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Resveratrol measuring method by multi-wall carbon nanotube modified electrode

A technology of multi-walled carbon nanotubes and modified electrodes is applied in the field of electrochemical detection, which can solve the problems of poor reproducibility and low detection sensitivity, and achieve the effects of convenient preparation, simple method and high accuracy.

Inactive Publication Date: 2015-08-19
HUBEI UNIV FOR NATITIES
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Problems solved by technology

However, these methods are either poorly reproducible, require expensive equipment, or have low detection sensitivity

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  • Resveratrol measuring method by multi-wall carbon nanotube modified electrode

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Embodiment Construction

[0014] Specific embodiments of the present invention will be described in detail below in conjunction with specific drawings. It should be noted that the technical features or combinations of technical features described in the following embodiments should not be regarded as isolated, and they can be combined with each other to achieve better technical effects.

[0015] The invention provides a method for measuring resveratrol with a multi-walled carbon nanotube modified electrode, comprising the following steps:

[0016] The glassy carbon electrode was first polished with metallographic sandpaper, and then polished on flat glass with 0.05 μm alumina powder in turn until the mirror surface was smooth. Ultrasonic washing in medium for 5 minutes to obtain the treated glassy carbon electrode;

[0017] Crush single-walled carbon nanotubes with a mortar, add concentrated hydrochloric acid to ultrasonically disperse and remove the metal catalyst, wash to neutral, add concentrated H...

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Abstract

The invention discloses a resveratrol measuring method by a multi-wall carbon nanotube modified electrode. Firstly the multi-wall carbon nanotube modified electrode is prepared; then oxidation peak current of resveratrol at a place with -0.36V is measured by a voltmeter-ammeter method with the multi-wall carbon nanotube modified electrode as a working electrode, a rotating platinum wire electrode as a counter electrode, and an Ag / AgCl (3mol / L KCl) electrode as a reference electrode, and the resveratrol is quantitatively calculated. The resveratrol measuring method by the multi-wall carbon nanotube modified electrode is simple, and the multi-wall carbon nanotube modified electrode is convenient to prepare and can be used repeatedly for multiple times; the detection speed is high, and the accuracy rate is high.

Description

technical field [0001] The invention belongs to the field of electrochemical detection, and in particular relates to a method for measuring resveratrol by a multi-walled carbon nanotube modified electrode. Background technique [0002] Resveratrol is a polyphenolic compound, mainly derived from grapes, knotweed, peanuts, mulberries and other plants. Resveratrol is a natural polyphenolic substance with strong biological activity, also known as stilbene triphenols, it is a chemopreventive agent for tumors, and it is also effective in reducing platelet aggregation, preventing and treating atherosclerosis, cardiovascular and cerebrovascular diseases. chemopreventive agents. The research results of the US Department of Agriculture show that the red coat and kernel of peanuts also contain quite a lot of resveratrol. Experimental studies of resveratrol have demonstrated beneficial effects on cardiovascular disease and cancer. Resveratrol has obvious preventive effect on hormone-...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26G01N27/30
Inventor 黄文胜艾训儒胡卫兵谭远斌石震谭小红方敦史永红李群芳廖红华
Owner HUBEI UNIV FOR NATITIES
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