| Advancing the sciences, engineering & applications of ultraviolet technologies to enhance the quality of human life & to protect the environment. |
IFCUST 2025: ProgramSunday, June 155:00 PM
Opening Reception & Early Registration
6:00 PM
One decade of Far UVC - reflections, stories and question
Holger Claus, A3 Lighting Consulting (formerly Ushio America) (Keynote)
6:45 PM
Reception
| Key Dates: Registration Open: February 3, 2025 Abstract Acceptance Announced: April 11, 2025 Early Bird Registration Closes: May 16, 2025 |
Monday, June 16
08:00 AM
Registration
08:00 AM
Breakfast
09:00 AM
Welcome/Opening Ceremony
(Registration)
09:30 AM
Far-UVC (222-nm) Enhances the Advanced Reduction Processes for PFAS Destruction in Water
Ching-Hua Huang, Georgia Tech (Keynote)
10:00 AM
Enhanced Removal of 1,4-Dioxane in Wastewater Recycling by UV/Chloramines with Far UVC (222 nm)
Jiale Xu, North Dakota State University (Water)
10:20 AM
Wavelength-Dependent Production of Reactive Intermediates from Dissolved Organic Matter
Joshua Quinn, Arizona State University (Water)
10:40 AM
The impact of nitrate in efficiency of UV 222 enabled water treatment
Emma Payne, University of Colorado Boulder (Water)
11:00 AM
Break
11:30 AM
Using Phosphors to Identify Ultraviolet Spectra and Measure Irradiance
David Welch, Columbia University (Methods)
11:50 AM
Large-Scale Chamber Tests of GUV Systems: Best Practices Large Chamber Manuscript & Supporting Information (PDF) Ernest R. Blatchley III, Purdue University(Methods)
12:10 PM
CALiPER Radiometric and Ozone Testing of Far UV-C Luminaires
Jason Tuenge, Pacific Northwest National Laboratory (Methods)
12:30 PM
Lunch
01:30 PM
Tradeoffs in Indoor Ozone: Far-UVC with ASHRAE 62.1 Ventilation versus Increased Ventilation per ASHRAE 241
01:50 PM
Comparing the Performance of Whole Room Far UV-C to other Airborne Pathogen Mitigation Measures to Meet Clean Air Targets in Various Space Types
Cary Faulkner, Pacific Northwest National Laboratory (Air)
02:10 PM
Far-UVC and Ozone: What's the Problem?
Christopher A. Bowers, North Carolina State University (Air)
02:30 PM
Far-UVC (222 nm) within a dental clinic reduces the airborne bacterial burden
David Welch, Columbia University (Air)
02:50 PM
Real-World Efficacy of Far-UVC Technology in Reducing Bioburden Across Diverse Environments
Janet Price, Lit Thinking (Air)
03:10 PM
Break & Poster Session
04:00 PM
Far UV Dose-Response Curve Against Human-generated Mtb Aerosol with an Infection End Point - Work in Progress
Edward Nardell, Brigham & Women's Hospital, Harvard Medical School (Air)
04:20 PM
Assessing the Impact of Far-UVC (222 nm) on Indoor Air Quality in Real-World Conditions: Ozone Formation and Secondary Organic Aerosols
Farideh Hosseini Narouei, Columbia University (Air)
04:40 PM
Disinfection kinetics and practical application of Far UVC on ESKAPEE pathogens in a hospital setting
Lindsay Saber, University of North Carolina at Chapel Hill (Air)
05:00 PM
The Effects of GUV on Indoor Air Quality
Joost de Gouw, University of Colorado Boulder (Keynote)
06:00 PM
Reception & Beer Tasting @ Wild Provisions (Bus @ 5:45)
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Tuesday, June 17
07:30 AM
Breakfast
08:30 AM
Exposure to far-UVC: Biological effects on cells and tissues
Manuela Buonanno, Columbia University (Keynote)
09:00 AM
Investigation of 222 nm UV-C irradiation bactericidal effect on the surgical field in a rabbit model
Hiroyuki Ohashi, Ushio Inc. (Health)
09:20 AM
Comparison of cellular death pathways in immortalized human corneal epithelial cells exposed to conventional UVC (254 nm) or far-UVC (222 nm) radiation.
Imke Folkerts, Columbia University (Health)
09:40 AM
Effects of 222 nm Far-UVC irradiance and exposure duration on subjective ocular discomfort and corneal integrity
Kazunobu Sugihara, Shimane University (Health)
10:00 AM
Comprehensive ocular assessments of eye irritation after far-UVC exposure.
Norman Kleiman, Columbia University (Health)
10:20 AM
Update from the NIST/IUVA Workshop
10:40 AM
Break & Poster Session
11:30 AM
Reduced efficiency of Far-UVC depending on phage suspension media
Jonathan Vyskocil, University of Maryland (Methods)
11:50 AM
Impact of inoculum composition on microbe inactivation by 222 nm and 254 nm UVC
Katherine Ratliff, U.S. Environmental Protection Agency (Methods)
12:10 PM
Evaluating Tools for Predicting Radiometric Performance of GUV Systems
Valeria Holland, Pacific Northwest National Laboratory (Methods)
12:30 PM
Lunch
01:30 PM
Modelling the formation of pollutants from the use of 222nm Germicidal UV Light in a real indoor environment
Madison Rutherford, University of Colorado Boulder (Air)
01:50 PM
Risk Assessment and Efficient Ultraviolet (in-situ Far-UVC and upper-room UVGI) Control Methods for Airborne Pathogens in Intensive Livestock Housing
Mengkai Li, Chinese Academy of Sciences (Air)
02:10 PM
UV-C Sensitive Aerosol Tracer for 222nm Effectiveness in Real World Settings
Nicholas Heredia, SafeTraces Inc. (Air)
02:30 PM
Industry and Philanthropy Panel: Ushio, Lumen Labs, Blueprint, Lit Thinking
(Industry Panel)
03:00 PM
Break & Poster Session
04:00 PM
A Blueprint for Far-UVC in Pandemic Defense
Richard Williamson, Blueprint Biosecurity (Info)
04:20 PM
A Prototype Information HUB for Germicidal UV
Kathleen M. McPhaul, UMD School of Public Health (Info)
04:40 PM
Illuminate: updates and developments to a free and open source germicidal UV modeling tool
Vivian Belenky, Columbia University (Info)
05:00 PM
Improving Indoor Air Quality and Energy Efficiency Through Germicidal UVC
Joel Dazey, Space Needle (Keynote)
06:00 PM
Conference Dinner: Farm to Table @ Ollin Farms
Wednesday, June 18
08:30 AM
Preventing the next pandemic with far-UVC
09:00 AM
Mitigation of indoor air pollution caused by GUV222 air disinfection using a catalyst
Rebecca Mesburis, University of Colorado Boulder (Air)
09:20 AM
UV-C222 Inactivation of Healthcare Associated Pathogens and a Surrogate in Patient Rooms
Richard L Vincent, Icahn School of Medicine (Air)
09:40 AM
In-Situ Evaluation of Far-UVC Disinfection in High-Risk Class I Laminar Flow Operating Rooms
Simon Shi, Lumenlabs (Air)
10:00 AM
UV-induced viral genome damage across wavelengths
Kamrun Nahar Mim, University of Nevada, Reno (Air)
10:20 AM
Break & Poster Session
11:00 AM
Broadband UVC Lamps for Air Disinfection
Daniel Murnick, VUV Technologies and Rutgers University (New App)
11:20 AM
Solid-State Far-UVC Challenges and Opportunities
Seth Coe-Sullivan, NS Nanotech, Inc. (New App)
11:40 AM
A Low-cost, Scalable Photonic Integrated Circuit Designed to Emit Far-UVC Light
Scott Burroughs, Uviquity (New App)
12:00 PM
Development of a Novel Periodontal Treatment Device Using 222 nm Far UV-C
Toru Koi, Ushio inc. (New App)
12:20 PM
Lunch
01:30 PM
Far-UVC light damages DNA predominately via oxidative stress-related mechanisms
Norman Kleiman, Columbia University (Health)
01:50 PM
Analysis of Skin Thickness Using Caliper Bi-fold Measurements After Acute UV Exposures in SKH-1 Mice
Raabia Hashmi, Columbia University (Health)
02:10 PM
Far-UVC (222nm) irradiation effectively inactivates ssRNA, dsRNA, ssDNA, and dsDNA viruses as compared to germicidal UVC (254nm)
Ambarish Kunwar, Indian Institute of Technology Bombay (Health)
02:30 PM
Evaluating the Potential of Far-UVC light for Improving Food Safety and Security
Yi-Cheng Wang, University of Illinois Urbana Champaign (Health)
02:50 PM
Summary/Closing Ceremony
03:30 PM
Conference Closes
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