Measurement of L-Cysteine Amino Acid Using Modified Platinum Electrode by Nickel-Aluminum layered double hydroxide

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Ghaffarinead Ali; Ghaed rahmati Mehdi; Salahandish Razieh

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Journal: Applied Chemistry Today Year:2019 | Volume:14 | Issue:51 Page(s): 103-119

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Title

Measurement of L-Cysteine Amino Acid Using Modified Platinum Electrode by Nickel-Aluminum layered double hydroxide

Author(s)

Ghaffarinead Ali | Ghaed rahmati Mehdi | Salahandish Razieh | Issue Writer Certificate

Keywords

NiAlLDHQ1

drugQ1

L-cysteineQ1

ElectrocatalystQ1

Abstract

L-Cysine (L-Cys) is one of the most important amino acids in the body and plays an important role in the immune system. In this study, the platinum electrode was modified by a Ni-Al double-layer hydroxide film (Pt /NiAlLDH) and used to measure L-Cys. Pt/NiAlLDH showed good catalytic activity for the oxidation of L-Cys. On this electrode, the oxidation of L-Cys occurs at a potential very lower than an unmodified platinum electrode, which occurred at about 500 mV. The catalytic oxidation peak currents depend on the L-Cys concentration with a logarithmic linear relation in the concentration range of 1×10-7 to 2. 5×10-4 M and an experimental detection limit of 1×10-7 M. The proposed electrode was used for determination of L-Cys in a drug sample. This modified electrode is cheap and is quickly and easily prepared.

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APA: Copy

Ghaffarinead, Ali, Ghaed rahmati, Mehdi, & Salahandish, Razieh. (2019). Measurement of L-Cysteine Amino Acid Using Modified Platinum Electrode by Nickel-Aluminum layered double hydroxide. JOURNAL OF APPLIED CHEMISTRY, 14(51 ), 103-119. SID. https://sid.ir/paper/381869/en

Vancouver: Copy

Ghaffarinead Ali, Ghaed rahmati Mehdi, Salahandish Razieh. Measurement of L-Cysteine Amino Acid Using Modified Platinum Electrode by Nickel-Aluminum layered double hydroxide. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2019;14(51 ):103-119. Available from: https://sid.ir/paper/381869/en

IEEE: Copy

Ali Ghaffarinead, Mehdi Ghaed rahmati, and Razieh Salahandish, “Measurement of L-Cysteine Amino Acid Using Modified Platinum Electrode by Nickel-Aluminum layered double hydroxide,” JOURNAL OF APPLIED CHEMISTRY, vol. 14, no. 51 , pp. 103–119, 2019, [Online]. Available: https://sid.ir/paper/381869/en

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