Controlled production of ZnO nanoparticles from zinc glycerolate in a sol–gel silica matrix

Moleski, Rodoula; Leontidis, Epameinondas; Krumeich, Frank

doi:10.1016/j.jcis.2006.07.030

Cited by 39 publications

(25 citation statements)

References 94 publications

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“…There are numerous studies reporting preparation of spherical [21][22][23][24], rod shaped [25][26][27][28] or columnar [29] ZnO nanoparticles by reverse micellar systems or microemulsion-mediated systems. In most of these microemulsion-assisted routes, preparation of nanoparticles is achieved by direct recovery of the ZnO precipitates.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of zinc oxide nanoparticles elaborated by microemulsion method

Yıldırım

Durucan

2010

Journal of Alloys and Compounds

113

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Section: Introductionmentioning

confidence: 99%

Synthesis of zinc oxide nanoparticles elaborated by microemulsion method

Yıldırım

Durucan

2010

Journal of Alloys and Compounds

113

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“…Interestingly, this aspect necessitated their usage as antibacterial agents, noxious to microorganisms, and hold good biocompatibility to human cells [10]. Synthesis of ZnO particles with a precipitation method in alcohol solution is the most commonly used and promising lowcost route [11][12][13]. However, ZnO particles aggregate easily in solution due to van der Waals forces and surface effects [14].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Zinc Oxide/Graphene Oxide Nanocomposites as Antibacterial Materials Against Staphylococcus Aureus and Escherichia Coli

Hieu¹

2018

JST

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New materials with good antibacterial activity and less toxicity to other species have attracted numerous research interests. Modified Hummers method was used for preparing graphene oxide (GO). Zinc oxide/graphene oxide (ZnO/GO) nanocomposites were synthesized with three different ratios (0.5:1, 1:1, and 2:1) by solution precipitation method. The ZnO/GO nanocomposites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, Raman spectroscopy, Brunauer-Emmett-Tellerspecific surface area, and transmission electron microscopy image. The characterization results showed that ZnO nanoparticles with a mean size of 12-18 nm were randomly decorated on the surfaces and edges of GO sheets. ZnO/GO 1:1 with a high specific surface area of 65 m 2 /g was obtained. The antibacterial activity of ZnO, GO, and ZnO/GO was tested against Gram negative bacteria escherichia coli (E. coli) and Gram positive bacteria staphylococcus aureus (S. aureus) using well diffusion method. The test results confirmed that antibacterial activity of ZnO/GO was higher than that of GO and ZnO. Additionally, the ZnO/GO with the ratio of 1:1 is the strongest activity and more active against S. aureus than against E. coli and minimal inhibitory concentration (MIC) value of ZnO/GO 1:1 is 80 µg/mL for S. aureus and 160 µg/mL for E. coli. This novel nanocomposite could be used as a potential material for antimicrobial application.

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“…Synthesis of ZnO particles with a precipitation method in alcohol solution is the most commonly used and promising low-cost route. [9][10][11] However, ZnO particles aggregate easily in solution due to van der Waals forces and surface effects. 12 Therefore, the surface of ZnO particles must be modified with an organic reagent or stable polymers to decrease aggregation.…”

Section: Introductionmentioning

confidence: 99%

Graphene oxide-modified ZnO particles: synthesis, characterization, and antibacterial properties

Zhong

Yun

2015

IJN

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Nanosized ZnO particles with diameters of 15 nm were prepared with a solution precipitation method at low cost and high yield. The synthesis of the particles was functionalized by the organic solvent dimethylformamide, and the particles were covalently bonded to the surface of graphene oxide. The morphology of the graphene oxide sheets and ZnO particles was confirmed with field emission scanning electron microscopy and biological atomic force microscopy. Fourier transform infrared spectroscopy and X-ray diffraction were used to analyze the physical and chemical properties of the ZnO/graphene oxide composites that differed from those of the individual components. Enhanced electrochemical properties were detected with cyclic voltammetry, with a redox peak of the composites at 0.025 mV. Excellent antibacterial activity of ZnO/graphene oxide composites was observed with a microdilution method in which minimum inhibitory concentrations of 6.25 µg/mL for Escherichia coli and Salmonella typhimurium , 12.5 µg/mL for Bacillus subtilis , and 25 µg/mL for Enterococcus faecalis . After further study of the antibacterial mechanism, we concluded that a vast number of reactive oxygen species formed on the surface of composites, improving antibacterial properties.

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Controlled production of ZnO nanoparticles from zinc glycerolate in a sol–gel silica matrix

Cited by 39 publications

References 94 publications

Synthesis of zinc oxide nanoparticles elaborated by microemulsion method

Synthesis of zinc oxide nanoparticles elaborated by microemulsion method

Synthesis of Zinc Oxide/Graphene Oxide Nanocomposites as Antibacterial Materials Against Staphylococcus Aureus and Escherichia Coli

Graphene oxide-modified ZnO particles: synthesis, characterization, and antibacterial properties

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