ICULTA 2021 Program

Mon, April 19Tue, April 20


Monday, April 19, 2021

Time in CET – Central European Time (UTC +1)

08:15- 08:30

Welcome & Opening Remarks


Exhibition Open

08:30- 09:00

Plenary Session Mo-AB1

UV-LEDs for water disinfection: The forefront of research and applications
Kumiko Oguma | The University of Tokyo, Japan


Session Mo-A2

Session Mo-B2
Food & Biotech Applications


Invited talk:
Characteristics of UV-LED sources for spectroscopic applications
Christoph Söller | Heraeus Noblelight, Germany

Invited talk:
Peach flesh metabolome is modulated by UV-B radiation although UV-B does not penetrate the peach skin
Marco Santin | University of Pisa, Italy


Invited talk:
Development of LED based diffuse reflectance spectroscopy device for the non-invasive in vivo measurement of UVA‑PF and SPF

Carina Reble | Courage + Khazaka electronic GmbH, Germany

Invited talk:
UV-C LED usage for bacterial decontamination of technical surfaces in food processing
Susanne Fleischmann | Freie Universität Berlin, Germany


Construction and characterization of a high-power UV-LED module as radiation source for goniometric spectral radiance factor measurements
Irina Santourian | PTB, Germany

LED technology for decontamination of dried food ingredients
Laura M. Hinds | Teagasc Food Research Centre and University College Dublin, Ireland


DNA analysis with UV LEDs
Christian Möller | CiS Forschungsinstitut für Mikrosensorik GmbH, Germany

Extracts from UVB treated plants do not provoke cytotoxicity, genotoxicity or oxidative stress in vitro
Melanie Wiesner-Reinhold | Leibniz Institute of Vegetable and Ornamental Crops e.V., Germany

10:10- 11:30



Session Mo-A3
LED Technology

Session Mo-B3
Medical Applications


Invited talk:
Characterization of AlGaN deep-ultraviolet light-emitting diodes grown on AlN/sapphire templates with dense macrosteps and its application of high-speed solar-blind optical wireless
Kazunobu Kojima | Tohoku University, Japan

Invited talk:
233 nm UVC LED irradiation for MRSA and MSSA eradication and risk assessment of skin damage ex vivo
Martina Meinke | Charité, Germany


Invited talk:
Understanding the degradation mechanisms of UVB and UVC LEDs to improve their reliability
Johannes Glaab | Ferdinand-Braun-Institut, Germany

Invited talk:
Applications of ultraviolet light in healthcare
Rick Martinello | Yale School of Medicine, USA


Enhanced light extraction for UV-LEDs by SMD-packaging with integrated Reflectors
Ulli Hansen | MSG Lithoglas GmbH, Germany

Preventing hospital-acquired infections with UVC LEDs
Marvin Ruffin | Excelitas Technologies Corp., USA


Fabrication of aluminum-coated plastic reflectors with an innovative metallic intermediate layer for high-power UV LED modules
Moshe Weizman | OSA Opto Light GmbH, Germany

UV-activated prevention of biofilm spreading in siphons
Linda L. Steinhäußer l Fraunhofer Institut Organische Elektronik, Germany

12:50- 14:30


14:30- 15:30

Poster Session – Vote for the best poster!

15:30- 16:00

Plenary Session Mo-AB4

Thinking outside the treatment plant: UV LEDs for distributed disinfection applications
Karl Linden | University of Colorado Boulder, USA


Session Mo-A5
Disinfection & Purification I

Session Mo-B5


Invited talk:
Defining a figure of merit for UVC radiation efficiency in a water disinfection reactor and the impact of UVT, reflectivity and size
Leo J. Schowalter | Crystal IS, USA

Invited talk:
Factors affecting UV device validation in air and surface disinfection
James P. Malley | University of New Hampshire, USA


Invited talk:
Comparing UV-LED and UV lamps for micropollutant degradation with free chlorine advanced oxidation process in different water matrices
Madjid Mohseni | The University of British Columbia, Canada

Invited talk:
Is far-UVC radiation a promising approach to prevent airborne infections in regard to the ongoing SARS-CoV-2 pandemic?
Axel Kramer | Universitätsmedizin Greifswald, Germany


Selection, evaluation and integration of UV-LED water disinfection modules
Babak Adeli | Acuva Technologies Inc., Canada

Disinfection of coronavirus by UVC LEDs: a line of defense to contain pandemics
Hadas Mamane I Tel Aviv University, Israel


Fundamentals of design for UV-C LED surface disinfection applications
Richard M. Simons | AquiSense Technologies LLC, USA

UV inactivation kinetics of SARS-CoV-2 and HCoV-229E using UV-LEDs
Milad Raeiszadeh | ACUVA Technologies, USA


End of Conference Day & Exhibition

Tuesday, April 20, 2021

Time in CET – Central European Time (UTC +1)


Exhibition Open

08:30- 09:00

Plenary Session Tu-AB1

UV LEDs: Recent advances and future prospects of this versatile technology
Neysha Lobo Ploch | UVphotonics, Germany


Session Tu-A2
Disinfection & Purification II

Session Tu-B2
UV Curing


Invited talk:
UV LED systems put to the test: A diary of a test center
Tim Schwarzenberger | DVGW – Technologiezentrum Wasser, Germany

Invited talk:
Characteristics of UV-LEDs for industrial curing solutions
Petra Burger | Dr. Hönle AG, Germany


Hydroxyl radical formation and removal efficiency of sulfonamide antibiotics from real water matrices using UV-LED irradiated TiO2 and ZnO photocatalysts
Mate Nafradi | Szeged University, Hungary

Continuous nap-core production process including UV-LED curing
Mathias Köhler | Fraunhofer IAP, Research Division Polymeric Materials and Composites PYCO, Germany


Enhanced bacterial inactivation through sequential irradiation with UV-LEDs at specific wavelengths
Kai Song | The University of British Columbia, Canada, and Nanjing Forestry University, China

UV LED curing in textile industry
Ralf Lungwitz | Sächsisches Textilforschungsinstitut e.V., Germany


UV LED validation per USEPA UVDGM and innovative approaches
Traci Brooks | Carollo Engineers, USA

Innovative UV LED curable polymer coatings for glass fibers
Mathias Köhler | Fraunhofer IAP, Research Division Polymeric Materials and Composites PYCO, Germany

10:05- 11:30


11:30- 12:00

Plenary Session Tu-AB3

Exploring the wavelength and efficiency limits of deep UV LEDs
Michael Kneissl | Technische Universität Berlin, Germany


Session Tu-A4
Measurement Technology

Session Tu-B4
UV Applications


Optical internal quantum efficiency determination of UVC LEDs – Towards a standardization of experimental conditions
Christian Frankerl |
OSRAM Opto Semiconductors GmbH and Technische Universität Berlin, Germany

UVC-LED based pretreatment for biofouling control in desalination processes with thin-film composite membranes
Philipp Sperle | Technical University of Munich, Germany


Accurate UV-C LED measurement techniques include the removal of fluorescence effects
Mike Clark | Gigahertz-Optik, Germany

Impact of irradiation frequencies and duty intervals on UV-LEDs photoreactor performance used in Advanced Oxidation Processes
Mohammad Hossein Rasoulifard | University of Zanjan, Iran


Advances in in-situ metrology of UV-LED structures in MOCVD
Kolja Haberland | LayTec AG, Germany

Effect of wavelength and intensity on E. coli inactivation kinetics
Dana Pousty | Tel Aviv University, Israel, and University of Toronto, Canada


UV-LED activated semiconductor biosensor for lactate monitoring in sweat
Nastaran Taleghani I University of British Columbia, Canada

UV-C LED – challenges, status quo & outlook: A perspective from an LED manufacturer
Jonatan Klee | NICHIA Europe, Germany


Measurement systems and calibrations for UV radiation
D. Konjhodzic | Instrument Systems GmbH, Germany

UV-C LEDs and their advantages in various system designs
Alexander Wilm | OSRAM, Germany

13:15- 15:00


15:00- 16:00

Poster Session – Voting for the best poster ends at 15:30.

16:00- 16:10

Closing Remarks


Joint Plenary on Standardization of UV LED (Systems) Characterization Tu-AB5


UV radiometry for LED-based systems
Peter Sperfeld and Thorsten Gerloff | PTB, Germany


The need for standards in UV-LED water disinfection systems, and challenges for application to a world market
Gordon Knight | International Ultraviolet Association, USA


New alternative UV test method in NSF/ANSI 55 – ultraviolet microbiological water treatment systems
Mike Blumenstein | NSF International, USA


UV LED disinfection for public water supply: Preparation of a test protocol in Germany
David Warschke | DVGW, Germany


Raising the standard: The case for holistic guidelines for UV-C LED based water treatment systems
Oliver Lawal | AquiSense Technologies, USA

17:40- 18:15

Panel Discussion

Standardization: What is needed and what is in the pipeline?


End of Conference & Exhibition