Physicochemical Characterizations
The last few years have seen a large increase in the use of nanomaterials in consumer and other products, and this increase has been accompanied by growing concern about the possible health and environmental impacts of exposure to nanomaterials, in particular to nano-objects, and their agglomerates, and aggregates (NOAA).
Given the diversity of NOAAs that can be produced with seemingly similar compositions, detailed physico-chemical characterization is critical for the precise identification of test materials and to support the development of understanding of the toxicological impact of nanomaterials. (Excerpt from ISO/TR 13014: Nanotechnologies – Guidance on physico-chemical characterization of engineered nanoscale materials for toxicologic assessment.)
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