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Humans detect odors with the help of specialized cells located in the upper part of the nasal cavity, called olfactory receptor neurons (ORNs). ORNs possess hair-like structures called cilia, which are receptive to sensations from the inhaled air. When an odorant molecule binds to a specific receptor on the cell of the cilia, it leads to a series of events that ultimately cause the ORN to send electrical signals to the olfactory bulb in the brain through the olfactory nerves.
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Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase
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Bioelectronic Nose: An Emerging Tool for Odor Standardization.

Manki Son1, Ji Youn Lee2, Hwi Jin Ko3

  • 1Interdisciplinary Program for Bioengineering, Seoul National University, Seoul 151-742, Republic of Korea.

Trends in Biotechnology
|January 17, 2017
PubMed
Summary
This summary is machine-generated.

Communicating about odors is challenging due to individual perception differences. A novel bioelectronic nose offers a solution for odor classification and standardization, enabling better communication of scent information.

Keywords:
bioelectronic nosehuman olfactory receptorodor standardizationolfactory display system

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Area of Science:

  • Biotechnology
  • Sensory Science
  • Analytical Chemistry

Background:

  • Human perception of odors is subjective, hindering consistent communication and standardization.
  • Existing tools for odor analysis lack the sensitivity and selectivity required for comprehensive classification.
  • Objective methods are needed to bridge the gap in understanding and communicating complex scent profiles.

Purpose of the Study:

  • To introduce a bioelectronic nose as a tool for objective odor analysis.
  • To explore the potential of bioelectronic noses in odor classification and standardization.
  • To demonstrate the capability of multiplexed bioelectronic noses for complex odor information and potential odor reproduction.

Main Methods:

  • Development of a bioelectronic nose mimicking human olfactory senses.
  • Utilizing high sensitivity and selectivity for target molecule detection.
  • Employing pattern recognition techniques with multiplexed bioelectronic noses for complex odor analysis.

Main Results:

  • The bioelectronic nose demonstrates high sensitivity and selectivity in detecting odor molecules.
  • Multiplexed systems provide complex odor information through pattern recognition.
  • Potential for integrated olfactory displays to reproduce perceived odors.

Conclusions:

  • Bioelectronic noses offer a promising solution for the long-standing challenge of odor communication and standardization.
  • This technology can accelerate the development of objective odor classification systems.
  • The development of odor codes via bioelectronic noses could revolutionize how we share and understand scent information.