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논문 기본 정보

자료유형
학술저널
저자정보
Han, Suk-Kyu (College of Pharmacy, Pusan National University) Lee, Yong-Soo (College of Pharmacy, Pusan National University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제9권 제3호
발행연도
1986.1
수록면
139 - 144 (6page)

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초록· 키워드

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The solubilization sites of aniline and its derivatives in micelles were investigated with fluorescence probe technique. The fluorescence probes employed in this study are 12-(9-anthroyl) stearic acid (AS) and 2-p-toluidinylnaphthalene-6-sulfonate (TNS) which are incorporated in the interior of the micelle and attaced to its surface, respectively. As these two probes were effectively quenched by aniline and its surface, respectively. As these two probes were effectively quenched by aniline and its derivatives, the modified Stern-Volmer relationship in micellar system could be applicable to estimate the partition coefficient, $K_{p}$ of the solubilizate between aqueous and micellar phase. Because $K_{p}$ derived by this method reflects the relative proximity of the fluorophore to the quencher, the ratio of $K_{p}$ in the surface area to that in the interior of the micelle is interpreted in terms of the relative location of the solubilizate in micellar aggregate. The results show that the solubilizates are not located in a definite position but distributed in the multiple-sites of the micelle. The solubilization sites of the solubilizates in the icelle are dependent on their structures. As the solubilizate has more numbers of N-substituents of aniline and more numbers, of carbon in the substituent, it tends to incorporate in the interior of the micelle more effectively.

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