Journal
CERAMICS INTERNATIONAL
Volume 40, Issue 3, Pages 4827-4831Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2013.09.032
Keywords
Sol-gel processes; Electron microscopy; ZnO
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The use of natural polymers in the synthesis of nanomaterials can have a low cost and eco-friendly approach. In this work we would like to report the green chemistry synthesis of ZnO nanopowders (ZnO-NPs) using gelatin. Spherical ZnO-NPs were synthesized at different calcination temperatures and field emission scanning electron microscopy (FESEM) imaging showed the formation of most of nanopowders in nanoscale. The powder X-ray diffraction (PXRD) analysis revealed wurtzite hexagonal ZnO with preferential orientation at (101) reflection plane. In vitro cytotoxicity studies on neuro2A cells, a dose dependent toxicity with non-toxic effect of concentration below similar to 2 mu g/mL was shown. The synthesis of ZnO-NPs in gelatinous media were found to be comparable to those obtained from the conventional reduction methods using hazardous polymers or surfactants which can be an excellent alternative for the synthesis of ZnO-NPs using biomaterials. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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