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Fundamental and Computational Sciences Directorate

Staff information


Alla Zelenyuk-Imre

Pacific Northwest National Laboratory
PO Box 999
MSIN: K8-88
Richland, WA 99352

Awards and Recognitions

PNNL Publications


  • Gong J, ML Stewart, A Zelenyuk-Imre, A Strzelec, S Viswanathan, D Rothamer, DE Foster, and CJ Rutland. 2018. "Importance of Filter’s Microstructure in Dynamic Filtration Modeling of Gasoline Particulate Filters (GPFs): Inhomogeneous Porosity and Pore Size Distribution." Chemical Engineering Journal 338:15-26.  doi:10.1016/j.cej.2018.01.006
  • Zaveri RA, JE Shilling, A Zelenyuk-Imre, J Liu, DM Bell, E D'Ambro, C Gaston, JA Thornton, A Laskin, P Lin, JM Wilson, RC Easter, Jr, J Wang, AK Bertram, ST Martin, JH Seinfeld, and D Worsnop. 2018. "Growth kinetics and size distribution dynamics of viscous secondary organic aerosol." Environmental Science & Technology 52(3):1191-1199.  doi:10.1021/acs.est.7b04623


  • Zelenyuk A, JM Wilson, DG Imre, ML Stewart, GG Muntean, J Storey, V Prikhodko, ST Lewis, M Eibl, and JE Parks. 2017. "Detailed Characterization of Particulate Matter Emitted by Lean-Burn Gasoline Direct Injection Engine." International Journal of Engine Research 18(5-6):560-572.  doi:10.1177/1468087416675708
  • Zelenyuk-Imre A, D Imre, JM Wilson, DM Bell, KJ Suski, MKB Shrivastava, J Beranek, ML Alexander, AL Kramer, and SL Massey Simonich. 2017. "The Effect of Gas-phase Polycyclic Aromatic Hydrocarbons on the Formation and Properties of Biogenic Secondary Organic Aerosol Particles." Faraday Discussions 200:143-164.  doi:10.1039/C7FD00032D
  • Bell DM, D Imre, ST Martin, and A Zelenyuk-Imre. 2017. "The Properties and Behavior of alpha-Pinene Secondary Organic Aerosol Particles Exposed to Ammonia Under Dry Conditions." Physical Chemistry Chemical Physics. PCCP 19(9):6497-6507.  doi:10.1039/c6cp08839b
  • Kassianov EI, MS Pekour, CJ Flynn, LK Berg, J Beranek, A Zelenyuk, C Zhao, LYR Leung, PL Ma, LD Riihimaki, JD Fast, JC Barnard, AG Hallar, I McCubbin, EW Eloranta, A McComiskey, and PJ Rasch. 2017. "Large Contribution of Coarse Mode to Aerosol Microphysical and Optical Properties: Evidence from Ground-based Observations of a Transpacific Dust Outbreak at a High-Elevation North American Site." Journal of the Atmospheric Sciences 74(5):1431-1443.  doi:10.1175/JAS-D-16-0256.1
  • Shrivastava MKB, C Cappa, J Fan, AH Goldstein, AB Guenther, JL Jimenez, C Kuang, A Laskin, ST Martin, NL Ng, T Petaja, J Pierce, PJ Rasch, P Roldin, JH Seinfeld, JE Shilling, JN Smith, JA Thornton, RM Volkamer, J Wang, D Worsnop, RA Zaveri, A Zelenyuk-Imre, and Q Zhang. 2017. "Recent advances in understanding secondary organic aerosol: implications for global climate forcing." Reviews of Geophysics 55(2):509-559.  doi:10.1002/2016RG000540
  • Shrivastava MKB, S Lou, A Zelenyuk-Imre, RC Easter, Jr, RA Corley, BD Thrall, PJ Rasch, JD Fast, SL Massey Simonich, H Shen, and S Tao. 2017. "Global Long-Range Transport and Lung Cancer Risk from Polycyclic Aromatic Hydrocarbons Shielded by Coatings of Organic Aerosol." Proceedings of the National Academy of Sciences of the United States of America 114(6):1246-1251.  doi:10.1073/pnas.1618475114
  • Viswanathan S, D Rothamer, A Zelenyuk-Imre, ML Stewart, and DM Bell. 2017. "Experimental investigation of the effect of inlet particle properties on the capture efficiency in an exhaust particulate filter." Journal of Aerosol Science 113:250-264.  doi:10.1016/j.jaerosci.2017.08.002
  • Viswanathan S, D Rothamer, DE Foster, TD Fansler, A Zelenyuk, ML Stewart, and DM Bell. 2017. "EVOLUTION OF DEEP BED FILTRATION OF ENGINE EXHAUST PARTICULATES WITH TRAPPED MASS." International Journal of Engine Research 18(5-6):543-559.  doi:10.1177/1468087416675094


  • Alexander JM, DM Bell, D Imre, P Kleiber, VH Grassian, and A Zelenyuk. 2016. "Measurement of Size-dependent Dynamic Shape Factors of Quartz Particles in Two Flow Regimes." Aerosol Science and Technology 50(8):870-879.  doi:10.1080/02786826.2016.1200006
  • Berg LK, JD Fast, JC Barnard, S Burton, B Cairns, D Chand, JM Comstock, S Dunagan, RA Ferrare, CJ Flynn, J Hair, CA Hostetler, JM Hubbe, A Jefferson, R Johnson, EI Kassianov, CD Kluzek, P Kollias, K Lamer, K Lantz, F Mei, MA Miller, J Michalsky, I Ortega, MS Pekour, R Rogers, P Russell, J Redemann, A Sedlacek, M Segal Rozenhaimer, B Schmid, JE Shilling, Y Shinozuka, SR Springston, JM Tomlinson, M Tyrrell, J Wilson, RM Volkamer, A Zelenyuk, and CM Berkowitz. 2016. "The Two-Column Aerosol Project: Phase I - Overview and Impact of Elevated Aerosol Layers on Aerosol Optical Depth." Journal of Geophysical Research. D. (Atmospheres) 121(1):336-361.  doi:10.1002/2015JD023848
  • Cappa C, KR Kolesar, X Zhang, DB Atkinson, MS Pekour, RA Zaveri, A Zelenyuk, and Q Zhang. 2016. "Understanding the Optical Properties of Ambient Sub- and Supermicron Particulate Matter: Results from the CARES 2010 Field Study in Northern California." Atmospheric Chemistry and Physics 16(10):6511-6535.  doi:10.5194/acp-16-6511-2016
  • Fast JD, LK Berg, K Zhang, RC Easter, Jr, RA Ferrare, J Hair, CA Hostetler, Y Liu, I Ortega, A Sedlacek, JE Shilling, MKB Shrivastava, SR Springston, JM Tomlinson, RM Volkamer, JM Wilson, RA Zaveri, and A Zelenyuk-Imre. 2016. "Model Representations of Aerosol Layers Transported from North America over the Atlantic Ocean during the Two-Column Aerosol Project." Journal of Geophysical Research. D. (Atmospheres) 121(16):9814-9848.  doi:10.1002/2016JD025248
  • Hiranuma N, O Mohler, GR Kulkarni, M Schnaiter, S Vogt, P Vochezer, E Jarvinen, R Wagner, DM Bell, JM Wilson, A Zelenyuk-Imre, and DJ Cziczo. 2016. "Development and characterization of an ice-selecting pumped counterflow virtual impactor (IS-PCVI) to study ice crystal residuals." Atmospheric Measurement Techniques 9(8):3817-3836.  doi:10.5194/amt-9-3817-2016
  • Kulkarni GR, S China, S Liu, MI Nandasiri, N Sharma, JM Wilson, AC Aiken, D Chand, A Laskin, C Mazzoleni, MS Pekour, JE Shilling, V Shutthanandan, A Zelenyuk, and RA Zaveri. 2016. "Ice nucleation activity of diesel soot particles at Cirrus relevant conditions: Effects of hydration, secondary organics coating, hydration, soot morphology, and coagulation." Geophysical Research Letters 43(7):3580-3588.  doi:10.1002/2016GL068707
  • Riva MN, DM Bell, AMK Hansen, GT Droza, Z Zhang, A Gold, D Imre, JD Surratt, M Glasius, and A Zelenyuk. 2016. "Effect of Organic Coatings, Humidity and Aerosol Acidity on Multiphase Chemistry of Isoprene Epoxydiols." Environmental Science & Technology 50(11):5580-5588.  doi:10.1021/acs.est.5b06050
  • Shrivastava MKB, C Zhao, RC Easter, Jr, Y Qian, A Zelenyuk, JD Fast, Y Liu, Q Zhang, and AB Guenther. 2016. "Sensitivity Analysis of simulated SOA loadings using a Variance-Based Statistical Approach." Journal of Advances in Modeling Earth Systems 8(2):499-519.  doi:10.1002/2015MS000554
  • Zamora LM, R Kahn, MJ Cubison, GS Diskin, JL Jimenez, Y Kondo, G McFarquhar, A Nenes, KL Thornhill, A Wisthaler, A Zelenyuk, and LD Ziemba. 2016. "Aircraft-measured indirect cloud effects from biomass burning smoke in the Arctic and subarctic." Atmospheric Chemistry and Physics 16(2):715-738.  doi:10.5194/acp-16-715-2016


  • Zelenyuk A, D Imre, JM Wilson, Z Zhang, J Wang, and K Mueller. 2015. "Airborne Single Particle Mass Spectrometers (SPLAT II & miniSPLAT) and New Software for Data Visualization and Analysis in a Geo-Spatial Context." Journal of the American Society for Mass Spectrometry 26(2):257-270.  doi:10.1007/s13361-014-1043-4
  • Atkinson DB, JG Radney, J Lum, KR Kolesar, DJ Cziczo, MS Pekour, Q Zhang, A Setyan, A Zelenyuk, and C Cappa. 2015. "Aerosol optical hygroscopicity measurements during the 2010 CARES Campaign." Atmospheric Chemistry and Physics 15(8):4045-4061.  doi:10.5194/acp-15-4045-2015
  • China S, GR Kulkarni, B Scarnatio, N Sharma, MS Pekour, JE Shilling, JM Wilson, A Zelenyuk, D Chand, S Liu, A Aiken, MK Dubey, A Laskin, RA Zaveri, and C Mazzoleni. 2015. "Morphology Of Diesel Soot Residuals From Supercooled Water Droplets And Ice Crystals: Implications For Optical Properties." Environmental Research Letters 10:114010.  doi:10.1088/1748-9326/10/11/114010
  • Kulkarni GR, MI Nandasiri, A Zelenyuk, J Beranek, N Madaan, A Devaraj, V Shutthanandan, S Thevuthasan, and T Varga. 2015. "Effects Of Crystallographic Properties On The Ice Nucleation Properties Of Volcanic Ash Particles." Geophysical Research Letters 42(8):3048-3055.  doi:10.1002/2015GL063270
  • Shrivastava MKB, RC Easter, Jr, X Liu, A Zelenyuk, B Singh, K Zhang, PL Ma, D Chand, SJ Ghan, JL Jiminez, Q Zhang, JD Fast, PJ Rasch, and P Tiitta. 2015. "Global transformation and fate of SOA: Implications of Low Volatility SOA and Gas-Phase Fragmentation Reactions ." Journal of Geophysical Research. D. (Atmospheres) 120(9):4169-4195.  doi:10.1002/2014JD022563
  • Wilson JM, D Imre, J Beranek, MKB Shrivastava, and A Zelenyuk. 2015. "Evaporation Kinetics of Laboratory Generated Secondary Organic Aerosols at Elevated Relative Humidity." Environmental Science & Technology 49(1):243-249.  doi:10.1021/es505331d


  • Dawson ML, ME Varner, VM Perraud, MJ Ezell, JM Wilson, A Zelenyuk, RB Gerber, and BJ Finlayson-Pitts. 2014. "Amine-Amine Exchange in Aminium-Methanesulfonate Aerosols." Journal of Physical Chemistry C 118(50):29431-29440.  doi:10.1021/jp506560w
  • Lee HJ, KT McDonnell, A Zelenyuk, D Imre, and K Mueller. 2014. "A Structure-Based Distance Metric for High-Dimensional Space Exploration with Multi-Dimensional Scaling." IEEE Transactions on Visualization and Computer Graphics 20(3):351-364.  doi:10.1109/TVCG.2013.101
  • Roldin P, AC Eriksson, EZ Nordin, E Hermansson, D Mogensen, A Rusanen, M Boy, E Swietlicki, B Svenningsson, A Zelenyuk, and J Pagels. 2014. "Modelling non-equilibrium secondary organic aerosol formation and evaporation with the aerosol dynamics, gas- and particle-phase chemistry kinetic multilayer model ADCHAM." Atmospheric Chemistry and Physics 14(15):7953-7993.  doi:10.5194/acp-14-7953-2014
  • Segal Rozenhaimer M, PB Russell, B Schmid, J Redemann, JM Livingston, CJ Flynn, RR Johnson, S Dunagan, Y Shinozuka, JR Herman, A Cede, N Abuhassan, JM Comstock, JM Hubbe, A Zelenyuk, and JM Wilson. 2014. "Tracking Elevated Pollution Layers with a Newly Developed Hyperspectral Sun/Sky Spectrometer (4STAR): Results from the TCAP 2012 and 2013 Campaigns." Journal of Geophysical Research. D. (Atmospheres) 119(5):2611-2628.  doi:10.1002/2013JD020884
  • Shantz NC, I Gultepe, E Andrews, A Zelenyuk, M Earle, AM MacDonald, PS Liu, and WR Leaitch. 2014. "Optical, physical, and chemical properties of springtime aerosol over Barrow Alaska in 2008." International Journal of Climatology 34(10):3125-3138.  doi:10.1002/joc.3898
  • Stewart ML, A Zelenyuk, F Gao, GG Muntean, CHF Peden, KG Rappe, J Szanyi, and K Howden. 2014. "CLEERS Aftertreatment Modeling and Analysis." Chapter III.3 in FY 2014 Progress Report for Advanced Combustion Engine Research and Development, vol. DOE/EE-1156, ed. G Singh, pp. III-13 - III-18.  US Department of Energy: Energy Efficiency and Renewable Energy, Vehicle Technologies Office, Washington, DC. 
  • Zelenyuk A, P Reitz, ML Stewart, D Imre, P Loeper, C Adams, M Andrie, D Rothamer, DE Foster, K Narayanaswamy, PM Najt, and AS Solomon. 2014. "Detailed Characterization of Particulates Emitted by Pre-Commercial Single-Cylinder Gasoline Compression Ignition Engine." Combustion and Flame 161(8):2151-2164.  doi:10.1016/j.combustflame.2014.01.011


  • Abramson EH, D Imre, J Beranek, J Wilson, and A Zelenyuk. 2013. "Experimental Determination of Chemical Diffusion within Secondary Organic Aerosol Particles." Physical Chemistry Chemical Physics. PCCP 15(8):2983-2991.  doi:10.1039/C2CP44013J
  • Friedman B, A Zelenyuk, J Beranek, GR Kulkarni, MS Pekour, AG Hallar, I McCubbin, JA Thornton, and DJ Cziczo. 2013. "Aerosol measurements at a high-elevation site: composition, size, and cloud condensation nuclei activity." Atmospheric Chemistry and Physics 13(23):11839-11851.  doi:10.5194/acp-13-11839-2013
  • Shrivastava MKB, A Zelenyuk, D Imre, RC Easter, Jr, J Beranek, RA Zaveri, and JD Fast. 2013. "Implications of Low Volatility SOA and Gas-Phase Fragmentation Reactions on SOA Loadings and their Spatial and Temporal Evolution in the Atmosphere." Journal of Geophysical Research. D. (Atmospheres) 118(8):3328-3342.  doi:10.1002/jgrd.50160
  • Stewart ML, A Zelenyuk, and K Howden. 2013. "Fuel-Neutral Studies of PM Transportation Emissions." Chapter III.13 in FY 2013 Progress Report for Advanced Combustion Engine Research and Development: Energy Efficiency and Renewable Energy Vehicle Technologies Office, vol. DOE/EE-0872, ed. G Singh, pp. III 71-III 76.  Department of Energy, Washington DC. 
  • Zhang Z, X Tong, KT McDonnell, A Zelenyuk, D Imre, and K Mueller. 2013. "An Interactive Visual Analytics Framework for Multi-Field Data in a Geo-Spatial Context." Tsinghua Science and Technology 18(2):111-124. 


  • Zelenyuk A, D Imre, J Beranek, EH Abramson, JM Wilson, and MKB Shrivastava. 2012. "Synergy between Secondary Organic Aerosols and Long Range Transport of Polycyclic Aromatic Hydrocarbons." Environmental Science & Technology 46(22):12459-12466.  doi:10.1021/es302743z
  • Beranek J, D Imre, and A Zelenyuk. 2012. "Real-time Shape-based Particle Separation and Detailed In-situ Particle Shape Characterization." Analytical Chemistry 84(3):1459-1465.  doi:10.1021/ac202235z
  • Blanchard J, DC Gerlach, RD Scheele, ML Stewart, BD Reid, PA Gauglitz, LM Bagaasen, CC Brown, C Iovin, CH Delegard, A Zelenyuk, EC Buck, BJ Riley, and CA Burns. 2012. Uranium Oxide Aerosol Transport in Porous GraphitePNNL-21014, Pacific Northwest National Laboratory, Richland, WA. 
  • Matthias N, C Farron, DE Foster, M Andrie, R Krieger, P Najt, K Narayanaswamy, A Solomon, and A Zelenyuk. 2012. "Particulate Matter Sampling and Volatile Organic Compound Removal for Characterization of Spark Ignited Direct Injection Engine Emissions." In SAE Technical Papers, pp. Paper No. 2011-01-2100.  SAE International, Warrendale, PA.  doi:10.4271/2011-01-2100
  • Matthias N, C Farron, DE Foster, M Andrie, R Krieger, P Najt, K Narayanaswamy, AS Solomon, and A Zelenyuk. 2012. "Particulate Matter Sampling and Volatile Organic Compound Removal for Characterization of Spark Ignited Direct Injection Engine Emissions ." SAE International Journal of Fuels and Lubricants 5(1):399-409. 
  • Matthias N, C Farron, DE Foster, M Andrie, R Krieger, PM Najt, K Narayanaswamy, AS Solomon, and A Zelenyuk. 2012. "Particulate Matter Sampling and Volatile Organic Compound Removal for Characterization of Spark Ignited Direct Injection Engine Emissions." SAE International Journal of Fuels and Lubricants 5(1):399-409.  doi:10.4271/2011-01-2100
  • Perraud VM, EA Bruns, MJ Ezell, SN Johnson, Y Yu, ML Alexander, A Zelenyuk, D Imre, WL Chang, D Dabdub, JF Pankow, and BJ Finlayson-Pitts. 2012. "Nonequilibrium Atmospheric Secondary Organic Aerosol Formation and Growth." Proceedings of the National Academy of Sciences of the United States of America 109(8):2836-2841.  doi:10.1073/pnas.1119909109
  • Shantz NC, I Gultepe, P Liu, M Earle, and A Zelenyuk. 2012. "Spatial and Temporal Variability of Aerosol Particles in Arctic Spring." Quarterly Journal of the Royal Meteorological Society 138(669):2229-2240.  doi:10.1002/qj.1940
  • Stewart ML, A Zelenyuk, and K Howden. 2012. "Fuel-Neutral Studies of PM Transportation Emissions." Chapter III.I0 in Advanced Combustion Engine Research and Development Vehicle Technologies Office 2012 Annual Progress Report, vol. DOE/EE-0872, ed. G Singh, pp. III-45 - III-49.  U.S. Department of Energy, Washington DC. 
  • Zaveri RA, WJ Shaw, DJ Cziczo, B Schmid, R Ferrare, ML Alexander, M Alexandrov, RJ Alvarez, WP Arnott, D Atkinson, S Baidar, RM Banta, JC Barnard, J Beranek, LK Berg, FJ Brechtel, WA Brewer, JF Cahill, B Cairns, CD Cappa, D Chand, S China, JM Comstock, MK Dubey, RC Easter, Jr, MH Erickson, JD Fast, C Floerchinger, BA Flowers, E Fortner, JS Gaffney, MK Gilles, K Gorkowski, WI Gustafson, Jr, MS Gyawali, J Hair, M Hardesty, JW Harworth, SC Herndon, N Hiranuma, CA Hostetler, JM Hubbe, JT Jayne, H Jeong, BT Jobson, EI Kassianov, LI Kleinman, CD Kluzek, B Knighton, KR Kolesar, C Kuang, A Kubatova, AO Langford, A Laskin, NS Laulainen, RD Marchbanks, C Mazzoleni, F Mei, RC Moffet, DA Nelson, M Obland, H Oetjen, TB Onasch, I Ortega, M Ottaviani, MS Pekour, KA Prather, JG Radney, R Rogers, SP Sandberg, A Sedlacek, C Senff, G Senum, A Setyan, JE Shilling, MKB Shrivastava, C Song, SR Springston, R Subramanian, K Suski, JM Tomlinson, RM Volkamer, HA Wallace, J Wang, AM Weickmann, DR Worsnop, XY Yu, A Zelenyuk, and Q Zhang. 2012. "Overview of the 2010 Carbonaceous Aerosols and Radiative Effects Study (CARES)." Atmospheric Chemistry and Physics 12(16):7647-7687.  doi:10.5194/acp-12-7647-2012


  • Earle M, PS Liu, JW Strapp, A Zelenyuk, D Imre, G McFarquhar, NC Shantz, and WR Leaitch. 2011. "Factors influencing the microphysics and radiative properties of liquid-dominated Arctic clouds: insight from observations of aerosol and clouds during ISDAC." Journal of Geophysical Research. D. (Atmospheres) 116:D00T09.  doi:10.1029/2011JD015887
  • Farron C, N Matthias, DE Foster, M Andrie, R Krieger, P Najt, K Narayanaswamy, A Solomon, and A Zelenyuk. 2011. "Particulate Characteristics for Varying Engine Operation in a Gasoline Spark Ignited, Direct Injection Engine." In SAE 2011 World COngress & Exhibition, April 12-14, 2011, Detroit, Michigan, no. Technical Paper No. 2011-01-0019, SAE International, Warrendale, PA.  doi:10.4271/2011-01-1220
  • Friedman BJ, GR Kulkarni, J Beranek, A Zelenyuk, JA Thornton, and DJ Cziczo. 2011. "Ice Nucleation and Droplet Formation by Bare and Coated Black Carbon Particles." Journal of Geophysical Research. D. (Atmospheres) 116:Article No. D17203.  doi:10.1029/2011jd015999
  • Friedman BJ, GR Kulkarni, J Beranek, A Zelenyuk, JA Thornton, and DJ Cziczo. 2011. "Ice Nucleation and Droplet Formation by Bare and Coated Soot Particles." Journal of Geophysical Research. D. (Atmospheres) 116:Article No. D17203.  doi:10.1029/2011JD015999
  • Liu X, S Xie, J Boyle, SA Klein, X Shi, Z Wang, W Lin, SJ Ghan, M Earle, P Liu, and A Zelenyuk. 2011. "Testing Cloud Microphysics Parameterizations in NCAR CAM5 with ISDAC and M-PACE Observations." Journal of Geophysical Research. D. (Atmospheres) 116:Article No: D00T11.  doi:10.1029/2011JD015889
  • McFarquhar G, SJ Ghan, J Verlinde, A Korolev, JW Strapp, B Schmid, JM Tomlinson, M Wolde, SD Brooks, DJ Cziczo, MK Dubey, PhD, J Fan, CJ Flynn, I Gultepe, JM Hubbe, MK Gilles, A Laskin, P Lawson, WR Leaitch, PS Liu, X Liu, D Lubin, C Mazzoleni, AM Macdonald, RC Moffet, H Morrison, M Ovchinnikov, MD Shupe, DD Turner, S Xie, A Zelenyuk, K Bae, M Freer, and A Glen. 2011. "Indirect and Semi-Direct Aerosol Campaign: The Impact of Arctic Aerosols on Clouds ." Bulletin of the American Meteorological Society 92(2):183 - 201.  doi:10.1175/2010BAMS2935.1
  • Vaden TD, D Imre, J Beranek, and A Zelenyuk. 2011. "Extending the Capabilities of Single Particle Mass Spectrometry: I. Measurements of Aerosol Number Concentration, Size Distribution, and Asphericity." Aerosol Science and Technology 45(1):113-124.  doi:10.1080/02786826.2010.526155
  • Vaden TD, D Imre, J Beranek, and A Zelenyuk. 2011. "Extending the Capabilities of Single Particle Mass Spectrometry: II. Measurements of Aerosol Particle Density without DMA." Aerosol Science and Technology 45(1):125-135.  doi:10.1080/02786826.2010.526156
  • Vaden TD, DG Imre, J Beranek, MKB Shrivastava, and A Zelenyuk. 2011. "Evaporation Kinetics and Phase of Laboratory and Ambient Secondary Organic Aerosol." Proceedings of the National Academy of Sciences of the United States of America 108(6):2190-2195.  doi:10.1073/pnas.1013391108


  • Zelenyuk A, D Imre, M Earle, RC Easter, Jr, A Korolev, WR Leaitch, P Liu, AM Macdonald, M Ovchinnikov, and W Strapp. 2010. "In-Situ Characterization of Cloud Condensation Nuclei, Interstitial, and background Particles using Single Particle Mass Spectrometer, SPLAT II." Analytical Chemistry 82(19):7943-7951.  doi:10.1021/ac1013892
  • Zelenyuk A, MJ Ezell, V Perraud, SN Johnson, E Bruns, Y Yu, D Imre, ML Alexander, and BJ Finlayson-Pitts. 2010. "Characterization of Organic Coatings on Hygroscopic Salt Particles and their Atmospheric Impacts." Atmospheric Environment 44(9):1209-1218.  doi:10.1016/j.atmosenv.2009.11.047
  • Bruns E, V Perraud, A Zelenyuk, MJ Ezell, SN Johnson, Y Yu, D Imre, BJ Finlayson-Pitts, and ML Alexander. 2010. "Comparison of FTIR and Particle Mass Spectrometry for the Measurement of Paticulate Organic Nitrates." Environmental Science & Technology 44(3):1056-1061.  doi:10.1021/es9029864
  • Ezell MJ, SN Johnson, Y Yu, V Perraud, E Bruns, ML Alexander, A Zelenyuk, D Dabdub, and BJ Finlayson-Pitts. 2010. "A New Aerosol Flow System for Photochemical and Thermal Studies of Tropospheric Aerosols." Aerosol Science and Technology 44(5):329-338.  doi:10.1080/02786821003639700
  • Stewart ML, TR Gallant, DH Kim, GD Maupin, and A Zelenyuk. 2010. Fuel Efficient Diesel Particulate Filter (DPF) Modeling and DevelopmentPNNL-19476, Pacific Northwest National Laboratory, Richland, WA. 
  • Vaden TD, C Song, RA Zaveri, D Imre, and A Zelenyuk. 2010. "Morphology of Mixed Primary and Secondary Organic Particles and the Adsorption of Spectator Organic Gases during Aerosol Formation." Proceedings of the National Academy of Sciences of the United States of America 107(15):6658-6663.  doi:10.1073/pnas.0911206107


  • Zelenyuk A, and D Imre. 2009. "Beyond single particle mass spectrometry: multidimensional characterisation of individual aerosol particles." International Reviews in Physical Chemistry 28(2):309-358. 
  • Zelenyuk A, J Yang, and DG Imre. 2009. "Comparison Between Mass Spectra of Individual Organic Particles Generated by UV Laser Ablation and in the IR/UV Two-Step Mode." International Journal of Mass Spectrometry 282(1-2):6-12. 
  • Zelenyuk A, J Yang, DG Imre, and EY Choi. 2009. "Achieving Size Independent Hit-Rate in Single Particle Mass Spectrometry." Aerosol Science and Technology 43(4):305-310. 
  • Zelenyuk A, J Yang, EY Choi, and DG Imre. 2009. "SPLAT II: An Aircraft Compatible, Ultra-Sensitive, High Precision Instrument for In-Situ Characterization of the Size and Composition of Fine and Ultrafine Particles." Aerosol Science and Technology 43(5):411-424. 
  • Devarakonda MN, DH Kim, JH Kwak, JH Lee, CHF Peden, ML Stewart, J Szanyi, RG Tonkyn, DN Tran, A Zelenyuk, and DR Herling. 2009. "CLEERS Aftertreatment Modeling and Analysis." Chapter II.B.1 in FY 2009 Progress Report for Advanced Combustion Engine Research and Development, pp. 155-163.  Energy Efficiency and Renewable Energy, Washington, D.C.. 
  • Yang J, M Stewart, GD Maupin, DR Herling, and A Zelenyuk. 2009. "Single Wall Diesel Particulate Filter (DPF) Filtration Efficiency Studies Using Laboratory Generated Particles." Chemical Engineering Science 64(8):1625-1634. 


  • Zelenyuk A, DG Imre, EJ Nam, Y Han, and K Mueller. 2008. "ClusterSculptor: Software for Expert-Steered Classification of Single Particle Mass Spectra." International Journal of Mass Spectrometry 275(1-3):1-10.  doi:10.1016/j.ijms.2008.04.033
  • Zelenyuk A, DG Imre, J Han, and S Oatis. 2008. "Simultaneous Measurements of Individual Ambient Particles Size, Composition, Effective Density, and Hygroscopicity." Analytical Chemistry 80(5):1401-1407.  doi:10.1021/ac701723v
  • Zelenyuk A, J Yang, C Song, RA Zaveri, and DG Imre. 2008. ""Depth-Profiling" and Quantitative Characterization of the Size, Composition, Shape, Density, and Morphology of Fine Particles with SPLAT, a Single-Particle Mass Spectrometer." Journal of Physical Chemistry A 112(4):669-677.  doi:10.1021/jp077308y
  • Zelenyuk A, J Yang, C Song, RA Zaveri, and DG Imre. 2008. "A New Real-Time Method for Determining Particles Sphericity and Density: Application to Secondary Organic Aerosol Formed by Ozonolysis of alpha-Pinene." Environmental Science & Technology 42(21):8033-8038.  doi:10.1021/es8013562
  • Yu Y, MJ Ezell, A Zelenyuk, DG Imre, ML Alexander, JV Ortega, B D'Anna, CW Harmon, S Johnson, and BJ Finlayson-Pitts. 2008. "Photooxidation of Alpha-Pinene at High Relative Humidity in the Presence of Increasing Concentrations of NOx." Atmospheric Environment 42(20):5044-5060.  doi:10.1016/j.atmosenv.2008.02.026
  • Yu Y, MJ Ezell, A Zelenyuk, DG Imre, ML Alexander, JV Ortega, JL Thomas, K Gogna, DJ Tobias, B D'Anna, CW Harmon, S Johnson, and BJ Finlayson-Pitts. 2008. "Nitrate Ion Photochemistry at Interfaces: A New Mechanism for Oxidation of alpha-Pinene." Physical Chemistry Chemical Physics. PCCP 10(21):3063-3071.  doi:10.1039/b719495a


  • Zelenyuk A, and DG Imre. 2007. "On the Effect of Particle Alignment in the DMA." Aerosol Science and Technology 41(2):112-124. 
  • Zelenyuk A, DG Imre, LA Cuadra-Rodriguez, and GB Ellison. 2007. "Measurements and Interpretation of the Effect of a Soluble Organic Surfactant on the Density, Shape and Water Uptake of Hygroscopic Particles." Journal of Aerosol Science 38(9):903-923. 
  • Song C, RA Zaveri, ML Alexander, JA Thornton, S Madronich, JV Ortega, A Zelenyuk, XY Yu, A Laskin, and AD Maughan. 2007. "Effect of Hydrophobic Primary Organic Aerosols on Secondary Organic Aerosol Formation from Ozonolysis of a-Pinene." Geophysical Research Letters 34(20):Paper # L20803.  doi:10.1029/2007GL030720


  • Zelenyuk A, DG Imre, and LA Cuadra-Rodriguez. 2006. "Evaporation of Water from Particles in the Aerodynamic Lens Inlet: An Experimental Study." Analytical Chemistry 78(19):6942-6947. 
  • Zelenyuk A, DG Imre, Y Cai, K Mueller, Y Han, and P Imrich. 2006. "SpectraMiner, an Interactive Data Mining and Visualization Software for Single Particle Mass Spectroscopy: A Laboratory Test Case." International Journal of Mass Spectrometry 258(1-3):58-73. 
  • Zelenyuk A, Y Cai, and DG Imre. 2006. "From Agglomerates of Spheres to Irregularly Shaped Particles: Determination of Dynamic Shape Factors from Measurements of Mobility and Vacuum Aerodynamic Diameters." Aerosol Science and Technology 40(3):197-217. 
  • Cai Y, A Zelenyuk, and DG Imre. 2006. "A High Resolution Study of the Effect of Morphology on the Mass Spectra of Single PSL Particles with Na-Containing Layers and Nodules." Aerosol Science and Technology 40(12):1111-1122.  doi:10.1080/02786820601001677


  • Zelenyuk A, and DG Imre. 2005. "Single Particle Laser Ablation Time-of-Flight Mass Spectrometer: An Introduction to SPLAT." Aerosol Science and Technology 39(6):554-568. 
  • Zelenyuk A, Y Cai, L Chieffo, and DG Imre. 2005. "High Precision Density Measurements of Single Particles: The Density of Metastable Phases." Aerosol Science and Technology 39(10):972-986. 

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