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Preparation of automatic cleaning paper-based sensing device and its application in ion analysis

A technology for automatic cleaning and sensing devices, which is applied in measuring devices, analyzing materials, and analyzing materials by electromagnetic means. It can solve problems such as constraints on the development of paper chip analysis devices and waste of human resources, and achieve improved conductivity and specific surface area. , improve the signal strength, good specificity effect

Inactive Publication Date: 2020-10-02
UNIV OF JINAN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the cleaning operation of paper chips is particularly prominent. Repeated and tedious operations cause waste of human resources, which greatly restricts the development of paper chip analysis devices.

Method used

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  • Preparation of automatic cleaning paper-based sensing device and its application in ion analysis
  • Preparation of automatic cleaning paper-based sensing device and its application in ion analysis
  • Preparation of automatic cleaning paper-based sensing device and its application in ion analysis

Examples

Experimental program
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Effect test

Embodiment 1

[0040] The preparation method of the paper-based electrochemiluminescence sensing platform with automatic cleaning function is as follows:

[0041] (1) Use Adobe illustrator CS4 software on the computer to design the hydrophobic wax printing pattern of the paper-based device with automatic cleaning function, and its style is as attached figure 1 As shown, the 3D multifunctional integrated paper-based device includes six wax-printed areas A, B, C, D, E, and F, where the dimensions of A, B, and C are 35×45 mm, and the size of D is 40×45 mm, the size of E and F is 30×45 mm, the diameter of the circular hollow channel on A and C is 14 mm, the width of the hydrophilic channel on B is 4 mm, and the entrance is a circular hydrophilic channel with a diameter of 8 mm. Water area, the outlet is a circular hydrophilic area with a diameter of 14 mm, and the electrode area on E and F is a semicircular hydrophilic area with a diameter of 14 mm, with a distance of 1.5 mm and a width of 1 mm ...

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Abstract

The invention relates to preparation of an automatic cleaning paper-based electrochemical luminescence sensor and application of the automatic cleaning paper-based electrochemical luminescence sensorin heavy metal ion detection. A multi-channel cleaning area, a hollow channel area, a working electrode area, an auxiliary area and an absorption cleaning liquid area are prepared on a paper chip through a wax printing technology, and three electrodes are printed by virtue of a screen printing technology. By means of the hydrophilicity, designability and capillary action of paper, an automatic cleaning function of a paper chip device is realized by combining the multi-channel design. The signal is enhanced and the sensitivity of a system is improved by utilizing an intramolecular co-reaction agent and an intermolecular co-reaction agent of a luminescence reagent. The high-sensitivity and specific detection of the sensor can be realized by means of the inhibition effect of a specific DNA enzyme chain and mercury ions to nickel ions.

Description

technical field [0001] The invention relates to the technical field of automatic cleaning paper-based sensor analysis and detection, and more specifically relates to the construction of a paper-based electrochemical luminescence sensor with automatic cleaning function and its application in the detection of double metal ions. Background technique [0002] In recent years, the problem of environmental pollution has become increasingly serious, and excessive heavy metal ions are one of the important factors of environmental pollution. As a toxic micro-pollutant, heavy metal ions can be continuously transferred and accumulated in the organism through the food chain in the ecosystem, which will affect the survival and health of human beings. Excessive heavy metal ions accumulated in the living body usually cause damage to the digestive tract, respiratory tract, liver and other organs, and even lead to the death of the living body. Therefore, it is urgent to find a simple, fast,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/26G01N27/30G01N27/327G01N21/76
CPCG01N21/76G01N27/26G01N27/30G01N27/3278
Inventor 于京华黄煜真李丽
Owner UNIV OF JINAN
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