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Mycotoxin test paper

A technology for detecting test strips and mycotoxins, applied in measuring devices, instruments, scientific instruments, etc., can solve problems such as time-consuming, complex and cumbersome processing, and unsuitable for on-site operations, so as to improve the detection limit, high detection sensitivity, and ensure detection accuracy and the effect of observation accuracy

Inactive Publication Date: 2016-12-21
成都测迪森生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing methods for the detection of mycotoxins mainly include chromatography, mass spectrometry, LC-MS / MS, etc. Although these methods have high specificity and sensitivity, they generally have complex and tedious sample pretreatment, time-consuming, and are not suitable for on-site operation. Waiting for deficiencies

Method used

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  • Mycotoxin test paper

Examples

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Embodiment 1

[0030] Such as figure 1 As shown, a mycotoxin detection test paper includes a substrate 7 placed at the bottom, a detection pad 12 is arranged in the middle above the substrate 7, and the detection pad is cup-shaped. One side of the detection pad 12 is provided with an anti-spill pad 8, and the other side of the detection pad 12 is One side is provided with a soaking pad 9, and the upper edge of the detection pad 12 is covered on the upper surface of the spill-proof pad 8 and the soaking pad 9, the upper surface of the spill-proof pad 8 is covered with a color-developing film 11, and the upper surface of the soaking pad 9 is covered with The suction spline 10 is connected with the induction area 5 . The color-developing film 11 and the upper edge of the detection pad 12 are on the same horizontal plane, and the color-developing film 11 and the detection pad 12 are spaced apart. The top surface of the suction spline 10 is higher than the upper edge of the detection pad 12 , an...

Embodiment 2

[0033] The preparation method of agglomerated particle A:

[0034] Immerse doxorubicin in 4% cobalt chloride solution for 12 hours and take it out, wherein the ratio of doxorubicin to copper sulfate is 12:1, and put it into a nitrogen-protected sodium hydroxide solution under stirring conditions, Sodium hydroxide solution soaks doxorubicin completely, according to the ratio of cobalt chloride: sodium borate: ascorbic acid = 1:1:0.7, slowly add sodium borate dropwise to the solution, and react at 35°C for 30 minutes, add to the solution After adding ascorbic acid and standing for 1-2 hours, the above product was rinsed several times with deionized water, and freeze-dried overnight to prepare a sample.

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Abstract

The invention discloses a piece of mycotoxin test paper, and belongs to the field of test paper. The mycotoxin test paper comprises a base body arranged at the bottom. A test pad is arranged in the middle on the base body and is in an annular shape. An anti-overflowing pad is arranged on one side of the test pad. A sample soaking pad is arranged on the other side of the test pad. The edge of the upper end of the test pad coats the upper surfaces of the anti-overflowing pad and the sample soaking pad. The upper surface of the anti-overflowing pad is coated with a developing membrane. The upper surface of the sample soaking pad is coated with a sample absorption strip which is connected with an induction region. The mycotoxin test paper has the advantages that use is convenient, the test paper is rapid and sensitive, no complex pretreatment needs to be performed on samples, whether samples contain ochratoxin or not can be detected rapidly, the test sensitivity is high, and the test limit can reach 1.4 ng / mL.

Description

technical field [0001] The invention relates to a detection test paper, in particular to a mycotoxin detection test paper. Background technique [0002] Mycotoxins are secondary toxic metabolites produced by fungi, which are commonly found in feed and food. They mainly cause harm to humans or animals through the food supply link, including causing common inflammatory reactions such as gastroenteritis, and changing the surface of macrophages. Type and DNA damage, even highly carcinogenic, and will cause damage to the reproductive system of humans or animals, and have a serious impact on children's growth and development. Mycotoxins have a wide range of contamination, which can be crops such as wheat and corn, fresh aquatic products, or milk and coffee used by people in daily life. Existing methods for the detection of mycotoxins mainly include chromatography, mass spectrometry, LC-MS / MS, etc. Although these methods have high specificity and sensitivity, they generally have c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/544
CPCG01N33/544G01N2333/38
Inventor 郑浩
Owner 成都测迪森生物科技有限公司
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