PULSED UV IRRADIATION USING DEEP UV-LED FOR INACTIVATION OF &lt;i&gt;ESCHERICHIA COLI&lt;/i&gt;

Sado, Tomoyasu; Oguma, Kumiko; Hashizume, Takumi; Kazama, Shinobu; Takizawa, Satoshi

doi:10.2208/jscejer.75.7_iii_91

Cited by 1 publication

(1 citation statement)

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“…Unlike mercury lamps, UVC-LEDs do not require warm-up time, and can be driven by pulses. 21) The products can be controlled to switch ON and OFF according to the status of people entering and leaving the room, which is detected by motion sensors. Even when entering the room, by controlling the current value, adverse effects on the human body can be minimized while controlling the risk of virus infection in the area.…”

Section: Discussionmentioning

confidence: 99%

Verification of inactivation effect of deep-ultraviolet LEDs on bacteria and viruses, and consideration of effective irradiation methods

Muramoto¹,

Kimura²,

Kondo³

2021

Jpn. J. Appl. Phys.

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With the widespread of the novel coronavirus (SARS-CoV-2), the inactivation of bacteria and viruses using ultraviolet (UV) light has been reevaluated. However, there are many applications where the safety to the human body itself and inactivation effect itself are questioned, and there is a movement to review the UV-C guidelines (Global Lighting Association, Position Statement on Germicidal UV-C Irradiation UV-C SAFETY GUIDELINES, 2020). Since the Minamata Convention on Mercurybans the production of mercury in principle, deep-ultraviolet light-emitting diodes (UVC-LEDs) are now being used in place of mercury lamps. In this paper, we will discuss effective irradiation methods for the inactivation of pathogens on solid surfaces, the inactivation of pathogens in water, and the inactivation of viruses in aerosols using UVC-LED.

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Section: Discussionmentioning

confidence: 99%