Instrumentation and Methods


A Computational Sensitivity Study To Refine Photoacoustic Absorption Signals Through Geometry Optimization. PRABHAV UPADHYAY, Benjamin Sumlin, Rajan K. Chakrabarty, Washington University in Saint Louis

A Pulsed Condensation Particle Counter for Community Monitoring. SUSANNE HERING, Gregory S. Lewis, Steven Spielman, David Pariseau, Aerosol Dynamics Inc.

Aerosol Sampling from Aircraft: Impact of Turbulence on Aspiration and Transmission Efficiencies. NAGARAJAN RADHAKRISHNAN, Sreekesh Kookkal, Suresh Dhaniyala, Clarkson university

Aerosol Sensor Based on Air-gap Fabry-Perot Optical Microcavities. Chandra Raman, JACOB WILLIAMSON, Spencer Olson, Meagan Plummer, Robert Leonard, Matthew Marshall, Georgia Institute of Technology

Aspiration Efficiency of Purpleair Pa -2- Flex Air Quality Sensor under Varying Wind Conditions. NAGARAJAN RADHAKRISHNAN, Suresh Dhaniyala, Clarkson university

Boundary Layer Profiles of Particle Turbulent Mass Fluxes at the Southern Great Plains Site. AJMAL RASHEEDA SATHEESH, Markus Petters, Nicholas Meskhidze, NC State University

Can Infrared Spectra Functional Group Measurements Improve Organic Aerosol Characterization from Time of Flight-Aerosol Chemical Speciation Monitor (TOF-ACSM)?. NA MAO, Manjula Canagaratna, Nga Lee Ng, Satoshi Takahama, Ann Dillner, University of California, Davis

Capturing Single Aerosol Particle-Droplets into a Microfluidic Device for Surface-Enhanced Raman Spectroscopic Analysis. WENDY FLORES-BRITO, Shelley Anna, Coty Jen, Ryan Sullivan, Carnegie Mellon University

Challenges in Measurement and Interpretation of the Lidar-retrieved Aerosol Vertical Turbulent Mass Fluxes. NICHOLAS MESKHIDZE, Ajmal Rasheeda Satheesh, Markus Petters, NC State University

Characteristics of Condensable Particulate Matter Formation in the EPA Method 202 Sampling Train. PAUL VAN ROOY, Dave Nash, Jason Dewees, Ned Shappley, Walter Lin, Peter Kariher, US EPA

Characterization of a Commercially Available Aerosol Raman Hyperspectral Imaging Instrument for Single Particle Analysis. MAXWELL FREEMAN, J. Alex Huffman, University of Denver

Characterization of Aerosolized Micro-/Nanoplastic Aerodynamic Diameter. GINA M. MORENO, Richard Cavalere, Andrea J. Tiwari, Maynard Havlicek, Daniel Bissell, Phoebe A. Stapleton, Rutgers University

Characterizing Reduced Counting Efficiencies of 23 nm Exhaust Emission Condensation Particle Counters Using Atomized Salt Particles. Helmut Krasa, Martin Kupper, Mario Anton Schriefl, ALEXANDER BERGMANN, Graz University of Technology

CHART: A Modular Research Tool for Testing of Protection Against Highly Toxic Aerosols. TOM VENEMA, Dinesh Durán Jiménez, Duurt Alkema, Ruud Busker, Arjan van Wuijckhuijse, TNO

Chemical Analysis of Aerosol Nanoclusters (2-10 nm) Using a High-Flow Differential Mobility Analyzer Coupled to a Thermal Desorption Chemical Ionization Mass Spectrometer. PAULUS BAUER, Patricia M. Morris, Véronique Perraud, Barbara Finlayson-Pitts, James Smith, University of California, Irvine

Clusters Formed in Heavy Ionic Liquids as Potential DMA Standards. CHANAKYA BAGYA RAMESH, Luis-Javier Perez-Lorenzo, Yang Wang, Michel Attoui, University of Miami

Combining Low-cost Air Quality Sensors with a Micronet for Fine-scale Monitoring in NYC. Ellie Hojeily, JANIE SCHWAB, Jason Covert, Kit Moore, Matthew Brooking, Sarah Lu, Md. Aynul Bari, Scott Miller, University at Albany, SUNY

Comparison of Optical Properties Calculated from a Dual-Spot Aethalometer and a Photoacoustic Spectrometer for Biomass Burning Aerosols during the GWISE Campaign. RYAN POLAND, Zachary McQueen, Omar El Hajj, Chase Glenn, Anita Anosike, Kruthika Kumar, Joseph O'Brien, Rawad Saleh, Geoffrey Smith, University of Georgia

Demonstration of the New Aethalometer Model AE36s Performance and Equivalence with Its Predecessor, AE33. MARTIN RIGLER, Gašper Lavrič, Matic Ivančič, Viktor Pilko, Bálint Alföldy, Irena Ježek Brecelj, Asta Gregorič, Aerosol d.o.o.

Detection of Bioaerosol by Measuring Single Particle Differential Circular Polarization Scattering (CIDS). YONG-LE PAN, Aimable Kalume, Chuji Wang, Joshua L. Santarpia, U.S. Army Research Laboratory

Detection of Refractory and Nonrefractory Aerosol Mixtures Using the Dual-Vaporizer Configuration of the Soot Particle Aerosol Mass Spectrometer (SP-AMS). ANITA AVERY, Leah Williams, Edward Fortner, Timothy Onasch, Aerodyne Research, Inc.

Developing an LED-powered 8 m3 Environmental Chamber for Studying the Atmospheric Chemistry of Outdoor and Indoor Air. RICKEY LEE, Paul Heine, Ayomide Akande, Nadine Borduas-Dedekind, University of British Columbia

Development of a Low-Cost, Open Source Condensation Particle Counter (CPC). AARON COLLINS, OpenAeros LLC

Development of New Multiscale Aerosol Observing Systems for Deployment at the 3rd ARM Mobile Facility (AMF3) Bankhead National Forest (BNF) Site. ASHISH SINGH, Chongai Kuang, Andrew McMahon, Scott Smith, Tamanna Subba, Shawn Serbin, Jenni Kyrouac, Adam K Theisen, Allison McComiskey, Brookhaven National Laboratory

Direct Determination of Melting Temperatures for Individual, Sub-Micron Isoprene Epoxydiol-Derived Secondary Organic Aerosol Particles. KATHERINE KOLOZSVARI, Cara Waters, Alison Fankhauser, N. Cazimir Armstrong, Jin Yan, Madeline Cooke, Yao Xiao, Rebecca Parham, Zhenfa Zhang, Avram Gold, Jason Surratt, Andrew Ault, University of Michigan

Effect of Aerosol Size Distribution on Uncertainty of Analyte Quantification Using X-ray Diffraction. KABIR RISHI, Bon Ki Ku, Alan Dozier, Chen Wang, Orthodoxia Zervaki, Vasileia Vogiazi, Pramod Kulkarni, Centers for Disease Control and Prevention, NIOSH

Effect of the Uncertainty in Density of Polystyrene Latex (PSL) Spheres on the Calibration of Aerosol Instruments. JULIE PONGETTI, Chris Nickolaus, Jonathan Symonds, Cambustion Ltd

Effects of Lens Geometry and Nozzle Dimensions on Aerodynamic Focusing. Harrison Griffin, Mustafa Hadj Nacer, Salix Bair, Bjoern Bingham, W. Patrick Arnott, Judith Chow, John Watson, XIAOLIANG WANG, University of Nevada, Reno

Evaluation of Uncertainties and Introduction of Tools for Quantification of Bulk Particle-phase Organic Nitrates Using Real-time Aerosol Mass Spectrometry. DOUGLAS A. DAY, Benjamin A. Nault, Pedro Campuzano-Jost, Jose-Luis Jimenez, CIRES, University of Colorado, Boulder

Extending the Spider-MAGIC Sizing Range for the Detection of Nucleation Mode Particles. STAVROS AMANATIDIS, Gregory S. Lewis, Steven Spielman, Susanne Hering, Aerosol Dynamics Inc.

Fast Characterization of Irregularly Shaped Particles Using Elastic Light Scattering. AIMABLE KALUME, Jessica Arnold, Chuji Wang, Gorden Videen, Yong-Le Pan, U.S. Army Research Laboratory

Field Observations Using the Sulfuric Acid Dimethylamine-Reactive Condensation Particle Counter (SAD-RCPC). Dominic Casalnuovo, Darren Cheng, Christine Troller, COTY JEN, Carnegie Mellon University

Fourier Transform Infrared (FT-IR) Organic and Elemental Carbon (OC & EC) Measurements in the Chemical Speciation Network (CSN). ANAHITA AMIRI-FARAHANI, Andrew Weakley, Bruno Debus, Satoshi Takahama, Ann Dillner, University of California Davis

HPLC-PDA Method Development, Validation, Optimization, and Comparison with GC-FID for The Quantification of Organic Acids. ESTHER OLONIMOYO, Naresh Kumar Amradi, Stephanie Lansing, Akua Asa-Awuku, Candice M. Duncan, University of Maryland

In Situ Chemical Characterization of Nanoplastic Particles by Aerosol Mass Spectrometry. Michael Tawadrous, Xing Wang, Alex K.Y. Lee, ARTHUR W. H. CHAN, University of Toronto

Incorporating Droplet Growth in Simulating the Performance of Condensation Particle Counters. MARCUS BATISTA, Weixing Hao, Michel Attoui, Yang Wang, University of Miami

Influence of Oxidizing and Reducing Process Gases on Metallic Aerosol Nanoparticles. VINZENT OLSZOK, Philipp Rembe, Alfred P. Weber, Clausthal University of Technology

Intercomparison of Instrumental Methods Using Model II Regression. COLLEEN MARCIEL ROSALES, Nicholas E. Brunk, Nicole Hyslop, Nicholas Spada, University of California, Davis

Investigating Efficient Flight Pathways with Continuous and Discrete Sampling for UAV-based Greenhouse Gas Monitoring at Environmental Infrastructures. HORIM KIM, Keun Taek Kim, Hyeri Jo, Minyong Yang, Young Su Lee, Sangjae Jeong, Jae Young Kim, Seoul National University

Laboratory Evaluation of the Alphasense Opc-N3, and the Plantower PMS5003 and PMS6003 Sensors. KAMALJEET KAUR, Kerry Kelly, University of Utah

Low-Cost Characterization of Wildfire Emissions Using a Novel Sensor Array. AMANDA GAO, Matthew Goss, Erik Helstrom, Jesse Kroll, MIT

Mapping the Performance of a Versatile Water-based Condensation Particle Counter (vWCPC) with COMSOL Simulation and Experimental Study. WEIXING HAO, Fan Mei, Susanne Hering, Steven Spielman, Beat Schmid, Jason Tomlinson, Yang Wang, University of Miami

Maximizing the Output from Filter Sample Analysis: Evolved Gas Analysis from Thermal-Optical Carbon Analysis (TOCA) Using Photoionization Mass Spectrometry (PIMS). Sven Ehlert, Hendryk Czech, Marco Schmidt, Martin Rigler, Andreas Walte, RALF ZIMMERMANN, Photonion GmbH

Measurements of Aerosol Size Distribution and Particle Number Concentration from a Novel Heated Tobacco Capsule (HTC) Prototype. CHIH-HSIANG CHIEN, Hiral Patel, Matt Melvin, Weiling Li, Yezdi Pithawalla, Altria Client Services LLC

Measuring the Charger Efficiency in the Electrical Low Pressure Impactor for Fractal Aggregates Using an Aerodynamic Aerosol Classifier. Nishan Sapkota, Timothy Sipkens, MANG GUAN, Anand Kumar, Steven Rogak, University of British Columbia

More Information from an Optical Particle Counter. DANIEL MURPHY, NOAA CSL

Multi-Wavelength Multi-Angle Technique and Next Generation Particle Sensor: An Approach for Particle Characterization. SHRUTI CHOUDHARY, Tandeep Chadha, Jiaxi Fang, Marit Meyer, Paul Mudgett, Pratim Biswas, University of Miami

Novel Approaches to Chemical Identification in Aerosols: PICARD Program Overview. SHERRIE PILKINGTON, IARPA

PALMS-NG: A Unique Dual S-Shaped Time-of-Flight Mass Spectrometer for Atmospheric Measurements. JUSTIN JACQUOT, Xiaoli Shen, Maya Abou-Ghanem, Karl Froyd, Michael Lawler, Gregory Schill, Kyra Slovacek, David Thomson, Daniel Murphy, Daniel Cziczo, Purdue University

Performance Characterization of an Aircraft Inlet for Aerosol-Gas Sampling. DA YANG, Rainer Volkamer, Lee Mauldin, Margarita Reza, Suresh Dhaniyala, University of Colorado Boulder

Performance Characterization of an Aircraft Inlet for Aerosol-Gas Sampling. DA YANG, Rainer Volkamer, Lee Mauldin, Margarita Reza, Suresh Dhaniyala, University of Colorado Boulder

Performance of the Point Sampling Method and Inter-Comparison with State-of-the-Art Remote Emission Sensing. MARKUS KNOLL, Martin Penz, Tommaso Rossi, Simone Casadei, Alexander Bergmann, Graz University of Technology

Practical Characterization and Modeling of Higher Flow in a Water Condensation Growth Tube Bioaerosol Sampler. Dominick Heskett, BRADEN STUMP, Patricia Keady, Gregory S. Lewis, Arantzazu Eiguren-Fernandez, Aerosol Devices Inc.

PTR-MS as a CIMS? Increasing the Range of Detectable Compounds via Low Pressure Negative Soft Chemical Ionization. TOBIAS REINECKE, Markus Leiminger, Markus Mueller, IONICON Analytik GmbH., Innsbruck, Austria

Quantifying the Three Regimes of Bipolar Charging to Improve Accuracy of SMPS Measurements. ROBERT T. NISHIDA, Tyler J. Johnson, Jason S. Olfert, University of Alberta

Real-Time Measurement of Aerosol Size Distributions with the Fast Integrated Mobility Spectrometer (FIMS). DAISY WANG, Jiaoshi Zhang, Jeremy Buhler, Jian Wang, Washington University in St. Louis

Real-Time Measurements of Respirable Crystalline Silica, Kaolinite, Coal, and Calcite Dust with a Quantum Cascade Laser Equipped Photoacoustic Instrument. W. PATRICK ARNOTT, Charles Kocsis, Xiaoliang Wang, Bankole Osho, Samuel Taylor, Pedro Nascimento, Bjoern Bingham, Chauntelle Murphy, Michael Sandink, University of Nevada, Reno

Real-Time Separation and Detailed Characterization of Aspherical Submicron Aerosols. SCHUYLER LOCKWOOD, David Bell, Alla Zelenyuk, Pacific Northwest National Laboratory

Recommendations for Improving Aerosol Measurement in India. SATOSHI TAKAHAMA, Arindam Roy, Athanasios Nenes, LAPI, EPFL (Switzerland)

Role of Relative Humidity in Controlling Ion Yields in Droplet Assisted Ionization. JOSHUA HARRISON, Kelvin Risby, Thomas Hilditch, Jim Walker, Bryan R. Bzdek, University of Bristol

Smoke Impacts on Atmospheric Processing: An Optical Analysis of Broadband Offline and Online Instruments on Geographically Diverse Biofuels. NEVIL FRANCO, Abu Sayeed Md Shawon, Megan Mouton, Vaios Moschos, Marc Fiddler, Solomon Bililign, Manvendra Dubey, Katherine Benedict, Kyle Gorkowski, Los Alamos National Laboratory

The BioCascade-David: An Integrated Cascade Impactor for Inhalation Toxicology and Bioaerosol Collection. SRIPRIYA NANNU SHANKAR, Yuetong Zhang, Yuqiao Chen, Eric Le, William Vass, John Lednicky, Tracey Logan, Rebeccah Messcher, Gregory S. Lewis, Arantzazu Eiguren-Fernandez, Stavros Amanatidis, Tara Sabo-Attwood, Chang-Yu Wu, University of Florida

Use of Electrostatic Collector for Real-time Personal Exposure Monitoring of Ultrafine Particles. Shaelyn Chen, Erkam Cakmak, Chengyu Zhang, Yifan Liu, Ching-Hsuan Huang, Byron Ockerman, IGOR NOVOSSELOV, University of Washington

Using Atomized NaI Particles as a Counting Efficiency Booster for Partial Calibration of Periodic Technical Inspection Reference Particle Counters. Helmut Krasa, Martin Kupper, Mario Anton Schriefl, ALEXANDER BERGMANN, Graz University of Technology

Vapor Phase Transmission Electron Microscopy: Visualization Tool for In-Situ Aerosol Phenomena. DEWANSH RASTOGI, Yuhang Wang, Kotiba A. Malek, Akua Asa-Awuku, Taylor J. Woehl, University of Maryland College Park

Vapor-Phase Transmission Electron Microscopy for Submicron Visualization of NaCl Aerosols and Droplets. MARTIN AHN, Yuhang Wang, Dewansh Rastogi, Kotiba A. Malek, Jiayue Sun, Taylor J. Woehl, Akua Asa-Awuku, University of Maryland, College Park

Volatility Distribution of Organic Aerosols using ChemSpot Instrument. PURUSHOTTAM KUMAR, James Hurley, Braden Stump, Athena Xu, Nathan Kreisberg, Nga Lee Ng, Pat Keady, Susanne Hering, Gabriel Isaacman-VanWertz, Virginia Tech

Volatility Measurements of Individual Components of Biomass Burning Organic Aerosol. QIAORONG XIE, Yun-Jung Hsu, Pooja Chaudhary, Diego Calderon-Arrieta, Emily Halpern, Christopher P. West, Katherine Hopstock, Sergey Nizkorodov, Chunlin Li, Yinon Rudich, Baerbel Sinha, Alexander Laskin, Purdue University

Volume Measurement and Processing of Metal Nanoparticles in the Aerosol Phase. CYPRIEN JOURDAIN, Jonathan Symonds, Adam M Boies, University of Cambridge