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Publications

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Biomass Burning

Brown Carbon From Ammonia & Amines

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Fe-Catalyzed Chemistry

Hygroscopic Growth

Photochemistry of atmospheric compounds

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ROS and EPFR

SOA Acid-Catalyzed Reactions

SOA Composition

SOA Viscosity & Volatility

SOA Photodegradation

Vaping & Indoor Air

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PhD Thesis by Group Members

Presentations by Group Members

In Memoriam
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Infographics for the 2023 paper by Vahe Baboomian on secondary organic aerosol from indole oxidation
Paper 184

Cover image for the 2023 paper by Avery Dalton on photochemistry of nitrophenols in different solvents
Paper 183

Cover image for the 2020 paper by Xinke Wang on a pathway for sulfate formation by atmospheric photosensitization
Paper 156

Cover image for the 2020 paper by Xinke Wang on a pathway for sulfate formation by atmospheric photosensitization
Paper 152

Cover image for the 2019 paper by Aseel Al Nimer, Laura Rocha, Mohammad A. Rahman, Sergey A. Nizkorodov, and Hind A. Al-Abadleh
Paper 146

Cover image for the introduction to the 2018 ACS book or Multiphase Chemistry in the Atmosphere
Paper 137

Cover image for the 2018 review paper on aerosol mass spectrometry
Paper 130

Cover image for the 2017 paper on biomass burning aerosol during Lag Ba’Omer
Paper 123

Cover image for the 2017 TiPS paper by on the role of secondary organic material in ecosystems
Paper 120

Cover image for the 2016 PCCP paper by Mallory Hinks on SOA viscosity
Paper 110

Cover image for the 2013 paper in the International Reviews in Physical Chemistry
Paper 86

Cover image for the 2012 paper on reactive nano-DESI
Paper 83

Cover image for the 2013 paper on adjusted mass
Paper 79

Cover image for Adam Bateman's 2011 PCCP paper on limonene SOA photolysis
Paper 69

Cover image for the high resolution mass spectrometry perspective published in 2011
Paper 68

Cover image for the 2006 PCCP paper by Jiho Park
Paper 46

Peer-Reviewed Publications

Click on the "filter" links on the left to narrow the publication list down by topic. 

201. Robert M. Weltman, Rufus D. Edwards, Norbert Staimer, Ajay Pillarsetti, Narendra K. Arora, and Sergey A. Nizkorodov
Particle bound PAH emissions from high and low temperature combustion of dung, wood and mixed fuels in household stoves in Haryana, India
Atmospheric Environment X, submitted (2024).  DOI:  PDF

200. Katherine S. Hopstock, Qiaorong Xie, Michael A. Alvarado, Vaios Moschos, Solomon Bililign, Jason D. Surratt, Alexander Laskin, and Sergey A. Nizkorodov
Molecular characterization and photoreactivity of organic aerosols from urban material combustion at the wildland-urban interface
Environmental Science & Technology, published online (2024).  DOI:10.1021/acsestair.4c00215  PDF  SI

199. Lena Gerritz, Véronique Perraud, Kathryn M. Weber, Manabu Shiraiwa, and Sergey A Nizkorodov
Application of ESI-UHPLC-MS/MS to identify condensed-phase free radicals via spin trapping with BMPO
Journal of Physical Chemistry A, accepted (2024).  DOI:  PDF

198. Cynthia Wong, Jett Vuong, and Sergey A Nizkorodov
Biogenic and anthropogenic secondary organic aerosols become fluorescent after highly acidic aging
Journal of Physical Chemistry A, 128 (2024) 7657-7668.  DOI:10.1021/acs.jpca.4c04287  PDF

197. Avery B. Dalton, Lisa M. Wingen, and Sergey A. Nizkorodov
Isomeric identification of the nitroindole chromophore in indole + NO3 organic aerosol
ACS Physical Chemistry Au, 4 (2024) 568-574.  DOI:10.1021/acsphyschemau.4c00044  PDF  SI
Table of molar absorption coefficients of nitroindole isomers
AMS database containing an AMS spectrum of 3-nitroindole (dataset L_STD_V_108)

196. Katherine S. Hopstock, Véronique Perraud, Avery B. Dalton, Barbara Barletta, Simone Meinardi, Robert M. Weltman, Megan A. Mirkhanian, Krisztina J. Rakosi, Donald R. Blake, Rufus D. Edwards, and Sergey A. Nizkorodov
Chemical analysis of exhaled vape emissions: unraveling the complexities of humectant fragmentation in a human trial study
Chemical Research in Toxicology, 37 (2024) 1000-1010. DOI:10.1021/acs.chemrestox.4c00088  PDF  SI

195. Kristian J. Kiland, Katherine S. Hopstock, Ayomide A. Akande, Kristen N. Johnson, Yixin Li, Fabian Mahrt, Sepehr Nikkho, Barbara J. Finlayson-Pitts, Nadine Borduas-Dedekind, Sergey A. Nizkorodov, and Allan K. Bertram
Boiling of catechol secondary organic aerosol when heated to mild temperatures (36-52 °C) due to carbon dioxide formation and high viscosity
ACS ES&T Air, 1 (2024) 547-558. DOI:10.1021/acsestair.4c00027  PDF  SI  
Supplementary videos: Video 1  Video 2  Video 3

194. Sijia Liu, Tommaso Galeazzo, Richard Valorso, Manabu Shiraiwa, Celia L. Faiola, and Sergey A Nizkorodov
Secondary organic aerosol from OH-initiated oxidation of mixtures of d-limonene and β-myrcene
Environmental Science & Technology, 58 (2024) 13391-13401. DOI:10.1021/acs.est.4c04870  PDF  SI

193. Cynthia Wong, Jessica E. Pazienza, Scott D. Rychnovsky, and Sergey A Nizkorodov
Formation of chromophores from cis-pinonaldehyde aged in highly acidic conditions
Journal of the American Chemical Society, 146 (2024) 11702-11710. DOI:10.1021/jacs.3c14177  PDF  SI

192. Lena Gerritz, Jinlai Wei, Ting Fang, Cynthia Wong, Alexandra L. Klodt, Sergey A. Nizkorodov, and Manabu Shiraiwa
Reactive oxygen species formation and peroxide and carbonyl decomposition in aqueous photolysis of secondary organic aerosols
Environmental Science & Technology, 58 (2024) 4716-4726. DOI:10.1021/acs.est.3c08662  PDF  SI

191. Avery B. Dalton, Dmitry A. Fishman, and Sergey A. Nizkorodov
Ultrafast excited-state proton transfer in 4-nitrocatechol: implications for the photochemistry of nitrophenols
Journal of Physical Chemistry A, 127 (2023) 8307-8315. DOI:10.1021/acs.jpca.3c04322  PDF  SI

190. Katherine S. Hopstock, Alexandra L. Klodt, Qiaorong Xie, Michael A. Alvarado, Alexander Laskin, and Sergey A. Nizkorodov
Photolytic aging of organic aerosol from pyrolyzed urban materials
Environmental Science: Atmospheres, 3 (2023) 1272-1285. DOI:10.1039/d3ea00078h  PDF  SI

189. Kameryn Denaro, Sergey A. Nizkorodov, and Amanda J. Holton
The impact of modality choice on final exam success and retention in a concurrent preparatory chemistry course
Journal of Chemical Education, 100 (2023) 4585-4596. DOI:10.1021/acs.jchemed.3c00365  PDF  SI

188. Lena Gerritz, Meredith Schervish, Pascale S. J. Lakey, Tim Oeji, Jinlai Wei, Sergey A. Nizkorodov, and Manabu Shiraiwa
Photoenhanced radical formation in aqueous mixtures of levoglucosan and benzoquinone: implications to photochemical aging of biomass burning organic aerosols
Journal of Physical Chemistry A, 127 (2023) 5209-5221. DOI:10.1021/acs.jpca.3c01794  PDF  SI

187. Alexandra L. Klodt, Paige K. Aiona, Amanda C. MacMillan, Hyun Ji (Julie) Lee, Xiaolu Zhang, Taylor Helgestad, Gordon A. Novak, Peng Lin, Julia Laskin, Alexander Laskin, Timothy H. Bertram, Christopher D. Cappa, and Sergey A. Nizkorodov
Effect of relative humidity, NOx, and ammonia on physical properties of naphthalene secondary organic aerosol
Environmental Science: Atmospheres, 3 (2023) 991-1007. DOI:10.1039/d3ea00033h  PDF  SI

186. Tran B. Nguyen, Kelvin H. Bates, Reina S. Buenconsejo, Sophia M. Charan, Eric E. Cavanna, David R. Cocker III, Douglas A. Day, Marla P. DeVault, Neil M. Donahue, Zachary Finewax, Luke F. Habib, Anne V. Handschy, Lea Hildebrandt Ruiz, Chung-Yi S. Hou, Jose L. Jimenez, Taekyu Joo, Alexandra L. Klodt, Weimeng Kong, Chen Le, Catherine G. Masoud, Matthew S. Mayernik, Nga L. Ng, Eric J. Nienhouse, Sergey A. Nizkorodov, John J. Orlando, Jeroen J. Post, Patrick O. Sturm, Bridget L. Thrasher, Geoffrey S. Tyndall, John H. Seinfeld, Steven J. Worley, Xuan Zhang, and Paul J. Ziemann
Overview of ICARUS – a curated, open access, online repository for atmospheric simulation chamber data
ACS Earth and Space Chemistry, 7 (2023) 1235-1246. DOI:10.1021/acsearthspacechem.3c00043  PDF  SI
Link to ICARUS database

185. Natalie R. Smith, Giuseppe V. Crescenzo, Allan K. Bertram, Sergey A. Nizkorodov, and Celia L. Faiola
Insect infestation increases viscosity of biogenic secondary organic aerosol
ACS Earth and Space Chemistry, 7 (2023) 1060-1071. DOI:10.1021/acsearthspacechem.3c00007  PDF  SI

184. Vahe J. Baboomian, Quanfu He, Julia Montoya-Aguilera, Nujhat N. Ali, Lauren T. Fleming, Peng Lin, Alexander Laskin, Julia Laskin, Yinon Rudich, and Sergey A. Nizkorodov
Light absorption and scattering properties of indole secondary organic aerosol prepared under various oxidant and relative humidity conditions
Aerosol Science and Technology, 57 (2023) 532-545. DOI:10.1080/02786826.2023.2193235  PDF  SI

183. Avery B. Dalton, Scott M. Le, Natalia V. Karimova, R. Benny Gerber, and Sergey A. Nizkorodov
Influence of solvent on electronic structure and the photochemistry of nitrophenols
Environmental Science: Atmospheres, 3 (2023) 257-267. DOI:10.1039/d2ea00144f  PDF  SI

182. Katherine S. Hopstock, Brooke P. Carpenter, Joseph P. Patterson, Hind A. Al-Abadleh, and Sergey A. Nizkorodov
Formation of insoluble brown carbon through iron-catalyzed reaction of biomass burning organics
Environmental Science: Atmospheres, 3 (2023) 207-220. DOI:10.1039/d2ea00141a  PDF  SI

181. Cynthia Wong, Sijia Liu, and Sergey A. Nizkorodov
Highly acidic conditions drastically alter the chemical composition and absorption coefficient of a-pinene secondary organic aerosol
ACS Earth and Space Chemistry, 6 (2022) 2983-2994. DOI:10.1021/acsearthspacechem.2c00249  PDF  SI

180. Kasey C. Edwards, Alexandra L. Klodt, Tommaso Galeazzo, Meredith Schervish, Jinlai Wei, Ting Fang, Neil M. Donahue, Bernard Aumont, Sergey A. Nizkorodov, and Manabu Shiraiwa
Effects of nitrogen oxides on the production of reactive oxygen species and environmentally persistent free radicals from α-pinene and naphthalene secondary organic aerosols
Journal of Physical Chemistry A, 126 (2022) 7361-7372. DOI:10.1021/acs.jpca.2c05532  PDF

179. Kangwei Li, Yunlong Guo, Sergey A. Nizkorodov, Yinon Rudich, Maria Angelaki, Xinke Wang, Taicheng An, Sebastien Perrier, Christian George
Spontaneous dark formation of OH radicals at the interface of aqueous atmospheric droplets
Proceedings of the National Academy of Sciences, 120 (2023) e2220228120. DOI:10.1073/pnas.2220228120   PDF   SI
UC press release  CNRS press release VIA coverage (in Russian)

178. Yuchen Wang, Masayuki Takeuchi, Siyuan Wang, Sergey A. Nizkorodov, Stefan France, Gamze Eris, and Nga Lee Ng
Photolysis of gas-phase atmospherically relevant monoterpene-derived organic nitrates
Journal of Physical Chemistry A, 127 (2023) 987-999. DOI:10.1021/acs.jpca.2c04307  PDF  SI

177. Ting Fang, Brian C. H. Hwang, Sukriti Kapur, Katherine S. Hopstock, Jinlai Wei, Vy Nguyen, Sergey A. Nizkorodov, and Manabu Shiraiwa
Wildfire particulate matter as a source of environmentally persistent free radicals and reactive oxygen species
Environmental Science: Atmospheres, 3 (2023) 581-594. DOI:10.1039/D2EA00170E  PDF  SI

176. Kristian J. Kiland, Kevin L. Marroquin, Natalie R. Smith, Shaun Xu, Sergey A. Nizkorodov, and Allan K. Bertram
A new hot-stage microscopy technique for measuring temperature-dependent viscosities of aerosol particles and its application to farnesene secondary organic aerosol
Atmospheric Measurement Techniques, 15 (2022) 5545–5561. DOI:10.5194/amt-15-5545-2022   PDF  SI

175. Fabian Mahrt, Long Peng, Julia Zaks, Yuanzhou Huang, Paul E. Ohno, Natalie R. Smith, Florence K. A. Gregson, Yiming Qin, Celia L. Faiola, Scot T. Martin, Sergey A. Nizkorodov, Markus Ammann, and Allan K. Bertram
Not all types of secondary organic aerosol mix: two phases observed when mixing different secondary organic aerosol types
Atmospheric Chemistry and Physics, 22 (2022) 13783-13796. DOI:10.5194/acp-22-13783-2022  PDF  SI

174. Alexandra L. Klodt, Marley Adamek, Monica Dibley, Sergey A. Nizkorodov, and Rachel E. O’Brien
Effects of the sample matrix on the photobleaching and photodegradation of toluene-derived secondary organic aerosol compounds
Atmospheric Chemistry and Physics, 22 (2022)10155-10171.  DOI:10.5194/acp-22-10155-2022  PDF  SI

173. Vahe J. Baboomian, Giuseppe V. Crescenzo, Yuanzhou Huang, Fabian Mahrt, Manabu Shiraiwa, Allan K. Bertram, and Sergey A. Nizkorodov
Sunlight can convert atmospheric aerosols into a glassy solid state and modify their environmental impacts
Proceedings of the National Academy of Sciences 119 (2022) e2208121119. DOI:10.1073/pnas.2208121119  PDF  SI

172. Shupeng Zhu, Kai Wu, Sergey A. Nizkorodov, and Donald Dabdub
Modeling reactive ammonia uptake by secondary organic aerosol in a changing climate: a WRF-CMAQ evaluation
Frontiers in Environmental Science, 10 (2022) 867908. DOI:10.3389/fenvs.2022.867908  PDF  SI

171. Hind Al-Abadleh and Sergey A. Nizkorodov
Open questions on transition metals driving secondary thermal processes in atmospheric aerosols
Communications Chemistry, 4 (2021) 176. DOI:10.1038/s42004-021-00616-w   PDF

170. Natalie R. Smith, Julia Montoya-Aguilera, Donald Dabdub, and Sergey A. Nizkorodov
Effect of humidity on the reactive uptake of ammonia and dimethylamine by nitrogen-containing secondary organic aerosol
Atmosphere, 12 (2021) 1502. DOI:10.3390/atmos12111502   PDF   SI

169. Adrian M. Maclean, Ying Li, Giuseppe V. Crescenzo, Natalie R. Smith, Vlassis A. Karydis, Alexandra P. Tsimpidi, Christopher L. Butenhoff, Celia L. Faiola, Jos Lelieveld, Sergey A. Nizkorodov, Manabu Shiraiwa, and Allan K. Bertram
Global distribution of the phase state and mixing times within secondary organic aerosol particles in the troposphere based on room-temperature viscosity measurements
ACS Earth and Space Chemistry, (2021) 3458-3473.  DOI:10.1021/acsearthspacechem.1c00296   PDF   SI

168. Avery B. Dalton and Sergey A. Nizkorodov
Photochemical degradation of 4-nitrocatechol and 2,4-dinitrophenol in a sugar-glass secondary organic aerosol surrogate
Environmental Science & Technology, 55 (2021) 14586-14594. DOI:10.1021/acs.est.1c04975  PDF  SI

167. Cynthia Wong, Daniel Vite, and Sergey A. Nizkorodov
Stability of alpha-pinene and d-limonene ozonolysis secondary organic aerosol compounds towards hydrolysis and hydration
Part of the Mario Molina Memorial special issue
ACS Earth and Space Chemistry, 5 (2021) 2555-2564. DOI:10.1021/acsearthspacechem.1c00171  PDF  SI

166. Xinke Wang, Rachel Gemayel, Vahe J. Baboomian, Kangwei Li, Antoinette Boreave, Clement Dubois, Sophie Tomaz, Sebastien Perrier, Sergey A. Nizkorodov, and Christian George
Naphthalene-derived secondary organic aerosols interfacial photosensitizing properties
Geophysical Research Letters, 48 (2021) e2021GL093465. DOI:10.1029/2021GL093465  PDF  SI

165. Alexandra L. Klodt, Kimberly Zhang, Michael W. Olsen, Jorge L. Fernandez, Filipp Furche, and Sergey A. Nizkorodov
Effect of ammonium salts on the decarboxylation of oxaloacetic acid in atmospheric particles
ACS Earth and Space Chemistry, 5 (2021) 931-940. DOI:10.1021/acsearthspacechem.1c00025  PDF  SI

164. Natalie R. Smith, Giuseppe V. Crescenzo, Yuanzhou Huang, Anusha P. S. Hettiyadura, Kyla Siemens, Ying Li, Celia L. Faiola, Alexander Laskin, Manabu Shiraiwa, Allan K. Bertram, Sergey A. Nizkorodov
Viscosity and liquid-liquid phase separation in healthy and stressed plant SOA
Environmental Science: Atmospheres, 1 (2021) 140-153. DOI:10.1039/d0ea00020e  PDF  SI

163. Adrian M. Maclean, Natalie R. Smith, Ying Li, Yuanzhou Huang, Anusha P. S. Hettiyadura, Giuseppe V. Crescenzo, Manabu Shiraiwa, Alexander Laskin, Sergey A. Nizkorodov, and Allan K. Bertram
Humidity-dependent viscosity of secondary organic aerosol from ozonolysis of ß-caryophyllene: Measurements, predictions, and implications
ACS Earth and Space Chemistry, 5 (2021) 305-318. DOI:10.1021/acsearthspacechem.0c00296  PDF  SI

162. Rachel Gemayel, Corinne Emmelin, Sébastien Perrier, Sophie Tomaz, Vahe J. Baboomian, Dmitry A. Fishman, Sergey A. Nizkorodov, Stephane Dumas, and Christian George
Quenching of ketone triplet excited states by atmospheric halides
Environmental Science: Atmospheres, 1 (2021) 31-44. DOI:10.1039/d0ea00011f  PDF

161. Henry Chin, Katherine S. Hopstock, Lauren T. Fleming, Sergey A. Nizkorodov, and Hind A. Al-Abadleh
Effect of aromatic ring substituents on the ability of catechol to produce brown carbon in iron(III)-catalyzed reactions
Environmental Science: Atmospheres, 1 (2021) 64-79. DOI:10.1039/d0ea00007h  PDF  SI

160. Jinlai Wei, Ting Fang, Cynthia Wong, Pascale S. J. Lakey, Sergey A. Nizkorodov, and Manabu Shiraiwa
Superoxide formation from aqueous reactions of biogenic secondary organic aerosols
Environmental Science & Technology, 55 (2021) 260-270. DOI:10.1021/acs.est.0c07789  PDF  SI

159. Matthieu Riva, Jianfeng Sun, V. Faye McNeill, Charline Ragon, Sebastien Perrier, Yinon Rudich, Sergey A. Nizkorodov, Jianmin Chen, Frederic Caupin, Thorsten Hoffmann and Christian George
High pressure inside nanometer-sized particles influences the rate and products of chemical reactions
Environmental Science & Technology, 55 (2021) 7786-7793. DOI:10.1021/acs.est.0c07386  PDF  SI

158. Vahe J. Baboomian, Yiran Gu, and Sergey A. Nizkorodov
Photodegradation of secondary organic aerosols by long-term exposure to solar actinic radiation
ACS Earth and Space Chemistry, 4 (2020) 1078-1089. DOI:10.1021/acsearthspacechem.0c00088  PDF  SI

157. Robert M. Weltman, Rufus D. Edwards, Lauren T. Fleming, Ankit Yadav, Cheryl L. Weyant, Brigitte Rooney, John H. Seinfeld, Narendra K. Arora, Tami C. Bond, Sergey A. Nizkorodov, and Kirk R. Smith
Emissions measurements from household solid fuel use in Haryana, India: Implications for climate and health co-benefits
Environmental Science & Technology, 55 (2021) 3201-3209. DOI:10.1021/acs.est.0c05143  PDF  SI

156. Nicole Link, Nicole Rzhemovskiy, Jingwei Yun, Lauren T. Fleming, Sergey A. Nizkorodov, Allan K. Bertram, and Hind A. Al-Abadleh
Dust-catalyzed oxidative polymerization of catechol and its impacts on ice nucleation efficiency and optical properties
ACS Earth and Space Chemistry, 4 (2020) 1127-1139. DOI:10.1021/acsearthspacechem.0c00107  PDF  SI

155. Nadine Borduas-Dedekind, Sergey A. Nizkorodov, and Kristopher McNeill
UVB-irradiated laboratory-generated secondary organic aerosol extracts have increased cloud condensation nuclei abilities: Comparison with dissolved organic matter and implications for the photomineralization mechanism
CHIMIA International Journal for Chemistry, 74 (2020) 142-148. DOI:10.2533/chimia.2020.142  PDF

154. Arttu Ylisirniö, Angela Buchholz, Claudia Mohr, Zijun Li, Luis Barreira, Andrew Lambe, Celia Faiola, Eetu Kari, Taina Yli-Juuti, Sergey A. Nizkorodov, Douglas R.Worsnop, Annele Virtanen, and Siegfried Schobesberger
Composition and volatility of secondary organic aerosol (SOA) formed from oxidation of real tree emissions compared to simplified volatile organic compound (VOC) systems
Atmospheric Chemistry and Physics, 20 (2020) 5629-5644. DOI:10.5194/acp-20-5629-2020  PDF  SI

153. Alexandra L. Klodt, Dian E. Romonosky, Peng Lin, Julia Laskin, Alexander Laskin, and Sergey A. Nizkorodov
Aqueous photochemistry of secondary organic aerosol of α-pinene and α-humulene in the presence of hydrogen peroxide or inorganic salts
ACS Earth and Space Chemistry, 3 (2019) 2736-2746. DOI:10.1021/acsearthspacechem.9b00222  PDF  SI

152. Xinke Wang, Rachel Gemayel, Nathalie Hayeck, Sebastien Perrier, Nicolas Charbonnel, Caihong Xu, Hui Chen, Chao Zhu, Liwu Zhang, Lin Wang, Sergey A. Nizkorodov, Xinming Wang, Zhe Wang, Tao Wang, Abdelwahid Mellouki, Matthieu Riva, Jianmin Chen, and Christian George
Atmospheric photosensitization: a new pathway for sulfate formation
Environmental Science & Technology, 54 (2020) 3114-3120. DOI:10.1021/acs.est.9b06347  PDF  SI

151. Lauren T. Fleming, Peng Lin, James M. Roberts, Vanessa Selimovic, Robert Yokelson, Julia Laskin, Alexander Laskin, and Sergey A. Nizkorodov
Molecular composition and photochemical lifetimes of brown carbon chromophores in biomass burning organic aerosol
Atmospheric Chemistry and Physics, 20 (2020) 1105-1129. DOI:10.5194/acp-20-1105-2020  PDF  SI

150. Mijung Song, Adrian M. Maclean, Yuanzhou Huang, Natalie R. Smith, Sandra L. Blair, Julia Laskin, Alexander Laskin, Wing-Sy Wong DeRieux, Ying Li, Manabu Shiraiwa, Sergey A. Nizkorodov, and Allan K. Bertram
Liquid-liquid phase separation and viscosity within secondary organic aerosol generated from diesel fuel vapors
Atmospheric Chemistry and Physics, 19 (2019) 12515-12529. DOI:10.5194/acp-19-12515-2019  PDF  SI

149. Alessandro Manfrin, Sergey A. Nizkorodov, Kurtis T. Malecha, Gordon J. Getzinger, Kristopher McNeill, and Nadine Borduas-Dedekind
Reactive oxygen species production from secondary organic aerosols: The importance of singlet oxygen
Environmental Science & Technology, 53 (2019) 8553-8562. DOI:10.1021/acs.est.9b01609  PDF  SI

148. Lauren T. Fleming, Nujhat N. Ali, Sandra L. Blair, Marie Roveretto, Christian George, and Sergey A. Nizkorodov
Formation of light-absorbing organosulfates during evaporation of secondary organic material extracts in the presence of sulfuric acid
ACS Earth and Space Chemistry, 3 (2019) 947-957. DOI:10.1021/acsearthspacechem.9b00036  PDF

147. Véronique Perraud, Michael J. Lawler, Kurtis T. Malecha, Rebecca M. Johnson, David Herman, Norbert Staimer, Michael T. Kleinman, Sergey A. Nizkorodov and James N. Smith
Chemical characterization of nanoparticles and volatiles present in mainstream hookah smoke
Aerosol Science and Technology, 53 (2019) 1023-1039. DOI:10.1080/02786826.2019.1628342  PDF  SI

146. Aseel Al Nimer, Laura Rocha, Mohammad A. Rahman, Sergey A. Nizkorodov, and Hind A. Al-Abadleh
Effect of oxalate and sulfate on iron-catalyzed secondary brown carbon formation
Environmental Science & Technology, 53 (2019) 6708-6717. DOI:10.1021/acs.est.9b00237  PDF  SI

145. Angela Buchholz, Andrew T-Lambe, Arttu Ylisirniö, Zijun Li, Olli-Pekka Tikkanen, Celia Faiola, Eetu Kari, Liqing Hao, Olli Luoma, Wei Huang, Claudia Mohr, Douglas R. Worsnop, Sergey A. Nizkorodov, Taina Yli-Juuti, Siegfried Schobesberger, and Annele Virtanen
Insights into the O:C ratio dependent mechanisms controlling the evaporation of alpha-pinene secondary organic aerosol particles
Atmospheric Chemistry and Physics, 19 (2019) 4061-4073. DOI:10.5194/acp-19-4061-2019. PDF  SI

144. Brigitte Rooney, Ran Zhao, Yuan Wang, Kelvin H. Bates, Ajay Pillarisetti, Sumit Sharma, Seema Kundu, Tami C. Bond, Nicholas L. Lam, Bora Ozaltun, Li Xu, Varun Goel, Lauren T. Fleming, Robert Weltman, Simone Meinardi, Donald R. Blake, Sergey A. Nizkorodov, Rufus D. Edwards, Ankit Yadav, Narendra L. Arora, Kirk R. Smith, and John H. Seinfeld
Impacts of household sources on air pollution at village and regional scales in India
Atmospheric Chemistry and Physics, 19 (2019) 7719-7742.. DOI:10.5194/acp-19-7719-2019  PDF

143. Zhijian Li, Sergey A. Nizkorodov, Hong Chen, Xiaohui Lu, Xin Yang and Jianmin Chen
Nitrogen-containing secondary organic aerosols formation by acrolein reaction with ammonia/ammonium
Atmospheric Chemistry and Physics, 19 (2019) 1343-1356. DOI:10.5194/acp-19-1343-2019  PDF  SI

142. Dagny A. Ullmann, Mallory L. Hinks, Adrian Maclean, Christopher Butenhoff, James Grayson, Kelley Barsanti, Jose L. Jimenez, Sergey A. Nizkorodov, Saeid Kamal, and Allan K. Bertram
Viscosities, diffusion coefficients, and mixing times of intrinsic fluorescent organic molecules in brown limonene secondary organic aerosol and tests of the Stokes-Einstein equation
Atmospheric Chemistry and Physics, 19 (2019) 1491-1503. DOI:10.5194/acp-19-1491-2019  PDF  SI

141. Pablo Corral Arroyo, Kurtis T. Malecha, Markus Ammann and Sergey A. Nizkorodov
Influence of humidity and iron (III) on photodegradation of atmospheric secondary organic aerosol particles
Physical Chemistry Chemical Physics, 20 (2018) 30021-30031. DOI:10.1039/C8CP03981J  PDF  SI

140. Dorit Shemesh, Ronnie Salomon, Stephanie Hyejin Kim, Geoffrey S. Tyndall, Sergey A. Nizkorodov and R. Benny Gerber
Adjacent keto and enol groups in photochemistry of a cyclic molecule: Products, mechanisms and dynamics
Chemical Physics, 515 (2018) 177-186. DOI:10.1016/j.chemphys.2018.07.045  PDF  SI

139. Lauren T. Fleming, Robert Weltman, Ankit Yadav, Rufus D. Edwards, Narendra K. Arora, Ajay Pillarisetti, Simone Meinardi, Kirk R. Smith, Donald R. Blake and Sergey A. Nizkorodov
Emissions from village cookstoves in Haryana, India and their potential impacts on air quality
Atmospheric Chemistry and Physics, 18 (2018) 15169-15182. DOI:10.5194/acp-18-15169-2018  PDF  SI
Table of emission factors (raw data)

138. Peng Lin, Lauren T. Fleming, Sergey A. Nizkorodov, Julia Laskin and Alexander Laskin
Comprehensive molecular characterization of atmospheric brown carbon by high resolution mass spectrometry with electrospray and atmospheric pressure photoionization
Analytical Chemistry, 90 (2018) 12493-12502. DOI:10.1021/acs.analchem.8b02177  PDF  SI
Table of observed mass spectral peaks

137. Sherri W. Hunt, Alexander Laskin and Sergey A. Nizkorodov
Editors’ Perspective on Multiphase Chemistry in the Atmosphere
ACS Symposium Series volume 1299, Chapter 1, pp 1-6 in "Multiphase Environmental Chemistry in the Atmosphere", Hunt S., Laskin A., Nizkorodov S.A. Eds., 2018; ISBN13: 9780841233638. DOI:10.1021/bk-2018-1299.ch001  PDF

136. Julia Montoya-Aguilera, Mallory L. Hinks, Paige K. Aiona, Lisa M. Wingen, Jeremy R. Horne, Shupeng Zhu, Donald Dabdub, Alexander Laskin, Julia Laskin, Peng Lin and Sergey A. Nizkorodov
Reactive uptake of ammonia by biogenic and anthropogenic organic aerosols
ACS Symposium Series volume 1299, Chapter 7, pp 127-147 in "Multiphase Environmental Chemistry in the Atmosphere", Hunt S., Laskin A., Nizkorodov S.A. Eds., 2018; ISBN13: 9780841233638. DOI:10.1021/bk-2018-1299.ch007  PDF

135. Alexander Laskin, Peng Lin, Julia Laskin, Lauren T. Fleming and Sergey A. Nizkorodov
Molecular characterization of atmospheric brown carbon
ACS Symposium Series volume 1299, Chapter 13, pp 261-274 in "Multiphase Environmental Chemistry in the Atmosphere", Hunt S., Laskin A., Nizkorodov S.A. Eds., 2018; ISBN13: 9780841233638. DOI:10.1021/bk-2018-1299.ch013  PDF

134. Daniel P. Veghte, Swarup China, Johannes Weis, Peng Lin, Mallory L. Hinks, Libor Kovarik, Sergey A. Nizkorodov, Mary K. Gilles and Alexander Laskin
Heating-induced transformations of atmospheric particles: environmental transmission electron microscopy study
Analytical Chemistry, 90 (2018) 9761-9768. DOI:10.1021/acs.analchem.8b01410  PDF  SI

133. Paige K. Aiona, Jenna L. Luek, Stephen A. Timko, Leanne C. Powers, Michael Gonsior and Sergey A. Nizkorodov
Effect of photolysis on absorption and fluorescence spectra of light-absorbing secondary organic aerosols
ACS Earth and Space Chemistry, 2 (2018) 235-245. DOI:10.1021/acsearthspacechem.7b00153  PDF  SI

132. Kurtis T. Malecha, Zicheng Cai and Sergey A. Nizkorodov
Photodegradation of secondary organic aerosol material quantified with a quartz crystal microbalance
Environmental Science & Technology Letters, 5 (2018) 366-371. DOI:10.1021/acs.estlett.8b00231  PDF  SI

131. Wing-Sy Wong DeRieux, Ying Li, Peng Lin, Julia Laskin, Alexander Laskin, Allan K. Bertram, Sergey A. Nizkorodov and Manabu Shiraiwa
Predicting the glass transition temperature and viscosity of secondary organic material using molecular composition
Atmospheric Chemistry and Physics, 18 (2018) 6331-6351. DOI:10.5194/acp-18-6331-2018  PDF

130. Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
Mass spectrometry analysis in atmospheric chemistry
Analytical Chemistry, 90 (2018) 166-189. DOI:10.1021/acs.analchem.7b04249  PDF

129. Shupeng Zhu, Jeremy R. Horne, Julia Montoya-Aguilera, Mallory L. Hinks, Sergey A. Nizkorodov, and Donald Dabdub
Modeling reactive ammonia uptake by secondary organic aerosol in CMAQ: application to the continental US
Atmospheric Chemistry and Physics, 18 (2018) 3641-3657. DOI:10.5194/acp-18-3641-2018  PDF SI

128. Jeremy R. Horne, Shupeng Zhu, Julia Montoya-Aguilera, Mallory L. Hinks, Lisa M. Wingen, Sergey A. Nizkorodov, and Donald Dabdub
Reactive uptake of ammonia by secondary organic aerosols: Implications for air quality
Atmospheric Environment, 189 (2018) 1-8. DOI:10.1016/j.atmosenv.2018.06.021  PDF  SI

127. Lauren T. Fleming, Peng Lin, Alexander Laskin, Julia Laskin, Robert Weltman, Rufus D. Edwards, Narendra K. Arora, Ankit Yadav, Simone Meinardi, Donald R. Blake, Ajay Pillarisetti, Kirk R. Smith and Sergey A. Nizkorodov
Molecular composition of particulate matter emissions from dung and brushwood burning household cookstoves in Haryana, India
Atmospheric Chemistry and Physics, 18 (2018) 2461-2480. DOI:10.5194/acp-18-2461-2018  PDF  SI

126. Paige K. Aiona, Hyun Ji (Julie) Lee, Renee Leslie, Peng Lin, Alexander Laskin, Julia Laskin, and Sergey A. Nizkorodov
Photochemistry of products of the aqueous reaction of methylglyoxal with ammonium sulfate
ACS Earth and Space Chemistry 1 (2017) 522-532. DOI:10.1021/acsearthspacechem.7b00075  PDF  SI

125. Mallory L. Hinks, Julia Montoya-Aguilera, Lucas Ellison, Peng Lin, Alexander Laskin, Julia Laskin, Manabu Shiraiwa, Donald Dabdub and Sergey A. Nizkorodov
Effect of relative humidity on the composition of secondary organic aerosol from the oxidation of toluene
Atmospheric Chemistry and Physics, 18 (2018) 1643-1652. DOI:10.5194/acp-18-1643-2018  PDF  Peak table

124. Paige K. Aiona, Hyun Ji (Julie) Lee, Peng Lin, Forrest Heller, Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
A role for 2-methyl pyrrole in the browning of 4-oxopentanal and limonene secondary organic aerosol
Environmental Science & Technology, 51 (2017) 11048-11056. DOI:10.1021/acs.est.7b02293  PDF

123. Peng Lin, Nir Bluvshtein, Yinon Rudich, SergeyA. Nizkorodov, Julia Laskin and Alexander Laskin
Molecular chemistry of atmospheric brown carbon inferred from a nationwide biomass burning event
Environmental Science & Technology, 51 (2017) 11561-11570. DOI:10.1021/acs.est.7b02276  PDF SI

122. Kurtis T. Malecha and Sergey A. Nizkorodov
Feasibility of photosensitized reactions with secondary organic aerosol particles in the presence of volatile organic compounds
Journal of Physical Chemistry A, 121 (2017) 4961-4967. DOI:10.1021/acs.jpca.7b04066  PDF  SI

121. Ashley Tran, Geoffrey Williams, Shagufta Younus, Nujhat N. Ali, Sandra L. Blair, Sergey A. Nizkorodov and Hind A. Al-Abadleh
Efficient formation of light-absorbing polymeric nanoparticles from the reaction of soluble Fe(III) with C4 and C6 dicarboxylic acids
Environmental Science & Technology, 51 (2017) 9700-9708. DOI:10.1021/acs.est.7b01826  PDF  SI

120. Jarmo K. Holopainen, Mina Kivimäenpää and Sergey A. Nizkorodov
Plant-derived secondary organic material in the air and ecosystems
Trends in Plant Science 22 (2017) 744-753. DOI:10.1016/j.tplants.2017.07.004  PDF

119. Julia Montoya-Aguilera, Jeremy R. Horne, Mallory L. Hinks, Lauren T. Fleming, Véronique Perraud, Peng Lin, Alexander Laskin, Julia Laskin, Donald Dabdub and Sergey A. Nizkorodov
Secondary organic aerosol from atmospheric photooxidation of indole
Atmospheric Chemistry and Physics, 17 (2017) 11605-11621. DOI:10.5194/acp-17-11605-2017  PDF  SI  Peak table

118. Dian E. Romonosky, Ying Li, Manabu Shiraiwa, Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
Aqueous photochemistry of secondary organic aerosol of α-pinene and α-humulene oxidized with ozone, hydroxyl radical, and nitrate radical
Journal of Physical Chemistry A, 121 (2017) 1298-1309. DOI:10.1021/acs.jpca.6b10900  PDF  Peak table

117. James B. Burkholder, Jonathan P.D. Abbatt, Ian Barnes, James M. Roberts, Megan L. Melamed, Markus Ammann, Allan L. Bertram, Christopher D. Cappa, Annmarie G. Carlton, Lucy J. Carpenter, John N. Crowley, Yael Dubowski, Christian George, Dwayne E. Heard, Hartmut Herrmann, Frank N. Keutsch, Jesse H. Kroll, V. Faye McNeill, Nga Lee Ng, Sergey A. Nizkorodov, John J. Orlando, Carl J. Percival, Bénédicte Picquet-Varrault, Yinon Rudich, Paul W. Seakins, Jason D. Surratt, Hiroshi Tanimoto, Joel A. Thornton, Zhu Tong, Geoffrey S. Tyndall, Andreas Wahner, Charles J. Weschler, Kevin R. Wilson and Paul J. Ziemann
The essential role for laboratory studies in atmospheric chemistry
Environmental Science & Technology, 51 (2017) 2519-2528. DOI:10.1021/acs.est.6b04947 PDF

116. Sandra L. Blair, Amanda C. MacMillan, Greg T. Drozd, Allen H. Goldstein, Rosalie Chu, Ljiljana Pasa-Tolic, Jared Shaw, Nicola Tolic, Peng Lin, Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
Molecular characterization of organosulfur compounds in biodiesel and diesel fuel secondary organic aerosol
Environmental Science & Technology, 51 (2017) 119-127. DOI:10.1021/acs.est.6b03304  PDF  SI  Peak table

115. Dorit Shemesh, Sergey A. Nizkorodov and R. Benny Gerber
Photochemical reactions of cyclohexanone: mechanisms and dynamics
Journal of Physical Chemistry A, 120 (2016) 7112-7120. DOI:10.1021/acs.jpca.6b06184  PDF  SI

114. Peng Lin, Paige K. Aiona, Ying Li, Manabu Shiraiwa, Julia Laskin, Sergey A. Nizkorodov and Alexander Laskin
Molecular characterization of brown carbon in biomass burning aerosol particles
Environmental Science & Technology, 50 (2016) 11815-11824. DOI:10.1021/acs.est.6b03024  PDF  SI

113. Jingyan Li, Tingting Xu, Xiaohui Lu, Hong Chen, Sergey A. Nizkorodov, Jianmin Chen, Xin Yang, Zhaoyu Mo, Zhiming Chen, Huilin Liu, Jingying Mao and Guiyun Liang
Online single particle measurement of fireworks pollution during Chinese New Year in Nanning
J. Environ. Sci. 53 (2017) 184-195. DOI:10.1016/j.jes.2016.04.021  PDF  SI

112. Xianda D. Gong, Ci Zhang, Hong Chen, Sergey A. Nizkorodov, Jianmin M. Chen and Xin Yang
Size distribution and mixing state of black carbon particles during a heavy air pollution episode in Shanghai
Atmospheric Chemistry and Physics, 16 (2016) 5399-5411. DOI:10.5194/acp-16-5399-2016  PDF  SI

111. Kurtis T. Malecha and Sergey A. Nizkorodov
Photodegradation of secondary organic aerosol particles as a source of small, oxygenated volatile organic compounds
Environmental Science & Technology, 50 (2016) 9990-9997. DOI:10.1021/acs.est.6b02313 PDF  SI

110. Mallory L. Hinks, Monica V. Brady, Hanna Lignell, Mijung Song, James W. Grayson, Allan K. Bertram, Peng Lin, Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
Effect of viscosity on photodegradation rates in complex secondary organic aerosol materials
Physical Chemistry Chemical Physics, 18 (2016) 8785-8793. DOI:10.1039/C5CP05226B PDF  SI
EMSL highlight for this article

109. Peng Lin, Sergey A. Nizkorodov, Julia Laskin and Alexander Laskin
Revealing brown carbon chromophores produced in reactions of methylglyoxal with ammonium sulfate
Environmental Science & Technology, 49 (2015) 14257-14266. DOI:10.1021/acs.est.5b03608  PDF  SI

108. David R. Fooshee, Paige K. Aiona, Alexander Laskin, Julia Laskin, Sergey A. Nizkorodov and Pierre Baldi
Atmospheric oxidation of squalene: molecular study using COBRA modeling and high-resolution mass spectrometry
Environmental Science & Technology, 49 (2015) 13304-13313. DOI:10.1021/acs.est.5b03552  PDF  SI

107. Dian E. Romonosky, Nujhat N. Ali, Mariyah N. Saiduddin, Michael Wu, Hyun Ji (Julie) Lee, Paige K. Aiona and Sergey A. Nizkorodov
Effective absorption cross sections and photolysis rates of anthropogenic and biogenic secondary organic aerosols
Atmos. Environ. 130 (2016) 172-179. DOI: 10.1016/j.atmosenv.2015.10.019  PDF  SI
Table of mass absorption coefficients (MAC) of secondary organic aerosols (SOA) reported in this work (text)

106. Sandra L. Blair, Scott A. Epstein, Sergey A. Nizkorodov and Norbert Staimer
A real-time fast-flow tube study of VOC and particulate emissions from electronic, potentially reduced-harm, conventional, and reference cigarettes
Aerosol Science and Technology, 49 (2015) 816-827. DOI:10.1080/02786826.2015.1076156 PDF  SI

105. Samantha Slikboer, Lindsay Grandy, Sandra L. Blair, Sergey A. Nizkorodov, Richard W. Smith and Hind A. Al-Abadleh
Formation of light absorbing soluble secondary organics and insoluble polymeric particles from the dark reaction of catechol and guaiacol with Fe(III)
Environmental Science & Technology, 49 (2015) 7793-7801. DOI:10.1021/acs.est.5b01032 PDF  SI

104. Dian E. Romonosky, Lucas Q. Nguyen, Dorit Shemesh, Tran B. Nguyen, Scott A. Epstein, David B.C. Martin, Christopher D. Vanderwal, R. Benny Gerber and Sergey A. Nizkorodov
Absorption spectra and aqueous photochemistry of beta-hydroxyalkyl nitrates of atmospheric interest
Molecular Physics, 113 (2015) 2179-2190. DOI:10.1080/00268976.2015.1017020 PDF  SI

103. Mona Shrestha, Yue Zhang, Mary A. Upshur, Pengfei Liu, Sandra L. Blair, Hong-fei Wang, Sergey A. Nizkorodov, Regan J. Thomson, Scot T. Martin and Franz M. Geiger
On surface order and disorder of α-pinene-derived secondary organic material
Journal of Physical Chemistry A, 119 (2015) 4609-4617. DOI:10.1021/jp510780e  PDF  SI

102. Christian George, Markus Ammann, Barbara D'Anna, D. James Donaldson and Sergey A. Nizkorodov
Heterogeneous photochemistry in the atmosphere
Chemical Reviews, 115 (2015) 4218-4258. DOI:10.1021/cr500648z  PDF

101. Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
Chemistry of atmospheric brown carbon
(a.k.a. Brown Carbon 101)
Chemical Reviews, 115 (2015) 4335-4382. DOI:10.1021/cr5006167  PDF

100. Dian E. Romonosky, Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
High-resolution mass spectrometry and molecular characterization of aqueous photochemistry products of common types of secondary organic aerosols
Journal of Physical Chemistry A, 119 (2015) 2594-2606. DOI:10.1021/jp509476r  PDF  SI

99. Julia Laskin, Alexander Laskin, Sergey A. Nizkorodov, Patrick Roach, Peter Eckert, Mary K. Gilles, Bingbing Wang, Hyun Ji (Julie) Lee, Qichi Hu
Molecular selectivity of brown carbon chromophores
Environmental Science & Technology, 48 (2014) 12047-12055. DOI:10.1021/es503432r  PDF  SI

98. Scott A. Epstein, Sandra L. Blair, and Sergey A. Nizkorodov
Direct photolysis of α-pinene ozonolysis secondary organic aerosol: effect on particle mass and peroxide content
Environmental Science & Technology, 48 (2014) 11251-11258. DOI:10.1021/es502350u  PDF  SI

97. Dorit Shemesh, Sandra L. Blair, Sergey A. Nizkorodov and R. Benny Gerber
Photochemistry of aldehyde clusters: cross-molecular versus unimolecular reaction dynamics
Physical Chemistry Chemical Physics, 16 (2014) 23861-23868. DOI:10.1039/C4CP03130J  PDF

96. Shikang Tao, Xiaohui Lu, Nicole Levac, Adam P. Bateman, Tran B. Nguyen, David L. Bones, Sergey A. Nizkorodov, Julia Laskin, Alexander Laskin and Xin Yang
Molecular characterization of organosulfates in organic aerosols from Shanghai and Los Angeles urban areas by nanospray-desorption electrospray ionization high-resolution mass spectrometry
Environmental Science & Technology, 48 (2014) 10993-11001. DOI:10.1021/es5024674  PDF  SI

95. Jorge Michel Flores, Rebecca A. Washenfelder, Gabriela Adler, Hyun Ji (Julie) Lee, Lior Segev, Julia Laskin, Alexander Laskin, Sergey A. Nizkorodov, Steven S. Brown and Yinon Rudich
Complex refractive indices in the near-ultraviolet spectral region of biogenic secondary organic aerosol aged with ammonia
Physical Chemistry Chemical Physics, 16 (2014) 10629-10642. DOI:10.1039/C4CP01009D  PDF

94. Amanda C. MacMillan, Theresa M. McIntire, Scott A. Epstein and Sergey A. Nizkorodov
Effect of alkyl chain length on hygroscopicity of nanoparticles and thin films of imidazolium-based ionic liquids
Journal of of Physical Chemistry C, 118 (2014) 29458-29466. DOI:10.1021/jp503049j  PDF  SI

93. Hyun Ji (Julie) Lee, Paige K. Aiona, Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
Effect of solar radiation on the optical properties and molecular composition of laboratory proxies of atmospheric brown carbon
Environmental Science & Technology, 48 (2014) 10217-10226. DOI:10.1021/es502515r  PDF  SI

92. Rachel E. O’Brien, Alexander Neu, Scott A. Epstein, Amanda C. MacMillan, Bingbing Wang, Stephen T. Kelly, Sergey A. Nizkorodov, Alexander Laskin, Ryan C. Moffet and Mary K. Gilles
Physical properties of ambient and laboratory-generated secondary organic aerosol
Geophysical Research Letters, 41 (2014) 4347-4353. DOI:10.1002/2014GL060219  PDF  SI

91. Hanna Lignell, Mallory L. Hinks and Sergey A. Nizkorodov
Exploring matrix effects on photochemistry of organic aerosols
Proceedings of the National Academy of Sciences, 111 (2014) 13780–13785. DOI:10.1073/pnas.1322106111  PDF  SI

90. Hanna Lignell, Scott A. Epstein, Margaret R. Marvin, Dorit Shemesh, R. Benny Gerber and Sergey A. Nizkorodov
Experimental and theoretical study of aqueous cis-pinonic acid photolysis
Journal of Physical Chemistry A, 117 (2013) 12930-12945. DOI:10.1021/jp4093018 PDF SI

89. Tran B. Nguyen, Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
Brown carbon formation from ketoaldehydes of biogenic monoterpenes
Faraday Discussions 165 (2013) 473-494. DOI:10.1039/C3FD00036B PDF SI

88. Scott A. Epstein, Enrico Tapavicza, Filipp Furche and Sergey A. Nizkorodov
Direct photolysis of carbonyl compounds dissolved in cloud and fog droplets
Atmospheric Chemistry and Physics, 13 (2013) 9461-9477.  DOI:10.5194/acp-13-9461-2013 PDF SI

87. Hyun Ji (Julie) Lee, Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
Excitation-emission spectra and fluorescence quantum yields for fresh and aged biogenic secondary organic aerosols
Environmental Science & Technology, 47 (2013) 5763–5770. DOI:10.1021/es400644c PDF SI

86. Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
New mass spectrometry techniques for studying physical chemistry of atmospheric heterogeneous processes
International Reviews in Physical Chemistry, 32 (2013) 128-170. DOI:10.1080/0144235X.2012.752904  Highlight for this article (contact Sergey Nizkorodov for a copy of this article)

85. Rachel E. O’Brien, Tran B. Nguyen, Alexander Laskin, Julia Laskin, Patrick L. Hayes, Shang Liu, Jose L. Jimenez, Lynn M. Russell, Sergey A. Nizkorodov and Allen H. Goldstein
Probing molecular associations of field-collected and laboratory-generated SOA with nano-DESI high-resolution mass spectrometry
Journal of Geophysical Research: Atmospheres, 118 (2013) 1042-1051. DOI:10.1002/jgrd.50119  PDF

84. Adam P. Bateman, Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
Applications of high-resolution electrospray ionization mass spectrometry to measurements of average oxygen to carbon ratios in secondary organic aerosols
Environmental Science & Technology, 46 (2012) 8315-8324. DOI:10.1021/es3017254  PDF  SI

83. Julia Laskin, Peter A. Eckert, Patrick J. Roach, Brandi S. Heath, Sergey A. Nizkorodov and Alexander Laskin
Chemical analysis of complex organic mixtures using reactive nanospray desorption electrospray ionization mass spectrometry
Analytical Chemistry, 84 (2012) 7179-7187. DOI:10.1021/ac301533z PDF SI Highlight for this article

82. Amanda C. MacMillan, Theresa M. McIntire, J. Alfredo Freites, Douglas J. Tobias and Sergey A. Nizkorodov
Interaction of water vapor with the surfaces of imidazolium-based ionic liquid nanoparticles and thin films
Journal of Physical Chemistry B, 116 (2012) 11255–11265. DOI:10.1021/jp305029n PDF

81. Alexander Laskin, Sergey A. Nizkorodov and Julia Laskin
Mass spectrometric approaches for chemical characterization of atmospheric aerosols: critical review of the most recent advances (part of a special issue on "Mass Spectrometric Approaches for Atmospheric Aerosols")
Environmental Chemistry, 9 (2012) 163-189. DOI:10.1071/EN12052 PDF

80. Tran B. Nguyen, Alexander Laskin, Julia Laskin and Sergey A. Nizkorodov
Direct aqueous photochemistry of isoprene high-NOx secondary organic aerosol
Physical Chemistry Chemical Physics, 14 (2012) 9702–9714. DOI:10.1039/C2CP40944E PDF SI

79. Tran B. Nguyen, Sergey A. Nizkorodov, Alexander Laskin and Julia Laskin
An approach toward quantification of organic compounds in complex environmental samples using high-resolution electrospray ionization mass spectrometry
Analytical Methods 5 (2013) 72-80. DOI:10.1039/C2AY25682G PDF SI

78. Scott A. Epstein and Sergey A. Nizkorodov
A comparison of the chemical sinks of atmospheric organics in the gas and aqueous phase
Atmospheric Chemistry and Physics, 12 (2012) 8205-8222, DOI:10.5194/acp-12-8205-2012, 2012 PDF SI
Atmospheric Chemistry and Physics, Disc. 12 (2012) 10015-10058.  DOI:10.5194/acpd-12-10015-2012

77. Katelyn M. Updyke, Tran B. Nguyen and Sergey A. Nizkorodov
Formation of brown carbon via reactions of ammonia with secondary organic aerosols from biogenic and anthropogenic precursors
Atmos. Env. 63 (2012) 22-31. DOI:10.1016/j.atmosenv.2012.09.012 PDF SI

76. Scott A. Epstein, Dorit Shemesh, Van T. Tran, Sergey A. Nizkorodov and R. Benny Gerber
Absorption spectra and photolysis of methyl peroxide in liquid and frozen water
Journal of Physical Chemistry A, 116 (2012) 6068-6077. DOI:10.1021/jp211304v  PDF  SI

75. David R. Fooshee, Tran B. Nguyen, Sergey A. Nizkorodov, Julia Laskin, Alexander Laskin and P. Baldi
COBRA: a computational brewing application for predicting the molecular composition of organic aerosols
Environmental Science & Technology, 46 (2012) 6048-6055. DOI:10.1021/es3003734 PDF SI

74. Norbert Staimer, Tran B. Nguyen, Sergey A. Nizkorodov and Ralph J. Delfino
Glutathione peroxidase inhibitory assay for electrophilic pollutants in diesel exhaust and tobacco smoke
Analytical and Bioanalytical Chemistry, 403 (2012) 431-441. DOI:10.1007/s00216-012-5823-z PDF

73. Amanda C. MacMillan, John B. Morrison, Christopher W. Harmon and Sergey A. Nizkorodov
Enhancement of surfactants in nanoparticles produced by an electrospray aerosol generator
Aerosol Science and Technology, 46 (2012) 1239-1245. DOI:10.1080/02786826.2012.708946 PDF SI

72. Tran B. Nguyen, Paula B. Lee, Katelyn M. Updyke, David L. Bones, Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
Formation of nitrogen- and sulfur-containing light-absorbing compounds accelerated by evaporation of water from secondary organic aerosols
Journal of Geophysical Research: Atmospheres, 117 (2012) D01207. DOI:10.1029/2011JD016944 PDF SI

71. Tran B. Nguyen, Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
Nitrogen-containing organic compounds and oligomers in secondary organic aerosol formed by photooxidation of isoprene
Environmental Science & Technology, 45 (2011) 6908-6918.  DOI:10.1021/es201611n  PDF SI

70. Tran B. Nguyen, Patrick J. Roach, Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
Effect of humidity on the composition of isoprene photooxidation secondary organic aerosol
Atmospheric Chemistry and Physics, Disc. 11 (2011) 9217-9248.  DOI:10.5194/acpd-11-9217-2011
Atmospheric Chemistry and Physics, 11 (2011) 6931-6944. DOI:10.5194/acp-11-6931-2011 PDF  SI

69. Adam P. Bateman, Sergey A. Nizkorodov, Julia Laskin and Alexander Laskin
Photolytic processing of secondary organic aerosols dissolved in cloud droplets
Physical Chemistry Chemical Physics, 13 (2011) 12199 - 12212.  DOI:10.1039/C1CP20526A  PDF  SI

68. Sergey A. Nizkorodov, Julia Laskin and Alexander Laskin
Molecular chemistry of organic aerosols through the application of high resolution mass spectrometry
Physical Chemistry Chemical Physics, 13 (2011) 3612 - 3629.  DOI:10.1039/C0CP02032J  PDF

67. Adam P. Bateman, Sergey A. Nizkorodov, Julia Laskin and Alexander Laskin
High-resolution electrospray ionization mass spectrometry analysis of water-soluble organic aerosols collected with a particle into liquid sampler
Analytical Chemistry, 82 (2010) 8010-8016.  DOI:10.1021/ac1014386  PDF  SI

66. Julia Laskin, Alexander Laskin, Patrick J. Roach, Gordon W. Slysz, Gordon A. Anderson, Sergey A. Nizkorodov, David L. Bones and Lucas Q. Nguyen
High-resolution desorption electrospray ionization mass spectrometry for chemical characterization of organic aerosols
Analytical Chemistry, 82 (2010) 2048-2058. DOI:10.1021/ac902801f  PDF

65. Christopher W. Harmon, Ronald L. Grimm, Theresa M. McIntire, Mark D. Peterson, Bosa Njegic, Vanessa M. Angel, Ahmad Alshawa, Joelle S. Underwood, Douglas J. Tobias, R. Benny Gerber, Mark S. Gordon, John C. Hemminger and Sergey A. Nizkorodov
Hygroscopic growth and deliquescence of NaCl nanoparticles mixed with surfactant SDS
Journal of Physical Chemistry B, 114 (2010) 2435-2449. DOI:10.1021/jp909661q  PDF

64. Tran B. Nguyen, Adam P. Bateman, David L. Bones, Sergey A. Nizkorodov, Julia Laskin and Alexander Laskin
High-resolution mass spectrometry analysis of secondary organic aerosol generated by ozonolysis of isoprene
Atmospheric Environment, 44 (2010) 1032-1042. DOI:10.1016/j.atmosenv.2009.12.019  PDF SI
 List of ESI-MS(+) peaks  List of ESI-MS(-) peaks

63. Michael A. Kamboures, Sergey A. Nizkorodov and R. Benny Gerber
Ultrafast photochemistry of methyl hydroperoxide on ice particles
Proceedings of the National Academy of Sciences, 107 (2010) 6600-6604.  DOI:10.1073/pnas.0907922106  PDF

62. David L. Bones, Dana K. Henricksen, Stephen A. Mang, Michael Gonsior, Adam P. Bateman, Tran B. Nguyen, William J. Cooper and Sergey A. Nizkorodov
Appearance of strong absorbers and fluorophores in limonene-O3 secondary organic aerosol due to NH4+-mediated chemical aging over long time scales
Journal of Geophysical Research: Atmospheres, 115 (2010) D05203.  DOI:10.1029/2009JD012864  PDF  SI

61. Adam P. Bateman, Sergey A. Nizkorodov, Julia Laskin and Alexander Laskin
Time-resolved molecular characterization of limonene/ozone aerosol using high-resolution electrospray ionization mass spectrometry
Physical Chemistry Chemical Physics, 11 (2009) 7931-7942.  DOI:10.1039/b905288g  PDF SI  
List of ESI-MS(+) peaks in limonene SOA mass spectrum

60. Xiang Pan, Joelle S. Underwood, Jia-Hua Xing, Stephen A. Mang and Sergey A. Nizkorodov
Photodegradation of secondary organic aerosol generated from limonene oxidation by ozone studied with chemical ionization mass spectrometry
Atmospheric Chemistry and Physics, 9 (2009) 3851-3865.  DOI:10.5194/acp-9-3851-2009  PDF

59. Ahmad Alshawa, Otto Dopfer, Christopher W. Harmon, Sergey A. Nizkorodov and Joelle S. Underwood
Hygroscopic growth and deliquescence of NaCl nanoparticles coated with surfactant AOT
(part of the Robert Benny Gerber Festschrift special issue)
Journal of Physical Chemistry A, 113 (2009) 7678-7686.  DOI:10.1021/jp809869r  PDF

58. Jeffrey R. Suchard, Sergey A. Nizkorodov, Stacy A. Wilkinson
Paper: 1,4-Butanediol Content of Aqua Dots Children’s Craft Toy Beads
Journal of Medical Toxicology 5 (2009) 120-124.  DOI:10.1007/BF03161221  PDF
Conference proceedings: 1,4-Butanediol Content of Aqua Dots Craft Toy Beads
Academic Emergency Medicine, 15 (2008) S84-S102. DOI:10.1111/j.1553-2712.2008.00123.x  PDF

57. Stephen A. Mang, Dana K. Henricksen, Adam P. Bateman, Mads P.S. Andersen, Donald R. Blake and Sergey A. Nizkorodov
Contribution of carbonyl photochemistry to aging of atmospheric secondary organic aerosol
Journal of Physical Chemistry A, 112 (2008) 8337-8344.  DOI:10.1021/jp804376c  PDF

56. Adam P. Bateman, Maggie L. Walser, Yury Desyaterik, Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
The effect of solvent on the analysis of secondary organic aerosol using electrospray ionization mass spectrometry
Environmental Science & Technology, 42 (2008) 7341–7346.  DOI:10.1021/es801226w  PDF  SI

55. Stephen A. Mang, Maggie L. Walser, Xiang Pan, Jia-Hua Xing, Adam P. Bateman, Joelle S. Underwood, Anthony L. Gomez, Jiho Park and Sergey A. Nizkorodov
Photochemistry of secondary organic aerosol formed from oxidation of monoterpenes
In “Atmospheric Aerosols: Characterization, Chemistry and Modeling (ACS Symposium Series)
Valsaraj, K. T., Kommalapati, R. R., Eds., (2009) 216 pages. ISBN13: 9780841269736
Chapter 7, page 91-109.  DOI:10.1021/bk-2009-1005.ch007   PDF (note - large file!)

54. Stephen A. Mang, Maggie L. Walser, Sergey A. Nizkorodov and John M. Laux
Measurement of ozone emission and particle removal rates from portable air purifiers
Journal of Chemical Education, 86 (2009) 219-221.  DOI:10.1021/ed086p219  PDF  SI

53. François Lique, Millard A. Alexander, Guoliang Li, Hans-Joachim Werner, Sergey A. Nizkorodov, Warren W. Harper and David J. Nesbitt
Evidence for excited spin-orbit state reaction dynamics in F + H2: theory and experiment
Journal of Chemical Physics, 128 (2008) 084313.  DOI:10.1063/1.2831412  PDF

52. Anthony L. Gomez, Tanza L. Lewis, Stacy A. Wilkinson and Sergey A. Nizkorodov
Stoichiometry of ozonation of environmentally relevant olefins in saturated hydrocarbon solvents
Environmental Science & Technology, 42 (2008) 3582-3587.  DOI:10.1021/es800096d  PDF  SI

51. Maggie L. Walser, Yury Desyaterik, Julia Laskin, Alexander Laskin and Sergey A. Nizkorodov
High-resolution mass spectrometric analysis of secondary organic aerosol produced by ozonation of limonene
Physical Chemistry Chemical Physics, 10 (2008) 1009-1022.  DOI:10.1039/b712620d  PDF
Supporting image
(+) ESI-MS peak list (-) ESI-MS peak list

50. Maggie L. Walser, Jiho Park, Anthony L. Gomez, Ashley R. Russell and Sergey A. Nizkorodov
Photochemical aging of secondary organic aerosol particles generated from the oxidation of d-limonene
Journal of Physical Chemistry A, 111 (2007) 1907-1913.  DOI:10.1021/jp066293l  PDF   SI

49. Ahmad Alshawa, Ashley R. Russell and Sergey A. Nizkorodov
Kinetic analysis of competition between aerosol particle removal and generation by ionization air purifiers
Environmental Science & Technology, 41 (2007) 2498-2504.  DOI:10.1021/es061760y  PDF SI  

48. Horia-Sorin Andrei, Sergey A. Nizkorodov and Otto Dopfer
IR spectra of protonated carbonic acid and its isomeric H3O+---CO2 complex
Angew. Chem. Int. Ed. 46 (2007) 4754-4756.  DOI:10.1002/anie.200700750  PDF
Angew. Chem. 119 (2007) 4838-4840. PDF

47. Anthony L. Gomez, Jiho Park, Maggie L. Walser, Ao Lin and Sergey A. Nizkorodov
UV photodissociation spectroscopy of oxidized undecylenic acid films
Journal of Physical Chemistry A, 110 (2006) 3584-3592.  DOI:10.1021/jp0554442  PDF

46. Jiho Park, Anthony L. Gomez, Maggie L. Walser, Ao Lin and Sergey A. Nizkorodov
Ozonolysis and photolysis of alkene-terminated self-assembled monolayers on quartz nanoparticles: implications for photochemical aging of organic aerosol particles
Physical Chemistry Chemical Physics, 8 (2006) 2506-2512. DOI:10.1039/b602704k  PDF

45. Nicole Britigan, Ahmad Alshawa and Sergey A. Nizkorodov
Quantification of ozone levels in indoor environments generated by ionization and ozonolysis air-purifiers
JAWMA 56 (2006) 601-610. DOI:10.1080/10473289.2006.10464467  PDF

44. Sergey A. Nizkorodov, John D. Crounse, Juliane L. Fry, Coleen M. Roehl and Paul O. Wennberg
Near-IR photodissociation of peroxy acetyl nitrate
Atmospheric Chemistry and Physics, 5 (2005) 385-392.  DOI:10.5194/acp-5-385-2005  PDF

43. Yael Dubowski, John Vieceli, Douglas J. Tobias, Anthony L. Gomez, Ao Lin, Sergey A. Nizkorodov, Theresa M. McIntire and Barbara J. Finlayson-Pitts
Interaction of gas-phase ozone at 296 K with unsaturated self-assembled monolayers: a new look at an old system
Journal of Physical Chemistry A, 108 (2004) 10473-10485.  DOI:10.1021/jp046604x  PDF

42. Sergey A. Nizkorodov, Michael Ziemkiewicz, David J. Nesbitt and Alan E. W. Knight
Overtone spectroscopy of H2O clusters in the vOH = 2 manifold: infrared-ultraviolet vibrationally mediated dissociation studies
Journal of Chemical Physics, 122 (2005) 194316: 1-10.  DOI:10.1063/1.1899157  PDF

41. Juliane L. Fry, Sergey A. Nizkorodov, Mitchio Okumura, Coleen M. Roehl, Joseph S. Francisco and Paul O. Wennberg
Cis-cis and trans-perp HOONO: action spectroscopy and isomerization kinetics
Journal of Chemical Physics, 121 (2004) 1432-1448. DOI:10.1063/1.1760714  PDF

40. Sergey A. Nizkorodov, Stanley P. Sander and Linda R. Brown
Temperature and pressure dependence of high-resolution air-broadened absorption cross sections of NO2 (415-525 nm)
Journal of Physical Chemistry A, 108 (2004) 4864-4872.  DOI:10.1021/jp049461n  PDF

39. Brian D. Bean, Andrew K. Mollner, Sergey A. Nizkorodov, Gautham Nair, Mitchio Okumura, Stanley P. Sander, Kirk A. Peterson and Joseph S. Francisco
Cavity ringdown spectroscopy of cis-cis HOONO and the HOONO/HONO2 branching ratio in the reaction OH + NO2 + M
Journal of Physical Chemistry A, 107 (2003) 6974-6985.  DOI:10.1021/jp034407c   PDF

38. Sergey A. Nizkorodov, Michael Ziemkiewicz, Tanya L. Myers and David J. Nesbitt
Vibrationally mediated dissociation dynamics of H2O in the vOH = 2 polyad
Journal of Chemical Physics,119 (2003) 10158-10168.  DOI:10.1063/1.1616915  PDF

37. Sergey A. Nizkorodov and Paul O. Wennberg
First spectroscopic observation of HOONO
Journal of Physical Chemistry A, 106 (2002) 855-859. DOI:10.1021/jp013598l   PDF

36. Coleen M. Roehl, Sergey A. Nizkorodov, Hui Zhang, Geoffrey A. Blake and Paul O. Wennberg
Photodissociation of peroxinitric acid in the near-IR
Journal of Physical Chemistry A, 106 (2002) 3766-3772. DOI:10.1021/jp013536v  PDF

35. Warren W. Harper, Sergey A. Nizkorodov and David J. Nesbitt
Reactive scattering of F + HD -> HF(v, J) + D: HF(v, J) nascent product state distributions and evidence for quantum transition state resonances
Journal of Chemical Physics, 116 (2002) 5622-5632.  DOI:10.1063/1.1456507  PDF

34. Sergey A. Nizkorodov, Warren W. Harper and David J. Nesbitt
Fast vibrational relaxation of OH(v=9) by ammonia and ozone
Chemical Physics Letters, 341 (2001) 107-114. DOI:10.1016/S0009-2614(01)00371-2  PDF

33. Warren W. Harper, Sergey A. Nizkorodov and David J. Nesbitt
Differential scattering dynamics of F + CH4 -> HF(v, J) + CH3 via high-resolution IR laser dopplerimetry
Chemical Physics Letters, 335 (2001) 381-387.  DOI:10.1016/S0009-2614(01)00034-3  PDF

32. Sergey A. Nizkorodov, Warren W. Harper, Brad W. Blackmon and David J. Nesbitt
Temperature dependent kinetics of the HO/HO2/O3 chain reaction by time-resolved IR laser absorption spectroscopy
Journal of Physical Chemistry A, 104 (2000) 3964-3973.  DOI:10.1021/jp9934984  PDF

31. Warren W. Harper, Sergey A. Nizkorodov and David J. Nesbitt
Quantum state-resolved reactive scattering of F + CH4 -> HF(v, J) + CH3: nascent HF(v, J) product state distributions
Journal of Chemical Physics, 113 (2000) 3670-3680.  DOI:10.1063/1.1287398  PDF

30. Sergey A. Nizkorodov, Warren W. Harper, William B. Chapman, Brad W. Blackmon and David J. Nesbitt
Energy-dependent cross-sections and non-adiabatic reaction dynamics in F(2P3/2, 2P1/2) + n-H2 -> HF(v, J) + H
Journal of Chemical Physics, 111 (1999) 8404-8416.  DOI:10.1063/1.480182  PDF

29. Sergey A. Nizkorodov, Warren W. Harper and David J. Nesbitt
State-to-state reaction dynamics in crossed supersonic jets: threshold evidence for non-adiabatic channels in F + H2
Faraday. Disc. Chem. Soc.113 (1999) 107-117.  DOI:10.1039/a901824g  PDF

28. Rouslan V. Olkhov, Sergey A. Nizkorodov and Otto Dopfer
Intermolecular interaction in the CH3+---He complex revealed by ab initio calculations and infrared photodissociation spectroscopy
Journal of Chemical Physics, 110 (1999) 9527-9535.  DOI:10.1063/1.478917  PDF

27. William B. Chapman, Brad W. Blackmon, Sergey A. Nizkorodov and David J. Nesbitt
Quantum state-resolved reactive scattering of F + H2 in supersonic jets: nascent HF(v, J) rovibrational distributions via IR laser direct absorption methods
Journal of Chemical Physics, 109 (1998) 9306-9317.  DOI:10.1063/1.477592  PDF

26. Sergey A. Nizkorodov and Evan J. Bieske
Photofragmentation dynamics of the (N2O)2+ and (N2O)3+ clusters: fragment N2O+ A<-X spectra
Chemical Physics, 239 (1998) 369.  DOI:10.1016/S0301-0104(98)00320-6  PDF

25. Otto Dopfer, Sergey A. Nizkorodov, Rouslan V. Olkhov, John P. Maier and Ken Harada
Infrared spectrum of the Ar---NH2+ ionic complex
Journal of Physical Chemistry A, 102 (1998) 10017-10024.  DOI:10.1021/jp983132b  PDF

24. Rouslan V. Olkhov, Sergey A. Nizkorodov and Otto Dopfer
Infrared photodissociation spectra of isomeric SiOH+---Arn (n=1-10) complexes
Chemical Physics, 239 (1998) 393-407.  DOI:10.1016/S0301-0104(98)00253-5  PDF

23. Doris Roth, Sergey A. Nizkorodov, John P. Maier and Otto Dopfer
Intermolecular interaction in the OH+---He and OH+---Ne open-shell ionic complexes: Infrared predissociation spectra of the n1 and n1+nb vibrations
Journal of Chemical Physics, 109 (1998) 3841-3849.  DOI:10.1063/1.476984  PDF

22. Rouslan V. Olkhov, Sergey A. Nizkorodov and Otto Dopfer
Infrared photodissociation spectra of CH3+---Arn complexes (n=1-8)
Journal of Chemical Physics, 108 (1998) 10046-10060.  DOI:10.1063/1.476465  PDF

21. Sergey A. Nizkorodov, Markus Meuwly, John P. Maier, Otto Dopfer and Evan J. Bieske
Infrared predissociation spectra of Nen---HN2+ clusters (n=1-5)
Journal of Chemical Physics, 108 (1998) 8964-8975.  DOI:10.1063/1.476342  PDF

20. Rouslan V. Olkhov, Sergey A. Nizkorodov and Otto Dopfer
Hindered internal rotation in ion-neutral molecular complexes: The n1 vibration of H2---HCO+ and D2---DCO+
Journal of Chemical Physics, 107 (1997) 8229-8238.  DOI:10.1063/1.475027  PDF

19. Sergey A. Nizkorodov, Doris Roth, Rouslan V. Olkhov, John P. Maier and Otto Dopfer
Infrared predissociation spectra of He---HO2+ and Ne---HO2+: prediction of the n1 frequency of HO2+
Chemical Physics Letters, 278 (1997) 26-30.  DOI:10.1016/S0009-2614(97)01003-8  PDF

18. Markus Meuwly, Sergey A. Nizkorodov, Evan J. Bieske, John P. Maier and Otto Dopfer
Reply to comment on "The n3 infrared spectrum of the He---NH4+ complex
Chemical Physics Letters, 270 (1997) 252-254.  DOI:10.1016/S0009-2614(97)00346-1  PDF

17. Otto Dopfer, Sergey A. Nizkorodov, Markus Meuwly, Evan J. Bieske and John P. Maier
Microsolvation of the ammonium ion in argon: infrared spectra of NH4+---Arn complexes (n=1-7)
Int. J. Mass Spectrom. Ion. Proc. 167-168 (1997) 637-647. DOI:10.1016/S0168-1176(97)00111-0   PDF

16. Sergey A. Nizkorodov, Yuri Spinelli, Evan J. Bieske, John P. Maier and Otto Dopfer
Dissociation energy of the Ar---HN2+ complex
Chemical Physics Letters, 265 (1997) 303-307.  DOI:10.1016/S0009-2614(96)01480-7  PDF

15. Otto Dopfer, Sergey A. Nizkorodov, Markus Meuwly, Evan J. Bieske and John P. Maier
The n3 infrared spectrum of the He---NH4+ complex
Chemical Physics Letters, 260 (1996) 545-550.  DOI:10.1016/0009-2614(96)00919-0   PDF

14. Sergey A. Nizkorodov, Otto Dopfer, Markus Meuwly, John P. Maier and Evan J. Bieske
Mid-infrared spectra of the proton-bound complexes Nen---HCO+ (n=1, 2)
Journal of Chemical Physics, 105 (1996) 1770-1777.  DOI:10.1063/1.472052  PDF

13. Evan J. Bieske, Sergey A. Nizkorodov, Otto Dopfer, John P. Maier, Ross J. Stickland, Bryan J. Cotterell and Brian J. Howard
Observation of the infrared spectrum of the n3 band of the argon-ammonium ionic complex
Chemical Physics Letters, 250 (1996) 266-272.  DOI:10.1016/0009-2614(96)00029-2  PDF

12. Markus Meuwly, Sergey A. Nizkorodov, John P. Maier and Evan J. Bieske
Mid-infrared spectra of He---HN2+ and He2---HN2+
Journal of Chemical Physics, 104 (1996) 3876-3885.  DOI:10.1063/1.471244  PDF

11. Sergey A. Nizkorodov, Otto Dopfer, Thomas Ruchti, Markus Meuwly, John P. Maier and Evan J. Bieske
Size effects in cluster infrared spectra: the n1 band of Arn---HCO+
Journal of Physical Chemistry, 99 (1995) 17118-17129.  DOI:10.1021/j100047a013  PDF

10. Sergey A. Nizkorodov, John P. Maier and Evan J. Bieske
The infrared spectrum of He---HCO+
Journal of Chemical Physics, 103 (1995) 1297-1302.  DOI:10.1063/1.469806  PDF

9. Evan J. Bieske, Sergey A. Nizkorodov, Frederick R. Bennett and John P. Maier
Combined infrared and ab initio study of the H2---NH2+ complex
Int. J. Mass Spectr. Ion Proc. 149/150 (1995) 167-177. DOI:10.1016/0168-1176(95)04239-H   PDF

8. Sergey A. Nizkorodov, John P. Maier and Evan J. Bieske
The infrared spectrum of the N2H+---He ion-neutral complex
Journal of Chemical Physics, 102 (1995) 5570-5571. DOI:10.1063/1.469286   PDF

7. Evan J. Bieske, Sergey A. Nizkorodov, Frederick R. Bennett and John P. Maier
The infrared spectrum of the H2---HCO+ complex
Journal of Chemical Physics, 102 (1995) 5152-5164.  DOI:10.1063/1.469240  PDF

6. Dan Lessen, Sergey A. Nizkorodov, Patrick Knupfer, Thomas Ruchti, Evan J. Bieske and John P. Maier
Rotational distribution of N2+ fragments from 355 nm photolysis of N4+
Chemical Physics Letters, 226 (1994) 187-192.  DOI:10.1016/0009-2614(94)00698-9  PDF

5. Evan J. Bieske, Sergey A. Nizkorodov, Adrian A. Friedmann and John P. Maier
Metastable decay of N2+-Hen (v = 1) (1 < n < 6) clusters
Int. J. Mass Spectr. Ion Proc. 135 (1994) 19-30.  DOI:10.1016/0168-1176(94)03975-5  PDF

4. Sergey A. Nizkorodov, Vladimir I. Makarov, Igor V. Khmelinskii, Sergei A. Kotschubei and Konstantin A. Amosov
LIF detection of NO3 radical after pulsed excitation of NO2 vapor at 436.45 nm
Chemical Physics Letters, 222 (1994) 135-140.  DOI:10.1016/0009-2614(94)00290-8  PDF

3. Adrian A. Friedmann, Antony M. Soliva, Sergey A. Nizkorodov, Evan J. Bieske and John P. Maier
A3Piu - X3Sigmag- electronic spectrum of N3+
Journal of Physical Chemistry, 98 (1994) 8896-8902.  DOI:10.1021/j100087a013  PDF

2. Adrian A. Friedmann, Sergey A. Nizkorodov, Evan J. Bieske and John P. Maier
Discrete UV absorption by N3+---(N2)n clusters
Chemical Physics Letters, 224 (1994) 16-20.  DOI:10.1016/0009-2614(94)00514-1  PDF

1. Sergey A. Nizkorodov, Vladimir I. Makarov, Igor V. Khmelinskii, Sergei A. Kotschubei and Konstantin A. Amosov
Time-resolved fluorescence of NO2 in a magnetic field
Chemical Physics Letters, 215 (1993) 662-667. DOI:10.1016/0009-2614(93)89374-Q  PDF

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PhD Thesis, MS Thesis and Independent Papers by Group Members

Natalie Smith, Ph.D. Thesis (August 2022)
Complex Mixtures of Terpenes Results in Highly Viscous Secondary Organic Aerosols
Video recording of Natalie's PhD defense

Alexandra Klodt, Ph.D. Thesis (August 2022)
Effects of Aqueous Inorganic or Viscous Organic Matrices on the Chemical and Photochemical Aging Processes of Secondary Organic Aerosols in the Atmosphere

Vahe Baboomian, Ph.D. Thesis (June 2022)
Condensed-Phase Photochemical Aging in Secondary Organic Aerosols

Julia Montoya-Aguilera, Ph.D. Thesis (May 2020)
Nitrogen Containing Secondary Organic Aerosols: Experiments and Air Quality Simulations

Lauren Fleming, Ph.D. Thesis ( April 2019)
Molecular Composition, Optical Properties, and Chemical Aging of Primary and Secondary Organic Aerosol

Paige Aiona, Ph.D. Thesis ( May 2018)
Optical Properties and Chemical Composition of Brown Carbon Aerosols

Kurtis Malecha, Ph.D. Thesis ( January 2018)
Condensed-Phase Photochemical Processes in Secondary Organic Aerosols from Biogenic and Anthropogenic Sources

Mallory Hinks, Ph.D. Thesis ( May 2017)
Effect of Environmental Conditions on Composition and Photochemistry of Secondary Organic Aerosols

Dian Romonosky, Ph.D. Thesis (July 2016)
Optical Properties, Chemical Composition, and Aqueous Photochemistry of Secondary Organic Aerosol

Sandra Blair, Ph.D. Thesis (May 2016)
Composition and Photochemistry of Anthropogenic and Biogenic Organic Aerosols

Amanda MacMillan, Ph.D. Thesis (December 2015)
Uptake of Water and Other Molecules by Aerosolized Nanoparticles

Sandra Blair, M.S. Thesis (May 2014)
Photolytic Processing of Organic Aerosol through Carbonyl Photochemistry

Hanna Lignell, Ph.D. Thesis (January 2014)
Photochemical Studies of Atmospherically Relevant Species in Multiple Phases

Tran B. Nguyen, Ph.D. Thesis (June 2012)
Molecular Composition and Chemical Transformation of Secondary Organic Aerosols from Biogenic Precursors

Adam P. Bateman, Ph.D. Thesis (May 2011)
Chemical Composition and Photochemical Evolution of Limonene Secondary Organic Aerosol Studied using High Resolution Electrospray Ionization Mass Spectrometry
Selected moments from the defense video

Joshua E. Klobas, UCI Undergraduate Research Journal (2010) volume XIII, p. 7-14.
New Approach for Probing Photodegradation of Organic Aerosols Using Quartz Crystal Microbalance

Christopher W. Harmon, Ph.D. Thesis (December 2009)
Hygroscopicity of Amphiphilic Nanoparticles: The Role of Size and Composition

Xiang Pan, Ph.D. Thesis (June 2009)
Photochemistry of Limonene Secondary Organic Aerosol Studied with Chemical Ionization Mass Spectrometry

Stephen A. Mang, Ph.D. Thesis (May 2008)
Atmospheric Aging of Monoterpene Secondary Organic Aerosol

Dr. Ahmad Alshawa, Ph.D. Thesis (January 2008)
Hygroscopicity of Mixed Inorganic/ Surfactant Ultrafine Aerosol Particles

Dr. Maggie L. Walser, Ph.D. Thesis (August 2007)
Limonene-Derived Secondary Organic Aerosol: Composition and Photochemistry

Dr. Anthony L. Gomez, Ph.D. Thesis (June 2007)
Analysis of the Chemical and Photochemical Aging of Organic Aerosol Particles

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In Memoriam

Donald R. Blake, Barbara J. Finlayson-Pitts and Sergey A. Nizkorodov
James N. Pitts Jr. (1921–2014)
EOS 96(2015)  DOI:10.1029/2015EO029385  PDF

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