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Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase

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Biosensors for Odor Detection: A Review.

Hongchao Deng¹, Takamichi Nakamoto¹

¹Laboratory for Future Interdisciplinary Research of Science and Technology, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori, Yokohama 226-8503, Kanagawa, Japan.

|December 22, 2023

Summary

Scientists are developing advanced odor biosensors using animal olfactory biomaterials. These biosensors mimic natural detection abilities for sensitive and selective environmental odor analysis.

Keywords:

aptamer biosensor enzyme odorant odorant binding protein olfactory epithelium olfactory receptor

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Area of Science:

Biomedical Engineering
Chemical Sensing
Animal Physiology

Background:

Animals possess highly sensitive and selective olfactory systems capable of detecting numerous odors.
Advances in biological olfactory research enable the extraction of biomaterials for biosensor development.
Biosensors integrating biological olfactory components inherit natural detection capabilities.

Purpose of the Study:

To review odor biosensors derived from animal olfactory systems.
To compare various types of olfactory biosensors, including organ/tissue-based, cell-based, and protein-based.
To discuss the utilization of diverse biological materials in odor sensing.

Main Methods:

Review of existing literature on animal olfactory biosensors.
Categorization and comparison of biosensors based on biological components (organ/tissue, cell, protein).
Identification and discussion of other biomaterials used in odor detection (peptides, nanovesicles, enzymes, aptamers).

Main Results:

Multiple types of odor biosensors based on animal olfactory substances have been developed.
Organ/tissue-based, cell-based, and protein-based biosensors demonstrate excellent detection performance.
A variety of biological materials are effectively employed in the construction of odor biosensors.

Conclusions:

Odor biosensors leveraging animal olfactory systems offer high sensitivity and selectivity.
Continued research into biological materials promises further advancements in odor detection technology.
These biosensors represent a significant development in environmental monitoring and analysis.