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Applications and Advances in Bioelectronic Noses for Odour Sensing
Tran Thi Dung1,2, Yunkwang Oh3,4, Seon-Jin Choi5,6
1Hazards Monitoring Bionano Research Center (HMBRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-Ro, Yuseong-Gu, Daejeon 34141, Korea. dungtran6386@gmail.com.
Bioelectronic noses mimic mammalian olfaction to detect volatile organic compounds (VOCs). This review covers advances in bio-inspired electronic nose technology, focusing on biological recognition elements and sensing systems.
Area of Science:
- Biotechnology
- Sensor Technology
- Biomimicry
Background:
- Mammalian olfaction provides a sensitive and specific method for detecting volatile organic compounds (VOCs) at low concentrations.
- Bioelectronic noses are intelligent chemical sensor array systems that mimic biological olfaction.
- Recent advancements integrate nanoelectronic technology with olfactory receptors (ORs) for enhanced biosensing capabilities.
Purpose of the Study:
- To present the latest advances in bioelectronic nose technology.
- To discuss biological recognition elements, detection systems, and immobilization techniques.
- To explore the applications, research trends, and future challenges in bioelectronic noses.
Main Methods:
- Review of current literature on bioelectronic nose technology.
- Analysis of biological recognition elements and their integration with sensor systems.
- Discussion of nanoelectronic integration and immobilization strategies for sensing elements.
Main Results:
- Bioelectronic noses effectively mimic mammalian olfaction for detecting VOCs.
- Integration of olfactory receptors with nanoelectronic systems enhances biosensing.
- Diverse applications of bioelectronic noses in complex environments are emerging.
Conclusions:
- Bioelectronic nose technology represents a significant advancement in chemical sensing.
- Continued research in recognition elements and detection systems will drive future innovation.
- Addressing current challenges is crucial for the widespread adoption of bioelectronic noses.
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Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
Extraction: Advanced Methods