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

Abstract

Macromolecules functionalized metal oxide nanoparticle received significant research interest owing to the combined advantages of functional groups and high surface to volume ratio, make it a good material 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 macromolecule. The synthesized calix[4]arene functionalized Mn3O4 NPs have been characterized by using fourier transform infrared spectroscopy (FTIR) and 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 nanomolar level. The developed senor showed wide linearity from 100 to 1000 ppb with a limit of detection of 7 and 9 ppb for Pb2+ and Cd2+ ions respectively. The proposed interface showed a least interference from most of the common ionic species present in the real sample.

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Publication details

The article was received on 04 Dec 2018, accepted on 03 Jan 2019 and first published on 04 Jan 2019


Article type: Paper
DOI: 10.1039/C8AY02648C
Citation: Anal. Methods, 2019, Accepted Manuscript
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    Fabrication of new Calix[4]arene functionalized Mn3O4 nanoparticles based modified glassy carbon electrode as fast responding sensor towards Pb2+ and Cd2+ ions

    P. S. S. Adarakatti, A. Siddaramanna and P. Malingappa, Anal. Methods, 2019, Accepted Manuscript , DOI: 10.1039/C8AY02648C

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