Publications by authors named "Marcionilia Fernandes Pimentel"

Few studies have examined the toxicity of metal mixtures to marine organisms exposed to different salinities. The aim of the present study was to investigate the acute toxicity of zinc and nickel exposures singly and in combination to Artemia sp. under salinities of 10, 17, and 35 psu.

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Article Synopsis
  • The study focuses on the effects of endocrine disruptor chemicals (EDCs) on the tropical fish Sphoeroides testudineus in the Pacoti River, highlighting the issue of aquatic contamination caused by domestic sewage in rapidly urbanizing South American cities.
  • Researchers measured and analyzed the fish for gender identification, gonadal health, and vitellogenin expression, finding that undifferentiated fish had lower weight and length compared to males and females.
  • Significant levels of various EDCs were detected in the river sediments, indicating estrogenic contamination, which aligns with the observed endocrine disruption in male and undifferentiated fish.
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The present study reports the use of biomarkers analyzes in mangrove root crab Goniopsis cruentata tissues to assess the environmental quality of two tropical estuarine areas. Animals from Ceará River estuary presented inhibition of ChE and GST enzymatic activities and higher rates of DNA damage with respect to those sampled in a pristine environment. G.

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