Emerging trends in metal oxide-based electronic noses for healthcare applications: a review

Abideen, Zain Ul; Arifeen, Waqas Ul; Bandara, Y. M. Nuwan D. Y.

doi:10.1039/d4nr00073k

Nanoscale

2024

DOI: 10.1039/d4nr00073k

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Emerging trends in metal oxide-based electronic noses for healthcare applications: a review

Zain Ul Abideen,

Waqas Ul Arifeen,

Y. M. Nuwan D. Y. Bandara

Abstract: This review explores recent progress in metal oxide semiconductor-based electronic noses, focusing on fabrication methods, data analysis techniques, disease detection potential, healthcare applications, challenges, and prospects.

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Cited by 7 publications

References 195 publications

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Synthesis of rGO-CuO/ZnO nanocomposites for humidity tolerant room temperature NO2 gas sensor

Yadav,

Shukla,

Varma

2024

Appl. Phys. A

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Synthesis of rGO-CuO/ZnO nanocomposites for humidity tolerant room temperature NO2 gas sensor

Yadav,

Shukla,

Varma

2024

Appl. Phys. A

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Overcoming the Limits of Cross-Sensitivity: Pattern Recognition Methods for Chemiresistive Gas Sensor Array

Mei,

Peng,

Wang

et al. 2024

Nano-Micro Lett.

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As information acquisition terminals for artificial olfaction, chemiresistive gas sensors are often troubled by their cross-sensitivity, and reducing their cross-response to ambient gases has always been a difficult and important point in the gas sensing area. Pattern recognition based on sensor array is the most conspicuous way to overcome the cross-sensitivity of gas sensors. It is crucial to choose an appropriate pattern recognition method for enhancing data analysis, reducing errors and improving system reliability, obtaining better classification or gas concentration prediction results. In this review, we analyze the sensing mechanism of cross-sensitivity for chemiresistive gas sensors. We further examine the types, working principles, characteristics, and applicable gas detection range of pattern recognition algorithms utilized in gas-sensing arrays. Additionally, we report, summarize, and evaluate the outstanding and novel advancements in pattern recognition methods for gas identification. At the same time, this work showcases the recent advancements in utilizing these methods for gas identification, particularly within three crucial domains: ensuring food safety, monitoring the environment, and aiding in medical diagnosis. In conclusion, this study anticipates future research prospects by considering the existing landscape and challenges. It is hoped that this work will make a positive contribution towards mitigating cross-sensitivity in gas-sensitive devices and offer valuable insights for algorithm selection in gas recognition applications.

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A breathable, waterproof and battery-free wearable e-nose with high flexibility based on MEMS gas sensors for accurate identification of volatile aromatic hydrocarbons

Yang,

Liu,

Chen

et al. 2025

Applied Materials Today

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Emerging trends in metal oxide-based electronic noses for healthcare applications: a review

Abstract: This review explores recent progress in metal oxide semiconductor-based electronic noses, focusing on fabrication methods, data analysis techniques, disease detection potential, healthcare applications, challenges, and prospects.

Cited by 7 publications

References 195 publications

Synthesis of rGO-CuO/ZnO nanocomposites for humidity tolerant room temperature NO2 gas sensor

Synthesis of rGO-CuO/ZnO nanocomposites for humidity tolerant room temperature NO2 gas sensor

Overcoming the Limits of Cross-Sensitivity: Pattern Recognition Methods for Chemiresistive Gas Sensor Array

A breathable, waterproof and battery-free wearable e-nose with high flexibility based on MEMS gas sensors for accurate identification of volatile aromatic hydrocarbons

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