University of Minnesota
University of Minnesota: Department of Mechanical Engineering
http://www.me.umn.edu/

Particle Technology Laboratory - Publications (Last 5 years)

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PTL Index

 


2017 Publications

Cao, L. N. Y., Chen, S.-C., Fissan, H., Asbach, C., and Pui, D. Y. H. (2017). Development of a geometric surface area monitor (GSAM) for aerosol nanoparticles. Journal of Aerosol Science, doi: https://doi.org/10.1016/j.jaerosci.2017.09.013, PTL #1634.

Lee, H., Chen, S.-C., Kim, C.H., Westenburg, E., Moon, S.I., and D. Y. H. Pui (2017) "Evaluation of concentration measurement techniques of colloidal nanoparticles for microfiltration and ultrafiltration applications: Inductively coupled plasma-mass spectrometry, nanoparticle tracking analysis and electrospray-scanning mobility particle sizer," Separation and Purification Technology, 184, 34-42, https://doi.org/10.1016/j.seppur.2017.04.021, PTL#1633.

Ou, Q., Maricq. M.M. and D.Y.H. Pui, (2017) "Evaluation of metallic filter media for sub-micrometer soot particle removal at elevated temperature," Aerosol Sci. Technol., 1-10, doi:10.1080/02786826.2017.1349871, PTL#1632.

Lee, H., S. C. Chen, D. Segets, S. Süß, W. Peukert and D. Y. H. Pui, (2017) "Liquid filtration of nanoparticles through track-etched membrane filters under unfavorable and different ionic strength conditions: Experiments and modeling," J. Membrane Sci., 524, 682-690, doi: 10.1016/j.memsci.2016.11.023, PTL#1631.

Kim, C.H., Lee, H., Juelfs, A., Haynes, C.L. and D.Y.H. Pui, (2017) "The effect of filtered nanoparticles on changing gas filtration efficiency of granular activated carbons," Carbon, 121, 63-71, doi: 10.1016/j.carbon.2017.05.060, PTL#1630.

Chen, S., Q. Wang and D. R. Chen, (2017) "Effect of Pleat Shape on Reverse Pulsed-jet Cleaning of Filter Cartridges," Powder Technology, 305, 1-11, doi:10.1016/j.powtec.2016.09.013, PTL#1629.

Chen, S. and D. R. Chen, (2017) "Annular-Slit Nozzle for Reverse Flow Cleaning of Pleated Filter Cartridges," Separation and Purification Technology, 177, 182-191, doi:10.1016/j.seppur.2016.10.050, PTL#1628.


2016 Publications

Chen, S. and D. R. Chen, (2016) "Numerical Study of Reverse Multi-Pulsing Jet Cleaning for Pleated Cartridge Filters," Aerosol and Air Quality Research, 16, 1991-2002, doi: 10.4209/aaqr.2015.11.0645, PTL#1617.

Chen, S.C., Hu, Y., Pui, D.Y.H. and Wang, J. (2016) "Explicit expressions for the minimum efficiency and most penetrating particle size of Nuclepore filters," J. Aerosol Sci., 100:108-117, doi: 10.1016/j.jaerosci.2016.07.008. PTL#1627

Chen, S. C., D. Q. Chang, C. Pei, C. J. Tsai and D. Y. H. Pui, (2016) "Removal Efficiency of Bimodal PM2.5 and PM10 by Electret Respirators and Mechanical Engine Intake Filters," Aerosol and Air Quality Research, 16, 1722-1729, doi: 10.4209/aaqr.2015.08.0494, PTL#1621.

Chen, S. C., D. Segets, T. Y. Ling, W. Peukert and D. Y. H. Pui, (2016) "An Experimental Study of Ultrafiltration for Sub-10 nm Quantum Dots and Sub-150 Nanoparticles through PTFE membrane and Nuclepore Filters," J. Membrane Sci., 497, 153-161, doi: 10.1016/j.memsci.2015.09.022, PTL#1622.

Jen, C. N., R. Bachman, J. Zhao, P. H. McMurry and D. R. Hanson, (2016) "Diamine-sulfuric acid reactions are a potent source of new particle formation," Geophys. Res. Lett., 43, 867-873, doi:10.1002/2015GL066958, PTL#1624.

Kim, C. H., Y. T. Sul and D. Y. H. Pui, (2016) "Real-time and Online Screening Method for Materials Emitting Volatile Organic Compounds," J. Nanopart. Res., 18, 282, DOI: 10.1007/s11051-016-3598-4, PTL#1623.

Oberreit, D., V. K. Rawat, C. Larriba, H. Ouyang, P. H. McMurry and C. J. Hogan, (2016) "Analysis of Heterogeneous Water Vapor Uptake by Metal Iodide Cluster Ions via Differential Mobility Analysis-Mass Spectrometry," J. Chem. Phys., 143, 104204, doi: 10.1063/1.4930278, PTL#1620.

Pui, D.Y.H., Chen, S.C., Hu, S.C., R., Vijayakumar, and T.H. Kuehn (2016) “Cleanroom Design Guide: Section 1. Cleanroom Fundamentals,” ASHRAE Handbook, PTL#1626.

Pui, D. Y. H., J. Cao and J. Mandell, et al., (2016) "2nd UMN–CAS Bilateral Seminar on PM2.5 Science, Health Effects and Control Technologies, October 7–8, 2015 at 3M Innovation Center, Maplewood, MN, USA," Particuology, 27, 141-143, doi: 10.1016/j.partic.2016.05.001, PTL#1625.

Wang, Q., L. Golshahi and D. R. Chen, (2016) "Advanced Testing Method to Evaluate the Performance of Respirator Filter Media," J. Occup. Environ. Hyg., 13:10, 750-758, doi: 10.1080/15459624.2016.1177647, PTL#1618.

Wang, Q., X. Lin and D. R. Chen, (2016) "Effect of Dust Loading Rate on the Loading Characteristics of High Efficiency Filter Media," Powder Technology, 287, 20-28, doi: 10.1016/j.powtec.2015.09.032, PTL#1619.


2015 Publications

Cao, L. N. Y., J. Wang, H. Fissan, S. E. Pratsinis, M. L. Eggersdorfer and D. Y. H. Pui, (2015) "The Capacitance and Charge of Agglomerated Nanoparticles during Sintering," J. Aerosol Sci., 83, 1-11, DOI:10.1016/j.jaerosci.2015.01.002, PTL#1602.

Cao, Q., D. Y. H. Pui and W. Lipinski, (2015) "A Concept of a Novel Solar-Assisted Large-Scale Cleaning System (SALSCS) for Urban Air Remediation," Aerosol and Air Quality Research, 15, 1-10, doi: 10.4209/aaqr.2014.10.0246, PTL#1603.

Chang, D. Q., S. C. Chen, A. R. Fox, A. S. Viner and D. Y. H. Pui, (2015) "Penetration of Sub-50 nm Nanoparticles Through Electret HVAC Filters Used in Residence," Aerosol Sci. Technol., 49, 966-976, DOI: 10.1080/02786826.2015.1086723, PTL#1608.

Chen, R., X. F. Shi, R. Bai, W. Q. Rang, L. L. Huo, L. Zhao, D. X. Long and D. Y. H. C. Pui, C.Y., (2015) "Airborne Nanoparticle Pollution in a Wired Electrical Discharge Machining Workshop and Potential Health Risks," Aerosol and Air Quality Research, 15, 284-194, doi: 10.4209/aaqr.2014.09.0219, PTL#1609.

Chen, S. C., J. Wang, H. Fissan and D. Y. H. Pui, (2015) "Optimizing Filtration Experiments for Length and Fractal Dimension Characterization of Non-Spherical Particles," Aerosol Sci. Technol., 49:8, 547-555, doi: 10.1080/02786826.2015.1052038, PTL#1610.

Glasoe, W. A., K. Volz, B. Panta, N. Freshour, R. Bachman, D. Hanson, P. H. McMurry and C. Jen, (2015) "Sulfuric Acid Nucleation: An Experimental Study of the Effect of Seven Bases," J. Geophys. Res. Atmos., 120:5, 1933-1950, doi: 10.1002/2014JD022730, PTL#1604.

Gopalakrishnan, R., P. H. McMurry and C. J. Hogan, (2015) "The Bipolar Diffusion Charging of Nanoparticles: A Review and Development of Approaches for Non-Spherical Particles," Aerosol Sci. Technol., 49:12, 1181-1194, DOI: 10.1080/02786826.2015.1109053, PTL#1606.

Gopalakrishnan, R., P. H. McMurry and C. J. Hogan, (2015) "The Electrical Mobilities and Scalar Friction Factors of Modest-to-High Aspect Ratio Particles in the Transition Regime," J. Aerosol Sci., 82, 24-39, DOI: 10.1016/j.jaerosci.2015.01.001, PTL#1605.

Jen, C. N., D. R. Hanson and P. H. McMurry, (2015) "Toward Reconciling Measurements of Atmospherically Relevant Clusters by Chemical Ionization Mass Spectrometry and Mobility Classification/Vapor Condensation," Aerosol Sci. Technol., 49:1, i-iii, DOI: 10.1080/02786826.2014.1002602, PTL#1607.

Kim, C. H. and D. Y. H. Pui, (2015) "Experimental Study on the Filtration Efficiency of Activated Carbons for 3-30 nm Particles," Carbon, 93, 226-229, doi: 10.1016/j.carbon.2015.05.048, PTL#1611.

Kim, C. H., Z. Zuo, H. Finger, S. Haep, C. Asbach, H. Fissan and D. Y. H. Pui, (2015) "Soft-X-ray-Assisted Detection Method for Airborne Molecular Contaminations (AMCs)," J. Nanopart. Res., 17, 126-138, DOI: 10.1007/s11051-015-2936-2, PTL#1612.

Shi, X., R. Chen, L. L. Huo, L. Zhao, R. Bai, D. X. Long, D. Y. H. Pui, W. Q. Rang and C. Y. Chen, (2015) "Evaluation of Nanoparticles Emitted from Printers in a Clean Chamber, a Copy Center and Office Rooms: Health Risks of Indoor Air Quality," J. Nanosci. Nanotechnol., 15:12, 9554-9564, DOI: 10.1166/jnn.2015.10314, PTL#1613.

Thompson, D., S. C. Chen, J. Wang and D. Y. H. Pui, (2015) "Aerosol Emission Monitoring and Assessment of Potential Exposure to Multi-walled Carbon Nanotubes in the Manufacture of Polymer Nanocomposites," Ann. Occup. Hyg., 59:9, 1135-1151, doi: 10.1093/annhyg/mev044, PTL#1614.

Wang, J., Y. K. Bahk, S. C. Chen and D. Y. H. Pui, (2015) "Characteristics of Airborne Fractal-Like Agglomerates of Carbon Nanotubes," Carbon, 93, 441-450, doi: 10.1016/j.carbon.2015.05.079, PTL#1615.

Zuo, Z., T. H. Kuehn and D. Y. H. Pui, (2015) "Respirator Testing Using Virus Aerosol: Comparison between Viability Penetration and Physical Penetration," Ann. Occup. Hyg., 59:6, 812-816, doi:10.1093/annhyg/mev019, PTL#1616.


2014 Publications

Bahk, Y. K. and Wang, J. (2014) "Filtration and length determination of airborne carbon nanotubes in the submicrometer range using nanofiber filters," Aerosol and Air Quality Research, 14(5), 1352-1359, DOI: 10.4209/aaqr.2014.01.0025, PTL#1597.

Cao, J., Pui, D. Y. H., Kuehn, T. K., Tie, X., Ramachandran, G., Zhu, T., Wang, J. and Tao, W. (2014) "1st UMN-CAS Bilateral Seminar on PM2.5 Science, Health Effects and Control Technology Xi’an, China, May 27-28, 2014," Particuology, 16, 227-229, doi:10.1016/j.partic.2014.08.001, PTL#1593.

Chen, D. R. and Pui, D. Y. H. (2014) "Aerosol Instrumentation," Aerosol Science: Technology and Applications, 1st edition, Eds., Colbeck and Lazaridis, John Wiley & Sons, Ltd., 61-88, ISBN 978-1-119-97792-6, PTL#1582.

Chen, S.-C., Wang, J., Bahk, Y. K., Fissan, H. and Pui, D. Y. H. (2014) "Carbon Nanotube Penetration through Fiberglass and Electret Respirator Filter Media and Nuclepore Filter: Experiments and Models," Aerosol Sci. Technol., 48(10), 997-1008, DOI: 10.1080/02786826.2014.954028, PTL#1589.

Ge, S. (2014) "Viral Aerosol Survivability, Transmission, and Sampling in an Environmental Chamber," Mechanical Engineering PhD Thesis, University of Minnesota, 167 pgs, PTL#1587.

Ge, S., Kuehn, T. H., Abin, M., Verma, H., Bekele, A., Mor, S. K., Goyal, S. M., Appert, J., Raynor, P. C. and Zuo, Z. (2014) "Airborne Virus Survivability During Long-Term Sampling Using a Non-Viable Andersen Cascade Impactor in an Environmental Chamber," Aerosol Sci. Technol., 48(12), 1360-1368, DOI: 10.1080/02786826.2014.984800, PTL#1586.

Jen, C., P. H. McMurry, D. R., Hanson, 2014, "Stabilization of sulphuric acid dimers by ammonia, methylamine, dimethylamine, and trimethylamine," Journal of Geophysical Research 119(12):7502-7514, DOI:10.1002/2014JD021592, PTL#1600.

Jiang, J., Kim, C., Wang, X., R. Stolzenburg, M. R., Kaufman, S. L., Qi, C., Sem, G. J., Sakurai, H., Hama, N., and P. H. McMurry, 2014, "Aerosol Charge Fractions Downstream of Six Bipolar Chargers: Effects of Ion Source, Source Activity, and Flowrate," Aerosol Sci. Technol., 48:1207-1216, DOI:10.1080/02786826.2014.976333, PTL#1601.

Kim, K., Xiao, K., Kittelson, D. B. and Pui, D. Y. H. (2014) "Pressure Drop Hysteresis Effect on Biodiesel Filtration," Fuel, 115, 629-635, 635. doi:10.1016/j.fuel.2013.07.079, PTL#1592.

Kuo, Y.-Y., Bruno, F. C. and Wang, J. (2014) "Filtration performance against nanoparticles by electrospun Nylon-6 media containing ultrathin nanofibers," Aerosol Sci. Technol., 48(12), 1332-1344, DOI:10.1080/02786826.2014.985782 PTL#1596.

Li, L., Mulholland, G. W., Windmuller, L., Owen, M. C. and Pui, D. Y. H. (2014) "On the Feasibility of a Number Concentration Calibration Using a Wafer Surface Scanner," Aerosol Sci. Technol., 48, 747-757, doi: 10.1080/02786826.2014.922162, PTL#1594.

Lin, G. Y., Liao, B. X., Tzeng, N. J., Chen, C. W., Uang, S. N., Chen, S. C., Pui, D. Y. H. and Tsai, C. J. (2014) "The Effect of Nanoparticle Convection-Diffusion Loss on the Transfer Function of an Aerosol Particle Mass Analyzer," Aerosol Sci. Technol., 48(6), 583-592, doi: 10.1080/02786826.2014.902027, PTL#1595.

Lindquist, G. J., Pui, D. Y. H. and Hogan, C. J. (2014) "Porous Particulate Film Deposition in the Transition Regime," J. Aerosol Sci., 74, 42-51, doi:10.1016/j.jaerosci.2014.03.007, PTL#1591.

Oberreit, D. R, P. H. McMurry, C. J. Hogan, Jr., 2014, "Mobility Analysis of 2 nm to 11 nm Aerosol Particles with an Aspirating Drift Tube Ion Mobility Spectrometer," Aerosol Sci. Technol. 48(1): 108-118, doi:10.1080/02786826.2013.861893, PTL#1599.

Oberreit, D. R., P. H. McMurry, C. J. Hogan, 2014, "Analysis of heterogeneous uptake by nanoparticles via differential mobility analysis-drift tube ion mobility spectrometry," Physical Chemistry Chemical Physics, 16(15):6968-6979, doi: 10.1039/c3cp54842b, PTL#1598.

Pui, D. Y. H., Cao, J., An, Z. and Wang, J. (2014) "Great wall of solar panels to mitigate yellow dust storm," Particuology, 13, 146-150, doi:10.1016/j.partic.2014.03.002, PTL#1590.

Pui, D. Y. H., Chen, S.-C. and Zuo, Z. (2014) "PM2.5 in China: Measurements, sources, visibility and health effects, and mitigation," Particuology, 13, 1-26, DOI: 10.1016/j.partic.2013.11.001, PTL#1583.

Wang, J. and Tronville, P. (2014) "Toward standardized test methods to determine the effectiveness of filtration media against airborne nanoparticles," J. Nanopart. Res., 16, 2417, DOI 10.1007/s11051-014-2417-z, PTL#1585.

Zuo, Z. (2014) "Measurement and Filtration of Virus Aerosols," Mechanical Engineering PhD Thesis, Univeristy of Minnesota, 129 pgs, PTL#1588.

Zuo, Z., Kuehn, T. H., Bekele, A. Z., Mor., S. K., Verma, H., Goyal, S. M., Raynor, P. C. and Pui, D. H. Y. (2014) "Survival of Airborne MS2 Bacteriophage Generated from Human Saliva, Artificial Saliva, and Cell Culture Medium," Appl. Environ. Microbiology, 80(9), 2796-2803, doi:10.1128/AEM.00056-14, PTL#1584.


2013 Publications

Bzdek, B. R., Horan, A. J., Pennington, M. R., Depalma, J. W., Eichhorn, J., Zhao, J., Jen, C., Hanson, D. R., Smith, J. N., McMurry, P. H. and Johnston, M. V. (2013) "Quantitative and time-resolved nanoparticle composition measurements during new particle formation," Faraday Discuss., 165, 25-43, DOI: 10.1039/c3fd00039g, PTL#1578.

Chen, S.-C., Hsu, S.-C., Tsai, C.-J., Chou, C. C.-K., Lin, N.-H., Lee, C.-T., Roam, G.-D. and Pui, D. Y. H. (2013) "Dynamic variations of ultrafine, fine and coarse particles at the Lu-Lin background site in East Asia," Atmospheric Environment, 78, 154-162, doi:10.1016/j.atmosenv.2012.05.029, PTL#1580.

Chen, S.C., J. Wang, H. Fissan, D.Y.H. Pui (2013) "Use of Nuclepore Filters for Ambient and Workplace Nanoparticle Exposure Assessment – Spherical Particles," Atmospheric Environment 77:385-393, DOI:10.1016/j.atmosenv.2013.05.007, PTL#1572.

Chen, S.-C., Wang, J., Fissan, H. and Pui, D. Y. H. (2013) "Exposure assessment of nanosized engineered agglomerates and aggregates using Nuclepore filter," J. Nanopart. Res., 15, 1955, DOI 10.1007/s11051-013-1955-0, PTL#1581.

Jung, H., K. Han, G.W. Mulholland, D.Y.H. Pui, and J.H. Kim (2013) "Effect of the Surface Energy of Particle Materials on the Accommodation of Gas Molecules to the Particle Surface," J. Aerosol Sci. 65:42-48, PTL#1571.

Lance, S., Raatikainen, T. E., Onhasch, T., Worsnop, D. R., Yu, X.-Y., Alexander, M. L., Stolzenberg, M., McMurry, P. H., Smith, J. N. and Nenes, A. (2013) "Aerosol mixing state, hygroscopic growth and cloud activation efficiency during MIRAGE 2006," Atmos. Chem. Phys., 13, 5049-5062, doi:10.5194/acp-13-5049-2013, PTL#1577.

Ling, T.Y. and David Y.H. Pui (2013) "Characterization of Nanoparticles from Abrasive Waterjet Machining and Electrical Discharge Machining Processes" Environ. Sci. Technol. 2013, 47(22), 12721−12727, doi: 10.1021/es402593y, PTL# 1570.

Liu, J., Swanson, J., Kittelson, D.B., Pui, D.Y.H., and J. Wang (2013) "Microstructural and Loading Characteristics of Diesel Aggregate Cakes," Powder Technology, 244-251, http://dx.doi.org/10.1016/j.powtec.2013.03.028, PTL#1574.

Pagels, J., Dutcher, D. D., Stolzenburg, M. R., McMurry, P. H., Galli, M. E. and Gross, D. S. (2013) "Fine-particle emissions from solid biofuel combustion studied with single-particle mass spectrometry: Identification of markers for organics, soot, and ash components," J. Geophys. Res., 118, 859-870, doi:10.1029/2012JD018389, PTL#1576.

Rocklage, J.M., Marple, V.A., Olson, B.A. (2013) "Study of Secondary Deposits in Multiple Round Nozzle Impactors," Aerosol Sci. and Tech, 47:1144–1151, DOI: 10.1080/02786826.2013.823641, PTL#1575.

Wang, J. and Pui, D. Y. H. (2013) "Dispersion and Filtration of Carbon Nanotubes (CNTs) and Measurement of Nanoparticle Agglomerates in Diesel Exhaust," Chem. Engin. Sci., 85, 69-76, doi:10.1016/j.ces.2011.12.045, PTL#1566.

Wang, J., Thompson, D. and Pui, D. Y. H. (2013) "Integrative filtration research and sustainable nanotechnology," J. Particuology 11, 5-13, http://dx.doi.org/10.1016/j.partic.2012.06.004, PTL#1567.

Xiao, K., Pei, C., Swanson, J., Kittelson, D., Pui, D.Y.H. (2013) "An Aerosolization Method for Characterizing Particle Contaminants in Diesel Fuel," SAE Int. J. Fuels Lubr. 6(3):2013, doi:10.4271/2013-01-2668, PTL#1569.

Zhao, J., Ortega, J., Chen, M., McMurry, P. H. and Smith, J. N. (2013) "Dependence of nucleation and growth on high molecular weight gas phase products during ozonolysis of a-pinene," Atmos. Chem. Phys., 13, 7631-7644, doi:10.5194/acp-13-7631-2013, PTL#1579.

Zuo, Z., Kuehn, T. H. and Pui, D. Y. H. (2013) "Performance evaluation of filtering facepiece respirators using virus aerosols," Am. J. Infect. Control, 41, 80-82, DOI:10.1016/ajic.2012.01.010, PTL#1545.

Zuo, Z., Kuehn, T. H., Goyal, S. M. and Pui, D. Y. H. (2013) "Comparison of Spike and Aerosol Challenge Tests for the Recovery of viable influenza virus from non-woven fabrics," Influenza and Other Respiratory Viruses, 8pp, doi:10.1111/irv.12095, PTL#1568.

Zuo, Z., T.H. Kuehn, H. Verma, S. Kumar, S.M. Goyal, J. Appert, P.C. Raynor, S. Ge and D.Y.H. Pui (2013) "Association of Airborne Virus Infectivity and Survivability with its Carrier Particle Size," Aerosol Sci. Technol. 47:373-382, DOI: 10.1080/02786826.2012.754841, PTL#1573.

2012 Publications

Zollner, J. H., Glascoe, W. A., Panta, B., Carlson, K. K., McMurry, P. H. and Hanson, D. R. (2012) "Sulfuric acid nucleation: power dependencies, variation with relative humidity, and effect of bases," Atmos. Chem. Phys., 12, 4399-4411, doi: 10.5194/acp-12-1-2012, PTL#1564.

Xiao, K., Swanson, J., Pui, D. Y. H. and Kittelson, D. B. (2012) "Bipolar Diffusion Charging of Aggregates," Aerosol Sci. Technol., 46(7), 794-803, doi: 10.1080/02786826.2012.667585, PTL#1555.

Winkler, P. M., Ortega, J., Karl, T., Cappellin, L., Friedli, H. R., McMurry, P. H. and Smith, J. N. (2012) "Identification of the biogenic compounds responsible for size-dependent nanoparticle growth," Geophysical Research Letters, 39, L20815, doi:10.1029/2012GL053253, PTL#1563.

Wiedensohler, A., Birmili, W., Nowak, A., Sonntag, A., Weinhold, K., Merkel, M., Wehner, B., Tuch, T., Pfeifer, S., Fiebig, M., Fjaraa, A. M., Asmi, E., Sellegri, K., Depuy, R., Venzac, H., Villani, P., Laj, P., Aalto, P., Ogren, J. A., Swietlicki, E., Williams, P., Roldin, P., Quincey, P., Hüglin, C., Fierz-Schmidhauser, R., Gysel, M., Weingärtner, E., Riccobono, F., Santos, S., Grüning, C., Faloon, K., Beddows, D., Harrison, R., Monahan, C., Jennings, S. G., O'dowd, C. D., Marioni, A., Horn, H.-G., Keck, L., Jiang, J., Scheckman, J., McMurry, P. H., Deng, Z., Zhao, C. S., Moerman, M., Henzing, B., De Leeuw, G., Loschau, G. and Bastian, S. (2012) "Mobility particle size spectrometers: harmonization of technical standards and data structure to facilitate high quality long-term observations of atmospheric particle number size distributions," Atmos. Meas. Tech., 5, 657-685, doi:10.5194/amt-5-657-2012, PTL#1562.

Wang, J., Asbach, C., Fissan, H., Hulser, T., Kaminski, H., Kuhlbusch, T. A. J. and Pui, D. Y. H. (2012) "Emission Measurement and Safety Assessment for the Production Process of Silicon Nanoparticles in a Pilot-scale Facility," J. Nanopart. Res., 14, 759, doi: 10.1007/s11051-012-0759-y, PTL#1554.

Thajudeen, T. and Hogan, C. J., 2012: First-Passage Calculation of the Conductivity of Particle Aggregate-Laden Suspensions and Composites. Powder Technology, 218, 31-39, PTL#1544.

Shapiro, M., Vainshtein, P., Dutcher, D., Emery, M., Stolzenburg, M., Kittelson, D. B. and McMurry, P. H. (2012) "Morphology characterization of diesel exhaust agglomerates by mobility, vacuum aerodynamic diameter and mass," J. Aerosol Sci., 44, 24-45, doi:10.1016/j.jaerosci.2011.08.004, PTL#1561.

Park, J. Y., McMurry, P. H. and Park, K. (2012) "Production of residue-free nanoparticles by atomization of aqueous solutions," Aerosol Sci. Technol., 46(3), 354-360, doi: 10.1080/02786826.2011.631614, PTL#1560.

Liu, Z., Swanson, J., Kittelson, D. B. and Pui, D. Y. H. (2012) "Comparison of Methods for On-Line Measurement of Diesel Particulate Matter," Environ. Sci. Technol, 46(11), 6127- 6133, doi: 10.1021/es3003537, PTL#1565.

Liu, Z., Kim, S. C., Wang, J., Shin, W. G., Fissan, H. and Pui, D. Y. H. (2012) "Measurement of Metal Nanoparticle Agglomerates Generated by Spark Discharge using the Universal Nanoparticle Analyzer (UNPA)," Aerosol Sci. Technol., 46, 333-346, doi: 10.1080/02786826.2011.626002, PTL#1553.

Ling, T. Y., Wang, J. and Pui, D. Y. H. (2012) "Numerical modeling of nanoparticle penetration through personal protective garments," Separation and Purification Technology, 98, 230-239, http://dx.doi.org/10.1016/j_seppur.2012.07.015, PTL#1550.

Li, L., Zuo, Z., Japuntich, D. A. and Pui, D. Y. H. (2012) "Evaluation of filter media for particle number, surface area and mass penetrations," Ann. Occup. Hyg., 56, 581-594, doi: 10.1093/annhyg/mes034, PTL#1551.

Kuehn, T., Marple, V.A. and Olson, B.A. (2012) "Development of a calibration reference device for use with test standard ANSI/ASHRAE 52.2-2007 (RP-1466), HVAC&R Research, 18(4), 812-830, doi: 10.1080/10789669.2012.690708, PTL#1546.

Kuang, C., Chen, M. M., P.H. and Wang, J. (2012) "Modification of Laminar Flow Ultrafine Condensation Particle Counters for the Enhanced Detection of 1 nm Condensation Nuclei," Aerosol Sci. Technol., 46(3), 309-315, doi: 10.1080/02786826.2011.626815, PTL#1559.

Jung, H., Mulholland, G. W., Pui, D. Y. H. and Kim, J. H. (2012) "Re-evaluation of the slip correction parameter of certified PSL spheres using a nanometer differential mobility analyzer (NDMA)," J. Aerosol Sci., 51, 24-34, doi:10.1016/j.jaerosci.2012.04.005, PTL#1552.

Gopalakrishnan, R. and C. J. Hogan, 2012: Coulomb-Influenced Collisions in Aerosols and Dusty Plasmas. Phys. Rev. E., 85, 026410, PTL#1542.

Eggersdorfer, M. L., Gröhn, A. J., Sorensen, C. M., McMurry, P. H. and Pratsinis, S. E. (2012) "Mass-mobility characterization of flame-made ZrO2 aerosols: Primary particle diameter and extent of aggregation," J. Colloid Interface Sci., 385, 12-23, doi:10.1016/j.jcis.2012.07.078, PTL#1558.

Chen, M., Titcombe, M., Jiang, J., Jen, C., Kuang, C., Fischer, M. L., Eisele, F. L., Siepmann, J. I., Hanson, D. R., Zhao, J. and McMurry, P. H. (2012) "An acid-base chemical reaction model for nucleation rates in the polluted atmospheric boundary layer," Proceedings of the National Academy of Sciences, 109(46), 6pp, doi: 10.1073/pnas.1210285109, PTL#1557.

Appert, J., P. C. Raynor, M. Abin, Y. Chandler, S. Goyal, Z. Zuo, S. Ge, and T. H. Kuehn, 2012: Influence of Suspending Liquid, Impactor Type, and Substrate on Size Selective Sampling of MS2 and Adenovirus Aerosols. Aerosol Sci. Technol., 46, 249-257, PTL#1541.