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Search Results: 1 - 10 of 214693 matches for " Eliene Matos e Silva "
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Immature Embryo Rescue and in Vitro Development Evaluation of Intraspecific Hybrids from Brazilian Seedless Grapevine “Superior × Thompson” Clones  [PDF]
Eiryanne Fonseca de Menezes, Eliene Matos e Silva, Adriana Mayumi Yano-Melo, Patrícia Coelho de Souza Le?o, Natoniel Franklin de Melo
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.513209
Abstract:

The fruit production for export is an economically significant activity in the Valley of S?o Francisco River, especially in the irrigated lands of Petrolina-PE/Juazeiro-BA, Brazil. The development of new genetic material most suitable to the tropical climate and the demands of the consumer market have led to the selection of new seedless grapes cultivars. In this case, the use of the embryo rescue technique has produced satisfactory results for obtaining such materials, especially in the semiarid region. This study aimed to evaluate the in vitro development of intraspecific hybrids of grapevine (Vitis vinifera L.), derived from the rescue of immature embryos resultant from the crossing of “Superior Seedless” and “Thompson Seedless” Brazilian clones. To establish and develop the cultivation, the culture media was supplemented with 30 g/L sucrose, 0.1 g/L myo-inositol, 0.002 g/L glycine, 0.1 mg/L indoleacetic acid (IAA), 6.5 g/L of agar, adjusted pH to 5.7. The experiment was evaluated after 90 days. The variables measured were: number of nodes, number of leaves, plant height (cm), number of roots and length (cm) of the root system and internodes. The period of 60 days of in vitro culture of ovules resulted in the highest values of embryos (about 50%), as well as better characterized developmental stages with higher germination (47.3%). The three types of hybrid grapes evaluated in micropropagation showed very similar values of the measured parameters, even having originated from embryos of different developmental stages.

Efectos del Monascus sobre albúmina, creatinina, urea y ácido úrico en conejos
Toledo de Oliveira,Tania; Nagem,Tanus Jorge; Matos Lopes,Renato; Machado,Hussein; Jóia de Mello,Vanessa; Queiroga de Lima,Ednaldo; da Silva Martins,Eliene;
Acta bioqu?-mica cl?-nica latinoamericana , 2005,
Abstract: the present work evaluates the action of three different doses of monascus dyes (24, 48 and 60 mg/kg) on the metabolism of albumin, urea, creatinine and uric acid in male and female rabbits. new zealand rabbits from the department of cuniculture of universidade federal de vi?osa (brazil), were used. they were ca. 55 days old at the time of the experiment and they were divided by sex, into four groups of five animals each, receiving the monascus dye in 24, 48 and 60 mg/kg doses. control group only received a ration. daily, the animals received the monascus dye in the different doses, during 28 days. blood was collected twice, being the first collection at time zero and the second one at the end of the experiment. blood was obtained from retro-orbital venous plexus and further centrifuged at 3,500 x gr. during 15 minutes. albumin, creatinine, urea and uric acid were quantified by using multiparametric biochemical analysis from biomérieux (alizé). the results showed that different doses of monascus dye did not change the levels of albumin. creatinine did not show too much variation and did not promote toxicity effects on rabbits, male or females. the same phenomenon was observed for urea and uric acid. our results showed that, in the doses used, monascus dye was innocuous for these animal's kidney and liver.
Generic Method for Merging Satellite and Historical Ground Station Data to Design Rainfall Intensity Duration Frequency (IDF) Curves in Recordless Sub-Saharian Countries  [PDF]
Jorge E. Matos
Open Journal of Modern Hydrology (OJMH) , 2018, DOI: 10.4236/ojmh.2018.84008
Abstract: The availability of long-term rainfall records is essential to conduct a serious frequency analysis in order to estimate the effective precipitation depth. The development of the process of elaboration of IDF (Intensity-Duration-Frequency) curves for a given location requires very precise data, at least with daily frequency, obtained through the use of rainfall records. The present study presents a method used to merge historical precipitation data with the latest data collected by satellite in order to perform graphs with IDF curves in places where rainfall records are scarce. The homogeneity of the data used is analyzed in order to guarantee its statistical utility and the frequency analysis was performed with the statistical distributions of Extreme Values Type I (Gumbel), Gamma, Pearson Type III and finally with Log-Pearson Type III, in order to verify which one of them applies better to the sites chosen for this analysis: the cities of Benguela and Lobito in the south of Angola. Daily rainfall data from the TRMM mission and historical daily data were used to derive the relationships between the maximum daily precipitation and the sub-daily precipitation values. From the observed daily data, techniques of disaggregation of the collected data were used, in order to generate a synthetic precipitation sequence with the extreme values in periods of time inferior to the daily one, with statistical properties similar to the registered data. Then IDF equations are established, with which the occasional storm depth is calculated for various return periods and various durations and, after them, the IDF curves are drawn for these two geographic stations.
SUBSTRATES AND MOISTURE LEVELS IN THE GERMINATION OF CABBAGE SEEDS UMEDECIMENTO E SUBSTRATOS PARA GERMINA O DE SEMENTES DE REPOLHO
Gilvaneide Alves de Azeredo,Breno Marques da Silva e Silva,Rubens Sader,Valderez Pontes Matos
Pesquisa Agropecuária Tropical , 2009, DOI: 10.5216/pat.v40i1.4010
Abstract: The availability of water for seeds is closely related to their germination, since hydration is a limiting factor for their metabolic processes. Therefore, in tests carried out in laboratory, substrate must be sufficiently moistened, in order to assure both the embryo growth and seedling formation. This research was carried out to evaluate the influence of different quantities of water, in different substrates, for cabbage (Brassica oleracea var. capitata) seeds germination. The seeds, processed with Thiran 0.1%, were obtained in shops located in Jaboticabal, S o Paulo State, Brazil. Germination tests were made in germitest rolled paper towel substrates, between and on draft paper, moistened with quantities of water equivalent to 1.0; 1.5; 2.0; 2.5; 3.0; 3.5; and 4.0 times the dry substrate weight. For each treatment, four repetitions of 50 seeds were used. The seeds were kept in a germinator, at an alternate temperature of 20-30oC, without further addition of water to the substrate. The evaluations were made on the fifth and tenth days after the experiment preparation. The results obtained revealed that the quantities of water ranging from 1.5 to 2.5 times the paper weight were favorable for seeds germination, mainly in the substrate on and between the paper, while water levels above 3.0 times the substrate weight were harmful for cabbage seeds germination in the rolled paper towel substrates and between the paper. Key-Words: Brassica oleracea var. capitata; quantity of water; seed analysis; germination test. A disponibilidade de água para sementes está diretamente relacionada com a sua germina o, uma vez que a hidrata o é fator limitante dos processos metabólicos que ocorrem na semente. Assim, em testes realizados em laboratório, o substrato deve estar suficientemente úmido, visando a garantir o crescimento do embri o e a forma o da plantula. Este trabalho foi conduzido com o objetivo de avaliar a influência de diferentes teores de água, em diferentes substratos, na germina o de sementes de repolho. As sementes, tratadas com Thiran 0,1%, foram obtidas em casas comerciais localizadas em Jaboticabal (SP). Foram conduzidos testes de germina o nos substratos rolo de papel “germitest”, entre e sobre papel “mata borr o”, umedecidos com teores de água equivalentes a 1,0; 1,5; 2,0; 2,5; 3,0; 3,5; e 4,0 vezes a massa do substrato seco. Para cada tratamento, foram empregadas quatro repe
O estilo de vida do cliente com hipertens?o arterial e o cuidado com a saúde
Teixeira, Enéas Rangel;Lamas, Alinny Rodrigues;Costa e Silva, Juliana da;Matos, Ronivaldo Menegussi de;
Escola Anna Nery , 2006, DOI: 10.1590/S1414-81452006000300004
Abstract: the goal is: to research the life history components' patient that influences the care with health. this is a quantitative research. the sample was 220 adult and elder patients in a health unit at niterói-rj. four themes were analyzed: group feature, life habit, additional behavior and emotional state. 50% of the patients were from 50 until 70 years old, 38% were more than 70 years old, 81% were feminine sex, 65% have been not completed the first degree, 54% don't practice exercises, 46% have already used tobacco, 37% have been used booze, 41% profess to be peaceful, 59% reports emotional disarrays and 27% don't practice leisure activities. the life style is fundamental to promote and maintain health quality and it necessitate job strategy in keeping with patient psychosocial aspects.
Remo??o de carga organica e produtividade da aveia forrageira em cultivo hidrop?nico com águas residuárias da suinocultura
Gomes Filho, Raimundo R.;Matos, Antonio T.;Silva, Demetrius D.;Martinez, Hermínia E.P.;
Revista Brasileira de Engenharia Agrícola e Ambiental , 2001, DOI: 10.1590/S1415-43662001000100024
Abstract: a study to quantify the productivity of forage oat and the efficiency in the removal of the organic load of swine wastewater, used in different proportions for composition of the nutritive solution for the hydroponic cultivation, was accomplished inside a shed, containing individualized systems of cultivation, in tanks of 3.20 x 0.80 m, equipped with aeration systems. the proportions of 70, 50, 30 and 10% of swine wastewater were used in the preparation of the nutritive solution, represented by values of initial electrical conductivity of 4.2, 2.8, 1.8 e 0.97 ds m-1. the oat was sown on a plastic screen inside the cultivation tanks. the concentration of dissolved oxygen, the electrical conductivity and the temperature of both the nutritive solutions and the air inside the shed were monitored daily, while samples of the solutions were collected weekly for determination of the concentration of cod and bod. a treatment was used with a conventional nutritive solution as the control. the forage oat cultivated in a hydroponic system, with the use of swine wastewater in the preparation of the nutritive solution, provided productivities of up to 31.5 t ha-1 y-1 and significant decrease of the organic load of the nutritive solution.
Estudo eletroquímico de um novo banho galvanico de zinco alcalino livre de cianetos
Silva Gecílio P. da,Freire Nacélio S.,Matos Diogo E. de,Correia Adriana N.
Química Nova , 2006,
Abstract: A systematic electrochemical study of a novel cyanide free galvanic plating solution of alkaline zinc is presented. Cell Hull tests and potentiodynamic linear polarization measurements were carried out to evaluate the influence of operational parameters, such as concentration, current efficiency and degradation of additives. The stability of the bath was assessed by a long term test during 40 h at 200 A m-2. The morphology of the coatings was characterized by scanning electron microscopy. The results showed good performance of the plating solution. The cost is similar to that of the commercial cyanide bath and lower than that of the commercial cyanide free bath.
Down Syndrome: advances and perspectives
Sócrates Bezerra de Matos,Leonardo Caires dos Santos,Ciro Silveira e Pereira,,Kleiton Silva Borges
Revista Saúde.Com , 2007,
Abstract: The Down Syndrome (DS) is a chromosomal disease characterized by expression of gene’s copy presents in chromosome 21 in triplicate. Is estimable that the incidence of DS is in the order of 1 in each 600/800 newborn babies and an average with 8000 new cases in Brazil. With basis in this information is verified that the continual need to know the natured of the individuals with Down syndrome as well the advances obtained by the science which is contributing for a larger extension in their lives. This article will expose some molecular mechanisms of DS, genetic and physiologic interactions that result in physical characters, news studies about the pre-natal diagnostic methods, therapies and treatments, besides the questions involving the social inclusion of the people with DS.
Generalized Bogoliubov Transformation for Confined Fields: Applications in Casimir Effect
J. C. da Silva,F. C. Khanna,A. Matos Neto,A. E. Santana
Physics , 2002, DOI: 10.1103/PhysRevA.66.052101
Abstract: The Bogoliubov transformation in thermofield dynamics, an operator formalism for the finite-temperature quantum-field theory, is generalized to describe a field in arbitrary confined regions of space and time. Starting with the scalar field, the approach is extended to the electromagnetic field and the energy-momentum tensor is written via the Bogoliubov transformation. In this context, the Casimir effect is calculated for zero and non-zero temperature, and therefore it can be considered as a vacuum condensation effect of the electromagnetic field. This aspect opens an interesting perspective for using this procedure as an effective scheme for calculations in the studies of confined fields, including the interacting fields.
Simultaneous monitoring of toxic metals on white poplar (populus) by SWASV
Silva, Nelson A. F.;Lopes, Maria I.;Leit?o, Ruben A. E.;Silva, Hugo F. A.;Matos, Manuel J.;
Journal of the Brazilian Chemical Society , 2005, DOI: 10.1590/S0103-50532005000700028
Abstract: square wave anodic stripping voltammetry (swasv) was applied to the simultaneous determination of trace amounts of toxic metals pb(ii), cd(ii) and cu(ii) in white poplar (populus) leaves, used as bio indicator and gathered in a chosen area of the city of lisbon with very high traffic intensity. the leaves were dried and subsequently exposed to an acid digestion microwave process. square wave parameters were optimized for the voltammetric analysis of the samples. the working electrode consisted of a thin mercury film (tmfe) deposited on the surface of vitreous carbon. the pair ag/agcl was used as the reference electrode and a pt wire as the auxiliary electrode. average concentrations (in mg of metal/kg of dry matter-leaves) of 2.6, 0.18, and 5.0 were obtained for pb(ii), cd(ii) and cu(ii), respectively. the value for lead coincides with the one obtained by the reference method based on graphite furnace atomic absorption spectrophotometry (gfaas).
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