Vol. 13 No. 1 (2018)

Original Articles

• Toxicity of four metals and their mixtures to Pseudomonas fluorescens: An assessment using fixed ratio ray design

  Christian Okechukwu Nweke, SARAH IGBOKWUBIRI UMEH, VIVIAN KELECHI OHALE

  1-14

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• Estrogenicity and cytotoxicity of sediments and water from the drinkwater source-basin of Montevideo city, Uruguay

  Luciana Griffero, Giselle Gomes, Mauro Berazategui, Claudia Fosalba, Franco Teixeira de Mello, Carlos Rezende, Daniele Bila, Javier Gacía-Alonso

  15-22

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• Trace elements in an adjacent channel of an anthropized area: a case study of Baixada Santista, Southeastern Brazil

  Alexandre Barbosa Salaroli, Bianca Sung Mi Kim, José Lourenço Friedmann Angeli, Rubens Cesar Lopes Figueira

  23-31

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• Silver effect on the biodegradation process of styrene-ethylene/butylene-styrene based thermoplastic elastomers compounds upon weathering exposure

  Daiane Tomacheski, M Pittol, S Vier, D.N. Simões, V.F. Ribeiro, R.M.C. Santana

  33-38

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• Liver damage in two neotropical fish species from a polluted estuarine area

  Gustavo Souza Santos, Laercio Dante Stein Piancini, Flávio Henrique Tincani, Tatiane Klingelfus, Flávia Yoshie Yamamoto, Ciro Alberto Oliveira Ribeiro, Izonete Cristina Guiloski, Helena Cristina Silva de Assis, Marta Margarete Cestari

  39-50

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• Concentrations of metals in liver of Guiana dolphins (Sotalia guianensis) from an estuary in Southeast of Brazil

  Lilian Dalago Salgado, Suzana Mas Rosa, Júlio César Rodrigues de Azevedo

  51-61

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• Statistically based approach to select worst-case groundwater scenarios for environmental risk assessment of pesticides in Brazil

  Romulo Penna Scorza Jr, Fábio Canesin, Fábio Seabra, Éder Comunello

  63-71

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• In vitro and in vivo toxicity of coal fly Ash Lechate

  Kelme Cardoso Damasceno, Adriana Kuchinski Cavalcante, Joana da Silva Maziero, Gisela de Assis Martini, Matheus Beani Ormenio, Fernanda Caroline da Silva Mamede, Caio da Silva Miranda, Felipe Arrelaro Campello, Juliana de Carvalho Izidoro, Sizue Ota Rogero, Denise Alves Fungaro, Monica Valdyrce dos Anjos Lopes-Ferreira, José Roberto Rogero

  73-78

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• Impacts of different concentrations of Copper and Zinc on in vitro responses of Azotobacter chroococum in biomass and nitrogen fixing outputs

  Chima Ngumah, J. Orji, J. Akubuokwuoma, U. Anoliefoh

  79-83

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