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

A technology of molecular imprinting and chemiluminescence, which is applied in the direction of chemiluminescence/bioluminescence, and analysis through chemical reactions of materials, can solve the problems of expensive instruments, cumbersome pretreatment, and long detection time, and achieve low cost and high sensitivity. High, to avoid the effect of the pre-treatment process

Inactive Publication Date: 2013-03-27
SHANDONG AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to overcome defects such as long detection time, expensive instrument, poor accuracy, and cumbersome pretreatment in the traditional detection method of olaquindox, and provide a kind of rapid detection method of olaquindox

Method used

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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] Hereinafter, the present invention will be further described in conjunction with the examples; the following examples are illustrative and not restrictive, and the scope of protection of the present invention cannot be limited by the following examples.

[0030] The present invention combines olaquindox molecular imprinting technology with chemiluminescence to establish a rapid detection method with high sensitivity to olaquindox. The specific embodiment is:

[0031] 1. Using methanol as the solvent, the preparation process of the molecularly imprinted polymer is as follows: put 45mL pure methanol solution and 0.9g olaquindox solid powder into a 100mL round bottom flask with stopper, and heat to dissolve under reflux; add 2.34mL 3-amino after dissolution Propyl triethoxy silane, magnetic stirring, react for 20 min; add 0.5 g of activated silicon balls, stir for 5 min, add 6.24 mL of tetraethoxy silane, and stir for 10 min; add 4.0 mL of 0.1 mol L -1 Acetic acid, 50℃ water ba...

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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 provided by 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 olaquindox flow injection molecular imprinting-chemiluminescence online combined detection method, which belongs to the field of food safety detection technology, in particular to a rapid detection method for olaquindox. Background technique [0002] Olaquindox (Olaquindox, 2-[N-(2-hydroxy-ethyl)-carbamoyl]-3-methyl-quinoxaline-1,4-dioxide) has a 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-toxicity, high-efficiency, low-dosage antibacterial growth promoter, and is widely used in a variety of veterinary drugs and feed additives. [0003] At present, the detection of olaquindox in foods at home and abroad mostly uses liquid chromatography and liquid chromatography-mass spectrometry for qualitative and quantitative detection, but the equipment used in the above detection methods is expensive and when the content of...

Claims

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Application Information

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IPC IPC(8): G01N21/76
Inventor 徐志祥宋佳明徐龙华
Owner SHANDONG AGRICULTURAL UNIVERSITY
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