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17 March 2023 Inactivation of Salmonella enterica with a novel pulsed blue light panel
John C. Castel, Qune Mahlet, Violet V Bumah, Chukuka S Enwemeka
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Proceedings Volume PC12362, Mechanisms of Photobiomodulation Therapy XVII; PC123620G (2023) https://doi.org/10.1117/12.2668768
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
Recently, we developed an antimicrobial light panel with multiple colors—including white—that could commercially replace light fixtures in farms and other environments that harbor deadly microorganisms. The panel emits blue 450 nm light pulsed at 33 KHz, with 6.85 W average power and 11 mW/cm2 mean irradiance. We demonstrated optimum 100% inactivation of Salmonella enterica serovar Heidelberg following 3hr of illumination with 450 nm wavelength. This finding indicates that it is possible to develop and deploy a safe commercial cost-effective light fixture that can inactivate Salmonella and decontaminate food products.
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John C. Castel, Qune Mahlet, Violet V Bumah, and Chukuka S Enwemeka "Inactivation of Salmonella enterica with a novel pulsed blue light panel", Proc. SPIE PC12362, Mechanisms of Photobiomodulation Therapy XVII, PC123620G (17 March 2023); https://doi.org/10.1117/12.2668768
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KEYWORDS
Bacteria
Diseases and disorders
Industry
Microorganisms
Pathogens
Technology
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