Publications of Frank Helleis

Hünig, A.; Appel, O.; Dragoneas, A.; Molleker, S.; Clemen, H.-C.; Helleis, F.; Klimach, T.; Köllner, F.; Böttger, T.; Drewnick, F. et al.; Schneider, J.; Borrmann, S.: Design, characterization, and first field deployment of a novel aircraft-based aerosol mass spectrometer combining the laser ablation and flash vaporization techniques. Atmospheric Measurement Techniques 15 (9), pp. 2889 - 2921 (2022)

McLeod, R. S.; Hopfe, C. J.; Bodenschatz, E.; Moriske, H.; Pöschl, U.; Salthammer, T.; Curtius, J.; Helleis, F.; Niessner, J.; Herr, C. et al.; Klimach, T.; Seipp, M.; Steffens, T.; Witt, C.; Willich, S. N.: A multi‐layered strategy for COVID‐19 infection prophylaxis in schools: A review of the evidence for masks, distancing, and ventilation. Indoor Air 32, e13142, pp. 1 - 11 (2022)

Köllner, F.; Schneider, J.; Willis, M. D.; Schulz, H.; Kunkel, D.; Bozem, H.; Hoor, P.; Klimach, T.; Helleis, F.; Burkart, J. et al.; Leaitch, W. R.; Aliabadi, A. A.; Abbatt, J. P. D.; Herber, A. B.; Borrmann, S.: Chemical composition and source attribution of sub-micrometre aerosol particles in the summertime Arctic lower troposphere. Atmospheric Chemistry and Physics 21 (8), pp. 6509 - 6539 (2021)

Clemen, H.-C.; Schneider, J.; Klimach, T.; Helleis, F.; Köllner, F.; Hünig, A.; Rubach, F.; Mertes, S.; Wex, H.; Stratmann, F. et al.; Welti, A.; Kohl, R.; Frank, F.; Borrmann, S.: Optimizing the detection, ablation, and ion extraction efficiency of a single-particle laser ablation mass spectrometer for application in environments with low aerosol particle concentrations. Atmospheric Measurement Techniques 13 (11), pp. 5923 - 5953 (2020)

Lelieveld, J.; Helleis, F.; Borrmann, S.; Cheng, Y.; Drewnick, F.; Haug, G.; Klimach, T.; Sciare, J.; Su, H.; Pöschl, U.: Model Calculations of Aerosol Transmission and Infection Risk of COVID-19 in Indoor Environments. International Journal of Environmental Research and Public Health 17 (21), 8114 (2020)

Molleker, S.; Helleis, F.; Klimach, T.; Appel, O.; Clemen, H.-C.; Dragoneas, A.; Gurk, C.; Hünig, A.; Köllner, F.; Rubach, F. et al.; Schulz, C.; Schneider, J.; Borrmann, S.: Application of an O-ring pinch device as a constant-pressure inlet (CPI) for airborne sampling. Atmospheric Measurement Techniques 13 (7), pp. 3651 - 3660 (2020)

Eger, P. G.; Helleis, F.; Schuster, G.; Phillips, G. J.; Lelieveld, J.; Crowley, J. N.: Chemical ionization quadrupole mass spectrometer with an electrical discharge ion source for atmospheric trace gas measurement. Atmospheric Measurement Techniques 12 (3), pp. 1935 - 1954 (2019)

Kunert, A.; Lamneck, F.; Helleis, F.; Pöschl, U.; Pöhlker, M. L.; Fröhlich-Nowoisky, J.: Twin-plate Ice Nucleation Assay (TINA) with infrared detection for high-throughput droplet freezing experiments with biological ice nuclei in laboratory and field samples. Atmospheric Measurement Techniques 11 (11), pp. 6327 - 6337 (2018)

Ribas-Ribas, M.; Helleis, F.; Rahlff, J.; Wurl, O.: Air-Sea CO₂-Exchange in a Large Annular Wind-Wave Tank and the Effects of Surfactants. Frontiers in marine science 5, UNSP 457 (2018)

Bourtsoukidis, E.; Helleis, F.; Tomsche, L.; Fischer, H.; Hofmann, R.; Lelieveld, J.; Williams, J.: An aircraft gas chromatograph-mass spectrometer System for Organic Fast Identification Analysis (SOFIA): design, performance and a case study of Asian monsoon pollution outflow. Atmospheric Measurement Techniques 10 (12), pp. 5089 - 5105 (2017)

Fachinger, J.; Gallavardin, S. J.; Helleis, F.; Fachinger, F.; Drewnick, F.; Borrmann, S.: The ion trap aerosol mass spectrometer: field intercomparison with the ToF-AMS and the capability of differentiating organic compound classes via MS-MS. Atmospheric Measurement Techniques 10 (4), pp. 1623 - 1637 (2017)

Köllner, F.; Schneider, J.; Willis, M. D.; Klimach, T.; Helleis, F.; Bozem, H.; Kunkel, D.; Hoor, P.; Burkart, J.; Leaitch, W. R. et al.; Aliabadi, A. A.; Abbatt, J. P. D.; Herber, A. B.; Borrmann, S.: Particulate trimethylamine in the summertime Canadian high Arctic lower troposphere. Atmospheric Chemistry and Physics 17 (22), pp. 13747 - 13766 (2017)

Pöschl, U.; Cheng, Y.; Helleis, F.; Klimach, T.; Su, H.: Efficiency and synergy of simple protective measures against COVID-19: Masks, ventilation and more. In EGU General Assembly 2022, Vienna, Austria. (2022)

Lelieveld, J.; Helleis, F.; Borrmann, S.; Cheng, Y.; Drewnick, F.; Haug, G.; Klimach, T.; Sciare, J.; Su, H.; Pöschl, U.: Model Calculations of Aerosol Transmission and Infection Risk of COVID-19 in Indoor Environments. (2020)

Köllner, F.; Schneider, J.; Willis, M. D.; Schulz, H.; Kunkel, D.; Bozem, H.; Hoor, P.; Klimach, T.; Helleis, F.; Burkart, J. et al.; Leaitch, W. R.; Alibadi, A. A.; Abbatt, J. P. D.; Herber, A. B.; Borrmann, S.: Chemical composition and source attribution of submicron aerosol particles in the summertime Arctic lower troposphere. Atmospheric Chemistry and Physics Discussions 20 (2020)

Clemen, H.-C.; Schneider, J.; Klimach, T.; Helleis, F.; Köllner, F.; Hünig, A.; Rubach, F.; Mertes, S.; Wex, H.; Stratmann, F. et al.; Welti, A.; Kohl, R.; Frank, F.; Borrmann, S.: Optimizing the detection, ablation, and ion extraction efficiency of a single-particle laser ablation mass spectrometer for application in environments with low aerosol particle concentrations. Atmospheric Measurement Techniques Discussions 13 (2020)

Eger, P. G.; Helleis, F.; Schuster, G.; Phillips, G. J.; Lelieveld, J.; Crowley, J. N.: Chemical ionisation quadrupole mass spectrometer with an electrical discharge ion source for atmospheric trace gas measurement. Atmospheric Measurement Techniques Discussions 11 (2018), 35 pp.

Bourtsoukidis, E.; Helleis, F.; Tomsche, L.; Fischer, H.; Hofmann, R.; Lelieveld, J.; Williams, J.: An aircraft gas chromatograph-mass spectrometer System for Organic Fast Identification Analysis (SOFIA): design, performance and a case study of Asian monsoon pollution outflow. Atmospheric Measurement Techniques Discussions 10 (2017)

Köllner, F.; Schneider, J.; Willis, M. D.; Klimach, T.; Helleis, F.; Bozem, H.; Kunkel, D.; Hoor, P.; Burkart, J.; Leaitch, W. R. et al.; Aliabadi, A. A.; Abbatt, J. P. D.; Herber, B.; Borrmann, S.: Particulate trimethylamine in the summertime Canadian high Arctic lower troposphere. Atmospheric Chemistry and Physics Discussions 17 (2017)

Helleis, F.; Klimach, T.; Pöschl, U.: Vergleich verschiedener Lüftungsmethoden gegen die Aerosolübertragung von COVID-19 und für erhöhte Luftqualität in Klassenräumen: Fensterlüften, Abluftventilatoren, Raumlufttechnik und Luftreiniger (Version 2.0). (2022)