Publicações - ciências exatas e da terra
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RIBEIRO, JANE CRISTINA LARA;
COSTA, EMMANOEL VILAÇA;
SOARES, MILENA BOTELHO PEREIRA;
BEZERRA, DANIEL PEREIRA;
Francinete R. Campos;
BRUGINSKI, ESTEVAN;
ZUCCOLOTTO, TATIANA;
SANTOS, ALAN DIEGO DA CONCEIÇÃO;
BOMFIM, LARISSA MENDES;
ROCHA, SUELLEN LAILA ANDRADE;
Barison, Andersson;
SASSAKI, GUILHERME;
CAVALCANTI, SÓCRATES CABRAL DE HOLANDA
Palavra-chave:
RMN;
Annona salzmannii;
Annonaceae
Áreas do conhecimento:
Ciências Exatas e da Terra; Química; Ressonancia Magnetica Nuclear;
Engenharias; Engenharia Química; Tecnologia Química; Produtos Naturais;
Ciências Exatas e da Terra; Química; Química Orgânica; Estrutura, Conformação e Estereoquímica
resumo ...
The seed oil of Annona salzmannii A. DC. was analyzed by GC-MS and 1H qNMR, revealing a mixture...
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Roger Raupp Cipriano;
Beatriz Helena Lameiro Noronha Sales Maia;
Cícero Deschamps
Palavra-chave:
essential oil;
eugenia uniflora;
atividade biológica
Áreas do conhecimento:
Ciências Exatas e da Terra; Química; Química Orgânica; Química dos Produtos Naturais
resumo ...
Abstract Eugenia uniflora, known as the “Brazilian cherry”, is an economically important...
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Renato Luis Bot Neto;
Roberto Schwarz Junior;
Henry Louis Spach
Oecologia Australis,
v. 25,
n. 3,
p. 1-20,
2021
Palavra-chave:
Assembléia de peixes;
Ecologia de comunidades;
Interações interespecíficas
Áreas do conhecimento:
Ciências Exatas e da Terra; Oceanografia Biológica; Interação entre os Organismos Marinhos e os Parâmetros Ambientais
resumo ...
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FRANZ, GUILHERME;
TURRA, ALEXANDER;
TROTTE-DUHÁ, JANICE R.;
CIRANO, MAURO;
ESTEFEN, SEGEN F.;
LIMA, JOSÉ ANTONIO M.;
PAIVA, AFONSO M.;
Mauricio Almeida Noernberg;
TANAJURA, CLEMENTE A. S.;
MOUTINHO, JOSÉ LUIZ;
CAMPUZANO, FRANCISCO;
GARCIA, CARLOS A. E.;
PEREIRA, ELLA S.;
LIMA, ANDRÉ CUNHA;
MENDONÇA, LUÍS F. F.;
NOCKO, HELDER;
MACHADO, LEANDRO;
ALVARENGA, JOÃO B. R.;
MARTINS, RENATO P.;
BÖCK, CARINA STEFONI;
TOSTE, RAQUEL;
LANDAU, LUIZ;
PEREIRA, JANINI;
MIRANDA, TIAGO;
DOS SANTOS, FRANCISCO;
PELLEGRINI, JÚLIO;
JULIANO, MANUELA;
NEVES, RAMIRO;
POLEJACK, ANDREI;
DE FREITAS ASSAD, LUIZ PAULO;
ROLLNIC, MARCELO;
GARBOSSA, LUIS HAMILTON P.;
DA CUNHA, LETÍCIA COTRIM;
LENTINI, CARLOS A. D.;
NOBRE, PAULO
Palavra-chave:
Observação costeira;
Oceanografia Operacional;
Amazônia Azul;
monitoramento ambiental
Áreas do conhecimento:
Ciências Exatas e da Terra; Oceanografia Física;
Ciências Exatas e da Terra; Oceanografia; Oceanografia Física; Oceanografia Costeira
resumo ...
Coastal ocean observing and modeling systems (coastal observatories), connected with regional and global ocean systems, improve the quality of information and forecasts for effective management of safe and sustainable maritime activities. The public availability of systematic and long-term information of the ocean is an engine for the Blue Economy, boosting economic growth, employment, and innovation. An overview of some Brazilian initiatives is presented in this paper, involving universities, private companies, federal and state agencies, covering institutions from south to north of Brazil. Although these initiatives focus mainly on ocean physics, integrated efforts can extend the scope to include biogeochemistry and marine biodiversity, helping to address interdisciplinary problems. Existing initiatives can be connected, and new ones fostered, to fill in the gaps of temporal and spatial coverage of ocean monitoring in the vast oceanic area under Brazilian jurisdiction (nationally referred to as the Blue Amazon, in reference to the similar richness of the Amazon Forest). The alignment among national and regional initiatives, as well as with international programs, can be promoted if coordinated by a national-level organization, maximizing the return of public investment and socioeconomic benefits. In light of international examples, possible future institutional arrangements are discussed, leveraging from existing national public policies and international cooperation tha...
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PEREIRA, F. A. C.;
TOUFEN, D. L.;
GUIMARÃES-FILHO, Z. O.;
CALDAS, I;
VIANA, R. L.;
GENTLE, K. W.
Palavra-chave:
Turbulência
Áreas do conhecimento:
Ciências Exatas e da Terra; Física dos Fluídos, Física de Plasmas e Descargas Elétricas; Física de Plasmas e Descargas Elétricas
resumo ...
The turbulence of magnetically confined plasmas usually presents high-density pulses with short duration known as bursts. In the Texas Helimak, it is possible to suppress bursts in a broader region...
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Rafael Ratti Fenato;
Ana Tereza Bittencourt Guimaraes;
Allan Cezar Faria Araújo
Palavra-chave:
Obesity;
HIP;
Muscle weakness
resumo ...
The hip abductor muscles, primarily the gluteus medius, play an important role in stabilizing the pelvis during gait. Gluteus medius weakness is associated with biomechanical changes and musculoskeletal disorders. Individuals with obesity can have great difficulty maintaining abductor muscular function due to being overweight and possibly experiencing a decrease in muscle mass. However, it is still unclear whether the musculature of person with obesity can compensate for these changes. Therefore, the aim of this study was to compare gluteus medius strength between individuals with obesity and normal-weight individuals using a digital hand-held dynamometer. Twenty-five participants with obesity (BMI > 35 kg/m2) were matched for sex, age, and height with normal-weight individuals. Gluteus medius strength was measured by a single examiner using a belt-stabilized hand-held digital dynamometer placed on the knee of the individuals positioned in lateral decubitus. Three measurements were recorded with rest intervals, and only the highest value measured for each limb was used for analysis. The differences between pairs were calculated, and the normality of the data was assessed using the Shapiro-Wilk test (p < 0.05). The matrices of the variables were standardized and analysed using principal component analysis (PCA). For the strength variables (Newtons) on both sides, no significant differences were detected between the groups (p > 0.05). However, significant differences were detected in these variables between the groups (p < 0.05) when the measurements were normalized to body weight (Newtons/kilograms). PCA indicated that both the absolute and normalized values of strength are lower in participants with obesity than in normal-weight. These findings suggest that people with obesity could have the same or less strength (PCA) to move more mass, which may imply a relative weakness that induces functional limitations.
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BORGES, FELIPE;
ZUGMAN, TAY;
BANDEIRA, PAMELA;
DALMOLIN, MARA;
SCARIOT, DÉBORA;
GARCIA, FRANCIELLE;
Alfredo Ricardo Marques de Oliveira;
NAKAMURA, CELSO;
PIOVAN, LEANDRO
Palavra-chave:
organochalcogenides;
atividade antimicrobiana;
chalcogen amines
Áreas do conhecimento:
Ciências Exatas e da Terra; Química Orgânica; Síntese Orgânica
resumo ...
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BORGES, FELIPE;
ZUGMAN, TAY;
BANDEIRA, PAMELA;
DALMOLIN, MARA;
SCARIOT, DÉBORA;
GARCIA, FRANCIELLE;
DE OLIVEIRA, ALFREDO;
NAKAMURA, CELSO;
Leandro Piovan
Palavra-chave:
Selenium;
Tellurium;
Biological activity;
antimicrobials
resumo ...
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PEREIRA, C. B.;
Sergio Luiz Meister Berleze;
WILSON ALCANTARA SOARES;
SERBENA, J. P. M.
Palavra-chave:
luxímetro;
Arduino;
Óptica
Áreas do conhecimento:
Ciências Exatas e da Terra; Áreas Clássicas de Fenomenologia e suas Aplicações; Ótica
resumo ...
Este trabalho teve como finalidade a construção de um luxímetro utilizando um...
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HARAYASHIKI, CYNTIA AYUMI YOKOTA;
SADAUSKAS-HENRIQUE, HELEN;
DE SOUZA-BASTOS, LUCIANA RODRIGUES;
GOUVEIA, NAYARA;
LUNA, ANA JULYA;
Antonio Ostrensky Neto;
CASTRO, ITALO BRAGA
Palavra-chave:
moluscos;
Crassostrea brasiliana;
biomarcadores;
ecotoxicidade;
Fisiologia
Áreas do conhecimento:
Ciências Biológicas; Farmacologia; Toxicologia; Toxicologia Ambiental;
Ciências Biológicas; Zoologia; Ciências Ambientais;
Ciências Exatas e da Terra; Oceanografia; Oceanografia Biológica; Interação entre os Organismos Marinhos e os Parâmetros Ambientais
resumo ...
Aquatic organisms that inhabit coastal areas are often exposed to several contaminants. It is known that the bioaccumulation of contaminants can be amplified according to the species feeding habits and contaminant properties. As a consequence, species can experience different effects to contaminant exposure even if they inhabit the same area. The present study aimed to investigate the activities of carbonic anhydrase (CA), Ca2+-ATPase, and Mg2+-ATPase in different tissues (soft tissue, mantle, and gill) of three mollusk species (Lottia subrugosa, Stramonita brasiliensis, and Crassostrea brasiliana) with different feeding habits (herbivore, carnivore, and filter-feeder, respectively) which were sampled within a known contamination gradient at Santos Estuarine System (Southeastern Brazil). From the three enzymes tested, only CA was affected by the presence of contaminants within the contamination gradient evaluated. In general, the CA activity from the three species were lower in contaminated sites when compared to the reference site. The contrasting CA activity response observed in S. brasiliensis compared to L. subrugosa and C. brasiliana could be related to the tissue-specificity of this enzyme activity and species feeding habits (filter-feeders can accumulate more contaminants than herbivores and even carnivores). Results indicated that C. brasiliana mantle is the most suitable tissue for the use of CA analysis as a biomarker.
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