Allan, M. and Richardson, G. M.: Probability Density Functions Describing 24-Hour Inhalation Rates For Use in Human Health Risk Assessments, Hum. Ecol. Risk Assess. Int. J., 4, 379–408, https://doi.org/10.1080/10807039891284389, 1998.
Alton, M. W. and Browne, E. C.: Atmospheric Chemistry of Volatile Methyl Siloxanes: Kinetics and Products of Oxidation by OH Radicals and Cl Atoms, Environ. Sci. Technol., 54, 5992–5999, https://doi.org/10.1021/acs.est.0c01368, 2020.
Ananthapadmanabhan, K. P., Goddard, E. D., and Chandar, P.: A study of the solution, interfacial and wetting properties of silicone surfactants, Colloids Surf., 44, 281–297, https://doi.org/10.1016/0166-6622(90)80202-F, 1990.
Brunet, C. E., Marek, R. F., Stanier, C. O., and Hornbuckle, K. C.: Concentrations of Volatile Methyl Siloxanes in New York City Reflect Emissions from Personal Care and Industrial Use, Environ. Sci. Technol., 58, 8835–8845, https://doi.org/10.1021/acs.est.3c10752, 2024.
Bzdek, B. R., Horan, A. J., Pennington, M. R., Janechek, N. J., Baek, J., Stanier, C. O., and Johnston, M. V.: Silicon is a Frequent Component of Atmospheric Nanoparticles, Environ. Sci. Technol., 48, 11137–11145, https://doi.org/10.1021/es5026933, 2014.
Camino, G., Lomakin, S. M., and Lazzari, M.: Polydimethylsiloxane thermal degradation Part 1. Kinetic aspects, Polymer (Guildf.), 42, 2395–2402, https://doi.org/10.1016/S0032-3861(00)00652-2, 2001.
Claight Corporation: Silicones and siloxanes market size, share and outlook – growth analysis report and forecast trends (2026–2035), https://www.expertmarketresearch.com/reports/silicones-and-siloxanes-market, last access: 17 February 2026.
Coggon, M. M., McDonald, B. C., Vlasenko, A., Veres, P. R., Bernard, F., Koss, A. R., Yuan, B., Gilman, J. B., Peischl, J., Aikin, K. C., DuRant, J., Warneke, C., Li, S.-M., and de Gouw, J. A.: Diurnal Variability and Emission Pattern of Decamethylcyclopentasiloxane (D5) from the Application of Personal Care Products in Two North American Cities, Environ. Sci. Technol., 52, 5610–5618, https://doi.org/10.1021/acs.est.8b00506, 2018.
Decker, Z. C. J., Alpert, P. A., Ammann, M., Anet, J. G., Bauer, M., Cui, T., Durdina, L., Edebeli, J., Gysel-Beer, M., Prévôt, A. S. H., Qi, L., Slowik, J. G., Spirig, C., Tinorua, S., Ungeheuer, F., Vogel, A., Zhang, J., and Brem, B. T.: Emission and Formation of Aircraft Engine Oil Ultrafine Particles, ACS ES&T Air, 12, 1662–1672, https://doi.org/10.1021/acsestair.4c00184, 2024.
Dusek, U., Hitzenberger, R., Kasper-Giebl, A., Kistler, M., Meijer, H. A. J., Szidat, S., Wacker, L., Holzinger, R., and Röckmann, T.: Sources and formation mechanisms of carbonaceous aerosol at a regional background site in the Netherlands: insights from a year-long radiocarbon study, Atmos. Chem. Phys., 17, 3233–3251, https://doi.org/10.5194/acp-17-3233-2017, 2017.
Eichler, P., Müller, M., Rohmann, C., Stengel, B., Orasche, J., Zimmermann, R., and Wisthaler, A.: Lubricating Oil as a Major Constituent of Ship Exhaust Particles, Environ. Sci. Technol. Lett., 4, 54–58, https://doi.org/10.1021/acs.estlett.6b00488, 2017.
El-Hamouz, A.: Effect of Surfactant Concentration and Operating Temperature on the Drop Size Distribution of Silicon Oil Water Dispersion, J. Dispers. Sci. Technol., 28, 797–804, https://doi.org/10.1080/01932690701345893, 2007.
European Chemicals Agency (ECHA): Candidate List of Substances of Very High Concern for Authorisation, https://echa.europa.eu/candidate-list-table (last access: 8 March 2026), 2024.
Evich, M. G., Davis, M. J. B., McCord, J. P., Acrey, B., Awkerman, J. A., Knappe, D. R. U., Lindstrom, A. B., Speth, T. F., Tebes-Stevens, C., Strynar, M. J., Wang, Z., Weber, E. J., Henderson, W. M., and Washington, J. W.: Per- and polyfluoroalkyl substances in the environment, Science, 375, https://doi.org/10.1126/science.abg9065, 2022.
Faust, J. A.: PFAS on atmospheric aerosol particles: a review, Environ. Sci. Process. Imp., 25, 133–150, https://doi.org/10.1039/D2EM00002D, 2023.
Franzen, A., Van Landingham, C., Greene, T., Plotzke, K., and Gentry, R.: A global human health risk assessment for Decamethylcyclopentasiloxane (D5), Regul. Toxicol. Pharmacol., 74, S25–S43, https://doi.org/10.1016/j.yrtph.2015.10.023, 2016.
Franzen, A., Greene, T., Van Landingham, C., and Gentry, R.: Toxicology of octamethylcyclotetrasiloxane (D4), Toxicol. Lett., 279, 2–22, https://doi.org/10.1016/j.toxlet.2017.06.007, 2017.
Gaines, G. L.: Surface tension of polymer solutions. I. Solutions of poly(dimethylsiloxanes), J. Phys. Chem., 73, 3143–3150, https://doi.org/10.1021/j100843a060, 1969.
Gentry, R., Franzen, A., Van Landingham, C., Greene, T., and Plotzke, K.: A global human health risk assessment for octamethylcyclotetrasiloxane (D4), Toxicol. Lett., 279, 23–41, https://doi.org/10.1016/j.toxlet.2017.05.019, 2017.
Genualdi, S., Harner, T., Cheng, Y., MacLeod, M., Hansen, K. M., van Egmond, R., Shoeib, M., and Lee, S. C.: Global Distribution of Linear and Cyclic Volatile Methyl Siloxanes in Air, Environ. Sci. Technol., 45, 3349–3354, https://doi.org/10.1021/es200301j, 2011.
Glüge, J., Scheringer, M., Cousins, I. T., DeWitt, J. C., Goldenman, G., Herzke, D., Lohmann, R., Ng, C. A., Trier, X., and Wang, Z.: An overview of the uses of per- and polyfluoroalkyl substances (PFAS), Environ. Sci. Process. Imp., 22, 2345–2373, https://doi.org/10.1039/D0EM00291G, 2020.
Goebel, A. and Lunkenheimer, K.: Interfacial Tension of the Water/ n -Alkane Interface, Langmuir, 13, 369–372, https://doi.org/10.1021/la960800g, 1997.
Han, C., Yang, H., Li, K., Lee, P., Liggio, J., Leithead, A., and Li, S.-M.: Secondary organic aerosols from OH oxidation of cyclic volatile methyl siloxanes as an important Si source in the atmosphere, Atmos. Chem. Phys., 22, 10827–10839, https://doi.org/10.5194/acp-22-10827-2022, 2022.
Harkins, W. D.: The physical chemistry of surface films, Reinhold, https://cir.nii.ac.jp/crid/1971430859792846500 (last access: 17 February 2026), 1952.
Holzinger, R.: PTRwid: A new widget tool for processing PTR-TOF-MS data, Atmos. Meas. Tech., 8, 3903–3922, https://doi.org/10.5194/amt-8-3903-2015, 2015.
Holzinger, R., Williams, J., Herrmann, F., Lelieveld, J., Donahue, N. M., and Röckmann, T.: Aerosol analysis using a Thermal-Desorption Proton-Transfer-Reaction Mass Spectrometer (TD-PTR-MS): a new approach to study processing of organic aerosols, Atmos. Chem. Phys., 10, 2257–2267, https://doi.org/10.5194/acp-10-2257-2010, 2010a.
Holzinger, R., Kasper-Giebl, A., Staudinger, M., Schauer, G., and Röckmann, T.: Analysis of the chemical composition of organic aerosol at the Mt. Sonnblick observatory using a novel high mass resolution thermal-desorption proton-transfer-reaction mass-spectrometer (hr-TD-PTR-MS), Atmos. Chem. Phys., 10, 10111–10128, https://doi.org/10.5194/acp-10-10111-2010, 2010b.
Holzinger, R., Acton, W. J. F., Bloss, W. J., Breitenlechner, M., Crilley, L. R., Dusanter, S., Gonin, M., Gros, V., Keutsch, F. N., Kiendler-Scharr, A., Kramer, L. J., Krechmer, J. E., Languille, B., Locoge, N., Lopez-Hilfiker, F., Materić, D., Moreno, S., Nemitz, E., Quéléver, L. L. J., Sarda Esteve, R., Sauvage, S., Schallhart, S., Sommariva, R., Tillmann, R., Wedel, S., Worton, D. R., Xu, K., and Zaytsev, A.: Validity and limitations of simple reaction kinetics to calculate concentrations of organic compounds from ion counts in PTR-MS, Atmos. Meas. Tech., 12, 6193–6208, https://doi.org/10.5194/amt-12-6193-2019, 2019.
Jambeck, J. R., Geyer, R., Wilcox, C., Siegler, T. R., Perryman, M., Andrady, A., Narayan, R., and Law, K. L.: Plastic waste inputs from land into the ocean, Science, 347, 768–771, https://doi.org/10.1126/science.1260352, 2015.
Janechek, N. J., Marek, R. F., Bryngelson, N., Singh, A., Bullard, R. L., Brune, W. H., and Stanier, C. O.: Physical properties of secondary photochemical aerosol from OH oxidation of a cyclic siloxane, Atmos. Chem. Phys., 19, 1649–1664, https://doi.org/10.5194/acp-19-1649-2019, 2019.
Kanellopoulos, A. G. and Owen, M. J.: Adsorption of sodium dodecyl sulphate at the silicone fluid/water interface, Trans. Faraday Soc., 67, 3127, https://doi.org/10.1039/tf9716703127, 1971.
Liu, X., Henzing, B., Hensen, A., Mulder, J., Yao, P., van Dinther, D., van Bronckhorst, J., Huang, R., and Dusek, U.: Measurement report: Evaluation of the TOF-ACSM-CV for PM1.0 and PM2.5 measurements during the RITA-2021 field campaign, Atmos. Chem. Phys., 24, 3405–3420, https://doi.org/10.5194/acp-24-3405-2024, 2024.
Masalaite, A., Holzinger, R., Remeikis, V., Röckmann, T., and Dusek, U.: Characteristics, sources and evolution of fine aerosol (PM1) at urban, coastal and forest background sites in Lithuania, Atmos. Environ., 148, 62–76, https://doi.org/10.1016/j.atmosenv.2016.10.038, 2017.
Masalaite, A., Holzinger, R., Ceburnis, D., Remeikis, V., Ulevičius, V., Röckmann, T., and Dusek, U.: Sources and atmospheric processing of size segregated aerosol particles revealed by stable carbon isotope ratios and chemical speciation, Environ. Pollut., 240, 286–296, https://doi.org/10.1016/j.envpol.2018.04.073, 2018.
Materić, D., Peacock, M., Kent, M., Cook, S., Gauci, V., Röckmann, T., and Holzinger, R.: Characterisation of the semi-volatile component of Dissolved Organic Matter by Thermal Desorption – Proton Transfer Reaction – Mass Spectrometry, Sci. Rep., 7, 15936, https://doi.org/10.1038/s41598-017-16256-x, 2017.
Mohamed Nor, N. H., Kooi, M., Diepens, N. J., and Koelmans, A. A.: Lifetime Accumulation of Microplastic in Children and Adults, Environ. Sci. Technol., 55, 5084–5096, https://doi.org/10.1021/acs.est.0c07384, 2021.
Nowak, E., Kovalchuk, N. M., Che, Z., and Simmons, M. J. H.: Effect of surfactant concentration and viscosity of outer phase during the coalescence of a surfactant-laden drop with a surfactant-free drop, Colloids Surf. A, 505, 124–131, https://doi.org/10.1016/j.colsurfa.2016.02.016, 2016.
Oyama, B. S., Andrade, M. D. F., Herckes, P., Dusek, U., Röckmann, T., and Holzinger, R.: Chemical characterization of organic particulate matter from on-road traffic in São Paulo, Brazil, Atmos. Chem. Phys., 16, 14397–14408, https://doi.org/10.5194/acp-16-14397-2016, 2016.
Petters, M. D. and Kreidenweis, S. M.: A single parameter representation of hygroscopic growth and cloud condensation nucleus activity, Atmos. Chem. Phys., 7, 1961–1971, https://doi.org/10.5194/acp-7-1961-2007, 2007.
PlasticsEurope: Plastics – the Facts 2022, 81 pp., https://plasticseurope.org/knowledge-hub/plastics-the-facts-2022 (last access: 17 February 2026), 2022.
Quinn, A. L., Regan, J. M., Tobin, J. M., Marinik, B. J., McMahon, J. M., McNett, D. A., Sushynski, C. M., Crofoot, S. D., Jean, P. A., and Plotzke, K. P.: In Vitro and In Vivo Evaluation of the Estrogenic, Androgenic, and Progestagenic Potential of Two Cyclic Siloxanes, Toxicol. Sci., 96, 145–153, https://doi.org/10.1093/toxsci/kfl185, 2006.
Revell, L. E., Kuma, P., Le Ru, E. C., Somerville, W. R. C., and Gaw, S.: Direct radiative effects of airborne microplastics, Nature, 598, 462–467, https://doi.org/10.1038/s41586-021-03864-x, 2021.
Rücker, C. and Kümmerer, K.: Environmental Chemistry of Organosiloxanes, Chem. Rev., 115, 466–524, https://doi.org/10.1021/cr500319v, 2015.
Soloviev, A. V., Haus, B. K., McGauley, M. G., Dean, C. W., Ortiz-Suslow, D. G., Laxague, N. J. M., and Özgökmen, T. M.: Surface dynamics of crude and weathered oil in the presence of dispersants: Laboratory experiment and numerical simulation, J. Geophys. Res.-Oceans, 121, 3502–3516, https://doi.org/10.1002/2015JC011533, 2016.
Sonntag, D. B., Bailey, C. R., Fulper, C. R., and Baldauf, R. W.: Contribution of Lubricating Oil to Particulate Matter Emissions from Light-Duty Gasoline Vehicles in Kansas City, Environ. Sci. Technol., 46, 4191–4199, https://doi.org/10.1021/es203747f, 2012.
Stifelman, M.: Using doubly-labeled water measurements of human energy expenditure to estimate inhalation rates, Sci. Total Environ., 373, 585–590, https://doi.org/10.1016/j.scitotenv.2006.11.041, 2007.
Tang, X., Misztal, P. K., Nazaroff, W. W., and Goldstein, A. H.: Siloxanes Are the Most Abundant Volatile Organic Compound Emitted from Engineering Students in a Classroom, Environ. Sci. Technol. Lett., 2, 303–307, https://doi.org/10.1021/acs.estlett.5b00256, 2015.
Theodosi, C., Grivas, G., Zarmpas, P., Chaloulakou, A., and Mihalopoulos, N.: Mass and chemical composition of size-segregated aerosols (PM1, PM2.5, PM10) over Athens, Greece: local versus regional sources, Atmos. Chem. Phys., 11, 11895–11911, https://doi.org/10.5194/acp-11-11895-2011, 2011.
Thomas, T. H. and Kendrick, T. C.: Thermal analysis of polydimethylsiloxanes. I. Thermal degradation in controlled atmospheres, J. Polym. Sci. Pt. A-2, 7, 537–549, https://doi.org/10.1002/pol.1969.160070308, 1969.
Timkovsky, J., Dusek, U., Henzing, J. S., Kuipers, T. L., Röckmann, T., and Holzinger, R.: Offline thermal-desorption proton-transfer-reaction mass spectrometry to study composition of organic aerosol, J. Aerosol Sci., 79, 1–14, https://doi.org/10.1016/j.jaerosci.2014.08.010, 2015.
US EPA – United States Environmental Protection Agency: Final Scope of the Risk Evaluation for Octamethylcyclotetra-siloxane, https://www.epa.gov/system/files/documents/2022-03/casrn_556_67_2-octamethylcyclotetra-siloxane-d4_finalscope.pdf (last access: 17 February 2026), 2022.
Winoto, Loahardjo, N., Takamura, K., and Morrow, N. R.: Spreading and Retraction of Spilled Crude Oil on Seawater, Int. Oil Spill Conf. Proc., 2014, 1465–1473, https://doi.org/10.7901/2169-3358-2014.1.1465, 2014.
Worton, D. R., Moreno, S., O'Daly, K., and Holzinger, R.: Development of an International System of Units (SI)-traceable transmission curve reference material to improve the quantitation and comparability of proton-transfer-reaction mass-spectrometry measurements, Atmos. Meas. Tech., 16, 1061–1072, https://doi.org/10.5194/amt-16-1061-2023, 2023.
Yao, P., Chianese, E., Kairys, N., Holzinger, R., Materić, D., Sirignano, C., Riccio, A., Ni, H., Huang, R.-J., and Dusek, U.: A large contribution of methylsiloxanes to particulate matter from ship emissions, Environ. Int., 165, 107324, https://doi.org/10.1016/j.envint.2022.107324, 2022.
Yao, P., Holzinger, R., Materić, D., Oyama, B. S., de Fátima Andrade, M., Paul, D., Ni, H., Noto, H., Huang, R.-J., and Dusek, U.: Methylsiloxanes from Vehicle Emissions Detected in Aerosol Particles, Environ. Sci. Technol., 57, 14269–14279, https://doi.org/10.1021/acs.est.3c03797, 2023.
Yucuis, R. A., Stanier, C. O., and Hornbuckle, K. C.: Cyclic siloxanes in air, including identification of high levels in Chicago and distinct diurnal variation, Chemosphere, 92, 905–910, https://doi.org/10.1016/j.chemosphere.2013.02.051, 2013.