New Method for Preparing Core-shell Fluorescent Nanoparticles Doped with Rhodamine B Isothiocyanate

Abstract

Abstract: In this article, the preparation of core-shell fluorescent dye nanoparticles doped with rhodamine B isothiocyanate by using novel method is reported, which involves synchronous hydrolysis of tetraethoxysilane(TEOS) in water in oil microemulsion with the combination of N-(β-amimoethyl)-γ-amino propyltriethoxy-silane(AEAPS) and rhodamine B isothiocyanate(TRITC). This method conquers the disadvantages of traditional preparation method about organic dye doped core-shell nanoparticles such as the leakage of fluorescent dyes and the low encapsulation efficiency of fluorescent dyes. The fluorescent nanoparticle prepared by using the novel method have the advantages such as high fluorescence and good fluorescent stability, which are hopeful to be applied in the field of biological labelling.

Key words: TRITC, Water in oil microemulsion, Synchronous hydrolysis, Cort-shell fluorescent nanoparticle

CLC Number:

O657

TrendMD:

YUAN Yin, HE Xiao-Xiao, WANG Ke-Min, TAN Wei-Hong, PENG Jiao-Feng, HUANG Shan-Sheng, LIN Xia . New Method for Preparing Core-shell Fluorescent Nanoparticles Doped with Rhodamine B Isothiocyanate[J]. Chem. J. Chinese Universities, 2005, 26(3): 446.

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New Method for Preparing Core-shell Fluorescent Nanoparticles Doped with Rhodamine B Isothiocyanate

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