Journal
GEOMICROBIOLOGY JOURNAL
Volume 36, Issue 9, Pages 777-781Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01490451.2019.1621963
Keywords
Antifungal effect; CuO NPs; Fusarium solani; tea
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A great deal of research has been done on various uses of copper oxide. The synthesis of copper oxide nanoparticles was mediated using tea extract. The first sign of the reduction of copper ions to copper oxide was the change in color of extract to dark brown after treating with copper chloride. The resulting nanoparticles were characterized using X-ray diffraction (XRD) and Fourier transform infrared spectrometry (FTIR). Finally, the antimicrobial effects of these nanoparticles on Fusarium solani were studied in vitro by agar dilution method. The TEM images showed the synthesis of copper oxide with size of less than 80 nm. The synthesized copper oxide nanoparticles showed significant inhibitory effects on F. solani cultures so that the concentration of 80 mu g/ml prevented approximately 90% of the mycelium growth of the fungus. The results showed that the inhibition zone of silver nanoparticles strongly depends on their concentration and increases by increasing the concentration of copper oxide nanoparticles in the medium.
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