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Title: Photoactivated carbon dots inducing bacterial functional and molecular alterations
Carbon dots (CDots) of small carbon nanoparticles with oligomeric polyethylenimine for surface functionalization, coupled with visible light exposure, were found highly effective in the inactivation of bacterial pathogens. In this study, using a representative strain of a major foodborne pathogen – Listeria monocytogenes , as a target, the effects of the CDots treatment at sublethal concentrations on bacterial functions/behaviors related to the biofilm formation ability/potential, including cell attachment and swimming motility, were assessed. On the consequence at molecular level, the expression levels of the genes that are related to cell attachment/adhesion, motility, flagellar synthesis, quorum sensing, and environmental stress response and virulence were found all being up-regulated.
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Award ID(s):
2102056 2102021
Publication Date:
Journal Name:
Materials Advances
Page Range or eLocation-ID:
6253 to 6261
Sponsoring Org:
National Science Foundation
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