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Publications

Research Findings

Welcome to our publications list. Our team of researchers is committed to conducting cutting-edge research and publishing our latest findings. Stay updated with our latest publications in various scientific journals and conferences.

Publications

  1. Xenofontos, C., Kohl, M., Ruhl, S., … Umo, N. S., et al (2025). Global impact of anthropogenic NH3 emissions on upper tropospheric aerosol formation. PNAS 122 (44), e2506658122. https://doi.org/10.1073/pnas.2506658122.
  2. Bhattacharyya, N., Lopez, B., DeVivo, J., … Umo, N. S., et al (2025). Isoprene Aerosol Growth in the Upper Troposphere: Application of the Diagonal Volatility Basis Set to CLOUD Chamber Measurements. ACS EST Air 2025, 2, 2092−2104. https://pubs.acs.org/doi/10.1021/acsestair.5c00106.
  3. Russell, D. M., Kunkler, F., Shen, J., … Umo, N. S., et al (2025). Isoprene chemistry under upper tropospheric conditions. Nature Communications 16, 8555. https://www.nature.com/articles/s41467-025-64229-w.
  4. Zanatta, M., Bogert, P., Ginot, P., … Umo, N. S., et al (2025). AIDA Arctic transport experiment (part 1): simulation of northward transport and aging effect on fundamental black carbon properties, Aerosol Research. https://doi.org/10.5194/ar-2025-12
  5. Shen, J., Russell, D. M., DeVivo, J., … Umo, N. S., et al (2024). New particle formation from isoprene under upper-tropospheric conditions. Nature 636, 115–123 (2024). https://doi.org/10.1038/s41586-024-08196-0.
  6. Wagner, R., Hu, Y., Bogert, P., …, Umo, N. S. et al. (2024). How porosity influences the heterogeneous ice nucleation ability of secondary organic aerosol particles. Journal of Geophysical Research: Atmospheres, 129, e2024JD041576. https://doi.org/10.1029/2024JD041576
  7. Xenofontos, C., Kohl, M., Ruhl, S., …, Umo, N. S. et al.: The impact of ammonia on particle formation in the Asian Tropopause Aerosol Layer. npj Clim Atmos Sci 7, 215 (2024). https://doi.org/10.1038/s41612-024-00758-3.
  8. Vogel, F., Adams, M. P., Lacher, L., … Umo, N. S., et al: Ice-nucleating particles active below -24 °C in a Finnish boreal forest and their relationship to bioaerosols, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-853, 2024.
  9. Pfeifer, J., Mahfouz, N. GA., Schulze, B. C., …, Umo, N. S., et al.: Measurement of the collision rate coefficients between atmospheric ions and multiply charged aerosol particles in the CERN CLOUD chamber. Atmos. Chem. Phys., 23, 6703–6718, https://doi.org/10.5194/acp-23-6703-2023, 2023.
  10. Caudillo, L., Surdu, M., Lopez, B., …Umo, N. S., et al.: An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles, Atmos. Chem. Phys., 23, 6613–6631, https://doi.org/10.5194/acp-23-6613-2023, 2023.
  11. Surdu, M., Lamkaddam, H., Wang, D. S., …Umo, N. S., et al.: Molecular Understanding of the Enhancement in Organic Aerosol Mass at High Relative HumidityEnviron. Sci. Technol. 2023, 57, 6, 2297–2309, https://doi.org/10.1021/acs.est.2c04587
  12. Hu, Y., Tian, P., Huang, M., …, Umo, N. S., et al.: Characteristics of ice-nucleating particles in Beijing during spring: A comparison study of measurements between the suburban and a nearby mountain area. Atmospheric Environment, Volume 293, 15 January 2023, 119451, https://doi.org/10.1016/j.atmosenv.2022.119451.
  13. Jiali Shen, J., Scholz, W., He, X., …, Umo, N. S., et al.: High Gas-Phase Methanesulfonic Acid Production in the OH-Initiated Oxidation of Dimethyl Sulfide at Low Temperatures. Environ. Sci. Technol. 2022, 56, 19, 13931–13944, https://doi.org/10.1021/acs.est.2c05154.
  14. Wang, M., Xiao, M., Bertozzi, B., …, Umo, N. S., et al. Synergistic HNO3–H2SO4–NH3 upper tropospheric particle formation. Nature 605, 483–489 (2022). https://doi.org/10.1038/s41586-022-04605-4.
  15. Meinander, O., Dagsson-Waldhauserova, P., Amosov, P., …, Umo, N. S., et al.: Newly identified climatically and environmentally significant high-latitude dust sources, Atmos. Chem. Phys., 22, 11889–11930, https://doi.org/10.5194/acp-22-11889-2022, 2022.
  16. Brasseur, Z., Castarède, D., …, Umo, N. S., et al.: Measurement report: Introduction to the HyICE-2018 campaign for measurements of ice-nucleating particles and instrument inter-comparison in the Hyytiälä boreal forest, Atmos. Chem. Phys., 22, 5117–5145, https://doi.org/10.5194/acp-22-5117-2022, 2022.
  17. Umo, N. S. et al.: The Influence of Chemical and Mineral Compositions on the Parameterization of Immersion Freezing by Volcanic Ash Particles. Journal of Geophysical Research–Atmospheres, https://doi.org/10.1029/2020JD033356, 2021.
  18. Wagner, R., Ickes, …, Umo, N. S., and Salter, M. E.: Heterogeneous ice nucleation ability of aerosol particles generated from Arctic Sea surface microlayer and surface seawater samples at cirrus temperatures, Atmos. Chem. Phys., https://acp.copernicus.org/preprints/acp-2021-252/, 2021.
  19. Hiranuma, N., Auvermann, B. W., …, Umo, N. S., et al.: Laboratory and field studies of ice-nucleating particles from open-lot livestock facilities in Texas, Atmos. Chem. Phys., 21, 14215–14234, https://doi.org/10.5194/acp-21-14215-2021, 2021.
  20. Schneider, J., Höhler, K., …, Umo, N. S., et al.: The seasonal cycle of ice-nucleating particles linked to the abundance of biogenic aerosol in boreal forests, Atmos. Chem. Phys., 21, 3899–3918, https://doi.org/10.5194/acp-21-3899-2021, 2021.
  21. Steinke, I., Hiranuma, N., Funk, R., Höhler, K., Tüllmann, N., Umo, N. S., et al.: Complex plant-derived organic aerosol as ice-nucleating particles – more than a sum of their parts? Atmos. Chem. Phys., https://acp.copernicus.org/articles/20/11387/2020/, 2020.
  22. Umo, N. S., et al.: Enhanced ice nucleation activity of coal fly ash aerosol particles initiated by ice-filled pores, Atmos. Chem. Phys. 19, 8783–8800. https://doi.org/10.5194/acp-19-8783-2019.
  23. Vergara-Temprado, J., Holden, M. A., …, Umo, N. S., Browse, J., et al.: Is black carbon an unimportant ice-nucleating particle in mixed-phase clouds? Journal of Geophysical Research: Atmospheres, 123, 4273 – 4283. https://doi.org/10.1002/2017JD027831, 2018.
  24. Mangan, T. P., Atkinson, J. D., …, Umo, N. S., et al.: Heterogeneous Ice Nucleation by Soufriere Hills Volcanic Ash Immersed in Water Droplets. PloS One, doi: 10.1371/journal.pone.0169720, 2017.
  25. Umo, N. S., et al.: Ice nucleation by combustion ash particles at conditions relevant to mixed-phase clouds. Atmos. Chem. and Phys. 15, 5195–5210. https://doi.org/10.5194/acp-15-5195-2015, 2015.
  26. O’Sullivan, D., Murray, B. J., …, Umo, N. S., and Webb, M.: The relevance of nanoscale biological fragments for ice nucleation in clouds. Scientific Reports. https://www.nature.com/articles/srep08082, 2015.
  27. Whale, T. F., Murray, B. J., O’Sullivan, D., Umo, N. S., Baustian, K. J., Atkinson, J. D., and Morris, G. J.: A technique for quantifying heterogeneous ice nucleation in microlitre supercooled water droplets, Atmos. Meas. Tech. 8, 2437 – 2447. https://amt.copernicus.org/articles/8/2437/2015/, 2015.
  28. O’Sullivan, D., Murray, B. J., Malkin, T. L., Whale, T. F., Umo, N. S., et al.: Ice nucleation by fertile soil dusts: relative importance of mineral and biogenic components, Atmos. Chem. Phys., 14, 1853–1867, https://doi.org/10.5194/acp-14-1853-2014, 2014.
  29. Umo, N. S., Murray, B. J., O’Sullivan, D., Baeza-Romero, M. T., and Plane, J. C. (2013) Ice nucleation efficiency of soot from biomass combustion. Ame. Inst. of Phys. Conference Proceedings 1527, 937. https://doi.org/10.1063/1.4803426, 2013doi: 10.1063/1.4803426.
  30. Murray, B. J., Haddrell, A. E., Peppe, S., Davies, J. F., Reid, J. P., O’Sullivan, D., Price, H. C., Kumar, R., Saunders, R. W., Plane, J. M. C., Umo, N. S., and Wilson, T. W. (2012) Glass formation and unusual hygroscopic growth of iodic acid solution droplets with relevance for iodine mediated particle formation in the marine boundary layer. Atmos. Chem. and Phys., 12, 8575-8587. doi:10.5194/acp-12-8575-2012.
  31. Ipeaiyeda, A. R., Umo, N. S., and Okojevoh, G. E. (2012) Environmental pollution induced by an aluminium smelting plant in Nigeria. Global Journal of Science Frontier Research Chemistry Volume 12(1) Online ISSN: 2249-4626 & Print ISSN: 0975-5896.
  32. Okafor, P. C., Ekpe, U. J., Ebenso, E. E., Oguzie, E. E., Umo, N. S. and Etor, A. R. (2006) Extract of Allium cepa and Allium sativum as corrosion inhibitor of mild steel in HCl solution. Transactions of SAEST 41: 82 – 87.