Contact-free inactivation of Trichophyton rubrum and Microsporum canis by cold atmospheric plasma treatment

Heinlin, Julia and Maisch, Tim and Zimmermann, Julia L. and Shimizu, Tetsuji and Holzmann, Thomas and Simon, Michaela and Heider, Judith and Landthaler, Michael and Morfill, Gregor and Karrer, Sigrid (2013) Contact-free inactivation of Trichophyton rubrum and Microsporum canis by cold atmospheric plasma treatment. FUTURE MICROBIOLOGY, 8 (9). pp. 1097-1106. ISSN 1746-0913,

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Abstract

Aim: Cold atmospheric plasma (CAP) has already proven efficient at disinfection of microorganisms including biofilms. The objective of the present study is to assess the efficacy of CAP against the dermatophytes Trichophyton rubrum and Microsporum canis in vitro. Materials & methods:T. rubrum and M. canis were exposed to CAP for different treatment times and time intervals in vitro. Treatment with ciclopirox olamine or UVC radiation (0.120 J/cm(2)) served as controls. CAP was generated by the surface microdischarge technology. Fungal colony growth was measured upon CAP treatment. Results: Repeated daily CAP treatments of 10 min demonstrated an inhibition of growth during the treatment period of 9 days. Single CAP treatment sessions for 5, 8 and 10 min, as well as treatments for 5 or 8 min daily, resulted in less fungal growth inhibition. UVC radiation treatment failed, but not ciclopirox olamine. Conclusion: CAP shows promising potential for future application in the treatment of dermatophyte infections.

Item Type: Article
Uncontrolled Keywords: RANDOMIZED CONTROLLED-TRIAL; CHRONIC WOUNDS; ARGON PLASMA; AIR PLASMA; STERILIZATION; OXYGEN; DECONTAMINATION; ONYCHOMYCOSIS; MEDICINE; BIOFILMS; CAP; cold atmospheric plasmas; dermatophytes; disinfection; plasma medicine
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Dermatologie und Venerologie
Medicine > Lehrstuhl für Medizinische Mikrobiologie und Hygiene
Depositing User: Dr. Gernot Deinzer
Date Deposited: 01 Apr 2020 12:03
Last Modified: 01 Apr 2020 12:03
URI: https://pred.uni-regensburg.de/id/eprint/16123

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