A Highly Selective and Sensitive Fluorescent Probe Based on Quinolone Derivative for Hg²⁺ in Aqueous Solution

Abstract:

A new fluorescent probe, quinoline derivative DPQ bearing a methyl pyrrolidine-1-carbodithioate group, was synthesized and characterized by IR, Tof-MS and NMR. Its fluorescent behaviors toward transition metal ions were investigated. The results indicate that DPQ shows unique selective and high sensitive for Hg2+ in aqueous solution with a broad pH range 4-10. DPQ forms a 1:2 metal-ligand complex with Hg2+ ions with a limit of detection as low as 1.7×10-6 mol/L.

• Periodical: Advanced Materials Research (Volume 549)
• Pages: 229-233
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.549.229
• Online since: July 2012
• Authors: Juan Juan Tian, Xin Zhou, Hui Juan Hao, Xue Wu
• Keywords: Mercury Ion, Quinoline Derivative, Ratiometric Fluorescent Probe

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