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A review of atmospheric individual particle analyses: methodologies and applications in environmental research

Shao, Longyi, Liu, Pengju, Jones, Tim ORCID:, Yang, Shushen, Wang, Wenhua, Zhang, Daizhou, Li, Yaowei, Yang, Cheng-Xue, Xing, Jiaoping, Hou, Cong, Zhang, Mengyuan, Feng, Xiaolei, Li, Wenjun and BéruBé, Kelly ORCID: 2022. A review of atmospheric individual particle analyses: methodologies and applications in environmental research. Gondwana Research 110 , pp. 347-369. 10.1016/

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Aerosol ultra-fine and nano-particles are playing essential roles in the evolution of the Earth environment because of their deep connections to the chemical conversions and solar radiation energy transfer in the atmosphere, and have also become an urgent public concern in recent years due to their adverse health effects. Electron microscopes, as major tools being able to accurately identify the physical and chemical characteristics of individual particles in micron and submicron size, have been widely used in aerosol studies, although some barriers remain for their low efficiency and high cost. In this work, current understandings on the physical and chemical characteristics, mixing state and heterogeneous chemical reactions of individual aerosol particles, mainly obtained with electron microscopes, are reviewed. First, the techniques of individual particle analyses are briefly summarized and their advantages and disadvantages are discussed. Then, the morphology and composition of major atmospheric particle types obtained with these techniques and how the information was used to identify particle sources are introduced. The effects of aerosol particles on the environment, climate, human health, and global geochemical cycles are also discussed based on the data from individual particle analyses. Finally, challenges faced in individual particle studies are prospected.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Earth and Environmental Sciences
Publisher: Elsevier
ISSN: 1342-937X
Date of First Compliant Deposit: 24 January 2022
Date of Acceptance: 9 January 2022
Last Modified: 07 Nov 2023 06:00

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