Synthesis, characterization and cytotoxic effect of ZnO nanoparticles obtained by mechanical alloying

ZnO nanoparticles with different grain sizes have been obtained by mechanical milling, after different treatment times : 3, 6, 12and 24 hours.
The final products have been characterized by different analytical techniques, such as X Ray Diffraction, Photoluminescence,Fourier transform infrared (FTIR) and UV-Visible spectroscopies.The cytotoxic effect of one selected concentration ZnO nanoparticles have been evaluated for paramecium growth kinetics and the mortality rate have been recorded as a function of time.Findings demonstrated that the evolution of the paramecium cell number is clearly affected by ZnO Nps presence.

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