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# Aerodyne

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## Posts

- [2026 National Small Business Week Winners Announced](https://aerodyne.com/2026/04/03/2026-national-small-business-week-winners-announced/) - April 3, 2026 2026 National Small Business Week Winners Announced Aerodyne Research is thrilled to be selected for the 2026 Exporter of the Year Award by the Massachusett’s Small Business Administration.The entire Aerodyne team has worked tirelessly to navigate the various challenges involved in exporting our instrumentation to our customers and collaborators around the world.
- [Aerodyne Team Heads Back to Vienna](https://aerodyne.com/2026/04/15/aerodyne-team-heads-back-to-vienna/) - EGU 2026 Trip Aerodyne is excited to be heading back to Vienna to attend the 2026 EGU Conference from May 3rd – 8th. This year, our new Compact TD-GC-PRT-TOF-MS will be in the booth for you to check out! Our GC expert will be on hand to answer any questions.There will also be Vocus and
- [Aerodyne team headed to San Diego for the ARPA-E Technology Showcase](https://aerodyne.com/2026/03/27/aerodyne-team-heads-to-arpa-e/) - March 27, 2026 We hope to see you there! Aerodyne Research is proud to be returning to the Technology Showcase at the 2026 ARPA-E Energy Innovation Summit.Our team will be highlighting our hydrogen emission detection system CLAIR H2 – (Computational Localization using Atmospheric Inversion and Tracer Release).Stop by Booth #744 to talk with our team
- [Accurate humidity probe for persistent aviation-contrail conditions](https://aerodyne.com/2026/02/12/accurate-humidity-probe-for-persistent-aviation-contrail-conditions/) - Accurate humidity probe for persistent aviation-contrail conditions Christoph Dyroff, Michael D. Moore, Bruce C. Daube, and Scott C. Herndon Atmospheric Measurements Techniques Atmos. Meas. Tech., 19, 1023–1037Publication Date: February 12, 2026https://doi.org/10.5194/amt-19-1023-2026 © Author(s) 2026. This work is distributed underthe Creative Commons Attribution 4.0 License. Abstract. We present a state-of-the-art humidity probe for in situ airborne water vapor
- [Comparison of oxidation products generated from the reaction of a-pinene with hydroxyl radicals, chlorine atoms, and bromine atoms measured using ammonium adduct chemical ionization mass spectrometry](https://aerodyne.com/2026/01/08/comparison-of-oxidation-products-generated-from-the-reaction-of-a-pinene-with-hydroxyl-radicals-chlorine-atoms-and-bromine-atoms-measured-using-ammonium-adduct-chemical-ionization-mass-spectrometry/) - Comparison of oxidation products generated from the reaction of a-pinene with hydroxyl radicals, chlorine atoms, and bromine atoms measured using ammonium adduct chemical ionization mass spectrometry Andrew T. Lambe, Mitchell W. Alton, Jordan E. Krechmer, Anita M. Avery, Neil M. Donahue, Manjula R. Canagaratna Environmental Science: Atmospheres Environ. Sci.: Atmos., 2026, Advance ArticlePublication Date: January
- [Dr. Douglas Worsnop elected to National Academy of Engineering](https://aerodyne.com/2026/02/12/dr-douglas-worsnop-elected-to-national-academy-of-engineering/) - Congratulations to Aerodyne's Doug Worsnop The Aerodyne team is thrilled to announce that Dr. Douglas Worsnop has been elected to the National Academy of Engineering – Class of 2026. Members are elected by their peers and it is considered one the highest honors given to a scientist or engineer. Doug joined Aerodyne Research in June of
- [A simple, versatile approach for coupling a liquid chromatograph and chemical ionization mass spectrometer for offline analysis of organic aerosol](https://aerodyne.com/2025/11/27/a-simple-versatile-approach-for-coupling-a-liquid-chromatograph-and-chemical-ionization-mass-spectrometer-for-offline-analysis-of-organic-aerosol/) - A simple, versatile approach for coupling a liquid chromatograph and chemical ionization mass spectrometer for offline analysis of organic aerosol Andre F. Schaum, Kelvin H. Bates, Kyung-Eun Min, Faith Myers, Emmaline R. Longnecker, Manjula R. Canagaratna, Mitchell W. Alton, and Paul J. Ziemann Aerosol Research Aerosol Research, 3, 557–568Publication Date: November 27, 2025https://doi.org/10.5194/ar-3-557-2025 © Author(s) 2025.
- [The determination of ClNO2 via thermal dissociation–tunable infrared laser direct absorption spectroscopy](https://aerodyne.com/2025/08/12/the-determination-of-clno2-via-thermal-dissociation-tunable-infrared-laser-direct-absorption-spectroscopy/) - The determination of ClNO2 via thermal dissociation–tunable infrared laser direct absorption spectroscopy John W. Halfacre, Lewis Marden, Marvin D. Shaw, Lucy J. Carpenter, Emily Matthews, Thomas J. Bannan, Hugh Coe, Scott C. Herndon, Joseph R. Roscioli, Christoph Dyroff , Tara I. Yacovitch, Patrick R. Veres, Michael A. Robinson, Steven S. Brown, and Pete M. Edwards
- [A nitrate photolysis source of tropospheric HONO is incompatible with current understanding of atmospheric chemistry](https://aerodyne.com/2025/11/27/a-nitrate-photolysis-source-of-tropospheric-hono-is-incompatible-with-current-understanding-of-atmospheric-chemistry/) - A nitrate photolysis source of tropospheric HONO is incompatible with current understanding of atmospheric chemistry Matthew J. Rowlinson, Lucy J. Carpenter, Mat J. Evans, James D. Lee, Simone T. Andersen, Tomas Sherwen, Anna B. Callaghan, Roberto Sommariva, William Bloss, Siqi Hou, Leigh R. Crilley, Klaus Pfeilsticker, Benjamin Weyland, Thomas B. Ryerson, Patrick R. Veres,Pedro Campuzano-Jost,
- [Investigating fire-induced ozone production from local to global scales](https://aerodyne.com/2025/11/28/investigating-fire-induced-ozone-production-from-local-to-global-scales/) - Investigating fire-induced ozone production from local to global scales Joseph O. Palmo, Colette L. Heald, Donald R. Blake, Ilann Bourgeois, Matthew Coggon, Jeff Collett, Frank Flocke, Alan Fried, Georgios Gkatzelis, Samuel Hall, Lu Hu, Jose L. Jimenez, Pedro Campuzano-Jost, I-Ting Ku, Benjamin Nault, Brett Palm, Jeff Peischl, Ilana Pollack, Amy Sullivan, Joel Thornton, Carsten Warneke,
- [Variability in the Universality of Electron Ionization Mass Spectrometry Response to Oxygenates in Complex Environmental Mixtures](https://aerodyne.com/2025/12/08/variability-in-the-universality-of-electron-ionization-mass-spectrometry-response-to-oxygenates-in-complex-environmental-mixtures/) - Variability in the Universality of Electron Ionization Mass Spectrometry Response to Oxygenates in Complex Environmental Mixtures Purushottam Kumar, Chenyang Bi, Brian Lerner, John Jayne, Manjula R. Canagaratna,and Gabriel Isaacman-VanWertz Analytical Chemistry Anal. Chem. 2025, 97, 50, 27537–27543Publication Date: December 8, 2025https://doi.org/10.1021/acs.analchem.5c04153 Copyright © 2025 The Authors. Published by American Chemical Society. This publication is licensed under CC-BY
- [Nature of Temperature-Induced Phase Transitions in Secondary Organic Aerosol Particles](https://aerodyne.com/2025/11/07/nature-of-temperature-induced-phase-transitions-in-secondary-organic-aerosol-particles/) - Nature of Temperature-Induced Phase Transitions in Secondary Organic Aerosol Particles Louise N. Jensen, Kasper Kristensen, Emil M. Iversen, Manjula R. Canagaratna, Pontus Roldin,and Merete Bilde Environmental Science and Technology Environ. Sci. Technol. 2025, 59, 45, 24359–24367Publication Date: November 7, 2025https://doi.org/10.1021/acs.est.5c08582 Copyright © 2025 The Authors. Published by American Chemical Society. This publication is licensed under CC-BY-NC-ND 4.0.
- [The global hydrogen budget](https://aerodyne.com/2025/12/17/the-global-hydrogen-budget/) - The global hydrogen budget Zutao Ouyang, Robert B. Jackson, Marielle Saunois, Josep G. Canadell, Yuanhong Zhao, Catherine Morfopoulos, Paul B. Krummel, Prabir K. Patra, Glen P. Peters, Fraser Dennison, Thomas Gasser, Alexander T. Archibald, Vivek Arora, Gabriel Baudoin, Naveen Chandra, Philippe Ciais, Steven J. Davis, Sarah Feron, Fangzhou Guo, Didier Hauglustaine, Christopher D. Jones, Matthew
- [Simultaneously Characterizing the Volatility Distribution and Phase State of Submicron Secondary Organic Aerosols Using a Vocus Vaporization Inlet for Aerosols with a Chemical Ionization Mass Spectrometer](https://aerodyne.com/2025/10/15/simultaneously-characterizing-the-volatility-distribution-and-phase-state-of-submicron-secondary-organic-aerosols-using-a-vocus-vaporization-inlet-for-aerosols-with-a-chemical-ionization-mass-spectrom/) - Simultaneously Characterizing the Volatility Distribution and Phase State of Submicron Secondary Organic Aerosols Using a Vocus Vaporization Inlet for Aerosols with a Chemical Ionization Mass Spectrometer Sining Niu, Kyle P. McCary, Mitchell Alton, Jordan E. Krechmer, Harald Stark, Jason D. Surratt, Manjula Canagaratna, and Yue Zhang ACS ES&T Air ACS EST Air 2025, 2, 11, 2410–2421Publication
- [The saturation vapor pressures of higher-order polyethylene glycols and achieving a wide calibration range for volatility measurements by FIGAERO-CIMS](https://aerodyne.com/2025/11/12/the-saturation-vapor-pressures-of-higher-order-polyethylene-glycols-and-achieving-a-wide-calibration-range-for-volatility-measurements-by-figaero-cims/) - The saturation vapor pressures of higher-order polyethylene glycols and achieving a wide calibration range for volatility measurements by FIGAERO-CIMS Arttu Ylisirniö, Noora Hyttinen, Zijun Li, Mitchell Alton, Aki Nissinen, Iida Pullinen, Pasi Miettinen, Taina Yli-Juuti, and Siegfried Schobesberger Atmoshperic Measurments Techniques Atmos. Meas. Tech., 18, 6449–6464Publication Date: November 12, 2025https://doi.org/10.5194/amt-18-6449-2025 © Author(s) 2025. This work is
- [Aerodyne Research welcomed Professor Mao Ye from the Institute of Soil Science](https://aerodyne.com/2025/11/14/aerodyne-welcomed-professor-mao-ye-from-the-institute-of-soil-science/) - A group of Aerodyne team members pose with Dr. Ye after his presentation. The soil group at Aerodyne welcomed Professor Mao Ye from the Institute of Soil Science, Chinese Academy of Sciences to give a seminar on the “Phage Technology and Remediation of Contaminated Soil”, following the annual CANVAS meeting in Salt Lake City. Dr.
- [Total cancer risk estimates from measured concentrations of volatile organic compounds in industrialized southeastern Louisiana](https://aerodyne.com/2025/10/06/total-cancer-risk-estimates-from-measured-concentrations-of-volatile-organic-compounds-in-industrialized-southeastern-louisiana/) - Total cancer risk estimates from measured concentrations of volatile organic compounds in industrialized southeastern Louisiana Ellis S. Robinsona , Amira Yassinea , Shivang Agarwala, Mina W. Tehrania, Sara N. Lupolta, Andrea A. Chigera, Carolyn Gigota, Megan S. Claflin, Brian M. Lerner , Tara I. Yacovitch, Joseph R. Roscioli, Scott C. Herndon, Anita M. Avery, Conner
- [Interpretation of mass spectra by a Vocus proton-transfer-reaction mass spectrometer (PTR-MS) at an urban site: insights from gas chromatographic pre-separation](https://aerodyne.com/2025/07/30/interpretation-of-mass-spectra-by-a-vocus-proton-transfer-reaction-mass-spectrometer-ptr-ms-at-an-urban-site-insights-from-gas-chromatographic-pre-separation/) - Interpretation of mass spectra by a Vocus proton-transfer-reaction mass spectrometer (PTR-MS) at an urban site: insights from gas chromatographic pre-separation Ying Zhang, Yuwei Wang, Chuang Li, Yueyang Li, Sijia Yin, Megan S. Claflin, Brian M. Lerner, Douglas Worsnop, and Lin Wang Atmospheric Measurements Techniques Atmos. Meas. Tech., 18, 3547–3568Publication Date: July 30, 2025https://doi.org/10.5194/amt-18-3547-2025 © Author(s) 2025.
- [Observational ozone datasets over the global oceans and polar regions (version 2024)](https://aerodyne.com/2025/09/26/observational-ozone-datasets-over-the-global-oceans-and-polar-regions-version-2024/) - Observational ozone datasets over the global oceans and polar regions (version 2024) Yugo Kanaya, Roberto Sommariva, Alfonso Saiz-Lopez, Andrea Mazzeo, Theodore K. Koenig, Kaori Kawana, James E. Johnson, Aurélie Colomb, Pierre Tulet, Suzie Molloy, Ian E. Galbally, Rainer Volkamer, Anoop Mahajan, John W. Halfacre, Paul B. Shepson, Julia Schmale, Hélène Angot, Byron Blomquist, Matthew D.
- [Studying Aerosol, Clouds, and Air Quality in the Coastal Urban Environment of Southeastern Texas](https://aerodyne.com/2025/08/04/studying-aerosol-clouds-and-air-quality-in-the-coastal-urban-environment-of-southeastern-texas/) - Studying Aerosol, Clouds, and Air Quality in the Coastal Urban Environment of Southeastern Texas Michael P. Jensen, James H. Flynn, Jorge E. Gonzalez-Cruz, Laura M. Judd, Pavlos Kollias, Chongai Kuang, Greg M. McFarquhar, Heath Powers, Prathap Ramamurthy, John Sullivan, Allison C. Aiken, Sergio L. Alvarez, Peter Argay, Brian Argrow, Tyler M. Bell, Doug Boyer, Sarah
- [Surprisingly robust photochemistry in subarctic particles during winter: evidence from photooxidants](https://aerodyne.com/2025/08/29/surprisingly-robust-photochemistry-in-subarctic-particles-during-winter-evidence-from-photooxidants/) - Surprisingly robust photochemistry in subarctic particles during winter: evidence from photooxidants Laura M. D. Heinlein, Junwei He, Michael Oluwatoyin Sunday, Fangzhou Guo, James Campbell, Allison Moon, Sukriti Kapur, Ting Fang, Kasey Edwards, Meeta Cesler-Maloney, Alyssa J. Burns, Jack Dibb, William Simpson, Manabu Shiraiwa, Becky Alexander, Jingqiu Mao, James H. Flynn III, Jochen Stutz, and Cort
- [Unveiling the Role of Chirality in the Oxidation of Monoterpenes](https://aerodyne.com/2025/08/04/unveiling-the-role-of-chirality-in-the-oxidation-of-monoterpenes/) - Unveiling the Role of Chirality in the Oxidation of Monoterpenes Linyu Gao, Sebastien Perrier, Siddarth Iyer, Laurent Vanoye, Fabienne Fache, Megan S. Claflin, Theo Kurten, Matthieu Riva Journal of the American Chemical Society J. Am. Chem. Soc. 2025, 147, 32, 28842–28850Publication Date: August 4, 2025https://doi.org/10.1021/jacs.5c06118Copyright © 2025 The Authors. Published by American Chemical Society PrevPreviousInterpretation of
- [Correspondence on “Sustainable Aviation Fuel DeploymentCorrespondence on “Sustainable Aviation Fuel Deployment Strategies in Europe: Supply Chain Implications and Climate Benefits”Correspondence on “Sustainable Aviation Fuel Deployment](https://aerodyne.com/2025/09/17/correspondence-on-sustainable-aviation-fuel-deploymentcorrespondence-on-sustainable-aviation-fuel-deployment-strategies-in-europe-supply-chain-implications-and-climate-benefits/) - Correspondence on “Sustainable Aviation Fuel Deployment Strategies in Europe: Supply Chain Implications and Climate Benefits” Elisabeth Woeldgen, Roger TeohMarc,E. J. Stettler, Robert Malina, Rick Miake-Lye Environmental Science & Technology Environ. Sci. Technol. 2025, 59, 38, 20871Publication Date: September 17, 2025https://doi.org/10.1021/acs.est.5c09265 Copyright © 2025 American Chemical Society PrevPreviousSurprisingly robust photochemistry in subarctic particles during winter: evidence from
- [A comprehensive characterization of empirical parameterizations for OH exposure in the Aerodyne Potential Aerosol Mass Oxidation Flow Reactor (PAM-OFR)](https://aerodyne.com/2025/06/12/a-comprehensive-characterization-of-empirical-parameterizations-for-oh-exposure-in-the-aerodyne-potential-aerosol-mass-oxidation-flow-reactor-pam-ofr/) - A comprehensive characterization of empirical parameterizations for OH exposure in the Aerodyne Potential Aerosol Mass Oxidation Flow Reactor (PAM-OFR) Qianying Liu, Dan Dan Huang, Andrew T. Lambe, Shengrong Lou, Lulu Zeng, Yuhang Wu, Congyan Huang, Shikang Tao, Xi Cheng, Qi Chen, Ka In Hoi, Hongli Wang, Kai Meng Mok, Cheng Huang, and Yong Jie Atmospheric
- [Dependence of Reactive Oxygen Species Formation on the Oxidation State of Biogenic Secondary Organic Aerosols](https://aerodyne.com/2025/07/23/dependence-of-reactive-oxygen-species-formation-on-the-oxidation-state-of-biogenic-secondary-organic-aerosols/) - Dependence of Reactive Oxygen Species Formation on the Oxidation State of Biogenic Secondary Organic Aerosols Kasey C. Edwards, Lena Gerritz, Meredith Schervish, Manjula Canagaratna, Anita M. Avery, Mitchell W. Alton, Lisa M. Wingen, Jackson T. Ryan, Celia L. Faiola, Andrew T. Lambe, Sergey A. Nizkorodov, and Manabu Shiraiwa ACS ES&T Air ACS EST Air 2025Publication Date:
- [Year-Round Analysis of Multiphase Sulfate Production in Aerosol Particles in East Asia](https://aerodyne.com/2025/07/22/year-round-analysis-of-multiphase-sulfate-production-in-aerosol-particles-in-east-asia/) - Year-Round Analysis of Multiphase Sulfate Production in Aerosol Particles in East Asia Katherine R. Travis, Benjamin A. Nault, James H. Crawford, Hwajin Kim, Qi Chen, Yan Zheng, Tengyu Liu, Jose L. Jimenez, Pedro Campuzano-Jost, Paul O. Wennberg, John D. Crounse, and L. Gregory Huey ACS EST Air ACS EST Air 2025Publication Date: July 22, 2025https://doi.org/10.1021/acsestair.5c00136 © 2025
- [Predicting indoor concentrations and chemical composition of outdoor-originated particulate matter with a CONTAM building model](https://aerodyne.com/2025/07/03/predicting-indoor-concentrations-and-chemical-composition-of-outdoor-originated-particulate-matter-with-a-contam-building-model/) - Predicting indoor concentrations and chemical composition of outdoor-originated particulate matter with a CONTAM building model Xinxiu Tian, Bryan E. Cummings, Michael S. Waring, Marianne F. Touchie, Ellis S. Robinson, Benjamin A. Nault & Peter F. DeCarlo Aerosol Science and Technology Aerosol Science and Technology, 1–14.Publication Date: July 3, 2025https://doi.org/10.1080/02786826.2025.2521337 © 2025 The Author(s). Published with license
- [Hydrogen peroxide photoformation in particulate matter and its contribution to S(IV) oxidation during winter in Fairbanks, Alaska](https://aerodyne.com/2025/05/19/hydrogen-peroxide-photoformation-in-particulate-matter-and-its-contribution-to-siv-oxidation-during-winter-in-fairbanks-alaska/) - Hydrogen peroxide photoformation in particulate matter and its contribution to S(IV) oxidation during winter in Fairbanks, Alaska Michael Oluwatoyin Sunday, Laura Marie Dahler Heinlein, Junwei He, Allison Moon, Sukriti Kapur, Ting Fang, Kasey C. Edwards, Fangzhou Guo, Jack Dibb, James H. Flynn III, Becky Alexander, Manabu Shiraiwa, and Cort Anastasio Atmospheric Chemistry and Physics Atmos.
- [Real-Time Measurements of Gas-Phase Medium-Chain Chlorinated Paraffins Reveal Daily Changes in Gas-Particle Partitioning Controlled by Ambient Temperature](https://aerodyne.com/2025/06/05/real-time-measurements-of-gas-phase-medium-chain-chlorinated-paraffins-reveal-daily-changes-in-gas-particle-partitioning-controlled-by-ambient-temperature/) - Real-Time Measurements of Gas-Phase Medium-Chain Chlorinated Paraffins Reveal Daily Changes in Gas-Particle Partitioning Controlled by Ambient Temperature Daniel John Katz, Bri Dobson, Mitchell Alton, Harald Stark, Douglas R. Worsnop, Manjula R. Canagaratna, and Eleanor C. Brown ACS Environmental Au ACS Environ. Au 2025Publication Date: June 5, 2025https://doi.org/10.1021/acsenvironau.5c00038 © 2025 The Authors. Published by American Chemical Society. This
- [Characterizing Atmospheric Oxidation and Cloud Condensation Nuclei Activity of Polystyrene Nanoplastic Particles](https://aerodyne.com/2025/05/21/characterizing-atmospheric-oxidation-and-cloud-condensation-nuclei-activity-of-polystyrene-nanoplastic-particles/) - Characterizing Atmospheric Oxidation and Cloud Condensation Nuclei Activity of Polystyrene Nanoplastic Particles Sahir Gagan, Alana J. Dodero, Miska Olin, Ruizhe Liu, Zezhen Cheng, Sining Niu, Yeaseul Kim, Andrew T. Lambe, Yuzhi Chen, Swarup China, and Yue Zhang Environmental Science and Technology Environ. Sci. Technol. 2025, 59, 21, 10380–10389Publication Date: May 21, 2025https://doi.org/10.1021/acs.est.4c11738 Copyright © 2025 The Authors.
- [2025 CIMS Users Meeting - A Grand Success!](https://aerodyne.com/2025/06/11/2025-cims-user-meeting-a-grand-success/) - CIMS Users Gather in York to Share Their Knowledge This year’s attendees were invited to join a field trip to the York Minster, a beautiful cathedral which houses historic objects, books and manuscripts, as well as beautiful stained glass windows, a magnificent organ and even two crypts.The group photo shown was taken at the York
- [Aerodyne's Fangzhou Guo Receives ASCENT Award](https://aerodyne.com/2025/06/10/aerodynes-fangzhou-guo-receives-ascent-award/) - Aerodyne's Fangzhou Guo Recognized The entire Aerodyne Team offers our congratulations to Fangzhou for his excellent work. Pictured left to right are:Dr. Roya Bahreini (ASCENT CO-PI, SOP Committee Chair, UC Riverside)Dr. Nga Lee (Sally) Ng (ASCENT PI, Georgia Institute of Technology)Dr. Fangzhou Guo (Aerodyne/University of Houston)Dr. James Flynn (ASCENT Houston PI, University of Houston). In
- [Quantifying ambient concentration and emission profile of D5-siloxane of a residential neighborhood in the Greater Houston area](https://aerodyne.com/2025/04/22/quantifying-ambient-concentration-and-emission-profile-of-d5-siloxane-of-a-residential-neighborhood-in-the-greater-houston-area/) - Quantifying ambient concentration and emission profile of D5-siloxane of a residential neighborhood in the Greater Houston area Kyle P. McCary, Sining Niu, Alana J. Dodero, Yeaseul Kim, Heewon Yim, Sahr Gagan, Karsten Baumann, Timothy B. Onasch, Raghu Betha, Qi Ying, Yue Zhang Environmental Science: Processes & Impacts Environ. Sci.: Processes Impacts, 2025, Advance ArticlePublication Date:
- [Evaluation of the 365 nm CAPS PM SSA monitor and its use in both laboratory and field measurements](https://aerodyne.com/2025/04/22/evaluation-of-the-365-nm-caps-pm-ssa-monitor-and-its-use-in-both-laboratory-and-field-measurements/) - Evaluation of the 365 nm CAPS PM SSA monitor and its use in both laboratory and field measurements Thenoor Chandran Ajith, Eli Windwer, Zheng Fang, Chunlin Li, Rob L. Modini, Timothy B. Onasch, Andrew Freedman & Yinon Rudich Aerosol Science and Technology Aerosol Science and Technology, 1–19Publication Date: April 22, 2025 (Online)https://doi.org/10.1080/02786826.2025.2488478 © 2025 The Author(s).
- [Chemical Evolution of Biomass Burning Aerosols across Wildfire Plumes in the Western U.S.: From Near-Source to Regional Scales](https://aerodyne.com/2025/03/28/chemical-evolution-of-biomass-burning-aerosols-across-wildfire-plumes-in-the-western-u-s-from-near-source-to-regional-scales/) - Chemical Evolution of Biomass Burning Aerosols across Wildfire Plumes in the Western U.S.: From Near-Source to Regional Scales Ryan Farley, Shan Zhou, Sonya Collier, Wenqing Jiang, Timothy B. Onasch, John E. Shilling, Lawrence Kleinman, Arthur J. Sedlacek III, and Qi Zhang ACS ES&T Air ACS EST Air 2025, 2, 4, 677–691Publication Date: March 28, 2025https://doi.org/10.1021/acsestair.5c00002 Copyright
- [Effect of Initial Seed Aerosol Acidity on the Kinetics and Products of Heterogeneous Hydroxyl Radical Oxidation of Isoprene Epoxydiol-Derived Secondary Organic Aerosol](https://aerodyne.com/2025/04/28/effect-of-initial-seed-aerosol-acidity-on-the-kinetics-and-products-of-heterogeneous-hydroxyl-radical-oxidation-of-isoprene-epoxydiol-derived-secondary-organic-aerosol/) - Effect of Initial Seed Aerosol Acidity on the Kinetics and Products of Heterogeneous Hydroxyl Radical Oxidation of Isoprene Epoxydiol-Derived Secondary Organic Aerosol Jin Yan, N.Cazimir Armstrong, Katherine R. Kolozsvari, Cara M. Waters, Yao Xiao, Alison M. Fankhauser, Madeline E. Cooke, Molly Frauenheim, Nicolas A. Buchenau, Rebecca L. Parham, Zhenfa Zhang, Barbara J. Turpin, Andrew T.
- [Aerodyne Research's View on Proposed SBIR/STTR Changes](https://aerodyne.com/2025/04/22/aerodyne-researchs-view-on-proposed-sbir-changes/) - April 22, 2025 Aerodyne's View on Proposed Changes to SBIR/STTR Aerodyne Research, Inc. expresses concern with the proposed changes to the Small Business Innovative Research (SBIR) and Small Business Technology Transfer (STTR) federal R&D programs. The SBIR program, created by Congress in 1982 and the STTR program, created 10 years later to complement the SBIR
- [Characterization of a new higher-resolution time-of-flight aerosol chemical speciation monitor: Application for measurements of atmospheric aerosols](https://aerodyne.com/2025/04/14/characterization-of-a-new-higher-resolution-time-of-flight-aerosol-chemical-speciation-monitor-application-for-measurements-of-atmospheric-aerosols/) - Characterization of a new higher-resolution time-of-flight aerosol chemical speciation monitor: Application for measurements of atmospheric aerosols Benjamin A. Nault, Manjula Canagaratna, Philip Croteau, Edward Fortner, Andrew T. Lambe, Harald Stark, Donna Sueper, Benjamin S. Werden, Anandi Williams, Leah R. Williams, Douglas Worsnop, John Jayne, Peter F. DeCarlob , Michael Cubisond, Georgios Papadopoulose, and Rohner Urs
- [Quantifying EDC Emissions from Consumer Products: A Novel Rapid Method and Its Application for Systematic Evaluation of Health Impacts](https://aerodyne.com/2024/12/04/quantifying-edc-emissions-from-consumer-products-a-novel-rapid-method-and-its-application-for-systematic-evaluation-of-health-impacts/) - Quantifying EDC Emissions from Consumer Products: A Novel Rapid Method and Its Application for Systematic Evaluation of Health Impacts Yili Wu, Hongwan Li, Yujie Fan, Elaine A. Cohen Hubal, John C. Little, Clara M. A. Eichler, Chenyang Bi, Zidong Song, Shuolin Qiu, and Ying Xu Environmental Science and Technology Environ. Sci. Technol. 2024, 58, 51,
- [Gas-Phase Nitrate Radical Production Using Irradiated Ceric Ammonium Nitrate: Insights into Secondary Organic Aerosol Formation from Biogenic and Biomass Burning Precursor](https://aerodyne.com/2025/02/19/gas-phase-nitrate-radical-production-using-irradiated-ceric-ammonium-nitrate-insights-into-secondary-organic-aerosol-formation-from-biogenic-and-biomass-burning-precursor/) - Gas-Phase Nitrate Radical Production Using Irradiated Ceric Ammonium Nitrate: Insights into Secondary Organic Aerosol Formation from Biogenic and Biomass Burning Precursor Andrew T. Lambe, Chase K. Glenn, Anita M. Avery, Tianchang Xu, Jenna C. Ditto, Manjula R. Canagaratna, Drew R. Gentner, Kenneth S. Docherty, Mohammed Jaoui, Julia Zaks, Allan K. Bertram, Nga L. Ng, and
- [Formation of late-generation atmospheric compounds inhibited by rapid deposition](https://aerodyne.com/2025/02/17/formation-of-late-generation-atmospheric-compounds-inhibited-by-rapid-deposition/) - Formation of late-generation atmospheric compounds inhibited by rapid deposition Chenyang Bi & Gabriel Isaacman-VanWertz Nature Geoscience Nat. Geosci. 18, 213–218 (2025)Publication Date: February 17, 2025https://doi.org/10.1038/s41561-025-01650-2 Copyright © 2025, The Author(s), under exclusive licence to Springer Nature Limited PrevPreviousIncreases in PM2.5 levels in Houston are associated with a highly recirculating sea breeze NextBurn parameters affect PAH emissions
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- [Molecular Understanding of the Enhancement in Organic Aerosol Mass at High Relative Humidity](https://aerodyne.com/2023/01/30/molecular-understanding-of-the-enhancement-in-organic-aerosol-mass-at-high-relative-humidity/) - Molecular Understanding of the Enhancement in Organic Aerosol Mass at High Relative Humidity Mihnea Surdu, Houssni Lamkaddam, Dongyu S. Wang, David M. Bell, Mao Xiao, Chuan Ping Lee, Dandan Li, Lucía Caudillo, Guillaume Marie, Wiebke Scholz, Mingyi Wang, Brandon Lopez, Ana A. Piedehierro, Farnoush Ataei, Rima Baalbaki, Barbara Bertozzi, Pia Bogert, Zoé Brasseur, Lubna Dada,
- [Comparison of the Yield and Chemical Composition of Secondary Organic Aerosol Generated from the OH and Cl Oxidation of Decamethylcyclopentasiloxane](https://aerodyne.com/2023/01/05/comparison-of-the-yield-and-chemical-composition-of-secondary-organic-aerosol-generated-from-the-oh-and-cl-oxidation-of-decamethylcyclopentasiloxane/) - Comparison of the Yield and Chemical Composition of Secondary Organic Aerosol Generated from the OH and Cl Oxidation of Decamethylcyclopentasiloxane Anita M. Avery, Mitchell W. Alton, Manjula R. Canagaratna, Jordan E. Krechmer, Donna T. Sueper, Nirvan Bhattacharyya, Lea Hildebrandt Ruiz, William H. Brune, Andrew T. Lambe Earth and Space Chemistry ACS Earth Space Chem., 2023,
- [The Importance of SBIR Funding](https://aerodyne.com/2023/04/20/the-importance-of-sbir-funding/) - April 20, 2023 The Importance of SBIR Funding Aerodyne Research was featured in the EPA’s SBIR Program Highlights newsletter dated April 20, 2023. Aerodyne was listed in the SBIR Small Business Spotlight section which highlights businesses that have received EPA SBIR funding, also known as America’s Seed Fund.SBIR funding plays a critical role supporting discovery,
- [<strong>Aerodyne scientist joins the POLAR-CHANGE campaign headed to Antarctica</strong>](https://aerodyne.com/2023/02/14/aerodyne-scientist-joins-the-polar-change-campaign-headed-to-antarctica/) - February 14, 2023 Aerodyne scientist joins the POLAR-CHANGE campaign headed to Antarctica Dr. Leah Williams is joining scientists from Spain, France, South Africa, South Korea, and the UK for the POLAR-CHANGE Campaign. The study, led by the Institut de Ciències del Mar (Institute for Marine Science) in Barcelona, Spain, will be aboard the Spanish vessel
- [ASU Training Visit](https://aerodyne.com/2023/06/28/news-headline-pic-intro-paragraph-copy/) - June 28, 2023 Arizona State at Aerodyne During the week of June 19th, visitors from Arizona State University trained at the Aerodyne Research home office in Billerica, MA. The group included two professors (one who attended remotely) and two students, both of whom are pursuing their PhDs.These visitors trained on an on an LToF Vocus
- [UC Davis Training Visit](https://aerodyne.com/2023/06/02/uc-davis-training-visit/) - June 2, 2023 UC Davis Training Visit From May 15th to the 18th, Aerodyne Research welcomed a group from UC Davis for training with Dr. Anita Avery. Qi Zhang and her students came to train on their Vocus PTR and AIM with a Figaero. Qi has been working with Aerodyne and the AMS since its

## Pages

- [Home New](https://aerodyne.com/) - Technology Enhancing Science for the Environment IN THE NEWS Aerodyne wins Exporter of the Year AwardDr. Douglas Worsnop elected to National Academy of EngineeringAerodyne team heads to EGU 2026 Our 2026 conference schedule is below. Aerodyne Research provides state-of-the-art research and development services, as well as advanced instrumentation for addressing national and international environmental and
- [Laser Analyzers](https://aerodyne.com/laser-analyzers/) - Laser Analyzers Aerodyne’s family of laser trace gas analyzers provide real-time molecular monitoring with fast time resolution (as fast as 20 Hz) and with exquisite sensitivity – in the low parts per trillion range for many species. TILDAS Trace Gas Analyzer Use the filters below to explore many of the trace gas species the instrument
- [Employment](https://aerodyne.com/employment/) - career opportunities What we do Aerodyne Research, Inc., is an R&D company in Billerica, MA, providing research and development services and advanced instrument and software products to industrial, academic and government customers. WHY WE DO IT Our work addresses national and international environmental and energy challenges with particularly strong capabilities in atmospheric chemistry, air pollution,
- [Vocus](https://aerodyne.com/gas-phase-analyzers/vocus/) - Vocus CI-TOF Measurement System Chemical ionization mass spectrometers for measuring gas and particle species. Bipolar Operation: Allows for positive and negative ion detection Ultimate Flexibility: Interchangeable gas and particle inlets and ionization sources for selective detection of different chemical classes High Sensitivity: Sub pptv detection of a wide range of gas and particle analytes Real
- [Gas Chromatography](https://aerodyne.com/gas-phase-analyzers/gc/) - Gas Chromatograph A field-deployable modular GC with thermal desorption pre-concentration for time-of-flight mass spectrometry with specialized software included for operation and data analysis. Gas Chromatograph Aerodyne Research offers a modular gas chromatograph (GC) with thermal desorption preconcentration (TDPC) that combines recent innovations in fast GC separation with highly selective and sensitive detection in a field-deployable
- [Contact](https://aerodyne.com/contact/) - Contact Aerodyne Research 45 Manning Road Billerica, MA 01821-3976 info@aerodyne.com (978) 663-9500 (978) 663-4918 Instrument Support & Knowledge Base Existing customers in need of product / technical support, please email us at support@aerodyne.com.To sign up for the Support Portal, with access to training manuals, how to videos and our support ticket tracking system, please visit
- [CAPS](https://aerodyne.com/gas-phase-analyzers/caps/) - CAPS Gas Phase monitors Research-grade instrumentation for accurate and precise continuous monitoring of nitrogen oxides (NO and NO2) using our patented Cavity Attenuated Phase Shift (CAPS) technique. CAPS Monitors CAPS monitors are used worldwide in research laboratories and deployed in field campaigns at fixed sites, in mobile laboratories, and on ship and aircraft platforms. Automated
- [Geochemistry](https://aerodyne.com/applications/geochemistry/) - Geochemistry Field deployable instruments for the measurement of isotopes and clumped isotopes of CO2, CH4, and N2O. Geochemistry Applications Measurement precision comparable to much larger and more expensive IRMS instruments. Carbonate Instruments Overview Click on the instruments below to view its brochure. 17O excess in carbonate 17O excess plus δ13C Carbonate clumped isotope analysis Pure
- [mipTOF](https://aerodyne.com/gas-phase-analyzers/miptof/) - miptof Microwave Induced Plasma Time-of-Flight Mass Spectrometry mipTOF Field Deployable Real-Time Analysis of Trace Elements and Metals in Air Metal Detection in Individual Aerosol Particles Request a Quote Features View Product Brochure High-Power Plasma Source Microwave-sustained inductively coupled atmospheric plasma (MICAP, RADOM Instruments), operable with N2 gas or air Field Deployable On-site gas generation eliminates
- [Ecological Research](https://aerodyne.com/ecological-research/) - Ecological Research Aerodyne scientists combine their extensive field and laboratory experience with access to a wide range of measurement platforms to provide accurate, precise, and chemically comprehensive insights into ecosystem function and behavior.Aerodyne ecological field and lab services include subsurface gas mapping and flux measurements, laboratory mesocosm studies, dissolved gas measurements, and measurement method development.
- [Aerodyne Mobile Laboratory](https://aerodyne.com/aerodyne-mobile-laboratory/) - Mobile Laboratory What Can It Do For You? The Aerodyne Mobile Laboratory has a suite of instrumentation that changes depending on the requirements of the measurement campaign. Our experts in various fields are available to join your campaign. Capabilities The mobile lab has traveled the globe conducting various types of research. In addition to our
- [Research Services](https://aerodyne.com/research-services/) - Research Services Inside the Mobile Lab The Aerodyne Mobile Laboratory has a suite of instrumentation that changes depending on the requirements of the measurement campaign. Mobile Lab Provides size & chemical mass loading information for non-refractory, sub-micron aerosol particles. Learn More Aircraft Emissions Research Real-time molecular monitoring with fast time resolution and with exquisite sensitivity.
- [Aircraft Emissions Research](https://aerodyne.com/aircraft-emissions-research/) - Aircraft Emissions Research Aerodyne Aircraft Emissions Research Aerodyne Research has a long history measuring the emissions of aircraft and studying how those aviation emissions influence the environment. As Aerodyne proprietary instruments have been developed and improved over the years, they continue to play an important role in these studies – right up to the present
- [Soil Probes](https://aerodyne.com/soil-probes/) - Soil Gas Sampling System A flexible, field-deployable gas probe array for monitoring biogeochemical changes in ecological and agricultural research. Real-time Soil Analysis for Trace Gas Detection Spatiotemporal mapping of subsurface trace gases (including isotopes) and volatile organic compounds provides valuable insights into biogeochemical cycling, but very few methods measure in-situ soil gases. Agronomy Agronomy Sampling
- [EI-HTOF MS](https://aerodyne.com/ei-htof-ms/) - EI-HTOF Mass Spectrometer High resolution Time-of-Flight Mass Spectrometer for gas chromatography applications. EI-HTOF Mass Spectrometer for GC Application Product Brochure Request a Quote Electron impact ionization low-pressure interface TOF-MS greatly increases chemical information compared to quadrupole MS for gas chromatography studies Heated capillary transfer inlet Ideal for field-portable and laboratory applications demanding high mass accuracy
- [Field Enclosure](https://aerodyne.com/gas-phase-analyzers/field-enclosure/) - Field Enclosure A weatherproof, thermally stabilized instrument enclosure that provides a plug-and-play solution to deploy state-of-the-art instrumentation in the field. Field Enclosure Aerodyne Field Enclosures are rugged, have a corrosion-free design and are field-ready. They are ideal for long-term deployment at remote sites with limited infrastructure. The enclosure provides very high temperature stability to ensure
- [TWST](https://aerodyne.com/twst/) - TWST: Cloud Properties Spectroradiometer The Aerodyne TWST (Three-Waveband Spectrally-agile Technique) is a calibrated spectroradiometer that records the spectral radiance in the visible wavelength regime with high temporal resolution. Three-Waveband Spectrally-agile Technique The Aerodyne TWST (Three-Waveband Spectrally-agile Technique) is a calibrated spectroradiometer which stares at a narrow segment of the sky directly overhead, recording the spectral
- [Potential Aerosol Mass Reactor](https://aerodyne.com/gas-phase-analyzers/pam/) - Potential Aerosol Mass Oxidation Flow Reactor (PAM-OFR) A highly oxidizing environment that simulates oxidation processes on timescales of days in the atmosphere in minutes in real time. Single, Dual and Triple Versions Available A highly oxidizing environment that simulates oxidation processes on timescales of days in the atmosphere in minutes in real time. Available in
- [CAPS](https://aerodyne.com/particle-instruments/caps/) - CAPS Particle Optical Properties Research grade instrumentation for particle optical extinction & single scattering albedo measurements using our patented Cavity Attenuated Phase Shift (CAPS) technique. CAPS systems are used worldwide in research laboratories and deployed in field campaigns at fixed sites, in mobile laboratories, and on ship and aircraft platforms. Aerodyne offers several state-of-the-art optical
- [Health](https://aerodyne.com/applications/health/) - Health Measurement capabilities for studying gas and particulate pollutants to help improve our understanding of pollutant exposure on human health and the impacts on ecosystems. Applications AllAir qualityMeasurement of HAPSEmissions from wildfires & combustion sourcesMedical Aerosol Mass Spectrometer (AMS)Measure real-time, non-refractory, size-resolved particulate chemical composition and mass. Aerosol Chemical Speciation Monitor (ACSM)Measure real-time, non-refractory aerosol
- [Support](https://aerodyne.com/support/) - Support Existing Customers log in to the Aerodyne Support Portal Support Portal For immediate assistance or questions about signing up for the Support Portal, please email us at support@aerodyne.com. Instrument Support & Knowledge Base This is where you can find training materials, manuals, software downloads, how-to videos, maintenance tips, and troubleshooting guides for the various Aerodyne
- [Emissions](https://aerodyne.com/applications/emissions/) - Emissions Fast, sensitive, and selective measurement capabilities to quantity a broad range of industrial gas and particulate emissions for both the energy and chemical industries. Applications AllFence line/ compliance monitoringCombustion SourcesBiogenic Sources Aerosol Mass Spectrometer (AMS)Measure real-time, non-refractory, size-resolved particulate chemical composition and mass. Aerosol Chemical Speciation Monitor (ACSM)Measure real-time, non-refractory aerosol particle mass and
- [Agronomy](https://aerodyne.com/applications/agronomy/) - Agronomy Unique soil probes and instrumentation to study soil management and crop production. Applications AllSoil HealthGas Exchange Air Soil InterfaceSampling Probes Vocus CI-TOF with Particle InletsReal-time chemical analysis of trace gases, aerosols, or atmospheric ions. Cavity Attenuated Phase Shift (CAPS) Monitors for Gas PhaseAccurate and precise continuous monitoring of nitrogen oxides. Tunable Infrared Laser Direct
- [Atmosphere](https://aerodyne.com/applications/atmosphere/) - Atmosphere A wide array of Mass Spectrometric based instruments for real-time aerosol size and chemistry, optical particle instruments for aerosol extinction & single scattering albedo measurements and infrared spectroscopic (TILDAS) instruments for trace gas and isotopic measurements. Atmosphere Applications Use the buttons below to explore our product offerings AllVOC MeasurementsCloud PropertiesAerosol ChemistryAerosol Optical PropertiesTrace GasesIsotope
- [Aerosol Chemical Speciation Monitor](https://aerodyne.com/acsm/) - Aerosol Chemical Speciation Monitor Measures mass loading and chemical composition of non-refractory aerosol particles in real-time. ACSM instruments use the same technology as our AMS series. Smaller, lower cost, more robust, and simpler to operate than our AMS instruments, the ACSM is designed for long-term unattended deployment and routine monitoring applications. There are three ACSM
- [Products](https://aerodyne.com/products/) - Products & Services Explore Our Instruments and our Measurement Services Particle Instruments Measure aerosol size and chemical composition, aerosol extinction and single scattering albedo measurements with real time reporting. Learn More Gas Phase Instruments Measurement techniques for atmospheric chemistry, geochemistry and agronomy using visible and infrared optical absorption and mass spectrometric based instruments. Learn More
- [Mail Lists](https://aerodyne.com/mail-lists/) - Mail Lists Sign up for an Aerodyne Mail List Aerodyne Mail Lists provide a forum to stay connected on product and software updates, industry meetings, and other announcements. Aerosol Mass Spectrometer Mail List How to Subscribe to the AMS List Fill out the ams-users form Send a message to ams-list-approval@aerodyne.com In the email, state your
- [Particle Instruments](https://aerodyne.com/particle-instruments/) - Particle Instruments Technologies designed by Aerodyne scientists to pursue the advancement of our understanding of the changing environment. Particle Instruments A wide array of Mass Spectrometric based instruments for real-time aerosol size and chemistry, optical particle instruments for aerosol extinction and single scattering albedo measurements. This array of products includes research grade instruments as well
- [Gas Phase Analyzers](https://aerodyne.com/gas-phase-analyzers/) - Gas Phase instruments Technologies designed by Aerodyne scientists to pursue the advancement of our understanding of the changing environment. Gas Phase Instruments A wide array of Mass Spectrometric based instruments for real-time aerosol size and chemistry, optical particle instruments for aerosol extinction and single scattering albedo measurements. This array of products includes research grade instruments
- [Other Technologies](https://aerodyne.com/other-technologies/) - Other Technologies Technologies designed by Aerodyne scientists to pursue the advancement of our understanding of the changing environment. Additional Technologies Innovative tools and accessories to enhance our instruments’ measurement capabilities. TWST TWST Cloud Optical Depth (COD) Sensor Accurate and Precise Continuous Monitoring of Cloud Optical Depth (COD) Measures VIS spectra (400-1000 nm) Provides true 1
- [Aerosol Mass Spectrometer](https://aerodyne.com/particle-instruments/ams-acsm/) - AEROSOL MASS SPECTROMETER A research grade instrument capable of providing size and chemical mass loading information for non-refractory, sub-micron aerosol particles into a single real-time measurement system. AMS systems are used worldwide in research laboratories, and deployed in field campaigns at fixed sites, in mobile laboratories, and on ship and aircraft platforms. With the addition
- [News](https://aerodyne.com/news/) - News & Events AllConferencesPress ReleasesVisitors to AerodyneField CampaignsProduct NewsPublications Aerodyne Team Heads Back to ViennaEGU 2026 Trip Aerodyne is excited to be heading back to Vienna to attend the 2026 EGU Conference from May 3rd – 8th. This year, our new Compact TD-GC-PRT-TOF-MS will ... Read More 2026 National Small Business Week Winners Announced2026 National
- [Applications](https://aerodyne.com/applications/) - Applications Aerodyne Research instruments are designed to handle a wide array of scientific applications. Applications Aerodyne specializes in developing research grade instrumentation for a variety of applications as well as providing measurement services. Atmosphere Atmosphere Real time measurement capabilities for studying the chemical processing of anthropogenic and biogenetic species for improving our understanding of our
- [Vocus CI-TOF Scout](https://aerodyne.com/vocus-ci-tof-scout/)
- [Mini AMS](https://aerodyne.com/mini-ams/) - AMS Instruments The ARI Aerosol Mass Spectrometer is a research grade instrument capable of providing size and chemical mass loading information for non-refractory sub- micron aerosol particles into a single real-time measurement system. Mini AMS Overview Advantages Applications Mini AMS Measure real-time, non-refractory, size-resolved particulate chemical composition and mass. The AMS couples size-resolved particle sampling

## My Templates

- [NEW Conference Schedule](https://aerodyne.com/?elementor_library=new-conference-schedule) - 2026 Conferences EGU 2026 Vienna, Austria May 3 - 8 Booth #64 NCGG Ultrech, Netherlands June 15 - 17 Booth International Clumped Isotope Workshop Ultrech, Netherlands June 24 - 26 Attending Canadian Aerosol Conference Ottawa, Canada July 8 - 10 Booth Goldschmidt 2026 Montreal, Quebec July 12 - 17 Booth #306 IAC 2026 Xi'an, China
- [OLD Conference Schedule](https://aerodyne.com/?elementor_library=old-conference-schedule) - 2026 Conferences Nordic Society for Aerosol Research 2026 Lund, SwedenMarch 3 - 5 Booth NCGG Ultrech, Netherlands June 15 - 17 Booth ICOS 2026 Lund, Sweden September 15 -17 Booth #12 ARPA-E 2026 Tech Showcase San Diego, CA April 7 - 9 Booth #744 International Clumped Isotope Workshop Ultrech, Netherlands June 24 - 26 Attending
- [Elementor Footer #567](https://aerodyne.com/?elementor_library=elementor-footer-567) - Content area
- [CAPS NOx](https://aerodyne.com/?elementor_library=caps-nox) - CAPS NOx - NO2 Monitor Fast, Accurate and Precise Measurement of Nitrogen Oxides (NO and NO2) Simultaneous dual channel NO2 and NOX (NO by subtraction) High linearity (better than 1%) Aquisition rate of 1Hz Direct measurement NO2 Essentially interference-free Automated and autonomous operation Minimal maintenance (periodic change of filter and scrubber) No toxic gas emissions
- [CAPs NO2 real](https://aerodyne.com/?elementor_library=caps-no2-real) - CAPS NO2 Monitor Fast, Accurate and Precise Continuous Measurement of Nitrogen Dioxide Measurement of concentrations from pptv to 10 ppmv High linearity (better than 1%) Aquisition rate of 1 Hz Direct measurement of NO2; no chemical conversion required Essentially interference-free Automated and autonomous operation Minimal maintenance (periodic change of filter and scrubber) No toxic gas
- [ATM-EM-Health Applications](https://aerodyne.com/?elementor_library=atm-em-health-applications) - AMS Applications Atmosphere Atmosphere Aerosol Chemistry Learn More Emissions Emissions Fence line/ compliance monitoring, combustion sources, biogenic sources Learn More Health Health Indoor/outdoor air quality, emissions from wildfires and combustion sources Learn More
- [Default Kit](https://aerodyne.com/?elementor_library=default-kit)
- [Carousel of Windows](https://aerodyne.com/?elementor_library=carousel-of-windows) - Aerodyne Aviation Activities Intergovernmental Panelon Climate Change Studies in the 1990s were used to support the Intergovernmental Panel on Climate Change (IPCC) in their 1999 report on Aviation and the Global Atmosphere, which was part of IPCC’s work that was recognized with a Nobel Peace Prize. SAE E-31 Committee on Aircraft Engine Gas and Particulate
- [Field Campaign Windows](https://aerodyne.com/?elementor_library=field-campaign-windows) - Field Campaigns Air Quality in Cities A full suite of trace gas, PM, and VOC instruments has been used to investigate industrial emissions and other air quality concerns in several major cities. Oil and Natural Gas Facility Measurements Tracer release studies have been conducted with the Aerodyne Mobile Laboratory to quantify emissions across the oil
- [soil probes](https://aerodyne.com/?elementor_library=soil-probes) - Soil Probes Diffusive exchange across a hydrophobic membrane Robust hydrophobic porous membrane prevents water breakthrough over months of in-ground use Soil gas enters probe through diffusion Flow control transfers the sample to the instrument avoiding advective perturbation Rugged for long term deployments Non-destructive Small, low profile Spatially and temporally-resolved dynamics with high signal-to-noise Developed in
- [soil accessories](https://aerodyne.com/?elementor_library=soil-accessories) - Soil Gas Sampling System Accessories Field Enclosure Rugged, field-ready with a corrosion free design. Ideal for long-term deployments.
- [vocus accessories](https://aerodyne.com/?elementor_library=vocus-accessories) - VocuS Accessories Multi Selector System and Soil Probes A flexible, field-deployable gas probe array for monitoring biogeochemical changes in ecological and agricultural research. Field Enclosure Rugged, field-ready with a corrosion free design. Ideal for long-term deployments.
- [laser accessories](https://aerodyne.com/?elementor_library=laser-accessories) - TILDAS Accessories Multi Selector System and Soil Probes A flexible, field-deployable gas probe array for monitoring biogeochemical changes in ecological and agricultural research. Field Enclosure Rugged, field-ready with a corrosion free design. Ideal for long-term deployments.
- [vocus inlet](https://aerodyne.com/?elementor_library=vocus-inlet) - VIA (Vaporization Inlet for Aerosols) The Vaporization Inlet for Aerosols (VIA) is used for thermal desorption of organic aerosols for on-line analysis by the Vocus. View Product Brochure
- [figaero vocus](https://aerodyne.com/?elementor_library=figaero-vocus) - FIGAERO (Filter Inlet for Gas & Aerosols) The FIGAERO is an aerosol sampling inlet/interface for analysis of organic aerosol chemical composition and volatility. View Product Brochure Contact Aerodyne
- [GC Vocus](https://aerodyne.com/?elementor_library=gc-vocus) - Gas Chromatograph Our Fast Compact GC system can be attached to the front of the Vocus for thermal desorption preconcentration for insitu analysis of VOCs and OVOCs. Learn More View Product Brochure
- [tof acsm extended](https://aerodyne.com/?elementor_library=tof-acsm-extended-2) - TOF ACSM-X
- [tof-acsm](https://aerodyne.com/?elementor_library=tof-acsm) - TOF ACSM
- [q-acsm](https://aerodyne.com/?elementor_library=q-acsm) - Q-ACSM
- [mini button final](https://aerodyne.com/?elementor_library=mini-button-final) - Mini AMS
- [ltof ams button](https://aerodyne.com/?elementor_library=ltof-ams-button) - LTOF-AMS
- [htof ams button](https://aerodyne.com/?elementor_library=htof-ams-button) - HTOF-AMS
- [htof ams v mode](https://aerodyne.com/?elementor_library=htof-ams-v-mode) - HTOF-AMS
- [caps pmssa](https://aerodyne.com/?elementor_library=caps-pmssa) - CAPS PMssa Monitor Accurate and Precise Continuous Monitoring of Particle Optical Extinction, Scattering, Single Scattering Albedo, and Absorption Simultaneous measurement of extinction and scattering on same sample volume SSA measurement requires calibration and truncation correction as function of particle size (software provided) Scattering and absorption derived from extinction and SSA measurements Measurement of optical extinction
- [caps pmex real](https://aerodyne.com/?elementor_library=caps-pmex-real) - CAPS PMex Monitor Accurate and Precise Continuous Monitoring of Particle Optical Extinction (Scattering + Absorption) Measurement of ambient optical extinctions at the < 1 Mm-1 level with 1 s response time Linear response (0 - 3000 Mm-1) No calibration required Automated and autonomous operation: • Automated background subtraction• No zero air Minimal maintenance (periodic change
- [twst cps](https://aerodyne.com/?elementor_library=twst-cps) - TWST – CPS Sensor Accurate and Precise Continuous Monitoring of Cloud Properties: Optical Depth, Effective Radius, Phase Measures VIS spectra (400-1700 nm) Provides 1 Hz sample rate Resolves thick/thin cloud ambiguity High Temporal Resolution; Typical SNR (530 nm) > 1000 at 1 Hz Proven radiometric stability under harsh field conditions; frequent recalibration not required Sealed
- [Product brochure button](https://aerodyne.com/?elementor_library=product-brochure-button) - View Product Brochure
- [Elementor Header #45](https://aerodyne.com/?elementor_library=elementor-header-45) - Content area
- [vocus adv 11-10-23](https://aerodyne.com/?elementor_library=vocus-adv-11-10-23) - Vocus Advantages Bipolar ion detection Interchangeable ionization sources for selective detection of different chemical classes Quantitative response with broad dynamic range Sub pptv gas-phase limits of detection Molecular identification and elemental speciation High-speed data acquisition Low power, field portable assembly Learn More
- [CAPS Particle Overview](https://aerodyne.com/?elementor_library=caps-overview) - CAPS Particle Optical Properties View CAPS Particle Models & their Applications Research grade instrumentation for particle optical extinction & single scattering albedo measurements using our patented Cavity Attenuated Phase Shift (CAPS) technique. Aerodyne’s Cavity Attenuated Phase Shift (CAPS) instruments are based on fixed wavelength(s) over the visible spectral range particle based optical extinction, or optical
- [AMS Particle Overview](https://aerodyne.com/?elementor_library=ams-use) - Aerosol Mass Spectrometer View all AMS Models & their Applications A research grade instrument capable of providing size and chemical mass loading information for non-refractory sub-micron aerosol particles into a single real-time measurement system. AMS systems are used worldwide in research laboratories, and deployed in field campaigns at fixed sites, in mobile laboratories, and on
- [ACSM Particle Overview](https://aerodyne.com/?elementor_library=acsm-overview) - AEROSOL CHEMICAL SPECIATION MONITOR View all ACSM Models & their Applications ACSM instruments use the same technology as our AMS series. Smaller, lower cost, more robust, and simpler to operate than our AMS instruments, the ACSM is designed for long-term unattended deployment and routine monitoring applications. There are three ACSM models available: quadrupole, time-of-flight, or
- [ams mail list 1](https://aerodyne.com/?elementor_library=ams-mail-list-1) - How to Subscribe to the AMS List Fill out the ams-users form Send a message to ams-list-approval@aerodyne.com In the email, state your name, institutional affiliation, and a short explanation of how you use or plan to use the Aerosol Mass Spectrometer. For specific AMS software/hardware technical support questions contact support@aerodyne.com
- [CAPS Gas Overview](https://aerodyne.com/?elementor_library=caps-overview-copy) - CAPS GAs Phase View CAPS Gas Phase Models & their Applications Research-grade instrumentation for accurate and precise continuous monitoring of nitrogen oxides (NO and NO2) using our patented Cavity Attenuated Phase Shift (CAPS) technique. Automated and autonomous operation with minimal maintenance Essentially interference-free No toxic gas emissions Customization available
- [laser mail list](https://aerodyne.com/?elementor_library=laser-mail-list) - Subscribe to the Laser Monitor and Trace Gas Mail List A read only list to announce software updates for our laser monitors. The Aerodyne Research e-mail list for users of our tunable laser, trace gas monitors. This is a low traffic list related to updates to the instrument operating software (TDLWintel), although additional topics may
- [cims mail list](https://aerodyne.com/?elementor_library=cims-mail-list) - Subscribe to the Chemical Ionization Mass Spectrometer Mail List A read only list to announce software updates for our Vocus CI-TOF and CIMS instruments. Please self-subscribe to the CIMS users list for for users’ meeting announcements, updates, and other CI-TOF information. To subscribe, fill out the cims-users form For specific CIMS software/hardware technical support questions
- [PAM mail list](https://aerodyne.com/?elementor_library=pam-mail-list) - How to Subscribe to the PAM Oxidation Flow Reactor Mail List Fill out the pam-users form Send a message to pam-list-approval@aerodyne.com In the email, state your name, institutional affiliation, and a short explanation of how you use or plan to use the PAM. For specific PAM software/hardware technical support questions contact support@aerodyne.com
- [Soil Probes Tech](https://aerodyne.com/?elementor_library=soil-probes-other-tech) - Soil Probes Diffusive exchange across a hydrophobic membrane Robust hydrophobic porous membrane prevents water breakthrough over months of in-ground use Soil gas enters probe through diffusion Flow control transfers the sample to the instrument avoiding advective perturbation Rugged for long term deployments Non-destructive Small, low profile Spatially and temporally-resolved dynamics with high signal-to-noise Developed in
- [PAM Gas Overview](https://aerodyne.com/?elementor_library=pam-vocus) - Potential Aerosol Mass Oxidation Flow Reactor The PAM-OFR provides a highly oxidizing environment that simulates oxidation processes on the timescales of day in the atmosphere in minutes in real time. Learn More
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- [AMS Mail List](https://aerodyne.com/?elementor_library=ams-mail-list) - How to Subscribe to the AMS List Fill out the ams-users form Send a message to ams-list-approval@aerodyne.com In the email, state your name, institutional affiliation, and a short explanation of how you use or plan to use the Aerosol Mass Spectrometer. For specific AMS software/hardware technical support questions contact cacc-support@aerodyne.com.
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- [Atmosphere Full Charts](https://aerodyne.com/?elementor_library=atmosphere-full-charts) - Particle Instruments Click the Product Name to Learn More Atmosphere Products VOC Measurements Cloud Properties Aerosol Chemistry Aerosol Optical Properties Trace Gases Isotope Measurements Mini AMS X HTOF AMS X LTOF AMS X Q-ACSM X TOF ACSM X TOF-X ACSM X PMex X PMex Multi X PMssa X TAG X VOCUS X Gas Phase Instruments
- [Atmosphere Chart](https://aerodyne.com/?elementor_library=atmosphere-chart) - Particle Instruments VOC Measurements Cloud Properties Aerosol Chemistry Aerosol Optical Properties Trace Gases Isotope Measurements Mini AMS 0.025 600 1-400 25.6” x 20.1”x 23.6” 165lbs HTOF AMS 0.04 7000 1-1000 55” x 24” x 27” 275lbs LTOF AMS 0.03 5000 1-1200 41” x 24” x 50” 320lbs Q-ACSM TOF ACSM TOF-X ACSM PMex CAPS Monitors
- [buttons](https://aerodyne.com/?elementor_library=buttons) - Contact Aerodyne
- [mini applications new](https://aerodyne.com/?elementor_library=mini-applications-new) - Applications Don’t see your application listed? Get in touch to see what Aerodyne can do for you! Get in Touch Atmosphere Aerosol Chemistry Health Indoor/outdoor air quality Emissions from wildfires & combustion sources Emissions Fence line/ compliance monitoring Combustion Sources – aircraft, ship, cars/truck emissions (we are experts in aircraft emission and on road car
- [mini ams overview](https://aerodyne.com/?elementor_library=mini-ams-overview-2) - Mini AMS Measure real-time, non-refractory, size-resolved particulate chemical composition and mass. The AMS couples size-resolved particle sampling and mass spectrometric techniques into a single real-time measurement system. Over 200 instruments are in use in industrial, academic and government laboratories.
- [applications mini](https://aerodyne.com/?elementor_library=applications-mini) - Aerosol Chemistry Indoor/outdoor air quality Emissions from wildfires & combustion sources Combustion Sources – aircraft, ship, cars/truck emissions (we are experts in aircraft emission and on road car emissions) Biogenic sources- ag fields, forest canopy, marine (gas or particles) Fence line/ compliance monitoring
- [advantages mini](https://aerodyne.com/?elementor_library=advantages-mini) - Compact vacuum system for applications where space is limited (i.e., mobile platforms) Similar size compared to TOF-ACSM but provides size resolution measurements Aerodynamic particle lens for efficient gas-particle separation Linear universal detection through two-step thermal vaporization (~600 C) and electron impact ionization process Single particle detection mode via event trigger Mass spectrometric analysis (0-400m/z) Particle
- [accordian template](https://aerodyne.com/?elementor_library=accordian-template) - Particle Instruments A wide array of Mass Spectrometric based instruments for real-time aerosol size and chemistry, optical particle instruments for aerosol extinction and single scattering albedo measurements. This array of products includes research grade instruments as well as smaller monitoring-based instruments. Aerosol Mass Spectrometer Aerosol Mass Spectrometer View all AMS Models & their Applications A
- [ams new](https://aerodyne.com/?elementor_library=ams-new) - ARI Aerosol Mass Spectrometer A research grade instrument capable of providing size and chemical mass loading information for non-refractory sub- micron aerosol particles into a single real-time measurement system. AMS systems are used worldwide in research laboratories, and deployed in field campaigns at fixed sites, in mobile laboratories, and on ship and aircraft platforms. With the
- [ams for accordian](https://aerodyne.com/?elementor_library=ams-for-accordian) - ARI Aerosol Mass Spectrometer The ARI Aerosol Mass Spectrometer is a research grade instrument capable of providing size and chemical mass loading information for non-refractory sub- micron aerosol particles into a single real-time measurement system. AMS systems are used worldwide in research laboratories, and deployed in field campaigns at fixed sites, in mobile laboratories, and
- [ams models](https://aerodyne.com/?elementor_library=ams-models) - ARI Aerosol Mass Spectrometer There are three versions of the Aerodyne AMS instrument. The LTOF-AMS, HTOF-AMS, and the Mini-AMS. These instruments differ in performance, size and weight. Click on a model in the table to learn more. Mass Spectrometer System Detection Limit (µg/m3) Data Rate (M/ΔM) Mass Range (m/z) Length x Depth x Height Weight
- [home template to use](https://aerodyne.com/?elementor_library=home-template-to-use) - Technology Enhancing Science for the Environment Aerodyne Research provides state of the art research and development services, as well as advanced instrumentation for addressing national and international environmental and energy challenges. Applications Aerodyne instruments are designed to handle a wide array of scientific applications. Agronomy Agronomy Crop and soil sciences research and instrumentation. Learn More
- [mini ams advantages](https://aerodyne.com/?elementor_library=mini-ams-advantages) - Advantages Compact vacuum system for applications where space is limited (i.e., mobile platforms) Similar size compared to TOF-ACSM but provides size resolution measurements Aerodynamic particle lens for efficient gas particle separation Linear universal detection of sulfate, nitrate, ammonium, chloride and organic aerosol species through two-step thermal vaporization (~600 C) and electron impact ionization process. Single
- [mini ams overview](https://aerodyne.com/?elementor_library=mini-ams-overview) - Mini AMS Measure real-time, non-refractory, size-resolved particulate chemical composition and mass. The AMS couples size-resolved particle sampling and mass spectrometric techniques into a single real-time measurement system. Over 200 instruments are in use in industrial, academic and government laboratories.
- [home layout temo](https://aerodyne.com/?elementor_library=home-layout-temo) - Technology Enhancing Science for the Environment Aerodyne Research offers custom research and solutions for monitoring & enhancing regional & global environmental quality & advancing remote sensing capabilities. Applications Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Agronomy Agronomy Lorem ipsum dolor sit amet consectetur adipiscing
- [old product](https://aerodyne.com/?elementor_library=old-product) - AMS/ACSM Particle Instruments The Aerodyne Aerosol Mass Spectrometer (AMS) is the only currently available instrument capable of providing quantitative size and chemical mass loading information in real-time for non-refractory sub-micron aerosol particles. Aerosol Mass Spectrometers (AMS/ACSM) Features Applications Specifications Publications Features Measure real-time, non-refractory, size-resolved particulate chemical composition and mass. The AMS couples size-resolved particle
- [stationary cards](https://aerodyne.com/?elementor_library=stationary-cards) - Applications Learn More AtmosphereUltra-low limits of detection with the highest available mass resolving power.Learn More AgronomyUltra-low limits of detection with the highest available mass resolving power.Learn More GeochemistryUltra-low limits of detection with the highest available mass resolving power.Learn More HealthUltra-low limits of detection with the highest available mass resolving power.Learn More EmissionsUltra-low limits of detection
- [agronomy flip](https://aerodyne.com/?elementor_library=agronomy-flip) - AgronomyLearn More
- [Elementor Loop Item #625](https://aerodyne.com/?elementor_library=elementor-loop-item) - Aerodyne Team Heads Back to Vienna EGU 2026 Trip Aerodyne is excited to be heading back...Read More crobinsonApril 15, 2026 2026 National Small Business Week Winners Announced 2026 National Small Business Week Winners Announced Aerodyne Research is...Read More crobinsonApril 3, 2026 Aerodyne team headed to San Diego for the ARPA-E Technology Showcase We hope to
- [post](https://aerodyne.com/?elementor_library=post) - January 27, 2023 Aerodyne Research at AAAR 2022! Aerodyne Research will attend AAAR 2022 in Raleigh, NC October 3-7. Be sure to visit us in the exhibition area at Booth 15! Check out the schedule below to see some of our latest works and collaborations being presented: Tuesday, October 4th:9:45 AM Presentation in 301 A/B:Atmospheric
- [MEGA MOCKUP](https://aerodyne.com/?elementor_library=mega-mockup) - Particle Instruments Aerosol Mass Spectrometer Mini AMS HTOF - AMS LTOF - AMS Aerosol Chemical Speciation Monitor Q - ACSM TOF - ACSM TOF - ACSM - X CAPS Monitors CAPS NO2 Monitor CAPS PMex Monitor CAPS PMex Multi Monitor CAPS PMssa Monitor Potential Aerosol Mass Reactor Gas Phase Instruments Laser Analyzers TILDAS Compact Single
- [contact section](https://aerodyne.com/?elementor_library=contact-section) - Contact aerodyne Email us at info@aerodyne.com for more information Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Name Email Message Send
- [ams specifications](https://aerodyne.com/?elementor_library=ams-specifications) - Specifications Mass Spectrometer System Detection Limit (µg/m3) Mass Resolving Power (m/Δm) Mass Range (m/z) Mini-AMS 0.025 600 1-400 HTOF-AMS V-Mode 0.003 2500 1-1200 HTOF-AMS W-Mode 0.03 5000 1-1200 LTOF-AMS 0.04 7000 1-1000 *Detection limits are for 1 minute integration. Detection limits depend on chemical species. Typical values for nitrate are listed.
- [ams applications](https://aerodyne.com/?elementor_library=ams-applications) - Applications Measure real-time, non-refractory, size-resolved particulate chemical composition and mass. The AMS couples size-resolved particle sampling and mass spectrometric techniques into a single real-time measurement system. Over 200 instruments are in use in industrial, academic and government laboratories. Air quality & climate change research Fast response plume studies up to 5 Hz Mobile measurements from
- [ams features](https://aerodyne.com/?elementor_library=ams-features) - Features Measure real-time, non-refractory, size-resolved particulate chemical composition and mass. The AMS couples size-resolved particle sampling and mass spectrometric techniques into a single real-time measurement system. Over 200 instruments are in use in industrial, academic and government laboratories. Particle aerodynamic diameter determined from particle time-of-flight (velocity) measurements using a particle beam chopping technique Several mass
- [Home layout](https://aerodyne.com/?elementor_library=home-layout-2) - Technology Enhancing Science Where Does Your Study Lie? Atmospheric Health Soil Industrial Environmental Custom research and solutions for monitoring & enhancing regional & global environmental quality & advancing remote sensing capabilities. Products & Solutions Particle Instruments Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet. Learn More Gas
- [Home layout](https://aerodyne.com/?elementor_library=home-layout) - High Energy Physics Experts in analytic & numerical analysis of complex scientific problems. Learn More Voss Scientific provides scientific, engineering, & R&D support in the fields of computational physics, electromagnetics, & high energy physics. Our Products CHICAGO™ A plasma engineering design tool for high power diodes, high power microwaves, and inertial and magnetic fusion. Learn

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