Mikael Ehn

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Associate professor

University of Helsinki

Finland

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About

Mikael Ehn is an Associate Professor at the University of Helsinki, Finland. His research focuses on atmospheric chemistry, particularly the formation and behavior of highly oxygenated organic molecules (HOMs) and their role in ozone formation sensitivity and organic aerosol processes. Recent publications include investigations into ozonolysis mechanisms, gas-phase chemistry, and mass spectral analysis of organic compounds.

Recent Grants

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Comprehensive molecular characterization of organic aerosol formation in the atmosphere (COALA)

Open Date: 2015-03-01

Close Date: 2020-02-01

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Collaborators (28)

Otso Peräkylä

University of Helsinki

FINLAND

Mikael Ehn

Research Interests

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About

Recent Grants

Articles (18)

Detailed Investigation of 2,3-Dimethyl-2-butene Ozonolysis-Derived Hydroxyl, Peroxy, and Alkoxy Radical Chemistry

Gas-phase observations of accretion products from stabilized Criegee intermediates in terpene ozonolysis with two dicarboxylic acids

SOA yields from C10 alkanes and oxygenates

An algorithm for automatic fitting and formula assignment in atmospheric mass spectra

On the potential use of highly oxygenated organic molecules (HOMs) as indicators for ozone formation sensitivity

Gas-to-Particle Partitioning of Products from Ozonolysis of Δ3-Carene and the Effect of Temperature and Relative Humidity

Comparison of Gaseous and Particulate Highly Oxygenated Organic Molecules from the Ozonolysis of Terpenes

Evaluating the Applicability of a Real-Time Highly Oxygenated Organic Molecule (HOM)-Based Indicator for Ozone Formation Sensitivity at a Boreal Forest Station

Online measurement of highly oxygenated compounds from organic aerosol

A combined gas- and particle-phase analysis of highly oxygenated organic molecules (HOMs) from alpha-pinene ozonolysis

Unwanted Indoor Air Quality Effects from Using Ultraviolet C Lamps for Disinfection

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

Improving the Sensitivity of Fourier Transform Mass Spectrometer (Orbitrap) for Online Measurements of Atmospheric Vapors

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

Modelling the influence of biotic plant stress on atmospheric aerosol particle processes throughout a growing season

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

Temperature and volatile organic compound concentrations as controlling factors for chemical composition of &lt;i&gt;α&lt;/i&gt;-pinene-derived secondary organic aerosol

Measurement report: Effects of NOx and seed aerosol on highly oxygenated organic molecules (HOMs) from cyclohexene ozonolysis

Collaborators (28)

Otso Peräkylä

Ditte Taipale

Emil Mark Iversen

Nina Sarnela

Pauli Paasonen

Marianne Glasius

Sami Romakkaniemi

Wei Huang

Theo Kurtén

Matti Rissanen

Tuomo Nieminen

Jiangyi Zhang

Frans Graeffe

Meri Räty

Neil McPherson Donahue

Benjamin Normann Frandsen

Cheng Wu

Krista Luoma

Lauri Ahonen

Ditte Thomsen

Lauri Franzon

Merete Bilde

Jian Zhao

Hilkka Timonen

Ella Häkkinen

Federico Bianchi

Juha Kangasluoma

Bernadette Rosati

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Temperature and volatile organic compound concentrations as controlling factors for chemical composition of <i>α</i>-pinene-derived secondary organic aerosol