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    Evaluation of antibacterial properties on polysulfone composite membranes using synthesized biogenic silver nanoparticles with Ulva compressa (L.) Kutz. and Cladophora glomerata (L.) Kutz. extracts

    Year: 2018

    Journal: Int. J. Biol. Macromol., Volume 107, FEB, page 157–165

    Authors: Minhas, Fozia T.; Arslan, Gulsin; Gubbuk, I. Hilal; Akkoz, Cengiz; Ozturk, Betul Yilmaz; Asikkutlu, Baran; Arslan, Ugur; Ersoz, Mustafa

    Organizations: Scientific Research Council of Selcuk University

    Keywords: Green macro algae; Biogenic silver nanoparticles; Polysulfone composite membrane

    Polysulfone (PS) composite membrane using green synthesized biogenic silver nanoparticles (Ag-NPs) with Ulva compressa (L.) Kutz. and Cladophora glomerata (L) Kutz. extract were prepared by spin coating technique and are tested for antimicrobial activity using a direct contact test for the first time. Initially green synthesis of Ag-NPs was accomplished utilizing green macro algae i.e. U. compressa (L.) Kutz. and C. glomerata (L.) Kutz. by the reduction of AgNO3. The Ag-NPs/PS composite membranes from both algae revealed outstanding antimicrobial activity against all bacteria i.e. K. pneumonia, P. aeruginosa, E. coli, E. faecium and S. aureus. Bacterial growth was monitored for 17 h with a temperature controlled microplate spectrophotometer. The kinetics of the outgrowth in each well were recorded continuously at 630 nm every 60 min. Thus present work remarkably offers a feasible, cheap and efficient alternative for making Ag-NPs and their utilization as antimicrobial agent on the PS composite membrane. (C) 2017 Elsevier B.V. All rights reserved.
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