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Electroantennography-based Bio-hybrid Odor-detecting Drone using Silkmoth Antennae for Odor Source Localization

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Olfactory biosensor for smart agriculture.

Xujun Chen¹, Longgang Ma¹, Zhengzhong Wan¹

¹College of Engineering, China Agricultural University, Beijing 100083, PR China.

Biotechnology Advances

|May 31, 2025

Summary

Olfactory biosensors offer sensitive, selective, and stable detection for agriculture. This review covers their development, mechanisms, and applications, paving the way for smart and green agriculture.

Keywords:

Agricultural applications Conversion mechanism Olfactory biosensors Sensitive layer Smart agriculture

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Area of Science:

Agricultural Science
Biosensor Technology
Environmental Monitoring

Background:

High-quality agricultural development is crucial for human survival.
Olfactory biosensors present significant advantages in sensitivity, selectivity, and stability for agricultural applications.
These sensors mimic the biological olfactory system for detecting various analytes.

Purpose of the Study:

To review the development history and characteristics of olfactory biosensors.
To analyze signal conversion mechanisms, preparation techniques, and agricultural applications.
To discuss challenges, future trends, and economic aspects of olfactory biosensors in agriculture.

Main Methods:

Literature review of olfactory biosensor research.
Analysis of sensitive layer characteristics and signal transduction pathways.
Discussion of fabrication methods and application case studies in agriculture.

Main Results:

Olfactory biosensors have evolved significantly, offering enhanced performance for agricultural monitoring.
Key components include the sensitive layer, signal conversion mechanism, and data processing.
Applications span from crop disease detection to food quality assessment.

Conclusions:

Olfactory biosensors are vital tools for advancing smart and green agriculture.
Further research is needed to overcome current challenges and optimize sensor performance.
Economic viability and future trends indicate a promising role in sustainable agriculture.