Res Chem Intermed (2017) 43:2351–2365 DOI 10.1007/s11164-016-2765-7 Facile synthesis and antimicrobial activity of manganese oxide/bentonite nanocomposites 1 1 Bama Krishnan Sundrarajan Mahalingam Received: 1 June 2016 / Accepted: 4 October 2016 / Published online: 18 October 2016 Springer Science+Business Media Dordrecht 2016 Abstract Manganese-oxide-intercalated bentonite clay (Mn O /BC) nanocomposites 3 4 were synthesized via a thermal decomposition method using different precursors. The synthesized nanocomposites were characterized by X-ray diffraction (XRD) analysis, Fourier-transform infrared (FT-IR) spectroscopy, high-resolution scanning electron microscopy (HR-SEM) with energy-dispersive X-ray (EDX) analysis, and ﬁeld-emission transmission electron microscopy (FE-TEM), revealing that the manganese oxide nanoparticles were well dispersed on/into the surface of the bentonite clay in the composites. The antibacterial and antifungal activity of the Mn O /BC nanocomposites 3 4 were investigated using well diffusion and potato dextrose agar methods, respectively. The antimicrobial activity of the manganese oxide/bentonite nanocomposites against Staphylococcus aureus was greater compared with that against Pseudomonas aerugi- nosa. The vigorous antifungal behavior observed against Candida albicans could be useful for biomedical applications. Keywords Sodium bentonite Manganese oxide Thermal decomposition Nanocomposites Antimicrobial activity Introduction In recent years, a number of innovative investigations have focused on nanoparticles of transition metals or
Research on Chemical Intermediates – Springer Journals
Published: Oct 18, 2016
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