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Tytuł pozycji:

Visible light-activated 1-D core-shell paramagnetic Fe-Ag@AgCl as an innovative method for photocatalytic inactivation of E. coli.

Tytuł :
Visible light-activated 1-D core-shell paramagnetic E. coli.
Autorzy :
Cui Y; School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, People's Republic of China. .
Thathsarani N; School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, People's Republic of China.
Peng L; School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, People's Republic of China.
Gao Y; School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, People's Republic of China.
Lei L; School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, People's Republic of China.
Zhou Z; School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, People's Republic of China.
Liang L; School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, People's Republic of China.
Shi X; Jiangxi Academy of Environmental Sciences, Nanchang, 330039, People's Republic of China.
Pokaż więcej
Źródło :
Environmental science and pollution research international [Environ Sci Pollut Res Int] 2020 Apr; Vol. 27 (11), pp. 11990-12000. Date of Electronic Publication: 2020 Jan 25.
Typ publikacji :
Journal Article
Język :
English
Imprint Name(s) :
Publication: <2013->: Berlin : Springer
Original Publication: Landsberg, Germany : Ecomed
MeSH Terms :
Escherichia coli*
Silver*
Catalysis ; Light ; Silver Compounds
References :
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Grant Information :
41772262 Innovative Research Group Project of the National Natural Science Foundation of China; CUGL170209 Fundamental Research Funds for the Central Universities, China University of Geosciences(Wuhan)
Contributed Indexing :
Keywords: 1-D core-shell; Magnetic photocatalysts; Photocatalytic antibacterial; Visible light responsive
Substance Nomenclature :
0 (Silver Compounds)
3M4G523W1G (Silver)
Entry Date(s) :
Date Created: 20200127 Date Completed: 20200710 Latest Revision: 20210110
Update Code :
20210210
DOI :
10.1007/s11356-020-07754-z
PMID :
31982998
Czasopismo naukowe
Innovative paramagnetic one-dimensional (1-D) core-shell Fe-Ag@AgCl visible light-driven photocatalysts are synthesized through a template-assisted electrodeposition method trailed by FeCl 3 in-situ oxidation. The metallic nature of Fe-Ag@AgCl is confirmed through scanning electron microscopy (SEM) and crystal nature through X-ray diffraction (XRD). The controllable diameter of Fe-Ag is obtained through the selection of hollow size of the polycarbonate (PC) template. Electron impedance spectroscopy (EIS) confirms through the introduction of Fe to the Ag core that has prolonged the recombination of electron and hole. Escherichia coli (E. coli) are employed as the target bacteria to evaluate the photocatalytic disinfection performances. A total of 1.30 mg of Fe-Ag@AgCl is proved to be able to completely inactivate 10 7  CFU (colony forming units)/mL after 120 min of visible light irradiation. The transition electron microscopy (TEM) confirms the stability of the material after the photo reaction. As Fe-Ag@AgCl possesses magnetic properties, the material is recovered through the application of an external magnetic field. SEM images and results of 3D emission extraction matrix (EEM) depict that the bacteria cell death is caused by membrane permeability changes caused by the reduction of membrane associated proteins.

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