ANTIBACTERIAL ACTIVITY OF ZNO NANOPARTICLES AND FILTERS COATED WITH ZNO NANOPARTICLES ON ELIMINATING ESCHERICHIA COLI AND ENTEROCOCCUS FAECALIS

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GHADERIAN HAMTA SADAT; MOHAMMADI SICHANI MARYAM; YOUSEFI MOHAMMAD HASSAN

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Journal: WATER AND WASTEWATER Year:2015 | Volume:26 | Issue:2 (96) Page(s): 37-42

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Title

ANTIBACTERIAL ACTIVITY OF ZNO NANOPARTICLES AND FILTERS COATED WITH ZNO NANOPARTICLES ON ELIMINATING ESCHERICHIA COLI AND ENTEROCOCCUS FAECALIS

Author(s)

GHADERIAN HAMTA SADAT | MOHAMMADI SICHANI MARYAM | YOUSEFI MOHAMMAD HASSAN | Issue Writer Certificate

Keywords

ZINC OXIDE NANOPARTICLESQ2

ESCHERICHIA COLIQ2

ENTEROCOCCUS FAECALISQ2

ANTIMICROBIAL ACTIVITYQ2

Abstract

Clean water is vital to both human life and preservation of ecosystems. The goal of this study was to investigate the antibacterial effects of ZnO nanoparticles and filters coated with different sizes of ZnO nanoparticles on ESCHERICHIA COLI (ATCC: 25922) and ENTEROCOCCUS FAECALIS (ATCC: 11700) as the predominant bacteria in contaminated water. The antibacterial effects of ZnO nanoparticles (5 and 100 nm in size) at concentrations of 12.5, 25.0, 50.0, and 100.0 mg/ml were determined using the well diffusion method in vitro. Minimum inhibitory concentrations and minimal bactericidal concentrations of ZnO nanoparticles were determined by the broth micro-dilution method. In another part of the study, ZnO nanoparticles were coated on polypropylene filters using the precipitation method to investigate their removal efficiency. Filtration of contaminated water was performed using a standard number of the bacteria being tested. ZnO nanoparticles (5 nm) at a concentration of 100.0 mg/ml showed maximum sensitivity against E. coli and ENTEROCOCCUS FAECALIS by inhibition zones of 14.00±1.73 and 11.67±1.52 mm, respectively. Maximum inhibitory concentration of ZnO nanoparticles was determined as 25mg/ml. A significant relationship was found between antibacterial activity and ZnO nanoparticles concentration (P. value <0.001). It may be claimed that treatment with polypropylene filters coated with ZnO nanoparticles (5nm) is an effective process for controlling bacterial growth and eliminating E. coli.

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APA: Copy

GHADERIAN, HAMTA SADAT, MOHAMMADI SICHANI, MARYAM, & YOUSEFI, MOHAMMAD HASSAN. (2015). ANTIBACTERIAL ACTIVITY OF ZNO NANOPARTICLES AND FILTERS COATED WITH ZNO NANOPARTICLES ON ELIMINATING ESCHERICHIA COLI AND ENTEROCOCCUS FAECALIS. WATER AND WASTEWATER, 26(2 (96)), 37-42. SID. https://sid.ir/paper/103880/en

Vancouver: Copy

GHADERIAN HAMTA SADAT, MOHAMMADI SICHANI MARYAM, YOUSEFI MOHAMMAD HASSAN. ANTIBACTERIAL ACTIVITY OF ZNO NANOPARTICLES AND FILTERS COATED WITH ZNO NANOPARTICLES ON ELIMINATING ESCHERICHIA COLI AND ENTEROCOCCUS FAECALIS. WATER AND WASTEWATER[Internet]. 2015;26(2 (96)):37-42. Available from: https://sid.ir/paper/103880/en

IEEE: Copy

HAMTA SADAT GHADERIAN, MARYAM MOHAMMADI SICHANI, and MOHAMMAD HASSAN YOUSEFI, “ANTIBACTERIAL ACTIVITY OF ZNO NANOPARTICLES AND FILTERS COATED WITH ZNO NANOPARTICLES ON ELIMINATING ESCHERICHIA COLI AND ENTEROCOCCUS FAECALIS,” WATER AND WASTEWATER, vol. 26, no. 2 (96), pp. 37–42, 2015, [Online]. Available: https://sid.ir/paper/103880/en

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