Mineral wool fibers incorporated with cuprous oxide for visible light photocatalytic inactivation of Escherichia coli
Mineral wool fibers (MWF) commonly used in building insulation and decoration are incorporated with cuprous oxide particles at room temperature to inactivate Escherichia coli (E. coli). X-ray diffraction (XRD), scanning electron microscopy (SEM), and ultraviolet–visible diffuse reflection absorption...
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| Veröffentlicht in: | Ceramics international 2014, Vol.40 (4), p.5407-5412 |
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| creator | Zhu, Qingwei Zhang, Yihe Wu, Fade Tan, Danjun Wang, Pengqi Chu, Paul.K. |
| description | Mineral wool fibers (MWF) commonly used in building insulation and decoration are incorporated with cuprous oxide particles at room temperature to inactivate Escherichia coli (E. coli). X-ray diffraction (XRD), scanning electron microscopy (SEM), and ultraviolet–visible diffuse reflection absorption spectroscopy (UV–vis/DRS) are employed to characterize the photocatalytic composites and the bactericidal effects are assessed by UV–visible spectrophotometry. Cuprous oxide particles with a size of 100nm can be immobilized effectively on the surface of the MWF. The MWF improves the optical properties of cuprous oxide and red-shifts the band gap thereby enhancing the utilization efficiency of visible light. The Cu2O/MWF composites deliver excellent photocatalytic performance in the inactivation of E. coli. After illumination for 24h, more than 95% of the bacteria are inactivated and the materials are suitable for indoor antibacterial applications. |
| doi_str_mv | 10.1016/j.ceramint.2013.10.122 |
| format | Article |
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X-ray diffraction (XRD), scanning electron microscopy (SEM), and ultraviolet–visible diffuse reflection absorption spectroscopy (UV–vis/DRS) are employed to characterize the photocatalytic composites and the bactericidal effects are assessed by UV–visible spectrophotometry. Cuprous oxide particles with a size of 100nm can be immobilized effectively on the surface of the MWF. The MWF improves the optical properties of cuprous oxide and red-shifts the band gap thereby enhancing the utilization efficiency of visible light. The Cu2O/MWF composites deliver excellent photocatalytic performance in the inactivation of E. coli. 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After illumination for 24h, more than 95% of the bacteria are inactivated and the materials are suitable for indoor antibacterial applications.</description><subject>Bacteria</subject><subject>Building materials</subject><subject>Cuprous oxide</subject><subject>Escherichia coli</subject><subject>Fibers</subject><subject>Fibres</subject><subject>Inactivation</subject><subject>Mineral wool</subject><subject>Mineral wool fibers</subject><subject>Oxides</subject><subject>Photocatalysis</subject><issn>0272-8842</issn><issn>1873-3956</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNkU9vEzEQxS1EJULhKyAfuWzqP7vr3RuoKi1SKy5wtpzZMTuRsw62k9JvX4fQM5xGenq_p5l5jH2QYi2F7K-2a8DkdrSUtRJSr0-6Uq_YSg5GN3rs-tdsJZRRzTC06g17m_NWVHBsxYodHmipdOCPMQbuaYMpc1ogpn1MruDEH6nMHA77FA-Zx980Ifcx8SNl2gTkgX7Ohe_nWCK44sJTIagBDgodXaG48Oj5TYYZE8FMjkMM9I5deBcyvv87L9mPLzffr--a-2-3X68_3zfQyq40LbbSa7PROJlxMAaNgU5rMU3ejcL4XuGojAOpeiOG3vupU91Gj6CNFE70-pJ9POfW7X8dMBe7owwYgluwnmPrE5QeKv4f1k63Q9fJ4WTtz1ZIMeeE3u4T7Vx6slLYUyV2a18qsadK_uhKVfDTGcR685Ew2QyEC-BECaHYKdK_Ip4BJWqaWg</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>Zhu, Qingwei</creator><creator>Zhang, Yihe</creator><creator>Wu, Fade</creator><creator>Tan, Danjun</creator><creator>Wang, Pengqi</creator><creator>Chu, Paul.K.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>C1K</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-4085-4441</orcidid></search><sort><creationdate>2014</creationdate><title>Mineral wool fibers incorporated with cuprous oxide for visible light photocatalytic inactivation of Escherichia coli</title><author>Zhu, Qingwei ; Zhang, Yihe ; Wu, Fade ; Tan, Danjun ; Wang, Pengqi ; Chu, Paul.K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-4e41f37b3ed79877e77c5330ddfa907f62e927ac1267086ffd525b39c3710a063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Bacteria</topic><topic>Building materials</topic><topic>Cuprous oxide</topic><topic>Escherichia coli</topic><topic>Fibers</topic><topic>Fibres</topic><topic>Inactivation</topic><topic>Mineral wool</topic><topic>Mineral wool fibers</topic><topic>Oxides</topic><topic>Photocatalysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, Qingwei</creatorcontrib><creatorcontrib>Zhang, Yihe</creatorcontrib><creatorcontrib>Wu, Fade</creatorcontrib><creatorcontrib>Tan, Danjun</creatorcontrib><creatorcontrib>Wang, Pengqi</creatorcontrib><creatorcontrib>Chu, Paul.K.</creatorcontrib><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Ceramics international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhu, Qingwei</au><au>Zhang, Yihe</au><au>Wu, Fade</au><au>Tan, Danjun</au><au>Wang, Pengqi</au><au>Chu, Paul.K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mineral wool fibers incorporated with cuprous oxide for visible light photocatalytic inactivation of Escherichia coli</atitle><jtitle>Ceramics international</jtitle><date>2014</date><risdate>2014</risdate><volume>40</volume><issue>4</issue><spage>5407</spage><epage>5412</epage><pages>5407-5412</pages><issn>0272-8842</issn><eissn>1873-3956</eissn><abstract>Mineral wool fibers (MWF) commonly used in building insulation and decoration are incorporated with cuprous oxide particles at room temperature to inactivate Escherichia coli (E. coli). X-ray diffraction (XRD), scanning electron microscopy (SEM), and ultraviolet–visible diffuse reflection absorption spectroscopy (UV–vis/DRS) are employed to characterize the photocatalytic composites and the bactericidal effects are assessed by UV–visible spectrophotometry. Cuprous oxide particles with a size of 100nm can be immobilized effectively on the surface of the MWF. The MWF improves the optical properties of cuprous oxide and red-shifts the band gap thereby enhancing the utilization efficiency of visible light. The Cu2O/MWF composites deliver excellent photocatalytic performance in the inactivation of E. coli. After illumination for 24h, more than 95% of the bacteria are inactivated and the materials are suitable for indoor antibacterial applications.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.ceramint.2013.10.122</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-4085-4441</orcidid></addata></record> |
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| ispartof | Ceramics international, 2014, Vol.40 (4), p.5407-5412 |
| issn | 0272-8842 1873-3956 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Bacteria Building materials Cuprous oxide Escherichia coli Fibers Fibres Inactivation Mineral wool Mineral wool fibers Oxides Photocatalysis |
| title | Mineral wool fibers incorporated with cuprous oxide for visible light photocatalytic inactivation of Escherichia coli |
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