Nicola Elardo, MSCE, Environmental Engineer, Weston and Sampson, Inc. Castine Bernardy, Ph.D. student, Department of Civil and Environmental Engineering, University of New Hampshire Bailey Jones, MS Graduate Student, Department of Civil and Environmental Engineering, University of New Hampshire We have begun to gather information on the number of drinking water ultraviolet … [Read more...] about UV Disinfection Applications for Drinking Water
2022 Quarter 2
The Need for Consistent Germicidal UV Labeling
Mairead Smith, principal project engineer, ECRI Troy Cowan, IUVA Healthcare/UV Working Group facilitator This quarter, we invited Mairead Smith, lead of our UV Labeling Team, to capture the drivers behind the initiative and summarize the team’s efforts to date in drafting labeling standards for UV disinfection sources and UV devices. The plan is that this will result in an … [Read more...] about The Need for Consistent Germicidal UV Labeling
Novel UV-C Sensor Technology for Use in Air and Surface Disinfection Applications
Liz Stevens, writer, UV Solutions L and M Instruments, LLC (L and M), Boston, Massachusetts, designs and manufactures cloud-connected, highly integrated, multi-sensor Internet-of-Things (IoT) environmental and power monitors. The company also licenses sensing technology used by over 100 organizations worldwide. L and M’s sensing capabilities include UV-C, temperature, relative … [Read more...] about Novel UV-C Sensor Technology for Use in Air and Surface Disinfection Applications
Fresh Air: UV Devices in a Post-COVID-19 World
Compiled by Castine Bernardy, Nicola Elardo and James P. Malley Jr., Ph.D., University of New Hampshire, Durham, New Hampshire Editor’s Note: Owners and operators of UV technology are an important stakeholder group; these professionals have limited time and often prefer to remain anonymous when providing feedback. As a result, UV Solutions now builds this column from responses … [Read more...] about Fresh Air: UV Devices in a Post-COVID-19 World
UV-Based Filterless PPE Device UVisor, an Open Source Project
Liz Stevens, writer, UV Solutions UVisor is a full-face, UV-based positive air pressure filtration device designed to protect users against COVID-19. It was designed and developed by a 20+ member team from the US, India, Dubai, Pakistan, UK, Canada, Australia, Germany, Portugal and Poland, brought together by Helpful Engineering (Helpful), an international volunteer open … [Read more...] about UV-Based Filterless PPE Device UVisor, an Open Source Project
The Impact of Bacterial Cell Aggregation on UV Inactivation Kinetics
By Eirini Vitzilaiou, Ph.D., Postdoctoral researcher, University of Copenhagen, Department of Food Science, Section of Microbiology and Fermentation Background Food processing water reuse The food processing industry needs large amounts of water daily for cleaning and transportation purposes, as well as the different food processing steps from the raw materials to the final … [Read more...] about The Impact of Bacterial Cell Aggregation on UV Inactivation Kinetics
Geometrical Limits for UV-C Inactivation of Pathogens
By Jaime Quintanaa, Antonio A. Fernández-Balbuenaa, Juan Carlos Martínez-Antóna, Daniel Vázqueza, Luis Pradab, Luis Estradab, Javier Aldaa* a. Applied Optics Complutense Group, University Complutense of Madrid, Av. Arcos de Jalón, 118, 28037 Madrid, Spain b. Luminalia Ingenieria y Fabricación, P.I. de Granda, Siero, 33199 Asturias, Spain * corresponding author The … [Read more...] about Geometrical Limits for UV-C Inactivation of Pathogens
UV-C and UVPCO for Efficient LED-Based Air Treatment Systems
By Carlton Gibson, UV design and technical support manager, Sensor Electronic Technology, Inc. Introduction Ultraviolet Photocatalytic Oxidation (UVPCO) has been shown to be effective at removing VOCs in small scale demonstrations since the 1990s.6 It has been suggested as a potential solution for energy savings by reducing the required air changes per hour in buildings and … [Read more...] about UV-C and UVPCO for Efficient LED-Based Air Treatment Systems
Public Health Topics Focused on UV Technologies Compiled into One Resource
By Michael T. Postek, assistant professor, University of South Florida, and Norman Horn, director of research, Seal Shield, LLC Availability of smartphones and internet access now is so pervasive that most scientific publishing has moved online. Hence, hard-copy printing has seemingly become passé, to some. Electronic publication does have its advantages, but hard copy “shelf … [Read more...] about Public Health Topics Focused on UV Technologies Compiled into One Resource