Novel Quinoline-Based Thiazole Derivatives for Selective Detection of Fe3+, Fe2+, and Cu2+ Ions | Zendy

Selvaraj Shyamsivappan | Zendy; Arjunan Saravanan | Zendy; Vandandakumar | Zendy; Suresh Thangaraj | Zendy; Shanmugam Suresh | Zendy; Raju Nandhakumar | Zendy; P. S. Mohan | Zendy

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Novel Quinoline-Based Thiazole Derivatives for Selective Detection of Fe³⁺, Fe²⁺, and Cu²⁺ Ions

Author(s) -

Selvaraj Shyamsivappan,

Arjunan Saravanan,

Vandandakumar,

Suresh Thangaraj,

Shanmugam Suresh,

Raju Nandhakumar,

P. S. Mohan

Publication year - 2020

Publication title -

acs omega

Language(s) - English

Resource type - Journals

ISSN - 2470-1343

DOI - 10.1021/acsomega.0c03445

Subject(s) - quinoline , chemistry , metal ions in aqueous solution , fluorescence , ion , titration , thiazole , absorption (acoustics) , metal , selectivity , inorganic chemistry , photochemistry , analytical chemistry (journal) , materials science , stereochemistry , catalysis , organic chemistry , physics , quantum mechanics , composite material

New quinoline-based thiazole derivatives QPT and QBT were synthesized and characterized by various spectroscopic and single-crystal X-ray crystallographic studies. The metal-sensing properties of the probes were further examined by absorption and fluorescence spectrometry. The fluorescence intensity of QPT and QBT was remarkably quenched during the addition of Fe 3+ , Fe 2+ , and Cu 2+ ions in THF/H 2 O (1:1) at pH = 7.4 in HEPES buffer, while the addition of other metal ions did not affect the fluorescence intensity of the ligands. The detection ability of the probes QPT and QBT was further investigated by titration with various equivalents of metal ions, optimized pH ranges for detection, and reversibility with Na 2 EDTA for biological applications.

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