Fabrication of a new calix[4]arene-functionalized Mn3O4 nanoparticle-based modified glassy carbon electrode as a fast responding sensor towards Pb2+ and Cd2+ ions

被引：18
作者：
Adarakatti, Prashanth Shivappa [1 ,3 ]
Siddaramanna, Ashoka [2 ]
Malingappa, Pandurangappa [1 ,3 ]
机构：
[1] Bangalore Univ, Cent Coll Campus, Dept Chem, Bengaluru 560001, India
[2] Dayananda Sagar Univ, Sch Engn, Bengaluru 560068, India
[3] KLEs PC Jabin Sci Coll, PG Dept Chem, Vijayanagar 580031, Hubballi, India
来源：
ANALYTICAL METHODS | 2019年 / 11卷 / 06期
关键词：
PASTE ELECTRODE; CADMIUM; CD(II); PB(II); LEAD; CALIXARENE; MERCURY; FILM; REMOVAL; MATRIX;
D O I：
10.1039/c8ay02648c
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Macromolecule-functionalized metal oxide nanoparticles have received significant research interest owing to the combined advantages of functional groups and high surface to volume ratio, which make them good materials for an electrochemical sensor towards the quantification of toxic heavy metal ions. In this regard, a simple strategy has been proposed to functionalize Mn3O4 nanoparticles (Mn3O4 NPs) with calix[4] arene macromolecules. The synthesized calix[4] arene-functionalized Mn3O4 NPs have been characterized using Fourier transforminfrared spectroscopy (FTIR) and a BET surface area analyzer. The prepared calix[4] arene-functionalized Mn3O4 NPs were used as a novel electrochemical sensing platform for the simultaneous measurement of Pb2+ and Cd2+ ions at the nanomolar level. The developed sensor showed wide linearity from 100 to 1000 ppb with the limit of detection of 7 and 9 ppb for Pb2+ and Cd2+ ions, respectively. The proposed interface showed least interference from most of the common ionic species present in the real samples.
引用
收藏
页码：813 / 820
页数：8
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