Formation and growth of sub-3-nm aerosol particles in experimental chambers.


Journal

Nature protocols
ISSN: 1750-2799
Titre abrégé: Nat Protoc
Pays: England
ID NLM: 101284307

Informations de publication

Date de publication:
03 2020
Historique:
received: 01 04 2019
accepted: 27 11 2019
pubmed: 14 2 2020
medline: 22 4 2020
entrez: 14 2 2020
Statut: ppublish

Résumé

Atmospheric new particle formation (NPF), which is observed in many environments globally, is an important source of boundary-layer aerosol particles and cloud condensation nuclei, which affect both the climate and human health. To better understand the mechanisms behind NPF, chamber experiments can be used to simulate this phenomenon under well-controlled conditions. Recent advancements in instrumentation have made it possible to directly detect the first steps of NPF of molecular clusters (~1-2 nm in diameter) and to calculate quantities such as the formation and growth rates of these clusters. Whereas previous studies reported particle formation rates as the flux of particles across a specified particle diameter or calculated them from measurements of larger particle sizes, this protocol outlines methods to directly quantify particle dynamics for cluster sizes. Here, we describe the instrumentation and analysis methods needed to quantify particle dynamics during NPF of sub-3-nm aerosol particles in chamber experiments. The methods described in this protocol can be used to make results from different chamber experiments comparable. The experimental setup, collection and post-processing of the data, and thus completion of this protocol, take from months up to years, depending on the chamber facility, experimental plan and level of expertise. Use of this protocol requires engineering capabilities and expertise in data analysis.

Identifiants

pubmed: 32051616
doi: 10.1038/s41596-019-0274-z
pii: 10.1038/s41596-019-0274-z
doi:

Substances chimiques

Aerosols 0
Particulate Matter 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

1013-1040

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Auteurs

Lubna Dada (L)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.

Katrianne Lehtipalo (K)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland.

Jenni Kontkanen (J)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.

Tuomo Nieminen (T)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.

Rima Baalbaki (R)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.

Lauri Ahonen (L)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.

Jonathan Duplissy (J)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.
Helsinki Institute of Physics, University of Helsinki, Helsinki, Finland.

Chao Yan (C)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, China.

Biwu Chu (B)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.

Tuukka Petäjä (T)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.
Joint International Research Laboratory of Atmospheric and Earth System Sciences, Nanjing University, Nanjing, China.

Kari Lehtinen (K)

Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.
Atmospheric Research Centre of Eastern Finland, Finnish Meteorological Institute, Kuopio, Finland.

Veli-Matti Kerminen (VM)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland.

Markku Kulmala (M)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland. markku.kulmala@helsinki.fi.
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, China. markku.kulmala@helsinki.fi.

Juha Kangasluoma (J)

Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland. juha.kangasluoma@helsinki.fi.
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, China. juha.kangasluoma@helsinki.fi.

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