Disinfection of Escherichia coli in ice by surface dielectric barrier discharge plasma
A variety of pathogens can cause people to suffer from serious diseases, and the transmission of COVID-19 through the cold chain has once again attracted people's attention to cold chain disinfection. Unfortunately, there is no mature cold chain disinfection technique yet. In this study, a low-...
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| Veröffentlicht in: | Applied Physics Letters 2021-08, Vol.119 (9), p.090601-090601 |
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| container_title | Applied Physics Letters |
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| creator | Guo, Yuntao Liu, Peipei Zhang, Liyang Peng, Siqi Wang, Xinxin Luo, Haiyun Wu, Guizhen |
| description | A variety of pathogens can cause people to suffer from serious diseases, and the transmission of COVID-19 through the cold chain has once again attracted people's attention to cold chain disinfection. Unfortunately, there is no mature cold chain disinfection technique yet. In this study, a low-temperature plasma disinfection technique for a cold chain is proposed. The disinfection effect of plasma generated by surface dielectric barrier discharge on Escherichia coli in ice at cryogenic temperature is studied, and the possible disinfection mechanism is discussed. It is found that the O3 mode and the NOx mode also exist in the surface dielectric barrier discharge at cryogenic temperature, just as at room temperature. The disinfection effect of both modes is weak in 5 min plasma treatment, but in 60 min post-treatment, the NOx mode shows a stronger disinfection effect, with 4.45 log reduction. It is speculated that gaseous H2O2 and NOx can be adsorbed on the ice surface in the NOx mode and then converted into peroxynitrite, which is a powerful bactericidal species. In conclusion, a low-temperature plasma is a promising technique for cold chain disinfection, which is of great significance for ensuring people's health. |
| doi_str_mv | 10.1063/5.0064020 |
| format | Article |
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Unfortunately, there is no mature cold chain disinfection technique yet. In this study, a low-temperature plasma disinfection technique for a cold chain is proposed. The disinfection effect of plasma generated by surface dielectric barrier discharge on Escherichia coli in ice at cryogenic temperature is studied, and the possible disinfection mechanism is discussed. It is found that the O3 mode and the NOx mode also exist in the surface dielectric barrier discharge at cryogenic temperature, just as at room temperature. The disinfection effect of both modes is weak in 5 min plasma treatment, but in 60 min post-treatment, the NOx mode shows a stronger disinfection effect, with 4.45 log reduction. It is speculated that gaseous H2O2 and NOx can be adsorbed on the ice surface in the NOx mode and then converted into peroxynitrite, which is a powerful bactericidal species. In conclusion, a low-temperature plasma is a promising technique for cold chain disinfection, which is of great significance for ensuring people's health.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>EISSN: 0003-6951</identifier><identifier>DOI: 10.1063/5.0064020</identifier><identifier>PMID: 34548671</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>Applied physics ; Cold storage ; Cryogenic temperature ; Dielectric barrier discharge ; Dielectrics ; Disinfection ; E coli ; Fast Track ; Hydrogen peroxide ; Low temperature ; Plasma ; Room temperature ; Supply chains</subject><ispartof>Applied Physics Letters, 2021-08, Vol.119 (9), p.090601-090601</ispartof><rights>Author(s)</rights><rights>2021 Author(s).</rights><rights>2021 Author(s). Published under an exclusive license by AIP Publishing.</rights><rights>2021. 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In conclusion, a low-temperature plasma is a promising technique for cold chain disinfection, which is of great significance for ensuring people's health.</description><subject>Applied physics</subject><subject>Cold storage</subject><subject>Cryogenic temperature</subject><subject>Dielectric barrier discharge</subject><subject>Dielectrics</subject><subject>Disinfection</subject><subject>E coli</subject><subject>Fast Track</subject><subject>Hydrogen peroxide</subject><subject>Low temperature</subject><subject>Plasma</subject><subject>Room temperature</subject><subject>Supply chains</subject><issn>0003-6951</issn><issn>1077-3118</issn><issn>0003-6951</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kdtLHDEUxoNY6qp98B-QgC-1MJozuc6LUKy9gNAX6WvI5OJGZidrMiP43zfLbu0FKgSSnPzOl_PxIXQC5AKIoJf8ghDBSEv20AKIlA0FUPtoQQihjeg4HKDDUh7qlbeUvkUHlHGmhIQF-vEpljgGb6eYRpwCvil26XO0y2iwTUPEccTRetw_4zLnYOrRRT_Uhgrh3uQcfa6l2mbyvcfrwZSVOUZvghmKf7fbj9Dd55u766_N7fcv364_3jaWE5gaYayV0HXOOSGlIkxYcHUx34Xed9Q7BabvTWBK9eBMcFxQapwgIIXq6RG62squ537lnfXjlM2g1zmuTH7WyUT998sYl_o-PWnFaCtAVoH3O4GcHmdfJr2qTvwwmNGnueiWS06l4ExU9Owf9CHNeazuNhSRihEGr1NCQFs_3WidbymbUynZh5eRgehNpJrrXaSVPf3T4wv5K8MKfNgCxcbJbHJ8Ve2_8FPKv0G9doH-BOUZt8U</recordid><startdate>20210830</startdate><enddate>20210830</enddate><creator>Guo, Yuntao</creator><creator>Liu, Peipei</creator><creator>Zhang, Liyang</creator><creator>Peng, Siqi</creator><creator>Wang, Xinxin</creator><creator>Luo, Haiyun</creator><creator>Wu, Guizhen</creator><general>American Institute of Physics</general><general>AIP Publishing LLC</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>COVID</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-9909-9263</orcidid><orcidid>https://orcid.org/0000-0001-8374-9823</orcidid><orcidid>https://orcid.org/0000-0002-3346-7948</orcidid><orcidid>https://orcid.org/0000-0003-3564-6816</orcidid><orcidid>https://orcid.org/0000-0003-2778-4290</orcidid><orcidid>https://orcid.org/0000-0001-6143-5129</orcidid><orcidid>https://orcid.org/0000-0001-5418-3656</orcidid></search><sort><creationdate>20210830</creationdate><title>Disinfection of Escherichia coli in ice by surface dielectric barrier discharge plasma</title><author>Guo, Yuntao ; Liu, Peipei ; Zhang, Liyang ; Peng, Siqi ; Wang, Xinxin ; Luo, Haiyun ; Wu, Guizhen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c501t-6acc7199ddd6778046c1dc1d4e9fbe93ed81abbaf488b1dafd5633ad601768b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Applied physics</topic><topic>Cold storage</topic><topic>Cryogenic temperature</topic><topic>Dielectric barrier discharge</topic><topic>Dielectrics</topic><topic>Disinfection</topic><topic>E coli</topic><topic>Fast Track</topic><topic>Hydrogen peroxide</topic><topic>Low temperature</topic><topic>Plasma</topic><topic>Room temperature</topic><topic>Supply chains</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, Yuntao</creatorcontrib><creatorcontrib>Liu, Peipei</creatorcontrib><creatorcontrib>Zhang, Liyang</creatorcontrib><creatorcontrib>Peng, Siqi</creatorcontrib><creatorcontrib>Wang, Xinxin</creatorcontrib><creatorcontrib>Luo, Haiyun</creatorcontrib><creatorcontrib>Wu, Guizhen</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Coronavirus Research Database</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Applied Physics Letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guo, Yuntao</au><au>Liu, Peipei</au><au>Zhang, Liyang</au><au>Peng, Siqi</au><au>Wang, Xinxin</au><au>Luo, Haiyun</au><au>Wu, Guizhen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Disinfection of Escherichia coli in ice by surface dielectric barrier discharge plasma</atitle><jtitle>Applied Physics Letters</jtitle><addtitle>Appl Phys Lett</addtitle><date>2021-08-30</date><risdate>2021</risdate><volume>119</volume><issue>9</issue><spage>090601</spage><epage>090601</epage><pages>090601-090601</pages><issn>0003-6951</issn><eissn>1077-3118</eissn><eissn>0003-6951</eissn><coden>APPLAB</coden><abstract>A variety of pathogens can cause people to suffer from serious diseases, and the transmission of COVID-19 through the cold chain has once again attracted people's attention to cold chain disinfection. 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| subjects | Applied physics Cold storage Cryogenic temperature Dielectric barrier discharge Dielectrics Disinfection E coli Fast Track Hydrogen peroxide Low temperature Plasma Room temperature Supply chains |
| title | Disinfection of Escherichia coli in ice by surface dielectric barrier discharge plasma |
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