Impact of water uptake and mixing state on submicron particle deposition in the human respiratory tract (HRT) based on explicit hygroscopicity measurements at HRT-like conditions
Ruiqi Man,Zhijun Wu,Taomou Zong,Aristeidis Voliotis,Yanting Qiu,Johannes Größ,Dominik van Pinxteren,Limin Zeng,Hartmut Herrmann,Alfred Wiedensohler,and Min Hu
Ruiqi Man
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking
University, 100871 Beijing, China
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking
University, 100871 Beijing, China
Collaborative Innovation Center of Atmospheric Environment and
Equipment Technology, Nanjing University of Information Science and
Technology, 210044 Nanjing, China
Taomou Zong
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking
University, 100871 Beijing, China
National Centre for Atmospheric Science, Department of Earth and
Environmental Science, School of Natural Sciences, The University of
Manchester, Oxford Road, M13 9PL Manchester, UK
Centre for Atmospheric Science, Department of Earth and Environmental Science, School of Natural Sciences, The University of Manchester, Oxford Road, M13 9PL Manchester, UK
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking
University, 100871 Beijing, China
Johannes Größ
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
Dominik van Pinxteren
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
Limin Zeng
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking
University, 100871 Beijing, China
Hartmut Herrmann
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking
University, 100871 Beijing, China
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Regional and total deposition doses for different age groups were quantified based on explicit hygroscopicity measurements. We found that particle hygroscopic growth led to a reduction (~24 %) in the total dose. The deposition rate of hygroscopic particles was higher in the daytime, while hydrophobic particles exhibited a higher rate at night and during rush hours. The results will deepen the understanding of the impact of hygroscopicity and the mixing state on deposition patterns in the lungs.
Regional and total deposition doses for different age groups were quantified based on explicit...
