Selected Publications by Research Topics

^#Denote Zhang’s graduate students

COVID-19

Zhang, R., Y. Li^#, A.L. Zhang, Y. Wang, and M.J. Molina, Identifying airborne transmission as the dominant route for the spread of COVID-19, Proc. Natl. Acad. Sci. USA 117, 14857-14863, doi.org/10.1073/pnas.2009637117 (2020).

Li, Y.^#, R. Zhang, J. Zhao^#, and M.J. Molina, Understanding transmission and intervention for the COVID-19 pandemic in the United States, Sci. Total Environ. 748, 141560, doi.org/10.1016/j.scitotenv.2020.141560 (2020).

Human Health Effects of Airborne Particulate Matter

Behlen, J.C., C.H. Lau, Y. Li^#, P. Dhagat, J.A. Stanley, A. Rodrigues-Hoffman, M.C. Golding, R. Zhang, N.M. Johnson, Gestational Exposure to Ultrafine Particles Reveals Sex- and Dose-Specific Changes in Offspring Birth Outcomes, Placental Morphology, and Gene Networks, Toxicol. Sci., https://doi.org/10.1093/toxsci/kfab118 (2021).

Zhang, R., N.M. Johnson, Y. Li^#, Establishing the exposure-outcome relation between airborne particulate matter and children’s health, Thorax 76, doi.org/10.1136/thoraxjnl- 2021- 217017 (2021).

Johnson, N.M., A. Rodrigues-Hoffmann, J. C. Behlen, C. Lau, D. Pendleton, N. Harvey, R. Shore, Y. Li^#, J. Chen, Y. Tian, and R. Zhang, Air pollution and children’s health—a review of adverse effects associated with prenatal exposure from fine to ultrafine particulate matter, Environ. Health Prev. Med. 26, 72, doi.org/10.1186/s12199-021-00995-5 (2021).

Wu, G., J. Brown, M.L. Zamora^#, A. Miller, M. C. Satterfield, C.J. Meininger, C.B. Steinhauser, G.A. Johnson, R.C. Burghardt, F.W. Bazer, Y. Li^#, N.M. Johnson, M.J. Molina, and R. Zhang, Adverse organogenesis and predisposed long-term metabolic syndrome from prenatal exposure to fine particulate matter, Proc. Natl. Acad. Sci. USA 116, 11590–11595, doi/10.1073/pnas.1902925116 (2019).

Rychlik, K., J. R. Secrest, C. Lauc, J. Pulczinski, M. L. Zamora^#, J. Leal, R. Langleya, L. Myatt, M. Raju, R. C.-A. Chang, Y. Li^#, M.C. Golding, A. Rodrigues-Hoffmann, M.J. Molina, R. Zhang, and N.M. Johnson, In utero ultrafine particulate matter exposure causes offspring pulmonary immunosuppression, Proc. Natl. Acad. Sci. USA 116, 3443–3448, doi/10.1073/pnas.1816103116 (2019).

Aerosols and Hurricanes

Pan, B.^#, Y. Wang, T. Logan, J.S. Hsieh, J.H. Jiang, Y. Li^#, and R. Zhang, Determinant Role of Aerosols From Industrial Sources in Hurricane Harvey’s Catastrophe, Geophy. Res. Lett. 47, e2020GL090014, doi.org/10.1029/2020GL090014 (2020).

Pan, B.^#, Y. Wang, J. Hu^#, Y. Lin^#, J.-S. Hsieh, T. Logan, X. Feng, J.H. Jiang, Y.L. Yung, R. Zhang, Impacts of Saharan Dust on Atlantic Regional Climate and Implications for Tropical Cyclones, J. Climate 31, 7621- 7644, doi: 10.1175/JCLI-D-16-0776.1 (2018).

Wang, Y.^#, K.-H. Lee^#, Y. Lin, M. Levy^#, and R. Zhang, Distinct effects of anthropogenic aerosols on tropical cyclones, Nature Clim. Change 4, 368–373, doi:10.1038/nclimate2144 (2014).

Asian Pollution on Pacific Storm Track

Wang^#, Y.,M. Wang, R. Zhang, S. Ghan, Y. Lin^#, J. Hu^#, B. Pan^#, M. Levy^#, J. Jiang, M.J. Molina, Assessing the Impacts of Anthropogenic Aerosols on Pacific Storm Track Using A Multi-Scale Global Climate Model, Proc. Natl. Acad. Sci. USA 111, 6894–6899, doi:10.1073/pnas.1403364111 (2014).

Wang^#, Y., R. Zhang, R. Saravanan, Asian pollution climatically modulates mid-latitude cyclones following hierarchical modeling and observational analysis, Nature Commun. 4, 3098, doi:10.1038/ncomms4098 (2014).

Li^#, G., Y. Wang^#, K.-H. Lee^#, Y. Diao, and R. Zhang,Increased winter precipitation over the North Pacific from 1984-1994 to 1995-2005 inferred from the global precipitation climatology project, Geophys. Res. Lett. 35, L13821, doi: 10.1029/2008GL034668 (2008).

Zhang, R., G. Li^#, J. Fan^#, D.L. Wu, and M. J. Molina, Intensification of Pacific storm track linked to Asian pollution, Proc. Natl. Acad. Sci. USA 104, 5295-5299 (2007).

Aerosol-Cloud-Climate Interaction

Hu, J.^#, D. Rosenfeld, A. Ryzhkov, D. Zrnic, E. Williams, P.F. Zhang, J.C. Snyder, R. Zhang, R. Weitz, Polarimetric Radar Convective Cell Tracking Reveals Large Sensitivity of Cloud Precipitation and Electrification Properties to CCN, J. Geophys. Res. Atmos. 124, 12194-12205, https://doi.org/10.1029/2019JD030857 (2019).

Wu, G., Z. Li, C. Fu, X. Zhang, R. Zhang, R. Zhang, T. Zhou, J. Li, J. Li, D. Zhou, L. Wu, L. Zhou, B. He, and R. Huang, Advances in studying interactions between aerosols and monsoon in China, Sci. China: Earth Sci. 59, 1–16, doi: 10.1007/s11430-015-5198-z (2016).

Wang^#, Y., J. M. Vogel^#, Y. Lin^#, B. Pan^#, J. Hu^#, Y. Liu, X. Dong, J. Jiang, Y. Yung, and R. Zhang, Aerosol Microphysical and Radiative Effects on Continental Cloud Ensembles, Adv. Atmos. Sci. 35, 234–247, doi: 10.1007/s00376-017-7091-5 (2018).

Wang^#, Y., A. Khalizov, M. Levy, and R. Zhang, Light absorbing aerosols and their atmospheric impacts, Atmos. Environ. 81, 713-715, doi:10.1016/j.atmosenv.2013.09.034 (2013).

Li^#, G., Y. Wang^#, K.-H. Lee^#, Y. Diao, and R. Zhang, The impacts of aerosols on development and precipitation of a mesoscale squall line, J. Geophys. Res. 114, D17205, doi:10.1029/2008JD011581R (2009).

Fan^#, F., R. Zhang, W.-K. Tao, and K. Mohr, Effects of aerosol optical properties on deep convective clouds and radiative forcing, J. Geophys. Res. 113, D08209, doi:10.1029/2007JD009257 (2008).

Yuan, T., Z. Li, R. Zhang, and J. Fan^#, Increase of cloud droplet size with aerosol optical depth: An observation and modeling study, J. Geophys. Res. 113, D04201, doi:10.1029/2007JD008632 (2008).

Fan^#, J., R. Zhang, G. Li, and W.-K. Tao, Effects of aerosols and relative humidity on cumulus clouds, J. Geophys. Res. 112, D14204, doi:10.1029/2006JD008136 (2007).

Zhao, C., X. Tie, G. Brasseur, K.J. Noone, T. Nakajima, Q. Zhang, R. Zhang, M. Huang, Y. Duan, G. Li^#, and Y. Ishizaka1, Aircraft measurements of cloud droplet spectral dispersion and implications for indirect aerosol radiative forcing, Geophys. Res. Lett. 33, L16809, doi: 10.1029/2006GL026653 (2006).

Urban Haze Formation

Lin, L.^#, Y. Wang, B. Pan^#, J. Hu^#, S. Guo, M. L. Zamora^#, P. Tian, Q. Su, Y. Ji, J. Zhao^#, M. Gomez-Hernandez^#, M. Hu, R. Zhang, Formation, radiative forcing, and climatic effects of severe regional haze, Atmos. Chem. Phys., https://doi.org/10.5194/acp-2021-799 (2021).

Peng, J., M. Hu, D. Shang, Z. Wu, Z. Du, T. Tan, Y. Wang, F. Zhang, R. Zhang, Explosive secondary aerosol formation during severe haze in the North China Plain, Environ. Sci. Technol. 55, 55, 4, 2189-2207, DOI: 10.1021/acs.est.0c07204 (2021).

An, Z., R.-J. Huang, R. Zhang, X. Tie, G. Li, J. Cao, W. Zhou, Z. Shi, Y. Han, Z. Gu, and Y. Ji, Severe haze in Northern China: A synergy of anthropogenic emissions and atmospheric processes, Proc. Natl. Acad. Sci. USA 116, 8657–8666, doi/10.1073/pnas.1900125116 (2019).

Wang, G., R. Zhang, M.E. Gomez#, L. Yang, M.L. Zamora#, M. Hu, Y. Lin#, J. Peng, S. Guo, J. Meng, J. Li, C. Cheng, T. Hu, Y. Ren, Y. Wang, J. Gao, J. Cao, Z. An, W. Zhou, G. Li, J. Wang, P. Tian, W. Marrero-Ortiz#, J. Secrest#, Z. Du, J. Zheng, D. Shang, L. Zeng, M. Shao, W. Wang, Y. Huang, Y. Wang, Y. Zhu, Y. Li#, J. Hu#, B. Pan#, L. Cai, Y. Cheng, Y. Ji, F. Zhang, D. Rosenfeld, P.S. Liss, R.A. Duce, C.E. Kolb, M.J. Molina, Persistent sulfate formation from London Fog to Chinese Haze, Proc. Natl. Acad. Sci. USA 113, 13630–13635, DOI: 10.1073/pnas.1616540113 (2016).

Zhang, R., G. Wang, S. Guo, M.L. Zamora^#, Q. Ying, Y. Lin^#, W. Wang, M. Hu, and Y. Wang, Formation of urban fine particulate matter, Chem. Rev. 115, 3803-3855, DOI: 10.1021/acs.chemrev.5b00067 (2015).

Guo, S., M. Hu, Misti L. Zamora^#, J. Peng, D. Shang, J. Zheng, Z. Du, Z. Wu, M. Shao, L. Zeng, M.J. Molina, R. Zhang, Elucidating severe urban haze formation in China, Proc. Natl. Acad. Sci. USA 111, 17373–17378, doi:10.1073/pnas.1419604111 (2014).

Secondary Organic Aerosol (SOA)

Li, Y. , J. Zhao, Y. Wang, J.H. Seinfeld, and R. Zhang, Multi-generation production of secondary organic aerosol from toluene photooxidation, Environ. Sci. Technol. 55, 8592–8603, doi/10.1021/acs.est.1c02026 (2021).

Li, Y., Y. Ji, J. Zhao, Y. Wang, Q. Shi, J. Peng, Y. Wang, C. Wang, F. Zhang, Y. Wang, J.H. Seinfeld, and R. Zhang, Unexpected oligomerization of small α-dicarbonyls for secondary organic aerosol and brown carbon formation, Environ. Sci. Technol. 55, 4430–4439, doi: org/10.1021/acs.est.0c08066 (2021).

Zhang, J., C. Minsu, Y. Ji, R. Zhang, R.Q. Zhang, Q. Ying, Assessing the Uncertainties in Ozone and SOA Predictions due to Different Branching Ratios of the Cresol Pathway in the Toluene-OH Oxidation Mechanism, ACS Earth Space Chem. 5, 1958-1970, doi.org/10.1021/acsearthspacechem.1c00092 (2021).

Ji, Y., Q. Shi, Y. Li^#, T. An, J. Zheng, J. Peng, Y. Gao, J. Chen, G. Li, Y. Wang, F. Zhang, A.L. Zhang, J. Zhao^#, M. J. Molina, and R. Zhang, Carbenium ion-mediated oligomerization of methylglyoxal for secondary organic aerosol formation, Proc. Natl. Acad. Sci. USA 117, 13294-13299, doi.org/10.1073/pnas.1912235117 (2020).

Marrero-Ortiz^#, W., M. Hu, Z. Du, Y. Ji, Y. Wang^#, S. Guo, Y. Lin^#, M. Gomez-Hermandez^#, J. Peng, Y. Li^#, J. Secrest^#, M.L. Zamora^#, Y. Wang, T. An, and R. Zhang, Formation and Optical Properties of Brown Carbon from Small α-Dicarbonyls and Amines, Environ. Sci. Technol. 53(1), 117-126, DOI: 10.1021/acs.est.8b03995 (2019).

Gomez^#, M. E., Y. Lin^#, S. Guo, and R. Zhang, Heterogeneous chemistry of glyoxal on acidic solutions – An oligomerization pathway for secondary organic aerosol formation, J. Phys. Chem. 118, 4457-4463, doi:10.1021/jp509916r (2015).

Xu^#, W., M. Gomez-Hernandez^#, S. Guo, J. Secrest^#, W. Marrero-Ortiz^#, A.L. Zhang, R. Zhang, Acid-catalyzed reactions of epoxides for atmospheric nanoparticle growth, J. Am. Chem. Soc. 136, 15477−15480, DOI: 10.1021/ja508989a (2014).

Wang, L., W. Xu^#, A.F. Khalizov, J. Zheng, Q. Qiu^#, and R. Zhang, Laboratory investigation on the role of organics in atmospheric nanoparticle growth, J. Phys. Chem. 115, 8940–8947 (2011).

Wang, L., A.F. Khalizov, J. Zheng, W. Xu^#, V. Lal^#, Y. Ma, and R. Zhang, Atmospheric nanoparticles formed from heterogeneous reactions of organics, Nature Geosci. 3, doi:10.1038/ngeo778, 238-242 (2010).

Zhao^#, J., N. P. Levitt^#, R. Zhang, and J. Chen, Heterogeneous reactions of methylglyoxal in acidic media: Implications for secondary organic aerosol formation, Environ. Sci. Technol. 40, 7682-7687 (2006).

Zhao^#, J., N. P. Levitt^#, and R. Zhang, Heterogeneous chemistry of octanal and 2, 4-hexadienal with sulfuric acid, Geophys. Res. Lett. 32, L09802, doi:10.1029/ 2004GL022200 (2005).

New Particle Formation (NPF)

Guo, S., M. Hu, J. Peng, Z. Wu, M.L. Zamora, D. Shang, Z. Du, J. Zheng, X. Fang, R. Tang , Y. Wu, L. Zeng, S. Shuai, W. Zhang, Y. Wang, Y. Ji, Y. Li, A.L. Zhang, W. Wang, F. Zhang, J. Zhao, X. Gong, C. Wang, M.J. Molina, and R. Zhang, Remarkable nucleation and growth of ultrafine particles from vehicular exhaust, Proc. Natl. Acad. Sci. USA 117, 3427–3432, doi/10.1073/pnas.1916366117 (2020).

Lee, S.-H., H. Gordon, H. Yu, K. Lehtipalo, R. Haley, Y. Li, and R. Zhang, New Particle Formation in the Atmosphere: From Molecular Clusters to Global Climate, J. Geophys. Res. Atmos. 124, 7098-7146, doi.org: 10.1029/2018JD029356 (2019).

Lin, Y., Y. Ji, Y. Li, J. Secrest, W. Xu, F. Xu, Y. Wang, T. An, and R. Zhang, Interaction between Succinic Acid and Sulfuric Acid-Base Clusters, Atmos. Chem. Phys. 18, 8003-8019, doi.org/10.5194/acp-19-1-2019 (2019).

Zhang, R., A.F. Khalizov, L. Wang, M. Hu, W. Xu^#, Nucleation and growth of nanoparticles in the atmosphere, Chem. Rev. 112, 1957-2011, DOI: 10.1021/cr2001756 (2012).

Xu^#, W., and R. Zhang, A theoretical study of hydrated molecular clusters of amines and dicarboxylic acids, J. Chem. Phys. 139, 064312, doi: 10.1063/1.4817497 (2013).

Zhang, R., Getting to the critical nucleus of aerosol formation, Science 328, doi:10.1126/science.1189732, 1366-1367 (2010).

Zhang, R., L. Wang, A. F. Khalizov, J. Zhao^#, J. Zheng, R. L. McGraw, and L. T. Molina, Formation of nanoparticles of blue haze enhanced by anthropogenic pollution, Proc. Natl. Acad. Sci. USA, 106, doi:10.1073/pnas.0910125106, 17650-17654 (2009).

Zhao^#, J., A.F. Khalizov, R. Zhang, and R. McGraw, Hydrogen bonding interaction of molecular complexes and clusters of aerosol nucleation precursors, J. Phys. Chem. 113, 680–689, doi: 10.1021/jp806693r (2009).

Yue, D., M. Hu, R. Zhang, Z.B. Wang^#, J. Zheng, Z.J. Wu, A. Wiedensohler, L.Y. He, X.F. Huang, and T. Zhu, The roles of sulfuric acid in new particle formation and growth in the mega-city of Beijing, Atmos. Chem. Phys. 10, 4953–4960 (2010).

Fan, J.^#, R. Zhang, D. Collins, and G. Li^#, Contribution of secondary condensable organics to new particle formation: A case study in Houston, Texas, Geophys. Res. Lett. 33, L15802, doi:10.1029/2006GL026295 (2006).

Zhang, R., I. Suh^#, J. Zhao^#, D. Zhang^#, E.C. Fortner^#, X. Tie, L.T. Molina, and M.J. Molina, Atmospheric new particle formation enhanced by organic acids, Science 304, 1487-1490, doi:10.1126/science.1095139 (2004).

Cloud Condensation Nuclei (CCN)

Liu, J., F. Zhang, W. Xu, Y. Sun, L. Chen, S. Li, J. Ren, B. Hu, H. Wu, and R. Zhang, Hygroscopicity of organic aerosols linked to formation mechanisms, Geophy. Res. Lett. 48, doi.org/10.1029/2020GL091683 (2021).

Zhang, F., J. Ren, T. Fan, L. Chen, W. Xu, Y. Sun, R. Zhang, J. Liu, S. Jiang, X. Jin, H. Wu, S. Li, M. C. Cribb, Z. Li, Significantly Enhanced Aerosol CCN Activity and Number Concentrations by Nucleation‐Initiated Haze Events: A Case Study in Urban Beijing, J. Geophys. Res. Atmos. 124, https://doi.org/10.1029/2019JD031457 (2019).

Zhang, F., J. Ren, J. Peng, Y. Wang, D. Collins, R. Zhang, Y. Sun, X. Yang, and Z. Li, Uncertainty in predicting CCN activity of aged and primary aerosols, J. Geophys. Res. Atmos. 122, 11,723-11,736, doi: 10.1002/2017JD027058 (2017).

Gomez-Hernandez^#, M., M., M. McKeown^#, J. Secrest^#, W. Marrero-Ortiz^#, A. Lavi, Y. Rudich, D.R. Collins, R. Zhang, Hygroscopic Characteristics of Alkylaminium Carboxylate Aerosols, Environ. Sci. Technol. 50, 2292−2300, DOI: 10.1021/acs.est.5b04691 (2016).

Xu^#, W., S. Guo, M. Gomez-Hernandez^#, M. Levy^#, J. Secrest^#, W. Marrero-Ortiz^#, A.L. Zhang, D.R. Collins, and R. Zhang, Cloud forming potential of oligomers relevant to secondary organic aerosols, Geophys. Res. Lett. 41, 6538–6545, doi:10.1029/2014GL061040 (2014).

Ma, Y., S. D. Brooks, G. Vidaurre, A. F. Khalizov, L. Wang, and R. Zhang, Rapid modification of cloud-nucleating ability of aerosols by biogenic emissions, Geophys. Res. Lett. 40, 6293–6297, doi:10.1029/2013GL057895 (2013).

Black Carbon (BC)

Zhang, F., Y. Wang, J. Peng , L. Chen, Y. Sun, L. Duan, X. Ge, Y. Li^#, J. Zhao^#, C. Liu, X. Zhang, G. Zhang, Y. Pan, Y. Wang, A.L. Zhang, Y. Ji, G. Wang, M. Hu , M.J. Molina, and R. Zhang, An unexpected catalyst dominates formation and radiative forcing of regional haze, Proc. Natl. Acad. Sci. USA 117, 3960-3966, doi/10.1073/pnas.1919343117 (2020).

Peng, J., M. Hu, S. Guo , Z. Du, J. Zheng, D. Shang, M.L. Zamora#, L. Zeng, M. Shao, Y. Wu, J. Zheng, Y. Wang, C.R. Glen, D.R. Collins, M.J. Molina, and R. Zhang, Markedly enhanced absorption and direct radiative forcing of black carbon under polluted urban environments, Proc. Natl. Acad. Sci. USA 113, 4266–4271, DOI: 10.1073/pnas.1602310113 (2016).

Peng, J., M. Hu, S. Guo, Z. Du, D. Shang, J. Zheng, J. Zheng, L. Zeng, M. Shao, Y. Wu, D. Collins, and R. Zhang, Ageing and hygroscopicity variation of black carbon particles in Beijing measured by a quasi-atmospheric aerosol evolution study (QUALITY) chamber, Atmos. Chem. Phys. 17, 10333–10348, doi:10.5194/acp-17-10333-2017 (2017).

Qiu^#, C., A. Khalizov, B. Hogan, E. Petersen, and R. Zhang, High Sensitivity of Diesel Soot Morphological and Optical Properties to Combustion Temperature in a Shock Tube, Environ. Sci. Technol. 47, 6444–6452, doi:10.1021/es405589d (2014).

Qiu^#, C., A. Khalizov, and R. Zhang, Soot aging from OH-initiated oxidation of toluene, Environ. Sci. Technol. 46, 9464−9472 (2012).

Khalizov, A. F., R. Zhang, D. Zhang^#, H. Xue^#, J. Pagels, and P.H. McMurry, Formation of highly hygroscopic aerosols upon internal mixing of airborne soot particles with sulfuric acid vapor, J. Geophys. Res. 114, D05208, doi:10.1029/2008JD010595 (2009).

Khalizov, A. F., H. Xue^#, and R. Zhang, Enhanced light absorption and scattering by carbon soot aerosols internally mixed with sulfuric acid, J. Phys. Chem. 113, 1066–1074 (2009).

Zhang, R., A.F. Khalizov, J. Pagels, D. Zhang^#, H. Xue^#, and P.H. McMurry, Variability in morphology, hygroscopic and optical properties of soot aerosols during internal mixing in the atmosphere, Proc. Natl. Acad. Sci. USA 105, 10291–10296 (2008).

Zhang^#, D., and R. Zhang, Laboratory investigation of heterogeneous interaction of sulfuric acid with soot, Environ. Sci. Technol. 39, 5722-5727 (2005).

Hydrocarbon Chemistry

Ji, Y., J. Zheng, D. Qin, Y. Li, Y. Gao, M. Yao, X. Chena, G. Li, T. An, and R. Zhang, OH-initiated oxidation of acetylacetone: Implications for ozone and secondary organic aerosol formation, Environ. Sci. Technol. 52, 11169-11177, doi: 10.1021/acs.est.8b03972 (2018).

Ji, Y., J. Zhao^#, H. Terazono, K. Misawa, N. P. Levitt^#, Y. Li^#, Y. Lin^#, J. Peng, Y. Wang^#, L. Duan, B. Pan^#, F. Zhang, X. Feng, T. An, W. Marrero-Ortiz^#, J. Secrest^#, A.L. Zhang, K. Shibuya, M. J. Molina, and R. Zhang, Reassessing the atmospheric oxidation mechanism of toluene, Proc. Natl. Acad. Sci. USA 114, 8169–8174, DOI:10.1073/pnas.1705463114 (2017).

Zhao^#, J., R. Zhang, K. Misawa, and K. Shibuya, Experimental product study of the OH-initiated oxidation of m-xylene, J. Photoch. Photobio. A 176, 199-207 (2005).

Zhang^#, D., and R. Zhang, Ozonolysis mechanisms of a- and b-pienes: Kinetics and mechanism, J. Chem. Phys. 122, 114308 (1-12), doi.org/10.1063/1.1862616 (2005).

Zhao^#, J., R. Zhang, E.C. Fortner^#, and S.W. North, Quantification of hydroxycarbonyls from OH-isoprene reactions, J. Am. Chem. Soc. 126, 2686-2687 (2004).

Fan^#, J., and R. Zhang, Atmospheric oxidation mechanism of isoprene, Environ. Chem. 1, 140-149 (2004).

Suh^#, I., R. Zhang, L.T. Molina, and M.J. Molina, Oxidation mechanism of aromatic peroxy and bicyclic radicals from OH-toluene reactions, J. Am. Chem. Soc. 125, 12655-12665 (2003).

Zhao^#, J., R. Zhang, S.W. North, Oxidation mechanism of d-hydroxyisoprene alkoxy radicals: hydrogen abstraction versus 1,5 H-shift, Chem. Phys. Lett. 369, 204-213 (2003).

Zhang^#, D., R. Zhang, J. Park^#, and S.W. North, Hydroxyperoxy nitrites and nitrates from OH initiated reactions of isoprene, J. Am. Chem. Soc. 124, 9600-9605 (2002).

Lightning Chemistry

Zhang, R., X. Tie, and D.W. Bond^#, Impacts of anthropogenic and natural NO_x sources over the U.S. on tropospheric chemistry, Proc. Natl. Acad. Sci. USA, 100, 1505-1509 (2003).

Bond^#, D.W., S. Steiger, R. Zhang, X. Tie, and R.E. Orville, The importance of NO_x production by lightning in the tropics, Atmos. Environ. 36, 1509-1519 (2002).

Tie, X., R. Zhang, G. Brasseur, L. Emmons, and W. Lei^#, Effects of lightning on reactive nitrogen and nitrogen reservoir species, J. Geophys. Res. 106, 3167-3178 (2001).

Bond^#, D.W., R. Zhang, X. Tie, G. Brasseur, G. Huffines^#, R.E. Orville, and D.J. Boccippio, NO_x production by lightning over the continental United States, J. Geophys. Res. 106, 27701-27709 (2001).

Zhang, R., N.T. Sanger^#, R.E. Orville, X. Tie, W. Randel, and E.R. Williams, Enhanced NO_x by lightning in the upper troposphere and lower stratosphere inferred from the UARS global measurements, Geophys. Res. Lett. 27, 685-688 (2000).

Nesbitt, S.W., R. Zhang, and R.E. Orville, Seasonal and global NO_x production by lightning estimated from the Optical Transient Detector (OTD), Tellus B 52, 1206-1215 (2000).

Development of Novel Theoretical Methodologies

Wang, Y., P.-L. Ma, J. Peng, R. Zhang, J. H. Jiang, R. C. Easter, Y. L. Yung, Constraining Aging Processes of Black Carbon in the Community Atmospheric Model Using Environmental Chamber Measurements, J. Adv. Model. Earth Sy. 10, doi.org/10.1029/2018MS001387 (2018).

Wang^#, Y., J. Fan, R. Zhang, L. R. Leung, C. Franklin, Improving bulk microphysics parameterizations in simulations of aerosol effects, J. Geophys. Res. 118,5361–5379, doi:10.1029/2012JD018992 (2013).

Li^#, G., Y. Wang^#, and R. Zhang, Implementation of a two-moment bulk microphysics scheme to the WRF model to investigate aerosol-cloud interaction, J. Geophys. Res. 113, D15211, doi:10.1029/2007JD009361 (2008).

Fan^#, J., R. Zhang, G. Li^#, W.-K. Tao, and X. Li, Simulations of cumulus clouds using a spectral microphysics cloud resolving model, J. Geophys. Res. 112, D04201, doi:10.1029/2006JD007688 (2007).

Lei^#, W., R. Zhang, X. Tie, and P. Hess, Chemical characterization of ozone formation in the Houston-Galveston area, J. Geophys. Res. 109, D12301, doi:10.1029/2003JD004219 (2004).

Zhang^#, D., and R. Zhang, Mechanism of OH formation from ozonolysis of isoprene: A quantum-chemical study, J. Am. Chem. Soc. 124, 2692-2703 (2002).

Development of Novel Analytical Methodologies

Zheng, J. A.F. Khalizov, L. Wang, and R. Zhang, Atmospheric pressure-ion drift chemical ionization mass spectrometry for detection of trace gas species, Anal. Chem. 82, 7302–7308 (2010).

Xue^#, H., A F. Khalizov, R. Zhang, Effects of coating of dicarboxylic acids on the mass-mobility relationship of soot particles, Environ. Sci. Technol. 43, 2787–2792 (2009).

Ye, X., T. Chen, D. Hu, X. Yang, J. Chen, R. Zhang, A.F. Khalizov, and L. Wang, A multifunctional HTDMA system with a robust temperature control, Adv. Atmos. Sci. 26, 1235-1240 (2009).

Zhao^#, J., and R. Zhang, Proton transfer reaction rate constants between hydronium ion (H₃O⁺) and volatile organic compounds (VOCs), Atmos. Environ. 38, 2177-2185 (2004).

Fortner^#, E.C., J. Zhao^#, and R. Zhang, Development of ion drift-chemical ionization mass spectrometry, Anal. Chem. 76, 5436-5440 (2004).

Zhang, R., W. Lei^#, L.T. Molina, and M.J. Molina, Ion transmission and ion/molecule separation using an electrostatic ion guide in chemical ionization mass spectrometry, Int. J. of Mass Spectrom. 194, 41-48 (2000).

Stratospheric Heterogeneous Chemistry

Zhang, R., M.T. Leu, and M.J. Molina, Formation of polar stratospheric clouds on preactivated background aerosols, Geophys. Res. Lett. 23, 1669-1672 (1996).

Zhang, R., M.T. Leu, and L.F. Keyser, Heterogeneous chemistry of HONO on liquid sulfuric acid: A new mechanism of chlorine activation on stratospheric sulfate aerosols, J. Phys. Chem. 100, 339-345 (1996).

Zhang, R., M.T. Leu, and L.F. Keyser, Sulfuric acid monohydrate: Formation and chemical reactivity in the stratosphere, J. Geophys. Res. 100, 18845-18854 (1995).

Zhang, R., M.T. Leu, and L.F. Keyser, Hydrolysis of N₂O₅ and ClONO₂ on the H₂SO₄/HNO₃/H₂O ternary solutions under stratospheric conditions, Geophys. Res. Lett. 22, 1493-1496 (1995).

Zhang, R., M.T. Leu, and L.F. Keyser, Heterogeneous reactions involving ClONO₂, HCl, and HOCl on liquid sulfuric acid surfaces, J. Phys. Chem. 98, 13563-13574 (1994).

Zhang, R., J.T. Jayne, and M.J. Molina, Heterogeneous reactions of ClONO₂ and HCl on sulfuric acid tetrahydrate: Implications for the stratosphere, J. Phys. Chem. 98, 867-874 (1994).

Molina, M.J., R. Zhang, P.J. Wooldridge, J.E. Kim, J.R. McMahon, H.Y. Chang, and K.D. Beyer, Physical chemistry of the H₂SO₄/HNO₃/H₂O system: Implications for the formation of polar stratospheric clouds, Science (Research Article) 261, 1418-1423 (1993).

Zhang, R., P.J. Wooldridge, J.P.D. Abbatt, and M.J. Molina, Physical chemistry of the H₂SO₄/H₂O binary system at low temperatures: Implications for the stratosphere, J. Phys. Chem. 97, 7351-7358 (1993).

Zhang, R., P.J. Wooldridge, and M.J. Molina, Vapor pressure measurements for the H₂SO₄/HNO₃/H₂O and H₂SO₄/HCl/H₂O systems: Incorporation of stratospheric acids into background sulfate aerosols, J. Phys. Chem. 97, 8541-8548 (1993).

Abbatt, J.P.D., K.D. Beyer, A.F. Fucaloro, J.R. McMahon, P.J. Wooldridge, R. Zhang, and M.J. Molina, Interaction of HCl vapor with water-ice: Implications for the stratosphere, J. Geophys. Res. 97, 15819-15826 (1992).

Cloud Microphysics

Hu, J.^#, D. Rosenfeld, D. Zrnic, E. Williams, P. Zhang, J. C. Snyder, A. Ryzhkov, E. Hashimshoni, R. Zhang, R. Weitz, Tracking and characterization of convective cells through their maturation into stratiform storm elements using polarimetric radar and lightning detection, Atmos. Res. 226, 192–207, doi.org: 10.1016/j.atmosres.2019.04.015 (2019).

Demoz, B., R. Zhang, and R.L. Pitter, An analysis of Sierra Nevada winter orographic storms: Ground-based ice crystal observations, J. Appl. Meteor. 32, 1826-1836 (1993).

Zhang, R., and R.L. Pitter, A numerical simulation of the aerosol scavenging rate by simple ice crystals, J. Geophys. Res.96, 22491-22500 (1991).

Mitchell, D.L., R. Zhang, and R.L. Pitter, The mass-dimensional relations for ice crystals and the influence of riming on the snowfall rate, J. Appl. Meteor. 29, 153-163 (1990).

Thunderstorm Electrification

Orville, R.E., G. Huffines, J. Nielsen-Gammon, R. Zhang, B. Ely, S. Steiger, S. Philips, S. Allen, and W. Read, Enhancement of cloud-to-ground lightning over Houston, Texas, Geophys. Res. Lett. 28, 2597-2600 (2001).

Williams, E.R., and R. Zhang, The density of rime in laboratory simulations of thunderstorm microphysics and electrification, J. Geophys. Res. 101, 29715-29719 (1996).

Williams, E.R., R. Zhang, and D. Boccippio, The microphysical growth state of ice particles and the large scale electric structure of electrified clouds, J. Geophys. Res. 99, 10787-10792 (1994).

Williams, E.R., R. Zhang, and J. Rydock, Mixed phase microphysics and cloud electrification, J. Atmos. Sci. 48, 2195-2203 (1991).

Atmospheric Field Measurements

Zamora, M.L.^#, J. Peng, M. Hu, S. Guo, W. Marrero-Ortiz^#, D. Shang, J. Zheng, Z. Du, Z. Wu, and R. Zhang, Wintertime aerosol properties in Beijing, Atmos. Chem. Phys. 19, 14329-14338 (2019).

Levy^#, M., R. Zhang, J. Zheng, A.L. Zhang, W. Xu^#, M. Gomez-Hernandez^#, Y. Wang^#, E. Olaguer, Measurements of nitrous acid (HONO) using ion drift – chemical ionization mass spectrometry during the 2009 SHARP field campaign, Atmos. Environ. 94, 231-240 (2014).

Levy^#, M., R. Zhang, J. Zheng, H. Tan, Y. Wang^#, L.T. Molina, S. Takahama, L.M. Russell, G. Li^#, Measurements of submicron aerosols at the California–Mexico border during the Cal–Mex 2010 field campaign, Atmos. Environ. 88, 308–319 doi:10.1016/j.atmosenv.2013.08.062 (2014).

Levy^#, M., R. Zhang, A. Khalizov, J. Zheng, D. Collins, C. Glen, Y. Wang^#, X. Y. Yu, W. Luke, J. Jayne, and E. Olaguer, Measurements of submicron aerosols in Houston, Texas during the 2009 SHARP field campaign, J. Geophys. Res. 118, 10,518–10,534, doi:10.1029/2013JD50785 (2013).

Zheng, J., R. Zhang, J.P. Garzón, M.E. Huertas, M. Levy^#, Y. Ma, R. Torres-Jardón, L. G. Ruiz-Suárez, L. Russell, S. Takahama, H. Tan, G. Li^#, and L. T. Molina, Measurements of formaldehyde at the U.S. – Mexico border during the Cal-Mex 2010 Air Quality Study, Atmos. Environ. 70, DOI: 10.1016/j.atmosenv.2012.09.041, 513-520 (2013).

Zheng, J., J.P. Garzón, M.E. Huertas, R. Zhang, M. Levy^#, Y. Ma, J.I. Huertas, R.T. Jardón, L.G. Ruíz, H. Tan, and L.T. Molina, Volatile organic compounds in Tijuana during the Cal-Mex 2010 campaign: Measurements and source apportionment, Atmos. Environ. 70, DOI: 10.1016/j.atmosenv.2012.11.030, 521-531 (2013).

Zheng, J., M. Hu, R. Zhang, D. Yue, Z. Wang, S. Guo, X. Li, B. Bohn, M. Shao, L. He, X. Huang, A. Wiedensohler, and T. Zhu, Measurements of gaseous H₂SO₄ by AP-ID-CIMS during CAREBeijing 2008 Campaign, Atmos. Chem. Phys. 11, 7755–7765 (2011).

Zaveri, R.A., P.B. Voss, C.M. Berkowitz, E. Fortner^#, R. Zhang, R.J. Valente, D. Holcomb, T.A. Hartley, and L. Baran, Overnight transport and chemical processing of photochemically aged Houston urban and petrochemical industrial plumes, J. Geophys. Res. 115, doi:10.1029/2009JD013495, D23303 (2010).

Fortner^#, E.C., Zheng, J., R. Zhang, Berk Knighton, W., Volkamer, R. M., Sheehy, P., Molina, L., and André, M., Measurements of volatile organic compounds using proton transfer reaction mass spectrometry during the MCMA – 2006 campaign, Atmos. Chem. Phys. 9, 467–481 (2009).

Aiken, A. C., D. Salcedo, M. J. Cubison, J. A. Huffman, P. F. DeCarlo, I. M. Ulbrich, K. S. Docherty, D. Sueper, J. R. Kimmel, D. R. Worsnop, A. Trimborn, M. Northway, E. A. Stone, J. J. Schauer, R. Volkamer, E. Fortner^#, B. de Foy, J. Wang, A. Laskin, V. Shutthanandan, J. Zheng, R. Zhang, J. Gaffney, N. A. Marley, G. Paredes-Miranda, W. P. Arnott, L. T. Molina, G. Sosa, and J. L. Jimenez, Mexico City aerosol analysis during MILAGRO using high resolution aerosol mass spectrometry at the urban supersite (T0) – Part 1: Fine particle composition and organic source apportionment, Atmos. Chem. Phys. 9, 6633–6653 (2009).

Zheng, J., R. Zhang, E. C. Fortner^#, R. M. Volkamer, L. Molina, A. C. Aiken, J. L. Jimenez, K. Gaeggeler, J. Dommen, S. Dusanter, P.S. Stevens, X. Tie, Measurements of HNO₃ and N₂O₅ using ion drift – chemical ionization mass spectrometry during the MCMA – 2006 campaign, Atmos. Chem. Phys. 8, 6823–6838 (2008).

Model Simulations

Tie, X., F. Geng, A. Guenther, J. Cao, J. Greenberg, R. Zhang, E. Apel, G. Li, A. Weinheimer, J. Chen, and C. Cai, Megacity impacts on regional ozone formation: observations and WRF-Chem modeling for the MIRAGE-Shanghai field campaign, Atmos. Chem. Phys. 13, 5655-5669 (2013).

Song, J., W. Lei^#, N. Bei, M. Zavala, B. de Foy, R. Volkamer, B. Cardenas, J. Zheng, R. Zhang, and L. T. Molina, Ozone response to emission changes: a modeling study during the MCMA-2006/MILAGRO campaign, Atmos. Chem. Phys. 10, 3827–3846 (2010).

Zhang, Y., M. K. Dubey, S. C. Olsen, J. Zheng, and R. Zhang, Comparisons of WRF/Chem simulations in Mexico City with ground-based RAMA measurements during the 2006-MILAGRO, Atmos. Chem. Phys. 9, 3777-3798 (2009).

Li^#, G., R. Zhang, J. Fan^#, X. Tie, Impacts of biogenic emissions on photochemical ozone production in Houston, Texas, J. Geophys. Res. 112, D10309, doi:10.1029/2006JD007924 (2007).

Tie, X., S. Madronich, G. Li^#, Z. Ying, R. Zhang, A. Garcia, J. Lee-Taylor, and Y. Liu, Characterizations of chemical oxidants in Mexico City: A regional chemical dynamical model (WRF-Chem) study, Atmos. Environ. 41, 1989–2008 (2007).

Fan^#, J., R. Zhang, G. Li^#, J. Nielsen-Gammon, and Z. Li, Simulations of fine particulate matter (PM_2.5) in Houston, Texas, J. Geophys. Res. 110, No. D16203, 10.1029/2005JD005805 (2005).

Li^#, G., R. Zhang, J. Fan^#, and X. Tie, Impacts of black carbon aerosol on photolysis and ozone, J. Geophys. Res. 110, D23206, doi:10.1029/2005JD005898 (2005).

Tie, X., S. Madronich, S. Walters, D. Edwards, P. Ginoux, N. Mahowald, R. Zhang, C. Lou, and G. Brasseur, Assessment of global impact of aerosols on tropospheric oxidants, J. Geophys. Res. 110, D03204, doi:10.1029/2004JD005359 (2005).

Tie, X., S. Madronich, S. Walters, R. Zhang, P. Rasch, and W. Collins, Effect of clouds on photolysis and oxidants in the troposphere, J. Geophys. Res. 108, 4642, doi:10.1029/2003JD003659 (2003).

Laboratory Experiments

Guo, S., M. Hu, Y. Lin^#, M. Gomez-Hernandez^#, M.L. Zamora^#, J. Peng, D.R. Collins, and R. Zhang, OH-Initiated oxidation of m-xylene on black carbon aging, Environ. Sci. Technol. 50, 8605−8612, DOI: 10.1021/acs.est.6b01272 (2016).

Zhang, H., X. Ye, T. Cheng, J. Chen, X. Yang, L. Wang, and R. Zhang, A laboratory study of agricultural crop residue combustion in China: Emission factors and emission inventory, Atmos. Environ. 42, 8432-8441 (2008).

Levitt^#, N. P., R. Zhang, H. Xue, and J. Chen, Heterogeneous chemistry of organic acids on soot surfaces, J. Phys. Chem. A 111, 4804-4814 (2007).

Levitt^#, N. P., J. Zhao^#, and R. Zhang, Heterogeneous chemistry of butanol and decanol with sulfuric acid: Implications for secondary organic aerosol formation, J. Phys. Chem. A 110, 13215-13220 (2006).

Zhang^#, D., R. Zhang, and S.W. North, Experimental study of NO reaction with hydroxyalkyl peroxy radicals from OH-initiated reaction of isoprene, J. Phys. Chem. 107, 11013-11019 (2003).

Suh^#, I., W. Lei^#, and R. Zhang, Experimental and theoretical studies of isoprene reaction with NO₃, J. Phys. Chem. 105, 6471-6478 (2001).

Zhang, R., I. Suh^#, W. Lei^#, A.D. Clinkenbeard, and S.W. North, Kinetic studies of OH-initiated reactions of isoprene, J. Geophys. Res. 105, 24627-24635 (2000).

Quantum Chemical Calculations

Ma, F., H. Xie, M. Li, S. Wang, R. Zhang, and J. Chen, Autoxidation Mechanism for Atmospheric Oxidation of Tertiary Amines: Implications for Secondary Organic Aerosol Formation, Chemosphere 273, 129207, doi.org/10.1016/j.chemosphere.2020.129207 (2021).

Fan^#, J., and R. Zhang, Density functional theory study on OH-initiated atmospheric oxidation of m-xylene, J. Phys. Chem. A 112, 4314-4323 (2008).