Zn-MOFs/glassy carbon electrode, and production method and application thereof

A glassy carbon electrode, zn-mofs technology, applied in Zn-MOFs/glassy carbon electrode and its production and application fields, can solve the problems of low resistance, ascorbicemia, subcutaneous mucosal bleeding, etc. The effect of increasing active sites and large specific surface area

Active Publication Date: 2017-03-15
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Due to its importance in maintaining body functions, if the intake of vitamin C is lacking for a long time, i

Method used

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  • Zn-MOFs/glassy carbon electrode, and production method and application thereof
  • Zn-MOFs/glassy carbon electrode, and production method and application thereof
  • Zn-MOFs/glassy carbon electrode, and production method and application thereof

Examples

Experimental program
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Embodiment Construction

[0014] (1) Preparation of Zn-MOFs solution

[0015] 10mL containing 0.149 grams of Zn (NO 3 )2·6H 2 O, 0.0861 gram of thiophene-2,5-dicarboxylic acid, 0.0837 gram of 4,4-bipyridine and 0.0398 gram of sodium hydroxide in distilled water, stirred magnetically for 1 hour at room temperature, then transferred the mixed solution in the beaker to 25 mL with In the hydrothermal reaction kettle with polytetrafluoroethylene substrate, put the reaction kettle into an oven and heat it to 170°C for crystallization for 72 hours. Cool to room temperature under the state, take out the reaction kettle, pink needle-like crystals are formed, filter, and dry naturally to obtain the Zn-MOFs sample, take 20 mg of the sample and grind it in an agate mortar, and then dissolve the sample at room temperature to 25mL double-distilled water, continuous ultrasonication for 1 hour, dissolved and prepared Zn-MOFs solution, ready for use.

[0016] (2) Pretreatment of glassy carbon electrodes

[0017] Us...

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Abstract

The invention discloses a production method of a chemically modified electrode for detecting concentration of ascorbic acid. By electrochemical activity of a metal organic framework material Zn-MOFs, the Zn-MOFs/glassy carbon electrode is produced according to an electro-deposition method. The modified glassy carbon electrode can be applied to detection of the concentration of the ascorbic acid in samples.

Description

technical field [0001] The invention relates to a manufacturing method of a chemically modified electrode for detecting ascorbic acid concentration. Background technique [0002] Ascorbic acid is a heterogeneous substance, also known as vitamin C (L-Vitamin C, hereinafter referred to as Vc). As an essential nutrient in the body, Vc can also slow down the damage of free radicals. Vc is produced by metabolism, and can also be obtained through Fruits, vegetables, etc., but their consumption must be strictly in accordance with the provisions of the "Food Safety Law of the People's Republic of China". Due to its importance in maintaining body functions, long-term lack of vitamin C intake may cause ascorbicosis, which in turn leads to subcutaneous and mucous membrane bleeding and lowered resistance. In recent years, scientists have proposed that vitamin C has a certain anti-cancer effect. Therefore, in order to ensure people's daily healthy diet, it is of great significance to e...

Claims

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Application Information

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IPC IPC(8): G01N27/30
CPCG01N27/308
Inventor 刘峥李庆伟李海莹郭征楠
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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