Agenda, Presentations and Posters of the 26th Conference

26th ETH Nanoparticles Conference (NPC), June 20-22, 2023

The ETH Nanoparticles Conference (NPC) in 2023 was organized as an in-person conference under the auspice of the Swiss Chemical Society (see website of the online conference, 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

Tuesday June 20, 2023

Norbert Heeb, Empa
Welcome, lntroduction and Conference Opening
09.00 pdf
Claudia Mohr, ETH, Laboratory for Atmospheric Chemistry, PSI
Keynote Lecture: Nanoparticles, climate and health: From observation to impact
09.10 pdf
Session 1: Aircraft, marine and other non-road sources
Chair: Norbert Heeb, Empa Dübendorf
Zachary Decker, Paul Scherrer Institute PSI
Connecting size-resolved aerosol composition and gas-phase volatile emissions from aircraft engines at the Zürich airport

09.40 pdf
Tobias Schripp, German Aerospace Center (DLR)
Field Study on the Impact of Sustainable Aviation Fuels on Helicopter Engine Emissions
10.00 pdf
Lukas Durdina, ZHAW Zurich
Swiss research of particle emissions reduction with sustainable aviation fuels
10:20 pdf

Session 2: Impact on climate and biomass, biofuel- and synfuel combustion
Chair: Martin Gysel-Beer, Paul Scherrer Institut (PSI), Villigen

Joel Ponsonby, Imperial College London
Jet aircraft lubrication oil droplets as contrail ice-formmg particles
11.00 pdf
Claudia Marcolli, ETH Zurich
Heterogeneous ice nucleation of soot particles: measurements, predictions and implications
11.20 pdf
Sohana Debbarma, Indian Institute of Technology Bombay
Aerosol optical properties measured from two heterogenous mix of Indian vehicular fleets
11.40 pdf
Jun Zhang, Paul Scherrer Institute PSI
Chemically resolved volatility of biomass burning emission
11.50 pdf
Marvin Laboureur, University of Namur
Catalytic solutions for the cleansing of wood stove emissions: a physico chemical characterization of effluents generated by wood combustion and their maturation in the atmosphere
12.10 pdf
Simone Lixi, lnnovhub - 551
Particulate matter and CO2eq.emissions from three Euro 6d bi-fuel LPG passenger cars, fed by an innovative LPG/DME 80/20 (V/V) blend
12.20 pdf
POSTER SESSION (even numbers)    
Session 3: Brake and tyre wear, non-combustion emissions
Chair: Christoph Hüglin, Empa Dübendorf
Yusuf Khan, Cummins lnc.
Evaluation of Tailpipe Solid Particle Number Measurement Methodologies
15.30 pdf
loannis Raptis, Aristotle University Thessaloniki
Evaluation of a miniaturized exhaust emission measuring system using an optoacoustic BC sensor and low-cost gas sensors
15.50 pdf
Jon Andersson, Ricardo Chemical Risk Management
Particle Emissions from Brake and Tyre Wear - Results from the Phase1 study for the UK DfT
16.10 pdf
Brenda Lopez, University of California Riverside CE-CERT
Elemental content of brake and tire wear PM2.5 and PM10 at Near-Road Environments
16.30 pdf
Carlos Agudelo, Link Engineering Company
CARB updates to EMFAC brake emissions factors using dynamometer tests for light-duty vehicles
16.50 pdf
Aperitif (Sponsored by exhibitors), End of Day 1 17.00


Wednesday June 21, 2023

Session 4: Particle emissions control of combustion engines (Part A)
Chair: Danilo Engelmann, BFH/AFHB, Biel
Silvana Di lorio, Institute of Science and Technology for Sustainable Energy and Mobility (STEMS) - CNR
Physical and chemical characterization of the particles emitted by a hydrogen fueled DI SI engine: the role of lube oil
09.00 pdf
Leonid Tartokovsky, Technion - Israel Institute of Technology
An updated mechanism of particle formation in non-premixed hydrogen combustion in internal combustion engines
09.20 pdf
Dovid Kittelson, University of Minnesota
Engine crankcase particulate matter: Measurement issues
09.40 pdf
Andreas Mayer, VERT
Millions of Soot Filters mitigating Climate Change
09.55 pdf
John Santos, Chung Yuan Christian University
The lnfluence of a Diesel Particulate Filter with Low-Temperature Regenerability on Diesel Engine Emissions
10.10 pdf
Hiroyuki Yamada, Tokyo Denki University
Off-Cycle Emissions of Particle Number from Gasoline and DPF diesel passenger cars in extremely low temperature and high-load conditions
10.30 pdf
Session 5: Particle emissions control of combustion engines (Part B)
Chair: Louretta Rubino, VERT Association

Stanislav Bohac, U.S. Environmental Protection Agency
PM Mass-Based Standard for Achieving PM Emissions Commensurate with Model Year 2022 GPF Technology for Light-Duty and Medium-Duty Vehicles

11.00 pdf
lmad Khalek, Southwest Research Institute
New Proposed light-Duty PM Mass Regulations in the USA: Can it be Controlled and Measured
11.20 pdf
Andreas Nowak, PTB
Improving counting efficiency and linearity beyond the on-road emission measurement regulations for Portable Emissions Measurement Systems (PEMS)
11.40 pdf
Kazuhiro Yamamoto, Nagoya University
Effects of GPF substrate structure on pressure drop and filtration efficiency
12.00 pdf
Sven Kureti, TU Bergakademie Freiberg
Catalytic Soot Oxidation in Gasoline Engine Exhaust
12.20 pdf

POSTER SESSION (odd numbers)    
Session 6: Nanoparticle metrology and chemical characterization
Chair: Konstantina Vasilatou, METAS
Oliver Bischof, Institute of Energy & Climate Research IEK-8/ TSI GmbH
Application-Specific Calibration of Condensation Particle Counters for Use at Reduced Pressure Conditions
15.30 pdf
Vinicius Berger, Catalytic Instruments GmbH & Co. KG
Determining the Impact of Sulfur Exposure on Catalytic Stripper Performance Using Propane Oxidation Efficiency Measurements
15.50 pdf
Patrick Weber, Forschungszentrum Jülich
A New Working Fluid for Condensation Particle Counters with Proprietary Benefits
16.10 pdf
Michal Vojtisek, Czech University of Life Sciences in Prague
Roadside detection of excess particle emitters: practical limits & potential for garage-grade" instruments
16.30 pdf
Tobias Hammer, Federal Institute of Metrology METAS
lnfluence of the type of soot generator on counting efficiency of PN-PTI instruments
End of Day 2 17.00  
Alphorn Trio Concert, Alphornbläser Vereinigung Zürich Stadt 18.00

Dinner Party at ETH Polyterasse 19.00


Thursday, June 22, 2023

Session 7: Health effects
Chair: Barbara Rothen-Rutishavser, AMI, University of Fribourg
Jakob Usemann, University of Zurich / UKBB Basel
Air pollution and lung development in the child
09.00 pdf
Alfred Lawrence, lsabella Thoburn College
Health risk assessment of Sub-Micron Particles and Heavy Metals on Children in North Indian lndoor Air - An Interim Analysis
09.20 pdf

Tina Buerki-Thurnherr, Empa
Early life health impact of diesel exhaust particles: Unravelling placental accumulation, fetal transfer and interference with maternal-fetal communication

lnge Scharpf, IUF - Leibniz Research Institute for Environmental Medicine
Tire wear and ambient temperature - Their accelerating effect on neurodegenerative diseases and aging in the animal model Caenorhabditis elegans
10.00 pdf
Session 8: Nanoparticle formation and transformation
Chair: Oliver Bischof, TSI lncorporated
Angela Violi, University of Michigan
Investigating the transition from gas-phase species to nanoparticle formation in high temperature regimes
Una Trivanovic, ETH Zurich
High-throughput generation of aircraft-like soot: Dynamics of soot surface growth and agglomeration by enclosed spray combustion of jet fuel
11.20 pdf
Alessia Pignatelli, Universita degli Studi di Napoli Federico II
Formation, Growth, and Photochemical Aging of Laboratory-Generated Nanoparticles
11.40 pdf
Awards Ceremony
Chair: Oliver Bischof, TSI lncorporated

Focus Event: lndoor air filtration of biogenic and combustion nanoparticles
Chair: Loretta Müller, DMBR University of Bern, Kinderklinik Bern
Part 1    

Joachim Frey, University of Bern, Vetsuisse
Filtration of Bioparticles: Filters on a test bench

13.30 pdf
Joerg Mayer, NanoCleanAir
Aerodynamics and Filtration Conditions for Bio-Aerosol Protection shown for the NanoCleanAir Baldachin, a Hospital Bed Protection System for an lntermediate Care Setting
13.50 ppsx
Ernest Weingartner, UASNW
Physical properties of virus-containing aerosol particles
14.10 pdf
Michael Riediker, SCOEH (Swiss Centre for Occupational and Environmental Health)
Clean air against pathogens: the role of air flow and ventilation
14.30 pdf
Giorgio Buonanno, University of Cassino and Southern Lazio
The airborne transmission of respiratory pathogens: the importance of ventilation and air distribution in the infection risk
14.50 pdf
Part 2 (incl. Panel Discussion)    
Tomar Kohn, EPFL Lausanne
Aerosol pH is an overlooked driver of airborne influenza- and corona viruses inactivation
15.45 pdf
Panel Discussion 16.00  
Closing Word and Goodbye 16.50  
End of the Conference 17.00



Aircraft, marine and other non-road sources
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Dr. Kåre Press-Kristensen, Green Transition Denmark
Ultrafine particles from cruise ships and ferries in ports
Dalho Shin, Konkuk University
Exhaust Emission Characteristics according to Load Factor of Construction Machinery in Real-work Mode
Ryubin Kwon, Mokpo National Maritime University
Algorithm for Determining Abnormal Signs of Ship Propulsion Engines Using Machine Learning
Seokho Moon, Konkuk University
Study on Effective Variables for CO2 Prediction of Construction Equipments using Supervised Learning

Ambient air particles, secondary pollutants
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Päivi Aakko-Saksa, VTT Technical Research Centre of Finland
Semivolatile fraction's characteristics from engine and car exhaust
Vikas Goel, Indian Institute of Technology Delhi
Sources and Light Absorption Properties of Black Carbon over Delhi
Dimitrios G. Tsalikis, ETH Zürich
Mean free path of air: The impact of inelastic molecular collisions
Katerina S. Karadima, Particle Technology Laboratory, ETH-Z
Molecular dynamics simulations of fullerene and silica nanoparticles diffusion coefficients in air
Nora Nowak, Paul Scherrer Institute
Optical and Chemical Properties of Wildfire Aerosol Plumes in the Free Troposphere
Tana Zavodna, Institute of Experimental Medicine of the Czech Academy of Sciences
Personal exposure monitoring of size-segregated aerosol and PAHs in recreational runners
Ivan Iskra, AethLabs, San Francisco, CA, USA
The new real-time source apportionment feature of the portable AethLabs microAeth black carbon monitor

Biomass-, biofuel- and synfuel combustion
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Stijn v. Rijn, University of Groningen
The optical properties of combustion generated particles from 1-D hydrogen doped ethylene flames
Anssi Järvinen, VTT Technical Research Centre of Finland
Reduced particle emissions from paraffinic diesel blended with polyoxymethylene dimethyl ether
Faruk Y. Aydin, King Abdullah University of Science and Technology
Investigation of the influence of ammonia and hydrogen addition on soot formation in ethylene co-flow laminar diffusion flames
Brett M. Bailey, Global Clean Diesel
Realization of Efficient and Environmentally Sustainable Combustion of Sargassum and Waste Biomass
Lisa Feikus, RWTH Aachen University
Reduction of Particulate Emissions from Logwood Stoves by an Electrostatic Precipitator and the Influence of Their Position in the Flue Gas Duct and Stove Operation Conditions

Brake and tyre wear, on-combustion emissions
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Hiroyuki Hagino, Japan Automobile Research Institute
Exhaust and non-exhaust particle emission measurements using a road tunnel environment in Tokyo
Harish Phuleria, Indian Institute of Technology Bombay
Developing real-world emission factors for individual vehicles using low-cost sensors
Silvana Di lorio, Institute of Science and Techno/ogy for Sustainable Energy and Mobility (STEMS) - CNR
Brake wear particles: effects of braking intensity, frequency and temperature
Manuel. Löber, German Aerospace Center (DLR), Stuttgart, Germany
Formation and Morphological Appearance of Tyre Wear Particle Emissions
Eric Thébault, MANN+HUMMEL GmbH
lntegrating a particulate fitter system in the frontend: a step towards achieving emission-neutral vehicles

Emission control of combustion engines
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Shawn Kook, The University of New South Wales
Evolution of nano-scale particle structures within a pilot-main injected Jet tuel flame in a small-bore optical diesel engine
Cheolwoong Park, Korea Institute of Machinery and Materials
Study on the Effects of Operating Conditions on Nanoparticle Emissions in Direct lnjection Ammonia Engines
Yongrae Kim, Korea Institute of Machinery & Materials
Comparison of particle number between the gasoline and hydrogen combustion engine and NOx reduction strategy in the hydrogen engine
Lauretta Rubino, VERT Association
HORIZON AeroSolfd project: Retrofit Filtration Devices for Cleaner Urban Mobility - Focus on highly efficient fitter systems for large scale petrol engine retrofit
Christian Ferrarese, Joint Research Centre (JRC)
Analysis of sub-micrometric particulate emitted by different types of internal combustion engines: a Raman Micro­ spectroscopy study
lrena Ježek Brecelj, Aerosol d.o.o.
Monitoring vehicle emissions with the on-road chasing method over a decade
Michal Vojtisek, Czech University of Life Sciences in Prague
On-road & field measurement of exhaust flow of small engines
Seongin Jo, Chonnam National University
Comparative Study on Combustion and Emissions Characteristics in Dual-Fuel and Blended Fuel Combustion Modes using Ethanol/Diesel and Naphtha/Diesel
Youngjae Jeon, Korea National University of Transportation
A Study on Predicting C02 Emissions Based on Calculated ECU Data and Deep Learning Model on Real-Driving Conditions for LDVs

Filtration of combustion and biogenic nanoparticles
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Yu-Mei Kuo, Chung Hwa University of Medica/ Technology
Performance Evaluation Methods for Air Cleaners
Aiswarya Kumar, IIT Bombay, lndia
Comparison of charging mechanism, the efficiency of particle matter capture and generation of byproducts from different ionization based indoor pollution control technologies

Health effects
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Battist Utinger, University of Basel
Online Quantification of Oxidative Potential from and Residential Wood Combustion (RWC) and Gar Exhaust Aero­sol
Anam Taushiba, Integral University
Microbial lndoor Air Contaminants and lts' Health Risk Assessment in different microenvironments of Lucknow: capital of most polluted State of lndia
Amin Piri, Yonsei University
Nano-dry-salt deposition on electret nonwoven confers anticoronaviral effect while retaining aerosol filtration perfor­mance
Amin Piri, Yonsei University
Aero-manufacture of nanobulges for an in-place anticoronaviral on air filters
Alexandre Barth, University of Basel
Online Measurements of Oxidative Potential and Particle-bound Reactive Oxygen Species of Aircraft Turbine and Ship Engine Particulate Emissions
Antonietta Gatti, Nanodiagnostics Foundation
Nano- and microparticles in babies' brain in SIDS cases
Felix Scholkmann, University of Zurich
Nano- and microparticles in human blood: An analysis of the eluate from double filtration plasmapheresis
Shreya Dubey, Indian Institute of Technology Bombay
Toxicity of Respirable Particulate Matter of Traffic Origin: Effect of Different Driving Conditions and Fleet Character­istics
Srishti Jain, IIT Delhi
Heavy metal characteristics and health risk assessment of PM2.5 over Delhi, lndia
Penelope Baltzopoulou, CPERI/CERTH
Air to Liquid Interface (ALI) cell exposure under transient driving of gasoline vehicles

Indoor particles
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Julie Johansen, Technical University of Denmark
lndoor particle pollution from residential wood stoves
Elisa Caracci, University of Cassino and Southern Lazio
Physical and chemical characterization of indoor particle sources
Paul Sermon, Brunel University
Comparison of outdoor and indoor emissions of ultrafine particles (UFPs) generated by combustion
Felix M Walcher, ETH Zurich
An interactive and playful air quality sensor as an alternative approach to foster students' awareness of bad air quality exposure

Nanoparticle chemistry and toxicology
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Govind Gupta, Swiss Federal Laboratories for Materials Science and Technology (Empa)
2D-hexagonal boron nitride and lung exposure: Exploring cellular interaction and potential health ettects in bronchial and alveolar airway epithelial cell models
Klaudia Köbölova, Brno University TechnoLogy
Potential ecotoxicity of biomass combustion-derived fine and ultrafine particles
Paul Sermon, Brunel University
Biomonitoring of airbome- and waterbome- ultrafine particLes (UFP) emitted from combustion
Angela Violi, University of Michigan
lnteractions of PAHs and nanoparticles with biological systems

Nanoparticle formation and transformation
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Moritz Schenker, ETH Zurich
Crystallization of Ag-Au alloyed Nanopartieles by Molecular Dynamics
Yi Wang, ETH Zurich
Crystallization Onset of Aerosol Au Nanopartieles

Nanopartlcle metrology and chemlcal characterlzatlon
Chair: Oscar Mendo Diaz, Jules Hutter, Empa
Hans-Joachim Schulz, Catalytic Instruments GmbH & Co. KG
Impact of Operating Conditions on the Performance of a Silver Particle Generator
Kingsfey Reavell, Cambustion Ltd
The M2AS - Mass and Mobility Aerosol Spectrometer

Juergen Spielvogel, TSI GmbH
Upcoming standardization for charge conditioners used in particle characterization and for the generation of calibration and test aerosols - ISO 19996

Franz Friebel, femtoG AG
Carbon Black vs Black Carbon - Application-oriented Analysis of Nanomaterials
QiZhi Xu, Paul Scherrer Institut
Assessing the potential to improve polarimetric aerosol property retrievals for black carbon aerosol
Konstantina Vasilatou, Federal Institute of Metrology METAS
Standardisation of Black Carbon aerosol metrics for air quality and climate modelling (EPM StanBC Project)
Tobias Klein, Physikalisch-Technische Bundesanstalt
Traceable size measurement of polystyrene particles for calibration of particle counters using SEM in transmission mode
Ayush Agarwal, Paul Scherrer Institute (PSI) & Ecole Polytechnique Federale Lausanne (EPFL)
Size resolved elemental analysis of bimetallic nanoparticles using SMPS-ICPMS11