ArticleApplied and environmental microbiology2016
Using UVC Light-Emitting Diodes at Wavelengths of 266 to 279 Nanometers To Inactivate Foodborne Pathogens and Pasteurize Sliced Cheese.
Article in Applied and environmental microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed.
- Inactivation of deposited bioaerosols on food contact surfaces with UV-C light emitting diode devices.Applied and environmental microbiology · 2025Article
- Ultraviolet germicidal irradiation for surface cleaning of COVID-19 in healthcare settings: A review.Journal of public health in Africa · 2025Review
- Ultraviolet (UV-C) Light Systems for the Inactivation of Feline Calicivirus and Tulane Virus in Model Fluid Foods.Food and environmental virology · 2024Article
- Inactivation of Hepatitis A Virus and Feline Calicivirus on Model Food Contact Surfaces by Ultraviolet Light (UV-C) Systems.Foods (Basel, Switzerland) · 2024Article
- Comparative assessment of UV-C radiation and non-thermal plasma for inactivation of foodborne fungal spores suspensionRSC advances · 2024Article
- Cell density and extracellular matrix composition mitigate bacterial biofilm sensitivity to UV-C LED irradiation.Applied microbiology and biotechnology · 2024Article
- Article
- Blue 405 nm LED light effectively inactivates bacterial pathogens on substrates and packaging materials used in food processing.Scientific reports · 2023Article
- Stability of SARS-CoV-2 in cold-chain transportation environments and the efficacy of disinfection measures.Frontiers in cellular and infection microbiology · 2023Article
- The Effectiveness of Ultraviolet-C (UV-C) Irradiation on the Viability of AirborneInternational journal of environmental research and public health · 2022Article
- Ultraviolet radiation and the human eye.Arquivos brasileiros de oftalmologia · 2022Article
- A Comprehensive Analysis of the UVC LEDs' Applications and Decontamination Capability.Materials (Basel, Switzerland) · 2022Review
- Systematic evaluating and modeling of SARS-CoV-2 UVC disinfection.Scientific reports · 2022Article
- Effect of Ultraviolet Light C (UV-C) Radiation Generated by Semiconductor Light Sources on HumanMaterials (Basel, Switzerland) · 2022Article
- Usefulness of a new DUV-LED device for the control of infection byFrontiers in public health · 2022Article
- Acaricidal efficacy of ultraviolet-C irradiation of Tetranychus urticae adults and eggs using a pulsed krypton fluoride excimer laser.Parasites & vectors · 2021Article
- Radiobiological effects and medical applications of non-ionizing radiation.Saudi journal of biological sciences · 2021Review
- Effects of Combined Aerosolization with Ultraviolet C Light-Emitting Diode on EnterohemorrhagicFoods (Basel, Switzerland) · 2021Article
- Specificity of UV-C LED disinfection efficacy for three N95 respirators.Scientific reports · 2021Article
- Combined Hurdle Technologies Using UVC Waterproof LED for Inactivating Foodborne Pathogens on Fresh-Cut Fruits.Foods (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
UVC light is a widely used sterilization technology. However, UV lamps have several limitations, including low activity at refrigeration temperatures, a long warm-up time, and risk of mercury exposure. UV-type lamps only emit light at 254 nm, so as an alternative, UV light-emitting diodes (UV-LEDs) which can produce the desired wavelengths have been developed. In this study, we validated the inactivation efficacy of UV-LEDs by wavelength and compared the results to those of conventional UV lamps. Selective media inoculated with Escherichia coli O157:H7, Salmonella enterica serovar Typhimurium, and Listeria monocytogenes were irradiated using UV-LEDs at 266, 270, 275, and 279 nm in the UVC spectrum at 0.1, 0.2, 0.5, and 0.7 mJ/cm(2), respectively. The radiation intensity of the UV-LEDs was about 4 μW/cm(2), and UV lamps were covered with polypropylene films to adjust the light intensity similar to those of UV-LEDs. In addition, we applied UV-LED to sliced cheese at doses of 1, 2, and 3 mJ/cm(2). Our results showed that inactivation rates after UV-LED treatment were significantly different (P < 0.05) from those of UV lamps at a similar intensity. On microbiological media, UV-LED treatments at 266 and 270 nm showed significantly different (P < 0.05) inactivation effects than other wavelength modules. For sliced cheeses, 4- to 5-log reductions occurred after treatment at 3 mJ/cm(2) for all three pathogens, with negligible generation of injured cells.
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