The nanoparticles get trapped on the leaf surface. But do they also enter the tissue?
The nanoparticles get trapped on the leaf surface. But do they also enter the tissue? - Trees absorb tiny metal particles from the air and soil and deposit them in their tissues. This has been shown by an experiment conducted by the Swiss Federal Institute for Forest, Snow and Landscape Research WSL. These findings open up possibilities for detecting environmental pollution or even remedying it in the future. Wouldn't it be great if trees could serve as silent witnesses to environmental pollution caused by, for example, an industrial plant? A WSL study was able to show that trees can store tiny particles from air and water in their wood. These nanoparticles are more than one thousand times thinner than human hair. They can be pollutants if they consist of toxic heavy metals such as aluminium or lead, or industrial agents that transport active substances in sun blockers or modern pesticides, for example.
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