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- Title
Photochemical Decoration of Silver Nanocrystals on Magnetic MnFeO Nanoparticles and Their Applications in Antibacterial Agents and SERS-Based Detection.
- Authors
Huy, Le; Tam, Le; Son, Tran; Cuong, Nguyen; Nam, Man; Vinh, Le; Huy, Tran; Ngo, Duc-The; Phan, Vu; Le, Anh-Tuan
- Abstract
In this study, multifunctional nanocomposites consisting of silver nanoparticles and manganese ferrite nanoparticles (Ag-MnFeO) were successfully synthesized using a two-step chemical process. The formation of Ag-MnFeO nanocomposites were analyzed by transmission electron microscopy, x-ray diffraction, and x-ray photoelectron spectroscopy measurements. Noticeable antibacterial activity of the Ag-MnFeO nanocomposites was demonstrated against two Gram-negative bacteria, Salmonella enteritidis and Klebsiella pneumoniae. A direct-drop diffusion method can be an effective way to investigate the antibacterial effects of nanocomposite samples. Interestingly, we also demonstrated the use of Ag-MnFeO nanocomposites as a surface-enhanced Raman scattering (SERS) platform to detect and quantify trace amounts of organic dye in water solutions. The combination of Ag and MnFeO nanoparticles opens opportunities for creating advantages such as targeted bactericidal delivery, recyclable capability, and sensitive SERS-based detection for advanced biomedicine and environmental monitoring applications.
- Publication
Journal of Electronic Materials, 2017, Vol 46, Issue 6, p3412
- ISSN
0361-5235
- Publication type
Academic Journal
- DOI
10.1007/s11664-016-5267-x