The effect of heavy metals on the anthracene-Me-β-cyclodextrin host-guest inclusion complexes

被引：12

作者：

Ay, Umit ^{[1
]}

Dogruyol, Zekeriya ^{[2
]}

Arsu, Nergis ^{[3
]}

机构：

[1] Kocaeli Univ, Dept Chem, TR-41380 Kocaeli, Turkey

[2] Yildiz Tech Univ, Dept Phys, TR-34220 Istanbul, Turkey

[3] Yildiz Tech Univ, Dept Chem, TR-34220 Istanbul, Turkey

来源：

SUPRAMOLECULAR CHEMISTRY | 2014年 / 26卷 / 01期

关键词：

inclusion complex; heavy metal ions; fluorescence; quenching; methylated-beta-cyclodextrin; POLYCYCLIC AROMATIC-HYDROCARBONS;

D O I：

10.1080/10610278.2013.822971

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Anthracene was used to form an inclusion complex with methylated--cyclodextrin (Me-beta-CD) in water. In aqueous Me--CD solution, typical fluorescence emission of anthracene was observed. Benesi-Hildebrand's method was used to obtain the stoichiometry of the anthracene-Me--CD complex. The Stern-Volmer quenching constants, K-sv, and fluorescence quantum yields were calculated according to changes in the fluorescence emission intensity of anthracene-Me-beta-CD inclusion complexes by adding various amounts of Pb2+ and Cd2+ salts in water. The K-sv values and fluorescence quantum yields indicate that Pb2+ salts quench the anthracene-Me-beta-CD inclusion complexes more efficiently than Cd2+ salts.

引用

页码：66 / 70

页数：5

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