Nanoparticle risk to food crops

A pair of widely used chemicals in the form of tiny “nanoparticles” have been shown to spread throughout a crop plant or affect growth and soil fertility.


Commenting on the wider toxicity of nanoparticles, Prof Vicki Stone from the Heriot-Watt University, Scotland, said: “Nanomaterials are equally hazardous or conversely equally safe. Effects seem to depend upon their physical and chemical characteristics – this is what scientists are aiming at better understanding, so that in future they can predict toxicity or safety


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