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Search Results: 1 - 10 of 547626 matches for " S?o Thiago André Iwersen de "
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Software for pattern recognition of the larvae of Aedes aegypti and Aedes albopictus
So Thiago, André Iwersen de;Kupek, Emil;Ferreira Neto, Joaquim Alves;So Thiago, Paulo de Tarso;
Revista da Sociedade Brasileira de Medicina Tropical , 2002, DOI: 10.1590/S0037-86822002000300012
Abstract: software for pattern recognition of the larvae of mosquitoes aedes aegypti and aedes albopictus, biological vectors of dengue and yellow fever, has been developed. rapid field identification of larva using a digital camera linked to a laptop computer equipped with this software may greatly help prevention campaigns.
Software for pattern recognition of the larvae of Aedes aegypti and Aedes albopictus
So Thiago André Iwersen de,Kupek Emil,Ferreira Neto Joaquim Alves,So Thiago Paulo de Tarso
Revista da Sociedade Brasileira de Medicina Tropical , 2002,
Abstract: Software for pattern recognition of the larvae of mosquitoes Aedes aegypti and Aedes albopictus, biological vectors of dengue and yellow fever, has been developed. Rapid field identification of larva using a digital camera linked to a laptop computer equipped with this software may greatly help prevention campaigns.
Histochemistry and Morphometric Analysis of Muscle Fibers from Patients with Duchenne Muscular Dystrophy (DMD) Histoquímica y Análisis Morfométrico de las Fibras Musculares de Pacientes con Distrofia Muscular de Duchenne (DMD)
George Maciel Cavalcanti,André de Sá Braga Oliveira,Thiago de Oliveira Assis,Leila Maria Card?o Chimelli
International Journal of Morphology , 2011,
Abstract: The aim of the study was to analyze the muscle fibers by histochemistry and morphometric methods from patients with Duchenne muscular dystrophy (DMD). Muscle biopsies were taken from the vastus lateralis muscle of five boys between 13 and 15-years of age, with clinical diagnosis of DMD. The histochemistry was performed using myofibrillar ATPases (9.6, 4.6 and 4.3). To morphometrical analysis a computerized semiautomatic system and software Image-Lab was used. ATPase staining showed atrophy of muscle fibers. Fibrosis and adipose deposition occurred in variable degree depending of muscular involvement. The morphometrical analysis showed an increase of size (percentage) to type I fiber than other types in all patients. Furthermore, the type I fiber had a larger cross-sectional area and mean diameter than type IIa and IIb fibers. Both histochemistry and morphometric analysis could be important tools for qualitative and quantitative diagnostics of muscle fibers attacked in this type of disease. El objetivo del estudio fue analizar las fibras musculares mediante histoquímica y métodos morfométricos en pacientes con distrofia muscular de Duchenne (DMD). Se tomaron biopsias musculares del músculo vasto lateral de cinco ni os entre 13 y 15 a os de edad, con diagnóstico clínico de DMD. La histoquímica se realizó mediante ATPasa miofibrilar (9.6, 4.6 y 4.3). Para el análisis morfométrico se utilizó un sistema semiautomático computarizado y software de imagen de laboratorio. La tinción de ATPasa mostró una atrofia de las fibras musculares. La fibrosis y depósito adiposo se observó en grado variable dependiendo del compromiso muscular. El análisis morfométrico mostró un aumento de tama o (porcentaje) de fibras tipo I en todos los pacientes. Además, la fibra tipo I tuvo un área de sección transversal y diámetro medio mayor que las fibras tipos IIa y IIb. Tanto la histoquímica y el análisis morfométrico pueden ser herramientas importantes para el diagnóstico cualitativo y cuantitativo de las fibras musculares comprometidas en este tipo de enfermedad.
Histochemistry and Morphometric Analysis of Muscle Fibers from Patients with Duchenne Muscular Dystrophy (DMD)
Cavalcanti,George Maciel; Oliveira,André de Sá Braga; Assis,Thiago de Oliveira; Chimelli,Leila Maria Card?o; Medeiros,Paloma Lys de; Mota,Diógenes Luís da;
International Journal of Morphology , 2011, DOI: 10.4067/S0717-95022011000300046
Abstract: the aim of the study was to analyze the muscle fibers by histochemistry and morphometric methods from patients with duchenne muscular dystrophy (dmd). muscle biopsies were taken from the vastus lateralis muscle of five boys between 13 and 15-years of age, with clinical diagnosis of dmd. the histochemistry was performed using myofibrillar atpases (9.6, 4.6 and 4.3). to morphometrical analysis a computerized semiautomatic system and software image-lab was used. atpase staining showed atrophy of muscle fibers. fibrosis and adipose deposition occurred in variable degree depending of muscular involvement. the morphometrical analysis showed an increase of size (percentage) to type i fiber than other types in all patients. furthermore, the type i fiber had a larger cross-sectional area and mean diameter than type iia and iib fibers. both histochemistry and morphometric analysis could be important tools for qualitative and quantitative diagnostics of muscle fibers attacked in this type of disease.
Fluorescence of Chlorophyll a for Discovering Inhibitors of Photosynthesis in Plant Extracts  [PDF]
Ana C. de Carvalho, Jéssica P. Salvador, Thais de M. Pereira, Pedro Henrique A. Ferreira, Jo?o Carlos S. Lira, Thiago A. M. Veiga
American Journal of Plant Sciences (AJPS) , 2016, DOI: 10.4236/ajps.2016.711146
Abstract: Aims: Twelve crude extracts were prepared from different parts of Pluchea sagittalis, Cecropia palmata and Brachiaria brizantha, and their effect on the light reaction of photosynthesis. Study Design: Use of fluorescence of ChL a (Chlorophyll a) to detect inhibitors of photosynthesis in plant extracts. Place and Duration of Study: Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Departamento de Ciências Exatas e da Terra, Universidade Federal de Sao Paulo (UNIFESP), between July 2015 and January 2016. Methodology: The samples had their effect on the light reaction of photosynthesis studied by Chlorophyll a (Chl a) fluorescence transient by the use of chloroplasts isolated from spinach leaves. As negative controls we used the same amounts of DMSO that have been employed to solubilize the samples, and as positive control we have used 10 μM of the commercial herbicide DCMU (Diuron). Results: The extracts inhibited the photosynthesis, and their inhibition sites were located in the range of electron flow from OEC complex and between P680 to QA of PS II, and inhibited the photosystem II (PS II) by inducing the appearance of the transient bands K and J. Conclusion: Our results suggest an indicative that the photochemical apparatus probably is failing at the donor and acceptor sides of PSII, causing damage to electron transport during the photosynthesis phenomenon.
Comparison of Three Experimental Models for Rat Osteoarthritis Induction  [PDF]
Henrique Ribeiro Rodrigues-Neto, Edilson Ferreira Andrade-Junior, Denilson Jose Silva Feitosa-Junior, André Lopes Valente, Thiago Cesar Xavier, Bianca Caroline do Nascimento Alho, Renan Kleber Costa Teixeira, Fabio Vidal Moriya, Rui Sérgio Monteiro de Barros
Journal of Biosciences and Medicines (JBM) , 2016, DOI: 10.4236/jbm.2016.412010
Abstract: Background: Osteoarthritis is a slowly progressive and debilitating disease with high prevalence in adult population. Knee is one of the joints most affected by this disorder. There are several models for animals’ osteoarthritis induction, however it is not identified any paper that compares these techniques. The present study was aimed to define the most appropriate model for rats osteoarthritis induction. Material and Methods: 40 Wistar rats were distributed into 4 groups of 10 animals each: normality group (NG); meniscectomy group (MG); quinolone group (QG) and iodoacetate group (IG). Radiographic images of the rat’s knees were analyzed as well as the amount of chondrocytes in the epiphyseal and articular cartilage. Results: In the radiographic analysis, there was a low correlation between the raters. Regarding the amount of chondrocytes in the epiphyseal cartilage, it was noticed that the IG and QG groups had fewer chondrocytes than NG, in contrast to MG that reported similar results to normality (p > 0.05). There was no significant difference between IG and QG groups (p > 0.05). Regarding the amount of chondrocytes in articular cartilage, it was noticed that the IG group showed fewer chondrocytes than NG (p < 0.01), in contrast to the QG and MG groups that showed similar results to normality (p > 0.05). There was no significant difference between QG and MG groups (p > 0.05). Conclusion: Intraarticular injection of iodoacetate in rats is the model with greatest effect on reduction of chondrocytes amount.
Incis?o transareolopapilar para mamoplastia de aumento: experiência dos últimos 10 anos do Instituto Ivo Pitanguy
Verbicário, Jo?o Paulo Mendes;Ferreira, André Ventura;Holanda, Thiago Ayres;Amorim, Natale Ferreira Gontijo de;Pitanguy, Ivo;
Revista Brasileira de Cirurgia Plástica , 2011, DOI: 10.1590/S1983-51752011000400023
Abstract: background: there are numerous access routes for inserting implants during breast augmentation surgery. in 1966, pitanguy described the transareolopapilar route. the aim of this study was to assess the use of transareolopapilar incision during breast augmentation surgery at the ivo pitanguy institute (rio de janeiro, rj, brazil), over the past 10 years. methods: retrospective analyses of the size of the implants used, indications for transareolopapilar incision, postoperative complications, and postoperative scarring were performed. results: fifty-three patients with a mean age of 33.54 years were included, and the mean follow-up period was 11.6 months. most (60.4%) of the implants were <200 ml. twelve patients required a second operation due to a breast lump (1 case); infection (1 case); capsular contracture (1 case); and dissatisfaction with breast shape (4 cases), volume (4 cases), and unilateral scarring (1 case). sixteen (30.2%) patients developed some form of minor postoperative complication; 13 (24.5%) had one or more scarring issues, including hypochromia (18.9%), hypertrophy (1.9%), scar retraction (1.9%), and areola bifida (1.9%). twenty (37.7%) patients underwent postoperative follow-up for more than one year and were satisfied with the postoperative scar. conclusions: the transareolopapilar incision facilitates the insertion of small-to-moderate size implants with a low rate of postoperative complications and a low incidence of scarring, provided the correct surgical technique is used.
Fontes e níveis de proteína bruta em dietas para juvenis de apaiari (Astronotus ocellatus) = Sources and levels of crude protein in diets for oscar juveniles (Astronotus ocellatus)
Thiago El Hadi Perez Fabregat,Jo?o Batista Kochenborger Fernandes,Laurindo André Rodrigues,Felipe de Azevedo Ribeiro
Acta Scientiarum : Animal Sciences , 2006,
Abstract: Nove dietas experimentais combinando níveis de substitui o (0 , 50% e 100%) da farinha de peixe pelo farelo de soja, com três níveis de proteína bruta (28 , 30 e 32%), foram fornecidas para juvenis de apaiari (22,42 g) durante 84 dias. A sub stitui o total da farinha de peixe afetou negativamente (P<0,05) a sobrevivência, o ganho de peso, o consumo de ra o e o fator de condi o. Os peixes que receberam as dietas contendo somente farelo de soja apresentaram diminui o (P<0,05) no índice hepat ossomático, no índice gorduro-viscerossomático e na porcentagem de lipídeo no fígado e no músculo. Oganho de peso foi maior (P<0,05) para os peixes que receberam a dieta com 32% de proteína. A dieta contendo 28% de proteína bruta elevou (P<0,01) o índice hepatossomático. O farelo de soja pode substituir 50% da farinha de peixe sem comprometer a performance. O nível de 32% de proteína bruta foi o que proporcionou o melhor desempenho. Nine experimental diets combining levels of substitution (0 , 50 and100%) of the fish meal by soybean meal , with three levels of crude protein (28 , 30 and 32%) were supplied for oscar juveniles (22.42 g) during 84 days. The total replacement of fish meal by soybean meal inhibited the feed consumption and negatively affected (P<0.05) thesurvival, weight gain and condition factor. Fish fed with the diet containing only soybean meal the hepatosomatic index, intraperitoneal fat ratio, liver lipid and muscle lipid were smaller (P<0.05). The weight gain was better (P<0.05) in the fish fed with the dietcontaining 32% of crude protein. The hepatosomatic index was bigger (P<0.01) for the fish feed with the diet containing 28% of crude protein. Fish meal can be partially replaced in 50% by soybean meal. The best performance was obtained with the diet containing 32% ofcrude protein.
Cultivo de espécies alimentares em quintais urbanos de Rio Branco, Acre, Brasil
Siviero, Amauri;Delunardo, Thiago Andrés;Haverroth, Moacir;Oliveira, Luis Cláudio de;Mendon?a, ?ngela Maria Silva;
Acta Botanica Brasilica , 2011, DOI: 10.1590/S0102-33062011000300006
Abstract: home gardens are urban spaces that guarantee human interaction with elements from the natural word, and the cultivation of food plants in these gardens can be important in complementing the diet of city residents. the goal of this work was to make an assessment of the eatable food plants grown in home gardens in the city of rio branco. in 2009 and 2010, on-site interviews were carried out using a questionnaire, which recorded the plant species of each kind of food, area of the gardens and the socioeconomic factors, for 132 gardens in rio branco. the neighborhoods selected for this study, aeroporto velho, novo horizonte and placas, were located in the outskirts of the city. seventy-seven food plants were recorded, which belong to 34 plant families. of these, solanaceae (12.6%) and myrtaceae (11.3%) with 62.0% of the kinds of fruits and 38.0% of the vegetables. of the total number of plants recorded, 82.3% were exotic, 34.1% were medicinal and 18.9% were ornamental. no significant statistical association was detected between species and socioeconomic factors. non-parametric analysis of variance indicated significant differences between neighborhoods, showing that placas had a higher quantity of species. the quantity of species correlated positively in the home gardens. food plants cultivated in rio branco gardens conserve agrobiodiversity and aid in the health and well-being of the residents by improving the landscape, ambience and leisure space of the city.
Karyotype differentiation of four Cestrum species (Solanaceae) revealed by fluorescent chromosome banding and FISH
Fernandes, Thiago;Rego, Letícia do Nascimento Andrade de Almeida;Nardy, Mariana;Yuyama, Priscila Mary;Vanzela, André Luís Laforga;
Genetics and Molecular Biology , 2009, DOI: 10.1590/S1415-47572009000200019
Abstract: the karyotypes of four south american species of cestrum (c. capsulare, c. corymbosum, c. laevigatum and c. megalophylum) were studied using conventional staining, c-cma/dapi chromosome banding and fish with 45s and 5s rdna probes. the karyotypes showed a chromosome number of 2n = 2x = 16, with metacentric chromosomes, except for the eighth submeta- to acrocentric pair. several types of heterochromatin were detected, which varied in size, number, distribution and base composition. the c-cma+ bands and 45s rdna were located predominantly in terminal regions. the c-cma+/dapi+ bands appeared in interstitial and terminal regions, and the c-dapi+ bands were found in all chromosome regions. the 5s rdna sites were observed on the long arm of pair 8 in all species except c. capsulare, where they were found in the paracentromeric region of the long arm of pair 4. the differences in band patterns among the species studied here, along with data from other nine species reported in the literature, suggest that the bands are dispersed in an equilocal and non-equilocal manner and that structural rearrangements can be responsible for internal karyotype diversification. however, it is important to point out that the structural changes involving repetitive segments did not culminate in substantial changes in the general karyotype structure concerning chromosome size and morphology.
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