Oxygen in its molecular state O 2, is essential for many metabolic processes that are vital to
aerobic life. Aerobic organisms cannot exist without oxygen, which nevertheless is …

The presence of a xenobiotic in the environment can often represent a risk for living
organisms. Quaternium-15, a preservative, is one of the most used substances and is added …

Toxicity of organophosphorus insecticides is mainly due to the inhibition of
acetylcholinesterase, but, oxidative stress may be involved in the toxicity of this pesticides …

Following the development of urban and industrial centres petrochemical products have
become a widespread class of contaminants. The aim of this study was to investigate the …

We investigated the endocrine disrupting effects of chlorpyrifos-ethyl which is suspected to
be originated from oxidative stress. Initially, the 96h LC50 values of chlorpyrifos in juvenile …

We evaluate antioxidant responses of Jenynsia multidentata experimentally exposed to
sublethal concentrations of endosulfan (EDS). The main goal was to determine differences …

The glutathione metabolism contains crucial antioxidant molecules to defend the organisms
against oxidants. Thus, the aim of this study was to investigate the response of the …

This study investigated the clinical and pathological symptoms of waterborne lead toxicity in
wild Nile tilapia collected from a lead-contaminated area (the Mariotteya Canal: Pb …

Tests of acute toxicity were performed on the most common species of aquarium fish,
Poecilia reticulata. Guppies (P. reticulata) were exposed to progressive concentrations of …

The objective of this study was to investigate the effects of two different PAHs and a complex
petrochemical mixture on the common goby, Pomatoschistus microps, using selected …