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Title: Antimicrobial enhancement via Cerium (II)/Lanthanum (III)‐doped TiO₂ for emergency leak sealing polyurea coating system
Authors: Li, Yuanzhe
Fang, Cong
Zhuang, Wei-Qin
Wang, Haojing
Wang, Xueli
Keywords: Engineering::Materials
Engineering::Chemical engineering
Issue Date: 2022
Source: Li, Y., Fang, C., Zhuang, W., Wang, H. & Wang, X. (2022). Antimicrobial enhancement via Cerium (II)/Lanthanum (III)‐doped TiO₂ for emergency leak sealing polyurea coating system. Npj Materials Degradation, 6(1).
Project: 122018-T1-001-077 
Journal: npj Materials Degradation 
Abstract: Industrial piping structures often suffer from corrosion caused by biofouling or chemical etching, which can cause immediate structural failure. Polyurea coatings, which are fabricated for emergency leak sealing, are able to form high mechanical strength coating surfaces within seconds. After its further modification via Ce/La-doped TiO2, the polyurea coating will indicate an increment in mechanical strength, chemical durability, and reduction of microbial attachment. Due to the adsorption by the Ce/La-doped TiO2 and generation of reactive oxygen species (ROS), E. coli and Pseudomonas may lose their living conditions during the progress, and planktonic bacteria cells are prevented from enriching on the surface. The Ce/La‐dopants can also improve the original photocatalytic response of nano-TiO2 to UV light and environmental temperature. These Ce/La-doped TiO2 polyurea coatings illustrate an immediate application for emergency leak sealing purposes without any production interruption and it may prolong the time intervals for the maintenance service as well.
ISSN: 2397-2106
DOI: 10.1038/s41529-022-00249-x
Schools: School of Materials Science and Engineering 
School of Chemical and Biomedical Engineering 
Rights: © The Author(s) 2022. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons. org/licenses/by/4.0/.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles
SCBE Journal Articles

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