protocol, we compared the care of the same hypertensive patients in on different occasions in the 2 different places. The characteristics of 62 patients, 29 men with a mean age of 57 years, were analyzed between January 1996 ...
Tópico(s): Blood Pressure and Hypertension Studies
2002 - Sociedade Brasileira de Cardiologia (SBC) | Arquivos Brasileiros de Cardiologia
Produção Nacional
Revisado por pares
Rosângela Estel Ziech, Ana Paula Perin, Camila Lampugnani, Mallú Jagnow Sereno, Cibeli Viana, Vanessa Mendonça Soares, Juliano Gonçalves Pereira, José Paes de Almeida Nogueira Pinto, Luciano dos Santos Bersot,
The aims of this study were to analyze the biofilm-producing ability of 98 strains isolated from different surface materials in poultry cutting rooms; to assess the presence of the most important to Salmonella biofilm formation genes adrA and csgD in these strains; and to evaluate the tolerance biofilms formed in polypropylene and polyurethane slides to sanitizers commonly used in the industry. Viable cells were removed from the slides soon after treatment with sanitizers, and then submitted to ...
Tópico(s): Microplastics and Plastic Pollution
2015 - Elsevier BV | LWT
José Viana‐Gomes, Vitor M. Pereira, N. M. R. Peres,
We study the magnetization of square and hexagonal graphene dots. It is shown that two classes of hexagonal dots have a second-order phase transition at a critical Hubbard energy $U$, whose value is similar to the one in bulk graphene, albeit the dots do not have a density of states proportional to the absolute value of the energy, relatively to the Dirac point. Furthermore, we show that a particular class of hexagonal dots, having zigzag edges, does not exhibit zero-energy edge states. We also study ...
Tópico(s): 2D Materials and Applications
2009 - American Physical Society | Physical Review B
Ãlvaro Dias, José Viana, Leandro Pereira,
This paper identifies and ranks the factors that hinder the implementation of sustainable tourism in a developing destination. It uses a Delphi method combined with Q-Sort technique with three rounds of ranking by experts and analyzes the results with the Kendall's W test. It finds that the experts agreed on the most and least important factors, such as the lack of long-term vision, the lack of clear definitions, the lack of integration into government policy, the excessive bureaucracy and the economic ...
Tópico(s): Environmental Education and Sustainability
2024 - Taylor & Francis | Journal of Policy Research in Tourism Leisure and Events
Produção Nacional
Revisado por pares
Alessandro Alves‐Pereira, Maria Imaculada Zucchi, Charles R. Clément, João Paulo Gomes Viana, José Baldin Pinheiro, Elizabeth Ann Veasey, Anete Pereira de Souza,
Abstract Knowledge about genetic diversity is essential to promote effective use and conservation of crops, because it enables farmers to adapt their crops to specific needs and is the raw material for breeding. Manioc ( Manihot esculenta ssp. esculenta ) is one of the world’s major food crops and has the potential to help achieve food security in the context of on-going climate changes. We evaluated single nucleotide polymorphisms in traditional Brazilian manioc varieties conserved in the gene bank ...
Tópico(s): Cocoa and Sweet Potato Agronomy
2022 - Nature Portfolio | Scientific Reports
Produção Nacional
Revisado por pares
Nuccia N.T. De Cicco, Miria G. Pereira, José R. Corrêa, Valter Viana Andrade-Neto, Felipe Saraiva, Alessandra Catarina Chagas-Lima, Kátia C. Gondim, Eduardo Caio Torres-Santos, Evelize Folly, Elvira M. Saraiva, Narcisa L. Cunha‐e‐Silva, Maurílio José Soares, Geórgia C. Atella,
Leishmania amazonensis lacks a de novo mechanism for cholesterol synthesis and therefore must scavenge this lipid from the host environment. In this study we show that the L. amazonensis takes up and metabolizes human LDL1 particles in both a time and dose-dependent manner. This mechanism implies the presence of a true LDL receptor because the uptake is blocked by both low temperature and by the excess of non-labelled LDL. This receptor is probably associated with specific microdomains in the membrane ...
Tópico(s): Pancreatitis Pathology and Treatment
2012 - Elsevier BV | Experimental Parasitology
Produção Nacional
Revisado por pares
Andréa Carla Bastos Andrade, José Marcelo Soriano Viana, Hélcio Duarte Pereira, Vitor Batista Pinto, Fabiano Ferreira da Silva,
Linkage disequilibrium (LD) analysis provides information on the evolutionary aspects of populations. Recently, haplotype blocks have been used to increase the power of quantitative trait loci detection in genome-wide association studies and the prediction accuracy of genomic selection. Our objectives were as follows: to compare the degree of LD, LD decay, and LD decay extent in popcorn populations; to characterize the number and length of haplotype blocks in the populations; and to determine whether ...
Tópico(s): Genetics and Plant Breeding
2019 - Public Library of Science | PLoS ONE
Produção Nacional
Revisado por pares
Paulo Bonomo, Cosme Damião Cruz, José Marcelo Soriano Viana, Antônio Alves Pereira, V. R. Oliveira, Pedro Crescêncio Souza Carneiro,
Avaliou-se com este trabalho o comportamento de 28 progênies F3 de Coffea arabica obtidas de cruzamentos das cultivares Catuaí Vermelho e Catuaí Amarelo com descendentes do Híbrido de Timor, realizados pela Epamig em conjunto com a UFV. Estimaram-se os parâmetros genéticos e as correlações entre caracteres, buscando conhecer a estrutura genética da população e seu potencial para o melhoramento. O experimento foi instalado em Patrocínio, Estado de Minas Gerais, em delineamento de blocos casualizados ...
Tópico(s): Rural Development and Agriculture
2004 - INSTITUTO AGRONÔMICO DE CAMPINAS | Bragantia
Produção Nacional
Revisado por pares
José Marcelo Soriano Viana, Hélcio Duarte Pereira, Gabriel Borges Mundim, Hans‐Peter Piepho, Fabiano Ferreira da Silva,
An important application of genomic selection in plant breeding is predicting untested single crosses (SCs). Most investigations on the prediction efficiency were based on tested SCs using cross-validation. The main objective was to assess the prediction efficiency by correlating the predicted and true genotypic values of untested SCs (accuracy) and measuring the efficacy of identification of the best 300 untested SCs (coincidence) using simulated data. We assumed 10,000 SNPs, 400 QTLs, two groups ...
Tópico(s): Genetics and Plant Breeding
2017 - Springer Nature | Heredity
Produção Nacional
Revisado por pares
J. H. M. Viana, Paulo Rogério da Costa Couceiro, Márcio C. Pereira, José Domingos Fabris, Elpı́dio Inácio Fernandes Filho, Carlos Ernesto Gonçalves Reynaud Schaefer, H. Rechenberg, Walter Antônio Pereira Abrahão, Evandro Chartuni Mantovani,
It is relatively well established from many pedogenetic studies that, in deeply weathered Oxisols from Central Brazil, magnetite or maghemite are either inherited or transformed from magnetite of the mafic parent material. However, no similar pedogenetic pathways have been reported in the literature for other lithologies, such as limestone and pelitic rocks (shales and slates) of the Bambuí Group in Brazil. In these sedimentary, non-mafic lithologies, magnetic minerals are not likely to occur. Despite ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
2006 - CSIRO Publishing | Soil Research
Produção Nacional
Revisado por pares
Bruna Pinto Ribeiro Sued, Paula Marcele Afonso Pereira, Yuri Vieira Faria, Juliana Nunes Ramos, Vanessa Batista Binatti, Kátia Regina Netto dos Santos, Sérgio Henrique Seabra, Raphael Hirata, Verônica Viana Vieira, Ana Luíza Mattos‐Guaraldi, José Augusto Adler Pereira,
The association between Staphylococcus haemolyticus and severe nosocomial infections is increasing. However, the extent to which fomites contribute to the dissemination of this pathogen through patients and hospital wards remains unknown.In the present study, sphygmomanometers and thermometers were evaluated as potential fomites of oxacillin-resistant S. haemolyticus (ORSH). The influence of oxacillin and vancomycin on biofilm formation by ORSH strains isolated from fomites was also investigated. ...
Tópico(s): Bacterial biofilms and quorum sensing
2017 - Instituto Oswaldo Cruz, Ministério da Saúde | Memórias do Instituto Oswaldo Cruz
Josiane Viana Cardoso, Carlos Fabiano Munir Gomes, Ronaldo José Pereira, Daniel Augusto da Silva,
Objetivo: identificar a ocorrência de estresse e as vulnerabilidades sociodemográficas e acadêmicas em estudantes universitários. Método: trata-se de estudo quantitativo, descritivo, epidemiológico transversal, realizado com 391 estudantes universitários, com aplicação de questionário semiestruturado elaborado pelos autores e a Escala de Estresse Percebido. Realizou-se análise estatística descritiva e inferencial e análise de variância (ANOVA um fator). Os resultados são apresentados em tabelas. ...
Tópico(s): Evasion and Academic Success Factors
2019 - | Revista de Enfermagem UFPE on line
Olga Martinho, António Gouveia, Marta Viana‐Pereira, Paula Silva, Amadeu Pimenta, Rui Manuel Reis, José Manuel Lopes,
Aims: Gastrointestinal stromal tumours (GISTs) are commonly driven by oncogenic mutations in KIT and PDGFRA . However, 10–40% of these patients are wild‐type for these genes. The prognostic significance of wild‐type GISTs is controversial, and they rarely respond to imatinib. The aim of this study was to elucidate the molecular lesions underlying wild‐type GISTs tumorigenesis. Methods and results: Twenty‐nine KIT and PDGFRA wild‐type GISTs were re‐assessed for the presence of ‘cryptic’ KIT exon 11 duplications. ...
Tópico(s): Sarcoma Diagnosis and Treatment
2009 - Wiley | Histopathology
Produção Nacional
Revisado por pares
G. Wilson Fernandes, Thaíse de Oliveira Bahia, Hernani A. Almeida, Abel Augusto Conceição, C. Loureiro, Giovana Rodrigues da Luz, Ana Carolina de Oliveira Neves, Yumi Oki, Geanne Carla Novais Pereira, José Rubens Pirani, Pedro Lage Viana, Daniel Negreiros,
The unique vegetation of rupestrian grassland (Campo Rupestre) is finely tuned to the strong environmental and edaphoclimatic filters that resulted in important adaptations and high levels of endemism. In this study, we intend to give another focus to the understanding of the identity of the rupestrian grasslands by observing their floristic relationships with other surrounding vegetation types and to present for the first time a functional approach and zeta similarity to try to understand the differences ...
Tópico(s): Plant and animal studies
2020 - Elsevier BV | Ecological Complexity
Yi Wei Ho, Henrique G. Rosa, Ivan Verzhbitskiy, Manuel J. L. F. Rodrigues, Takashi Taniguchi, Kenji Watanabe, Goki Eda, Vitor M. Pereira, José Viana‐Gomes,
A population imbalance at different valleys of an electronic system lowers its effective rotational symmetry. We introduce a technique to measure such imbalance (a valley polarization), which exploits the unique fingerprints of this symmetry reduction in the polarization-dependent second-harmonic generation (SHG). We present the principle and detection scheme in the context of hexagonal two-dimensional crystals, which include graphene-based systems and the family of transition metal dichalcogenides, ...
Tópico(s): Graphene research and applications
2020 - American Chemical Society | ACS Photonics
Produção Nacional
Revisado por pares
Denis L. Guerra, Josane N. Ferrreira, Mário José Teixeira Pereira, Rúbia Ribeiro Viana, Cláudio Airoldi,
Tópico(s): Extraction and Separation Processes
2010 - Cambridge University Press | Clays and Clay Minerals
Produção Nacional
Revisado por pares
Michelle Beatriz Viana, Fabiano Pereira Cardoso, Marina Gonçalves Diniz, Fernando Oliveira Costa, José Eustáquio Costa, Ricardo Santiago Gomez, Paula Rocha Moreira,
DNA methylation is characterized by the addition of methyl groups in cytosines within CpG islands. Unmethylated CpGs are related to transcriptionally active structure, whereas methylated CpG recruits methyl-binding proteins that promote chromatin compaction. DNA methylation can influence the expression of cytokines and affect the development of periodontal disease. The purpose of the present study was to evaluate the methylation status of the interferon gamma (IFN-γ) and interleukin-10 (IL-10) genes ...
Tópico(s): Salivary Gland Disorders and Functions
2011 - Elsevier BV | Immunobiology
Produção Nacional
Revisado por pares
José Altair Figueiredo, Valter Carvalho de Andrade Júnior, Rosana Cristina Pereira, Karina Guimarães Ribeiro, Daniel José Silva Viana, Irã Pinheiro Neiva,
O presente trabalho teve como objetivo selecionar clones de batata-doce com potencial para uso na alimentação animal. O experimento foi conduzido em blocos ao acaso, com 11 clones e quatro repetições. Os clones avaliados fazem parte do banco de germoplasma da Universidade Federal dos Vales do Jequitinhonha e Mucuri, sendo: BD-06, BD-25, BD-15, BD-38, Cambraia, BD-31-TO, BD-67, BD-45, BD-42, BD-54 e a cultivar Brazlândia Rosada. Nas ramas coletadas do experimento foram avaliados o teor de matéria ...
Tópico(s): Rural Development and Agriculture
2012 - Associação Brasileira de Olericultura | Horticultura Brasileira
Produção Nacional
Revisado por pares
Caroline Maria de Miranda Mota, Ciro José Jardim de Figueiredo, Débora Viana e Sousa Pereira,
The decision-making process in public security is not an easy task. Several aspects must be considered, since resources are limited, whereas coverage should be extensive. Usually, preventative actions are allocated to areas that are more prone to violence, where criminal occurrences have happened in the recent past. In Brazil, such decisions are made in an ad-hoc way, considering only the knowledge of a specialist. This paper, however, aims to identify homicide vulnerability areas, taking into account ...
Tópico(s): Data Mining Algorithms and Applications
2020 - Elsevier BV | Omega
Produção Nacional
Revisado por pares
Pedro Antônio Pereira de Jesus, Iuri Santana Neville, Carolina Cincurá, Daniela F. Menezes, Rodrigo M. Vieira-de-Melo, Amanda Mota Lacerda, Leila C. Viana, Davidson França Pereira, Valter Ribeiro-dos-Santos, Francisco José Farias Borges dos Reis, Cristiano Macedo, Jamary Oliveira‐Filho,
<i>Background:</i> Chagas disease is endemic in South and Central America, where 18 million individuals are infected by <i>Trypanosoma cruzi</i>, causing congestive heart failure (CHF) and cardioembolic stroke. Transcranial Doppler (TCD) is able to detect real-time microembolic signals (MES) to the brain vessels and may represent a surrogate marker of stroke risk. We aimed to determine predictors of MES in a population of patients with CHF. <i>Methods:</i> Consecutive CHF ...
Tópico(s): Cardiovascular Function and Risk Factors
2010 - Karger Publishers | Cerebrovascular Diseases
Produção Nacional
Revisado por pares
Paulo Roberto Louzada, Paulo Roberto Requejo, Marcelo Viana Barroso, Rafael Pereira Vaitsman, Alexandre Légora Machado, Mauro Sérgio Paiva, José Massoud Salame,
Ventricular over-drainage is a common complication of dysfunctional ventriculoperitoneal devices. Subdural haematomas are usually the most common lesions associated with that complication. Such lesions may arise after ventricular collapse and bridging veins disruption that follows over-drainage, thus contributing to distortion of brain parenchyma, increased intracranial hypertension and neurological decline. More rarely, extradural haematomas may also be observed after ventricular shunt hyperfunction ...
Tópico(s): Cerebrospinal fluid and hydrocephalus
2011 - Taylor & Francis | Brain Injury