Agenda, Presentations and Posters of the 29^th Conference

29^thETH-Nanoparticles Conference (NPC-2026), May 31 to June 3, 2026 at ETH Zurich, Switzerland

The ETH Nanoparticles Conference (NPC) in 2026 was organized as an in-person conference under the auspice of the Swiss Chemical Society (see website of the conference, https://npc26.scg.ch).

It served as an interdisciplinary platform for expert discussions on all aspects of nanoparticles, freshly emitted from various sources, aged in ambient air, technical mitigation aspects, impact of particles on health, environment and climate and particle legislation. The conference brought together representatives from research, industry and legislation.

Agenda of Presentations

Monday June 1, 2026

Loretta Müller, University Hospital Bern and Co-Chair of NPC 2026 Welcome, lntroduction and Conference Opening	09.00
Opening Talk Athanasios Nenes, EPFL Lausanne Acidity of atmospheric aerosol and its importance	09.10	pdf
Session 1: Aircraft emissions Part I Chair: Claudia Mohr, PSI Villigen	09.45
Nobuyuki Takegawa, Tokyo Metropolitan University Export of aircraft exhaust ultrafine particles from Tokyo International (Haneda) Airport		pdf
Teemi Lepistö, Tampere University Dispersion of ultrafine particles originated from a medium-large international airport		pdf
Armin Hansel, University of Innsbruck Ultrafine particle exposure from individual aircrafts approaching Innsbruck airport		pdf Poster
COFFEE BREAK	10.30
Session 2: Aircraft emissions Part II Chair: Claudia Mohr, PSI Villigen	11.00
Tobias Schripp, ZHAW Impact of Seasonal Variations on Jet Engine Emissions from a Business Jet Running on Fossil and Sustainable Aviation Fuels		pdf
Steffen Schmitt, Aerodyne Research, Inc. SOURCE FFR: Recent activities within the UFP exposure study in the Frankfurt Rhine-Main regio
Suneeti Mishra, PSI Center for Energy and Environmental Sciences Characterizing Aviation Contributions to Particulate Matter near Zurich Airport using Chemical Composition and Source Apportionment		pdf
David Kittelson, University of Minnesota, retired A “2nd” (> 150 nm) Size Mode in Aircraft Gas Turbine Engine Exhaust, New Analysis		pdf
Paula Kurzawska-Pietrowicz, Poznan University of Technology Experimental study on the impact of HVO addition to Jet A-1 on non-volatile particulate matter emissions		pdf
LUNCH BREAK	12.30
POSTER SESSION A	13.30
COFFEE BREAK	15.00
Session 4: Emissions: aftertreatment / real world operation / alternative fuels Chair: Martin Gysel-Beer, PSI/ETH Zurich	15.30
Henri Oikarinen, University of Eastern Finland Emissions from fuel operated auxiliary heaters of passenger cars		pdf
Olli Sippula, University of Eastern Finland Nanoparticle and secondary aerosol emissions of EURO6d passenger cars fueled with gasoline, diesel and natural gas: The role of exhaust after-treatment byproducts		pdf
Stefanos Melekidis, Hug Engineering Influence of Lubricant Ash Content on DPF-Performance in Medium-Speed Diesel Engines		pdf
Negaar Razzaghi, Simon Fraser University Effects of Extreme Cold Climate on Particulate Emissions of Light-Duty Gasoline Vehicles		pdf
Henna Lintusaari, Tampere University Real-world particle number emission factors of heavy-duty vehicles: Contribution of sub-10 nm particles		pdf
Will Northrop, University of Minnesota: Twin Cities Ammonium Nitrate Nanoparticles from Ammonia Combustion in Engines and Burners		pdf
APERITIF sponsored by exhibitors	17.00

Wednesday June 2, 2026

Session 5: Ambient air, biomass burning and wildfires, environmental impacts Chair: Christoph Hüglin, Empa	09.00
Daniel Schlesinger, SLB-analys, Environment and Health Administration, City of Stockholm Dynamics of urban particle number size distributions in Stockholm, Sweden		pdf
Eric Twomey, University of Basel Spatiotemporal modelling of ambient concentration of ultrafine particles in Switzerland		pdf
Arya Mukherjee, University of Eastern Finland Direct radiative properties of modern European woodstove emissions: effect of photochemical aging and an electrostatic precipitator		pdf
Anni Hartikainen, University of Eastern Finland Transient formation of organic gaseous emissions in residential wood combustion with and without an electrostatic precipitator		pdf
Joel Corbin, National Research Counsil Canada An equation describing the wavelength-dependence of brown-carbon light absorption at all wavelengths		pdf
Cyprien Jourdain, Stanford University How coating pathway controls light absorption by black carbon
COFFEE BREAK	10.30
Session 6: Nanoparticles: instrumentation, metrology, fundamentals Chair: Konstantina Vasilatou, METAS	11.00
Tirthankar Mitra, King Abdullah University of Science and Technology (KAUST) Dynamic chemical evolution of incipient soot. An FT-IRC MS-based investigation		pdf
Una Trivanovic, METAS Characterization of a novel, mid-cost device for ambient monitoring of ultrafine particles		pdf
Sonja Pratzler, Physikalisch-Technische Bundesanstalt Laboratory Intercomparison in Germany: Calibration of particle counters for the national periodical technical inspection		pdf
Andrew Brown, National Physical Laboratory (NPL) Ensuring the comparability of nanoparticle measurements by the international metrology community		pdf
LUNCH BREAK	12.15
POSTER SESSION B	13.30
COFFEE BREAK	15.00
Session 8: Break wear and Tyre wear Chair: Danilo Engelmann, BFH/AFHB Biel	15.30
Jon Andersson, Ricardo UK, Automotive and Industrial (A&I) DfT Brake & Tyre Programme Phase 2: Impact of Regenerative Braking and Vehicle Mass on Brake Particle Emissions Across ICE, PHEV & EV Platforms		pdf
Alessandro Mancini, Brembo N.V. Non-Exhaust Emissions from Brakes: Comparative Assessment of Physico-Chemical Properties in Nanometric and Micrometric Particulates		pdf
Carsten Neukirchen, Universittät der Bundeswehr München Nanoparticle generation potential of summer and winter tyres at varying ambient temperatures		pdf
Siriel Saladin, University of Cambridge Chemical Origin of Tyre Nanoparticles in a Tube Furnace		pdf
Guillaume Lemasson, MICHELIN Research center Michelin’s latest results on quantification of airborne Tire Road Wear Particules, from vehicule usage to micro		pdf
CONFERENCE DINNER	18:30

Thursday, June 3, 2026

Session 9: Indoor particles and occupational exposure Chair: Oliver F. Bischof, TSI	09.00
Elizabeth DeFrance, University of California Riverside Lithium-ion battery thermal runaway particle emissions		pdf
Oona Norvapalo, University of Eastern Finland Occupational diesel exhaust exposure assessment using miniaturized aerosol instruments – intercomparison of aerosol instruments in different workplace environments		pdf
Pia Karbiener, University of Basel Airborne pathogen detection via MASC-On - Magnetic Antibody Sorting Coupled with flow Cytometry Online		pdf
Mohammadhadi Sedaghat, University of Cyprus Physiologically Realistic Simulation of DEHP Penetration in the Human Airways		pdf
Marloes Eeftens, Swiss Tropical and Public Health Institute The MARKOPOLO Indoor/Outdoor project: Real-time assessment of residential ultrafine particle exposure indoors and outdoors		pdf
Ulrich Vogt, University of Stuttgart Underground Rail Air Quality: Determination of UFP and BC Concentrations in a Train Station and its Adjacent Tunnel
COFFEE BREAK	10.30
Session 10: Nanoparticle toxicity and health effects Chair: Barbara Rothen-Rutishauser, University of Fribourg	11.00
Seungju Yoon, California Air Resources Board Characteristics of Brake-Wear Particles and Chemical Speciation Profiles and Potential Health Effects of the Particles in California		pdf
Marie Bergmann, Heinrich Heine University Düsseldorf Systematic review and meta-analysis on the health effects of long-term exposure to ultrafine particles		pdf
Hajar Hajmohammadi, Queen Mary University of London Non-Tailpipe Traffic Emissions and Airway Dysfunction: Evidence from a Real-World Crossover Study (IONA)		pdf
Focus Event «Exposure in Indoor Environments», Part A Chair: Marloes Eeftens, Swiss TPH	11.45
Aneta Wierzbicka, Lund University Indoor particles – characteristics and toxicity	11.45	pdf
Dusan Licina, EPFL Lausanne Indoor ultrafine particles in occupied spaces: sources, transformations, and exposure-relevant dynamics	12.05	pdf
LUNCH BREAK	12.30
Trojan Horse Award and Poster Award Ceremony Chair: Oliver F. Bischof, TSI	13.30
Focus Event «Exposure in Indoor Environments», Part B Chair: Marloes Eeftens, Swiss TPH	14.00
Gaetano Settimo, Italian Institute of Health Indoor Air Quality: the national situation in Italy	14.00	pdf
Pawel Wargocki, Technical University of Denmark The role of indoor environments for well-being, health, work performance, learning, and sleep	14.25	pdf
Michael Riediker, SCOETH Indoor air quality is not about policing, it’s about enabling	14.50	pdf
Panel Discussion Chair: Barbara Rothen-Rutishauser, University of Fribourg	15.05
End of the conference	15.30

Posters

Session 1: Aircraft emissions
Sarah Tinorua, Paul Scherrer Institute - Assessing the Impact of Emissions from Zürich Airport on Ultrafine Particles and Volatile Organic Compounds in a nearby Residential Area		pdf
Henna Lintusaari,Tampere University - Laboratory-scale Jet Engine Emission Measurements using a Micro Turbojet with Conventional and Alternative Jet Fuel
Emily Winter, Imperial College London - Characterisation of Emissions from an Inverse Diffusion Burner Relevant to Contrail Formation
Jack Macklin, University of Leeds The transition to sustainable aviation fuels will lead to reduced contrail ice forming particle emissions		pdf
Session 2: Ambient air and environmental impacts
Ricardo Morales, Universidad de los Andes Ultrafine particle characterization in the near-road environment: association with traffic composition using high time-resolution traffic counts
Maximilian Dollner, Catalytic Instruments Measuring Urban Aerosol Volatility Fractions with a Catalytic Stripper at an ACTRIS Aerosol Observatory: Characterization and Implementation
Hamid Salehi, University of Greenwich Evaluating Traffic-Related Air Pollution Interventions Using State-Space Modelling: Implications for Monitoring and Regulatory Assessment in London
Session 3: Emission control & emissions in real-world operation
Sara Valentini, European Commission, Joint Research Centre (JRC) A comprehensive characterization of particles emitted by Internal Combustion Engines using different sampling and analytical techniques		pdf
Jiun-Horng Tsai, National Cheng Kung University Field Study On The Abatement Effect Of Particles In Engine Exhaust Of Excavator Equipped With DOC And DPF
Vahid Hosseini, Simon Fraser University Roadside Optical Vehicle Emissions Reporter (ROVER) III Project: Evidence of exhaust tampering in Alberta, Canada
Ireneusz Pielecha, Poznan University of Technology Particle number emissions from a Turbulent Jet Ignition engine fueled with hydrogen and ammonia
Yuantao Wang, Paul Scherrer Institute Secondary Organic Aerosol Formation of Vehicle Emissions under Realistic Driving Conditions in a Road Tunnel
Georgi Trendafilov, RWTH Aachen University How Urea Dosing in SCR Systems Drives Secondary Particle Formation		pdf
Session 4: Biomass burning incl. wildfires
Kaare Press-Kristensen, Green Global Future Cost-benefit: Electrostatic precipitators for residential stoves
Kaare Press-Kristensen, Green Global Future Field investigations of particle pollution from residential heating in Slovakia
Joel Corbin, National Research Council Canada Chemical composition of tarballs and “charballs” formed by pyrolysis of wildfire-like organic
Session 5: Nanoparticle metrology (and instrumentation)
Jordan Tompkins, National Physical Laboratory Reducing the uncertainty of condensation particle counter calibrations at low particle number concentrations by reducing electrical noise in the Faraday cup aerosol electrometer
Martin Fierz, Naneos particle solutions Lowcost ambient UFP monitoring with diffusion chargers		pdf
Lars Hillemann, Topas GmbH Uncertainty of the dilution factor of diluters with internal mixing gas preparation		pdf
Serena Loggia, ETH Zurich Testing and Calibration of bcMeter, an Open-Source, Low-Cost Black Carbon Monitor		pdf
Filip Kulas, Cambustion Ltd. Performance characterisation of a continuously variable aerosol diluter
Alejandro Keller, FHNW Towards Stand-Alone Monitoring of Carbonaceous Aerosol: FATCAT Measurements and Thermogram-Based Source Interpretation
Nikolaos Kousias, Aristotle University of Thessaloniki A portable optoacoustic BC sensor for source emission monitoring		pdf
Muhammad Shoaib Ashraf, King Fahad University of Petroleum and Minerals Ultra-Simple, Cost-Effective, Single-Precursor Production of Co3O4 Nanoparticles via Thermal Decomposition: Characterization and Scalability-Oriented Techno-Economic Analysis
Andreas Nowak, Physikalisch-Technische Bundesanstalt (PTB) Thermally stable and spherical silver particles as transfer standard for the calibration of particle number counters
Arpit Malik, Physikalisch-Technische Bundesanstalt Traceable Calibration of MPSS in Fast-Scan Mode: Recommendations for Particle Number Size Measurement at Urban Traffic Hot Spots
Session 6: Legislation, monitoring and enforcement
Seán Schmitz, Research Institute for Sustainability (RIFS) at GFZ Continuous Monitoring of UFP Across 11 European Cities: First Results from the Net4Cities Project
Session 7: Nanoparticle formation and transformation
Paxton Juuti, Dekati Ltd. Experimental evaluation of nucleation phenomena in an oxidation flow reactor (DOFR™)
Session 8: Break wear and Tyre wear
Jacek Pielecha, Poznan University of Technology Particle number emissions from brakes of passenger cars
Lukasz Rymaniak, Poznan University of Technology Emission of particulate matter during braking of a rail vehicle on a test stand
Elizabeth DeFrance, University of California Riverside CE-CERT On-road tire-wear particle emissions from a light-duty vehicle
Elizabeth DeFrance, University of California Riverside CE-CERT Brake-wear particle emissions measurement and characterization during on-road vehicle testing
Sang-Hee Woo, Korea Institute of Machinery and Materials Measurement of emission factors for brake and tire wear particles from actual vehicles driving on real roads
Session 9: Indoor particles and occupational exposu
Kristen Yeh, EPFL Lausanne INDOAIRTOX: Project Overview and Experimental Design for Indoor Ultrafine Particles—Sources, Dynamics, and Toxicity
Rikke Bogebo, Healthy Indoor Environment Particle pollution from ovens in Danish kitchens
Paulus Bauer, Catalytic Instruments Distinguishing Total and Solid Particle Emissions from Household and Office Devices using a Catalytic Stripper
Natalia Szymlet, Poznan University of Technology Comparative analysis of particulate matter emissions from 3D printing and the internal combustion engine
Remigusz Jasiński, Poznan University of Technology Particle Number Concentration and Size Distribution in the Cabin of a Light Aircraft during Real-World Flight Operations		pdf
Heike Krüger, nano-Control, International Foundation Healthy Indoor Air - Nanoparticles from Laser Printers
Gen-Wen Hsieh, National Yang Ming Chiao Tung University Nonwoven polyester fabric hybrid with conducting nanowire and photocatalytic nanoparticle for dual-functional indoor air filtration
Julian Wehrle, FHNW Unexpected Ultrafine Particle Emissions from Disengagement of Hook-and-Loop Fasteners		pdf
Session 10: Nanoparticle toxicity and health effects
Elisa Chamot, University of Basel A new instrument to examine the oxidizing properties of polluted air in both the gas and particle phases (GP-OOPAAI)
Luisa Path, AMI, University of Fribourg Comparing effects of freshly generated brake wear particles with particles collected on Teflon filters in an advanced in vitro lung model
Ruiwen He, AMI, University of Fribourg Assessment of aircraft engine exhaust toxicity using an on-site air–liquid interface cell exposure system
Utprabh Pama, Indian Institute of Technology Bombay Nanoparticle-Forming Precursors & Associated Health Risks Across Urban Micro-Environments in eastern Indian urban area