Melissa Leitão

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The susceptibility of the dinoflagellate Lingulodinium polyedrum to Arochlor 1254, a commercial mixture of polychlorinated biphenyl (PCB) congeners was examined through toxicity bioassays based on cell survival and measures of oxidative balance and adaptive response to PCB stress. The highest Arochlor 1254 concentration that did not cause observed effects(More)
OBJECTIVE The aim of this study was to evaluate the effect of two kinds of dental implants surfaces with their own characteristics on human marrow stromal cells' adhesion. MATERIAL AND METHODS Fifty-six titanium discs (28 machined and 28 acid etched) were used. Machined (MS) and acid-etched surfaces (ES) were analyzed using a scanning electron microscope,(More)
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