2)- Peeyush Khare, Jordan E Krechmer, Jo Ellen Machesky, Tori Hass-Mitchell, Cong Cao, Junqi Wang, Francesca Majluf, Felipe Lopez-Hilfiker, Sonja Malek, Will Wang, Karl Seltzer, Havala O T Pye, Roisin Commane, Brian C McDonald, Ricardo Toledo-Crow, John E Mak, Drew R Gentner. Ammonium-adduct chemical ionization to investigate anthropogenic oxygenated gas-phase organic compounds in urban air.Atmospheric chemistry and physics. 2022, 22 (21): 14377-14399