Dr. Hassan Faisal, a lecturer from the Department of Chemistry at the College of Science, has published joint scientific research with a research team from the University of Basra, Koya University in the Kurdistan Region, and the British University of Kingston, London, entitled (A new electrochemical sensor that uses lysine in a polymeric film to estimate mercury, zinc and lead using) in ACS Oemga magazine. Which is exported from America and registered in Scopus containers (ASC) Q1.
The researcher stated that the goal of the research is to synthesize a new electrochemical sensor using lysine NTA (which is considered a clicand), which is covalently linked to a polymeric film (EDOT) present on a platinum electrode, as well as to demonstrate the possibility of using the polymeric film that can be used to detect trace amounts of polluting metals in aqueous samples.
The study also found that the project focuses on the importance of manufacturing functional membranes that can be used as electrochemical sensors for metal ions in an aqueous solution.
The researcher mentioned that a new electrochemical sensor for metal ions using modified polymer was successfully fabricated using electrochemical techniques, and PEDOT which bound with NTA group was deposited inside the polymer network. Subsequent PEDOT/NTA was characterized by cyclic voltammetry (CV), infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and EDX. The effect of scanning rate on the electrochemical properties of the polymer electrode was also studied. As well as applying the new PEDOT/NTA film to detect Hg2+, Pb2+ and Zn2+ ions in an aqueous solution. Hg2+, Pb2+ and Zn2+ ions were determined individually and simultaneously with the SWV technique using new modified polymer moieties (PEDOT/NTA). The PEDOT/NTA film also showed good sensitivity during the detection experiments of trace amounts of Hg2+, Pb2+ and Zn2+, showing very low limits for detection of 1.73 μg L-1 for Hg2+ and 2.33 μg L-1 for Pb2+ and 1.99 μg L-1 for Zn2+.


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