Deposition of graphene nanomaterial aerosols in human upper airways

Journal of Occupational and Environmental Hygiene
Wei-Chung SuYung Sung Cheng

Abstract

Graphene nanomaterials have attracted wide attention in recent years on their application to state-of-the-art technology due to their outstanding physical properties. On the other hand, the nanotoxicity of graphene materials also has rapidly become a serious concern especially in occupational health. Graphene naomaterials inevitably could become airborne in the workplace during manufacturing processes. The inhalation and subsequent deposition of graphene nanomaterial aerosols in the human respiratory tract could potentially result in adverse health effects to exposed workers. Therefore, investigating the deposition of graphene nanomaterial aerosols in the human airways is an indispensable component of an integral approach to graphene occupational health. For this reason, this study carried out a series of airway replica deposition experiments to obtain original experimental data for graphene aerosol airway deposition. In this study, graphene aerosols were generated, size classified, and delivered into human airway replicas (nasal and oral-to-lung airways). The deposition fraction and deposition efficiency of graphene aerosol in the airway replicas were obtained by a novel experimental approach. The experimental results acquired...Continue Reading

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Citations

Feb 21, 2019·Inhalation Toxicology·Wei-Chung SuJinxiang Xi
Aug 26, 2020·Toxicology and Industrial Health·Sofie Van Den BrouckePeter Hoet
Aug 29, 2019·Journal of Occupational and Environmental Hygiene·Wei-Chung SuJun Wang
Oct 8, 2021·Reviews on Environmental Health·Xiaotong YangLiming Li

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