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    Academic Journals

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• Fragment ion-functional group relationships in organic aerosols using aerosol mass spectrometry and mid-infrared spectroscopy.

  Authors:Amir Yazdani, Nikunj Dudani, Satoshi Takahama, Amelie Bertrand, André S. H. Prévôt, Imad El Haddad, et al.From:Atmospheric Measurement Techniques (Vol. 15, Issue 9) Peer-Reviewed

  May 9, 2022318 words Brief article Aerosol mass spectrometry (AMS) and mid-infrared spectroscopy (MIR) are two analytical methods for characterizing the chemical composition of organic matter (OM). While AMS provides high-temporal-resolution bulk...

• Modelling the gas-particle partitioning and water uptake of isoprene-derived secondary organic aerosol at high and low relative humidity.

  Authors:Dalrin Ampritta Amaladhasan, Claudia Heyn, Christopher R. Hoyle, Imad El Haddad, Miriam Elser, Simone M. Pieber, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 1) Peer-Reviewed

  Jan. 7, 2022555 words Article This study presents a characterization of the hygroscopic growth behaviour and effects of different inorganic seed particles on the formation of secondary organic aerosols (SOAs) from the dark ozone-initiated oxidation...

• Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature.

  Authors:Lucía Caudillo, Birte Rörup, Martin Heinritzi, Guillaume Marie, Mario Simon, Andrea C. Wagner, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 22) Peer-Reviewed

  Nov. 25, 2021355 words Brief article Biogenic organic precursors play an important role in atmospheric new particle formation (NPF). One of the major precursor species is α-pinene, which upon oxidation can form a suite of products covering a wide range of...

• Constraining the response factors of an extractive electrospray ionization mass spectrometer for near-molecular aerosol speciation.

  Authors:Dongyu S. Wang, Chuan Ping Lee, Jordan E. Krechmer, Francesca Majluf, Yandong Tong, Manjula R. Canagaratna, et al.From:Atmospheric Measurement Techniques (Vol. 14, Issue 11) Peer-Reviewed

  Nov. 4, 2021426 words Article Online characterization of aerosol composition at the near-molecular level is key to understanding chemical reaction mechanisms, kinetics, and sources under various atmospheric conditions. The recently developed...

• Time-dependent source apportionment of submicron organic aerosol for a rural site in an alpine valley using a rolling positive matrix factorisation (PMF) window.

  Authors:Gang Chen, Yulia Sosedova, Francesco Canonaco, Roman Fröhlich, Anna Tobler, Athanasia Vlachou, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 19) Peer-Reviewed

  Oct. 11, 2021617 words Report, Author abstr... We collected 1 year of aerosol chemical speciation monitor (ACSM) data in Magadino, a village located in the south of the Swiss Alpine region, one of Switzerland's most polluted areas. We analysed the mass spectra of...

• Photolytically induced changes in composition and volatility of biogenic secondary organic aerosol from nitrate radical oxidation during night-to-day transition.

  Authors:Cheng Wu, David M. Bell, Emelie L. Graham, Sophie Haslett, Ilona Riipinen, Urs Baltensperger, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 19) Peer-Reviewed

  Oct. 7, 2021459 words Article Night-time reactions of biogenic volatile organic compounds (BVOCs) and nitrate radicals (NO.sub.3) can lead to the formation of NO.sub.3 -initiated biogenic secondary organic aerosol (BSOANO3). Here, we study the...

• The driving factors of new particle formation and growth in the polluted boundary layer.

  Authors:Mao Xiao, Christopher R. Hoyle, Lubna Dada, Dominik Stolzenburg, Andreas Kürten, Mingyi Wang, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 18) Peer-Reviewed

  Sept. 27, 2021237 words Brief article New particle formation (NPF) is a significant source of atmospheric particles, affecting climate and air quality. Understanding the mechanisms involved in urban aerosols is important to develop effective mitigation...

• Effects of aerosol size and coating thickness on the molecular detection using extractive electrospray ionization.

  Authors:Chuan Ping Lee, Mihnea Surdu, David M. Bell, Houssni Lamkaddam, Mingyi Wang, Farnoush Ataei, et al.From:Atmospheric Measurement Techniques (Vol. 14, Issue 9) Peer-Reviewed

  Sept. 2, 2021361 words Brief article Extractive electrospray ionization (EESI) has been a well-known technique for high-throughput online molecular characterization of chemical reaction products and intermediates, detection of native biomolecules, in vivo...

• Source-specific light absorption by carbonaceous components in the complex aerosol matrix from yearly filter-based measurements.

  Authors:Vaios Moschos, Martin Gysel-Beer, Robin L. Modini, Joel C. Corbin, Dario Massabò, Camilla Costa, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 17) Peer-Reviewed

  Aug. 31, 2021525 words Article Understanding the sources of light-absorbing organic (brown) carbon (BrC) and its interaction with black carbon (BC) and other non-refractory particulate matter (NR-PM) fractions is important for reducing uncertainties...

• Formation of highly oxygenated organic molecules from aromatic compounds

  Authors:Ugo Molteni, Federico Bianchi, Felix Klein, Imad El Haddad, Carla Frege, Michel J. Rossi, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 3) Peer-Reviewed

  Feb. 9, 201852 words Brief article, Repor... Byline: Ugo Molteni, Federico Bianchi, Felix Klein, Imad El Haddad, Carla Frege, Michel J. Rossi, Josef Dommen, Urs Baltensperger To access, purchase, authenticate, or subscribe to the full-text of this article,...

• Urban increments of gaseous and aerosol pollutants and their sources using mobile aerosol mass spectrometry measurements

  Authors:Miriam Elser, Carlo Bozzetti, Imad El-Haddad, Marek Maasikmets, Erik Teinemaa, Rene Richter, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 11) Peer-Reviewed

  June 10, 2016463 words Brief article Air pollution is one of the main environmental concerns in urban areas, where anthropogenic emissions strongly affect air quality. This work presents the first spatially resolved detailed characterization of PM.sub.2.5...

• Development of a versatile source apportionment analysis based on positive matrix factorization: a case study of the seasonal variation of organic aerosol sources in Estonia

  Authors:Athanasia Vlachou, Anna Tobler, Houssni Lamkaddam, Francesco Canonaco, Kaspar R. Daellenbach, Jean-Luc Jaffrezo, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 11) Peer-Reviewed

  June 3, 2019425 words Author abstract, Bri...

  Bootstrap analysis is commonly used to capture the uncertainties of a bilinear receptor model such as the positive matrix factorization (PMF) model. This approach can estimate the factor-related uncertainties and...

• Contributions of residential coal combustion to the air quality in Beijing-Tianjin-Hebei (BTH), China: a case study

  Authors:Xia Li, Jiarui Wu, Miriam Elser, Tian Feng, Junji Cao, Imad El-Haddad, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 14) Peer-Reviewed

  July 26, 2018305 words Author abstract, Bri...

  In the present study, the WRF-Chem model is used to assess contributions of residential coal combustion (RCC) emissions to the air quality in Beijing-Tianjin-Hebei (BTH) during a persistent air pollution episode from...

• Influence of temperature on the molecular composition of ions and charged clusters during pure biogenic nucleation

  Authors:Carla Frege, Ismael K. Ortega, Matti P. Rissanen, Arnaud P. Praplan, Gerhard Steiner, Martin Heinritzi, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 1) Peer-Reviewed

  Jan. 4, 2018273 words Author abstract, Bri...

  It was recently shown by the CERN CLOUD experiment that biogenic highly oxygenated molecules (HOMs) form particles under atmospheric conditions in the absence of sulfuric acid, where ions enhance the nucleation rate...

• Argon offline-AMS source apportionment of organic aerosol over yearly cycles for an urban, rural, and marine site in northern Europe

  Authors:Carlo Bozzetti, Yuliya Sosedova, Mao Xiao, Kaspar R. Daellenbach, Vidmantas Ulevicius, Vadimas Dudoitis, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 1) Peer-Reviewed

  Jan. 3, 2017387 words Author abstract, Bri... The widespread use of Aerodyne aerosol mass spectrometers (AMS) has greatly improved real-time organic aerosol (OA) monitoring, providing mass spectra that contain sufficient information for source apportionment....

• Production of particulate brown carbon during atmospheric aging of residential wood-burning emissions

  Authors:Nivedita K. Kumar, Joel C. Corbin, Emily A. Bruns, Dario Massabo, Jay G. Slowik, Luka Drinovec, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 24) Peer-Reviewed

  Dec. 14, 2018267 words Author abstract, Bri...

  We investigate the optical properties of light-absorbing organic carbon (brown carbon) from domestic wood combustion as a function of simulated atmospheric aging. At shorter wavelengths (370-470 nm), light...

• Contributions of residential coal combustion to the air quality in Beijing-Tianjin-Hebei (BTH), China: a case study

  Authors:Xia Li, Jiarui Wu, Miriam Elser, Tian Feng, Junji Cao, Imad El-Haddad, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 14) Peer-Reviewed

  July 26, 2018305 words Brief article, Case ...

  In the present study, the WRF-Chem model is used to assess contributions of residential coal combustion (RCC) emissions to the air quality in Beijing-Tianjin-Hebei (BTH) during a persistent air pollution episode from...

• Insights into organic-aerosol sources via a novel laser-desorption/ionization mass spectrometry technique applied to one year of PM.sub.10 samples from nine sites in central Europe

  Authors:Kaspar R. Daellenbach, Imad El-Haddad, Lassi Karvonen, Athanasia Vlachou, Joel C. Corbin, Jay G. Slowik, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 3) Peer-Reviewed

  Feb. 14, 201878 words Author abstract, Bri... Byline: Kaspar R. Daellenbach, Imad El-Haddad, Lassi Karvonen, Athanasia Vlachou, Joel C. Corbin, Jay G. Slowik, Maarten F. Heringa, Emily A. Bruns, Samuel M. Luedin, Jean-Luc Jaffrezo, Sö,nke Szidat, Andrea...

• Particle-bound reactive oxygen species (PB-ROS) emissions and formation pathways in residential wood smoke under different combustion and aging conditions

  Authors:Jun Zhou, Peter Zotter, Emily A. Bruns, Giulia Stefenelli, Deepika Bhattu, Samuel Brown, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 10) Peer-Reviewed

  May 18, 2018467 words Brief article, Repor... Wood combustion emissions can induce oxidative stress in the human respiratory tract by reactive oxygen species (ROS) in the aerosol particles, which are emitted either directly or formed through oxidation in the...

• Influence of the vapor wall loss on the degradation rate constants in chamber experiments of levoglucosan and other biomass burning markers

  Authors:Amelie Bertrand, Giulia Stefenelli, Simone M. Pieber, Emily A. Bruns, Brice Temime-Roussel, Jay G. Slowik, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 15) Peer-Reviewed

  Aug. 3, 2018348 words Brief article, Repor...

  Vapor wall loss has only recently been shown a potentially significant bias in atmospheric chamber studies. Yet, previous works aiming at the determination of the degradation rate of semi-volatile organic compounds...