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Engineering  |  FURI
MORE Spring 2020
Sustainability

Controlling Silver Release from Antimicrobial Surface Coatings for Biofouling Control

Silver nanoparticles (Ag-NPs) can be used as surface coatings to control the spread of microorganisms due to the high antimicrobial activity of silver ions (Ag+). However, over long periods of time, Ag-NPs rapidly dissolves into silver ions and silver is depleted from the surface. The objective of the study is to create a protective layer around silver by performing controlled sulfidation of Ag-NPs for a slower silver release. Different experiments with different Ag:S ratios were performed to identify the optimal surface chemistry that limit the number of viable cells on the surface.

Kiarash Ranjbari

Tehran, Tehran, Iran

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