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Article

Antifungal Properties of Pure Silver Films with Nanoparticles Induced by Pulsed-Laser Dewetting Process

1
Department of Plant Medicine, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
2
Graduate Institute of Materials Engineering, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(7), 2260; https://doi.org/10.3390/app10072260
Received: 19 February 2020 / Revised: 18 March 2020 / Accepted: 21 March 2020 / Published: 26 March 2020
(This article belongs to the Special Issue Advances in Surface Modification of the Materials)
Silver particles were prepared by dewetting Ag films coated on glass using a fiber laser. The size of the particles was controlled in the range of 92 nm–1.2 μm by adjusting the thickness of the Ag film. The structural properties and surface roughness of the particles were evaluated by means of scanning electron microscopy. In addition, the antifungal activity of the Ag particles was examined using spore suspensions of Colletotrichum gloeosporioides. It is shown that particles with a size of 1.2 μm achieved 100% inhibition of conidia growth of C. gloeosporioides after a contact time of just 5 min. Furthermore, the smaller particles also achieved good antifungal activity given a longer contact time. Similar results were observed for spore germination and pathogenicity tests performed on mango fruit and leaves. Overall, the results confirm that Ag particles have an excellent antifungal effect on C. gloeosporioides. View Full-Text
Keywords: Ag; colletotrichum gloeosporioides; laser; dewetting Ag; colletotrichum gloeosporioides; laser; dewetting
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MDPI and ACS Style

Lin, Y.-H.; Wang, J.-J.; Wang, Y.-T.; Lin, H.-K.; Lin, Y.-J. Antifungal Properties of Pure Silver Films with Nanoparticles Induced by Pulsed-Laser Dewetting Process. Appl. Sci. 2020, 10, 2260. https://doi.org/10.3390/app10072260

AMA Style

Lin Y-H, Wang J-J, Wang Y-T, Lin H-K, Lin Y-J. Antifungal Properties of Pure Silver Films with Nanoparticles Induced by Pulsed-Laser Dewetting Process. Applied Sciences. 2020; 10(7):2260. https://doi.org/10.3390/app10072260

Chicago/Turabian Style

Lin, Ying-Hong, Jyun-Jhih Wang, Yung-Ting Wang, Hsuan-Kai Lin, and Yi-Jia Lin. 2020. "Antifungal Properties of Pure Silver Films with Nanoparticles Induced by Pulsed-Laser Dewetting Process" Applied Sciences 10, no. 7: 2260. https://doi.org/10.3390/app10072260

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