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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
The antimicrobial effect of silicon nanowires decorated with silver and copper nanoparticles
Nanotechnology, Volume 24, No. 49, Article 495101, Year 2013
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Description
The paper reports on the preparation and antibacterial activity of silicon nanowire (SiNW) substrates coated with Ag or Cu nanoparticles (NPs) against Escherichia coli (E. coli) bacteria. The substrates are easily prepared using the metal-assisted chemical etching of crystalline silicon in hydrofluoric acid/silver nitrate (HF/AgNO3) aqueous solution. Decoration of the SiNWs with metal NPs is achieved by simple immersion in HF aqueous solutions containing silver or copper salts. The SiNWs coated with Ag NPs are biocompatible with human lung adenocarcinoma epithelial cell line A549 while possessing strong antibacterial properties to E. coli. In contrast, the SiNWs decorated with Cu NPs showed higher cytotoxicity and slightly lower antibacterial activity. Moreover, it was also observed that leakage of sugars and proteins from the cell wall of E. coli in interaction with SiNWs decorated with Ag NPs is higher compared to SiNWs modified with Cu NPs. © 2013 IOP Publishing Ltd.
Authors & Co-Authors
Fellahi, Ouarda
France, Lille
Université de Lille
Algeria, Algiers
Centre de Recherche en Technologie Des Semi-conducteurs Pour L’energétique
Algeria, Setif
Université Ferhat Abbas Sétif 1
Sarma, Rupak K.
India, Jorbat
North East Institute of Science and Technology, Jorhat
Das, Manash R.
India, Jorbat
North East Institute of Science and Technology, Jorhat
Saikia, Ratul
India, Jorbat
North East Institute of Science and Technology, Jorhat
Marcon, Lionel
France, Lille
Université de Lille
Coffinier, Yannick
France, Lille
Université de Lille
Hadjersi, Toufik
Algeria, Algiers
Centre de Recherche en Technologie Des Semi-conducteurs Pour L’energétique
Maamache, Mustapha
Algeria, Setif
Université Ferhat Abbas Sétif 1
Boukherroub, Rabah
France, Lille
Université de Lille
Statistics
Citations: 80
Authors: 9
Affiliations: 4
Identifiers
Doi:
10.1088/0957-4484/24/49/495101
ISSN:
09574484
e-ISSN:
13616528