Prof. CHAN Man Nin

• Chemical Transformation of Organosulfur Compounds via Heterogeneous Oxidation: Implications for Atmospheric Aerosol Sulfur Cycle
• Chemical Transformation of Isoprene derived Secondary Organic Aerosols via Heterogeneous Oxidation during Daytime and Nighttime
• Evolution of Heterogeneous Reactivity of Atmospheric Aerosols over Time
• If students are interested in atmospheric science and aerosol chemistry, they are encouraged to contact Prof. Chan to discuss research opportunities. 

• New Asia College 

• Warden, Mei Yun Tang, New Asia College 

Full Publications in Google Scholar

(An asterisk * indicates corresponding author and group members are labeled in blue)

• Lai, D., Schaefer, T., Zhang, Y., Li, Y.J., Xing, S., Herrmann, H.* and Chan, M.N.* (2024) “Deactivating Effect of Hydroxyl Radicals Reactivity by Sulfate and Sulfite Functional Groups in Aqueous Phase─Atmospheric Implications for Small Organosulfur Compounds” ACS EST Air, doi.org/10.1021/acsestair.4c00033. 

• Ng, S.I.M.* and Chan, M. N.* (2023) “Beyond the Formation: Unveiling the Chemical Transformation of Organosulfates via Heterogeneous Oxidation in the Atmosphere”, Chemical Communications, 59,13919–13938 

• Lai, D., Wong, Y. K., Xu, R., Xing, S., Ng, S.I.M., Kong, L., Yu, J.Z. Huang, D. D.* and Chan, M. N.* (2023) “Significant Conversion of Organic Sulfur from Hydroxymethanesulfonate (HMS) to Inorganic Sulfate and Peroxydisulfate Ions upon Heterogeneous OH Oxidation”, Environmental Science and Technology Letters, 10, 773–778. 

• Ng, S. I. M., Ng, K. H., Yeung, P. W. F., Xu, R., So, P.-K., Huang, Y., Yu, J. Z., Choi, C. K. K., Tse, Y.-L. S.* and Chan, M. N.* (2022) “Chemical Transformation of a Long-chain Alkyl Organosulfate via Heterogeneous OH Oxidation: A Case Study of Sodium Dodecyl Sulfate”, Environmental Science: Atmosphere, 2, 1060–1075. 

• Xu, R., Ng, S. I. M., Chow, W. S., Wong, Y. K., Wang, Y., Lai, D., Yao, Z., So, P.-K., Yu, J. Z.*, and Chan, M. N.* (2022) “Chemical Transformation of α-Pinene-derived Organosulfate via Heterogeneous OH Oxidation: Implications for Sources and Environmental Fates of Atmospheric Organosulfates”, Atmospheric Chemistry and Physics, 22, 5685–5700. 

• Lam, H. K., Xu, R., Choczynski, J., Davies, J. F., Ham, D., Song, M., Zuend, A., Li, W., Tse, Y.-L. S., Chan, M. N.* (2021) “Effects of Liquid–Liquid Phase Separation and Relative Humidity on the Heterogeneous OH Oxidation of Inorganic–Organic Aerosols: Insights from Methylglutaric Acid/Ammonium Sulfate Particles”, Atmospheric Chemistry and Physics, 21, 2053–2066. 

• Xu, R., Ge, Y., Kwong, K. C., Poon, H. Y., Wilson, K. R., Yu, J. Z. Chan, M. N.* (2020) “Inorganic Sulfur Species formed upon Heterogeneous OH Oxidation of Organosulfates: A Case Study of Methyl Sulfate”, ACS Earth and Space Chemistry, 4, 2041–2049. 

• Chen, Y., Zhang, Y., Lambe, A., Xu, R., Lei, Z., Olson, N., Zhang, Z., Szalkowski, T., Cui, T., Vizuete, W., Gold, A., Turpin, B., Ault, A.*, Chan, M. N.*, Surratt, J.D.* (2020) “Heterogeneous Hydroxyl Radical Oxidation of Isoprene Epoxydiol-Derived Methyltetrol Sulfates: Plausible Formation Mechanisms of Previously Unexplained Organosulfates in Ambient Fine Aerosols”, Environmental Science and Technology Letters, 2020, 7, 460–468. 

• Xu, R., Lam, H. K., Wilson, K. R., Davies, J. F., Song, M., Li, W., Tse, Y.-L. S., Chan, M. N.* (2020) “Effect of Inorganic-to-Organic Mass Ratio on the Heterogeneous OH Reaction Rates of Erythritol”, Atmospheric Chemistry and Physics, 20, 3879–3893. 

• Brüggemann, M., Xu, R., Tilgner, A., Kwong, K. C., Mutzel, A., Poon, H.Y., Otto, T., Schaefer, T., Poulain, L., Chan, M. N.*, Herrmann, H.* (2020) “Organosulfates in Ambient Aerosol: State of Knowledge and Future Research Directions on Formation, Abundance, Fate, and Importance”, Environmental Science and Technology, 54, 3767–3782. 

• Yin, B., Chan, C.K.W., Liu, S., Hong, H., Wong, S.H.D., Lee, K.C.L., Ho, L.W.C., Zhang, L., Leung, K.C.F., Choi, P.C.L, Bian, L.*, Tian, X.Y.*, Chan, M.N.*, Choi, C.H.J.* (2019) “Intrapulmonary Cellular-level Distribution of Inhaled Nanoparticles with Defined Functional Groups and its Correlations with Protein Corona and Inflammatory Response”, ACS Nano, 13, 14048–14069. 

• Lam, H. K., Shum, S. M., Davies, J. F., Song, M., Zuend, A., Chan, M. N. * (2019) “Effects of Inorganic Salts on the Heterogeneous OH Oxidation of Organic Compounds: Insights from Methylglutaric Acid–Ammonium Sulfate”, Atmospheric Chemistry and Physics, 19, 9581–9593. 

• Lam, H.K., Kwong, K.C., Poon, H.Y., Davies, J.F., Zhang, Z., Gold, A., Surratt, J.D., Chan, M.N.* (2019) “Heterogeneous OH Oxidation of Isoprene Epoxydiol-Derived Organosulfates: Kinetics, Chemistry and Formation of Inorganic Sulfate”, Atmospheric Chemistry and Physics, 19, 2433–2440. 

• Chim, M.M., Lim, C.Y., Kroll, J.H., Chan, M.N.* (2018) “Evolution in the Reactivity of Citric Acid towards Heterogeneous Oxidation by Gas-Phase OH Radicals” ACS Earth and Space Chemistry, 2, 1323–1329. 

• Kwong, K.C., Chim, M.M., Hoffmann, E.H., Tilgner, A., Herrmann, H., Davies, J.F., Wilson, K.R., Chan, M.N.* (2018) “Chemical Transformation of Methanesulfonic Acid and Sodium Methanesulfonate through Heterogeneous OH Oxidation” ACS Earth and Space Chemistry, 2, 895–903. 

• Kwong, K.C., Chim, M.M., Davies, J.F., Wilson, K.R., Chan, M.N.* (2018) “Importance of Sulfate Radical Anion Formation and Chemistry in Heterogeneous OH Oxidation of Sodium Methyl Sulfate, the Smallest Organosulfate”, Atmospheric Chemistry and Physics,18, 2809–2820. 

• Chim, M.M., Cheng, C.T., Davies, J.F., Berkemeier, T., Shiraiwa, M., Zuend, A., Chan, M.N.* (2017) “Compositional Evolution of Particle Phase Reaction Products and Water in the Heterogeneous OH Oxidation of Aqueous Organic Droplets”, Atmospheric Chemistry and Physics, 17, 14,415–14,431. 

• Chim, M.M., Chow, C.Y., Davies, J.F., Chan, M.N.* (2017) “Effects of Relative Humidity and Particle Phase Water on the Heterogeneous OH Oxidation of 2-Methylglutaric Acid Aqueous Droplets”, Journal of Physical Chemistry A, 121, 1666–1674. 

• Cheng, C.T., Chan, M.N.,* Wilson, K.R.* (2016) “Importance of Unimolecular HO2 Elimination in the Heterogeneous OH Reaction of Highly Oxygenated Tartaric Acid Aerosol”, Journal of Physical Chemistry A, 118, 28,978–28,992. 

• Cheng, C.T., Chan, M. N.,* Wilson, K.R.* (2015) “The Role of Alkoxy Radicals in the Heterogeneous Reaction of Two Structural Isomers of Dimethylsuccinic Acid”, Physical Chemistry Chemical Physics, 17, 25,309–25,321. 

• General Research Fund, 2023/24, ” Investigating the Effects of Organosulfates and the Sulfur Ester Group on the Hygroscopicity of Atmospheric Aerosols”
• General Research Fund, 2021/22, “Aqueous-Phase Processing of Organosulfates: Implications for their Environmental Fates and Impacts”
• General Research Fund, 2018/2019, “Chemical Transformation of IEPOX-SOA from Isoprene through Heterogeneous OH Oxidation”
• Early Career Scheme, 2016/2017, “Investigating the Effects of Liquid-Liquid Phase Separation on the Molecular Transformation of Aqueous Inorganic-Organic Droplets oxidized by Gas-Phase Hydroxyl (OH) Radicals”