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Comparative evaluation of the virucidal effect of remote and direct cold air plasmas with UV‐C
Author(s) -
Moldgy Ankit,
Aboubakr Hamada,
Nayak Gaurav,
Goyal Sagar,
Bruggeman Peter
Publication year - 2020
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.201900234
Subject(s) - dielectric barrier discharge , human decontamination , plasma , atmospheric pressure plasma , remote plasma , materials science , atmospheric pressure , nonthermal plasma , plasma cleaning , nanotechnology , environmental science , chemistry , optoelectronics , dielectric , waste management , chemical vapor deposition , physics , quantum mechanics , meteorology , engineering
Abstract Cold atmospheric pressure plasma is an emerging nonthermal processing technology for the decontamination of foodborne pathogens. This study presents a comparative evaluation of the energy efficiency of the decontamination by three different dielectric barrier discharge (DBD) setups operating in air against Feline calicivirus with a UV‐C lamp. Significant enhancement of the energy efficiency was achieved with a lab‐scale batch reactor prototype, which employed surface DBD, leading to similar energy per unit area requirements as that for UV‐C. A key advantage of plasma over UV‐based disinfection systems is that plasmas are not limited by shadowing effects. Nonetheless, unlike UV‐C, the virucidal efficacy of plasma is significantly reduced for dry samples and remote plasma treatment is only effective against wet samples.