Synthesis and Optical Properties of Colloidal Gold Nanoparticles for Biomedical Applications

Nghiem Thi Ha Lien; Vu Xuan Hoa; Vu Thi Thuy Duong; Nguyen Van Tinh; Tran Hong Nhung

doi:10.15625/0868-3166/21/1/96

Synthesis and Optical Properties of Colloidal Gold Nanoparticles for Biomedical Applications

Nghiem Thi Ha Lien, Vu Xuan Hoa, Vu Thi Thuy Duong, Nguyen Van Tinh, Tran Hong Nhung

Author affiliations

Authors

Nghiem Thi Ha Lien Institute of Physics, VAST
Vu Xuan Hoa Institute of Physics, VAST
Vu Thi Thuy Duong Institute of Physics, VAST
Nguyen Van Tinh Institute of Physics, VAST
Tran Hong Nhung

DOI:

https://doi.org/10.15625/0868-3166/21/1/96

Keywords:

Colloidal gold, Nanoparticles, Absorption, Surface Plasmon Resonance - SPR}

Abstract

The gold nanoparticle solutions are well known as an extremely sensitive biomedical analytical tool due to the strong dependence of their absorption in the visible range on the environment. In this work, the colloidal nano golds were synthesized from metal precursor chloroauric acid (HAuCl₄) using trisodium citrate dehydrate (C₆H₅O₇Na₃) as reducing and stabilizing agents. The optical characterization - absorption of colloidal gold solution have been investigated under the different synthetic conditions such as: reducing agent concentration, concentration of auric ion, pH, duration of reaction and aging time. The results show that the absorption and the stability of the colloidal gold nanoparticles depend robustly on the synthetic conditions and pH of environment.

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Published

31-03-2011

How to Cite

[1]

N. T. H. Lien, V. X. Hoa, V. T. T. Duong, N. V. Tinh, and T. H. Nhung, “Synthesis and Optical Properties of Colloidal Gold Nanoparticles for Biomedical Applications”, Comm. Phys., vol. 21, no. 1, p. 63, Mar. 2011.

IEEE

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Issue

Vol. 21 No. 1 (2011)

Section

Papers

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