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Aniline solid phase electrochemiluminescence detection method

A chemiluminescence detection and chemiluminescence technology, applied in chemiluminescence/bioluminescence, electrochemical variables of materials, analysis by chemical reaction of materials, etc., can solve the problems of high analysis cost, consumption, etc., and achieve good stability Effect

Active Publication Date: 2014-10-29
SOUTHEAST UNIV
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Problems solved by technology

However, in the traditional ECL-flow injection liquid-phase ECL detection application, due to the expensive ECL active substance bipyridyl ruthenium (Ru(bpy) 3 2+ ) or related derivatives are consumed in large quantities as flow reaction reagents, leading to high analytical costs and thus limiting their applications

Method used

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  • Aniline solid phase electrochemiluminescence detection method
  • Aniline solid phase electrochemiluminescence detection method
  • Aniline solid phase electrochemiluminescence detection method

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Embodiment Construction

[0041] A kind of solid-phase electrochemiluminescence detection method of aniline provided by the present invention is: (1) a certain amount of bipyridyl ruthenium, nano-gold colloid and nylon 6 are continuously stirred at room temperature in a suitable solvent to prepare a uniform and transparent precursor Bulk electrospinning solution, using electrospinning technology, deposits it in the form of disorderly arranged non-woven fabric on a clean bare electrode to obtain an optical composite nanofiber modified electrode; (2) use the electrode obtained in (1) as The working electrode uses a three-electrode system to construct an optical composite nanofiber-solid-phase electrochemiluminescence sensing system and optimize related parameters; (3) apply the optical composite nanofiber-solid-phase electrochemiluminescence constructed in (2) Sensing system for quantitative detection of aniline. The solid-phase electrochemiluminescence detection method for aniline is simple, convenient,...

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Abstract

The invention discloses an aniline solid phase electrochemiluminescence detection method. The method comprises the following steps: (1) preparing an optical composite nano fiber Ru-AuNPs-PA6; (2) constructing and optimizing a solid phase electrochemiluminescence sensing system; (3) carrying out quantitative detection on aniline. The electrochemiluminescence active substance, namely a bipyridine ruthenium doped colloidal nano gold / polyamide6 composite nano fiber (Ru-AuNPs-PA6), is prepared through a static spinning method. Then a solid phase electrochemiluminescence sensing system is built by utilizing the Ru-AuNPs-PA6, then related parameters of the system are optimized, and finally the built solid phase electrochemiluminescence system is used to detect aniline quantitatively. The aniline solid phase electrochemiluminescence detection method has the characteristics of high sensitivity, high stability, broad linearity range, low detection limit, and reusable sensing system.

Description

technical field [0001] The invention discloses a solid-phase electrochemiluminescence detection method for aniline. The invention belongs to the field of molecular detection of aromatic amines. Background technique [0002] Aniline is also known as aniline oil, molecular formula: C 6 h 7 N, is one of the most important aromatic amines. Aniline is an important organic chemical raw material. Aniline in the environment mainly comes from the production processes of rubber, printing and dyeing, pharmaceuticals, plastics, and pottery glazing. Aniline is a highly toxic substance, which combines with hemoglobin to form methemoglobin, which reduces the ability of hemoglobin to bind oxygen and causes animal poisoning. Through inhalation and absorption, aniline can cause acute poisoning or chronic poisoning to the human body, causing symptoms such as headache, dizziness, fatigue, memory loss, poor breathing, and even suffocation. Long-term exposure to aniline can also cause cancer....

Claims

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Application Information

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IPC IPC(8): G01N21/76G01N27/30
Inventor 王晓英
Owner SOUTHEAST UNIV
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