Instrumentation and Methods

A Low-Cost Solid Aerosol Generator of High Stability. RYAN WARD, Miranda Hack, V. Faye McNeill, Columbia University

Aerodyne Aerosol Mass Spectrometer Collection Efficiency Measurements of Smoke from Laboratory Burns of Wildland Fuels. ANN M. MIDDLEBROOK, Alessandro Franchin, NOAA Chemical Sciences Laboratory

Assessing the Accuracy and Reliability of a New Ambient Ultrafine Particle Monitor for Quantifying Total Particle Number Concentration at Three ASCENT Sites. DAVID HAGAN, Can Barut, Sohyeon Jeon, Ruizhe Liu, Nga Lee Ng, Haroula D. Baliaka, Vine Blankenship, Ryan Ward, Purushottam Kumar, John Seinfeld, Richard Flagan, Mitchell Rogers, Lijin Zhang, Tori Hass-Mitchell, Taekyu Joo, Drew Gentner, QuantAQ, Inc.

Automated Measurement of Particle-Phase Organic Compounds Using Chip-Scale Gas Chromatography. VIKAS GOEL, Nipun Thamatam, Nathan Kreisberg, Zinoy Manappadan, Jyothi Chintalapalli, Suman Dewanjee, John Michalek, Chien Nguyen, Masoud Agah, Gabriel Isaacman-VanWertz, Virginia Tech

Bipolar FUSION PTR-TOF Mass Spectrometer: Advantages of Multiple Reagent Ions to Characterize Oxidation and Secondary Organic Aerosol Formation. TOBIAS REINECKE, Markus Leiminger, Andreas Klinger, Todd Rogers, Martin Graus, Markus Mueller, IONICON Analytik GmbH., Innsbruck, Austria

Bridging the Gap Between Single-Particle Measurements and Aerosol Models With SPIN-Sim. KYUHAENG LEE, Maria Zawadowicz, Xiaoli Shen, Daniel Cziczo, Arthur J. Sedlacek, Matthew West, Nicole Riemer, University of Illinois at Urbana-Champaign

CADS: the Coarse Aerosol Detection System for Characterizing Coarse Mode and Biological Particles in Real Time. PATRICIO PIEDRA, Prakash Gautam, Nicholas Beres, Hans Moosmüller, The Probitas Project, Inc.

Calibration of Low-Cost Particulate Matter (PM2.5) Sensors under West Africa Weather: A Year-Long Evaluation Integrating K-Kohler Hygroscopic Correction and Machine Learning. JAMES NIMO, Yusif Ibrahim-Anyass, Mathias A. Borketey, Nancy Owusuaa, Nathaniel Obeng Anim, Emmanuel Banahene Asante, Selina Amoah, Esi Nerquaye-Tetteh, Victoria Owusu-Tawiah, Michael R. Giordano, Daniel Westervelt, Md. Aynul Bari, Raphael E Arku, Allison Felix Hughes, University at Albany, State University of New York

Capture and Preservation of Single Aerosol Particles Through an Aerosol-Into-Emulsion Transition Approach. YI-BO ZHAO, Li Li, Bernard Olson, Christopher J. Hogan, University of Minnesota

Characterization of a Novel Laminar-Flow Oxidation Reactor for Simulating Atmospheric Multiple-Day Oxidation. TOBIAS REINECKE, Markus Leiminger, Andreas Klinger, Todd Rogers, Martin Graus, Markus Mueller, IONICON Analytik GmbH., Innsbruck, Austria

Characterization of a Novel, Mid-Cost Device for Ambient Monitoring of Ultrafine Particles. UNA TRIVANOVIC, Osnan Maragoto Rodriguez, Kevin Auderset, Florian Huewe, Konstantina Vasilatou, Federal Institute of Metrology METAS

Characterization of Size-Resolved Charge Distributions for Tribologically Charged Particles by Differential Mobility Analysis Coupled to Optical Particle Spectrometry. RAHAF A. BAHAJRY, Christopher J. Hogan, University of Minnesota

Comparison Sulfuric Acid Measurements at the DOE SGP Field Site by a Transverse and Parallel Flow Chemical Ionization Inlet Coupled With a Time-Of-Flight Mass Spectrometer. JOY KIGURU, Dominic Casalnuovo, Christine Troller, Jenna DeVivo, Nirvan Bhattacharyya, Coty Jen, Carnegie Mellon University

Continuous Chemical Characterization and Variability of Ultrafine Particulate Matter (PM0.1) at one Urban and one Background Site. GEORGIA A. ARGYROPOULOU, Christina N. Vasilakopoulou, Kalliopi Florou, Christos Kaltsonoudis, Angeliki Matrali, Andreas Aktypis, Maria Georgopoulou, Katerina Seitanidi, Christina Christopoulou, Panagiotis Kalkavouras, Nikolaos Mihalopoulos, Spyros Ν. Pandis, Institute of Chemical Engineering Sciences, Greece

Design and Testing of a Water-Based Condensation Particle Counter for a Micro-Gravity Environment. STEVEN SPIELMAN, Gregory S. Lewis, Nathan Kreisberg, Susanne Hering, Aerosol Dynamics Inc.

Detection Efficiency of a Water Condensation Particle Counter Using Electrically Neutral Sulfuric Acid and Sulfuric Acid-Dimethylamine Clusters. Darren Cheng, Joy Kiguru, COTY JEN, Carnegie Mellon University

Determination of Effective Density of Sub-Micron Size Using Pre-Determined SMPS Data. Jaeho Oh, Jungho Hwang, JEONG HOON BYEON, School of Mechanical Engineering at Yeungnam University

Development and Characterization of a Hydration Spectrometer (HySpec) System for Studying Aerosol Cloud Interactions. OGOCHUKWU ENEKWIZU, Ernie R. Lewis, Arthur J. Sedlacek, Brookhaven National Laboratory

Development and Evaluation of a High-Volume Virtual Impactor with a Circumferential Slit Nozzle. SUSMITA ISLAM, Qingqing Fu, Li Li, Bernard Olson, Christopher J. Hogan, University of Minnesota

Development and Optimization of a Low-Detection Limit Array-Type Beta Attenuation Monitor. I-CHEN CHANG, Qi-Xiang Li, Chih-Wei Lin, Sheng-Hsiu Huang, Chih-Chieh Chen, National Taiwan University

Development and Validation of an Extractive Dilution System for In-situ Measurement of Residential Wood Heating Appliance PM Emissions Using a TEOM. GEORGE ALLEN, Mark Champion, NESCAUM

Development of the Molecular Isomer Resolving Aerosol Collector and Analyzer (MIRACA) for Organic Aerosol Chemical Characterization. YAN WEN, Sarah Ellies, Yeongkwon Son, Andrey Khlystov, Desert Research Institute

Diffusion Constriction Study to Provide Virtually Limitless Resolution in Ion Mobility on Structures for Lossless Ion Manipulation (SLIM) Platforms. CARLOS LARRIBA-ANDALUZ, Mohsen Latif, Purdue University

Efficiency of Low-Cost Sensors to Detect Dust Particles During Dust Events. KARIN ARDON-DRYER, John Garber, Melodie Martinez-Manahan, Lorena Albuquerque Zanandreis, Raghu Betha, Department of Geosciences, Texas Tech University

Enabling Real-Time, Low-Cost Measurement of Hazardous Air Pollutants: A Multidimensional Approach. TALHA JUBAIR, James Hurley, Anum Khan, Namrata Shanmukh Panji, Amanda Gao, Jesse Kroll, Gabriel Isaacman-VanWertz, Virginia Tech

Enhancements in Portable Gas Chromatography-Mass Spectrometry Instrumentation for VOC Analysis. DEVON HIGGINS, Lindsay Harrington, Sara Button, INFICON, Inc.

Evaluating Low-Cost Instrumentation for Ultrafine Particle Number Monitoring in Urban and Suburban Environments. AARON COLLINS, Rob Caldow, OpenAeros LLC

Exploring Ionization Mechanisms and Accelerated Chemical Reactivity with Droplet Assisted Ionization-Mass Spectrometry. BRYAN R. BZDEK, Joshua Harrison, Edward Neal, Jim Walker, University of Bristol

Formation and Growth Analysis of Combustion-Generated Particles Using Size Distribution Measurements from 0.8 to 100 nm. CHANAKYA BAGYA RAMESH, Daoru Han, Yang Wang, University of Miami

Functional Improvements to a Water Condensation-Based Viable Airborne Virus Sampling Technology: The BioSpot-VITA Bioaerosol Sampler. BRADEN STUMP, Dominick Heskett, Gregory S. Lewis, Arantzazu Eiguren-Fernandez, Brian Annis, Patricia Keady, Handix Scientific Inc.

Fundamental Understanding of Low-Cost Sensor Response. SREEKESH KOOKKAL, Suresh Dhaniyala, Clarkson University

Impact of Topography Monitor on Total Particulate Matter Emissions from Electronic Cigarettes. CAMILO GARZON, Gloria Mbaka, Logan Kelly, Nathan Eddingsaas, Edward Hensel, Risa Robinson, Rochester Institute of Technology

Improved Ultrafine Aerosol Sizing with NMASS Pulse Height Analysis (NMASS-PHA). MATTHEW BROWN, Steven Cevaer, Luke Ziemba, NASA

Improving Accuracy in Mobility-Based Aerosol Sizing by Measuring Bipolar-Charged Particles. JINGKUN JIANG, Jin Wu, Tsinghua University, China

Improving Low-Cost Optical PM Sensor Accuracy in Humid Conditions via Aerosol Liquid Water Estimation Using U.S. EPA CSN Data. YUHANG GUO, Alexandra Catena, Janie Schwab, Nga Lee Ng, Amanda Teora, Oliver Rattigan, Violet Harder, Yasi Hassanzadeh, James Schwab, Jie Zhang, Atmospheric Sciences Research Center, University at Albany

Integrating Low-Cost Sensors with the New York State Mesonet for Continuous, Dense PM2.5 Monitoring in New York City. ELLIE HOJEILY, Jason Covert, Scott Miller, Kit Moore, Md. Aynul Bari, Cheng-Hsuan Lu, Janie Schwab, Atmospheric Sciences Research Center, University at Albany

Investigations of Particle Evaporation Kinetics Using Ultra-High Purity Aerosolization and Heating. DEREK OBERREIT, Jikku Thomas, Michael Walker, Kanomax FMT, Inc.

Leveraging Passive and Active Field Campaigns to Characterize Dust Abundance and Properties in the Southern Colorado Plateau. FRANKLYN TELLES, Helena Tsigos, Samuel Jurado, Nour Kastoun, Northern Arizona University

Low Cost Instrumentation and Kitesonde Kit. SIMRAN LABORE, Helena Tsigos, Jack Halberstadt, Franklyn Telles, Cornell University

Measurements of Atmospheric Transport and Convection of dust for High-Impact Numerical Emission Simulations (MATACHINES). SAMUEL JURADO, Franklyn Telles, Nour Kastoun, Helena Tsigos, Evelyn Keefe, Yale University

Measuring Molecular Transport in Levitated, Viscous Microdroplets Using Confocal Fluorescence Microscopy. FARHAD IZADI, Michael Jacobs, Texas State University

Measuring the Detection Efficiency of Neutral Flame-Formed Materials by Two-Component Fluid-Water Condensation Particle Counters (Fluid-WCPCs). Farnaz Khosravi, Gregory S. Lewis, FRANCESCO CARBONE, University of Connecticut

Microfluidics-Based Capture and Transfer of Single Aerosol Particle-Droplets for Surface Enhanced Raman Spectroscopy Analysis. WENDY FLORES-BRITO, Thomas Brubaker, Ryan Sullivan, Carnegie Mellon University

Next-Generation Optical Instrumentation for Comprehensive Aerosol and Cloud Characterization. MATTHEW FREER, CloudSci

On the Performance of a Bipolar Multi-Outlet Differential Mobility Analyzer (BiMoDMA). SHIPENG KANG, Tongzhu Yu, Yixin Yang, Huaqiao Gui, Jianguo Liu, Da-Ren Chen, Virginia Commonwealth University

Online Water-to-Air Ammonia and Amine Flux Measurement System using Chemical Ionization Mass Spectrometry. CHRISTINE TROLLER, Coty Jen, Carnegie Mellon University

OPERA: A New Platform for Next Generation Aerosol Sensing. SURESH DHANIYALA, Ajay Sonar, Sreekesh Kookkal, Brandon Beattie, Clarkson University

Optimized Substrates for Single-Particle Analysis with Multiple Microscopy and Spectroscopy Techniques. KATHERINE KOLOZSVARI, Emily Costa, Holly Lawson, Andrew P. Ault, University of Michigan

Optimizing PurpleAir PM2.5 Data in a South Asian Megacity: One-Year Machine Learning Calibration and Correction Factor Development in Dhaka, Bangladesh. JAMES NIMO, Md. Aynul Bari, Lauren Riviere, Kaylia Morgan, Abhijeet Sarkar, Chowdhury Arafat Hossain, Sanjeev Delwar, Abdus Salam, Provat Saha, University at Albany, State University of New York

Performance Analysis of Nested Inlet for Sampling Stratospheric Aerosol (NISSA) on a NASA WB-57 High Altitude Aircraft during SABRE 2025 Test Flights. NAGARAJAN RADHAKRISHNAN, Charles Brock, Suresh Dhaniyala, Clarkson university

Performance Evaluation of an Optical Particle Counter in Mexico City. ANIL NAMDEO, Elizabeth Vega, A. Mezza, Ann Wellens, Northumbria University and Particles Plus Inc.

PM2.5 Morphology and Speciation Analysis of BAM Tape During Wildfire Smoke Events. Kelly Cheng, ZHONG-MIN WANG, Jeff Wagner, Kazukiyo Kumagai, California Department of Public Health

Portable, Tippable, and Water-Based: TSI's OmniCount CPC 3002. Noah Bock, Aaron Avenido, JUSTIN S. KOCZAK, Daniel R. Troolin, Andrea J. Tiwari, TSI Incorporated

Rapid In-Situ Detection of Aerosolized Chemicals of Interest by Single Particle Mass Spectrometry. SCHUYLER LOCKWOOD, Alla Zelenyuk, Pacific Northwest National Laboratory

Re-Analysis of Long-Term Aerosol Mass Spectrometer Data: Homogenizing 13 Years of Measurements. JULIETTE BROCHET, Hasna Chebaicheb, Yunjiang Zhang, Laura Cadeo, Valerie Gros, Philip Croteau, Olivier Favez, Jean-Eudes Petit, LSCE

Regulatory Application of Microscopic Techniques to Understand Particle Morphology and Composition. CYNTHIA BERG, Cat Buhl, Angela Haar, Joshua Scheel, Hedy Ward, Selina Ibarra, South Coast Air Quality Management District

Self-Calibrating Aerosol Absorption Using TDLAS with Tunable-Laser Photothermal Interferometry. JOEL CORBIN, Alireza Moallemi, Daniel Poitras, Timothy Sipkens, Jalal Norooz Oliaee, National Research Council Canada

Standoff Aerosol Measurements Using Mid-Infrared Dual Frequency Comb Absorption Spectroscopy. GARRETT MATHEWS, Alyssa Lalko, Anna Ziola, Amanda Makowiecki, Kevin Williamson, Douglas Day, Masayuki Takeuchi, Scott Egbert, Graeme Gillespie, Anthony Harness, Robert Wright, Anne V. Handschy, Nazanin Hoghooghi, Peter Chang, Satoshi Takahama, Daven Henze, Jose-Luis Jimenez, Scott Diddams, Gregory Rieker, University of Colorado

Systematic Integration of Laboratory Insights Into Chemical Mechanisms Development for SOA Formation. JIA JIANG, Lesly Franco Deloya, Erik Helstrom, Havala Pye, T. Nash Skipper, Rebecca Schwantes, Jesse Kroll, Massachusetts Institute of Technology

Toxic Metal Aerosols Detection: Enhanced Spark-Induced Breakdown Spectroscopy with Intuitive Software Interface for Community Use. EHSAN GOFTARI, Evan Gittings, Junbeom Jang, Brenda Lopez, Christopher Wallis, Anthony S. Wexler, Hanyang Li, San Diego State University

Understanding Surface Mediated Redox Chemistry in Charged Microdroplets. Michael Jacobs, FIROZ AHMED, Texas State University

Understanding the Long-term Performance and the Reject Counts for the Alphasense OPC-N3. TRISTALEE MANGIN, Kamaljeet Kaur, Nancy Daher, Kerry Kelly, University of Utah

Visualization and Characterization of Aged Organic-Inorganic Aerosols with Vapor-Phase Transmission Electron Microscopy. MARTIN AHN, Yuhang Wang, Liza-Anastasia DiCecco, Jennifer Gray, Amy Chen, Akua Asa-Awuku, Taylor J. Woehl, University of Maryland, College Park

VOCentinel - a Novel Solution for Automated Real-time Monitoring of Atmospheric VOCs. MARKUS MUELLER, Martin Graus, Tobias Reinecke, Klaus Winkler, Todd Rogers, Andreas Herburger, Jens Herbig, IONICON Analytik GmbH., Innsbruck, Austria

What Ten Years of Evaluating "Low-Cost" Particulate Matter Sensors Can Tell Us About Coarse Fraction and Humidity Biases. NAMRATA SHANMUKH PANJI, Noel Ruiz, Xiaobi M. Kuang, Victor Rocha Jr., Brandon Feenstra, Wilton Mui, South Coast Air Quality Management District