Fluorescence enhancement effect for the determination of curcumin with yttrium(III)-curcumin-sodium dodecyl benzene sulfonate system

被引：30
|
作者：
Wang, Feng [1 ]
Huang, Wei [1 ]
Wang, Yanwei [1 ]
机构：
[1] Zaozhuang Univ, Dept Chem, Zaozhuang 277160, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2008年 / 128卷 / 01期
关键词：
fluorescence; curcumin; Y3+; SDBS;
D O I：
10.1016/j.jlumin.2007.05.012
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
It is found that the fluorescence of curcumin is greatly enhanced by yttrium(III) (Y3+) in the presence of sodium dodecyl benzene sulfonate. Based on this, a sensitive fluorimetric method for the determination of curcumin in aqueous solution is proposed. In the potassium hydrogen plithalate (KHP) buffer, the fluorescence intensity of curcumin is proportional to the concentration of curcumin in the range of 7.37 x 10(-4) -0.18, 0.18-2.95 mu g mL(-1) and the detection limit is 0.1583 ng mL(-1). The actual samples are satisfactorily determined. In addition, the interaction mechanism is also studied. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：110 / 116
页数：7
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