Surface enhanced raman scattering nano-tagging particle and...

Optics: measuring and testing – By dispersed light spectroscopy – With raman type light scattering

Reexamination Certificate

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Reexamination Certificate

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07982870

ABSTRACT:
There is provided a method for manufacturing a surface enhanced Raman scattering nano-tagging particle, the method including the steps of: introducing silver nanoparticles on the surface of a silica core particle; immobilizing tagging materials and silica shell precursors on the silver nanoparticles; and forming a silica shell surrounding the silica core particle to which the tagging materials and the silica shell precursor are immobilized.

REFERENCES:
patent: 6219137 (2001-04-01), Vo-Dinh
patent: 6242264 (2001-06-01), Natan et al.
patent: 6514767 (2003-02-01), Natan
patent: 6685986 (2004-02-01), Oldenburg et al.
patent: 2002/0160195 (2002-10-01), Halas et al.
PCT Application No. PCT/KR2006/003944, Search Report, Mailed Mar. 21, 2007.
Werner Stober et al., “Controlled Growth of Monodisperse Silica Spheres in the Micron Size Range”, Journal of Colloid and Interface Science 26, pp. 62-69, 1968.
Thierry Cassagneau et al., “Contiguous Silver Nanoparticle Coatings on Dielectric Spheres”, Advanced Materials, vol. 14, No. 10, pp. 732-736, May 17, 2002.

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