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Search Results: 1 - 10 of 406668 matches for " Juliana M;Resende "
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Antifungal susceptibility profile of Trichosporon isolates: correlation between CLSI and etest methodologies
Lemes, Raquel M.L.;Lyon, Juliana P.;Moreira, Leonardo M.;Resende, Maria Aparecida de;
Brazilian Journal of Microbiology , 2010, DOI: 10.1590/S1517-83822010000200008
Abstract: the aim of the present study was to evaluate the antifungal susceptibility profile of trichosporon species isolated from different sources employing the clinical and laboratory standards institute (clsi) method and e-test method. thirty-four isolates of trichosporon spp. and six cbs reference samples were tested for their susceptibility to amphotericin b, 5-flucytosine, fluconazole, itraconazole, voriconazole and terbinafine. all species showed high minimun inhibitory concentrations (mic) for itraconazole and susceptibility to fluconazole, the comparison among the results obtained by the clsi method and e-test revealed larger discrepancies among 5-flucytosine and itraconazole. the present work provides epidemiological data that could influence therapeutic choices. furthermore, the comparison between different methodologies could help to analyze results obtained by different laboratories.
Use of Essential Oils of the Genus Citrus as Biocidal Agents  [PDF]
Marcos S. Gomes, Maria das G. Cardoso, Maurilio J. Soares, Luís R. Batista, Samísia M. F. Machado, Milene A. Andrade, Camila M. O. de Azeredo, Juliana Maria Valério Resende, Leonardo M. A. Rodrigues
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.53041
Abstract:


In this study, the essential oils extracted from the peels of Citrus aurantifolia, Citrus limon and Citrus sinensis were chemically characterized and quantified. These essential oils and their standards limonene, citral and limonene + citral were evaluated (at concentrations ranging from 500 to 3.91 mL·mL-1) regarding their anti-trypanosome, antifungal and antibacterial activities. The chemical identification and quantification (by GC/FID and GC/MS) displayed the limonene as the major component of the three essential oils. It did not verified anti-trypanosome activity for all treatments. Regarding antimicrobial activity, the results were satisfactory against Gram-negative bacteria (Staphylococcus aureus, Listeria. monocytogenes and Salmonella cholerasuis) and funghi

Candida albicans: genotyping methods and clade related phenotypic characteristics
Lyon, Juliana P.;Moraes, Karen C.M.;Moreira, Leonardo M.;Aimbire, Flávio;Resende, Maria Aparecida de;
Brazilian Journal of Microbiology , 2010, DOI: 10.1590/S1517-83822010000400003
Abstract: several molecular methods, such as southern blotting hybridization, multilocus sequence typing, and dna microsatellite analysis, have been employed to genotype candida albicans. the genotype analysis allows to group strains in clades, that is, a group composed of one ancestor and its descendants. these genotype studies demonstrate that clades distribution is influenced by geographic area as well as that antifungal resistance is associated with particular clades. these findings suggested that c. albicans reproduces mainly in a clonal manner, with certain degree of dna microevolution. additionally, virulence factors and site of isolation have also been associated with clade specificity. the present article is a brief review about the methods used for candida genotyping and the correlated clade systems established. special emphasis is given to ca3 hybridization, mlst, and microsatellites. the present work is also focused on the phenotypic and physiological traits associated with candida clades.
Diversidade de Coccinellidae (Coleoptera) em plantas aromáticas (Apiaceae) como sítios de sobrevivência e reprodu??o em sistema agroecológico
Lixa, Alice T;Campos, Juliana M;Resende, André L S;Silva, Joice C;Almeida, Maxwell M T B;Aguiar-Menezes, Elen L;
Neotropical Entomology , 2010, DOI: 10.1590/S1519-566X2010000300007
Abstract: studies show that apiaceae may provide concentrated vital resources for predator insects, stimulating their abundance, diversity and persistence in agricultural systems, thereby increasing their efficiency as biological control agents. among the predatory insects, coccinellidae (coleoptera) on many different species both as larvae and adults, complementing their diet with pollen and/or nectar. this study aimed to determine the diversity and relative abundance of coccinellidae species visiting plants of anethum graveolens (dill), coriandrum sativum (coriander) and foeniculum vulgare (sweet fennel) (all apiaceae), particularly in their blooming seasons, and to evaluate the potential of these aromatic species for providing the resources for survivorship and reproduction of coccinelids. coccinellids were collected by removal of samplings from september to october, 2007. besides one unidentified species of chilocorinae, five species of coccinellinae were collected: coleomegilla maculata degeer, coleomegilla quadrifasciata (sch?nherr), cycloneda sanguinea (l.), eriopis connexa (germar) and hippodamia convergens guérin-meneville. dill provided a significant increase in the abundance of coccinellids as compared to coriander and sweet fennel. these aromatic species were used by coccinellids as survival and reproduction sites, providing food resources (pollen and/or prey), shelter for larvae, pupae and adults, and mating and oviposition sites as well.
Ultrasound imaging in an experimental model of fatty liver disease and cirrhosis in rats
Andréia S Lessa, Bruno D Paredes, Juliana V Dias, Adriana B Carvalho, Luiz Quintanilha, Christina M Takiya, Bernardo R Tura, Guilherme FM Rezende, Antonio Campos de Carvalho, Célia MC Resende, Regina CS Goldenberg
BMC Veterinary Research , 2010, DOI: 10.1186/1746-6148-6-6
Abstract: Forty Wistar rats (30 treated, 10 controls) were included. Liver injury was induced by dual exposure to CCl4 and ethanol for 4, 8 and 15 weeks. Liver echogenicity, its correlation to the right renal cortex echogenicity, measurement of portal vein diameter (PVD) and the presence of ascites were evaluated and compared to histological findings of hepatic steatosis and cirrhosis. Liver echogenicity correlated to hepatic steatosis when it was greater or equal to the right renal cortex echogenicity, with a sensitivity of 90%, specificity of 100%, positive and negative predictive values of 100% and 76.9% respectively, and accuracy of 92.5%. Findings of heterogeneous liver echogenicity and irregular surface correlated to liver cirrhosis with a sensitivity of 70.6%, specificity of 100%, positive and negative predictive values of 100% and 82.1% respectively, and accuracy of 87.5%. PVD was significantly increased in both steatotic and cirrhotic rats; however, the later had greater diameters. PVD cut-off point separating steatosis from cirrhosis was 2.1 mm (sensitivity of 100% and specificity of 90.5%). One third of cirrhotic rats presented with ascites.The use of ultrasound imaging in the follow-up of murine diffuse liver disease models is feasible and efficient, especially when the studied parameters are used in combination. The potential implication of this study is to provide a non-invasive method that allows follow-up studies of fatty liver disease and cirrhosis of individual rats for pre-clinical drug or cell based therapies.Domestic dogs and cats are very well known to develop chronic hepatic diseases. Hepatic lipidosis (HL) or fatty liver is an important liver disease in cats. It is characterized by excess fat accumulation in the liver and seems to have no age, breed, or gender predilection [1,2]. HL is more common in obese or previously obese cats which have undergone brief periods of anorexia or food deprivation [3]. Obesity in cats has been described as the most prev
Efeito de nutrientes combinados com indutores de resistência na prote??o contra a vassoura-de-bruxa no cacaueiro
Silva, Iris Lettiere do Socorro Santos da;Resende, Mário Lúcio Vilela de;Ribeiro Júnior, Pedro Martins;Costa, Jo?o de Cássia do Bomfim;Camilo, Fabrício Rabelo;Baptista, Juliana C.;Salgado, S?nia Maria de Lima;
Ciência e Agrotecnologia , 2008, DOI: 10.1590/S1413-70542008000100009
Abstract: aiming at improving the level of induction of resistance in cocoa, various nutrients, acibenzolar-s-methyl (asm) and their combination were tested on cocoa seedlings, clone sic-23, 30 days before inoculation. the commercial products supa-potássio? (potassium silicate), hortifós? pk (potassium phosphite) and broadacre? mn (manganese sulfate) were sprayed at doses of 2.5, 5.0 ml and 10.0 ml per liter of water, combined or not, with asm? (0.2 g/l). the experiment was set in a randomized block design, in a factorial scheme, with four replicates of twelve plants each. disease incidence was assessed 60 days after inoculation. only asm promoted significant control of the disease. nutrients alone had no effect on disease incidence. on the other hand, the protective effect of asm disappeared when this product was mixed to supa-potássio at 5 or 10 ml/l.
Detection of the Influenza A(H1N1)pdm09 Virus Carrying the K-15E, P83S and Q293H Mutations in Patients Who Have Undergone Bone Marrow Transplant
Milene Mesquita, Paola Resende, Andressa Marttorelli, Viviane Machado, Carolina Q. Sacramento, Natalia Fintelman-Rodrigues, Juliana L. Abrantes, Rita Tavares, Marcelo Schirmer, Marilda M. Siqueira, Thiago Moreno L. Souza
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0094822
Abstract: The 2009 pandemic influenza A(H1N1)pdm09 virus emerged and caused considerable morbidity and mortality in the third world, especially in Brazil. Although circulating strains of A(H1N1)pdm09 are A/California/04/2009-like (CA-04-like) viruses, various studies have suggested that some mutations in the viral hemagglutinin (HA) may be associated with enhanced severity and fatality. This phenomenon is particularly challenging for immunocompromised individuals, such as those who have undergone bone marrow transplant (BMT), because they are more likely to display worse clinical outcomes to influenza infection than non-immunocompromised individuals. We studied the clinical and viral aspects of post-BMT patients with confirmed A(H1N1)pdm09 diagnosis in the largest cancer hospital in Brazil. We found a viral strain with K-15E, P83S and Q293H polymorphisms in the HA, which is presumably more virulent, in these individuals. Despite that, these patients showed only mild symptoms of infection. Our findings complement the discovery of mild cases of infection with the A(H1N1)pdm09 virus with the K-15E, P83S and Q293H mutations in Brazil and oppose other studies that have linked these changes with increased disease severity. These results could be important for a better comprehension of the impact of the pandemic influenza in the context of BMT.
Produ??o de pepino para conserva na regi?o Norte de Minas Gerais
Resende, Geraldo M. de;
Horticultura Brasileira , 1999, DOI: 10.1590/S0102-05361999000100016
Abstract: the experiment was carried out at the gorutuba experimental station, in the porteirinha county, minas gerais state, from august to october, 1988. the purpose of this study was to identify the highest yielding pickling cucumber cultivars. the experiment was laid out in a complete randomized block design, with ten cultivars (col?nia, guaíra, ginga ag-77, indaial, itapema, levina, pérola, primepak, score, and tamor) as treatments, and four replications. experimental plots consisted of four 6 m rows, with spaces of 1.00 x 0.30 m. cultivars indaial (29.72 t.ha-1), score (26.46 t.ha-1), col?nia (26.43 t.ha-1), and ginga ag-77 (26.12 t.ha-1) showed the significantly highest yields. considering the number of fruits per plant, cultivars indaial (7.72 fruits), col?nia (7.40), ginga ag-77 (7.40), score (6.94), and tamor (6.68) showed statistically the best performance. cultivars ginga ag-77 (77.96%), levina (75.71%), and tamor (73.58%) had the significantly highest proportions of commercial fruits in class i, i.e., with lenght between 6 and 9 cm, and the highest commercial value. all cultivars, from sowing to last harvest, had a cycle between 76 and 82 days.
Características produtivas de cultivares de batata-doce sob condi??es irrigadas e de sequeiro na regi?o norte de Minas Gerais
Resende, Geraldo M. de;
Horticultura Brasileira , 1999, DOI: 10.1590/S0102-05361999000200015
Abstract: two experiments were carried out at the gorutuba experimental field, porteirinha-mg, brazil, from november 1990 to april 1991, to evaluate sweet potato cultivars under irrigated and dryland conditions. the experimental design was a complete randomised block with eight cultivars (brazlandia branca, brazlandia rosada, brazlandia roxa, coquinho, princesa, arroba, rama roxa and paulistinha) and five replications. under irrigated conditions, the cultivars brazlandia branca showed the highest yield (22.3 t/ha) followed by paulistinha (21.3 t/ha) and princesa (19.0 t/ha) with no significant differences among them. the cultivar brazlandia roxa showed the lowest yield (13.5 t/ha) as well as the highest non-commercial yield (7.2 t/ha). mean root weight under irrigation, varied from 219.9 g (brazlandia roxa) to 337.6 g (brazlandia rosada). under dryland conditions, the cultivar paulistinha showed the highest yield (17.6 t/ha), followed by princesa (12.3 t/ha), brazlandia branca (10.9 t/ha) and rama roxa (10.2 t/ha), with no significant differences among the last three cultivars. the lowest commercial yield (8.2 t/ha) and the highest non-commercial yield (6.9 t/ha) were showed by the cultivar brazlandia roxa. root mean weight under dryland conditions varied from 124.4 g (brazlandia roxa) to 249.9 g (paulistinha).
Características produtivas de cultivares de batata-doce em duas épocas de colheita, em Porteirinha - MG
Resende, Geraldo M. de;
Horticultura Brasileira , 2000, DOI: 10.1590/S0102-05362000000100016
Abstract: with the objective of evaluating sweet potato cultivars under different harvest periods, one experiment was carried at the gorutuba experimental field, porteirinha-mg, brazil, from november 1990 to june 1991. the experimental design was a randomized complete block in a 5x2 factorial arrangement with four replications. the first factor consisted of five cultivars (brazlandia branca, brazlandia rosada, brazlandia roxa, princesa and paulistinha) and the second one of two harvest times (150 and 200 days after planting). for the harvest at 150 days after planting, the cv. brazlandia branca yielded 62.7% more (22.84 ton/ha), than the cv. brazlandia roxa (14.44 ton/ha). for the harvest at 200 days after planting, the cv. paulistinha had the highest yield (54.50 ton/ha), and cv. brazlandia rosada had the lowest yield, 55.0% less productive than the cv. paulistinha. the cv. brazlandia roxa showed the highest non-commercial yield of 7.76 and 12.38 ton/ha, respectively, for the harvests at 150 and 200 days after planting. the mean root weight, renged from 220.12 to 504,95 g, and all the cultivars showed higher percentage of big roots (400-800 g/root) when harvested later. cv. paulistinha, brazlandia rosada and brazlandia branca can be harvested 150 days after planting. cv. princesa can be harvested at 150 days of planting extended up to 200 days due to its lowest yield of big roots. cv. brazlandia roxa, harvested at 200 days after planting, had the best performance.
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