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Proceedings Paper

Surface-enhanced Raman scattering of biological molecules on mixed metal colloids
Author(s): Jinghuai Fang; Yuan Li; Yanyun Jin; Hongbing Li; Hengjing Yang
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Paper Abstract

Positively charged silver colloid and negatively gold colloid were prepared in aqueous solution for surface-enhanced Raman scattering (SERS) by the chemical reduction of metallic ions in aqueous solution with sodium borohydride solution in ice-cooled condition, respectively. SERS from glycine molecules in above mentioned colloidal systems were recorded respectively and compared with each other. The results show that the mixture of silver and gold colloids could form aggregation different from that of single silver colloid and gold colloid and bring about the favorable effect on SERS behavior for adsorbed glycine.

Paper Details

Date Published: 9 February 2005
PDF: 5 pages
Proc. SPIE 5635, Nanophotonics, Nanostructure, and Nanometrology, (9 February 2005); doi: 10.1117/12.577731
Show Author Affiliations
Jinghuai Fang, Nantong Univ. (China)
Yuan Li, Nantong Univ. (China)
Yanyun Jin, Nantong Univ. (China)
Hongbing Li, Nantong Univ. (China)
Hengjing Yang, Nantong Univ. (China)

Published in SPIE Proceedings Vol. 5635:
Nanophotonics, Nanostructure, and Nanometrology
Xing Zhu; Stephen Y. Chou; Yasuhiko Arakawa, Editor(s)

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