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Electronic Tongue Generating Continuous Recognition Patterns for Protein Analysis
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Development of a novel electronic tongue system using sensor array based on polymer films for liquid phase testing.

X Guo1, Y Chen, X Yang

  • 1Biosensor National Special Lab, Zhejiang University, Hang Zhou 310027, P. R. China; College of Biosystems Engineering and Food Science, Zhejiang University, Hang Zhou 310027, P. R. China.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 7, 2007
PubMed
Summary

A new electronic tongue uses a hybrid polymer sensor array for artificial taste sensing. This system successfully identified different liquid concentrations, demonstrating its feasibility for taste analysis.

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Area of Science:

  • Electrochemistry
  • Sensor Technology
  • Materials Science

Background:

  • Development of artificial taste sensing systems is crucial for various applications.
  • Electronic tongues offer a promising approach to mimic human gustatory perception.
  • Hybrid sensor arrays with diverse polymer films enhance sensing capabilities.

Purpose of the Study:

  • To develop and evaluate a novel electronic tongue system.
  • To investigate the use of a hybrid sensor array for liquid analysis.
  • To demonstrate the feasibility of artificial taste sensing using polymer films.

Main Methods:

  • Fabrication of a hybrid sensor array using conjugated conducting polymers (CPs), carbon black (CB), and single wall carbon nanotubes (CNT).
  • Impedance measurements of liquids with varying concentrations of HCl, NaCl, glucose, ethanol, and sodium dehydrocholate.
  • Principal Component Analysis (PCA) for processing impedance data.

Main Results:

  • The electronic tongue system demonstrated sensitivity to different analytes.
  • PCA effectively processed impedance data for pattern recognition.
  • Preliminary results indicate successful discrimination between various liquid samples.

Conclusions:

  • The developed electronic tongue system shows potential for artificial taste sensing.
  • The hybrid polymer sensor array is a viable platform for chemical sensing.
  • Further research can optimize the system for broader applications in taste analysis.