Siddharth Parameswaran Iyer

Latest publications

• Atmospheric Autoxidation of Polycyclic Aromatic Hydrocarbons Offset Air Quality and Health Gains from Solid Fuel Restriction

  Fu, Z., Zhou, P., Cui, Z., Tan, R., Cheng, X., Iyer, S., Zeng, L., Yao, M., Xie, H. B., Boy, M. H., Hu, M. & Guo, S., 2 Jun 2026, In: Environmental Science and Technology. 60, 21, p. 15149-15160 12 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Estimating aqueous solubility and hygroscopicity of amino acid particles with COSMOtherm

  Li, Z., Iyer, S. & Hyttinen, N., 2026, In: Communications Chemistry. 9, 1, 25.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Hydroxyl Radical-Initiated Oxidation of Isoprene Leads to a Cyclic Peroxyhemiacetal via 1,6-Hydrogen Shift Chemistry That Yields Secondary Organic Aerosol

  Rice, R. L., Riva, M., Mettke, P., Iyer, S., Gerber, S., Graf, S., Lopez-Hilfiker, F., Kamrath, M., Zhang, Z., Herrmann, H., Surratt, J. D. & Gold, A., 3 Feb 2026, In: Environmental Science and Technology. 60, 4, p. 3374-3383 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Nitric oxide can enhance secondary aerosol precursor formation from aromatic carbonyls

  Barua, S., Kumar, A., Seal, P., Bezaatpour, M., Jha, S., Myllys, N., Iyer, S. & Rissanen, M., 2026, In: Nature Communications. 17, 1, 5454.

  Research output: Contribution to journal › Article › Scientific › peer-review

• NO and NO₂ reactions with oxygenated peroxy radicals lead to indistinguishable product compositions: computational insights from cyclohexene oxidation in presence of NO_x

  Jha, S., Kumar, A., Seal, P., Iyer, S. & Rissanen, M., 1 Aug 2026, In: Environmental Science: Atmospheres. 6, 8, p. 1286-1301 16 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Observations of Reactive Bromine in the Sub-Tropical Marine Boundary Layer

  Rund, P., Lee, B. H., Moon, A. R., Alexander, B., Iyer, S., Novak, G. A., Rollins, A., Lees, A., Vallow, J. T., Marden, L., Carpenter, L. J., Evans, M. J., Shaw, M. D., Edwards, P. M., Fritzmann, A., Stutz, J. & Thornton, J. A., 14 Aug 2026, In: ACS ES&T air. 3, 8, p. 2111-2127 17 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Rapid formation of secondary aerosol precursors from the autoxidation of C₅–C₈ n-aldehydes

  Barua, S., Kumar, A., Seal, P., Iyer, S. & Rissanen, M., 9 Apr 2026, In: Atmospheric Chemistry and Physics. 26, 7, p. 4711-4725 15 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Ambient-Pressure Multischeme Chemical Ionization for Pesticide Detection: A MION-Orbitrap Mass Spectrometry Study

  Partovi, F., Mikkilä, J., Iyer, S., Mikkilä, J., Kontro, J., Ojanperä, S., Shcherbinin, A. & Rissanen, M., 3 Jun 2025, In: ACS Omega. 10, 21, p. 21324-21333 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Detailed Investigation of 2,3-Dimethyl-2-butene Ozonolysis-Derived Hydroxyl, Peroxy, and Alkoxy Radical Chemistry

  Frandsen, B. N., Franzon, L., Meder, M., Pasik, D., Ahongshangbam, E., Vinkvist, N., Myllys, N., Iyer, S., Rissanen, M. P., Ehn, M. & Kurtén, T. C., 19 Jun 2025, In: ACS Earth and Space Chemistry. 9, 6, p. 1322-1337 16 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Laboratory and field characterization of an atmospheric pressure transverse chemical ionization ion-molecule reaction region

  Rund, P., Lee, B. H., Iyer, S., Novak, G. A., Vallow, J. T. & Thornton, J. A., 24 Nov 2025, In: Atmospheric Measurement Techniques. 18, 22, p. 6979-6995 17 p.

  Research output: Contribution to journal › Article › Scientific › peer-review