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Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Maria Alice Varjal de Melo-Santos, Elizabeth Gomes Sanches, Fernando Justino de Jesus, Lêda Regis,

The effect of sunlight on the efficacy and persistence of an experimental tablet formulation based on Bacillus thuringiensis sorovar. israelensis (C4P1) was evaluated against Aedes aegypti larvae under simulated field conditions. The initial mortality ranged from 93 to 100%, and the residual activity ( > or = 70% mortality) recorded in containers exposed to sunlight or shade were, respectively, 13-35 days and 40-54 days. The results suggest that C4P1 can provide long-term larvicidal effect and operational ...

Tópico(s): Mosquito-borne diseases and control

2001 - Instituto Oswaldo Cruz, Ministério da Saúde | Memórias do Instituto Oswaldo Cruz

Revisão Acesso aberto Brasil Produção Nacional Revisado por pares

Bárbara Longhini Gonzalez, Natalia Castelhano de Oliveira, Mariane Roberta Ritter, Fernanda S. Tonin, Eduardo Borges de Melo, Andréia Cristina Conegero Sanches, Fernando Fernández-Llimós, Marcus Vinícius Petruco, João Carlos Palazzo de Mello, Danielly Chierrito, Daniela Cristina de Medeiros Araújo,

Coronavirus disease 2019 (COVID-19) is caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), which has a high mortality rate and transmissibility. In this context, medicinal plants have attracted attention due to the wide availability and variety of therapeutic compounds, such as alkaloids, a vast class with several proven pharmacological effects, like the antiviral and anti-inflammatory activities. Therefore, this scoping review aimed to summarize the current knowledge of the potential ...

Tópico(s): Berberine and alkaloids research

2022 - Wiley | Phytotherapy Research

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Jose L. Díaz de Tuesta, Adriano S. Silva, Fernanda F. Roman, Lucas F. Sanches, Fernando Alves da Silva, Ana I. Pereira, Adrián M.T. Silva, Joaquim L. Faria, Hélder Gomes,

This work deals with developing feasible valorization technologies to prepare carbon nanotubes (CNTs) from plastic solid waste and demonstrate their application in catalytic wet peroxide oxidation (CWPO). CNTs were synthesized by catalytic chemical vapor deposition (CCVD) at 850 ºC, considering low-density polyethylene (LDPE), high-density polyethylene (HDPE), and polypropylene (PP) as carbon precursors representative of urban plastic solid waste. Iron oxide nanoparticles supported in alumina, previously ...

Tópico(s): Carbon Nanotubes in Composites

2023 - Elsevier BV | Catalysis Today

Artigo Acesso aberto Revisado por pares

Mariana Andrade, Cássia H. Barbosa, Victor Gomes Lauriano Souza, Isabel M. Coelhoso, João Reboleira, Susana Bernardino, Rui Ganhão, Susana Mendes, Ana Luísa Almaça da Cruz Fernando, Fernanda Vilarinho, A. Sanches‐Silva, Fernando Ramos,

Algae and seaweeds are used in cookery since the beginnings of human civilization, particularly in several Asian cultures. Phenolic compounds are secondary metabolites produced by aquatic and terrestrial plants for their natural defense against external stimuli, which possess powerful antimicrobial and antioxidant properties that can be very important for the food industry. The main objective of this study was to develop a whey protein concentrate active coating, incorporated with a Fucus vesiculosus ...

Tópico(s): Food and Agricultural Sciences

2021 - Multidisciplinary Digital Publishing Institute | Coatings

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Anildo Monteiro Caldas, Teresa Cristina Tarlé Pissarra, Renata Cristina Araújo Costa, Fernando Cartaxo Rolim Neto, Marcelo Zanata, R. da B. V. Parahyba, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

In many regions across the planet, flood events are now more frequent and intense because of climate change and improper land use, resulting in risks to the population. However, the procedures to accurately determine the areas at risk in regions influenced by inadequate land uses are still inefficient. In rural watersheds, inadequate uses occur when actual uses deviate from land capability, and are termed environmental land use conflicts. To overcome the difficulty to evaluate flood vulnerability ...

Tópico(s): Hydrology and Watershed Management Studies

2018 - Multidisciplinary Digital Publishing Institute | Water

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Juliana Sanches, José Fernando Durigan, Maria Fernanda Berlingieri Durigan,

Este trabalho teve por objetivo avaliar o efeito da aplicação de danos mecânicos por impacto, compressão e corte em abacates 'Geada'. O trabalho consistiu em duas etapas: na primeira, o impacto foi aplicado deixando-se os frutos caírem, em queda livre, de 1,5 m a 3,0 m, com intervalo de 0,5 m; na compressão, os frutos sofreram a ação dos pesos: 6 kg por 12 horas e 12 kg por 6 horas. Para os cortes, foram realizados quatro cortes com 80 mm de comprimento e 4 mm de profundidade. Na segunda etapa, para ...

Tópico(s): Plant Physiology and Cultivation Studies

2008 - Sociedade Brasileira de Engenharia Agrícola | Engenharia Agrícola

Revisão Acesso aberto Brasil Produção Nacional Revisado por pares

Nivaldo Magalhães Piorski, Alexandra Sanches, Luís Fernando Carvalho-Costa, Terumi Hatanaka, Mauricio Carrillo-Avila, Patrícia Domingues de Freitas, Pedro Manoel Galetti,

Human activities have a considerable impact on hydrographic systems and fish fauna. The present review on conservation genetics of neotropical freshwater fish reveals that DNA analyses have been promoting increased knowledge on the genetic structure of fish species and their response to environmental changes. This knowledge is fundamental to the management of wild fish populations and the establishment of Evolutionary Significant Units capable of conserving genetic integrity. While population structuring ...

Tópico(s): Genetic diversity and population structure

2008 - Instituto Internacional de Ecologia (Brazil) | Brazilian Journal of Biology

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Fernando Sanches de Lima, Louise Emy Kurozawa, Elza Iouko Ida,

The aim of this study was to investigate the effects of soybean soaking on grain properties and isoflavone loss in order to find suitable conditions for this step of soybean processing. A moisture content of 120% (dry basis) was achieved by soaking the soybeans at 55 °C and 70 °C for 3 and 2 h, respectively. Soybeans soaked at temperatures above 25 °C showed no significant difference (p > 0.05) in hardness after 1 h of soaking. The contents of total isoflavones and soluble proteins were better preserved ...

Tópico(s): Microbial Metabolites in Food Biotechnology

2014 - Elsevier BV | LWT

Artigo Brasil Produção Nacional Revisado por pares

Renato Farias do Valle, Simone Varandas, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

The quality of groundwater was evaluated in a rural watershed of northern Portugal (River Sordo basin) where environmental land use conflicts have developed in the course of a progressive invasion of forest and pasture lands by agriculture, especially by vineyards. The selected groundwater quality parameters were the concentrations of sodium, calcium, bicarbonate, chloride and nitrates, derived from natural and anthropogenic sources. The environmental land use conflicts were revealed by the coupling ...

Tópico(s): Soil and Water Nutrient Dynamics

2014 - Elsevier BV | The Science of The Total Environment

Artigo Revisado por pares

Renato Farias do Valle, Simone Varandas, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

Soil vulnerability and environmental land use conflicts were quantified and cross tabulated in the Sordo River basin (Trás-os-Montes Province, NE Portugal) to provide insights about the risk of soil degradation within that basin. Soil vulnerability was assessed by algorithms of multi criteria analysis and weighted linear combination, whereas environmental land use conflicts were described by an original approach. Three vulnerability scenarios were considered, enhancing the importance of topographic ...

Tópico(s): Land Use and Ecosystem Services

2014 - Elsevier BV | Land Use Policy

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Fernando Sanches de Lima, Elza Iouko Ida,

The objective of this work was to optimise the conditions for the soaking process of soybean for maximal conversion of β-glucoside isoflavones into aglycones using response surface methodology. The investigated variables were the time (3, 4, 6, 8, and 9 h) and temperature (41, 45, 55, 65, and 69 °C ± 1 °C) for the soaking of soybean in 1:1.5 (g:g) ratio with a buffer solution pH 6. The maximum aglycones content (1.22 μmol g−1) in soaked soybeans was estimated and validated at 55 °C ± 1 °C and 6 h of soaking. ...

Tópico(s): Microbial Metabolites in Food Biotechnology

2013 - Elsevier BV | LWT

Artigo Brasil Produção Nacional Revisado por pares

Cíntia Ladeira Handa, Fernando Sanches de Lima, Marcela Fernanda Geton Guelfi, Sandra R. Georgetti, Elza Iouko Ida,

A simplex-centroid design comprising three solvents (water, ethanol and methanol) was used to optimise the extraction mixture for phenolics and antioxidant activities from defatted soy flour fermented with Monascus purpureus or Aspergillus oryzae. Total phenolics were more efficiently extracted using only water for both samples. The highest antioxidant activities by the DPPH and ABTS methods were obtained using extraction mixtures containing at least 75 wt% water. Specific water:ethanol:methanol ...

Tópico(s): Food Quality and Safety Studies

2015 - Elsevier BV | Food Chemistry

Artigo Acesso aberto Revisado por pares

Renato Farias do Valle, Simone Varandas, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

The vulnerability of a fractured aquifer was quantified in the River Sordo basin (northeast Portugal) to check the risk of groundwater contamination in that watershed. Vulnerability was evaluated by Multi Criteria Analysis (MCA) and compared with DRASTIC results. MCA revealed a predominance of electrical conductivity, sulphate and copper as indicators of aquifer vulnerability. DRASTIC showed the highest vulnerabilities in areas covered by alluvium and where granites and metassediments come into contact. ...

Tópico(s): Groundwater flow and contamination studies

2015 - Elsevier BV | Environmental Science & Policy

Artigo Brasil Produção Nacional Revisado por pares

Carlos Alberto Valera, Renato Farias do Valle, Simone Varandas, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

In the Uberaba River basin (state of Minas Gerais, Brazil), pastures for livestock production have invaded areas of native vegetation (Cerrado biome), while already existing pastures were invaded by crop agriculture, with an expansion of sugar cane plantations in the most recent years. In some areas of the basin, these land use changes were classified as environmental land use conflicts because the new uses were not conforming to land capability, i.e. the soil's natural use. Where the areas in conflict ...

Tópico(s): Geography and Environmental Studies

2016 - Elsevier BV | The Science of The Total Environment

Artigo Acesso aberto Brasil Produção Nacional

Paulo Valdeci Worm, Tobias Ludwig do Nascimento, F. Nicola, Eduardo Farias Sanches, Carlos Fernando dos Santos Moreira, L. Rogério, Marcelo Martins dos Reis, Guilherme Finger, Marcus Vinícius Martins Collares,

In cases where autologous bone graft reconstruction is not possible (such as comminuted fractures, bone graft reabsorption, or infection) and the use of synthetic material is required, polymethylmethacrylate (PMMA) use is a safe and efficient solution. Studies comparing the incidence of postoperative complications between autologous and synthetic cranioplasty are heterogeneous, not allowing a conclusion of which is the best material for skull defects reconstruction. Current medical literature lacks ...

Tópico(s): Bone fractures and treatments

2016 - Medknow | Surgical Neurology International

Artigo Brasil Produção Nacional Revisado por pares

Marina Martins Muliterno, Daniele Bobrowski Rodrigues, Fernando Sanches de Lima, Elza Iouko Ida, Louise Emy Kurozawa,

The aim of this work was to investigate the convective drying of okara, a by-product from soymilk processing. The specific objectives were as follows: to model the drying kinetics using the Fick and Page models; and to evaluate the color and isoflavone content during drying. An oven-dryer with hot air circulation at 50, 60 and 70 °C was used. Samples were taken at each predetermined time to analyze the isoflavone profile by UHPLC and the color. The Page model fitted the drying kinetics data well. ...

Tópico(s): Food Quality and Safety Studies

2016 - Elsevier BV | LWT

Artigo Brasil Produção Nacional Revisado por pares

Marta Maria Menezes Bezerra Duarte, Graciliano de Oliveira Neto, Lauro T. Kubota, JoséL.L. Filho, Maria Fernanda Pimentel, Fernando Sanches de Lima, Valdinete Lins,

A potentiometric FIA system for penicillin determination, employing penicillinase [E.C. 3.5.2.6] immobilized on silica gel, packed into a reactor, was improved by the use of statistically designed experiments. A two-level and three-factor factorial was used to find the best working conditions evaluating the influence of some parameters on the signal response of the system and the number of determinations per hour. These parameters were analyzed individually obtaining two level of the variables to ...

Tópico(s): Antibiotics Pharmacokinetics and Efficacy

1997 - Elsevier BV | Analytica Chimica Acta

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Carlos Alberto Valera, Teresa Cristina Tarlé Pissarra, Marcílio Vieira Martins Filho, Renato Farias do Valle, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

The "polluter pays principle" (PPP) has been looked at from the perspective of legal values and technical principles, namely of soil science, to evaluate the acceleration of soil erosion and the consequent development of degraded areas in the Uberaba River basin (area: 2419 km2), state of Minas Gerais, Brazil. Having accomplished this goal, the study highlights the importance of PPP for the conservation of soil and development of an ecologically equilibrated environment. The diagnosis of degraded areas ...

Tópico(s): Geography and Environmental Studies

2017 - Elsevier BV | Land Use Policy

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Hygor Evangelista Siqueira, Teresa Cristina Tarlé Pissarra, Renato Farias do Valle, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

Road spills of hazardous substances are common in developing countries due to increasing industrialization and traffic accidents, and represent a serious threat to soils and water in catchments. There is abundant literature on equations describing the wash-off of pollutants from roads during a storm event and there are a number of watershed models incorporating those equations in storm water quality algorithms that route runoff and pollution yields through a drainage system towards the catchment ...

Tópico(s): Soil and Land Suitability Analysis

2017 - Elsevier BV | Environmental Impact Assessment Review

Artigo Revisado por pares

Xana Álvarez, Enrique Valero, Regina Santos, Simone Varandas, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

Blooms of cyanobacteria (Microcystis aeruginosa) are becoming increasingly recurrent in the A Baxe dam reservoir (Galícia, Northern Spain) as a result of increasing levels of different anthropogenic pressues in the Umia catchment. The aim of this study is to develop a model that allows us to detect the spatial level where the main problems that trigger eutrophication occur. We used Mike Basin coupled with Load Calculator to model and visualize spatially explicit results of stream flow and N and P ...

Tópico(s): Hydrology and Watershed Management Studies

2017 - Elsevier BV | Land Use Policy

Artigo Acesso aberto

Marcos Cabezas González, Sonia Casillas Martín, Manuela Sanches‐Ferreira, Fernando Diogo,

The characteristics of Information and Communication Technologies (ICT) and their implementation at the global level have led to significant changes in different areas, especially institutional ones. This article presents the results of a research study whose purpose was to learn the level of digital competence of university students of education and to verify whether the variables of gender and age have any influence on it. A quantitative methodology was used, with a non-experimental, descriptive ...

Tópico(s): Educational and Organizational Development

2017 - Ediciones Universidad de Salamanca | Fonseca Journal of Communication

Artigo Brasil Produção Nacional Revisado por pares

Meg da Silva Férnandes, Fernando Sanches de Lima, Daniele Bobrowski Rodrigues, Cíntia Ladeira Handa, Marcela Fernanda Geton Guelfi, Sandra García, Elza Iouko Ida,

This study aimed to evaluate the isoflavone and total phenolic contents in kefir-fermented soymilk storage and after the in vitro digestive system simulation (DSS). Soymilk was fermented with kefir culture (0.02UC/L) at 25°C for 15h and stored at 4°C for 4days. After the fermentation and storage, the isoflavone and total phenolic contents were quantified by high performance liquid chromatography and spectrophotometry, respectively. The cell viability of lactic acid bacteria and yeast was evaluated. ...

Tópico(s): Food Quality and Safety Studies

2017 - Elsevier BV | Food Chemistry

Artigo Revisado por pares

Sonia Casillas Martín, Marcos Cabezas González, Manuela Sanches‐Ferreira, Fernando Diogo,

Para que la integración de las Tecnologías de la Información y la Comunicación (TIC) en las aulas universitarias contribuya al desarrollo de procesos pedagógicos de calidad, es necesario que los estudiantes posean un adecuado nivel de competencia digital. Para investigar esta competencia, necesitamos de instrumentos válidos y fiables que permitan recoger información sobre la misma. El principal objetivo que se pretende conseguir es el de identificar las propiedades psicométricas de un cuestionario ...

Tópico(s): Higher Education and Sustainability

2018 - Ediciones Universidad de Salamanca | Education in the Knowledge Society (EKS)

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Hellen Holanda Sena, Michele Alves Sanches, Diego Fernando Silva Rocha, Walter Oliva Pinto Filho Segundo, Érica Simplício de Souza, João Vicente Braga de Souza,

Biosurfactants are surface-active compounds that have sparked interest in recent years because of their environmental advantages over conventional surfactants. The aim of this study was to investigate the production of biosurfactants by soil fungi isolated from the Amazon forest. Fungi colonies were isolated from soil samples and screened for biosurfactant production in submerged fermentation. In addition, the influences of bioprocess factors (carbon source, nitrogen source, pH, and fermentation ...

Tópico(s): Pesticide and Herbicide Environmental Studies

2018 - Hindawi Publishing Corporation | International Journal of Microbiology

Artigo Acesso aberto Revisado por pares

Lisa Martins, Alcides Pereira, A. Sousa Oliveira, António Fernandes, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

There is currently some controversy in the scientific community regarding the efficiency of the water–rock interaction process in the contamination of radon in groundwater. In this study, some difficulties were found in the sampling phase. Many of the water collection points are used for human consumption. As such, some municipalities did not want to collaborate. When this natural contaminant is undetectable to the human sense and may cause pulmonary neoplasms in the long term, it is difficult to ...

Tópico(s): Geophysical Methods and Applications

2019 - Multidisciplinary Digital Publishing Institute | Water

Artigo Brasil Produção Nacional Revisado por pares

Vinícius Silva Rodrigues, Renato Farias do Valle, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

Water erosion has historically been assessed by various methods, with the purpose to help reducing this phenomenon. However, application of models capable to handle complex relationships between large numbers of variables is still relatively scarce. The method of Partial Least Squares-Path Modeling (PLS-PM), used in this study, was able to expose complex causal paths between soil erosion and potentially related factors, namely "Surface Runoff", "Environmental Land Use Conflicts", "Soil Fertility" and " ...

Tópico(s): Hydrology and Watershed Management Studies

2019 - Elsevier BV | The Science of The Total Environment

Artigo Acesso aberto Revisado por pares

Lisa Martins, Alcides Pereira, A. Sousa Oliveira, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

In general, this study was developed to assess the radon contamination in groundwater intended for human consumption, to raise awareness among policy-makers to implement a legal framework for drinking water management and the radiological protection of groundwater resources. Thus, we analyzed with parallel coordinate visualization (PCV) plots what features may influence the water–rock interaction and promote high-radon concentrations in water intended for human consumption. The results show that ...

Tópico(s): Radiation Dose and Imaging

2019 - Multidisciplinary Digital Publishing Institute | Water

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Carlos Alberto Valera, Teresa Cristina Tarlé Pissarra, Marcílio Vieira Martins Filho, Renato Farias do Valle, Caroline Fávaro Oliveira, João Paulo Moura, Luís Filipe Sanches Fernandes, Fernando António Leal Pacheco,

The riparian buffer width on watersheds has been modified over the last decades. The human settlements heavily used and have significantly altered those areas, for farming, urbanization, recreation and other functions. In order to protect freshwater ecosystems, riparian areas have recently assumed world recognition and considered valuable areas for the conservation of nature and biodiversity, protected by forest laws and policies as permanent preservation areas. The objective of this work was to ...

Tópico(s): Geography and Environmental Studies

2019 - Multidisciplinary Digital Publishing Institute | Water