Selective sensing of silver ion using berberine, a naturally occurring plant alkaloid

被引：34

作者：

Affrose, Abdullah ^{[1
]}

Parveen, Sheik Dawood Shahida ^{[1
]}

Kumar, Basuvaraj Suresh ^{[1
]}

Pitchumani, Kasi ^{[1
]}

机构：

[1] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2015年 / 206卷

关键词：

Berberine; Plant alkaloid; Silver ion sensor; TD-DFT calculations; ICT mechanism; FLUORESCENT SENSORS; RATIONAL DESIGN; MERCURY IONS; IN-VITRO; NANOPARTICLES; SENSITIVITY; DERIVATIVES; MOLECULE; BIOLOGY; ALKANES;

D O I：

10.1016/j.snb.2014.09.042

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Berberine (Bn), an important traditional medicinal herb with anticancer, antitumour and antidiabetic activities, is effectively utilized as a sensing probe for silver ion with good sensitivity and selectivity, using absorbance and fluorescence studies. The effect of presence of other metal ions with Bn is also investigated and Bn is found to be selective towards Ag+ ion over other metal ions such as Cu2+, Zn2+, Sn2+, Ni2+, Ba2+, Bi2+, Pb2+, Co3+, In3+, Mn2+, Fe2+, Fe3+, Li+, Hg2+ and Ca2+ with a detection limit of 0.1 x 10(-4) mol L-1. The colour changes from yellow to orange when Ag+ ion is added and other metal ions failed to show any visible colour change. The effective quenching of Bn upon binding with Ag+ ion is attributed to suppression of intramolecular charge transfer (ICT). (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：170 / 175

页数：6

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