Related Experiment Video
Updated: Jul 11, 2026
11:17
Sensing of Barrier Tissue Disruption with an Organic Electrochemical Transistor
Published on: February 10, 2014
11.7K
Bioinspired integrated triboelectric electronic tongue.
Jiaming Liu1, Jingui Qian1, Murtazt Adil2
1Anhui Province Key Laboratory of Measuring Theory and Precision Instruments, School of Instrumental Science and Optoelectronics Engineering, Hefei University of Technology, 230009 Hefei, Anhui China.
Microsystems & Nanoengineering
|May 10, 2024
Summary
A new triboelectric bioinspired electronic tongue (TBIET) offers highly accurate liquid sample analysis. This self-powered device enables rapid, on-site detection for medical and environmental applications.
Area of Science:
- Bio-inspired engineering
- Sensor technology
- Artificial intelligence
Background:
- Traditional electronic tongues (E-tongues) are bulky, require large sample volumes, and external power, limiting their use.
- Triboelectric components offer a solution by mimicking the human tongue's mechanics for miniaturization and self-powering.
Purpose of the Study:
- To develop an integrated multichannel triboelectric bioinspired E-tongue (TBIET) on a single chip.
- To enhance taste classification accuracy using multiple sensory signals.
- To validate TBIET's detection capabilities across diverse liquid samples.
Main Methods:
- Fabrication of a multichannel TBIET device on a glass slide.
- Utilizing triboelectric principles for sensor operation.
- Employing artificial intelligence for data analysis and pattern recognition.
Main Results:
- Achieved high classification accuracy: 100% for chemical solutions, 98.3% for environmental samples, 97.0% for teas, and 96.9% for NaCl solutions.
- Demonstrated ultrahigh sensitivity to electrical properties of liquid droplets.
- Validated TBIET's reliability and speed in analyzing various liquid samples.
Conclusions:
- The TBIET represents a significant advancement in self-powered, portable E-tongue technology.
- This device enhances the feasibility of rapid, on-site liquid sample detection.
- TBIET shows great potential for applications in medical diagnosis and analytical chemistry.
Related Concept Videos
01:24Electrochemical Systems
Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution, the Zn metal, composed...
01:27Tactile and Chemical Senses
Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex. This...
01:17Microbial Biosensors
Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...