List of works - Mikael Ehn

A chamber study of the influence of boreal BVOC emissions and sulfuric acid on nanoparticle formation rates at ambient concentrations

scholarly article

A high-resolution mass spectrometer to measure atmospheric ion composition

scientific article published in 2010

A large source of low-volatility secondary organic aerosol

scientific article published in February 2014

A novel method for online analysis of gas and particle composition: description and evaluation of a Filter Inlet for Gases and AEROsols (FIGAERO)

article

Aerosol hygroscopicity and CCN activation kinetics in a boreal forest environment during the 2007 EUCAARI campaign

scholarly article

Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview

scholarly article

An Instrumental Comparison of Mobility and Mass Measurements of Atmospheric Small Ions

article

Atmospheric ions and nucleation: a review of observations

scholarly article

Atmospheric new particle formation from sulfuric acid and amines in a Chinese megacity

scientific article published on 19 July 2018

Atmospheric nucleation: highlights of the EUCAARI project and future directions

scholarly article

Atmospheric organic vapors in two European pine forests measured by a Vocus PTR-TOF: insights into monoterpene and sesquiterpene oxidation processes

scientific article published in 2021

Atmospheric sulphuric acid and neutral cluster measurements using CI-APi-TOF

scholarly article

Biogenic and biomass burning organic aerosol in a boreal forest at Hyytiälä, Finland, during HUMPPA-COPEC 2010

scholarly article

CI-Orbitrap: An Analytical Instrument To Study Atmospheric Reactive Organic Species

scientific article published on 08 July 2019

Characterisation of corona-generated ions used in a Neutral cluster and Air Ion Spectrometer (NAIS)

article

Characteristic features of air ions at Mace Head on the west coast of Ireland

Characterization of organic compounds in 10- to 50-nm aerosol particles in boreal forest with laser desorption-ionization aerosol mass spectrometer and comparison with other techniques

article

Chemical Characterization of Gas- and Particle-Phase Products from the Ozonolysis of α-Pinene in the Presence of Dimethylamine

scientific article

Chemistry of atmospheric nucleation: on the recent advances on precursor characterization and atmospheric cluster composition in connection with atmospheric new particle formation

scientific article

Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition ⬇️

scientific article published on 14 March 2017

Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods

scholarly article

Composition and temporal behavior of ambient ions in the boreal forest

scholarly article

Computational Study of Hydrogen Shifts and Ring-Opening Mechanisms in α-Pinene Ozonolysis Products

scientific article

Contribution of sulfuric acid and oxidized organic compounds to particle formation and growth

scholarly article

Correction to “Relationship between aerosol oxidation level and hygroscopic properties of laboratory generated secondary organic aerosol (SOA) particles”

scholarly article published in Geophysical Research Letters

Direct Observations of Atmospheric Aerosol Nucleation

scientific article published in Science

Direct measurement of NO3 radical reactivity in a boreal forest

scholarly article

Diurnal evolution of negative atmospheric ions above the boreal forest: from ground level to the free troposphere

scientific article published in 2022

Does the onset of new particle formation occur in the planetary boundary layer?

Effects of chemical complexity on the autoxidation mechanisms of endocyclic alkene ozonolysis products: from methylcyclohexenes toward understanding α-pinene

scientific article

Eight years of sub-micrometre organic aerosol composition data from the boreal forest characterized using a machine-learning approach

scientific article published in 2021

Elemental composition and clustering behaviour of α-pinene oxidation products for different oxidation conditions

scholarly article published in 2015

Estimating the contribution of organic acids to northern hemispheric continental organic aerosol

article

Evidence for Diverse Biogeochemical Drivers of Boreal Forest New Particle Formation

scholarly article by Michael J. Lawler et al published 20 February 2018 in Geophysical Research Letters

Evolution of Organic Aerosols in the Atmosphere

scientific article published in Science

Evolution of α-pinene oxidation products in the presence of varying oxidizers: Negative APi-TOF point of view

Factors controlling the evaporation of secondary organic aerosol from α-pinene ozonolysis

scientific article

Formation of Highly Oxidized Radicals and Multifunctional Products from the Atmospheric Oxidation of Alkylbenzenes.

scientific article

Formation of highly oxidized multifunctional compounds: autoxidation of peroxy radicals formed in the ozonolysis of alkenes – deduced from structure–product relationships

scholarly article

Gas phase formation of extremely oxidized pinene reaction products in chamber and ambient air

scholarly article

Growth rates during coastal and marine new particle formation in western Ireland

scholarly article

Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals: A Key Contributor to Atmospheric Aerosol

scientific article published on 25 February 2019

How well can we predict cluster fragmentation inside a mass spectrometer?

scientific article published on 03 May 2019

Hydroxyl radical-induced formation of highly oxidized organic compounds.

scientific article published on 02 December 2016

Hygroscopicity and chemical composition of Antarctic sub-micrometre aerosol particles and observations of new particle formation

scholarly article

Impact on short-lived climate forcers increases projected warming due to deforestation. ⬇️

scientific article published on 11 January 2018

In situ submicron organic aerosol characterization at a boreal forest research station during HUMPPA-COPEC 2010 using soft and hard ionization mass spectrometry

scholarly article

Influence of biogenic emissions from boreal forests on aerosol–cloud interactions

scientific article published in 2021

Iodine dioxide nucleation simulations in coastal and remote marine environments

scientific article published in 2009

Isomer-Resolved Mobility-Mass Analysis of α-Pinene Ozonolysis Products

scientific article published on 4 August 2022

Long-term cloud condensation nuclei number concentration, particle number size distribution and chemical composition measurements at regionally representative observatories

scholarly article

Long-term observations of the background aerosol at Cabauw, The Netherlands

scientific article published on 3 January 2018

Long-term volatility measurements of submicron atmospheric aerosol in Hyytiälä, Finland

scholarly article

Measurement–model comparison of stabilized Criegee intermediate and highly oxygenated molecule production in the CLOUD chamber

scholarly article

Measuring composition and growth of ion clusters of sulfuric acid, ammonia, amines and oxidized organics as first steps of nucleation in the CLOUD experiment

article

Modeling the Charging of Highly Oxidized Cyclohexene Ozonolysis Products Using Nitrate-Based Chemical Ionization

scientific article

Modeling the role of highly oxidized multifunctional organic molecules for the growth of new particles over the boreal forest region

scholarly article

Modelling the contribution of biogenic volatile organic compounds to new particle formation in the Jülich plant atmosphere chamber

scholarly article

Molecular understanding of atmospheric particle formation from sulfuric acid and large oxidized organic molecules

scientific article published on 07 October 2013

Multicomponent new particle formation from sulfuric acid, ammonia, and biogenic vapors ⬇️

scientific article published on 12 December 2018

New insights into nocturnal nucleation

scholarly article

Nitrogenated and aliphatic organic vapors as possible drivers for marine secondary organic aerosol growth

article

Observations of Nano-CN in the Nocturnal Boreal Forest

scholarly article by Katrianne Lehtipalo et al published 10 March 2011 in Aerosol Science and Technology

Observations of aminium salts in atmospheric nanoparticles and possible climatic implications

scientific article

On the composition of ammonia–sulfuric-acid ion clusters during aerosol particle formation

scholarly article

Online atmospheric pressure chemical ionization ion trap mass spectrometry (APCI-IT-MSn) for measuring organic acids in concentrated bulk aerosol – a laboratory and field study

Orbitool: a software tool for analyzing online Orbitrap mass spectrometry data

scientific article published on 26 March 2021

Organic aerosol components derived from 25 AMS data sets across Europe using a consistent ME-2 based source apportionment approach

scholarly article

Organic condensation: a vital link connecting aerosol formation to cloud condensation nuclei (CCN) concentrations

scholarly article

Phase partitioning and volatility of secondary organic aerosol components formed from α-pinene ozonolysis and OH oxidation: the importance of accretion products and other low volatility compounds

scholarly article

Primary Formation of Highly Oxidized Multifunctional Products in the OH-Initiated Oxidation of Isoprene: A Combined Theoretical and Experimental Study

scientific article published on 12 October 2018

Production of extremely low volatile organic compounds from biogenic emissions: Measured yields and atmospheric implications

scientific article published on 26 May 2015

Pyruvic acid in the boreal forest: gas-phase mixing ratios and impact on radical chemistry

scientific article published in 2020

Quantification of the volatility of secondary organic compounds in ultrafine particles during nucleation events

scholarly article

Rapid autoxidation forms highly oxidized RO2 radicals in the atmosphere

scientific article published on 29 October 2014

Reactivity of stabilized Criegee intermediates (sCIs) from isoprene and monoterpene ozonolysis toward SO2 and organic acids

scholarly article

Real-Time Detection of Arsenic Cations from Ambient Air in Boreal Forest and Lake Environments

article

Relating the hygroscopic properties of submicron aerosol to both gas- and particle-phase chemical composition in a boreal forest environment

scholarly article

Relationship between aerosol oxidation level and hygroscopic properties of laboratory generated secondary organic aerosol (SOA) particles

article

Resolving anthropogenic aerosol pollution types – deconvolution and exploratory classification of pollution events

scholarly article

Results and recommendations from an intercomparison of six Hygroscopicity-TDMA systems

Role of sulphuric acid, ammonia and galactic cosmic rays in atmospheric aerosol nucleation

scientific article

Seasonal variation of CCN concentrations and aerosol activation properties in boreal forest

scholarly article

Significance of the organic aerosol driven climate feedback in the boreal area

scientific article published in 2021

Size-dependent influence of NOx on the growth rates of organic aerosol particles

scientific article published on 27 May 2020

Sub-3 nm particle size and composition dependent response of a nano-CPC battery

article

Suppression of new particle formation from monoterpene oxidation by NOx

scholarly article

Terpene emissions from boreal wetlands can initiate stronger atmospheric new particle formation than boreal forests

scientific article published in 2022

The effect of H 2 SO 4 – amine clustering on chemical ionization mass spectrometry (CIMS) measurements of gas-phase sulfuric acid

scholarly article

The formation of highly oxidized multifunctional products in the ozonolysis of cyclohexene.

scientific article

The role of highly oxygenated organic molecules in the Boreal aerosol-cloud-climate system

scientific article published on 25 September 2019

The role of ions in new particle formation in the CLOUD chamber ⬇️

scholarly article

Zeppelin-led study on the onset of new particle formation in the planetary boundary layer

scientific article published in 2021

α-Pinene Autoxidation Products May Not Have Extremely Low Saturation Vapor Pressures Despite High O:C Ratios

scientific article published on 6 April 2016

List of works by Mikael Ehn

A chamber study of the influence of boreal BVOC emissions and sulfuric acid on nanoparticle formation rates at ambient concentrations

A high-resolution mass spectrometer to measure atmospheric ion composition

A large source of low-volatility secondary organic aerosol

A novel method for online analysis of gas and particle composition: description and evaluation of a Filter Inlet for Gases and AEROsols (FIGAERO)

Aerosol hygroscopicity and CCN activation kinetics in a boreal forest environment during the 2007 EUCAARI campaign

Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview

An Instrumental Comparison of Mobility and Mass Measurements of Atmospheric Small Ions

Atmospheric ions and nucleation: a review of observations

Atmospheric new particle formation from sulfuric acid and amines in a Chinese megacity

Atmospheric nucleation: highlights of the EUCAARI project and future directions

Atmospheric organic vapors in two European pine forests measured by a Vocus PTR-TOF: insights into monoterpene and sesquiterpene oxidation processes

Atmospheric sulphuric acid and neutral cluster measurements using CI-APi-TOF

Biogenic and biomass burning organic aerosol in a boreal forest at Hyytiälä, Finland, during HUMPPA-COPEC 2010

CI-Orbitrap: An Analytical Instrument To Study Atmospheric Reactive Organic Species

Characterisation of corona-generated ions used in a Neutral cluster and Air Ion Spectrometer (NAIS)

Characteristic features of air ions at Mace Head on the west coast of Ireland

Characterization of organic compounds in 10- to 50-nm aerosol particles in boreal forest with laser desorption-ionization aerosol mass spectrometer and comparison with other techniques

Chemical Characterization of Gas- and Particle-Phase Products from the Ozonolysis of α-Pinene in the Presence of Dimethylamine

Chemistry of atmospheric nucleation: on the recent advances on precursor characterization and atmospheric cluster composition in connection with atmospheric new particle formation

Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition ⬇️

Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods

Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods

Composition and temporal behavior of ambient ions in the boreal forest

Computational Study of Hydrogen Shifts and Ring-Opening Mechanisms in α-Pinene Ozonolysis Products

Contribution of sulfuric acid and oxidized organic compounds to particle formation and growth

Correction to “Relationship between aerosol oxidation level and hygroscopic properties of laboratory generated secondary organic aerosol (SOA) particles”

Direct Observations of Atmospheric Aerosol Nucleation

Direct measurement of NO<sub>3</sub> radical reactivity in a boreal forest

Diurnal evolution of negative atmospheric ions above the boreal forest: from ground level to the free troposphere

Does the onset of new particle formation occur in the planetary boundary layer?

Effects of chemical complexity on the autoxidation mechanisms of endocyclic alkene ozonolysis products: from methylcyclohexenes toward understanding α-pinene

Eight years of sub-micrometre organic aerosol composition data from the boreal forest characterized using a machine-learning approach

Elemental composition and clustering behaviour of α-pinene oxidation products for different oxidation conditions

Estimating the contribution of organic acids to northern hemispheric continental organic aerosol

Evidence for Diverse Biogeochemical Drivers of Boreal Forest New Particle Formation

Evolution of Organic Aerosols in the Atmosphere

Evolution of α-pinene oxidation products in the presence of varying oxidizers: Negative APi-TOF point of view

Factors controlling the evaporation of secondary organic aerosol from α-pinene ozonolysis

Formation of Highly Oxidized Radicals and Multifunctional Products from the Atmospheric Oxidation of Alkylbenzenes.

Formation of highly oxidized multifunctional compounds: autoxidation of peroxy radicals formed in the ozonolysis of alkenes – deduced from structure–product relationships

Gas phase formation of extremely oxidized pinene reaction products in chamber and ambient air

Growth rates during coastal and marine new particle formation in western Ireland

Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals: A Key Contributor to Atmospheric Aerosol

How well can we predict cluster fragmentation inside a mass spectrometer?

Hydroxyl radical-induced formation of highly oxidized organic compounds.

Hygroscopicity and chemical composition of Antarctic sub-micrometre aerosol particles and observations of new particle formation

Impact on short-lived climate forcers increases projected warming due to deforestation. ⬇️

In situ submicron organic aerosol characterization at a boreal forest research station during HUMPPA-COPEC 2010 using soft and hard ionization mass spectrometry

Influence of biogenic emissions from boreal forests on aerosol–cloud interactions

Iodine dioxide nucleation simulations in coastal and remote marine environments

Isomer-Resolved Mobility-Mass Analysis of α-Pinene Ozonolysis Products

Long-term cloud condensation nuclei number concentration, particle number size distribution and chemical composition measurements at regionally representative observatories

Long-term observations of the background aerosol at Cabauw, The Netherlands

Long-term volatility measurements of submicron atmospheric aerosol in Hyytiälä, Finland

Measurement–model comparison of stabilized Criegee intermediate and highly oxygenated molecule production in the CLOUD chamber

Measuring composition and growth of ion clusters of sulfuric acid, ammonia, amines and oxidized organics as first steps of nucleation in the CLOUD experiment

Modeling the Charging of Highly Oxidized Cyclohexene Ozonolysis Products Using Nitrate-Based Chemical Ionization

Modeling the role of highly oxidized multifunctional organic molecules for the growth of new particles over the boreal forest region

Modelling the contribution of biogenic volatile organic compounds to new particle formation in the Jülich plant atmosphere chamber

Molecular understanding of atmospheric particle formation from sulfuric acid and large oxidized organic molecules

Multicomponent new particle formation from sulfuric acid, ammonia, and biogenic vapors ⬇️

New insights into nocturnal nucleation

Nitrogenated and aliphatic organic vapors as possible drivers for marine secondary organic aerosol growth

Observations of Nano-CN in the Nocturnal Boreal Forest

Observations of aminium salts in atmospheric nanoparticles and possible climatic implications

On the composition of ammonia–sulfuric-acid ion clusters during aerosol particle formation

Online atmospheric pressure chemical ionization ion trap mass spectrometry (APCI-IT-MS<sup>n</sup>) for measuring organic acids in concentrated bulk aerosol – a laboratory and field study

Orbitool: a software tool for analyzing online Orbitrap mass spectrometry data

Organic aerosol components derived from 25 AMS data sets across Europe using a consistent ME-2 based source apportionment approach

Organic condensation: a vital link connecting aerosol formation to cloud condensation nuclei (CCN) concentrations

Phase partitioning and volatility of secondary organic aerosol components formed from α-pinene ozonolysis and OH oxidation: the importance of accretion products and other low volatility compounds

Primary Formation of Highly Oxidized Multifunctional Products in the OH-Initiated Oxidation of Isoprene: A Combined Theoretical and Experimental Study

Production of extremely low volatile organic compounds from biogenic emissions: Measured yields and atmospheric implications

Pyruvic acid in the boreal forest: gas-phase mixing ratios and impact on radical chemistry

Quantification of the volatility of secondary organic compounds in ultrafine particles during nucleation events

Rapid autoxidation forms highly oxidized RO2 radicals in the atmosphere

Reactivity of stabilized Criegee intermediates (sCIs) from isoprene and monoterpene ozonolysis toward SO<sub>2</sub> and organic acids

Real-Time Detection of Arsenic Cations from Ambient Air in Boreal Forest and Lake Environments

Relating the hygroscopic properties of submicron aerosol to both gas- and particle-phase chemical composition in a boreal forest environment