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CLC number: X511

On-line Access: 2018-04-04

Received: 2017-03-07

Revision Accepted: 2017-06-08

Crosschecked: 2018-03-10

Cited: 0

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Citations:  Bibtex RefMan EndNote GB/T7714


Li-ping Lou


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Journal of Zhejiang University SCIENCE B 2018 Vol.19 No.4 P.317-326


Physical and chemical characteristics of PM2.5 and its toxicity to human bronchial cells BEAS-2B in the winter and summer

Author(s):  Hui-hui Zhang, Zheng Li, Yu Liu, Ping Xinag, Xin-yi Cui, Hui Ye, Bao-lan Hu, Li-ping Lou

Affiliation(s):  College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China; more

Corresponding email(s):   loulp@zju.edu.cn

Key Words:  PM2.5, Seasonal difference, Physical and chemical characteristics, Cytotoxicity

Hui-hui Zhang, Zheng Li, Yu Liu, Ping Xinag, Xin-yi Cui, Hui Ye, Bao-lan Hu, Li-ping Lou. Physical and chemical characteristics of PM2.5 and its toxicity to human bronchial cells BEAS-2B in the winter and summer[J]. Journal of Zhejiang University Science B, 2018, 19(4): 317-326.

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author="Hui-hui Zhang, Zheng Li, Yu Liu, Ping Xinag, Xin-yi Cui, Hui Ye, Bao-lan Hu, Li-ping Lou",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

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%T Physical and chemical characteristics of PM2.5 and its toxicity to human bronchial cells BEAS-2B in the winter and summer
%A Hui-hui Zhang
%A Zheng Li
%A Yu Liu
%A Ping Xinag
%A Xin-yi Cui
%A Hui Ye
%A Bao-lan Hu
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%J Journal of Zhejiang University SCIENCE B
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%D 2018
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1700123

T1 - Physical and chemical characteristics of PM2.5 and its toxicity to human bronchial cells BEAS-2B in the winter and summer
A1 - Hui-hui Zhang
A1 - Zheng Li
A1 - Yu Liu
A1 - Ping Xinag
A1 - Xin-yi Cui
A1 - Hui Ye
A1 - Bao-lan Hu
A1 - Li-ping Lou
J0 - Journal of Zhejiang University Science B
VL - 19
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SP - 317
EP - 326
%@ 1673-1581
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.B1700123

With the increasing occurrence of haze during the summer, the physicochemical characteristics and toxicity differences in PM2.5 in different seasons are of great concern. Hangzhou is located in an area that has a subtropical monsoon climate where the humidity is very high during both the summer and winter. However, there are limited studies on the seasonal differences in PM2.5 in these weather conditions. In this test, PM2.5 samples were collected in the winter and summer, the morphology and chemical composition of PM2.5 were analyzed, the toxicity of PM2.5 to human bronchial cells BEAS-2B was compared, and the correlation between PM2.5 toxicity and the chemical composition was discussed. The results showed that during both the winter and summer, the main compounds in the PM2.5 samples were water-soluble ions, particularly SO42−, NO3, and NH4+, followed by organic components, while heavy metals were present at lower levels. The higher the mass concentration of PM2.5, the greater its impact on cell viability and ROS levels. However, when the mass concentration of PM2.5 was similar, the water extraction from the summer samples showed a greater impact on BEAS-2B than that from the winter samples. The cytotoxicity of PM2.5 was closely associated with heavy metals and organic pollutants but less related to water-soluble ions.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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