Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
Advanced modelling software has been developed for the assessment of environmental and human exposure to chemicals. This new tool integrates multimedia, PBPK and dose-response models to address the entire exposure assessment chain.
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