Discussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall

Abstract Research has previously shown that ultraviolet light C (UV-C) can inactivate unexpected infection. However, this type of potential disinfection is dramatically reduced for the shadow area such as under desk or medical equipment. Because the UV-C reflectance ratio is low on the general wall...

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Autores principales:	Tomonori Endo, Aki Gemma, Ryoto Mitsuyoshi, Hiroki Kodama, Daiya Asaka, Midori Kono, Takeshi Mochizuki, Hiromi Kojima, Takeo Iwamoto, Saburo Saito
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9917dc770f4a4411a8bb868c904877b2
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spelling	oai:doaj.org-article:9917dc770f4a4411a8bb868c904877b22021-11-14T12:20:41ZDiscussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall10.1038/s41598-021-01315-12045-2322https://doaj.org/article/9917dc770f4a4411a8bb868c904877b22021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01315-1https://doaj.org/toc/2045-2322Abstract Research has previously shown that ultraviolet light C (UV-C) can inactivate unexpected infection. However, this type of potential disinfection is dramatically reduced for the shadow area such as under desk or medical equipment. Because the UV-C reflectance ratio is low on the general wall surfaces. We compared Stucco against the other materials to investigate whether we could improve disinfection for the shadow area. The reflectance ratios of UV-C irradiation of each material were examined, with particular attention to the rates for the author’s Modified Stucco. To evaluate the disinfection effects of the UV-C reflective lighting, colonies of E. coli and of Staphylococcus hominis were cultured in an agar media and counted over a certain time period after applying UV-C irradiation from a sterilizing lamp onto the investigation materials. The author’s Modified Stucco, produced reflectance ratios that was 11 times that of white wallpaper. This demonstrated that the UV-C reflected on the Stucco wall having optimum components and their compositions inhibited the number of E. coli and S. hominis, resulting in significantly disinfection effects on white wallpapers. The space with Modified Stucco and then irradiated by a UV-C may give a strong disinfection effect.Tomonori EndoAki GemmaRyoto MitsuyoshiHiroki KodamaDaiya AsakaMidori KonoTakeshi MochizukiHiromi KojimaTakeo IwamotoSaburo SaitoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tomonori Endo Aki Gemma Ryoto Mitsuyoshi Hiroki Kodama Daiya Asaka Midori Kono Takeshi Mochizuki Hiromi Kojima Takeo Iwamoto Saburo Saito Discussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall
description	Abstract Research has previously shown that ultraviolet light C (UV-C) can inactivate unexpected infection. However, this type of potential disinfection is dramatically reduced for the shadow area such as under desk or medical equipment. Because the UV-C reflectance ratio is low on the general wall surfaces. We compared Stucco against the other materials to investigate whether we could improve disinfection for the shadow area. The reflectance ratios of UV-C irradiation of each material were examined, with particular attention to the rates for the author’s Modified Stucco. To evaluate the disinfection effects of the UV-C reflective lighting, colonies of E. coli and of Staphylococcus hominis were cultured in an agar media and counted over a certain time period after applying UV-C irradiation from a sterilizing lamp onto the investigation materials. The author’s Modified Stucco, produced reflectance ratios that was 11 times that of white wallpaper. This demonstrated that the UV-C reflected on the Stucco wall having optimum components and their compositions inhibited the number of E. coli and S. hominis, resulting in significantly disinfection effects on white wallpapers. The space with Modified Stucco and then irradiated by a UV-C may give a strong disinfection effect.
format	article
author	Tomonori Endo Aki Gemma Ryoto Mitsuyoshi Hiroki Kodama Daiya Asaka Midori Kono Takeshi Mochizuki Hiromi Kojima Takeo Iwamoto Saburo Saito
author_facet	Tomonori Endo Aki Gemma Ryoto Mitsuyoshi Hiroki Kodama Daiya Asaka Midori Kono Takeshi Mochizuki Hiromi Kojima Takeo Iwamoto Saburo Saito
author_sort	Tomonori Endo
title	Discussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall
title_short	Discussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall
title_full	Discussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall
title_fullStr	Discussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall
title_full_unstemmed	Discussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall
title_sort	discussion on effect of material on uv reflection and its disinfection with focus on japanese stucco for interior wall
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9917dc770f4a4411a8bb868c904877b2
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Discussion on effect of material on UV reflection and its disinfection with focus on Japanese Stucco for interior wall

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