Risk Assessment of Engineered Nanoparticles (ENPs)

Document Type : Applied Article

Authors

1 Professor, Faculty of Chemical Engineering, Biotechnology Department, Tarbiat Modares University, Iran

2 Assistant Professor, Faculty of Chemical Engineering, University of Golestan, Iran

Abstract

Although the applications of nanotechnology have been widely studied, the risk measurement and assessment of nanoparticles effect on biological systems and ecosystems has not been clearly demonstrated. The small size and specific properties of nanoparticles makes them a carrier for toxic chemical pollutants. Several studies show the nanoparticles and nanotubes can release in the environment and cause harmful effects on human. In addition, nanoparticles can attach to colloid particles and affect their bioavailability and uptake to cells and microorganisms. Concerns about the side effects of nanoparticles on human, environment and ecosystem are increasing due to the appearance of unique properties of nanoparticles and increased exposure of human to them. The aim of nanotoxicology, a new branch in toxicology researches, is to evaluate the risk of products prepared by nanotechnology. Nanoparticles can enter organisms through water, soil and air. In this study the probable risks associated with nanoparticles on human and environment is demonstrated.

Keywords

References

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Environmental Management Hazards
Volume 1, Issue 1 - Serial Number 1
October 2014
Pages 37-45

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