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Diallyl phthalate colloidal gold immunochromatographic assay test strip

A technology for immunochromatographic detection and phthalic acid, which is used in measurement devices, analytical materials, instruments, etc., can solve the problems of unrealistic experimental conditions, complex measurement methods, and small detection throughput, and achieves fast detection speed and operation. Simple, convenient and low-cost effect

Inactive Publication Date: 2017-06-13
上海源紊新能源科技有限公司
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  • Abstract
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Problems solved by technology

[0004] At present, the detection of dipropylene phthalate mainly adopts instrumental analysis methods, such as HPLC, HPLC-MS, and GC-MS methods. However, these determination methods are quite complicated and require specially trained personnel to operate, and the detection throughput is very small. , the instrument is expensive, which is very unrealistic for the experimental conditions of many grassroots units, so it is urgent to develop a simple, sensitive and inexpensive method and tool for detecting dipropylene phthalate

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  • Diallyl phthalate colloidal gold immunochromatographic assay test strip

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experiment example

[0034] The dipropylene phthalate colloidal gold immunoassay test paper of the present invention is compared with the GC-MS method, and two methods are used to detect dipropylene phthalate in three different samples liquor, grain and animal feed simultaneously , dipropylene phthalate colloidal gold immunoassay test paper of the present invention is experimental group, and GC-MS method is control group, and each process is repeated 3 times, and experimental result is averaged, and result is as shown in table 1.

[0035] Table 1

[0036] sample Experimental group (ppb) Control group (ppb) 3 results deviation Liquor 8.68 7.92 13.6％ food 17.35 16.58 11.1％ Animal food 34.37 31.19 9.8％

[0037] Find out from table 1 test result, the test result of two kinds of methods is closer, uses colloid gold test kit test result of the present invention and the higher GC-MS test result of precision is very close, and the result stability of different s...

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Abstract

The invention specifically discloses a diallyl phthalate colloidal gold immunochromatographic assay test strip which comprises a liquid absorption layer, a colloidal gold marking layer, a detection reaction layer, a water adsorption layer and a back liner. The diallyl phthalate colloidal gold immunochromatographic assay test strip has the advantages of being high in specificity, high in sensitivity, fast in detection speed, great in flux, simple and convenient to operate, stable in color, wide in detection temperature suitable range, long in expiration date of the test stripe, low in cost and the like, and semi-quantitative determination can be realized. The detection result of a colloidal gold kit is very close to a GC-MS detection result which is higher in precision. The result stability of different samples is relatively good, and the detection result of the kit and the actual result precision are controlled at about 97%, and the average deviation of three parallel detection results is controlled within 14%.

Description

technical field [0001] The invention relates to the technical field of drug residue detection, in particular to a dipropylene phthalate colloidal gold immunochromatographic detection test paper. Background technique [0002] Dipropylene phthalate is a chemical substance used in industrial production. It is a reactive plasticizer, mainly used in the preparation of diisopropyl phthalate resin, which is used as unsaturated polyester resin Crosslinking agent, strengthening agent of cellulose resin. And used as a plasticizer for resins that can self-polymerize without adding inhibitors. Therefore, it widely exists in food packaging, cosmetics, medical equipment and environmental water bodies. [0003] Phthalates have toxic effects on the reproductive system, endocrine system, nervous system, etc. Since the loss of nerves is irreversible, such threats have aroused great concern; and a large number of production and processing make them distributed in the environment Extensive, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/558G01N33/531
CPCG01N33/558G01N33/531
Inventor 不公告发明人
Owner 上海源紊新能源科技有限公司
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