American Association for Aerosol Research - Abstract Submission

AAAR 38th Annual Conference
October 5 - October 9, 2020

Virtual Conference

Instrumentation and Methods


A Dual-Droplet Approach to Characterizing Hygroscopic Growth using a Linear Quadrupole Electrodynamic Balance. JACK CHOCZYNSKI, James F. Davies, University of California, Riverside

A Mobility Particle Size Spectrometer to Access the 1nm Particle Size Range: The PSMPS. GERHARD STEINER, Joonas Vanhanen, Joonas Enroth, Lothar Keck, Minna Väkevä, Grimm Aerosol Technik Ainring

A New Moderate-cost Method for the Characterization of Organic Aerosol by Volatility and Elemental Ratios. PURUSHOTTAM KUMAR, James Hurley, Nathan Kreisberg, Braden Stump, Susanne Hering, Patricia Keady, Gabriel Isaacman-VanWertz, Virginia Tech

Accurate Aerosol Absorption Measurements at Reduced Sample Pressures. MICHAEL COTTERELL, Kate Szpek, David Tiddeman, Jim Haywood, Justin Langridge, University of Bristol

Aerosol pH Indicator and Organosulfate Detectability from Aerosol Mass Spectrometry Measurements. MELINDA SCHUENEMAN, Benjamin A. Nault, Pedro Campuzano-Jost, Douglas Day, Duseong Jo, Jason Schroder, Brett Palm, Alma Hodzic, Jack Dibb, Paul Wennberg, Karl D. Froyd, Glenn Diskin, Jose-Luis Jimenez, University of Colorado Boulder

Aerosolization of Fine Lunar Simulant Particles for Size and Charge Characterization and Low-Cost Sensor Calibration. ABHAY VIDWANS, Shruti Choudhary, Brad Jolliff, Pratim Biswas, Washington University in St Louis

Airborne Extractive Electrospray Mass Spectrometry (EESI) Measurements of the Chemical Composition of Biomass Burning Organic Aerosol. DEMETRIOS PAGONIS, Pedro Campuzano-Jost, Hongyu Guo, Douglas Day, Melinda Schueneman, Wyatt Brown, Benjamin A. Nault, Kyla Siemens, Alexander Laskin, Felix Piel, Laura Tomsche, Tomas Mikoviny, Armin Wisthaler, Jose-Luis Jimenez, University of Colorado-Boulder

An Automated Approach to Identify and Quantify Compounds in Large GC-MS Datasets using Positive Matrix Factorization. SOHYEON JEON, Michael Walker, Claire Fortenberry, Brent Williams, Washington University in St. Louis

Analysis of the Unresolved Complex Mixture of Intermediate Volatile Organic Compounds in Gas Chromatograph-Mass Spectrum Data using Positive Matrix Factorization. Quanyang Lu, Christopher Hennigan, Albert Presto, Yunliang Zhao, Neil Donahue, ALLEN ROBINSON, Carnegie Mellon University

Application and In-Field Assessment of a High Flow Rate Electrostatic Precipitator (ESP) in Collecting Fine Particulate Matter (PM2.5) for Toxicological Studies. MILAD PIRHADI, Amirhosein Mousavi, Constantinos Sioutas, University of Southern California

Application of Machine Learning to Development of Atmospheric Chemical Mechanisms. YUANLONG HUANG, Weimeng Kong, John Seinfeld, California Institute of Technology

Comparison of Inversion Schemes for Retrieving Black Carbon Mixing State Distributions using CPMA-SP2 Measurements. Naseri Arash, Timothy Sipkens, Una Trivanovic, Mohsen Kazemimanesh, Olanrewaju Wasiu Bello, Allan Bertram, Steven Rogak, JASON S. OLFERT, University of Alberta

Comprehensive Detection of All Analytes in Large Chromatographic Atmospheric Dataset. SUNGWOO KIM, Gabriel Isaacman-VanWertz, Virginia Tech

Consideration of Dynamic Gas-Particle Partitioning in National-Scale Emission Inventories. BENJAMIN MURPHY, Aditya Sinha, Quanyang Lu, Claudia Toro, Amara Holder, Ying Hsu, Madeleine Strum, Hugo Denier van der Gon, Justine Geidosch, Ingrid George, Andrew Grieshop, Michael Hays, Darrell Sonntag, George Pouliot, Havala Pye, David Simpson, Allen Robinson, United States Environmental Protection Agency

Design and Characterization of a New OFR: The Particle Formation Accelerator (PFA). NINGJIN XU, Don Collins, University of California, Riverside

Design and Characterization of an Advanced Thermal Denuder. MARTIN IRWIN, Jacob Swanson, Adam M Boies, Catalytic Instruments

Design and Characterization of an Ag Generator. MARTIN IRWIN, Jacob Swanson, Adam M Boies, Catalytic Instruments

Detailed Comparisons of Organic Aerosol Composition Measurements Using Advanced Mass Spectrometric Techniques. ERIK HELSTROM, Abigail Koss, Jordan Krechmer, Manjula Canagaratna, Frank Keutsch, Alexander Zaytsev, Jesse Kroll, MIT

Determining the Cut-Off Diameter and Counting Efficiency of Optical Particle Counters With an Aerodynamic Aerosol Classifier and an Inkjet Aerosol Generator. Steven Tran, KENJIRO IIDA, Yoshiko Murashima, Hiromu Sakurai, Jason S. Olfert, University of Alberta

Development and Evaluation of a Low-Cost Black and Brown Carbon Filter Analyzer. EMILY FLOESS, Andrew Grieshop, North Carolina State University

Development of a Personal Sampler Combined with Adenosine Triphosphate Bioluminescence Assay for the Rapid Measurement of Bioaerosols. LI LIAO, Jeong Hoon Byeon, Jae Hong Park, Purdue University

Dual Cavity Spectrometer for Monitoring Broadband Light Extinction by Atmospheric Aerosols. AISWARYA SASEENDRAN, Susan Mathai, Shreya Joshi, Anoop Pakkattil, Tyler Capek, Gregory Kinney, Claudio Mazzoleni, Ravi Varma, Michigan Technological University

Effect of Relative Humidity on the Performance of Five PM Sensors. PENG WANG, Feng Xu, Huanqin Wang, Da-Ren Chen, Virginia Commonwealth University

Effects of Inlet Temperature and Particle Transmission on Automated Mercury Analysis. Adriana Mustata, ELISABETH GALARNEAU, Geoff Stupple, Alexandra Steffen, Environment and Climate Change Canada

Elemental Analysis of Oxygenated Organic Coatings on Black Carbon Particles using a Soot-Particle Aerosol Mass Spectrometer. MUTIAN MA, Laura-Helena Rivellini, Yuxi Cui, Megan Willis, Rio Wilkie, Jonathan Abbatt, Manjula Canagaratna, Junfeng Wang, Xinlei Ge, Alex Lee, National University of Singapore

Evaluation and Applications of Methods for Quantification of Bulk Particle-phase Organic Nitrates Using Real-time Aerosol Mass Spectrometry. DOUGLAS DAY, Pedro Campuzano-Jost, Benjamin A. Nault, Brett Palm, Weiwei Hu, Paul Wooldridge, Ronald Cohen, Kenneth S. Docherty, J. Alex Huffman, Suzane de Sá, Scot T. Martin, Jose-Luis Jimenez, CIRES, University of Colorado, Boulder

Evaluation Methods for Low-Cost Particulate Matter Sensors in Rural Oklahoma. JEFF BEAN, Phillips 66

Experimental Characterization of Light Backscattering. BLAINE FRY, Christopher Sorensen, Kansas State University

Gas-phase Ion Structures of Molecules in Secondary Organic Aerosol: Infrared Photodissociation of Ions Across the Fingerprint Region. Corey Thrasher, Lemai Vo, Giel Berden, Jonathan Martens, Jos Oomens, RACHEL O'BRIEN, William & Mary

Identification of High-emitting Heavy-duty Diesel Trucks with Low-cost Sensors and the Plume Capture Method. REBECCA SUGRUE, Chelsea V. Preble, Thomas W. Kirchstetter, University of California, Berkeley

Impacts of Data Completeness on Hourly Averaged PurpleAir PM2.5 Concentrations and AQI Category Estimation during Smoke Events. SAMUEL FREDERICK, Karoline Barkjohn, Amara Holder, Andrea Clements, U.S. EPA Office of Research and Development

Improvement on Differential Mobility Analyzer Method for Estimation of the Enthalpy of Vaporization Using an Algorithm to Derive Particle Size Changes from Full-Size Distribution. CHIRANJIVI BHATTARAI, Andrey Khlystov, Desert Research Institute

Increased Temporal Resolution of Environmentally Persistent Free Radicals (EPFR) in Atmospheric Particulate Matter and Combustion Particles via Electron Paramagnetic Resonance (EPR) Spectroscopy. HEATHER RUNBERG, Deborah Mitchell, Sandra Eaton, Gareth Eaton, Brian Majestic, University of Denver

Influence of the Peaks Method Assumption on Variation in Volatility Tandem Differential Mobility Analyzer Measurements. CHRISTOPHER OXFORD, Brent Williams, Washington University in St. Louis

Integrated Aerosol Mass and Number Measurements with the Mass and Mobility Aerosol Spectrometer (M2AS). KINGSLEY REAVELL, David Walker, Cambustion Ltd

Interferences on Aerosol Acidity Quantification due to Gas-phase Ammonia Uptake onto Acidic Sulfate Filter Samples. BENJAMIN A. NAULT, Pedro Campuzano-Jost, Douglas Day, Hongyu Guo, Duseong Jo, Anne Handschy, Demetrios Pagonis, Jason Schroder, Melinda Schueneman, Bruce Anderson, Charles Brock, Michael Cubison, Jack Dibb, Glenn Diskin, Karl D. Froyd, Weiwei Hu, Agnieszka Kupc, J. Andrew Neuman, Brett Palm, Eric Scheuer, Gregory Schill, Christina Williamson, Jose-Luis Jimenez, CIRES, University of Colorado, Boulder

Isomer-resolved Quantification of Particle-phase Organic Compounds Using a Coupled GC-CIMS/FID. CHENYANG BI, Jordan Krechmer, Graham Frazier, Wen Xu, Andrew Lambe, Megan Claflin, Brian Lerner, John Jayne, Douglas Worsnop, Manjula Canagaratna, Gabriel Isaacman-VanWertz, Virginia Tech

Laboratory and Modeling Evaluation of Particle-Dependent Inaccuracies in Low-Cost Optical Sensors. AMANDA GAO, David Hagan, Eben Cross, Jesse Kroll, MIT

Low Cost Detection Method for in Situ Detection of Aerosol Acidity Using Colorimetry Integrated With Camera. AZAD MADHU, Myoseon Jang, Zechen Yu, University of Florida

Machine Learning Approaches to Characterizing Soot in TEM Images. TIMOTHY SIPKENS, Hamed Nikookar, Steven Rogak, University of British Columbia

Measurements of Aerosol Hygroscopic Growth as a Function of RH Using a Humidity-controlled Fast Integrated Mobility Spectrometer. JIAOSHI ZHANG, Steven Spielman, Yang Wang, Susanne Hering, Jian Wang, Washington University in St. Louis

Measuring Humidification Effects on Ammonium Sulfate – Nigrosin Mixtures with a Novel Humidity Controlled Albedometer. TYLER CAPEK, Christian Carrico, Kyle Gorkowski, Jared Lam, James D. Lee, Allison Aiken, Timothy Onasch, Andrew Freedman, Claudio Mazzoleni, Manvendra Dubey, Michigan Technological University

Modification of a Water-based Condensation Particle Counter to Rapidly Measure Sub 3 Nanometer Atmospheric Clusters through Pulse Height Analysis: Laboratory and Field Measurements. CHONGAI KUANG, Darielle Dexheimer, Brookhaven National Laboratory

Molecular Analysis of Freshly Nucleated α-pinene SOA Using Droplet Assisted Ionization. DEVAN E. KERECMAN, Murray Johnston, University of Delaware

Multidimensional Chromatogram Binning – Positive Matrix Factorization Analysis for Gas Chromatography – High Resolution Mass Spectrometry Datasets. MICHAEL WALKER, Raul Martinez, David Hagan, Haofei Zhang, Lindsay Yee, Allen Goldstein, Brent Williams, Washington University in St. Louis

New Inlet for Increasing Concentrations of Reactive Organic Gases in SCCM-Level Sample Flows. NAMRATA SHANMUKH PANJI, Gabriel Isaacman-VanWertz, Virginia Tech

Online Measurement of Semi-volatile Tracer Molecules in Workplace Room Air using Thermal Desorption Aerosol Gas Chromatography-Mass Spectrometry. WEN XU, Philip Croteau, Nathan Kreisberg, Allen Goldstein, John Jayne, Douglas Worsnop, Aerodyne Research, Inc.

Online Shape and Density Measurement of Single Black Carbon Aerosol Particles. Shurong Wang, Kaili Zhou, JianMin Chen, Kimberly Prather, Xin Yang, XIAOFEI WANG, Fudan University

Operation of a Condensation Particle Counter under the Low-pressure Condition. FAN MEI, Maynard Havlicek, Mikhail Pekour, Andrea Tiwari, Jason Tomlinson, Beat Schmid, Oliver F. Bischof, Patrick Roth, Pacific Northwest National Laboratory

Performance Characteristics of a Dual Stage Porous Tube Thermodiluter. AARON AVENIDO, Justin Koczak, Modi Chen, Francisco Romay, Russell Graze, Noah Bock, Darrick Zarling, TSI Incorporated

Performance Characterization of Low-Cost Sensor Observations in a Near-Source Environment in Rural Malawi. ASHLEY BITTNER, Eben Cross, David Hagan, Carl Malings, Eric Lipsky, Andrew Grieshop, North Carolina State University

Performance Evaluations of Multiple Commercial PM Sensors in Research Triangle Park, NC. SAMUEL FREDERICK, Karoline Barkjohn, Cortina Johnson, Ian VonWald, Andrea Clements, U.S. EPA Office of Research and Development

Performance Validation of Bio-Particle Counter by Using Inkjet Aerosol Generator. KENJIRO IIDA, Hiromu Sakurai, AIST

Positive and Negative Emissions from Cooling Towers. CHRISTOPHER WALLIS, Mason Leandro, Patrick Chuang, Anthony S. Wexler, University of California, Davis

Recommended Calibrations for Aerodyne Aerosol Mass Spectrometers to Reduce Uncertainty and to Improve Quantificaiton. BENJAMIN A. NAULT, Pedro Campuzano-Jost, Douglas Day, Hongyu Guo, Melinda Schueneman, Weiwei Hu, Brett Palm, Jason Schroder, Jose-Luis Jimenez, CIRES, University of Colorado, Boulder

Scattered Light Truncation Issues in the CAPS PM Single Scattering Albedo (CAPS PMssa) Monitor: Effects of Particle Size Distribution and Fefractive Index. FENGSHAN LIU, Joel Corbin, Prem Lobo, Gregory Smallwood, National Research Council Canada

Simultaneous Optical Photothermal Infrared (O-PTIR) and Raman Spectroscopy of Submicrometer Atmospheric Particles. ANDREW AULT, Nicole Olson, Yao Xiao, Ziying Lei, University of Michigan

Temperature Dependent Phase Separation and Ice Nucleation Studies of Model Aerosols Using Droplet Microfluidics. PRIYATANU ROY, Cari Dutcher, University of Minnesota

The Impact of Structure on the Estimation of Atmospherically Relevant Physicochemical Parameters. GABRIEL ISAACMAN-VANWERTZ, Bernard Aumont, Virginia Tech

Thermal-induced Alternation in Size Distribution of Gold Nanoparticles Characterized by Differential Mobility Analyzer. ALICE CHINGHSUAN CHANG, Fang-Hsin Lin, Industrial Technology Research Institute

Ultrasonic Aerosolization of Powder Phase Materials to Generate High Concentration Aerosol. Rayhan Ahmed, Vikram Suresh, Li Li, RANGANATHAN GOPALAKRISHNAN, The University of Memphis

Validating Wildfire Smoke Transport within a High-density, Low-cost Sensor Network. KERRY KELLY, Derek Mallia, Adam Kochanski, Wei Xing, Tofigh Sayahi, Tom Becnel, Pierre-Emmanuel Gaillardon, Ross Whitaker, University of Utah

Volatility Measurement of Organic Aerosol by Mass Fraction Remaining: Challenges and Advances. KAROLINA CYSNEIROS DE CARVALHO, Sohyeon Jeon, Christopher Oxford, Michael Walker, Brent Williams, Washington University in St. Louis

Yearlong Performance of Six PM Air Sensor Models across Seven U.S. Sites. KAROLINE BARKJOHN, Cortina Johnson, Samuel Frederick, Robert Yaga, Brittany Thomas, William Schoppman, Andrea Clements, ORISE fellow, U.S. EPA Office of Research and Development