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The development of products containing carbon nanotubes (CNTs) is a major achievement of nanotechnology, although concerns regarding risk of toxic effects linger if the hazards associated with these materials are not thoroughly investigated. Exposure to CNTs has been associated with depletion of antioxidants, increased intracellular production of reactive oxygen species and pro-inflammatory signaling...
Synthetically produced perfluorinated chemicals (PFCs) are widely used in industrial products because of their anti-wetting and surfactant properties. PFCs are suspected carcinogens and a possible mechanism of action is generation of oxidative stress. We have investigated the potential of five different PFCs to generate reactive oxygen species (ROS) and to induce oxidative DNA damage in HepG2 cells...
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