Publications

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ToF-CIMS / APi-TOF



    


  1. A high-resolution mass spectrometer to measure atmospheric ion composition Junninen, H., Ehn, M., Petäjä, T., Luosujärvi, L., Kotiaho, T., Kostiainen, R., Rohner, U., Gonin, M., Fuhrer, K., Kulmala, M., and Worsnop, D. R.: , Atmos. Meas. Tech., 3, 1039-1053, doi:10.5194/amt-3-1039-2010, 2010. 
  2. Composition and temporal behavior of ambient ions in the boreal forest, Ehn, M., Junninen, H., Petäjä, T., Kurtén, T., Kerminen, V.-M., Schobesberger, S., Manninen, H. E., Ortega, I. K., Vehkamäki, H., Kulmala, M., and Worsnop, D. R.:  Atmos. Chem. Phys., 10, 8513-8530, doi:10.5194/acp-10-8513-2010, 2010.
  3. An instrumental comparison of mobility and mass measurements of atmospheric small ions Ehn, M., Junninen, H., Schobesberger, S., Manninen, H. E., Franchin, A., Sipilä, M., Petäjä, T., Kerminen, V.-M., Tammet, H., Mirme, A., Mirme, S., Hõrrak, U., Kulmala, M., and Worsnop, D. R. .  Aerosol Sci. Tech., 45, 499-509, doi: 10.1080/02786826.2010.547890, 2011.
  4. A field-deployable chemical ionization time-of-flight mass spectrometer Bertram, T. H., Kimmel, J. R., Crisp, T. A., Ryder, O. S., Yatavelli, R. L. N., Thornton, J. A., Cubison, M. J., Gonin, M., and Worsnop, D. R.: , Atmos. Meas. Tech., 4, 1471-1479. doi:10.5194/amt-4-1471-2011, 2011. 
  5. Gas phase formation of extremely oxidized pinene reaction products in chamber and ambient airEhn, M., Kleist, E., Junninen, H., Petäjä, T., Lönn, G., Schobesberger, S., Dal Maso, M., Trimborn, A., Kulmala, M., Worsnop, D. R., Wahner, A., Wildt, J., and Mentel, Th. F.: , Atmos. Chem. Phys., 12, 5113-5127, doi:10.5194/acp-12-5113-2012, 2012.
  6. Atmospheric sulphuric acid and neutral cluster measurements using CI-APi-TOF Jokinen, T., Sipilä, M., Junninen, H., Ehn, M., Lönn, G., Hakala, J., Petäjä, T., Mauldin III, R. L., Kulmala, M., and Worsnop, D. R.: , Atmos. Chem. Phys., 12, 4117-4125, doi:10.5194/acp-12-4117-2012, 2012. 
  7. Development of a field-deployable, chemical ionization, high-resolution time-of-flight mass spectrometer coupled to a micro orifice volatilization impactor (MOVI-HRToF-CIMS) for analysis of gas and particle-phase organic species Yatavelli, R. L. N., F. Lopez-Hilfiker, J. A. Wargo, J. R. Kimmel, T. H. Bertram, M. J. Cubison, J. L. Jimenez, M. Gonin, D. R. Worsnop, and J. A. Thornton.: , AS&T, 46, 1313-1327, 2012. 
  8. Analysis of secondary organic aerosol formation and aging using positive matrix factorization of high-resolution aerosol mass spectra: application to the dodecane low-NOx system Craven, J. S., Yee, L. D., Ng, N. L., Canagaratna, M. R., Loza, C. L., Schilling, K. A., Yatavelli, R. L. N., Thornton, J. A., Ziemann, P. J., Flagan, R. C., Seinfeld, J. H.:, Atmos. Chem. Phys., 12, 11795-11817, doi:10.5194/acp-12-11795-2012, 2012. 
  9. Contribution of Nitrated Phenols to Wood Burning Brown Carbon Light Absorption in Detling, United Kingdom during Winter Time Mohr, C. et al.: . ES&T 47, 6316-6324, 2013. 
  10. High-resolution chemical ionization mass spectrometry (ToF-CIMS): application to study SOA composition and processing Aljawhary, D., Lee, A. K. Y., and Abbatt, J. P. D.: , Atmos. Meas. Tech. 6, 3211-3224, doi:10.5194/amt-6-3211-2013, 2013.
  11. Molecular Understanding of Sulphuric Acid-Amine Particle Nucleation RatesAlmeida, J, et al, Nature, 502, 359, doi:10.1038/nature12663 2013.
  12. Direct Observations of Atmospheric Aerosol Nucleation Kulmala, M., Kontkanen, J., Junninen, H., Lehtipalo, K., Manninen, H. E., Nieminen, T., Petäjä, T., Sipilä, M., Schobesberger, S., Rantala, P.,  Franchin, A., Jokinen, T., Järvinen, E., Äijälä, M., Kangasluoma, J., Hakala, J., Aalto, P. P., Paasonen, P., Mikkilä, J., Vanhanen, J., Aalto, J., Hakola, H., Makkonen, R., Ruuskanen, T., Mauldin III, R. L., Duplissy, J., Vehkamäki, H., Bäck, J., Kortelainen, A., Riipinen, I.,  Kurten, T., Johnston, M. V., Smith, J. N., Ehn, M., Mentel, Th. F., Lehtinen, K. E. J., Laaksonen, A., Kerminen, V-M., and Worsnop, D. R.: , Science, 339, 943-946, 2013.
  13. Molecular understanding of atmospheric particle formation from sulfuric acid and large oxidized organic molecules Schobesberger, S., Junninen, H., Bianchi, F., Lönn, G., Ehn, M., Lehtipalo, K., Dommen, J.,  Ehrhart, S., Ortega, I.K., Franchin, A., Nieminen, T., Riccobono, F., Hutterli, M., Duplissy, J., Almeida, J., Amorim, A., Breitenlechner, M., Downard, A.J. ., Dunne, E., Flagan, R.C., Kajos, M., Keskinen, H., Kirkby, J., Kupc, A., Kürten, A., Kurtén, T., Laaksonen, A., Mathot, S., Onnela, A., Praplan, A.P. ., Rondo, L., Santos, F.D., Schallhart, S., Schnitzhofer, R., Sipilä, M., Tomé, A., Tsagkogeorgas, G., Vehkamäki, H., Wimmer, D., Baltensperger, U., Carslaw, K.S., Curtius, J., Hansel, A., Petäjä, T., Kulmala, M., Donahue, N.M., and Worsnop, D.R.: , P. Natl. Acad. Sci., published ahead of print October 7, 2013, doi:10.1073/pnas.1306973110, 2013.
  14. Semicontinuous measurements of gas–particle partitioning of organic acids in a ponderosa pine forest using a MOVI-HRToF-CIMS Yatavelli, R. L. N., Stark, H., Thompson, S. L., Kimmel, J. R., Cubison, M. J., Day, D. A., Campuzano-Jost, P., Palm, B. B., Hodzic, A., Thornton, J. A., Jayne, J. T., Worsnop, D. R., and Jimenez, J. L.: , Atmos. Chem. Phys., 14, 1527-1546, doi:10.5194/acp-14-1527-2014, 2014.
  15. A large source of low-volatility secondary organic aerosol Ehn, M. et al,  Nature 506, 476–479 doi:10.1038/nature13032
  16. A novel method for on-line analysis of gas and particle composition: description and evaluation of a Filter Inlet for Gases and AEROsols (FIGAERO) Lopez-Hilfiker, F. D., Mohr, C., Ehn, M., Rubach, F., Kleist, E., Wildt, J., Mentel, T. F., Lutz, A., Hallquist, M., Worsnop, D., and Thornton, J. A.: , Atmos. Meas. Tech., 7, 983-1001, doi:10.5194/amt-7-983-2014, 2014.
  17. A controlling role for the air−sea interface in the chemical processing of reactive nitrogen in the coastal marine boundary layer Kim, M. J., Farmer, D. K., Bertram, T. H., Proc Nat Acad Sci, 111, 11, 3942-48, doi: 10.1073/pnas.1318694111, 2014.
  18. An Iodide-Adduct High-Resolution Time-of-Flight Chemical-Ionization Mass Spectrometer: Application to Atmospheric Inorganic and Organic Compounds Lee, B. H., Lopez-Hilfiker, F., Mohr, C. Kurtén, T. C., Worsnop, D., Thornton, J. A., Environmental Science & Technology, 19, 11, 6897-6915.  DOI: 10.1002/2013JD020992, 2014.
  19. Observations of gas-phase hydrochloric acid in the polluted marine boundary layer, Crisp, T. A., Lerner, B. M., William, E. J., Quinn, P. K., Bates, T. S., Bertram, T. H., Journal of Geophysical Research Atmospheres, 119, 11, 6897-6915, DOI: 10.1002/2013JD020992  2014
  20.  On the composition of ammonia-sulfuric acid clusters during aerosol particle formation,  Schobesberger, S., et al. Atmos. Chem. Phys. Discuss., 14, 13413-13464, 2014 doi:10.5194/acpd-14-13413-2014 2014
  21. Chemistry of α-pinene and naphthalene oxidation products generated in a Potential Aerosol Mass (PAM) chamber as measured by acetate chemical ionization mass spectrometry P. S. Chhabra, A. T. Lambe, M. R. Canagaratna, H. Stark, J. T. Jayne, T. B. Onasch, P. Davidovits, J. R. Kimmel, and D. R. Worsnop, Atmos. Meas. Tech. Discuss., 7, 6385-6429, doi:10.5194/amtd-7-6385-2014 2014
  22. Aqueous-phase photooxidation of levoglucosan – a mechanistic study using aerosol time-of-flight chemical ionization mass spectrometry (Aerosol ToF-CIMS) R. Zhao, E. L. Mungall, A. K. Y. Lee, D. Aljawhary, and J. P. D. Abbatt, Atmos. Chem. Phys., 14, 9695-9706, 2014, doi:10.5194/acp-14-9695-2014, 2014.
  23. Real-Time Emission Factor Measurements of Isocyanic Acid from Light Duty Gasoline Vehicles J. M. Brady, T. A. Crisp, S. Collier, T. Kuwayama, S. D. Forestieri, V. Perraud, Q. Zhang, M. J. Kleeman, C. D. Cappa, and T. H. Bertram Environ. Sci. Technol., 48 (19), 11405–11412 DOI: 10.1021/es504354p, 2014.
  24. Insight into Acid–Base Nucleation Experiments by Comparison of the Chemical Composition of Positive, Negative, and Neutral Clusters F Bianchi, A P. Praplan, N Sarnela, J Dommen, A Kürten, I K. Ortega, S Schobesberger, H Junninen, M Simon, J. Tröstl, T. Jokinen, M. Sipilä, A. Adamov, A. Amorim, J. Almeida, M. Breitenlechner, J. Duplissy, S. Ehrhart, R. C. Flagan, A. Franchin, J. Hakala, A. Hansel, M. Heinritzi, J. Kangasluoma, H. Keskinen, J. Kim, J. Kirkby, A. Laaksonen, M. J. Lawler, K. Lehtipalo, M. Leiminger, V. Makhmutov, S. Mathot, A. Onnela, T. Petäjä, F. Riccobono, M. P. Rissanen, L. Rondo, A. Tomé, A. Virtanen, Y. Viisanen, C. Williamson, D. Wimmer, P. M. Winkler, P. Ye, J. Curtius, M. Kulmala, D. R. Worsnop, N. M. Donahue, and U. Baltensperger Environ. Sci. Technol.,  48 (23), 13675-13684.  DOI: 10.1021/es502380b, 2014.
  25. Rapid Autoxidation Forms Highly Oxidized RO2 Radicals in the Atmosphere Jokinen, T., Sipilä, M., Richters, S., Kerminen, V.-M., Paasonen, P., Stratmann, F., Worsnop, D., Kulmala, M., Ehn, M., Herrmann, H. and Berndt, T.  Angew. Chem. Int. Ed., 53: 14596–14600. doi: 10.1002/anie.201408566, 2014.
  26. The Formation of Highly Oxidized Multifunctional Products in the Ozonolysis of CyclohexeneM. P. Rissanen, T. Kurtén, M. Sipilä, J. A. Thornton, J. Kangasluoma, N. Sarnela, H. Junninen, S. Jørgensen, S. Schallhart, M. K. Kajos, R. Taipale, M. Springer, T. F. Mentel, T. Ruuskanen, T. Petäjä, D. R. Worsnop, H. G. Kjaergaard, and M. Ehn, J. Am. Chem. Soc., 136 (44), pp 15596–15606, DOI: 10.1021/ja507146s, 2014.
  27. Reactive Uptake of an Isoprene-Derived Epoxydiol to Submicron Aerosol ParticlesC. J. Gaston, T. P. Riedel, Z. Zhang, A. Gold, J. D. Surratt, and J. A. Thornton, Environ. Sci. Technol., 48 (19), pp 11178–11186. 2014
  28. Neutral molecular cluster formation of sulfuric acid-dimethylamine observed in real-time under atmospheric conditions Kürten, A., Jokinen, T., Simon, M., Sipilä, M., Sarnela, N., Junninen, H., Adamov, A., Almeida, J., Amorim, A., Bianchi, F., Breitenlechner, M., Dommen, J., Donahue, N. M., Duplissy, J., Ehrhart, S., Flagan, R. C., Franchin, A., Hakala, J., Hansel, A., Heinritzi, M., Hutterli, M., Kangasluoma, J., Kirkby, J., Laaksonen, A., Lehtipalo, K., Leiminger, M., Makhmutov, V., Mathot, S., Onnela, A., Petäjä, T., Praplan, A. P., Riccobono, F., Rissanen, M. P., Rondo, L., Schobesberger, S., Seinfeld, J. H., Steiner, G., Tomé, A., Tröstl, J., Winkler, P. M., Williamson, C., Wimmer, D., Ye, P., Baltensperger, U., Carslaw, K. S., Kulmala, M., Worsnop, D. R., and Curtius, J.: , P. Natl. Acad. Sci. USA, 111, 15019–15024, doi: 10.1073/pnas.1404853111, 2014. 
  29. On the primary emission of formic acid from light duty gasoline vehicles and ocean-going vessels, Timia A. Crisp, James M. Brady, Christopher D. Cappa, Sonya Collier, Sara D. Forestieri, Michael J. Kleeman, Toshihiro Kuwayama, Brian M. Lerner, Eric J. Williams, Qi Zhang, Timothy H. Bertram, Atmos. Env., 98, 426-433, doi:10.1016/j.atmosenv.2014.08.070, 2014.
  30. Effects of Chemical Complexity on the Autoxidation Mechanisms of Endocyclic Alkene Ozonolysis Products: From Methylcyclohexenes toward Understanding α-PineneM. P. Rissanen, T. Kurtén, M. Sipilä, J. A. Thornton, O. Kausiala, O. Garmash, H. G. Kjaergaard, T. Petäjä, D. R. Worsnop, M. Ehn, and M. Kulmala, J. Phys. Chem. A,  119 (19), pp 4633–4650. DOI: 10.1021/jp510966g, 2015.
  31. Examining the effects of anthropogenic emissions on isoprene-derived secondary organic aerosol formation during the 2013 Southern Oxidant and Aerosol Study (SOAS) at the Look Rock, Tennessee ground site Budisulistiorini, S. H., Li, X., Bairai, S. T., Renfro, J., Liu, Y., Liu, Y. J., McKinney, K. A., Martin, S. T., McNeill, V. F., Pye, H. O. T., Nenes, A., Neff, M. E., Stone, E. A., Mueller, S., Knote, C., Shaw, S. L., Zhang, Z., Gold, A., and Surratt, J. D.  Atmos. Chem. Phys., 15, 8871-8888, doi:10.5194/acp-15-8871-2015, 2015.
  32. Bacteria-driven production of alkyl nitrates in seawater, Kim, M. J., Michaud, J. M., Williams, R., Sherwood, B. P., Pomeroy, R., Azam, F., Burkart, M., and T. H. Bertram, GRL, 42, 2, 597-604, doi: 10.1002/2014GL062865, 2015.
  33. Measurement of Atmospheric Amines and Ammonia Using the High Resolution Time-of-Flight Chemical Ionization Mass Spectrometry J. Zheng, Yan Ma, M. Chen, Q. Zhang, L. Wang, A. F. Khalizov, L. Yao, Z. Wang, X. Wang, Lin xi Chen Atmospheric Environment, Atmospheric Environment, 102, 249-259.  DOI:10.1016/j.atmosenv.2014.12.002 2015
  34. Application of high-resolution time-of-flight chemical ionization mass spectrometry measurements to estimate volatility distributions of α-pinene and naphthalene oxidation products Chhabra, P. S., Lambe, A. T., Canagaratna, M. R., Stark, H., Jayne, J. T., Onasch, T. B., Davidovits, P., Kimmel, J. R., and Worsnop, D. R., Atmos. Meas. Tech., 8, 1-18, doi:10.5194/amt-8-1-2015, 2015.
  35. Heterogeneous Reactions of Isoprene-Derived Epoxides: Reaction Probabilities and Molar Secondary Organic Aerosol Yield Estimates T. P. Riedel, Y.-H. Lin, S. H. Budisulistiorini, C. J. Gaston, J. A. Thornton, Z. Zhang, W. Vizuete, A. Gold, and J. D. Surratt Environ. Sci. Technol. Lett., 2015, 2 (2), pp 38–42 DOI: 10.1021/ez500406f, 2015
  36. A switchable reagent ion high resolution time-of-flight chemical ionization mass spectrometer for real-time measurement of gas phase oxidized species: characterization from the 2013 Southern Oxidant and Aerosol Study  P. Brophy and D. K. Farmer, Atmos. Meas. Tech. Discuss., 8, 3199-3244, 2015 doi:10.5194/amtd-8-3199-2015
  37. Development of a new corona discharge based ion source for high resolution time-of-flight chemical ionization mass spectrometer to measure gaseous H2SO4 and aerosol sulfate Zheng, J., D. Yang, Y. Ma, M. Chen, J. Cheng, S. Li, and M. Wang 2015, , Atmos. Environ., 119, 167-173.  doi:10.1016/j.atmosenv.2015.08.028, 2015.
  38. Methods to extract molecular and bulk chemical information from series of complex mass spectra with limited mass resolution, H Stark, R. L.N. Yatavelli, S. L. Thompson, J. R. Kimmel, M. J. Cubison, P. S. Chhabra, M. R. Canagaratna, J. T. Jayne, D. R. Worsnop, J. L. Jimenez, International Journal of Mass Spectrometry, 389, 26–38, 2015, doi:10.1016/j.ijms.2015.08.011
  39. Phase partitioning and volatility of secondary organic aerosol components formed from α-pinene ozonolysis and OH oxidation: the importance of accretion products and other low volatility compounds  Lopez-Hilfiker, F. D., Mohr, C., Ehn, M., Rubach, F., Kleist, E., Wildt, J., Mentel, Th. F., Carrasquillo, A., Daumit, K., Hunter, J., Kroll, J. H., Worsnop, D., and Thornton, J. A., Atmos. Chem. Phys. Discuss., 15, 4463-4494, doi:10.5194/acpd-15-4463-2015, 2015.
  40. A large and ubiquitous source of atmospheric formic acid  Millet, D. B., Baasandorj, M., Farmer, D. K., Thornton, J. A., Baumann, K., Brophy, P., Chaliyakunnel, S., de Gouw, J. A., Graus, M., Hu, L., Koss, A., Lee, B. H., Lopez-Hilfiker, F. D., Neuman, J. A., Paulot, F., Peischl, J., Pollack, I. B., Ryerson, T. B., Warneke, C., Williams, B. J., and Xu, J. Atmos. Chem. Phys., 15, 6283-6304, doi:10.5194/acp-15-6283-2015, 2015.
  41. Organic nitrate aerosol formation via NO3 + BVOC in the Southeastern US Ayres, B. R., Allen, H. M., Draper, D. C., Brown, S. S., Wild, R. J., Jimenez, J. L., Day, D. A., Campuzano-Jost, P., Hu, W., de Gouw, J., Koss, A., Cohen, R. C., Duffey, K. C., Romer, P., Baumann, K., Edgerton, E., Takahama, S., Thornton, J. A., Lee, B. H., Lopez-Hilfiker, F. D., Mohr, C., Goldstein, A. H., Olson, K., and Fry, J. L. Atmos. Chem. Phys. Discuss., 15, 16235-16272, doi:10.5194/acpd-15-16235-2015, 2015.
  42. Production of extremely low volatile organic compounds from biogenic emissions: Measured yields and atmospheric implications, T. Jokinen, T. Berndt, R. Makkonen, V.-M. Kerminen, H. Junninen, P. Paasonen, F. Stratmann, H. Herrmann, A. B. Guenther, D. R. Worsnop, M. Kulmala, M. Ehn, and M. Sipilä, PNAS 2015 112 (23) 7123-7128,  doi: 10.1073/pnas.1423977112, 2015.
  43. Highly Oxidized Multifunctional Organic Compounds Observed in Tropospheric Particles: A Field and Laboratory StudyA. Mutzel, L. Poulain, T. Berndt, Y. Iinuma, M. Rodigast, O. Böge, S. Richters, G. Spindler, M. Sipilä, T. Jokinen, M. Kulmala, and H. Herrmann, Environ. Sci. Technol., 49 (13), pp 7754–776 DOI: 10.1021/acs.est.5b00885, 2015.
  44. Sulphuric acid and aerosol particle production in the vicinity of an oil refinery, N. Sarnela, T. Jokinen, T. Nieminen,  K. Lehtipalo, H. Junninen, J. Kangasluoma, J. Hakala, R. Taipale, S. Schobesberger, M. Sipilä, K. Larnimaa, H. Westerholm, J. Heijari, V-M. Kerminen, T. Petäjä, M. Kulmala, Atmospheric Envir., 119, 156–166,  doi:10.1016/j.atmosenv.2015.08.033, 2015.
  45. The charging of neutral dimethylamine and dimethylamine–sulfuric acid clusters using protonated acetone, Ruusuvuori, K., Hietala, P., Kupiainen-Määttä, O., Jokinen, T., Junninen, H., Sipilä, M., Kurtén, T., and Vehkamäki, H.:  Atmos. Meas. Tech., 8, 2577-2588, doi:10.5194/amt-8-2577-2015, 2015.
  46. Bisulphate-cluster based atmospheric pressure chemical ionization mass spectrometer for ultra-high sensitivity (10 ppq) detection of atmospheric amines: proof-of-concept and first ambient data from boreal forest, Sipilä, M., Sarnela, N., Jokinen, T., Junninen, H., Hakala, J., Rissanen, M. P., Petäjä, T., and Worsnop, D. R.: , Atmos. Meas. Tech. Discuss., 8, 3667-3696, doi:10.5194/amtd-8-3667-2015, 2015.
  47. Total sulfate vs. sulfuric acid monomer concenterations in nucleation studies, Neitola, K., Brus, D., Makkonen, U., Sipilä, M., Mauldin III, R. L., Sarnela, N., Jokinen, T., Lihavainen, H., and Kulmala, M.: , Atmos. Chem. Phys., 15, 3429-3443, doi:10.5194/acp-15-3429-2015, 2015.
  48. Estimating the contribution of organic acids to northern hemispheric continental organic aerosolReddy L. N. Yatavelli, Claudia Mohr, Harald Stark, Douglas A. Day, Samantha L. Thompson, Felipe D. Lopez-Hilfiker, Pedro Campuzano-Jost, Brett B. Palm, Alexander L. Vogel, Thorsten Hoffmann, Liine Heikkinen, Mikko Äijälä, Nga L. Ng, Joel R. Kimmel, Manjula R. Canagaratna, Mikael Ehn, Heikki Junninen, Michael J. Cubison, Tuukka Petäjä, Markku Kulmala, John T. Jayne, Douglas R. Worsnop, Jose L. Jimenez, Geophys. Res. Lett., 42,6084–6090, DOI: 10.1002/2015GL064650, 2015.
  49. Constraining the sensitivity of iodide adduct chemical ionization mass spectrometry to multifunctional organic molecules using the collision limit and thermodynamic stability of iodide ion adducts F. D. Lopez-Hilfiker, S. Iyer, C. Mohr, B. H. Lee, E. L. D’Ambro, T. Kurtén, J. A. Thornton, Atmos. Meas. Tech. Discuss., 8, 10875–10896, 2015 DOI:10.5194/amtd-8-10875-2015
  50. Characterization of the mass dependent transmission efficiency of a CIMS, M. Heinritzi, M. Simon, G. Steiner, A. C. Wagner, A. Kürten, A. Hansel, J. Curtius, Atmos. Meas. Tech. Discuss., 8, 11369–11399, 2015 DOI:10.5194/amtd-8-11369-2015
  51. Secondary formation of nitrated phenols: insights from observations during the Uintah Basin Winter Ozone Study (UBWOS) 2014 B. Yuan, J. Liggio, J. Wentzell, S.-M. Li, H. Stark, J. M. Roberts, J. Gilman, B. Lerner, C. Warneke, R. Li, A. Leithead, H. D. Osthoff, R. Wild, S. S. Brown, and J. A. de Gouw, Atmos. Chem. Phys. Discuss., 15, 28659-28697, 2015
  52. On the composition of ammonia–sulfuric-acid ion clusters during aerosol particle formation, Schobesberger, S., Franchin, A., Bianchi, F., Rondo, L., Duplissy, J., Kürten, A., Ortega, I. K., Metzger, A., Schnitzhofer, R., Almeida, J., Amorim, A., Dommen, J., Dunne, E. M., Ehn, M., Gagné, S., Ickes, L., Junninen, H., Hansel, A., Kerminen, V. M., Kirkby, J., Kupc, A., Laaksonen, A., Lehtipalo, K., Mathot, S., Onnela, A., Petäjä, T., Riccobono, F., Santos, F. D., Sipilä, M., Tomé, A., Tsagkogeorgas, G., Viisanen, Y., Wagner, P. E., Wimmer, D., Curtius, J., Donahue, N. M., Baltensperger, U., Kulmala, M., Worsnop, D. R., Atmos. Chem. Phys., 15, 55-78, doi:10.5194/acp-15-55-2015, 2015. 
  53. Formation of Low Volatility Organic Compounds and Secondary Organic Aerosol from Isoprene Hydroxyhydroperoxide Low-NO Oxidation, Krechmer, J.E., Coggon, M.M, Massoli, P., Nguyen, T.B., Crounse, J.D., Hu, W., Day, D.A., Tyndall, G.S., Henze, D.K., Rivera-Rios, J.C., Nowak, J.B., Kimmel, J.R., Mauldin, R.L., Stark, H., Jayne, J.T., Sipilä, M., Junninen, H., St. Clair, J., Zhang, X., Feiner, P.A., Brune, W.H., Keutsch, F.N., Wennberg, P.O., Seinfeld, J.H., Worsnop, D.H., Jimenez, J.L., and Canagaratna, M.R., Environmental Science & Technology, 49, 10330-10339, doi:10.1021/acs.est.5b02031, 2015. 
  54. Kinetics, mechanisms, and secondary organic aerosol yield of aqueous phase photo-oxidation of a-pinene oxidation products. Aljawhary, D., Zhao, R., Lee, A.K.Y., Wang, C., Abbatt, J.P.D., J. Phys. Chem. A., 120(9)  1395–1407, doi:10.1021/acs.jpca.5b06237, 2015 
  55. Formation of highly oxidized multifunctional compounds: autoxidation of peroxy radicals formed in the ozonolysis of alkenes - deduced from structure-product relationships, Mentel, T. F., Springer, M., Ehn, M., Kleist, E., Pullinen, I., Kurten, T., Rissanen, M., Wahner, A., and Wildt, J.,  Atmos. Chem. Phys, 15(12), 6745-6765. doi: 10.5194/acp-15-6745-2015, 2015.
  56. Quantification of gas-wall partitioning in Teflon environmental chambers using rapid bursts of low-volatility oxidized species generated in-situ, Krechmer, J.E. , Pagonis, D., Ziemann, P., and Jimenez, J.L., Environmental Science and Technology, 50, 5757–5765, doi:10.1021/acs.est.6b00606, 2016.
  57. Revisiting benzene cluster cations for the chemical ionization of dimethyl sulfide and select volatile organic compounds, Michelle J. Kim, Matthew C. Zoerb, Nicole R. Campbell, Kathryn J. Zimmermann, Byron W. Blomquist, Barry J. Huebert, and Timothy H. Bertram, Atmos. Meas. Tech., 9, 1473-1484, doi:10.5194/amt-9-1473-2016, 2016.
  58. Constraining Condensed-Phase Formation Kinetics of Secondary Organic Aerosol Components from Isoprene Epoxydiols, Riedel, T. P., Lin, Y.-H., Zhang, Z., Chu, K., Thornton, J. A., Vizuete, W. G., Gold, A., and Surratt, J. D., Atmos. Chem. Phys., 16 (3), 1245-1254, doi:10.5194/acp-16-1245-2016, 2016.
  59. Reactions of atmospheric particulate stabilized Criegee intermediates lead to high-molecular-weight aerosol components, Wang, M. Y., Yao, L., Zheng, J., Wang, X. K., Chen J. M., Yang, X., Worsnop, W. R., Donahue, N. M., and Wang, L., Environ. Sci. & Technol., 50, 5702-5710, doi: 10.1021/acs.est.6b02114, 2016.
  60. Real-Time Detection of Arsenic Cations from Ambient Air in Boreal Forest and Lake Environments, Faust, J. A., Junninen, H., Ehn, M., Chen, X., Ruusuvuori, K., Kieloaho, A.-J., Bäck, J., Ojala, A., Jokinen, T., Worsnop, D. R., Kulmala, M., & Petäjä, T., Environ. Sci. Technol. Lett., 3(2), 42-46. doi: 10.1021/acs.estlett.5b00308, 2016.
  61. A new technique for the direct detection of HO2 radicals using bromide chemical ionization mass spectrometry (Br-CIMS): initial characterization, Sanchez, J., Tanner, D. J., Chen, D., Huey, L. G., and Ng, N. L., Atmos. Meas. Tech., 9, 3851-3861, doi:10.5194/amt-9-3851-2016.
  62.  Ion mobility spectrometry–mass spectrometry (IMS–MS) for on- and offline analysis of atmospheric gas and aerosol species, Krechmer, J. E.,  Groessl, M.,  Zhang, X.,  Junninen, H., Massoli, P., Lambe, A. T., Kimmel, J. R, Cubison, M. J., Graf, S.,  Lin Y., Budisulistiorini, S. H., Zhang, H., Surratt J. D., Knochenmuss, R., Jayne, J. T., Worsnop, D. R., Jimenez, J. L. , and Canagaratna, M. R., Atmospheric Measurement Techniques        vol. 9 (7) 3245-3262, doi:10.5194/amt-9-3245-2016
  63. Photochemical Aging of alpha-pinene and beta-pinene Secondary Organic Aerosol formed from Nitrate Radical Oxidation, Nah, T., Sanchez, J., Boyd, C. M., and Ng, N. L., Environ. Sci. Technol., 50, 222-231, 10.1021/acs.est.5b04594, 2016.
  64. Detection of dimethylamine in the low pptv range using nitrate chemical ionization atmospheric pressure interface time-of-flight (CI-APi-TOF) mass spectrometry, Simon, M., Heinritzi, M., Herzog, S., Leiminger, M., Bianchi, F., Praplan, A., Dommen, J., Curtius, J., and Kürten, A., Atmos. Meas. Tech., 9, 2135-2145, doi:10.5194/amt-9-2135-2016, 2016. 
  65. Observation of new particle formation and measurement of sulfuric acid, ammonia, amines and highly oxidized organic molecules at a rural site in central Germany, Kürten, A., Bergen, A., Heinritzi, M., Leiminger, M., Lorenz, V., Piel, F., Simon, M., Sitals, R., Wagner, A. C., and Curtius, J., Atmos. Chem. Phys., 16, 12793-12813, doi:10.5194/acp-16-12793-2016, 2016. 
  66. High upward fluxes of formic acid from a boreal forest canopy, Schobesberger, S., Lopez-Hilfiker, F. D., Taipale, D., Millet D. B., D'Ambro, E. L., Rantala, P., Mammarella, I., Zhou, P., Wolfe, G. M., Lee, B. H., Boy, M., and Thornton, J. A., Geophys. Res. Lett., 43, 9342-9351, doi:10.1002/2016GL069599, 2016.
  67. Field intercomparison of the gas/particle partitioning of oxygenated organics during the Southern Oxidant and Aerosol Study (SOAS) in 2013, Samantha L. Thompson, Reddy L. N. Yatavelli, Harald Stark, Joel R. Kimmel, Jordan E. Krechmer, Douglas A. Day, Weiwei Hu, Gabriel Isaacman-VanWertz, Lindsay Yee, Allen H. Goldstein, M. Anwar H. Khan, Rupert Holzinger, Nathan Kreisberg, Felipe D. Lopez-Hilfiker, Claudia Mohr, Joel A. Thornton, John T. Jayne, Manjula Canagaratna, Douglas R. Worsnop & Jose L. Jimenez, A, Aerosol Science and Technology, doi:10.1080/02786826.2016.1254719, 2016.
  68. Gas-Phase Carboxylic Acids in a University Classroom: Abundance, Variability, and Sources

    Shang Liu, Samantha L Thompson, Harald Stark, Paul J Ziemann, Jose L Jimenez, Environ. Sci. Technol., 51 (10), pp 5454–5463, DOI: 10.1021/acs.est.7b01358, 2017
  69. Impact of Thermal Decomposition on Thermal Desorption Instruments: Advantage of Thermogram Analysis for Quantifying Volatility Distributions of Organic Species Harald Stark, H, RLN Yatavelli, SL Thompson, H Kang, JE Krechmer, JR Kimmel, BB Palm, W Hu, PL Hayes, DA Day, P Campuzano-Jost, MR Canagaratna, JT Jayne, DR Worsnop, JL Jimenez, Environ. Sci. Technol.201751 (15), pp 8491–8500, DOI: 10.1021/acs.est.7b00160, 2017

Related Papers.

MOVI.

  1. Particulate organic matter Detection using a micro-orifice volatilization impactor coupled to a chemical ionization mass spectrometer (MOVI-CIMS) Yatavelli, R. L. N. & Thornton, J. . AS&T44(1), 61-74. doi:10.1080/02786820903380233, 2010.

IMR Source Hardware or Chemistry.

  1. Development of negative-ion proton-transfer chemical-ionization mass spectrometry (NI-PT-CIMS) for the measurement of gas-phase organic acids in the atmosphere 
    Veres, P., Roberts, J. M., Warneke, C., Welsh-Bon, D., Zahniser, M., Herndon, S., Fall, R., de Gouw, J. , Int J Mass Spectrom, 274, 1-3, 48-55, doi: 10.1016/j.ijms.2008.04.032, 2008.

Nitrate Ion Source.

  1. Measurement of the gas phase concentration of H2SO4 and methane sulfonic acid and estimates of H2SO4 production and loss in the atmosphere Eisele, F. L., and D. J. Tanner, J. Geophys. Res., 98(D5), 9001–9010, doi:10.1029/93JD00031., 1993.
  2. The effect of H2SO4 – amine clustering on chemical ionization mass spectrometry (CIMS) measurements of gas-phase sulfuric acid Kurtén, T., Petäjä, T., Smith, J., Ortega, I. K., Sipilä, M., Junninen, H., Ehn, M., Vehkamäki, H., Mauldin, L., Worsnop, D. R., and Kulmala, M.: , Atmos. Chem. Phys., 11, 3007-3019, doi:10.5194/acp-11-3007-2011, 2011.

TOFWERK IMS-TOF

  1. Resistive Glass IM-TOFMS, Kaplan, K, Graf, S, Tanner, C, Gonin, M, Fuhrer, K, Knochenmuss, R, Dwivedi, P, Hill, H. H.,  Analytical Chemistry 82 (22), 9336-9343 doi: 10.1021/ac1017259, 2010.
  2. The novel use of gas chromatography-ion mobility-time of flight mass spectrometry with secondary electrospray ionization for complex mixture analysisCrawford, C. L., Graf, S., Gonin, M., Fuhrer, K., Zhang, X. Hill, H. H.  Int. J. Ion Mobility Spect., 14, 1, 23-30, doi: 10.1007/s12127-010-0057-2, 2011.
  3. Evaluation of Hadamard Transform Atmospheric Pressure Ion Mobility Time-of-Flight Mass Spectrometry for Complex Mixture Analysis Xing Zhang, Richard Knochenmuss, William F. Siems, Wenjie Liu, Stephan Graf, and Herbert H. Hill, Jr.  Analytical Chemistry 2014 86 (3), 1661-1670
  4. Comparison of UHPLC-ESI-MS and Hadamard Transform Atmospheric Pressure Ion Mobility-ESI-MS for Rapid Profiling of Isomeric Flavonoids M. Groessl, A. Azzollini, P.J. Eugster, B. Plet, J-L Wolfender, and R. Knochenmuss, Chimia, 68, 135-139. 2014. doi:10.2533/chimia.2014.135

Conference Presentations.
  1. Yatavelli, R. L. N.  et al. (U Washington)  Understanding the formation and gas-particle partitioning of alkane photo-oxidation products using a chemical ionization high-resolution time-of-flight mass spectrometer, 30th Annual Conference of the American Association for Aerosol Research, Orlando, FL, October, 2011. 
  2. Stark, H. et al. (Aerodyne and CU Boulder) Analysis of Chemical Ionization Time-of-Flight Mass Spectrometer Data from Aerosols and Gas Phase Samples , 30th Annual Conference of the American Association for Aerosol Research, Orlando, FL, October, 2011.
  3. Yatavelli, R. L. N. et al. (CU Boulder)  Real-time Gas and Particle Phase Organic Acids Measurement at a Forest Site Using Chemical Ionization High-Resolution Time-of-Flight Mass Spectrometry During BEACHON-RoMBAS,  AGU Fall Meeting, Dec 5-9, 2011.
  4. Crisp, T. A. et al. (UC San Diego) Ship based observations of the spatial and temporal variability of gas-phase hydrochloric acid in the marine boundary layer, AGU Fall Meeting, Dec 5-9, 2011.
  5. Stark, H. et al. (Aerodyne and CU Boulder) Cluster Formation and Ion Chemistry in the High Pressure Inlet of a Chemical Ionization Mass SpectrometerLessons learned from Field and Laboratory Studies22nd International Symposium on Gas Kinetics, June 18 - 22, 2012, Boulder, Colorado, USA
  6. Yatavelli, R. L. N. et al (CU Boulder) Composition & Gas/Particle Partitioning of Organic Acids in a Ponderosa Pine Forest,  31st Annual Conference of the American Association for Aerosol Research, Minneapolis, MN, October, 2012.
  7. Aljawhary, D. et al (U of Toronto) Photo-oxidation of α-pinene SOA in the aqueous phase: a comparison between HR AMS & CIMS31st Annual Conference of the American Association for Aerosol Research, Minneapolis, MN, October, 2012.   



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