Haijie Tong,* Yun Zhang, Alexander Filippi, Ting Wang, Chenpei Li,Fobang Liu, Denis Leppla, Ivan Kourtchev, Kai Wang, Helmi-Marja Keskinen, Janne T. Levula, Andrea M. Arangio, Fangxia Shen, Florian Ditas, Scot T. Martin, Paulo Artaxo, Ricardo H. M. Godoi, Carlos I. Yamamoto, Rodrigo A. F. de Souza, Ru-Jin Huang, Thomas Berkemeier, Yueshe Wang, Hang Su, Yafang Cheng, Francis D. Pope, Pingqing Fu, Maosheng Yao, Christopher Pöhlker, Tuukka Petaja ̈ , Markku Kulmala, Meinrat O. Andreae, Manabu Shiraiwa, Ulrich Pöschl, Thorsten Hoffmann,* and Markus Kalberer*, Radical Formation by Fine Particulate Matter Associated with Highly Oxygenated Molecules. Environ. Sci. Technol. 2019, 53, 12506−12518; DOI: 10.1021/acs.est.9b05149