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Article ; Online: Revealing the Contribution of Interfacial Processes to Atmospheric Oxidizing Capacity in Haze Chemistry.

Ma, Qingxin / Chu, Biwu / He, Hong

Environmental science & technology

2024 Volume 58, Issue 14, Page(s) 6071–6076

Abstract: The atmospheric oxidizing capacity is the most important driving force for the chemical transformation of pollutants in the atmosphere. Traditionally, the atmospheric oxidizing capacity mainly depends on the concentration of ... ...

Abstract	The atmospheric oxidizing capacity is the most important driving force for the chemical transformation of pollutants in the atmosphere. Traditionally, the atmospheric oxidizing capacity mainly depends on the concentration of O
MeSH term(s)	Air Pollutants/analysis ; Environmental Monitoring ; Aerosols/analysis ; Particulate Matter/analysis ; Air Pollution/analysis ; China ; Seasons ; Gases
Chemical Substances	Air Pollutants ; Aerosols ; Particulate Matter ; Gases
Language	English
Publishing date	2024-03-29
Publishing country	United States
Document type	Journal Article ; Review
ISSN	1520-5851
ISSN (online)	1520-5851
DOI	10.1021/acs.est.3c08698
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Promoted Activity of Surface Hydroxyls on γ-Al

Li, Hao / Xue, Haobo / Chu, Biwu / Ma, Qingxin / He, Hong

The journal of physical chemistry letters

2022 Volume 13, Issue 44, Page(s) 10335–10341

Abstract: Sulfate and ammonium formed on mineral dust can be mutually accelerated through the heterogeneous reactions of coexisting ... ...

Abstract	Sulfate and ammonium formed on mineral dust can be mutually accelerated through the heterogeneous reactions of coexisting SO
Language	English
Publishing date	2022-10-31
Publishing country	United States
Document type	Journal Article
ISSN	1948-7185
ISSN (online)	1948-7185
DOI	10.1021/acs.jpclett.2c02734
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Homogeneous and heterogeneous photolysis of nitrate in the atmosphere: state of the science, current research needs, and future prospects

Cao, Yiqun / Ma, Qingxin / Chu, Biwu / He, Hong

Front. Environ. Sci. Eng.. 2023 Apr., v. 17, no. 4 p.48-48

2023

Abstract: Nitrate is an important component of atmospheric particulate matter and affects air quality, climate, human health, and the ecosystem. Nitrate was previously considered a permanent sink for nitrogen oxides (NOₓ). However, this viewpoint has been ... ...

Abstract	Nitrate is an important component of atmospheric particulate matter and affects air quality, climate, human health, and the ecosystem. Nitrate was previously considered a permanent sink for nitrogen oxides (NOₓ). However, this viewpoint has been challenged in recent years because growing research evidence has shown the transformation of nitrate into NOₓ (i.e., renoxification). The photolysis of nitrate/HNO₃, especially in the particulate phase or adsorbed on particles, can be a significant renoxification process in the atmosphere. The formation and photolysis of nitrate in aerosol not only change the diurnal variation of NOₓ, but also provide long-distance transport of NOₓ in the form of nitrate, which affects local and regional atmospheric chemistry and air quality. This review summarizes recent advances in the fundamental understanding of the photolysis of nitrate/HNO₃ under various atmospheric conditions, with a focus on mechanisms and key factors affecting the process. The atmospheric implications are discussed and future research is recommended.
Keywords	aerosols ; air quality ; atmospheric chemistry ; climate ; diurnal variation ; ecosystems ; human health ; nitrates ; nitrogen ; particulates ; photolysis
Language	English
Dates of publication	2023-04
Size	p. 48.
Publishing place	Higher Education Press
Document type	Article ; Online
Note	Review
ZDB-ID	2662203-8
ISSN	2095-221X ; 2095-2201
ISSN (online)	2095-221X
ISSN	2095-2201
DOI	10.1007/s11783-023-1648-6
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: An Alternative Calibration Method for Measuring N

Liu, Yuan / Jia, Yongcheng / Chu, Biwu / Li, Shuying / Cao, Qing / Liu, Jun / Ma, Wei / Li, Yuanyuan / Wang, Lei / Nie, Wei / Ma, Qingxin / He, Hong

Analytical chemistry

2024 Volume 96, Issue 10, Page(s) 4048–4056

Abstract: In this work, we developed an alternative calibration method for measuring ... ...

Abstract	In this work, we developed an alternative calibration method for measuring N
Language	English
Publishing date	2024-02-19
Publishing country	United States
Document type	Journal Article
ZDB-ID	1508-8
ISSN	1520-6882 ; 0003-2700
ISSN (online)	1520-6882
ISSN	0003-2700
DOI	10.1021/acs.analchem.3c04089
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Article ; Online: Combined Smog Chamber/Oxidation Flow Reactor Study on Aging of Secondary Organic Aerosol from Photooxidation of Aromatic Hydrocarbons.

Chen, Tianzeng / Liu, Jun / Chu, Biwu / Ge, Yanli / Zhang, Peng / Ma, Qingxin / He, Hong

Environmental science & technology

2023 Volume 57, Issue 37, Page(s) 13937–13947

Abstract: Secondary organic aerosol (SOA) is a significant component of atmospheric fine particulate matter ( ... ...

Abstract	Secondary organic aerosol (SOA) is a significant component of atmospheric fine particulate matter (PM
MeSH term(s)	Smog ; Hydrocarbons, Aromatic ; Toluene ; Aerosols ; Oxygen
Chemical Substances	Smog ; Hydrocarbons, Aromatic ; Toluene (3FPU23BG52) ; Aerosols ; Oxygen (S88TT14065)
Language	English
Publishing date	2023-09-10
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1520-5851
ISSN (online)	1520-5851
DOI	10.1021/acs.est.3c04089
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Atmospheric heterogeneous reactions on soot

Yuan Liu / Guangzhi He / Biwu Chu / Qingxin Ma / Hong He

Fundamental Research, Vol 3, Iss 4, Pp 579-

A review

2023 Volume 591

Abstract: Soot particles, composed of elemental carbon and organic compounds, have attracted widespread attention in recent years due to their significant impacts on climate, the environment and human health. Soot has been found to be chemically and physically ... ...

Abstract	Soot particles, composed of elemental carbon and organic compounds, have attracted widespread attention in recent years due to their significant impacts on climate, the environment and human health. Soot has been found to be chemically and physically active in atmospheric aging processes, which leads to alterations in its composition, morphology, hygroscopicity and optical properties and thus changes its environmental and health effects. The heterogeneous reactions on soot also have a significant impact on the transformation of gaseous pollutants into secondary aerosols. Therefore, the interactions between soot and atmospheric substances have been widely investigated to better understand the environmental behaviors of soot. In this review, we systematically summarize the progress and developments in the heterogeneous chemistry on soot over the past 30 years. Atmospheric trace constituents such as NO2, O3, SO2, N2O5, HNO3, H2SO4, OH radical, HO2 radical, peroxyacetyl nitrate etc., are presented in detail from the aspect of their heterogeneous reactions on soot. The possible mechanisms and the effects of environmental conditions on these heterogeneous reactions are also addressed. Further, the impacts of the heterogeneous reactions of soot on the atmospheric environment are discussed, and some aspects of soot-related research which require further investigation are proposed as well.
Keywords	Soot ; NO2 ; SO2 ; O3 ; Heterogeneous reactions ; Science (General) ; Q1-390
Subject code	540
Language	English
Publishing date	2023-07-01T00:00:00Z
Publisher	KeAi Communications Co. Ltd.
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Synergistic Effects of SO

Chen, Tianzeng / Zhang, Peng / Chu, Biwu / Ma, Qingxin / Ge, Yanli / He, Hong

Environmental science & technology

2023 Volume 57, Issue 16, Page(s) 6616–6625

Abstract: Vehicular evaporative emissions make an increasing contribution to anthropogenic sources of volatile organic compounds (VOCs), thus contributing to secondary organic aerosol (SOA) formation. However, few studies have been conducted on SOA formation from ... ...

Abstract	Vehicular evaporative emissions make an increasing contribution to anthropogenic sources of volatile organic compounds (VOCs), thus contributing to secondary organic aerosol (SOA) formation. However, few studies have been conducted on SOA formation from vehicle evaporative VOCs under complex pollution conditions with the coexistence of NO
MeSH term(s)	Gasoline ; Aerosols/analysis ; Vehicle Emissions/analysis ; Volatile Organic Compounds/analysis ; Environmental Pollution ; Air Pollutants/analysis
Chemical Substances	Gasoline ; Aerosols ; Vehicle Emissions ; Volatile Organic Compounds ; Air Pollutants
Language	English
Publishing date	2023-04-13
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1520-5851
ISSN (online)	1520-5851
DOI	10.1021/acs.est.3c01921
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Photoactivation of Chlorine and Its Catalytic Role in the Formation of Sulfate Aerosols.

Cao, Yiqun / Liu, Jiarong / Ma, Qingxin / Zhang, Chunyan / Zhang, Peng / Chen, Tianzeng / Wang, Yonghong / Chu, Biwu / Zhang, Xiuhui / Francisco, Joseph S / He, Hong

Journal of the American Chemical Society

2024 Volume 146, Issue 2, Page(s) 1467–1475

Abstract: We present a novel mechanism for the formation of photocatalytic oxidants in deliquescent NaCl particles, which can greatly promote the multiphase photo-oxidation of ... ...

Abstract	We present a novel mechanism for the formation of photocatalytic oxidants in deliquescent NaCl particles, which can greatly promote the multiphase photo-oxidation of SO
Language	English
Publishing date	2024-01-07
Publishing country	United States
Document type	Journal Article
ZDB-ID	3155-0
ISSN	1520-5126 ; 0002-7863
ISSN (online)	1520-5126
ISSN	0002-7863
DOI	10.1021/jacs.3c10840
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Article ; Online: Insight into the Mechanism and Kinetics of the Heterogeneous Reaction between SO

Zhang, Peng / Wang, Yonghong / Chen, Tianzeng / Yu, Yunbo / Ma, Qingxin / Liu, Changgeng / Li, Hao / Chu, Biwu / He, Hong

Environmental science & technology

2023 Volume 57, Issue 46, Page(s) 17718–17726

Abstract: The heterogeneous oxidation of ... ...

Abstract	The heterogeneous oxidation of SO
MeSH term(s)	Nitrogen Dioxide ; China ; Oxidation-Reduction ; Sulfur Oxides ; Soot ; Sulfates ; Carbon
Chemical Substances	Nitrogen Dioxide (S7G510RUBH) ; Sulfur Oxides ; Soot ; Sulfates ; Carbon (7440-44-0)
Language	English
Publishing date	2023-03-15
Publishing country	United States
Document type	Journal Article
ISSN	1520-5851
ISSN (online)	1520-5851
DOI	10.1021/acs.est.2c09674
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Smog Chamber Study on the Role of NO

Chen, Tianzeng / Zhang, Peng / Ma, Qingxin / Chu, Biwu / Liu, Jun / Ge, Yanli / He, Hong

Environmental science & technology

2022 Volume 56, Issue 19, Page(s) 13654–13663

Abstract: China is facing dual pressures to reduce both ... ...

Abstract	China is facing dual pressures to reduce both PM
MeSH term(s)	Aerosols/analysis ; Air Pollutants/analysis ; Hydrocarbons, Aromatic ; Ozone/analysis ; Smog ; Volatile Organic Compounds
Chemical Substances	Aerosols ; Air Pollutants ; Hydrocarbons, Aromatic ; Smog ; Volatile Organic Compounds ; Ozone (66H7ZZK23N)
Language	English
Publishing date	2022-09-22
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1520-5851
ISSN (online)	1520-5851
DOI	10.1021/acs.est.2c04022
Database	MEDical Literature Analysis and Retrieval System OnLINE

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