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Cited by 398

The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.

Isoprene Epoxydiols as Precursors to Secondary Organic Aerosol Formation: Acid-Catalyzed Reactive Uptake Studies with Authentic Compounds

Open access
Lin, Ying-Hsuan, Zhang, Zhenfa, Docherty, Kenneth S., Zhang, Haofei, Budisulistiorini, Sri Hapsari, Rubitschun, Caitlin L., Shaw, Stephanie L., Knipping, Eladio M., Edgerton, Eric S., Kleindienst, Tadeusz E., Gold, Avram, Surratt, Jason D.·2012·Environmental Science & Technology

Abstract

Isoprene epoxydiols (IEPOX), formed from the photooxidation of isoprene under low-NO(x) conditions, have recently been proposed as precursors of secondary organic aerosol (SOA) on the basis of mass spectrometric evidence. In the present study, IEPOX isomers were synthesized in high purity (>99%) to investigate their potential to form SOA via reactive uptake in a series of controlled dark chamber studies followed by reaction product analyses. IEPOX-derived SOA was substantially observed only in the presence of acidic aerosols, with conservative lower-bound yields of 4.7-6.4% for β-IEPOX and 3.4-5.5% for δ-IEPOX, providing direct evidence for IEPOX isomers as precursors to isoprene SOA. These chamber studies demonstrate that IEPOX uptake explains the formation of known isoprene SOA tracers found in ambient aerosols, including 2-methyltetrols, C(5)-alkene triols, dimers, and IEPOX-derived organosulfates. Additionally, we show reactive uptake on the acidified sulfate aerosols supports a previously unreported acid-catalyzed intramolecular rearrangement of IEPOX to cis- and trans-3-methyltetrahydrofuran-3,4-diols (3-MeTHF-3,4-diols) in the particle phase. Analysis of these novel tracer compounds by aerosol mass spectrometry (AMS) suggests that they contribute to a unique factor resolved from positive matrix factorization (PMF) of AMS organic aerosol spectra collected from low-NO(x), isoprene-dominated regions influenced by the presence of acidic aerosols.

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Crossref · 10.1021/es202554c

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Metadata

Authors
Lin, Y.-H., Zhang, Z., Docherty, K. S., Zhang, H., Budisulistiorini, S. H., Rubitschun, C. L., Shaw, S. L., Knipping, E. M., Edgerton, E. S., Kleindienst, T. E., Gold, A., & Surratt, J. D.
Venue
Environmental Science & Technology
Published
2011-12-13
Volume
46
Issue
1
Pages
250-258
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2048640559
Cited by
398
References
18
FWCI
13.91
Type
journal article
Language
en
Open access
green

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