About: Ultrafast physical bacterial inactivation and photocatalytic self-cleaning of ZnO nanoarrays for rapid and sustainable bactericidal applications

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Ultrafast physical bacterial inactivation and photocatalytic self-cleaning of ZnO nanoarrays for rapid and sustainable bactericidal applications
Creator	Wei, Wei Hui, David Wang, Li Xu, Xiaoling Wang, Yong Yin, Hong Li, Jinyang Zhang, Qiao Xie, Yuan Li, Da Meng, Fanbin Qu, Xi Zhou, Zuowan
topic	covid:44a508f5f2b3b5b310f1552a6a67667daad5d488#this
source	Elsevier; Medline; PMC
abstract	Abstract Various nanostructured surfaces have been developed recently to physically inactivate bacteria, for reducing the rapidly spreading threat of pathogenic bacteria. However, it generally takes several hours for these surfaces to inactivate most of the bacteria, which greatly limits their application in the fields favoring rapid bactericidal performance. Besides, the accumulated bacteria debris left on these surfaces is rarely discussed in the previous reports. Herein we report the nanotip-engineered ZnO nanoarrays (NAs) with ultrafast physical bactericidal rate and the ability to photocatalytically remove the bacteria debris. Neither chemical (Zn2+ or reactive oxygen species) nor photocatalytic effect leads to the ultrafast bactericidal rate, where 97.5% of E. coli and 94.9% of S. aureus are inactivated within only 1 min. The simulation analysis further supported our proposed mechanism attributing the ultrafast bactericidal activity to the great stress enabled by the uneven topography. Moreover, the re-exposure of the ZnO NAs nanotips can be achieved in only 10 min under a mild UV light source. This study not only presents an ultrafast physical bactericidal activity, but also demonstrates the potential of the recyclable and photocatalytic self-cleaning functions of theses surfaces for applications that desire rapid and sustainable bactericidal performance.
has issue date	2020-06-02(xsd:dateTime)
bibo:doi	10.1016/j.scitotenv.2020.139714
bibo:pmid	32531587
has license	els-covid
sha1sum (hex)	44a508f5f2b3b5b310f1552a6a67667daad5d488
schema:url	https://doi.org/10.1016/j.scitotenv.2020.139714
resource representing a document's title	Ultrafast physical bacterial inactivation and photocatalytic self-cleaning of ZnO nanoarrays for rapid and sustainable bactericidal applications
has PubMed Central identifier	PMC7266591
has PubMed identifier	32531587
schema:publication	Sci Total Environ
resource representing a document's body	covid:44a508f5f2b3b5b310f1552a6a67667daad5d488#body_text
is http://vocab.deri.ie/void#inDataset of	proxy:http/ns.inria.fr/covid19/44a508f5f2b3b5b310f1552a6a67667daad5d488
is schema:about of	named entity 'physical' named entity 'Journal' named entity 'XIE' named entity 'CITE' named entity 'photocatalytic' named entity 'photocatalytic' named entity 'Bactericidal' named entity 'S16' named entity 'bactericidal' named entity 'ZnO' named entity 'incubation time' named entity 'ZnO' named entity 'bactericidal' named entity 'bactericidal' named entity 'incompressible fluid' named entity 'nanostructures' named entity 'Hooke's law' named entity 'E. coli' named entity 'photocatalytic' named entity 'cellular adhesion' named entity 'control sample' named entity 'bactericidal' named entity 'ZnO' named entity 'morphological' named entity '17.1' named entity 'bacteria' named entity 'bacteria' named entity 'bactericidal' named entity 'cell temperature' named entity 'ZnO' named entity 'bactericidal' named entity 'lower concentration' named entity 'nanostructured surfaces' named entity 'bactericidal' named entity 'capillary force' named entity 'bactericidal' named entity 'bacteria' named entity 'Confocal laser scanning microscope' named entity 'ethanol' named entity 'cell wall' named entity 'cell membrane' named entity 'hexagonal pyramid' named entity 'photocatalysis' named entity 'COVID-19' named entity 'nanorod' named entity 'wettability' named entity 'cell wall' named entity 'UV irradiation' named entity 'clinical treatment' named entity 'TEM' named entity 'bactericidal' named entity 'bacteria' named entity 'X-ray diffractometer' named entity 'microscopic observation' named entity 'bacteria' named entity 'bactericidal' named entity 'TiO' named entity 'infection' named entity 'superoxide anion' named entity 'Gram-negative' named entity 'photocatalysis' named entity 'ZnO' named entity 'CFU' named entity 'bacteria' named entity 'tensile stress' named entity 'antibacterial' named entity 'Diu'

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