Articles | Volume 14, issue 23
https://doi.org/10.5194/acp-14-12951-2014
https://doi.org/10.5194/acp-14-12951-2014
Research article
 | 
08 Dec 2014
Research article |  | 08 Dec 2014

Mechanistic study of secondary organic aerosol components formed from nucleophilic addition reactions of methacrylic acid epoxide

A. W. Birdsall, C. R. Miner, L. E. Mael, and M. J. Elrod

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Subject: Aerosols | Research Activity: Laboratory Studies | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Birdsall, A. W., Zentner, C. A., and Elrod, M. J.: Study of the kinetics and equilibria of the oligomerization reactions of 2-methylglyceric acid, Atmos. Chem. Phys., 13, 3097–3109, https://doi.org/10.5194/acp-13-3097-2013, 2013.
Braun, S, Kalinowski, H.-O., and Berger, S.: 200 and more NMR experiments, Wiley-VCH, Weinheim, 1998.
Carlton, A. G., Wiedinmyer, C., and Kroll, J. H.: A review of secondary organic aerosol (SOA) formation from isoprene, Atmos. Chem. Phys., 9, 4987–5005, https://doi.org/10.5194/acp-9-4987-2009, 2009.
Chan, A. W. H., Chan, M. N., Surratt, J. D., Chhabra, P. S., Loza, C. L., Crounse, J. D., Yee, L. D., Flagan, R. C., Wennberg, P. O., and Seinfeld, J. H.: Role of aldehyde chemistry and NOx concentrations in secondary organic aerosol formation, Atmos. Chem. Phys., 10, 7169–7188, https://doi.org/10.5194/acp-10-7169-2010, 2010.
Chan, M. N., Surratt, J. D., Claeys, M., Edgerton, E. S., Tanner, R. L., Shaw, S. L., Zheng, M., Knipping, E. M., Eddingsaas, N. C., Wennberg, P. O., and Seinfeld, J. H.: Characterization and quantification of isoprene-derived epoxydiols in ambient aerosol in the southeastern United States, Environ. Sci. Technol., 44, 4590–4596, 2010.
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Short summary
We investigated how an important naturally emitted chemical, isoprene, can contribute to the formation of aerosol particles, which are a key component of air pollution that can also influence climate. Specifically, we found that a particular relative of isoprene, methacrylic acid epoxide, is capable of transforming into a number of different chemical components via reaction on existing aerosol particles. These results will help to make isoprene air quality model predictions more accurate.
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