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Institution

Universidade Positivo

EducationCuritiba, Brazil
About: Universidade Positivo is a education organization based out in Curitiba, Brazil. It is known for research contribution in the topics: Population & Biodiversity. The organization has 1290 authors who have published 1237 publications receiving 9335 citations. The organization is also known as: Positive University.


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Journal ArticleDOI
TL;DR: The conclusion was that the use of both drugs in therapeutic doses caused significant increase in the plasma urea level, which was considered equivalent between the groups in all periods.
Abstract: This study evaluated the renal function of rats subjected to treatment with meloxicam (ME) and flunixin meglumine (FM). Sixty six Wistar rats were divided into three groups (n=22). The control group received physiological solution, while the groups treated with ME and MF received two subcutaneous doses of 2 and 1.1 mg/kg of the medication, respectively. All animals were subjected to the collection 2 ml of blood at the beginning and end of the study to further detect the levels of urea and creatinine. Double-factor ANOVA test was applied on these data using a significance level ≤ 0.05. The conclusion was that the use of both drugs in therapeutic doses caused significant increase in the plasma urea level. The values of the plasma creatinine were considered equivalent between the groups in all periods.

1 citations

Journal ArticleDOI
TL;DR: In this paper, a trabalho visou avaliar a qualidade de agua do rio Tibagi, localizado no Estado do Parana, antes da construcao da usina hidreletrica de Maua.
Abstract: Ecossistemas afetados pela formacao de reservatorios passam por monitoramentos compulsorios antes, durante e apos a construcao do empreendimento. Esses programas de monitoramento geram extensas matrizes de dados, que visam atender as condicionantes de licenciamento ambiental, bem como a gestao do recurso hidrico. No intuito de gerar informacoes que propiciem o gerenciamento de recursos hidricos, o presente trabalho visou avaliar a qualidade de agua do rio Tibagi, localizado no Estado do Parana, antes da construcao da usina hidreletrica de Maua. Foram utilizados dados de quatro das oito estacoes do Programa de Monitoramento das Condicoes Limnologicas do rio Tibagi, descrito no Plano Basico Ambiental da referida usina. Os dados selecionados compreenderam o periodo entre dezembro/2009 e abril/2012. Apos o tratamento dos dados por meio de Analise Fatorial foram avaliados os fatores descritores da qualidade de agua, visando a caracterizacao das aguas na regiao do empreendimento. Em todas as estacoes monitoradas, exceto em MA_04 (jusante), o fator 1 foi composto pelas variaveis: transparencia da agua, fosforo total, solidos totais, turbidez e coliformes termotolerantes, sendo entao denominado fator antropogenico. A presenca da variavel coliformes termotolerantes na composicao do fator e um indicativo comum de poluicao a partir de esgotos domesticos nao tratados. O mesmo nao ocorreu para a estacao MA_04, onde a variavel coliformes termotolerantes nao esteve presente, indicando assim, que nesta estacao de monitoramento, a agua passa a apresentar uma condicao de melhor qualidade. O fator 2 foi caracterizado pela produtividade primaria.

1 citations

Journal ArticleDOI
08 Mar 2013
TL;DR: O presente trabalho demonstra por meio de um caso clinico, a associacao da ortodontia, periodontia e dentistica no restabelecimento do sorriso as discussed by the authors.
Abstract: Alguns casos clinicos sao mais complexos que a media. Nessas situacoes, uma abordagem multidisciplinar e fundamental. Ma posicao dentaria e margem gingival sem um contorno adequado, normalmente, apresentam problema estetico e functional. Assim, um tratamento ortodontico e periodontal para adequacao previa e fundamental para o sucesso do tratamento reabilitador. Alem disso, cuidados e paciencia durante todo o tratamento sao essenciais tanto por parte do profissional como por parte do paciente. Recentemente, os laminados cerâmicos tem sido amplamente utilizados em dentes anteriores. Adicionalmente, esse tratamento tem sido mais conservador quando comparodo as coroas totais. Portanto, o presente trabalho demonstra por meio de um caso clinico, a associacao da ortodontia, periodontia e dentistica no restabelecimento do sorriso.

1 citations

Journal ArticleDOI
TL;DR: The use of H2O2, the silane application or the combination of these two treatments significantly increased bond strength values in groups in which the universal adhesive was used.
Abstract: Aim: This study aims to evaluate the effect of different surface treatments on the bond strength of glass fiber posts. Methods: Ninety unirradicular premolars had their crowns removed and were endodontically treated. After 24h, post spaces were prepared and the roots (n=15) were divided into six groups according to the post surface treatment: NT – no treatment, UA – universal adhesive (Single Bond Universal), SUA – silane (Prosil), followed by universal adhesive, H – H2O2 (Whitness HP Maxx, 35%, gel, 1 min), HUA – H2O2, followed by universal adhesive, and HSUA – H2O2, followed by silane and universal adhesive. The posts were cemented with dual– cured resin cement (RelyX Ultimate). Bond strength was evaluated with pull–out test (0.5 mm/mim) after 24h–storage in distilled water at 37oC. Data were submitted to ANOVA and Tukey’s test (α=5%). Results: HSUA group showed the highest bond strength value (236.5 N) followed by HUA (206.5 N), NT (194 N) and SUA (184 N) groups. UA group showed the lowest bond strength value (60 N). Conclusion: The use of H2O2, the silane application or the combination of these two treatments significantly increased bond strength values in groups in which the universal adhesive was used. A simplified procedure, such as cleaning with alcohol, can be recommended as surface treatment for the cementation of glass fiber posts.

1 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20232
202216
2021106
2020118
2019108
2018142