Determination of Rutin in Black Tea Samples using a Nanostructure Amplified Electroanalytical Sensor

Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_AJCS-3-6_006

تاریخ نمایه سازی: 22 دی 1399

Abstract:

Ag nanoparticle and 1-buthyl-3-methyl imidazolium bromide (1B3MIBr) carbon paste electrode(Ag/NP/1B3MIBr/CPE) amplified sensor was fabricated for determination of rutin in this project. The electro-oxidation of rutin occurs at a potential about 0.4 V at the surface of Ag/NP/1B3MIBr/CPE and this value is less positive than the unmodified CPE. pH = 7.0 was selected as an optimize condition for all of electrochemical investigations in this work and for evaluating electrochemical parameters such as diffusion coefficient (5.0 × 10-6 cm2/s). At the optimized condition for rutin analysis, the differential pulse voltammetry (DPV) peak currents of rutin show a wide linear dynamic range from 0.05-320 μM with a detection limit of 10 nM. Finally, the Ag/NP/1B3MIBr/CPE was used for determination of rutin in soy samples with good selectivity and high sensitivity.

Authors

Bahareh Davarnia

Department of Food Science and Technology, Ayatollah Amoli Branch, Islamic Azad University, Amol ۴۶۳۱۱-۳۹۶۳۱, Mazandaran, Iran

Seyed-Ahmad Shahidi

Department of Food Science and Technology, Ayatollah Amoli Branch, Islamic Azad University, Amol ۴۶۳۱۱-۳۹۶۳۱, Mazandaran, Iran

Azade Ghorbani-HasanSaraei

Department of Food Science and Technology, Ayatollah Amoli Branch, Islamic Azad University, Amol ۴۶۳۱۱-۳۹۶۳۱, Mazandaran, Iran

Fatemeh Karimi

Department of Chemical Engineering, Laboratory of Nanotechnology, Quchan University of Technology, Quchan, Islamic Republic of Iran

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