Effect of TiO2 nanoparticles application on photosynthetic pigment contents of duckweed (Lemna minor L.)



Nanoparticles are a form of materials that have different properties as bulk and molecular. Despite their useful potential, nanoparticles have the ability to permeation animals and plants. For this reason, this use can pose a health hazard to the ecosystem, and it is necessary to perform toxic evaluation by using various organisms in the environment. In this study, effects on the amount of pigment after exposure to the TiO2 nanoparticle of duckweed (Lemna minor) Which the indicator organism of the aquatic environment have investigated. At the end of the 96-h exposure period, Ca and Cb levels were found significant differences between 50-200 mg-1 concentrations at P<0.001 level. In addition, during the 96-hour exposure period, there is no measurable effect on the chlorophyll content at high concentration (200 mg-1) of TiO2 in duckweed.


Aquatic toxicology, Chlorophyll, Nanotoxicology, Nanoparticles, TiO2.

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