A new nickel-based co-crystal complex electrocatalyst amplified by NiO dope Pt nanostructure hybrid; a highly sensitive approach for determination of cysteamine in the presence of serotonin.

Scientific Reports
Hassan Karimi-MalehFatih Sen

Abstract

A highly sensitive electrocatalytic sensor was designed and fabricated by the incorporation of NiO dope Pt nanostructure hybrid (NiO-Pt-H) as conductive mediator, bis (1,10 phenanthroline) (1,10-phenanthroline-5,6-dione) nickel(II) hexafluorophosphate (B,1,10,P,1,10, PDNiPF6), and electrocatalyst into carbon paste electrode (CPE) matrix for the determination of cysteamine. The NiO-Pt-H was synthesized by one-pot synthesis strategy and characterized by XRD, elemental mapping analysis (MAP), and FESEM methods. The characterization data, which confirmed good purity and spherical shape with a diameter of ⁓ 30.64 nm for the synthesized NiO-Pt-H. NiO-Pt-H/B,1,10, P,1,10, PDNiPF6/CPE, showed an excellent catalytic activity and was used as a powerful tool for the determination of cysteamine in the presence of serotonin. The NiO-Pt-H/B,1,10, P,1,10, PDNiPF6/CPE was able to solve the overlap problem of the two drug signals and was used for the determination of cysteamine and serotonin in concentration ranges of 0.003-200 µM and 0.5-260 µM with detection limits of 0.5 nM and 0.1 µM, using square wave voltammetric method, respectively. The NiO-Pt-H/B,1,10,P,1,10,PDNiPF6/CPE showed a high-performance ability for the determination of cysteam...Continue Reading

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Citations

Jan 14, 2021·Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science·H Mater MahnashiMohamed M El-Wekil
Aug 28, 2020·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Wajid Ali KhanMustafa Soylak
Feb 14, 2021·Journal of Pharmaceutical and Biomedical Analysis·Felipe Zamarchi, Iolanda Cruz Vieira
Mar 8, 2021·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Delloula LakhdariNadjem Lakhdari
Apr 26, 2021·Biosensors & Bioelectronics·Hassan Karimi-MalehAmani Al-Othman

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