title: Development of silane grafted ZnO core shell nanoparticles loaded diglycidyl epoxy nanocomposites film for antimicrobial applications.
abstract: In this article a series of epoxy nanocomposites film were developed using amine functionalized (ZnO-APTES) core shell nanoparticles as the dispersed phase and a commercially available epoxy resin as the matrix phase. The functional group of the samples was characterized using FT-IR spectra. The most prominent peaks of epoxy resin were found in bare epoxy and in all the functionalized ZnO dispersed epoxy nanocomposites (ZnO-APTES-DGEBA). The XRD analysis of all the samples exhibits considerable shift in 2θ, intensity and d-spacing values but the best and optimum concentration is found to be 3% ZnO-APTES core shell nanoparticles loaded epoxy nanocomposites supported by FT-IR results. From TGA measurements, 100wt% residue is obtained in bare ZnO nanoparticles whereas in ZnO core shell nanoparticles grafted DGEBA residue percentages are 37, 41, 45, 46 and 52% for 0, 1, 3, 5 and 7% ZnO-APTES-DGEBA respectively, which is confirmed with ICP-OES analysis. From antimicrobial activity test, it was notable that antimicrobial activity of 7% ZnO-APTES core shell nanoparticles loaded epoxy nanocomposite film has best inhibition zone effect against all pathogens under study.
authors.affiliation: Department of Physics, St. Joseph's College of Engineering, Chennai 600119, Tamil Nadu, India; Department of Research and Development Centre, Bharathiar University, Coimbatore 641046, Tamil Nadu, India. Electronic address: profsuresh1@gmail.com.
authors.forename: S
authors.initials: S
authors.lastname: Suresh
authors.affiliation: Department of Chemistry, St. Joseph's College of Engineering, Chennai 600119, Tamil Nadu, India.
authors.forename: P
authors.initials: P
authors.lastname: Saravanan
authors.affiliation: Department of Chemistry, St. Joseph's College of Engineering, Chennai 600119, Tamil Nadu, India.
authors.forename: K
authors.initials: K
authors.lastname: Jayamoorthy
authors.affiliation: Department of Chemistry, Anna University, Chennai 600 025, Tamil Nadu, India.
authors.forename: S
authors.initials: S
authors.lastname: Ananda Kumar
authors.affiliation: Department of Research and Development Centre, Bharathiar University, Coimbatore 641046, Tamil Nadu, India; Department of Physics, Dr. Ambedkar Government Arts College, Chennai 600 039, Tamil Nadu, India.
authors.forename: S
authors.initials: S
authors.lastname: Karthikeyan
mesh_terms: D000890:Anti-Infective Agents / Q000737:chemistry*; D001234:Aspergillus niger / Q000254:growth & development*; D004852:Epoxy Compounds / Q000737:chemistry*; D006094:Gram-Positive Bacteria / Q000254:growth & development*; D053761:Nanocomposites / Q000737:chemistry*; D053758:Nanoparticles / Q000737:chemistry*; D015034:Zinc Oxide / Q000737:chemistry*
chemical_list: D000890:Anti-Infective Agents; D004852:Epoxy Compounds; D015034:Zinc Oxide
keywords: APTES; Antimicrobial activity; FT-IR; ZnO nanocomposites, XRD