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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Silver nanoparticle embedded copper oxide as an efficient core-shell for the catalytic reduction of 4-nitrophenol and antibacterial activity improvement
Dalton Transactions, Volume 47, No. 27, Year 2018
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Description
A facile and eco-friendly method was developed to prepare a microporous CuO@Ag0 core-shell with high catalytic and antibacterial activities. Scanning and transmission electron microscopy revealed a preponderance of nearly spherical 50 nm particles with slight structure compaction. Comparison of the hysteresis loops confirmed the structure compaction after AgNP incorporation, and a significant decrease of the specific surface area from 55.31 m2 g-1 for CuO to 8.03 m2 g-1 for CuO@Ag0 was noticed. A kinetic study of 4-nitrophenol (4-NP) reduction into 4-aminophenol (4-AP) with sodium borohydride revealed a first order reaction that produces total conversion in less than 18 minutes. CuO@Ag0 also exhibited appreciable antibacterial activity against Staphylococcus aureus. The antibacterial effects were found to strongly depend on the size, contact surface, morphology and chemical composition of the catalyst particles. The addition of Ag0-NPs produced more reactive oxygen species in the bacteria medium. These results open promising prospects for its potential applications as a low cost catalyst in wastewater treatment and antibacterial agent in cosmetics. © 2018 The Royal Society of Chemistry.
Authors & Co-Authors
Bouazizi, Nabil
France, Mont-saint-aignan
Cobra - Chimie Organique et Bioorganique - Réactivité et Analyse
Vieillard, Julien
France, Mont-saint-aignan
Cobra - Chimie Organique et Bioorganique - Réactivité et Analyse
Thébault, Pascal
France, Caen
Normandie Université
Desriac, Florie
France, Evreux
Laboratoire de Microbiologie Signaux et Microenvironnement Lmsm
Clamens, Thomas
France, Evreux
Laboratoire de Microbiologie Signaux et Microenvironnement Lmsm
Bargougui, Radhouane
France, Mont-saint-aignan
Cobra - Chimie Organique et Bioorganique - Réactivité et Analyse
Couvrat, Nicolas
France, Caen
Normandie Université
Thoumire, Olivier
France, Caen
Normandie Université
Brun, Nicolas
France, Montpellier
Institut Charles Gerhardt Montpellier
Ladam, Guy
France, Caen
Normandie Université
Mofaddel, Nadine L.
France, Mont-saint-aignan
Cobra - Chimie Organique et Bioorganique - Réactivité et Analyse
Lesouhaitier, Olivier
France, Evreux
Laboratoire de Microbiologie Signaux et Microenvironnement Lmsm
Azzouz, Abdelkrim
Canada, Montreal
Université du Québec à Montréal
Le Derf, Franck
France, Mont-saint-aignan
Cobra - Chimie Organique et Bioorganique - Réactivité et Analyse
Statistics
Citations: 51
Authors: 14
Affiliations: 5
Identifiers
Doi:
10.1039/c8dt02154f
ISSN:
14779226