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Application of Bayesian networks for hazard ranking of nanomaterials to support human health risk assessment
Ist Teil von
Nanotoxicology, 2017-02, Vol.11 (1), p.123-133
Ort / Verlag
England: Taylor & Francis
Erscheinungsjahr
2017
Quelle
MEDLINE
Beschreibungen/Notizen
In this study, a Bayesian Network (BN) was developed for the prediction of the hazard potential and biological effects with the focus on metal- and metal-oxide nanomaterials to support human health risk assessment. The developed BN captures the (inter) relationships between the exposure route, the nanomaterials physicochemical properties and the ultimate biological effects in a holistic manner and was based on international expert consultation and the scientific literature (e.g., in vitro/in vivo data). The BN was validated with independent data extracted from published studies and the accuracy of the prediction of the nanomaterials hazard potential was 72% and for the biological effect 71%, respectively. The application of the BN is shown with scenario studies for TiO
2
, SiO
2
, Ag, CeO
2
, ZnO nanomaterials. It is demonstrated that the BN may be used by different stakeholders at several stages in the risk assessment to predict certain properties of a nanomaterials of which little information is available or to prioritize nanomaterials for further screening.