Electrochemical Reduction of Isatin-monohydrazone on Mercury Electrode

Çakır, Semiha; Bíçer, Ender; Arslan, Emine Yılmaz

doi:10.5562/cca2528

Cited by 4 publications

(2 citation statements)

References 45 publications

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“…Curcumin used in this experiment was obtained from Jamu™ brand curcumin extract powder which contains only curcumin. The curcumin coating process was using water medium [6]. The aluminum electrode was plunged into well stirred water-curcumin solution which stirred untill the water color changed to yellow and soaked for 12 hours in the solution in a closed manner to avoid contact with oxygen to prevent curcumin from oxidation.…”

Section: Curcumin Coatingmentioning

confidence: 99%

The effect of curcumin coated electrode on hydrogen production through water electrolysis

et al. 2020

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Hydrogen as the most cleanest energy source promise polutant free combustion. However, hydrogen production process still have negative impact on environment. Water electrolysis as one of hydrogen production process leave toxical gas residue and if the catalyst used in the process is metal catalyst it will leave metal waste which have potential to pollute soil and water. Curcumin as polyphenol antioxidant have potential as electrocatalytic agent due to its electron donor behavior. Curcumin loaded aluminum electrode coated by mechanical coating technique using water as solvent perform better as electrode compared to non-coated electrode. Curcumin coated cathode, anode and both electrode produce more hydrogen in shorter time than non-coated electrode. Curcumin electron donor increase the current density flows through the electrodes which is lift up the efficiency of water electrolysis process.

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Section: Curcumin Coatingmentioning

confidence: 99%

The effect of curcumin coated electrode on hydrogen production through water electrolysis

et al. 2020

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“…However, there are only a few reports concerning electrochemical analysis of curcumin, and the electrochemistry of curcumin is still unclear. [6][7][8][9][10][11][12] In this study, carbon nanotube (CNT)-based electrodes were chosen for the electrochemical analysis of curcumin because of their excellent electrochemical behavior. There are many reports concerning polyphenol analysis with CNT-base electrodes.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Detection of Curcumin in Food with a Carbon Nanotube- Carboxymethylcellulose Electrode

et al. 2020

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Herein, an electrochemical method is presented for the detection of curcumin in food using a carbon nanotube (CNT)carboxymethylcellulose (CMC) electrode. The CNT-CMC electrode exhibited ideal characteristics for curcumin detection, namely, a high response current and adequate peak separation toward curcumin oxidation. Cyclic voltammetry revealed two oxidation peaks. In the first scan, only the irreversible peak (Peak I) was observed at a higher potential. In the second scan, the reversible redox peak pairs (Peaks II and II′) appeared at lower potentials, and the potential of Peak I was decreased. Peak I corresponded to oxidation of the hydroxyl groups of the benzene ring to the catechol group via a phenoxy radical, while Peaks II and II′ indicated the redox loop system of the generated catechol group. The current at Peak II was used to quantify the concentration of curcumin in the linear range of 1-48 µM and detection limit of 0.084 µM. The concentrations of curcumin determined by the CNT-CMC electrode in real food samples were consistent with those determined by high-performance liquid chromatography.

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