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  1. Article ; Online: A simple, inexpensive method for gas-phase singlet oxygen generation from sensitizer-impregnated filters: Potential application to bacteria/virus inactivation and pollutant degradation.

    Sunday, Michael Oluwatoyin / Sakugawa, Hiroshi

    The Science of the total environment

    2020  Volume 746, Page(s) 141186

    Abstract: Airborne infectious diseases such as the new Coronavirus 2019 (COVID-19) pose serious threat to human health. Indoor air pollution is a problem of global environmental concern as well. Singlet oxygen ( ...

    Abstract Airborne infectious diseases such as the new Coronavirus 2019 (COVID-19) pose serious threat to human health. Indoor air pollution is a problem of global environmental concern as well. Singlet oxygen (
    MeSH term(s) Bacteria ; Betacoronavirus ; COVID-19 ; Coronavirus Infections ; Environmental Pollutants ; Humans ; Pandemics ; Pneumonia, Viral ; SARS-CoV-2 ; Singlet Oxygen ; Virus Inactivation
    Chemical Substances Environmental Pollutants ; Singlet Oxygen (17778-80-2)
    Keywords covid19
    Language English
    Publishing date 2020-07-23
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2020.141186
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: A simple, inexpensive method for gas-phase singlet oxygen generation from sensitizer-impregnated filters: Potential application to bacteria/virus inactivation and pollutant degradation

    Sunday, Michael Oluwatoyin / Sakugawa, Hiroshi

    Sci Total Environ

    Abstract: Airborne infectious diseases such as the new Coronavirus 2019 (COVID-19) pose serious threat to human health. Indoor air pollution is a problem of global environmental concern as well. Singlet oxygen (1O2) is a reactive oxygen species that plays ... ...

    Abstract Airborne infectious diseases such as the new Coronavirus 2019 (COVID-19) pose serious threat to human health. Indoor air pollution is a problem of global environmental concern as well. Singlet oxygen (1O2) is a reactive oxygen species that plays important role in bacteria/virus inactivation and pollutant degradation. In this study, we found that commercially available filters typically deployed in air purifier and air conditioning units, when impregnated with Rose Bengal (RB) as a 1O2 sensitizer, can be used for heterogeneous gas-phase generation of 1O2. It was confirmed that irradiation of the RB filter under oxygen gas stream produced 1O2, which was measured using furfuryl alcohol trapping method followed by HPLC analysis. It was also observed that the amount of 1O2 generated increases as the light intensity increased. Similarly, the sensitizer loading also positively influenced the 1O2 generation. The heterogeneous gas-phase generation of 1O2 can find potential applications in air purifier and air conditioning units for the purpose of bacteria/virus inactivation and/or pollutant degradation thereby improving indoor air quality.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #671694
    Database COVID19

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  3. Article ; Online: Heterogeneity and potential aquatic toxicity of hydrogen peroxide concentrations in selected rivers across Japan.

    Sunday, Michael Oluwatoyin / Jadoon, Waqar Azeem / Ayeni, Taiwo Tolulope / Iwamoto, Yoko / Takeda, Kazuhiko / Imaizumi, Yoshitaka / Arakaki, Takemitsu / Sakugawa, Hiroshi

    The Science of the total environment

    2020  Volume 733, Page(s) 139349

    Abstract: Hydrogen peroxide ( ... ...

    Abstract Hydrogen peroxide (H
    Language English
    Publishing date 2020-05-12
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2020.139349
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

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