Molecular understanding of the suppression of new-particle formation by isoprene

Heinritzi, Martin; Dada, Lubna; Simon, Mario; Stolzenburg, Dominik; Wagner, Andrea C.; Fischer, Lukas; Ahonen, Lauri R.; Amanatidis, Stavros; Baalbaki, Rima; Baccarini, Andrea; Bauer, Paulus S.; Baumgartner, Bernhard; Bianchi, Federico; Brilke, Sophia; Chen, Dexian; Chiu, Randall; Dias, Antonio; Dommen, Josef; Duplissy, Jonathan; Finkenzeller, Henning; Frege, Carla; Fuchs, Claudia; Garmash, Olga; Gordon, Hamish; Granzin, Manuel; El Haddad, Imad; He, Xucheng; Helm, Johanna; Hofbauer, Victoria; Hoyle, Christopher R.; Kangasluoma, Juha; Keber, Timo; Kim, Changhyuk; Kürten, Andreas; Lamkaddam, Houssni; Laurila, Tiia M.; Lampilahti, Janne; Lee, Chuan Ping; Lehtipalo, Katrianne; Leiminger, Markus; Mai, Huajun; Makhmutov, Vladimir; Manninen, Hanna Elina; Marten, Ruby; Mathot, Serge; Mauldin, Roy Lee; Mentler, Bernhard; Molteni, Ugo; Müller, Tatjana; Nie, Wei; Nieminen, Tuomo; Onnela, Antti; Partoll, Eva; Passananti, Monica; Petäjä, Tuukka; Pfeifer, Joschka; Pospisilova, Veronika; Quéléver, Lauriane L. J.; Rissanen, Matti P.; Rose, Clémence; Schobesberger, Siegfried; Scholz, Wiebke; Scholze, Kay; Sipilä, Mikko; Steiner, Gerhard; Stozhkov, Yuri; Tauber, Christian; Tham, Yee Jun; Vazquez-Pufleau, Miguel; Virtanen, Annele; Vogel, Alexander L.; Volkamer, Rainer; Wagner, Robert; Wang, Mingyi; Weitz, Lena; Wimmer, Daniela; Xiao, Mao; Yan, Chao; Ye, Penglin; Zha, Qiaozhi; Zhou, Xueqin; Amorim, Antonio; Baltensperger, Urs; Hansel, Armin; Kulmala, Markku; Tomé, António; Winkler, Paul M.; Worsnop, Douglas R.; Donahue, Neil M.; Kirkby, Jasper; Curtius, Joachim

doi:https://doi.org/10.5194/acp-20-11809-2020

Articles | Volume 20, issue 20

https://doi.org/10.5194/acp-20-11809-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-11809-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 20

Research article

|

20 Oct 2020

Research article |

| 20 Oct 2020

Molecular understanding of the suppression of new-particle formation by isoprene

Martin Heinritzi, Lubna Dada, Mario Simon, Dominik Stolzenburg, Andrea C. Wagner, Lukas Fischer, Lauri R. Ahonen, Stavros Amanatidis, Rima Baalbaki, Andrea Baccarini, Paulus S. Bauer, Bernhard Baumgartner, Federico Bianchi, Sophia Brilke, Dexian Chen, Randall Chiu, Antonio Dias, Josef Dommen, Jonathan Duplissy, Henning Finkenzeller, Carla Frege, Claudia Fuchs, Olga Garmash, Hamish Gordon, Manuel Granzin, Imad El Haddad, Xucheng He, Johanna Helm, Victoria Hofbauer, Christopher R. Hoyle, Juha Kangasluoma, Timo Keber, Changhyuk Kim, Andreas Kürten, Houssni Lamkaddam, Tiia M. Laurila, Janne Lampilahti, Chuan Ping Lee, Katrianne Lehtipalo, Markus Leiminger, Huajun Mai, Vladimir Makhmutov, Hanna Elina Manninen, Ruby Marten, Serge Mathot, Roy Lee Mauldin, Bernhard Mentler, Ugo Molteni, Tatjana Müller, Wei Nie, Tuomo Nieminen, Antti Onnela, Eva Partoll, Monica Passananti, Tuukka Petäjä, Joschka Pfeifer, Veronika Pospisilova, Lauriane L. J. Quéléver, Matti P. Rissanen, Clémence Rose, Siegfried Schobesberger, Wiebke Scholz, Kay Scholze, Mikko Sipilä, Gerhard Steiner, Yuri Stozhkov, Christian Tauber, Yee Jun Tham, Miguel Vazquez-Pufleau, Annele Virtanen, Alexander L. Vogel, Rainer Volkamer, Robert Wagner, Mingyi Wang, Lena Weitz, Daniela Wimmer, Mao Xiao, Chao Yan, Penglin Ye, Qiaozhi Zha, Xueqin Zhou, Antonio Amorim, Urs Baltensperger, Armin Hansel, Markku Kulmala, António Tomé, Paul M. Winkler, Douglas R. Worsnop, Neil M. Donahue, Jasper Kirkby, and Joachim Curtius

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Comment', Anonymous Referee #1, 18 Apr 2020
RC2: 'review of acp-2020-51', Anonymous Referee #2, 18 Apr 2020
AC1: 'Answers to the referees', M. Heinritzi, 08 Jul 2020

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AR: Author's response | RR: Referee report | ED: Editor decision

AR by M. Heinritzi on behalf of the Authors (13 Jul 2020)

ED: Publish as is (14 Aug 2020) by Yafang Cheng

AR by M. Heinritzi on behalf of the Authors (17 Aug 2020)

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With experiments performed at CLOUD, we show how isoprene interferes in monoterpene oxidation via RO₂ termination at atmospherically relevant concentrations. This interference shifts the distribution of highly oxygenated organic molecules (HOMs) away from C₂₀ class dimers towards C₁₅ class dimers, which subsequently reduces both biogenic nucleation and early growth rates. Our results may help to understand the absence of new-particle formation in isoprene-rich environments.