globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.atmosres.2017.11.032
Scopus记录号: 2-s2.0-85037809797
论文题名:
Molecular composition and seasonal variation of amino acids in urban aerosols from Beijing, China
作者: Ren L.; Bai H.; Yu X.; Wu F.; Yue S.; Ren H.; Li L.; Lai S.; Sun Y.; Wang Z.; Fu P.
刊名: Atmospheric Research
ISSN: 1698095
出版年: 2018
卷: 203
起始页码: 28
结束页码: 35
语种: 英语
英文关键词: Amino acids ; Organic aerosols ; PBAPs ; Seasonal variation
Scopus关键词: Aerosols ; High performance liquid chromatography ; Liquid chromatography ; Anthropogenic activity ; Atmospheric levels ; Biological emission ; Molecular compositions ; Molecular distribution ; Organic aerosol ; PBAPs ; Seasonal variation ; Amino acids ; aerosol composition ; amino acid ; anthropogenic source ; biomass burning ; concentration (composition) ; hydrolysis ; molecular analysis ; quantitative analysis ; seasonal variation ; urban atmosphere ; Beijing [Beijing (ADS)] ; Beijing [China] ; China
英文摘要: Fifteen hydrolyzed amino acids (THAA) were quantified in urban aerosols (TSP samples) collected during April 2012 to May 2013 in Beijing, China using high-performance liquid chromatography (HPLC) after their derivatization with o-phthalaldehyde (OPA), to investigate their molecular distributions and seasonal variation. Total concentrations of amino acids ranged from 1.73–25.7 nmol m− 3 with a peak in spring (13.7 nmol m− 3), followed by winter (11.5 nmol m− 3), fall (9.51 nmol m− 3) and summer (7.45 nmol m− 3). Glycine (Gly), alanine (Ala) and valine (Val) are found to be the most abundant species, which account for 46% of the total THAA. Compared with those recorded in previous studies, the atmospheric levels of amino acids in Beijing were higher than those from other regions. Enhanced amounts of methionine, tyrosine, histidine, aspartic acid and glutamic acid were found during the rainfall events. The factor analysis further suggests that amino acids in urban Beijing originated from multiple sources including biological emission, biomass burning, as well as anthropogenic activities. © 2017 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/108954
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: LAPC, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; Institute of Surface-Earth System Science, Tianjin University, Tianjin, 300072, China; Beijing Municipal Research Institute of Environmental Protection, Beijing, 100037, China; School of Environment and Energy, South China University of Technology, Guangzhou, China; University of Chinese Academy of Sciences, Beijing, 100049, China

Recommended Citation:
Ren L.,Bai H.,Yu X.,et al. Molecular composition and seasonal variation of amino acids in urban aerosols from Beijing, China[J]. Atmospheric Research,2018-01-01,203
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