Polypyrrole-PVC membrane decorative taste sensor array and detecting method

A technology of polyvinyl chloride film and taste sensor, which is applied in the field of polypyrrole-polyvinyl chloride film modified taste sensor array and its detection, can solve the problems affecting the stability and durability of the system, the leakage of internal reference liquid, etc., and achieve the improvement of physical The effect of stability

Inactive Publication Date: 2007-02-07
NANCHANG UNIV
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Problems solved by technology

However, the existence of the internal reference liquid in the sensor leads to defects in three aspects, one is the leakage of the internal reference liquid itself, the other is the deformation of the PVC film caused by the long-term immersion of the internal reference liquid on the PVC film, and the third is the modification The filter out of the internal reference solution under long-term immersion, thus affecting the stability of the system and the durability of use

Method used

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  • Polypyrrole-PVC membrane decorative taste sensor array and detecting method
  • Polypyrrole-PVC membrane decorative taste sensor array and detecting method

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[0012] like figure 1 , figure 2 As shown, the polypyrrole-polyvinyl chloride film taste sensor is composed of copper rod 1, polytetrafluoroethylene 2, platinum disk 3, polypyrrole 4 and polyvinyl chloride film (5), the conductive polypyrrole 4 is on the inert material platinum disk 3 The substrate is polymerized by electrochemical methods, and it is the adhesive of polyvinyl chloride modified film and inert material to form a composite layer composed of polyvinyl chloride, polypyrrole and platinum electrodes. , cholesterol, ferrocene, glyceryl monostearate, hemin, and tetrabutylammonium tetraphenylboron to obtain eight polyvinyl chloride film taste sensors 7 with different properties. The mercury electrodes 6 constitute a sensor array. The polypyrrole layer is used as the substrate and the polyvinyl chloride modified film is used to improve the physical stability of the sensor, and the electromagnetic shielding effect of polypyrrole is used to obtain a stable electrochemica...

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Abstract

The sensor array modified by polypyrrole-PVC film comprises: with Pt-electrode as substrate, polymerizing conductive polypyrrole by electrochemical method; then, covering the PVC film modified by 8 smell-sensitive agents to form 8 solid smell sensors and form an array with a 217-type saturated dual-salt bridge calomel electrode, wherein it can use open-loop potential to obtain the electric response of target solution in the sensor interface, and detects data matrix to process the smell feature by PCA and cluster analysis. This invention improves sensor physical stability, and uses artificial saliva for stable interface as the AI application.

Description

technical field [0001] The invention relates to a polypyrrole-polyvinyl chloride film modified polyvinyl chloride film sensor modification technology and electrochemical potential detection technology to realize artificial intelligence recognition of taste, specifically a polypyrrole-polyvinyl chloride film modified taste sensor array and its detection method. Background technique [0002] Artificial intelligence taste is essentially a regenerative taste sensory, a complex and comprehensive biological sensory reproduction. In the artificial intelligence taste system, the taste sensor plays a vital role and is one of the three important components including the self-learning expert database and intelligent pattern recognition. The currently known potentiometric taste sensor is a polyvinyl chloride film sensor with an internal reference. The taste substance contained in the taste liquid causes a change in the potential response on the sensor interface ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/27G01N27/30
Inventor 黄赣辉邓少平
Owner NANCHANG UNIV
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