Efficacy of light-emitting diodes emitting 395, 405, 415, and 425 nm blue light for bacterial inactivation and the microbicidal mechanism

[Display omitted] •Bactericidal effect was investigated by four blue LEDs emitting different peak wavelengths.•The blue LEDs achieved effective bacterial inactivation of E. coli O157:H7 in PBS.•Cell inactivation mechanism was assessed to reveal blue light irradiation mode of action.•Besides ROS, pho...

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Bibliographic Details
Published in:Food research international 2021-03, Vol.141, p.110105, Article 110105
Main Authors: Kim, Do-Kyun, Kang, Dong-Hyun
Format: Article
Language:English
Subjects:
aluminum
antibacterial properties
bacteria
blue light
Blue light LED
carbon
cell membranes
energy
Escherichia coli O157
food research
Foodborne pathogen
heat
inactivation
Inactivation mechanism
irradiation
light emitting diodes
mannitol
metabolism
Model equation
pathogens
Peak wavelength
tail
water
wavelengths
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