Recently, various approaches including physical, chemical and biological (“ green chemistry ”) have been used to prepare ZnO nanocomposites with different morphologies. In this study, zinc oxide nanoparticles were synthesized using Laurus nobilis L. leaves aqueous extract and two different zinc salts (zinc acetate and zinc nitrate) as precursors.

Box 608002, Cuddalore, India. Synthesis and characterization of zinc oxide nanoparticles and its antimicrobial activity against Bacillus subtilis and Escherichia coli.

DOI: 10.1007/978-3-662-44479-5_5.

Zinc oxide nanoparticles were synthesized using a simple precipitation method with zinc sulfate and sodium hydroxide as starting materials. Zinc oxide nanoparticles are nanoparticles of zinc oxide (ZnO) that have diameters less than 100 nanometers. Its microcrystals are very efficient light absorbers in the UVA and UVB region of spectra due to wide bandgap. The synthesized sample was calcined at different temperatures for 2 h.

Green synthesis techniques make use of somewhat pollutant-free chemicals for synthesis of nanostructures. Zinc oxide nanoparticles were synthesized using a simple precipitation method with zinc sulfate and sodium hydroxide as starting materials. Zinc oxide quantum dots (ZnO QDs) were synthesized by gel-sol method and employed as the transdermal aloesin (Alo) carriers. The majority of review report exposed that most studies have reported on the synthesis of metal and metal oxide nanoparticles such as silver, ferric, copper oxide, gold, copper, Palladium, etc. Impact of zinc oxide on biological functions depends on its morphology, particle size, exposure time, concentration, pH, and biocompatibility. Here we get a new line of high purity zinc oxide nanoparticles primarily targeted for antimicrobial activity against Bacillus subtilis and Escherichia coli.as shown in figure 1.Zinc oxide nanoparticles prepared Biogenic synthesis of ZnO.NPs was carried out according to the method of Elumalai et al. Rasayan J.Chem.

In this study, zinc oxide nanoparticles were synthesized using Laurus nobilis L. leaves aqueous extract and two different zinc salts (zinc acetate and zinc nitrate) as precursors. Chemical Synthesis of Zinc Oxide Nanoparticles and Its Application of Dye Decolourization Baskaran Divya*, Chinnappan Karthikeyan and Manivasagam Rajasimman Department of Chemical Engineering, Faculty of Engineering and Technology, Annamalai University, P. O.

ABSTRACT. ABSTRACT. The advent of nanotechnology has led the development of materials with new properties for use as antimicrobial agents.

Zinc oxide nanoparticles have drawn the consideration of several researchers among the metal oxide nanoparticles because of their exclusive optical, chemical properties and diverse biomedical applications like; they play the essential role in physiological processes, long term use, biodegradability, biocompability, easier synthesis and low cost. They have a large surface area relative to their size and high catalytic activity.

Green synthesis of nanoparticles by biological systems especially plant extracts has become an emerging field in nanotechnology. through a green route synthesis.

In present study, zinc oxide (ZnO) nanoparticles (NPs) were synthesized using leaf extracts of two medicinal plants Cassia fistula and Melia azadarach.

The contribution of zinc oxide (ZnO) nanoparticles currently used in several areas. So biological approaches using microorganisms and plants or plant extracts …

El reported the continuous synthesis of zinc oxide nanoparticles in a microfluidic system for photovoltaic application. The synthesized sample was calcined at different temperatures for 2 h. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and proton-induced X-ray emission (PIXE) analysis.

Santoshkumar, J., Kumar, S. V. & Rajeshkumar, S. Synthesis of zinc oxide nanoparticles using plant leaf extract against urinary tract infection pathogen.

Thatoi P(1), Kerry RG(2), Gouda S(3), Das G(4), Pramanik K(5), Thatoi H(6), Patra JK(7). Green synthesis of zinc oxide nanoparticles: a comparison Shabnam Fakharia, Mina Jamzada and Hassan Kabiri Fard b aDepartmentofChemistry,Shahr-e-QodsBranch,Islamic AzadUniversity,Tehran, Iran;bDepartment ofChemistry,NorthTehran Branch,Islamic Azad University, Tehran, Iran ABSTRACT Green synthesis of nanoparticles by biological systems especially plant extracts has become an In this work, zinc oxide nanoparticles were readily synthesized through sol-gel method using zinc acetate as a precursor.

ZnO QDs were surface-functionalized with amino using aminopropyltriethoxysilane (APTES).