Green Synthesis of Monodispersity Gold Nanoparticles with Dextran

Abstract:

A green approach to synthesize stable gold nanoparticles (AuNPs) employing dextran as a reducing and stabilizing agents at different temperature was described. The obtained dextran-coated gold nanoparticles (Dex-AuNPs) were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) analysis and UV-Vis spectroscopy. The average diameter of those resultant AuNPs at boiling bath was 12.1 nm with a relative standard deviation of less than 5.6%. UV–Vis spectra showed the presence of a surface plasmon band at 518 nm. These results suggested that the prepared Dex-AuNPs complexes had excellent monodispersity and acted as a candidate for further biomedical application.

• Periodical: Key Engineering Materials (Volume 727)
• Pages: 365-368
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.727.365
• Online since: January 2017
• Authors: Jun Qi Tang, Ning Zhang, Shi-Qing MAN*
• Keywords: Dextran, Gold Nanoparticles, Green Synthesis, Nanomaterials

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