Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 15, Issue 39, Pages 45601-45605Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.3c09216
Keywords
graphene; cold plasma; antibacterial; ozone; reactive oxygen species; polyimide
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This study validates the use of laser-induced graphene as an effective structure for producing therapeutic cold plasma for the treatment of bacterial infections. Ozone is identified as the primary mediator of antibacterial activity in graphene-mediated cold plasmas under the studied conditions.
Low-temperature plasma is an emerging approach for the treatment of bacterial infections. Nonchemical treatments such as cold plasma offer potential solutions to antibiotic resistance. We investigated the use of laser-induced graphene as an inexpensive, lightweight, and portable electrode for generating cold plasma. At the same time, the mechanism or molecular mediators of cold plasma-induced antibacterial activity remain poorly understood. This study validates graphene as an efficient structure for producing therapeutic cold plasma, and this study also indicates that ozone is the primary mediator of antibacterial activity in graphene-mediated cold plasmas for bacterial growth under the conditions studied.
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