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KMID : 0604520180440030303
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Journal of the Society of Cosmetic Scientists of Korea
2018 Volume.44 No. 3 p.303 ~ p.316
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Application of Xanthene Dyes with Fluorescein-Derived Structures for Production of Fluorescent Pigments, and The Analysis of The Optical Properties of The Pigments
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Bae Su-Whan
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Abstract
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In this study, I investigated the applicability of fluorescein-derived xanthene dyes to fluorescent pigment and the controllability of the optical properties of manufactured pigments. Eosin Y (D&C Red No.22) and phloxine B (D&C Red No.28) were mainly used as a dye to prepare the pigment. Dyes dissolved in a solvent were poured into a powder dispersed in the solvent, then dried and pulverized to fabricate the pigments. Optical characteristics related with fluorescence of the prepared pigment were measured. The optical properties of pigments were varied depending on the solvent used, content of the dye in the pigment, and the ratio of dyes when more then two dyes were mixed. According to the experiment result, it seems that some of the dyes attached to the powder showed fluorescence while the rest did not contribute to it. From the result of pigment washing experiment to explore the binding (or interaction) strength and characteristics of the powder-dye system constituting the pigment, it seems that there are two or more different interactions existing in the pigment system, one of which is relatively stronger than the solvent-dye interaction.
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KEYWORD
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fluorescence , eosin Y , phloxine B , xanthene dye , fluorescent pigment
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