Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/119110
Title: STUDY ON ANTIMICROBIAL EFFECTS OF NANOSILVER FOR DRINKING WATER DISINFECTION
Authors: XU YANG
Keywords: Disinfection, Escherichia coli, MS2 bacteriophage, Mechanism, Nanosilver
Issue Date: 8-Aug-2014
Citation: XU YANG (2014-08-08). STUDY ON ANTIMICROBIAL EFFECTS OF NANOSILVER FOR DRINKING WATER DISINFECTION. ScholarBank@NUS Repository.
Abstract: Silver nanoparticles (AgNPs, or nanosilver) were explored systematically for the possibility of being a viable disinfectant. To achieve this goal, three kinds of AgNPs were obtained and compared in terms of antibacterial and antiviral activities against Escherichia coli and MS2 bacteriophage, respectively. Results indicated that biologically-synthesized AgNPs (bio-AgNPs) should be selected based on the disinfection performance and ease of synthesis. Secondly, effects of water matrices, including hardness, ionic strength, chloride, humic substances (HS) and pH, were studied in order to gauge the extent of bio-AgNPs in antiviral activity. Antiviral mechanisms of nanosilver were studied with MS2 bacteriophage as the virus model. And a continuous flow system with nanosilver incorporated was finally designed and operated.
URI: http://scholarbank.nus.edu.sg/handle/10635/119110
Appears in Collections:Ph.D Theses (Open)

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