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Kinetics and Products of Heterogeneous Hydroxyl Radical Oxidation of Isoprene Epoxydiol-Derived Secondary Organic Aerosol
Kinetics and Products of Heterogeneous Hydroxyl Radical Oxidation of Isoprene Epoxydiol-Derived Secondary Organic Aerosol Jin Yan, Yue Zhang, Yuzhi Chen, N. Cazimir Armstrong, Nicolas A. Buchenau, Ziying Lei, Yao Xiao, ... Read More
Role of sesquiterpenes in biogenic new particle formation
Role of sesquiterpenes in biogenic new particle formation Lubna Dada, Dominik Stolzenburg, Mario Simon, Lukas Fischer, Martin Heinritzi, Mingyi Wang, Mao Xiao, Alexander L. Vogel, Lauri Ahonen, Antonio Amorim, Rima ... Read More
Effect of Drought and Heavy Precipitation on CH4 Emissions and δ13C–CH4 in a Northern Temperate Peatland
Effect of Drought and Heavy Precipitation on CH4 Emissions and δ13C–CH4 in a Northern Temperate Peatland Clarice R. Perryman, Carmody K. McCalley, Joanne H. Shorter, Apryl L. Perry, Natalie White, ... Read More
Chemically distinct particle-phase emissions from highly controlled pyrolysis of three wood types
Chemically distinct particle-phase emissions from highly controlled pyrolysis of three wood types Anita M. Avery, Mariam Fawaz, Leah R. Williams, Tami Bond and Timothy B. Onasch Atmospheric Chemistry and Physics ... Read More
Shortwave absorption by wildfire smoke dominated by dark brown carbon
Shortwave absorption by wildfire smoke dominated by dark brown carbon. Rajan K. Chakrabarty, Nishit J. Shetty, Arashdeep S. Thind, Payton Beeler, Benjamin J. Sumlin, Chenchong Zhang, Pai Liu, Juan C. ... Read More
Drought re-routes soil microbial carbon metabolism towards emission of volatile metabolites in an artificial tropical rainforest
Drought re-routes soil microbial carbon metabolism towards emission of volatile metabolites in an artificial tropical rainforest Linnea K. Honeker, Giovanni Pugliese, Johannes Ingrisch, Jane Fudyma, Juliana Gil-Loaiza, Elizabeth Carpenter, Esther ... Read More
Changes in Physicochemical Properties of Organic Aerosol During Photochemical Aging of Cooking and Burning Emissions
Changes in Physicochemical Properties of Organic Aerosol During Photochemical Aging of Cooking and Burning Emissions Weiqi Xu, Zhijie Li, Zhiqiang Zhang, Jinjian Li, Eleni Karnezi, Andrew T. Lambe, Wei Zhou, ... Read More
Optimizing the carbonic anhydrase temperature response and stomatal condutance of carbonyl sulfide leaf uptake in the simple Biosphere model (SiB4)
Optimizing the carbonic anhydrase temperature response and stomatal conductance of carbonyl sulfide leaf uptake in the simple Biosphere model (SiB4) Ara Cho, Linda M. J. Kooijmans, Kukka-Maaria Kohonen, Richard Wehr, ... Read More
Territorial Differential Meta-Evolution: An Algorithm for Seeking All the Desirable Optima of a Multivariable Function
Territorial Differential Meta-Evolution: An Algorithm for Seeking All the Desirable Optima of a Multivariable Function Richard Wehr, Scott R. Saleska Evolutionary Computation Evolutionary Computation, 1–31 Publication Date: June 30, 2023 ... Read More
Aerodyne hosts the ICAO
Aerodyne hosts the ICAO During the week of 8-12 May 2023, Aerodyne hosted the International Civil Aviation Organization (ICAO) Working Group 3 on emissions. ICAO is part of the United ... Read More
Generalized Kendrick analysis for improved visualization of atmospheric mass spectral data
Generalized Kendrick analysis for improved visualization of atmospheric mass spectral data Mitchell W. Alton, Harald J. Stark, Manjula R. Canagaratna, and Eleanor C. Browne Atmospheric Measurement Techniques Atmos. Meas. Tech., ... Read More
Predicting Real Refractive Index of Organic Aerosols From Elemental Composition
Predicting Real Refractive Index of Organic Aerosols From Elemental Composition Yaowei Li , Bin Bai, John Dykema, Nara Shin, Andrew T. Lambe, Qi Chen, Mikinori Kuwata, Nga Lee Ng, Frank ... Read More
ASU Training Visit
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 ... Read More
Quantification of natural gas and other hydrocarbons from production sitesin northern West Virginia using tracer flux ratio methodology
Quantification of natural gas and other hydrocarbons from production sites in northern West Virginia using tracer flux ratio methodology Conner Daube, Scott C. Herndon, Jordan E. Krechmer, Derek Johnson, Nigel ... Read More
Laboratory evaluation of organic aerosol relative ionization efficiencies in the aerodyne aerosol mass spectrometer and aerosol chemical speciation monitor
Laboratory evaluation of organic aerosol relative ionization efficiencies in the aerodyne aerosol mass spectrometer and aerosol chemical speciation monitor Benjamin A. Nault, Philip Croteau, John Jayne, Anandi Williams, Leah Williams, ... Read More
Aerodyne Sponsors AEESP
Aerodyne Sponsors AEESP Aerodyne Research attended the 2023 AEESP Research and Education Conference in Boston, MA on June 20th during the Career Fair portion of the multi-day program. Northeastern University ... Read More
An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles
An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles Lucía Caudillo, Mihnea Surdu, Brandon Lopez, Mingyi Wang, Markus Thoma, Steffen Bräkling, Angela Buchholz, Mario Simon, ... Read More
Airborne observations over the North Atlantic Ocean reveal the importance of gas-phase urea in the atmosphere
Airborne observations over the North Atlantic Ocean reveal the importance of gas-phase urea in the atmosphere Emily Matthews, Thomas J. Bannana, M. Anwar H. Khan, Dudley E. Shallcross, Harald Stark, ... Read More
NO at low concentration can enhance the formation of highly oxygenated biogenic molecules in the atmosphere
NO at low concentration can enhance the formation of highly oxygenated biogenic molecules in the atmosphere Wei Nie, Chao Yan, Liwen Yang, Pontus Roldin, Yuliang Liu, Alexander L. Vogel, Ugo ... Read More
UC Davis Training Visit
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 ... Read More
Chemical identification of new particle formation and growth precursors through positive matrix factorization of ambient ion measurements
Chemical identification of new particle formation and growth precursors through positive matrix factorization of ambient ion measurements Daniel John Katz, Aroob Abdelhamid, Harald Stark, Manjula R. Canagaratna, Douglas R. Worsnop, ... Read More
Annual CIMS Meeting a Success
Annual CIMS Meeting a Success The Annual CIMS Meeting was hosted this year by Professor Greg Huey at Georgia Institute of Technology in Atlanta, GA. The meeting was attended by researchers from institutions ... Read More
Molecular Characterization of Oxygenated Organic Molecules and Their Dominating Roles in Particle Growth in Hong Kong
Molecular Characterization of Oxygenated Organic Molecules and Their Dominating Roles in Particle Growth in Hong Kong Penggang Zheng, Yi Chen, Zhe Wang, Yuliang Liu, Wei Pu, Chuan Yu, Men Xia, ... Read More
From hotspots to background: High-resolution mapping of ethylene oxide in urban air
From hotspots to background: High-resolution mapping of ethylene oxide in urban air Elisabeth Galarnea, Tara I. Yacovitch , Brian Lerner , Andrew Sheppard, Binh-Toan Quach, Wenxing Kuang, Haryug Rai , ... Read More
Parameterization of size of organic and secondary inorganic aerosol for efficient representation of global aerosol optical properties
Parameterization of size of organic and secondary inorganic aerosol for efficient representation of global aerosol optical properties Haihui Zhu, Randall V. Martin, Betty Croft, Shixian Zhai, Chi Li, Liam Bindle, ... Read More
Glass Transition Temperatures of Organic Mixtures from Isoprene Epoxydiol-Derived Secondary Organic Aerosol
Glass Transition Temperatures of Organic Mixtures from Isoprene Epoxydiol-Derived Secondary Organic Aerosol Bo Chen, Jessica A. Mirrielees, Yuzhi Chen, Timothy B. Onasch, Zhenfa Zhang, Avram Gold, Jason D. Surratt, Yue ... Read More
A scheme for representing aromatic secondary organic aerosols in chemical transport models: application to source attribution of organic aerosols over South Korea during the KORUS-AQ campaign
A scheme for representing aromatic secondary organic aerosols in chemical transport models: application to source attribution of organic aerosols over South Korea during the KORUS-AQ campaign J.F. Brewer, D.J. Jacob, ... Read More
Investigation of Gas-Phase Products from the NO3 Radical Oxidation of Δ-3-Carene
Investigation of Gas-Phase Products from the NO3 Radical Oxidation of Δ‑3-Carene Olivia J. Jenks, Marla P. DeVault, Anna C. Ziola, Melissa A. Morris, Melinda K. Schueneman, Harald Stark, Jose L. ... Read More
The Importance of SBIR Funding
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 ... Read More
Measurement report: Molecular-level investigation of atmospheric cluster ions at the tropical high-altitude research station Chacaltaya (5240ma.s.l.) in the Bolivian AndesMeasurement report: Molecular-level investigation of atmospheric cluster ions at the tropical high-altitude
Measurement report: Molecular-level investigation of atmospheric cluster ions at the tropical high-altitude research station Chacaltaya (5240ma.s.l.) in the Bolivian Andes Qiaozhi Zha, Wei Huang, Diego Aliaga, Otso Peräkylä, Liine Heikkinen, ... Read More
Ethylene oxide monitor with part-per-trillion precision for in situ measurements
Ethylene oxide monitor with part-per-trillion precision for in situ measurements Tara I. Yacovitch, Christoph Dyroff, Joseph R. Roscioli, Conner Daube, J. Barry McManus, and Scott C. Herndon Atmospheric Measurement Techniques ... Read More
Observations of biogenic volatile organic compounds over a mixed temperate forest during the summer to autumn transition
Observations of biogenic volatile organic compounds over a mixed temperate forest during the summer to autumn transition Michael P. Vermeuel, Gordon A. Novak, Delaney B. Kilgour, Megan S. Claflin, Brian ... Read More
Online measurement of highly oxygenated compounds from organic aerosol
Online measurement of highly oxygenated compounds from organic aerosol Ella Häkkinen, Jian Zhao, Frans Graeffe, Nicolas Fauré, Jordan E. Krechmer, Douglas Worsnop, Hilkka Timonen, Mikael Ehn, Juha Kangasluoma Atmospheric Measurement ... Read More
Using tunable infrared laser direct absorption spectroscopy for ambient hydrogen chloride detection: HCl-TILDAS
Using tunable infrared laser direct absorption spectroscopy for ambient hydrogen chloride detection: HCl-TILDAS John W. Halfacre, Jordan Stewart, Scott C. Herndon, Joseph R. Roscioli, Christoph Dyroff, Tara I. Yacovitch, Michael ... Read More
Pyrocumulonimbus affect average stratospheric aerosol composition
Pyrocumulonimbus affect average stratospheric aerosol composition M. Katich, E. C. Apel, I. Bourgeois, C. A. Brock, T. P. Bui, P. Campuzano-Jost, R. Commane, B. Daube, M. Dollner, M. Fromm, K. ... Read More
Measurement report: Emission factors of NH3 and NHx for wildfires and agricultural fires in the United States
Measurement report: Emission factors of NH3 and NHx for wildfires and agricultural fires in the United States Laura Tomsche, Felix Piel,Tomas Mikoviny, Claus J. Nielsen, Hongyu Guo, Pedro Campuzano-Jost, Benjamin ... Read More
Aerodyne scientist joins the POLAR-CHANGE campaign headed to Antarctica
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 ... Read More
Aerodyne at Goldschmidt
Aerodyne at Goldschmidt 2023 Aerodyne Research will attend the Goldschmidt conference in Lyon, France from July 9th – 14th. Be sure to visit us in the exhibition area at Booth ... Read More
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, ... Read More
Nitrogen oxides in the free troposphere: implications for tropospheric oxidants and the interpretation of satellite NO2 measurements
Nitrogen oxides in the free troposphere: implications for tropospheric oxidants and the interpretation of satellite NO2 measurements Viral Shah, Daniel J. Jacob, Ruijun Dang, Lok N. Lamsal, Sarah A. Strode, ... Read More
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 ... Read More
Positive Matrix Factorization of Large Aerosol Mass Spectrometry Datasets Using Error-Weighted Randomized Hierarchical Alternating Least Squares
Positive Matrix Factorization of Large Aerosol Mass Spectrometry Datasets Using Error-Weighted Randomized Hierarchical Alternating Least Squares Benjamin Sapper, Daven Henze, Manjula Canagaratna, and Harald Stark EGUsphere EGUsphere-2022-1221 Publication Date: December ... Read More