Articles | Volume 17, issue 19
Atmos. Chem. Phys., 17, 11819–11833, 2017
https://doi.org/10.5194/acp-17-11819-2017
Atmos. Chem. Phys., 17, 11819–11833, 2017
https://doi.org/10.5194/acp-17-11819-2017

Research article 06 Oct 2017

Research article | 06 Oct 2017

Light-induced protein nitration and degradation with HONO emission

Hannah Meusel et al.

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Latest update: 20 Sep 2021
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Short summary
In this study we investigated protein nitration and decomposition by light in the presence of NO2 via flow tube measurements. Nitrated proteins have an enhanced allergenic potential but so far nitration was only studied in dark conditions. Under irradiated conditions we found that proteins predominantly decompose while forming nitrous acid (HONO) an important precursor of the OH radical. Unlike other studies on heterogeneous NO2 conversion we found a stable HONO formation over a long period.
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