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Porto Velho, Brazil

Paul S.,Federal University of Santa Maria | Kuniyoshi I.,Faculdade Sao Lucas
18th International Congress on Sound and Vibration 2011, ICSV 2011

Noise pollution is a considerable problem affecting negativly the quality of life of a large portion of people worldwide. For many noise problems technical solutions have been developed over the time and are ready to be implemented. Additionally proper education on noise is known to avoid or at least reduce environmental problems. Noise awareness campaigns can help to match the aim of reducing noise pollution and to increase quality of people affected by noise in many ways. One of such campaigns is the International Noise Awareness Day, celebrated every year in april. While the campaign exists internationally for 15 years now it has begun only in 2008 in Brazil, with the aid of the Brazilian Society of Acoustics SOBRAC and the Brazilian Academy of Audiology ABA. The campaign is orientated by the guidelines of the Center for the Hard of Hearing and the actions developed by the German "Tag gegen den Läarm", which is organized by the German Acoustical Society. The present article will review the development of the campaign in Brazil, the guiding principles of the Brazilian campaign, its modifications according to possibilities and necessities in Brazil, and some key actions developed within the last years. Copyright © (2011) by the International Institute of Acoustics & Vibration. Source

Lima-Junior J.C.,Laboratorio Of Imunoparasitologia | Rodrigues-da-Silva R.N.,Laboratorio Of Imunoparasitologia | Pereira V.A.,Laboratorio Of Imunoparasitologia | Storer F.L.,Faculdade Sao Lucas | And 5 more authors.
Memorias do Instituto Oswaldo Cruz

The haematological changes and release of soluble mediators, particularly C-reactive protein (CRP) and nitric oxide (NO), during uncomplicated malaria have not been well studied, especially in Brazilian areas in which the disease is endemic. Therefore, the present study examined these factors in acute (day 0) and convalescent phase (day 15) patients infected with Plasmodium falciparum and Plasmodium vivax malaria in the Brazilian Amazon. Haema- tologic parameters were measured using automated cell counting, CRP levels were measured with ELISA and NO plasma levels were measured by the Griess reaction. Our data indicate that individuals with uncomplicated P. vivax and P. falciparum infection presented similar inflammatory profiles with respect to white blood cells, with high band cell production and a considerable degree of thrombocytopaenia during the acute phase of infection. Higher CRP levels were detected in acute P. vivax infection than in acute P. falciparum infection, while higher NO was detected in patients with acute and convalescent P. falciparum infections. Although changes in these mediators cannot predict malaria infection, the haematological aspects associated with malaria infection, especially the roles of platelets and band cells, need to be investigated further. Source

Da Rosa J.A.,Sao Paulo State University | Rocha C.S.,Sao Paulo State University | Gardim S.,Sao Paulo State University | Pinto M.C.,Sao Paulo State University | And 13 more authors.

We present here a multisource approach that takes advantage of several disciplines to address a taxonomic issue. A triatomine related to Rhodnius robustus Larrousse, 1927 was recently found in the state of Rondônia, Brazil. The name Rhodnius montenegrensis n. sp. is suggested because it was found in the municipality of Monte Negro. The main differences between these two species can be detected in the female and male genitalia, but there are also noticeable differences in their eggs. Molecular analysis using PCR-RFLP technique and Bayesian inferences based on a fragment of the Cytochrome b (Cyt b) gene corroborated the morphological findings. We used this integrative approach to address the taxonomic decision for a new Rhodnius species and its relationship with others of this genus. Results obtained herein stress that morphology must be used as the major approach for obtaining phenotypic information, and molecular data should be taken as a complementary tool. Copyright © 2012 Magnolia Press. Source

dos Santos M.R.A.,Embrapa Rondonia | Ferreira M.D.G.R.,Embrapa Rondonia | de Oliveira Correia A.,Federal University of Rondonia | da Rocha J.F.,Faculdade Sao Lucas
Revista Caatinga

Bactris gasipaes is an important Amazonian culture as the main source of hearts of palm. Techniques of plant tissue culture are promising tools in breeding programs of this culture. The objective of this study was to develop protocols for the in vitro establishment and callus induction in Bactris gasipaes shoot tips. Shoots were collected from young plantlets of B. gasipaes, which were disinfected with NaOCl 0.63, 1.25 and 1.88% (v/v), for 10, 20 and 30 minutes. After that, shoot tips were removed and inoculated in MS medium with factorial combinations of the growth regulators 2,4-D (0.0; 5.0; 10.0; 20.0 and 40.0 mg.L-1) and BA (0.0; 3.0 and 6.0 mg.L-1). The experimental design was entirely randomized, replicated three times with ten tubes containing one explant per plot. The disinfection was efficient for 20 minutes of immersion in NaOCl 1.25%, which resulted in 90% of explants without contamination and low oxidation. The greater callogenesis percentage was of 60%, reached at 10.0 mg.L-1 2,4-D and 3.0 mg.L-1 BA combination. Source

Basano S.D.A.,Secretaria de Saude do Estado de Rondonia | Fontes G.,Federal University of Sao Joao del Rei | Medeiros J.F.,Fundacao Oswaldo Cruz | Camargo J.S.D.A.A.,Faculdade Sao Lucas | And 7 more authors.
American Journal of Tropical Medicine and Hygiene

Therapy for mansonelliasis is challenging because there is no standard drug recommended for its treatment. This non-randomized study was conducted to evaluate the effectiveness of a single dose of 0.15 mg/kg of ivermectin to reduce Mansonella ozzardi microfilaraemia in infected persons. A total of 74 patients were studied within the municipality of Lábrea, which is located in Amazonas State, Brazil. The patients were treated with ivermectin after detection of the parasite by blood examination. Significant microfilaraemia reduction was observed and its residual effect was maintained for at least 12 months. There was no significant change in the laboratory blood count, hepatic metabolites, and nitrogen-bounding compound excreta dosage values that could compromise the use of this drug, demonstrating that ivermectin has a low toxicity level. Copyright © 2014 by The American Society of Tropical Medicine and Hygiene. Source

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