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Título : Green Synthesis of ZnO2 Nanoparticles and Their Annealing Transformation Into ZnO2 Nanoparticles: Characterization and Antimicrobial Activity
Autor : Román, L. E.
Maurtua, D.
Paraguay-Delgado, F.
Solís, J. L.
Gómez, M. M.
Palabras clave : ZnO;ZnO2;Nanoparticles;Antimicrobial Activity
Fecha de publicación : sep-2016
Editorial : American Scientific Publishers
URI Relacionado: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983266727&doi=10.1166%2fjnn.2016.12399&partnerID=40&md5=ea4b7e61867cd04860826650465792fd
Resumen : Nanoparticles of ZnO2 were synthesized through sol–gel technique using zinc acetate and hydrogen peroxide in aqueous solution exposed to UV irradiation and dried at 100 °C. Using electron microscope techniques, X-ray diffraction, Fourier transform infrared spectroscopy and thermogravimetric analysis we have studied in detail the structure and morphology of the obtained powders. With annealing treatment of the as-synthesized nanoparticles it was possible to achieve different crystalline structures from pure ZnO2 to pure ZnO nanoparticles. Three different anoparticles were selected: the as-synthesized nanoparticles obtained at 100 °C constituted by ZnO2, the sample annealed at 160 °C composed by ZnO2–ZnO mixture and the annealed sample at 220 °C constituted by pure ZnO. Pseudomonas aeruginosa was employed to evaluate the antimicrobial activity of three selected nanoparticle samples. The inhibition zone was largest for ZnO2 nanoparticles.
URI : http://cybertesis.uni.edu.pe/handle/uni/3240
ISSN : 15334880
Derechos: info:eu-repo/semantics/embargoedAccess
Aparece en las colecciones: Instituto General de Investigación

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