oalib

Publish in OALib Journal

ISSN: 2333-9721

APC: Only $99

Submit

Any time

2020 ( 8 )

2019 ( 841 )

2018 ( 1102 )

2017 ( 1031 )

Custom range...

Search Results: 1 - 10 of 682511 matches for " Júlio A.;Oliveira "
All listed articles are free for downloading (OA Articles)
Page 1 /682511
Display every page Item
Drinking Water as Iron Carrier for the Prevention of Iron Deficiency Anemia: The Brazilian Experience  [PDF]
Jose E. Dutra-de-Oliveira, Júlio S. Marchini, Joel Lamounier, Carlos A. N. de Almeida
Journal of Water Resource and Protection (JWARP) , 2013, DOI: 10.4236/jwarp.2013.59086
Abstract:

On a global base, estimated 2 billion people are iron deficient and/or anemic with small children and child bearing age most likely to be the ones affected. These high levels of world anemia prevalence have been maintained and even growing in spite of the global and national food fortification programmes carried out in several places. These have been based on the iron fortification of local foods. In Brazil a wheat flour iron fortification program has been going on for several years and the anemia prevalence has been going on as a still large public health problem. We started since the nineties and in several under five day care centers, in various part of Brazil a new program using drinking water as the iron carrier for the prevention of iron deficiency anemia. It was shown through several studies in different places in Brazil that drinking water being available everywhere, daily consumed by everyone, children, adults and old people have shown to be effective for the prevention of iron anemia. Iron salts are low-priced, water soluble, effective, easily and locally prepared, should be known and accepted as a rational, practical and effective locally community preventive solution for iron anemia, still a great problem of our developing and underdeveloped countries of the world.

Reproductive behavior of Leptodactylus mystacinus (Anura, Leptodactylidae) with notes on courtship call of other Leptodactylus species
Oliveira Filho, Júlio C. de;Giaretta, Ariovaldo A.;
Iheringia. Série Zoologia , 2008, DOI: 10.1590/S0073-47212008000400015
Abstract: here we present data on the reproductive behavior of leptodactylus mystacinus (burmeister, 1861), including details on courtship behavior. we also describe and compared the courtship calls of l. mystacinus, l. furnarius sazima & bokermann, 1978 and leptodactylus sp. (l. aff. andreae). field works were conducted in uberlandia (central brazil). during courtship, a female approaches a calling male and is led to a previously excavated chamber; a female can approach a silent male that beat his hands and/or feet on the ground as well. the courtship call of l. mystacinus consists of one single arch-shaped note (duration = 0.04 s) repeated 258 times per minute; the courtship calls of l. furnarius (0.06 s, 84 times per minute) and leptodactylus sp. (0.15 s, 5 times per minute) also are arch-shaped. the courtship behavior of l. mystacinus is similar to that of other species of the l. fuscus (schneider, 1799) group; unique to it is that males can beat his hands and/or feet on the ground while courting. the male behavior of conducting the female to a previously excavates chamber and the arch-shaped courtship call may represent other shared derived features of members of the l. fuscus group, including the former adenomera species.
The Evaluation of Bioremediation Potential of a Yeast Collection Isolated from Composting  [PDF]
Bianca Trama, Jo?o Daniel Santos Fernandes, Geórgia Labuto, Júlio Cézar Franco de Oliveira, Cristina Viana-Niero, Renata C. Pascon, Marcelo A. Vallim
Advances in Microbiology (AiM) , 2014, DOI: 10.4236/aim.2014.412088
Abstract: The influence of xenobiotic compounds on environment and on living organisms has been reported as an imminent public health problem. Among them we can list the contamination by Alkanes present in petroleum, hydrocarbons and organic contaminant substances from industrial effluents. Also, heavy metals are of particular interest because of their persistence in the environment contaminating the food webs. Among the innovative solutions for treatment of contaminated water and soil is the use of biological materials like living or dead microorganisms. Yeasts exhibit the ability to adapt to extreme condition such as temperature, pH and levels of organic and inorganic contaminants that make them a potential material to be used to remediate contaminated environment application. The goal of this work was to search for yeast isolates capable to use n-hexadecane (alkane hydrocarbon) as a primary carbon source and for those able to tolerate high concentration of lead (Pb) within a collection of 90 isolates obtained from the Sao Paulo Zoo composting system. The isolated yeast strains were identified by mass spectrometry (MALDI-TOF-MS) and by sequencing of the ribosomal DNA (18S and D1/D2) conserved regions. We found that the collection bares 23 isolates capable of utilizing n-hexadecane and one which is able to tolerate high concentration of lead (Pb) with a high biosorption index compared to the reference yeast strains (BY4742, PE-2, CAT-1 and BG-1). These results confirm the initial hypothesis that the Sao Paulo Zoo composting is the source for diverse yeasts species with biotechnological application potential.
Nematóides do Brasil. Parte IV: nematóides de aves
Vicente, Joaquim Júlio;Rodrigues, Henrique de Oliveira;Gomes, Delir Corrêa;Pinto, Roberto Magalh?es;
Revista Brasileira de Zoologia , 1995, DOI: 10.1590/S0101-81751995000500001
Abstract: a survey of nematode species parasitizing brazilian birds is presented, with enough data to provide their specific identification. the first section refers to the survey of the species, related to 17 superfamilies, 23 families, 75 genera and 257 species that are illustrated and measurement tables are given. the second section is concerned to the catalogue of host birds which includes 54 families. 361 species. and their respective parasite nematodes. the identification of these helminths is achieved by means of keys to the superfamilies. families and genera. specific determination is induced through the figures and tables as above mentioned.
Nematóides do Brasil. Parte III: nematóides de répteis
Vicente, Joaquim Júlio;Rodrigues, Henrique de Oliveira;Gomes, Delir Corrêa;Pinto, Roberto Magalh?es;
Revista Brasileira de Zoologia , 1993, DOI: 10.1590/S0101-81751993000100003
Abstract: a survey of nematode species parasizing brazilian reptiles is presented, with data enough to provide their specific identification. the first section refers to the catalogation of the species, related to 127 superfamilies, 23 families, 55 genera and 121 species that are figured and included in measurement tables. the second section is concerned to the catalogue of host reptiles, with 16 families, and 90 species and their respective parasite nematodes. the identification of these helminths is achieved by means of keys to the superfamilies, families and genera. specific determination is induced through the figures and tables as above mentioned.
Nematóides do Brasil. Parte V: nematóides de mamíferos
Vicente, Joaquim Júlio;Rodrigues, Henrique de Oliveira;Gomes, Delir Corrêa;Pinto, Roberto Magalh?es;
Revista Brasileira de Zoologia , 1997, DOI: 10.1590/S0101-81751997000500001
Abstract: a survey of nematode species parasitizing brazilian mammals is presented, with enough data to provide their specific identification. the tirst section refers to the survey ofthe species, related to 21 superfamilies, 45 families, 160 genera and 495 species that are illustrated and measurement tables are given. the second section is concerned to the catalogue ofhost mammals which includes 34 families, 176 species and their respective parasite nematodes. the identification of these helminths is achieved by means of keys to the superfamilies, families and genera. specific determination is induced through the figures and tables as above mentioned.
Parcelamento do fertilizante fosfatado no algodoeiro em sistema de cultivo irrigado e de sequeiro
Aquino, Leonardo A.;Berger, Paulo G.;Oliveira, Rubens A.;Neves, Júlio C. L.;Lima, Tricia C.;Batista, Carlos H.;
Revista Brasileira de Engenharia Agrícola e Ambiental , 2011, DOI: 10.1590/S1415-43662011000500005
Abstract: the objective was to evaluate the application of phosphorus doses in parcels in the cotton crop in the systems of cultivation under irrigation and rainfed, being aimed the higher efficiency of phosphate fertilization, in comparison to the traditional application, only at sowing. the experiment was carried out in quartzanic neossoil, in the north region of minas gerais. the adopted design was randomized blocks, with three replicates. the treatments were the doses of 50 and 120 kg ha-1 of p2o5 applied in four ways: ps, p1, p2 and p3 [100/0; 75/25; 50/50; 25/75% of the dose of phosphate fertilizer applied, respectively at the sowing and at 35 days after the emergence (dae)], in the irrigated and rainfed crops. two additional treatments, without p, in the crop without and with irrigation, completed the eighteen studied treatments. the increase of the p doses increased the dry mass of aerial part and the number of reproductive structures at 80 dae, the relative efficiency of the phosphate fertilization and the productivity of cotton in bull. the response to p doses occurred only under irrigation. the parceled application of the phosphate fertilizer did not increase the efficiency of the fertilization in the cotton farm in quartzanic neossoil.
Antiviral activities of plants occurring in the state of Minas Gerais, Brazil: Part 2. Screening Bignoniaceae species
Brand?o, Geraldo Célio;Kroon, Erna G.;Santos, Jo?o Rodrigues dos;Stehmann, Jo?o Renato;Lombardi, Júlio A.;Oliveira, Alaíde Braga de;
Revista Brasileira de Farmacognosia , 2010, DOI: 10.1590/S0102-695X2010005000035
Abstract: ethanol extracts of eighteen bignoniaceae species have been evaluated by the mtt assay for cytotoxicity in vero cells and for antiviral activity against human herpes virus type 1, vaccinia virus and murine encephalomyocarditis virus. among such species, seven are reported to be of traditional medicinal use no cytotoxicity was observed for most of the extracts up to the concentration of 500 μg/ml. fourteen (50%) of the 28 extracts assayed have disclosed antiviral activity with ec50 values in the range of 4.6+0.3 to 377.2+17.7 μg/ml. only two species, arrabidaea samydoides and callichlamys latifolia, have shown activity against all the three viruses. the extracts were chemically characterized by their tlc and hplc-dad profiles. mangiferin is the major constituent of a. samydoides but the isolated compound has been less active than the crude extract. this is the first report on the antiviral evaluation of the eighteen bignoniaceae species assayed.
Avalia??o das condi??es ambientais no laboratório de anatomia patológica de um hospital universitário no município do Rio de Janeiro
Franklin, Sheila de Lira;Bettini,a Regina;Mattos, Ubirajara Aluizio de Oliveira;Fortes, Júlio Domingos Nunes;
Jornal Brasileiro de Patologia e Medicina Laboratorial , 2009, DOI: 10.1590/S1676-24442009000600005
Abstract: background: in pathological anatomy laboratories, there are several kinds of environmental and occupational hazards, which can be associated with work accidents and occupational diseases. objectives: to identify and assess work process risks in order to raise workers' awareness. methods: it was carried out an investigation into work processes, flow of services, equipment, site, products, materials, residues, work teams and workers' activities. subsequently, the agents were assessed and the graphic representation of the risk map was developed. results: the presence of chemical, physical, biological and accidental risks and ergonomic inadequacies were observed. conclusion: biological and chemical agents were identified as the main risks in the work process. furthermore, the necessity of refurbishment and additional investments in the purchase of individual and collective protection equipment was noticed. the adherence to biosecurity protocols and the introduction of continuing education programs are invaluable to reduce occupational and environmental hazards.
Species richness, relative abundance, and habitat of reproduction of terrestrial frogs in the Triangulo Mineiro region, Cerrado biome, southeastern Brazil
Giaretta, Ariovaldo A.;Menin, Marcelo;Facure, Kátia G.;Kokubum, Marcelo N. de C.;Oliveira Filho, Júlio C. de;
Iheringia. Série Zoologia , 2008, DOI: 10.1590/S0073-47212008000200002
Abstract: based on field observations and pitfall sampling, we determined the species richness, relative abundance, and reproductive habitat of terrestrial frogs in three municipalities in the triangulo mineiro region, south cerrado biome, in southeastern brazil. we found thirty-two species of terrestrial frogs, belonging to the families brachycephalidae, bufonidae, cycloramphidae, dendrobatidae, leiuperidae, leptodactylidae and microhylidae. most of the species were found in open areas and reproduced in human-generated environments, such as artificial lakes (10 species) and ponds (14 species). dominance was high, with physalaemus cuvieri fitzinger, 1826 (leiuperidae) representing 48% of sampled frogs. a larger number of individuals was captured in the wet season, when most of the species were reproducing. compared to other areas of cerrado biome, the triangulo mineiro sites presented a larger number of species, which may be attributed to the larger sampled area and greater sampling effort, lower altitude and presence of human generated habitats. the richness of terrestrial frogs was also larger than that in some forested localities in southeastern brazil, indicating that the number of species cannot be explained only by precipitation and type of vegetation cover. the greater abundance of individuals during the wet season may be related to a greater movement of adults to breeding sites and to juvenile recruitment/dispersion. the heterogeneity of environments in the cerrado biome, including its several isolated highlands, contributes to its high (local and regional) diversity of frogs.
Page 1 /682511
Display every page Item


Home
Copyright © 2008-2017 Open Access Library. All rights reserved.