AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Authors: A.-M. HADA, M. POTARA, S. SUARASAN, A. VULPOI, S. ASTILEAN.
DOI: 10.24193/subbphys.2017.01
Published Online: 2017-12-20
Published Print: 2017-12-20
pp. 5-14
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In this study we report a fast and non-toxic approach for the synthesis of bimetallic gold-silver spherical nanoparticles coated with chitosan biopolymer. The obtained hybrid nanoparticles were characterized by UV-vis-NIR extinction spectroscopy, transmission electron microscopy (TEM) and zeta potential measurements. In view of future applicability in molecular sensing, we tested the feasibility of chitosan protected bimetallic nanoparticles to operate as surface-enhanced Raman scattering substrates.
Keywords: chitosan; plasmonic nanoparticles; localized surface plasmon resonance; surface-enhanced Raman spectroscopy; transmission electronic microscopy; zeta potential
