GSTDTAP  > 地球科学
DOI10.1016/j.atmosres.2017.11.032
Molecular composition and seasonal variation of amino acids in urban aerosols from Beijing, China
Ren, Lujie1,3; Bai, Huahua2,4; Yu, Xi2; Wu, Fengchang2; Yue, Siyao1,6; Ren, Hong1,6; Li, Linjie1,6; Lai, Senchao5; Sun, Yele1; Wang, Zifa1; Fu, Pingqing1,3,6
2018-05-01
发表期刊ATMOSPHERIC RESEARCH
ISSN0169-8095
EISSN1873-2895
出版年2018
卷号203页码:28-35
文章类型Article
语种英语
国家Peoples R 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.


英文关键词Organic aerosols Amino acids Seasonal variation PBAPs
领域地球科学
收录类别SCI-E
WOS记录号WOS:000426226400003
WOS关键词FINE PARTICULATE MATTER ; ORGANIC NITROGEN ; FOG WATERS ; PARTICLES ; SEAWATER ; PM2.5 ; SPECIATION ; CHEMISTRY ; EVOLUTION ; GLYOXAL
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/38519
专题地球科学
作者单位1.Chinese Acad Sci, Inst Atmospher Phys, LAPC, Beijing 100029, Peoples R China;
2.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China;
3.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China;
4.Beijing Municipal Res Inst Environm Protect, Beijing 100037, Peoples R China;
5.South China Univ Technol, Sch Environm & Energy, Guangzhou, Guangdong, Peoples R China;
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Ren, Lujie,Bai, Huahua,Yu, Xi,et al. Molecular composition and seasonal variation of amino acids in urban aerosols from Beijing, China[J]. ATMOSPHERIC RESEARCH,2018,203:28-35.
APA Ren, Lujie.,Bai, Huahua.,Yu, Xi.,Wu, Fengchang.,Yue, Siyao.,...&Fu, Pingqing.(2018).Molecular composition and seasonal variation of amino acids in urban aerosols from Beijing, China.ATMOSPHERIC RESEARCH,203,28-35.
MLA Ren, Lujie,et al."Molecular composition and seasonal variation of amino acids in urban aerosols from Beijing, China".ATMOSPHERIC RESEARCH 203(2018):28-35.
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