Electrochemical of redox current peaks of lead sulphate PbSO 4 was studied in blood medium in present of different reagents such as ascorbic acid (AA), glucose, urea, and uric acid using cyclic voltammetric technique at glassy carbon electrode (GCE). It was found that Pb(II) ions in aqueous electrolyte (0.1 M KCl) have oxidation current peak at -540 mV and reduction current peak at -600 mV. But, it was different electrochemical properties of the redox current peaks of Pb(II) ions in blood medium, the reduction current peak was disappearing and the oxidation current peak was enhanced. Also, in the different reagents (glucose, AA, urea and uric acid) causes an enhancement of the oxidation current peak and reducing of the reduction current peak or disappearing. It means that the reagents (glucose, AA, urea and uric acid) were oxidative effective in the blood component for the lead ions in the damage the blood cells.
Abstract:Electrochemical studies by cyclic voltammetric (CV) method provide high potential for investigation of oxidant pollutant compounds such as Pb(II). Glassy carbon electrode (GCE) can be used for the potentiostatic analysis of the lead ions in different electrolyte especially human blood medium to studying the effect of the lead ions on the blood components. The results of this study were found that oxidation and reduction current peaks of lead ions in 1M KCl is high value and enhanced by adding ascorbic acid (AA) solution, while in human blood medium was disappearing the reduction current peak and enhance the oxidation current peak by lead ions. It means that lead ions in blood medium act as an oxidative reagent and causes problem in the decomposition of the blood component. Also, it was found that using folic acid (FA) solution with lead ions in blood medium causes the enhancement of reduction current peaks of lead ion and decreasing for oxidation current peaks, so this means that folic acid solution acts as antioxidative reagent in present of lead ions in blood medium, it may recommended to taking tablet of FA for the patients who suffers to lead pollution.
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