Urban stress-induced biogenic VOC emissions and SOA-forming potentials in Beijing by A. Ghirardo, A. Ghirardo, J. Xie, J. Xie, J. Xie, J. Xie, X. Zheng, Y. Wang, R. Grote, K. Block, J. Wildt, T. Mentel, A. Kiendler-Scharr, M. Hallquist, K. Butterbach-Bahl, J.-P. Schnitzler

“…However, the main contributors of SOA-mass formations originated from anthropogenic sources (> 90 %). …”
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Comparison of aqueous secondary organic aerosol (aqSOA) product distributions from guaiacol oxidation by non-phenolic and phenolic methoxybenzaldehydes as photosensitizers in the absence and presence of ammonium nitrate by B. R. G. Mabato, B. R. G. Mabato, Y. J. Li, D. D. Huang, Y. Wang, C. K. Chan, C. K. Chan, C. K. Chan

“…The majority of generated aqSOA comprises potential brown carbon (BrC) chromophores. …”
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Gasoline aromatics: a critical determinant of urban secondary organic aerosol formation by J. Peng, J. Peng, M. Hu, M. Hu, Z. Du, Y. Wang, J. Zheng, W. Zhang, Y. Yang, Y. Qin, R. Zheng, Y. Xiao, Y. Wu, S. Lu, Z. Wu, S. Guo, H. Mao, S. Shuai

“…Gasoline vehicle exhaust is an important contributor to secondary organic aerosol (SOA) formation in urban atmosphere. Fuel composition has a potentially considerable impact on gasoline SOA production, but the link between fuel components and SOA production is still poorly understood. …”
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Insights into aerosol chemistry during the 2015 China Victory Day parade: results from simultaneous measurements at ground level and 260 m in Beijing by J. Zhao, W. Du, Y. Zhang, Q. Wang, C. Chen, W. Xu, T. Han, Y. Wang, P. Fu, Z. Wang, Z. Li, Y. Sun

“…However, we also observed significant changes in SOA composition at ground level. While the more oxidized SOA showed a large decrease by 75 %, the less oxidized SOA was comparable during (5.6 µg m⁻³) and after the control periods (6.5 µg m⁻³). …”
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Multiple pathways for the formation of secondary organic aerosol in the North China Plain in summer by Y. Gu, Y. Gu, R.-J. Huang, R.-J. Huang, R.-J. Huang, J. Duan, W. Xu, C. Lin, H. Zhong, H. Zhong, Y. Wang, H. Ni, Q. Liu, R. Xu, R. Xu, L. Wang, L. Wang, Y. J. Li

“…<p>Secondary organic aerosol (SOA) has been identified as a major contributor to fine particulate matter (<span class="inline-formula">PM_2.5</span>) in the North China Plain (NCP). …”
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Substantially positive contributions of new particle formation to cloud condensation nuclei under low supersaturation in China based on numerical model improvements by C. Zhang, C. Zhang, S. Hai, S. Hai, Y. Gao, Y. Gao, Y. Wang, S. Zhang, S. Zhang, S. Zhang, L. Sheng, B. Zhao, B. Zhao, S. Wang, S. Wang, J. Jiang, J. Jiang, X. Huang, X. Shen, J. Sun, A. Lupascu, A. Lupascu, M. Shrivastava, J. D. Fast, W. Cheng, W. Cheng, X. Guo, X. Guo, M. Chu, M. Chu, N. Ma, J. Hong, Q. Wang, X. Yao, X. Yao, H. Gao, H. Gao

“…Regarding CCN, secondary organic aerosol (SOA) formed from the oxidation of semi-volatile and intermediate-volatility organic compounds (S/IVOCs) is called SI-SOA, the yield of which is an important contributor. …”
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The influence of the addition of isoprene on the volatility of particles formed from the photo-oxidation of anthropogenic–biogenic mixtures by A. Voliotis, M. Du, Y. Wang, Y. Shao, T. J. Bannan, M. Flynn, S. N. Pandis, S. N. Pandis, C. J. Percival, M. R. Alfarra, M. R. Alfarra, G. McFiggans

“…<p>In this study, we investigate the influence of isoprene on the volatility of secondary organic aerosol (SOA) formed during the photo-oxidation of mixtures of anthropogenic and biogenic precursors. …”
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An updated modeling framework to simulate Los Angeles air quality – Part 1: Model development, evaluation, and source apportionment by E. A. Pennington, Y. Wang, B. C. Schulze, B. C. Schulze, K. M. Seltzer, J. Yang, J. Yang, B. Zhao, B. Zhao, Z. Jiang, H. Shi, M. Venecek, D. Chau, B. N. Murphy, C. M. Kenseth, R. X. Ward, H. O. T. Pye, J. H. Seinfeld, J. H. Seinfeld

“…Inorganic aerosol is well predicted, while SOA is underpredicted. Modeled SOA consists of mostly organic nitrates and products from oxidation of alkane-like intermediate volatility organic compounds (IVOCs) and has missing components that behave like less-oxidized oxygenated organic aerosol (LO-OOA). …”
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On the evolution of sub- and super-saturated water uptake of secondary organic aerosol in chamber experiments from mixed precursors by Y. Wang, Y. Wang, A. Voliotis, D. Hu, Y. Shao, M. Du, Y. Chen, Y. Chen, J. Kleinheins, C. Marcolli, M. R. Alfarra, M. R. Alfarra, M. R. Alfarra, G. McFiggans

“…</p> <p>The sub- and super-saturated water uptake (in terms of both <span class="inline-formula"><i>κ</i>_HTDMA</span> and <span class="inline-formula"><i>κ</i>_CCN</span>) were mainly controlled by the SOA mass fraction, which depended on the SOA production rate of the precursors, and the SOA composition played a second-order role. …”
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Chamber investigation of the formation and transformation of secondary organic aerosol in mixtures of biogenic and anthropogenic volatile organic compounds by A. Voliotis, M. Du, M. Du, Y. Wang, Y. Wang, Y. Shao, M. R. Alfarra, M. R. Alfarra, M. R. Alfarra, T. J. Bannan, D. Hu, K. L. Pereira, K. L. Pereira, J. F. Hamilton, M. Hallquist, T. F. Mentel, G. McFiggans

“…Online and offline chemical composition as well as SOA particle volatility, water uptake, and “phase” behaviour measurements that were used to interpret the SOA formation and behaviour are introduced and detailed elsewhere.…”
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Enhanced dataset of global marine isoprene emissions from biogenic and photochemical processes for the period 2001–2020 by L. Cui, Y. Xiao, W. Hu, L. Song, Y. Wang, C. Zhang, P. Fu, J. Zhu

“…This dataset can be employed as input for the simulation of marine SOA formation in earth system models. This work provides the foundation for further studies into the impact of the air–sea system on marine SOA formation and its climate effect. …”
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Measurement Report: Investigation on the sources and formation processes of dicarboxylic acids and related species in urban aerosols before and during the COVID-19 lockdown in Jina... by J. Meng, J. Meng, Y. Wang, Y. Li, T. Huang, Z. Wang, Y. Wang, M. Chen, Z. Hou, H. Zhou, K. Lu, K. Kawamura, P. Fu

“…<p>Dicarboxylic acid (diacid) homologs are essential indicators of secondary organic aerosols (SOA) that exert a considerable influence on climate changes and atmospheric chemistry. …”
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ESTIMATION OF BVOC EMISSIONS IN GUANGZHOU AND ITS SPATIAL-TEMPORAL VARIATIONS: PRELIMINARY RESULTS FROM GLOBEIS by L. Li, Y. Wang, Y. Zheng, Y. Zheng, T. Chen

“…Biogenic VOC emissions greatly exceed anthropogenic emissions and are regarded as significant precursors to secondary organic aerosol (SOA) and ozone. Using the Global Biosphere Emission and Interactions System (GloBEIS) model, 1&thinsp;&times;&thinsp;1&thinsp;km gridded and hourly BVOC emissions in Guangzhou were estimated for the year of 2012. …”
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An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles by L. Caudillo, M. Surdu, B. Lopez, M. Wang, M. Wang, M. Thoma, S. Bräkling, A. Buchholz, M. Simon, A. C. Wagner, T. Müller, T. Müller, M. Granzin, M. Heinritzi, A. Amorim, D. M. Bell, Z. Brasseur, L. Dada, J. Duplissy, J. Duplissy, H. Finkenzeller, X.-C. He, H. Lamkaddam, N. G. A. Mahfouz, V. Makhmutov, V. Makhmutov, H. E. Manninen, G. Marie, R. Marten, R. L. Mauldin, R. L. Mauldin, B. Mentler, A. Onnela, T. Petäjä, J. Pfeifer, J. Pfeifer, M. Philippov, A. A. Piedehierro, B. Rörup, W. Scholz, J. Shen, D. Stolzenburg, C. Tauber, P. Tian, A. Tomé, N. S. Umo, D. S. Wang, Y. Wang, S. K. Weber, S. K. Weber, A. Welti, M. Zauner-Wieczorek, U. Baltensperger, R. C. Flagan, A. Hansel, A. Hansel, J. Kirkby, J. Kirkby, M. Kulmala, M. Kulmala, M. Kulmala, K. Lehtipalo, K. Lehtipalo, D. R. Worsnop, D. R. Worsnop, I. E. Haddad, N. M. Donahue, A. L. Vogel, A. Kürten, J. Curtius

“…Here we report on the chemical composition of secondary organic aerosol (SOA) nanoparticles from experimental studies of <span class="inline-formula"><i>α</i></span>-pinene ozonolysis at <span class="inline-formula">−</span>50, <span class="inline-formula">−</span>30, and <span class="inline-formula">−</span>10 <span class="inline-formula">^∘</span>C and intercompare the results measured by different techniques. …”
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