Deposition potential of 0.003–10 µm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in Beijing
Ultrafine particles (UFPs) usually explosive growth during new particle formation (NPF) events. However, the risk of exposure to UFPs on NPF days has been ignored due to the prevalence of mass-based air quality standards. In this study, the daily deposited doses, i.e., the daily deposited particle n...
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| Language: | English |
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Elsevier
2022-09-01
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| Series: | Ecotoxicology and Environmental Safety |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0147651322008636 |
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| author | Li Ma Ying Zhang Zhuohui Lin Ying Zhou Chao Yan Yusheng Zhang Wenshuo Zhou Wei Ma Chenjie Hua Xiaoxiao Li Chenjuan Deng Yu Qi Lubna Dada Hongyan Li Federico Bianchi Tuukka Petäjä Juha Kangasluoma Jingkun Jiang Sijin Liu Tareq Hussein Markku Kulmala Yongchun Liu |
| author_facet | Li Ma Ying Zhang Zhuohui Lin Ying Zhou Chao Yan Yusheng Zhang Wenshuo Zhou Wei Ma Chenjie Hua Xiaoxiao Li Chenjuan Deng Yu Qi Lubna Dada Hongyan Li Federico Bianchi Tuukka Petäjä Juha Kangasluoma Jingkun Jiang Sijin Liu Tareq Hussein Markku Kulmala Yongchun Liu |
| author_sort | Li Ma |
| collection | DOAJ |
| description | Ultrafine particles (UFPs) usually explosive growth during new particle formation (NPF) events. However, the risk of exposure to UFPs on NPF days has been ignored due to the prevalence of mass-based air quality standards. In this study, the daily deposited doses, i.e., the daily deposited particle number dose (DPNd), mass dose (DPMd), and surface area dose (DPSd), of ambient particles in the human respiratory tract in Beijing were evaluated based on the particle number size distribution (3 nm-10 µm) from June 2018 to May 2019 utilizing a Multiple-Path Particle Dosimetry Model (MPPD) after the hygroscopic growth of particles in the respiratory tract had been accounted for. Our observations showed a high frequency (72.6%) of NPF on excellent air quality days, with daily mean PM2.5 concentrations less than 35 μg m−3. The daily DPNd on excellent air quality days was comparable with that on polluted days, although the DPMd on excellent air quality days was as low as 15.6% of that on polluted days. The DPNd on NPF days was ~1.3 times that on non-NPF days. The DPNd in respiratory tract regions decreased in the order: tracheobronchial (TB) > pulmonary (PUL) > extrathoracic (ET) on NPF days, while it was PUL > TB > ET on non-NPF days. The number of deposited nucleation mode particles, which were deposited mainly in the TB region (45%), was 2 times higher on NPF days than that on non-NPF days. Our results demonstrated that the deposition potential due to UFPs in terms of particle number concentrations is high in Beijing regardless of the aerosol mass concentration. More toxicological studies related to UFPs on NPF days, especially those targeting tracheobronchial and pulmonary impairment, are required in the future. |
| first_indexed | 2024-04-13T06:02:28Z |
| format | Article |
| id | doaj.art-803ace6be8eb43888b69fa58f05364f1 |
| institution | Directory Open Access Journal |
| issn | 0147-6513 |
| language | English |
| last_indexed | 2024-04-13T06:02:28Z |
| publishDate | 2022-09-01 |
| publisher | Elsevier |
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| series | Ecotoxicology and Environmental Safety |
| spelling | doaj.art-803ace6be8eb43888b69fa58f05364f12022-12-22T02:59:24ZengElsevierEcotoxicology and Environmental Safety0147-65132022-09-01243114023Deposition potential of 0.003–10 µm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in BeijingLi Ma0Ying Zhang1Zhuohui Lin2Ying Zhou3Chao Yan4Yusheng Zhang5Wenshuo Zhou6Wei Ma7Chenjie Hua8Xiaoxiao Li9Chenjuan Deng10Yu Qi11Lubna Dada12Hongyan Li13Federico Bianchi14Tuukka Petäjä15Juha Kangasluoma16Jingkun Jiang17Sijin Liu18Tareq Hussein19Markku Kulmala20Yongchun Liu21Aerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, ChinaAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, ChinaAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, ChinaAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, ChinaInstitute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, FinlandAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, ChinaAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, ChinaAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, ChinaAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, ChinaState Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, 100084 Beijing, ChinaState Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, 100084 Beijing, ChinaState Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, ChinaInstitute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, FinlandSchool of Environment and Safety, Taiyuan University of Science and Technology, Taiyuan, Shanxi, 030024, ChinaInstitute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, FinlandInstitute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, FinlandAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China; Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, FinlandState Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, 100084 Beijing, ChinaState Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, ChinaInstitute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Finland; The University of Jordan, Department of Physics, Amman 11942, JordanAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China; Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, FinlandAerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China; Corresponding author.Ultrafine particles (UFPs) usually explosive growth during new particle formation (NPF) events. However, the risk of exposure to UFPs on NPF days has been ignored due to the prevalence of mass-based air quality standards. In this study, the daily deposited doses, i.e., the daily deposited particle number dose (DPNd), mass dose (DPMd), and surface area dose (DPSd), of ambient particles in the human respiratory tract in Beijing were evaluated based on the particle number size distribution (3 nm-10 µm) from June 2018 to May 2019 utilizing a Multiple-Path Particle Dosimetry Model (MPPD) after the hygroscopic growth of particles in the respiratory tract had been accounted for. Our observations showed a high frequency (72.6%) of NPF on excellent air quality days, with daily mean PM2.5 concentrations less than 35 μg m−3. The daily DPNd on excellent air quality days was comparable with that on polluted days, although the DPMd on excellent air quality days was as low as 15.6% of that on polluted days. The DPNd on NPF days was ~1.3 times that on non-NPF days. The DPNd in respiratory tract regions decreased in the order: tracheobronchial (TB) > pulmonary (PUL) > extrathoracic (ET) on NPF days, while it was PUL > TB > ET on non-NPF days. The number of deposited nucleation mode particles, which were deposited mainly in the TB region (45%), was 2 times higher on NPF days than that on non-NPF days. Our results demonstrated that the deposition potential due to UFPs in terms of particle number concentrations is high in Beijing regardless of the aerosol mass concentration. More toxicological studies related to UFPs on NPF days, especially those targeting tracheobronchial and pulmonary impairment, are required in the future.http://www.sciencedirect.com/science/article/pii/S0147651322008636Ultrafine particleNew particle formationDeposited doseMPPD modelHygroscopic growth |
| spellingShingle | Li Ma Ying Zhang Zhuohui Lin Ying Zhou Chao Yan Yusheng Zhang Wenshuo Zhou Wei Ma Chenjie Hua Xiaoxiao Li Chenjuan Deng Yu Qi Lubna Dada Hongyan Li Federico Bianchi Tuukka Petäjä Juha Kangasluoma Jingkun Jiang Sijin Liu Tareq Hussein Markku Kulmala Yongchun Liu Deposition potential of 0.003–10 µm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in Beijing Ecotoxicology and Environmental Safety Ultrafine particle New particle formation Deposited dose MPPD model Hygroscopic growth |
| title | Deposition potential of 0.003–10 µm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in Beijing |
| title_full | Deposition potential of 0.003–10 µm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in Beijing |
| title_fullStr | Deposition potential of 0.003–10 µm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in Beijing |
| title_full_unstemmed | Deposition potential of 0.003–10 µm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in Beijing |
| title_short | Deposition potential of 0.003–10 µm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in Beijing |
| title_sort | deposition potential of 0 003 10 µm ambient particles in the humidified human respiratory tract contribution of new particle formation events in beijing |
| topic | Ultrafine particle New particle formation Deposited dose MPPD model Hygroscopic growth |
| url | http://www.sciencedirect.com/science/article/pii/S0147651322008636 |
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