SYNTHESIS, CHARACTERIZATION, AND CHEMOSENSING APPLICATION OF POLY(METHYL METHACRYLATE-CO-HYDROXYETHYL METHACRYLATE) WITH DANSYL SIDE GROUP

Year 2016, Volume: 3 Issue: 3, 565 - 582, 08.01.2017

Erdinç Doğancı Mesut Gorur

https://doi.org/10.18596/jotcsa.28202

Cited By: 1

Abstract

A novel dansyl side-functional polymer (P2) was prepared and employed as the metal cation sensing chemical probe. The synthesis of P2 was performed via free radical polymerization and esterification reactions in a two-step reaction sequence. P2 showed characteristic UV-vis and fluorescence emission bands for the dansyl unit. The fluorescence emission intensity of P2 gradually decreased as the concentrations of the added metal ions were increased. The highest quenching efficiencies (QE) were observed for Pb²⁺ (84.56%) and Co²⁺ (83.69%). Besides, the responses of P2 to the addition of Pb²⁺ cation were quite linear up to 50 equivalent. The presence of Cd²⁺, Hg²⁺, Mn²⁺, and Zn²⁺ cations did not pose significant interferences. Thus, P2 is a potential candidate for the fluorescence chemical sensor for Pb²⁺ cation.

Keywords

Dansyl group, metal ion sensor, methyl methacrylate, 2-hydroxyethyl methacrylate, twisted intramolecular charge transfer

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