Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Electrochemical sensor based on hierarchical porous cu-btc material and its application in detection of pesticide glyphosate

A multi-level pore, electrochemical technology, applied in the field of preparation of electrochemical sensor materials, can solve the problems of high cost, long detection cycle, cumbersome sensor preparation methods, etc., to enhance adsorption capacity, increase the number of electrode reaction sites, optimize The effect of enrichment time

Active Publication Date: 2019-11-01
YANGZHOU UNIV
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Glyphosate electrochemical detection technology mainly focuses on enzyme-containing electrochemical sensors, molecular imprinted electrochemical sensors and aptamer electrochemical sensors. The preparation methods of sensors are relatively cumbersome, and the cost is high, and the detection cycle is long (about 1 hour or more) )

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electrochemical sensor based on hierarchical porous cu-btc material and its application in detection of pesticide glyphosate
  • Electrochemical sensor based on hierarchical porous cu-btc material and its application in detection of pesticide glyphosate
  • Electrochemical sensor based on hierarchical porous cu-btc material and its application in detection of pesticide glyphosate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] 1. Preparation of Hierarchical Porous Cu-BTC Material:

[0032] Mix 0.435 g (1.8 mmol) of copper nitrate trihydrate, 0.620 mL (10.8 mmol) of acetic acid, 0.50 mL of triethylamine and 12 mL of ethanol, and stir at room temperature for 1 hour. Subsequently, 0.210 g (1.0 mmol) of trimesic acid was added, and stirring was continued for 2 hours. Then, the mixture was transferred to a stainless steel autoclave lined with polytetrafluoroethylene and reacted at 85 °C for 12 hours. After the reaction, the product was collected by centrifugation and washed three times with ethanol. Finally, the product was dried at 65 °C for 12 h to obtain a hierarchically porous Cu-BTC material.

[0033] figure 1 It is a scanning electron microscope image of Cu-BTC prepared by the present invention, from which the shape and hole structure of Cu-BTC can be obtained, and the specific surface area is large.

[0034] figure 2 It is a transmission electron microscope picture of Cu-BTC prepared ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The electrochemical sensor based on hierarchical porous Cu‑BTC material and its application in the detection of pesticide glyphosate involves the preparation technology of electrochemical sensor materials, and the hierarchical porous Cu‑BTC material and perfluorosulfonic acid are sequentially modified in oxidation Indium tin conductive glass surface for electrochemical sensors based on hierarchically porous Cu‑BTC materials. The electrochemical sensor is used as a working electrode, a saturated calomel electrode is used as a reference electrode, and a platinum wire electrode is used as a counter electrode to form a three-electrode system, which can accurately detect the content of glyphosate in the liquid to be measured. Through the test, the results show that the sensitivity of the electrode to glyphosate detection is significantly improved, and the modified electrode is easy to prepare, has good reproducibility and stability, and a wide linear range, and can detect the content of glyphosate in the actual sample. Fast, high accuracy and other advantages.

Description

technical field [0001] The invention relates to the preparation technology of electrochemical sensor materials, and also relates to the technical field of detection of non-electroactive pesticide glyphosate. Background technique [0002] Organophosphorus pesticides have become one of the most widely used pesticides in my country due to their advantages such as short residual period, fast degradation, low toxicity, high efficiency and strong selectivity. It is enriched in the environment, and the problem of excessive pesticides may exist after the crops absorb such pesticides during the growth process. Therefore, its rapid and efficient detection has important practical significance. [0003] Glyphosate is a commonly used organophosphate herbicide, which is widely used in weed control and vegetation control as a versatile, non-selective, seedling-use organophosphate herbicide. Due to its high herbicidal properties and low toxicity to mammals, glyphosate is widely used in cro...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/36G01N27/48
CPCG01N27/36G01N27/48
Inventor 王赪胤王罗娜曹宇胡效亚
Owner YANGZHOU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com