Aerosol Chemistry

Acid-Base Interaction of Nicotine With Benzoic Acid in Vaping Aerosols, Studied with X-Ray Spectroscopy. HASHINI WEERARATNA, Xiaochen Tang, Oleg Kostko, Vi Rapp, Lara Gundel, Hugo Destaillats, Musahid Ahmed, Lawrence Berkeley National Laboratory

Aging of Secondary Organic Aerosols at Atmospherically Relevant Acidities. CYNTHIA WONG, Sergey Nizkorodov, University of California, Irvine

Airborne Microplastics in a Suburban Location in the Desert Southwest. KANCHANA CHANDRAKANTHAN, Pierre Herckes, Arizona State University

Aqueous-Phase Autoxidation of Organic Compounds: Study on Fate and Detection of Organic Peroxides. TANIA GAUTAM, Lisa Ng, Ran Zhao, University of Alberta

Atmospheric Nucleation Potential Model for Complex Mixtures. Jack Johnson, Dominic Casalnuovo, Darren Cheng, COTY JEN, Carnegie Mellon University

Automated Mechanism Reduction Algorithm Applied to Isoprene Chemistry. FORWOOD WISER, V. Faye McNeill, Daniel Westervelt, Arlene Fiore, Daven Henze, Siddhartha Sen, Columbia University

Biofuel-Specific Molecular Composition of Organic Aerosol in Biomass Burning Smoke. KYLA SIEMENS, Theo Paik, August Li, Felipe Rivera-Adorno, Jay Tomlin, Rajan K. Chakrabarty, Alexander Laskin, Purdue University

Characterization of S(IV) Species and Sulfate in PM2.5 in Fairbanks, Alaska using Ion Chromatography. KAYANE DINGILIAN, Michael Battaglia, James Campbell, Jingqiu Mao, Rodney J. Weber, Georgia Institute of Technology

Characterizing the Aging Rate Constant and Half-life Time of the Atmospheric Polystyrene (PS) Microplastics Particles (MPP). SAHIR GAGAN, Ruizhe Liu, Sining Niu, Zhenli Lai, Andrew Lambe, Yuzhi Chen, Xingmao Ma, Yue Zhang, Texas A&M University

Chemical and Optical Properties of SOA from the Oxidation of Volatile Organic Compound Mixtures. YUMENG CUI, Kunpeng Chen, Ying-Hsuan Lin, Roya Bahreini, University of California, Riverside

Cl Oxidation in Chamber and Flow Reactors: SOA Formation, Composition, and Gas Phase Chemistry. NIRVAN BHATTACHARYYA, Pearl Abue, Leif Jahn, Kristi McPherson, Eunha Kang, William Brune, Pawel K. Misztal, Anita Avery, Andrew Lambe, Lea Hildebrandt Ruiz, University of Texas at Austin

Comparisons of Physical Properties and Compositions of Irradiated Carbonyl-containing Aqueous Aerosols and Aerosol Mimic Solutions. JOSEPH WOO, Katherine Pierre-Louis, Bruno Loyola San Martin, Erin O'Leary, Daphna Fertil, Lafayette College

Effect of Aerosol Acidity on the Kinetics and Products of Heterogeneous Hydroxyl Radical Oxidation of Isoprene Epoxydiol-Derived Secondary Organic Aerosol. JIN YAN, N. Cazimir Armstrong, Alison Fankhauser, Madeline Cooke, Nicolas Aliaga Buchenau, Yao Xiao, Zhenfa Zhang, Andrew Lambe, Avram Gold, Andrew Ault, Jason Surratt, University of North Carolina at Chapel Hill

Effect of Condensed-Phase Photochemistry on the Viscosity of Atmospheric Secondary Organic Aerosol Particles. Vahe Baboomian, Giuseppe Crescenzo, Yuanzhou Huang, Fabian Mahrt, Manabu Shiraiwa, A. K. Bertram, SERGEY NIZKORODOV, University of California, Irvine

Effect of Product Cross-Reactions from Oxidation of Cyclic and Acyclic Monoterpene Mixtures on Secondary Organic Aerosol. SIJIA LIU, Sergey Nizkorodov, Celia Faiola, University of California, Irvine

Effects of Humidity on Secondary Organic Aerosol Formation from Furanoid Oxidation with Hydroxyl Radicals. TAEKYU JOO, Jean Rivera-Rios, Tori Hass-Mitchell, Jo Machesky, Drew Gentner, Matthew Alvarado, Nga Lee Ng, Georgia Institute of Technology

Effects of Inorganic Salts and pH on the Gas-Aqueous Partitioning of Formic Acid. VIKRAM PRATAP, Rose Taylor, Joy Kiguru, Shawn Serafin, Alyssa Burns, Annmarie Carlton, Christopher Hennigan, University of Maryland, Baltimore County

Effects of Isoprene on Biogenic New Particle Formation from Pre-Nucleation to CCN Sizes. LEE TISZENKEL, Asadullah Shoaib, Yue Zhao, Yue Zhang, Shanhu Lee, University of Alabama Huntsville

Effects of NOx on the Formation of Reactive Oxygen Species and Environmentally Persistent Free Radicals from Biogenic and Anthropogenic Secondary Organic Aerosols. KASEY EDWARDS, Alexandra Klodt, Tommaso Galeazzo, Meredith Schervish, Jinlai Wei, Ting Fang, Bernard Aumont, Sergey Nizkorodov, Manabu Shiraiwa, University of California, Irvine

Effects of RH and UV Light on the Formation, Composition, and Aging of SOA Derived from the High-NOx Oxidation of Ethylbenzene by Chlorine Radical. LEIF JAHN, Lea Hildebrandt Ruiz, University of Texas at Austin

Effects of Wet Removal on Aerosol Mass and Chemical Composition. CHRISTOS STAMATIS, Graham Frazier, Raina Lenear, Gabriel Isaacman-VanWertz, Virginia Tech

Elucidation of the Structures and Formation Mechanism of Dimer Esters in α-Pinene and β-Pinene Secondary Organic Aerosol. CHRISTOPHER KENSETH, Nicholas Hafeman, Samir Rezgui, Yuanlong Huang, Nathan Dalleska, Brian Stoltz, John Seinfeld, California Institute of Technology

Estimated Timescales for Wet Deposition of Organic Compounds as a Function of Henry’s Law Constants. CHENYANG BI, Gabriel Isaacman-VanWertz, Virginia Tech

Estimates of IEPOX Based SOA Formation in CMAQ 5.3.2 Using Updated Kinetics and Thermodynamics. JAIME GREEN, Yuzhi Chen, Jason Surratt, William Vizuete, University of North Carolina at Chapel Hill

Evaporation of Volatile Components Transforms Optical Properties and Composition of Aged BrC Aerosol. DIEGO CALDERON-ARRIETA, Ana Morales, Anusha P.S. Hettiyadura, Chunlin Li, Taylor Estock, Yinon Rudich, Alexander Laskin, Purdue University

Exploring the Chemical Evolution of Aerosol Particle Composition and Physical Properties using Single Particle Levitation. RAVLEEN KAUR KOHLI, James F. Davies, University of California, Riverside

Exploring the Effects of Chemical Composition on Viscosity of Secondary Organic Aerosol from n-alkanes Oxidation. TOMMASO GALEAZZO, Bernard Aumont, Manabu Shiraiwa, University of California, Irvine

Formation of Reactive Oxygen Species in Irradiated Mixtures of Biomass Burning Compounds. LENA GERRITZ, Jinlai Wei, Sergey Nizkorodov, Manabu Shiraiwa, University of California, Irvine

Growth Rate Dependence of Secondary Organic Aerosol on Seed Particle Size, Composition, and Phase. DEVON HIGGINS, Michael S. Taylor, Justin Krasnomowitz, Murray Johnston, University of Delaware

Heterogeneous Chemistry on Biomass Burning Aerosol: Aircraft Measurements of N2O5 and ClNO2 during FIREX-AQ. Zachary Decker, STEVEN S. BROWN, Kenneth Aikin, Ilann Bourgeios, Pedro Campuzano-Jost, Matthew Coggon, Josh DiGangi, Glenn Diskin, Frank Flocke, Alessandro Franchin, Carley D. Fredrickson, Georgios Gkatzelis, Hongyu Guo, Sam Hall, Hannah Halliday, Katherine L. Hayden, Christopher D. Holmes, Jose-Luis Jimenez, Melinda Beaver, Ann M. Middlebrook, D. D. Montzka, Richard Moore, J. Andrew Neuman, John Nowak, et al., National Oceanic and Atmospheric Administration

HMS/Sulfate Ratio as a Constraint on Aqueous Sulfur Chemistry Under Cold and Dark Conditions. JAMES CAMPBELL, Michael Battaglia, Kayane Dingilian, Jason St. Clair, Meeta Cesler-Maloney, William Simpson, Athanasios Nenes, Rodney J. Weber, Jingqiu Mao, University of Alaska Fairbanks

Hybrid Water Activity – A Novel Framework for CCN Analysis of Sparingly Water Soluble Organic Aerosols. KANISHK GOHIL, Chun-Ning Mao, Dewansh Rastogi, Chao Peng, Mingjin Tang, Akua Asa-Awuku, University of Maryland

Identifying a Missing Link: Confirmation of the Structure and Origin of 4-hydroperoxy-3-methylbut-2-enal (4-HPALD) with an Authentic Standard. REBECCA RICE, Jin Yan, Sebastian Gerber, Stephan Graf, Michael Kamrath, Felipe Lopez-Hilfiker, Matthieu Riva, Zhenfa Zhang, Jason Surratt, Avram Gold, University of North Carolina at Chapel Hill

Identifying the Temporal Change and Impact of Liquid Water Content, Acidity, and Meteorological Conditions on Fine Particle Concentration and Composition in San Antonio, Texas. FANGZHOU GUO, Alexander Bui, Benjamin Schulze, Chun-Ying Chao, Sergio Alvarez, Subin Yoon, Sujan Shrestha, Rebecca J. Sheesley, Sascha Usenko, James Flynn, Shan Zhou, Robert Griffin, University of Houston

Insights into the Alkene Triol Conundrum: Characterization and Quantitation of Isoprene-Derived C5H10O3 Reactive Uptake Products. MOLLY FRAUENHEIM, Melinda Beaver, John Offenberg, Zhenfa Zhang, Jason Surratt, Avram Gold, University of North Carolina at Chapel Hill

Isoprene Epoxydiol-Derived Sulfated and Non-Sulfated Oligomers Suppress Particulate Mass Loss during Oxidative Aging of Secondary Organic Aerosol. N. CAZIMIR ARMSTRONG, Yuzhi Chen, Tianqu Cui, Yue Zhang, Zhenfa Zhang, Barbara Turpin, Man Nin Chan, Avram Gold, Andrew Ault, Jason Surratt, UNC-Chapel Hill

Laboratory Investigation of ClNO2 Production from Environmental Samples Collected Near the Great Salt Lake. JAMES CHRISTIE, Sean O'Connel-Lopez, Kevin Perry, Kerri Pratt, Cassandra Gaston, University of Miami

Measuring and Modeling Ultrafine Particle Growth by Isoprene Ozonolysis Secondary Organic Aerosol. MICHAEL S. TAYLOR, Murray Johnston, University of Delaware

Measuring Photodegradation of Humic Substances with a Quartz Crystal Microbalance. MINGRUI SUN, Geoffrey Smith, University of Georgia

Modeled Impact of Deposition on the Oxidation Pathways of Common Reactive Precursors. GABRIEL ISAACMAN-VANWERTZ, Chenyang Bi, Virginia Tech

Modeling of the Atmospheric Process of Cyanobacterial Toxins in Algal Aerosol. VICTORIA ZORBAS, Myoseon Jang, University of Florida

Molecular and Structural Characterization of Isomeric Compounds in Atmospheric Aerosols Using Ion Mobility Spectrometry – Mass Spectrometry. CHRISTOPHER P. WEST, Daniela Mesa Sanchez, Ana Morales, Yun-Jung Hsu, Jackson Ryan, Andrew Darmody, Lyudmila Slipchenko, Julia Laskin, Alexander Laskin, Purdue University

Molecular Chemical Speciation of HOMs in Urban Aerosols with FIGAERO CI-APi-TOF and LC-ESI-Orbitrap High-Resolution Mass Spectrometers. LEE TISZENKEL, Asadullah Shoaib, Sameera White, Rachel Hurley, Yue Zhang, Shanhu Lee, University of Alabama Huntsville

Multi-Phase Product Distribution of Cl-Initiated VOC Oxidation. HANNAH KENAGY, Lesly Franco Deloya, Jesse Kroll, Massachusetts Institute of Technology

Nitration Reactions of Proteins in Urban Air: O3 and NO2 Concentrations, Exposure Time, and Implications. RACHEL L. DAVEY, Erick Mattson, J. Alex Huffman, University of Denver

Observations of Gas and Particle Phase Composition of a-Thujene Ozonolysis Products. MICHELIA DAM, Adam Thomas, James Smith, University of California, Irvine

OH-initiated Photooxidation of Gas-phase Monoterpene-derived Hydroxy Nitrates. NGA LEE NG, Yuchen Wang, Masayuki Takeuchi, Georgia Institute of Technology

Organic Markers for the Detection of Ship Plumes in Single-particle Mass Spectrometry. JOHANNES PASSIG, Lukas Anders, Julian Schade, Ellen-Iva Rosewig, Paul Haubenwallner, Robert Irsig, Sven Ehlert, Thorsten Streibel, Andreas Walte, Thomas Adam, Ralf Zimmermann, Helmholtz Zentrum München and University of Rostock

Organosulfate Formation in Proxies for Aged Sea Spray Aerosol: Reactive Uptake of Isoprene Epoxydiols to Acidic Sodium Sulfate. MADELINE COOKE, Ziying Lei, Yuzhi Chen, N. Cazimir Armstrong, Yue Zhang, Nicolas Aliaga Buchenau, Isabel Ledsky, Jamy Lee, Avram Gold, Zhenfa Zhang, Jason Surratt, Andrew Ault, University of Michigan

Particle-phase Diffusion Limitations in Fresh Isoprene Secondary Organic Aerosol. YUZHI CHEN, Rahul Zaveri, Zezhen Cheng, Gregory Vandergrift, Swarup China, Alla Zelenyuk, John Shilling, Pacific Northwest National Laboratory

Particles’ Phase State Variability in the North Atlantic Free Troposphere during Summertime Determined by Different Atmospheric Transport Patterns and Sources. ZEZHEN CHENG, Megan Morgenstern, Bo Zhang, Matthew Fraund, Nurun Nahar Lata, Rhenton Brimberry, Matthew A. Marcus, Lynn Mazzoleni, Paulo Fialho, Silvia Henning, Birgit Wehner, Claudio Mazzoleni, Swarup China, Pacific Northwest National Laboratory

Phase Morphology and Optical Properties of Brown Carbon Containing Aerosol Particles. Chelsea Price, JAMES F. DAVIES, Thomas Preston, Roya Bahreini, University of California Riverside

Phase State and Relative Humidity Regulate the Heterogeneous Oxidation Kinetics and Pathways of Organic-Inorganic Mixed Aerosol. CHUANYANG SHEN, Wen Zhang, Haofei Zhang, University of California, Riverside

Photosensitized Aging of Secondary Organic Aerosol by Nitrophenols. AVERY DALTON, Maggie Chou, Sergey Nizkorodov, University of California, Irvine

Primary Emissions and Secondary Aerosol Formation from In-use Heavy-Duty Diesel and Natural Gas Vehicles. SAHAR GHADIMI, Hanwei Zhu, David R. Cocker III, Thomas D. Durbin, Georgios Karavalakis, University of California, Riverside

Quantifying the Chemical Composition and Mass Loading of Microplastic Submicron Particles (MPPs) in the Atmosphere using Real-time Aerosol Mass Spectrometry. SINING NIU, Ruizhe Liu, Sahir Gagan, Nicolas Aliaga Buchenau, Sarah Brooks, Jason Surratt, Xingmao Ma, Manjula Canagaratna, Yue Zhang, Texas A&M University

Regional Modeling of SOA Formation Considering Aqueous Chemistry under Different Humidities. YUJIN JO, Myoseon Jang, University of Florida

Relative Humidity Effects on the Oxidative Aging of Isoprene Epoxydiol-Derived Secondary Organic Aerosol. ALISON FANKHAUSER, Madeline Cooke, Jin Yan, Cara Waters, Rebecca Parham, N. Cazimir Armstrong, Yao Xiao, Katherine Kolozsvari, Zhenfa Zhang, Avram Gold, Jason Surratt, Andrew Ault, University of Michigan

Relative Humidity Enhancement of New Particle Formation for a Variety of Biogenically - Derived Secondary Organic Aerosol at Atmospherically Relevant Mixing Ratios. AUSTIN FLUECKIGER, Giuseppe Petrucci, The University of Vermont

Revisiting the Simulation of Intermediate Volatility Compounds (IVOCs) in Chemical Transport Models. STELLA EFTYCHIA MANAVI, Spyros Pandis, University of Patras, FORTH

Role of Methane Sulfonic Acid in Sulfuric Acid-Base Nucleation. JACK JOHNSON, Coty Jen, Carnegie Mellon University

Roles of Sufluric Acid, Ammonia, and Amines on New Particle Formation in Kent, Ohio. Buddhi Pushpawela, SHANHU LEE, Lee Tiszenkel, The University of Alabama in Huntsville

Secondary Organic Aerosol Formation from Photooxidation of Acyclic Terpenes in an Oxidation Flow Reactor. SHAN GU, Farzaneh Khalaj, Véronique Perraud, Celia Faiola, University of California, Irvine

Secondary Organic Aerosol Formation from Photooxidation of Oxygenated Monoterpenes in Simple and Complex Chemical Systems. CELIA FAIOLA, Farzaneh Khalaj, Shan Gu, Véronique Perraud, Leah Williams, Jordan Krechmer, Andrew Lambe, University of California, Irvine

Secondary Organic Aerosol from Gas- and Aqueous-phase Oxidation of Volatile Organic Compounds in an Oxidation Flow Reactor. NINGJIN XU, Chen Le, Kunpeng Chen, Ying-Hsuan Lin, David R. Cocker III, Don Collins, University of California, Riverside

Secondary Organic Aerosol Mass Yields and Composition from NO3 Oxidation of α-pinene and Δ-carene: Effect of RO2 Radical Fate. DOUGLAS DAY, Juliane Fry, Hyun-Gu Kang, Jordan Krechmer, Benjamin Ayres, Natalie Keehan, Samantha Thompson, Weiwei Hu, Pedro Campuzano-Jost, Jason Schroder, Harald Stark, Marla DeVault, Paul Ziemann, Kyle Zarzana, Robert Wild, William Dubè, Steven S. Brown, Jose-Luis Jimenez, CIRES, University of Colorado, Boulder

Secondary Organic Bulk and Molecular Aerosol Yields and Product Identification and Quantification using HPLC technique from the OH and NO3 initiated Photooxidation of 5 BBVOCs. MELINDA SCHUENEMAN, Douglas Day, Demetrios Pagonis, Pedro Campuzano-Jost, Seonsik Yun, Olivia Jenks, Dongwook Kim, Marla DeVault, Paul Ziemann, Joost de Gouw, Jose-Luis Jimenez, CIRES, University of Colorado, Boulder

Simultaneously Characterizing the Volatility Distribution and Phase State of Laboratory-Generated and Ambient Aerosol Particles with a Vocus Chemical Ionization Mass Spectrometer. SINING NIU, Jordan Krechmer, Harald Stark, Yue Zhang, Texas A&M University

Source Characterization and Quantification of Atmospheric Nanoplastics. MICHAEL TAWADROUS, Arthur W. H. Chan, Alex Lee, University of Toronto

Struvite-Catalyzed Photochemical Reactions of Aqueous-Phase Guaiacyl Acetone and 3,4-Dimethoxybenzaldehyde. MARIA MISOVICH, Manoj Silva, Robert Blakeslee, Jonas Baltrusaitis, Alexander Laskin, Purdue University

Synthesis of Oxidation Products from Biogenic Volatile Organic Compounds in the Atmosphere: A Review. SAHIR GAGAN, Kumar Sarang, Ruizhe Liu, Yue Zhang, Texas A&M University

The Chemical Fate of Sulfur in Thiophene against Nitrate Radical Oxidation. MICHAEL LUM, Kunpeng Chen, Alexander B. MacDonald, Nilofar Raeofy, Raphael Mayorga, Haofei Zhang, Roya Bahreini, Ying-Hsuan Lin, University of California, Riverside

The Effect of Initial Conditions on the Growth of Particulate Matter from Aromatic Hydrocarbons. ISSAK PROAÑO LÓPEZ, Murray Johnston, University of Delaware

The Fate of RO2 Radicals from α-Pinene and Naphthalene Precursors under Constant Branching Ratio with Continues NOx Injection. SAHAR GHADIMI, David R. Cocker III, University of California, Riverside

The Hygroscopicity of Functionalized Insoluble Aerosol Surfaces. CHUN-NING MAO, Kanishk Gohil, Akua Asa-Awuku, University of Maryland

The Hygroscopicity of Functionalized Insoluble Aerosol Surfaces. CHUN-NING MAO, Kanishk Gohil, Akua Asa-Awuku, University of Maryland

The Peroxy Radical Fates during Heterogeneous Oxidation of Organic Aerosols. WEN ZHANG, Chuanyang Shen, Haofei Zhang, University of California, Riverside

The Potential Environmental and Climate Impacts of Stratospheric Aerosol Injection: A Review. HAN N. HUYNH, V. Faye McNeill, Columbia University

The Relationship of Air Pollution Sources and the Oxidative Potential of Particulate Matter (PM) in Different Cities Around the World. VAHID JALALI FARAHANI, Constantinos Sioutas, Ramin Tohidi, Abdulmalik Altuwayjiri, University of Southern California

Tight Coupling of Surface and In-Plant Biochemistry and Convection Governs Key Fine Particulate Components over the Amazon Rainforest. MANISHKUMAR SHRIVASTAVA, Quazi Rasool, Bin Zhao, Mega Octaviani, Rahul Zaveri, Alla Zelenyuk, Brian Gaudet, John Shilling, Johannes Schneider, Christiane Schulz, Ying Liu, Scot T. Martin, Jianhuai Ye, Alex Guenther, Rodrigo Souza, Martin Zoeger, Martin Wendisch, Ulrich Pöschl, Pacific Northwest National Laboratory

Trapped in the Inversion Layer: Composition and Morphology of Single Aerosol Particles in the Urban Arctic Winter. EMILY COSTA, Jessica Mirrielees, Jessie Creamean, Andrew Holen, Judy Wu, Swarup China, Kerri Pratt, University of Michigan

Ultrafine Aerosol Particle Formation and Impacts in Houston during TRACER. JEREMY WAKEEN, Xuanlin Du, Sam O'Donnell, Jeffrey R. Pierce, Don Collins, James Smith, University of California, Irvine

Understanding Secondary Organic Aerosol Formation of Isoprene and Nitrate Radical Reactions: Role of Oxidants. TIANCHANG XU, Masayuki Takeuchi, Nga Lee Ng, Georgia Institute of Technology

Understanding the Atmospheric Chemistry and Physicochemical Properties of Secondary Aerosol Formation from Gas- and Aqueous-phase Oxidation of Methylated Selenium Species. NINGJIN XU, Yumeng Cui, Michael Lum, Ying Zhou, Roya Bahreini, Ying-Hsuan Lin, Don Collins, University of California, Riverside

Unexpected Reduction of Phenolic SOA Formation in the Presence of Electrolytic Inorganic Seed. JIWON CHOI, Myoseon Jang, University of Florida