Olaquindox flow injection molecular imprinting-chemiluminescence on-line coupled detection method

A technology of molecular imprinting and chemiluminescence, which is applied in the fields of chemiluminescence/bioluminescence, analysis by making materials react chemically, etc.

Inactive Publication Date: 2012-04-18
SHANDONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to overcome the defects such as long detection time, expensive instrument, poor accuracy and cumbersome pretreatment in the traditional detection method of olaquindox, and provide a Molecular imprinting-chemiluminescence online combined detection method of olaquindox flow injection

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  • Olaquindox flow injection molecular imprinting-chemiluminescence on-line coupled detection method
  • Olaquindox flow injection molecular imprinting-chemiluminescence on-line coupled detection method
  • Olaquindox flow injection molecular imprinting-chemiluminescence on-line coupled detection method

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Embodiment Construction

[0029] Below in conjunction with embodiment, the present invention is further described; Following embodiment is illustrative, not limiting, can not limit protection scope of the present invention with following embodiment.

[0030] The invention combines the molecular imprinting technique of olaquindox with chemiluminescence to establish a rapid detection method with high sensitivity for olaquindox. Its specific embodiment is:

[0031] 1. Using methanol as solvent, the preparation process of molecularly imprinted polymers was as follows: add 45 mL of pure methanol solution and 0.9 g of olaquindox solid powder into a 100 mL round-bottomed flask with a stopper, heat and dissolve under reflux; add 2.34 mL of 3 -Aminopropyltriethoxysilane, magnetically stirred, reacted for 20 min; added 0.5 g activated silicon spheres, stirred for 5 min, added 6.24 mL tetraethoxysilane, stirred for 10 min; then added 4.0 mL of 0.1 mol L -1 Acetic acid, incubated in water bath at 50°C for 24 h; c...

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Abstract

The invention discloses an olaquindox flow injection molecular imprinting-chemiluminescence on-line coupled detection method, which comprises steps of: molecular imprinting polymer preparation; establishment of a flow injection molecular imprinting-chemiluminescence on-line coupled system; flow injection molecular imprinting-chemiluminescence on-line coupled detection and the like. According to the invention, the prepared molecular imprinting polymer which has high selectivity to olaquindox is used as an adsorbent so as to avoid poor selectivity of a traditional adsorbent. The method providedby the invention is a rapid and sensitive detection method with a wide detection range of olaquindox by the combination of flow injection molecular imprinting on-line enrichment and chemiluminescence. The method provided by the invention has advantages of low cost, simple experimental operation and high sensitivity, and is suitable for rapid detection of trace olaquindox in various agricultural products.

Description

technical field [0001] The invention relates to an online combined detection method of molecular imprinting and chemiluminescence by flow injection of olaquindox, which belongs to the field of food safety detection technology, in particular to a rapid detection method of olaquindox. Background technique [0002] Laquindox (Olaquindox, 2-[N-(2-hydroxy-ethyl)-carbamoyl]-3-methyl-quinoxaline-1,4-dioxide) has good broad-spectrum antibacterial effect And it can promote the digestion and utilization of feed by livestock and poultry, and increase the growth rate; it is a low-toxic, high-efficiency, and low-consumption antibacterial growth-promoting agent, which is widely used in various veterinary drugs and feed additives. [0003] At present, the detection of olaquindox in food at home and abroad mostly adopts the method of liquid chromatography and liquid chromatography-mass spectrometry to carry out qualitative and quantitative detection, but the equipment used by the above-ment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/76
Inventor 徐志祥宋佳明徐龙华
Owner SHANDONG AGRICULTURAL UNIVERSITY
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