Antibacterial property of silica-supported Zinc Oxide prepared by molten salt
Subject Areas : Food Science and Technology
1 - Assistant Professor of Department of Chemical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran
Keywords: Stability, nanocomposite, ZnO, Antibacterial, Silica gel,
Abstract :
The aim of this study was to introduce a new method for producing ZnO/silica gel nanocomposites ZnO/silica gel. Nanocomposites were synthesized by inserting silica gels in a molten bath of zinc sulfate (at 560 °C) for different contact times. Except for zinc sulfate, no reduction agent or chemical material was used for the preparation of nanocomposite. In this method, synthesis of nanoparticles and their immobilization on the substrate were carried out in a period of time less than 60 minutes. The ZnO/silica gel nanocomposites were studied by scanning electron microscopy (SEM) and UV–visible diffusive reflectance spectrometer (UV–Vis DRS). The SEM micrograph showed that the contact of silica gel with molten salt resulted in the formation of nanoparticles on the silica gel surface. On the other hand, by increasing the contact time, ZnO nanoparticles loading was increased. The antibacterial test against E. coli revealed that nanocomposites produced by 60 min contact duration, reached a mortality rate of 99.85%. The leaching test demonstrated the stability of the nanocomposites, and the delivery of zinc in water was less than 1.5% for all samples.
References:
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· Aghazade Choras, F., Ghorbanpour, M. and Shayegh, R. (2015). A novel and quick method for synthesis of antibacterial bentonite/titanium dioxide nanocomposites, Iranian Journal of Surface Science and Engineering, 12(29): 1-9. [In Persian]
· Bagchi, B. , Kar, S., Dey, S.K., Bhandary, S., Roy, D., Mukhopadhyay, T.K., Das, S. et al. (2013). In situ synthesis and antibacterial activity of copper nanoparticle loaded natural montmorillonite clay based on contact inhibition and ion release. Colloids and Surfaces B: Biointerfaces, 1(108): 358-365.
· Gilani, S., Ghorbanpour, M and Jadid, A.P. (2016). Antibacterial activity of ZnO films prepared by anodizing. Journal of Nanostructure in Chemistry, 6(2): 1-7.
· Ghorbanpour, M. (2016). Amine accessibility and chemical stability of Silver SPR chips silanised with APTES via vapour phase deposition method. Journal of Physical Science, 27(1), 39–51.
· Ghorbanpour, M. and Falamaki, C. (2012). Micro energy dispersive x-ray fluorescence as a powerful complementary technique for the analysis of bimetallic Au/Ag/glass nanolayer composites used in surface plasmon resonance sensors. Applied Optics, 51(32): 7733-7738.
· Ghorbanpour, M. and Falamaki, C. (2013). A novel method for the production of highly adherent Au layers on glass substrates used in surface plasmon resonance analysis: substitution of Cr or Ti intermediate layers with Ag layer followed by an optimal annealing treatment. Journal of Nanostructure in Chemistry, 3: 1-7.
· Ghorbanpour, M. and Falamaki, C. (2014). A novel method for the fabrication of ATPES silanized SPR sensor chips: Exclusion of Cr or Ti intermediate layers and optimization of optical/adherence properties, Applied Surface Science, 301, 544-550.
· Grass, G., Rensing, C. and Solioz M. (2011). Metallic copper as an antimicrobial surface. Applied and Environmental Microbiology, 77(5): 1541–1547.
· Ghorbanpour, M. and Lotfiman, S. (2016). Solid-state immobilisation of titanium dioxide nanoparticles onto nanoclay. Micro & Nano Letters, 11(11): 684-687.
· Ghorbanpour, M., Moghimi, M. and Lotfiman, S. (2017). Silica-supported copper oxide nanoleaf with antimicrobial activity against Escherichia coli. Journal of Water and Environmental Nanotechnology, 2(2): 112-117.
· Jiang, W., Mashayekhi and H., Xing B. (2009). Bacterial toxicity comparison between nano- and micro-scaled oxide particles. Environmental Pollution, 157(5): 1619–1625.
· Jin, T., Sun, D., Su, Y., Zhang, H. and Sue H.J. (2009). Antimicrobial efficacy of zinc oxide quantum dots against Listeria monocytogenes, Salmonella enteritidis and Escherichia coli O157: H7. Journal of Food Science, 74(1): 46–52.
· Lotfiman, S. and Ghorbanpour. M. (2017). Antimicrobial activity of ZnO/silica gel nanocomposites prepared by a simple and fast solid-state method. Surface and Coatings Technology, 310:129-33.
· Ma, Y.L., Yang, B., Guo, T. and Xie, L. (2010). Antibacterial mechanism of Cu2+–ZnO/cetylpyridinium–montmorillonite in vitro. Applied Clay Science, 50(3): 348–353.
· Malachová, K., Praus, P., Rybková, Z. and Kozák O. (2011). Antibacterial and antifungal activities of silver, copper and zinc montmorillonites. Applied Clay Science, 53(4): 642–645.
· Moritz,, M. and Geszke-Moritz, M. (2013). The newest achievements in synthesis, immobilization and practical applications of antibacterial nanoparticles. Chemical Engineering Journal, 228(15): 596–613.
· Motshekga, S.C., Ray, S.S., Onyango, M. and Momba, M.N.B.J. (2013). Microwave-assisted synthesis, characterization and antibacterial activity of Ag/ZnO nanoparticles supported bentonite clay. Journal of Hazardous Materials, 15(262): 439-446.
· Payami, R., Ghorbanpour, M. and Jadid, A.P. (2016). Antibacterial silver-doped bioactive silica gel production using molten salt method. Journal of Nanostructure in Chemistry, 6(3): 215-221.
· Pouraboulghasem, H., Ghorbanpour, M., Shayegh, R., Lotfiman, S. (2016a). Synthesis, characterization and antimicrobial activity of alkaline ion-exchanged ZnO/bentonite nanocomposites, Journal of Central South University, 23(4): 787-792.
· Pouraboulghasem, H., Ghorbanpour, M., Shayegh, R., Lotfiman, S. (2016b). Antibacterial activity of copper-doped montmorillonite nanocomposites prepared by alkaline ion exchange method. Journal of Physical Science, 27(2): 1–12.
· Sondi, I. and Salopek-Sondi, B. (2004). Silver nanoparticles as antimicrobial agent: a case study on E. coli as a model for Gram-negative bacteria. Journal of Colloid and Interface Science, 275(1): 177–182.
· Srivastava, V., Gusain, D. and Sharma Y.C. (2013). Synthesis, characterization and application of zinc oxide nanoparticles (n-ZnO). Ceramics International, 39(8): 9803–9808.
· Stani, V., Dimitrijevi, S., Anti-Stankovi, J., Mitri, M., Joki, B., Ple´caˇs, et al. (2010). Synthesis, characterization and antimicrobial activity of copper and zinc-doped hydroxyapatite nanopowders. Applied Surface Science, 256(20): 6083–6089.
· Top, A. and Ülkü, S. (2004). Silver, zinc and copper exchange in a Na-clinoptilolite and resulting effect on antibacterial activity. Applied Clay Science, 27(1-2): 13– 19.
· Yang, H, Liu, C, Yang, D, Zhang, H and Xi, Z. (2009). Comparative study of cytotoxicity, oxidative stress and genotoxicity induced by four typical nanomaterials: the role of particle size, shape and composition, Journal of applied Toxicology, 29(1): 69-78.
· Zhang, L., Jiang, Y., Ding, Y., Daskalakis, N., Jeuken, L. and Povey M. (2010). Mechanistic investigation into antibacterial behaviour of suspensions of ZnO nanoparticles against E. coli. Journal of Nanoparticle Research, 12(5): 1625-1636.
