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Sonochemical Synthesis of bismuth(III) Oxide Decorated Reduced Graphene Oxide Nanocomposite for Detection of Hormone (Epinephrine) in Human and Rat Serum

Sonochemical Synthesis of bismuth(III) Oxide Decorated Reduced Graphene Oxide Nanocomposite for Detection of Hormone (Epinephrine) in Human and Rat Serum

Shaktivel Manavalan, Umamaheswari Rajaji, Shen-Ming Chen, Mani Govindasamy, S Steplin Paul Selvin, Tse-Wei Chen, M Ajmal Ali, Fahad M A Al-Hemaid, M S Elshikh

Ultrason Sonochem. 2019 Mar;51:103-110.

PMID: 30514479

Abstract:

Herein, we report an efficient electrochemical sensor strategy for determination of epinephrine based on Bi2O3 nanoparticle decorated reduced graphene oxide nanocomposite (Bi2O3@RGO). The Bi2O3@RGO was prepared by simple ultrasonic method and then it's morphological and crystal structure aspects were well characterized by physiological instruments. The electrode-electrolyte interfacial properties were examined to ensure the catalytic ability of composite sensing towards EP. The composite was deposited on the multi-conventional screen-printed electrode and was found to be desirable performance toward EP oxidation. The amperometric EP sensing exhibited good reproducible and sensitive which able to detect as low as concentration of 2.14 nM. Furthermore, good reproducibility, long-term stability and repeatability were obtained from the electrode in experiment. Moreover, the EP sensing method was successfully applied in human and rat blood serum, the recoveries were validated by HPLC method. It indicates the reliability of the method in practical analysis.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1304763	Bismuth(III) oxide		1304-76-3	Price

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