Structure and optical properties of noble-metal and oxide nanoparticles dispersed in various polysaccharide biopolymers

V. Djoković; D. K. Božanic; V. V. Vodnik; R. M. Krsmanović; L. V. Trandafilovic; S. Dimitrijević-Branković

doi:10.1117/12.899934

16 September 2011 Structure and optical properties of noble metal and oxide nanoparticles dispersed in various polysaccharide biopolymers

V. Djoković, D. K. Božanic, V. V. Vodnik, R. M. Krsmanović, L. V. Trandafilovic, S. Dimitrijević-Branković

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Proceedings Volume 8098, Physical Chemistry of Interfaces and Nanomaterials X; 809816 (2011) https://doi.org/10.1117/12.899934
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

Abstract

We present the results on the structure and the optical properties of noble metal (Ag, Au) and oxide (ZnO) nanoparticles synthesized by various methods in different polysaccharide matrices such as chitosan, glycogen, alginate and starch. The structure of the obtained nanoparticles was studied in detail with microscopic techniques (TEM, SEM), while the XPS spectroscopy was used to investigate the effects at the nanoparticle-biomolecule interfaces. The antimicrobial activity of the nanocomposite films with Ag nanoparticles was tested against the Staphylococcus aureus, Escherichia coli and Candida albicans pathogens. In addition, we will present the results on the structure and optical properties of the tryptophan amino acid functionalized silver nanoparticles dispersed in water soluble polymer matrices.

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V. Djoković, D. K. Božanic, V. V. Vodnik, R. M. Krsmanović, L. V. Trandafilovic, and S. Dimitrijević-Branković "Structure and optical properties of noble metal and oxide nanoparticles dispersed in various polysaccharide biopolymers", Proc. SPIE 8098, Physical Chemistry of Interfaces and Nanomaterials X, 809816 (16 September 2011); https://doi.org/10.1117/12.899934

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