Articles | Volume 22, issue 1
Atmos. Chem. Phys., 22, 465–479, 2022
https://doi.org/10.5194/acp-22-465-2022
Atmos. Chem. Phys., 22, 465–479, 2022
https://doi.org/10.5194/acp-22-465-2022
Measurement report
13 Jan 2022
Measurement report | 13 Jan 2022

Measurement report: Particle-size-dependent fluorescence properties of water-soluble organic compounds (WSOCs) and their atmospheric implications for the aging of WSOCs

Juanjuan Qin et al.

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Cited articles

Almeida, A. S., Ferreira, R. M. P., Silva, A. M. S., Duarte, A. C., Neves, B. M., and Duarte, R.: Structural features and pro-inflammatory effects of water-soluble organic matter in inhalable fine urban air particles, Environ. Sci. Technol., 54, 1082–1091, https://doi.org/10.1021/acs.est.9b04596, 2020. 
Andrade-Eiroa, Á., Canle, M., and Cerdá, V.: Environmental applications of excitation-emission spectrofluorimetry: An in-depth review I, Appl. Spectrosc. Rev., 48, 1–49, https://doi.org/10.1080/05704928.2012.692104, 2013. 
Asa-Awuku, A., Engelhart, G. J., Lee, B. H., Pandis, S. N., and Nenes, A.: Relating CCN activity, volatility, and droplet growth kinetics of β-caryophyllene secondary organic aerosol, Atmos. Chem. Phys., 9, 795–812, https://doi.org/10.5194/acp-9-795-2009, 2009. 
Bahram, M., Bro, R., Stedmon, C., and Afkhami, A.: Handling of Rayleigh and Raman scatter for PARAFAC modeling of fluorescence data using interpolation, J. Chemometr., 20, 99–105, https://doi.org/10.1002/cem.978, 2006. 
Berberan-Santos, M. N. and Valeur, B.: Molecular fluorescence: Principles and Applications, second edn., Wiley-VCH, Germany, https://doi.org/10.1002/9783527650002.index, 2012. 
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Water-soluble organic compounds (WSOCs) play important roles in atmospheric particle formation, migration, and transformation processes. In this work, size-segregated atmospheric particles were collected in a rural area of Beijing, and 3D fluorescence spectroscopy was used to investigate the optical properties of WSOCs as a means of inferring information about their atmospheric sources. It was found that these data could efficiently reveal the secondary transformation processes of WSOCs.
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