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Freire MS, Silva HJB, Albuquerque GM, Monte JP, Lima MTA, Silva JJ, Pereira GAL, Pereira G. Advances on chalcogenide quantum dots-based sensors for environmental pollutants monitoring. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 931:172848. [PMID: 38703843 DOI: 10.1016/j.scitotenv.2024.172848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/23/2024] [Accepted: 04/26/2024] [Indexed: 05/06/2024]
Abstract
Water contamination represents a significant ecological impact with global consequences, contributing to water scarcity worldwide. The presence of several pollutants, including heavy metals, pharmaceuticals, pesticides, and pathogens, in water resources underscores a pressing global concern, prompting the European Union (EU) to establish a Water Watch List to monitor the level of these substances. Nowadays, the standard methods used to detect and quantify these contaminants are mainly liquid or gas chromatography coupled with mass spectrometry (LC/GC-MS). While these methodologies offer precision and accuracy, they require expensive equipment and experienced technicians, and cannot be used on the field. In this context, chalcogenide quantum dots (QDs)-based sensors have emerged as promising, user-friendly, practical, and portable tools for environmental monitoring. QDs are semiconductor nanocrystals that possess excellent properties, and have demonstrated versatility across various sensor types, such as fluorescent, electrochemical, plasmonic, and colorimetric ones. This review summarizes recent advances (2019-2023) in the use of chalcogenide QDs for environmental sensing, highlighting the development of sensors capable of detect efficiently heavy metals, anions, pharmaceuticals, pesticides, endocrine disrupting compounds, organic dyes, toxic gases, nitroaromatics, and pathogens.
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Affiliation(s)
- Mércia S Freire
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil
| | - Hitalo J B Silva
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil
| | | | - Joalen P Monte
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil
| | - Max T A Lima
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil
| | - Jailson J Silva
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil
| | - Giovannia A L Pereira
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil.
| | - Goreti Pereira
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil; Departamento de Química & CESAM, Universidade de Aveiro, Aveiro, Portugal.
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Mirzaei A, Alizadeh M, Ansari HR, Moayedi M, Kordrostami Z, Safaeian H, Lee MH, Kim TU, Kim JY, Kim HW, Kim SS. Resistive gas sensors for the detection of NH 3gas based on 2D WS 2, WSe 2, MoS 2, and MoSe 2: a review. NANOTECHNOLOGY 2024; 35:332002. [PMID: 38744265 DOI: 10.1088/1361-6528/ad4b22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 05/14/2024] [Indexed: 05/16/2024]
Abstract
Transition metal dichalcogenides (TMDs) with a two-dimensional (2D) structure and semiconducting features are highly favorable for the production of NH3gas sensors. Among the TMD family, WS2, WSe2, MoS2, and MoSe2exhibit high conductivity and a high surface area, along with high availability, reasons for which they are favored in gas-sensing studies. In this review, we have discussed the structure, synthesis, and NH3sensing characteristics of pristine, decorated, doped, and composite-based WS2, WSe2, MoS2, and MoSe2gas sensors. Both experimental and theoretical studies are considered. Furthermore, both room temperature and higher temperature gas sensors are discussed. We also emphasized the gas-sensing mechanism. Thus, this review provides a reference for researchers working in the field of 2D TMD gas sensors.
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Affiliation(s)
- Ali Mirzaei
- Department of Materials Science and Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran
| | - Morteza Alizadeh
- Department of Materials Science and Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran
| | - Hamid Reza Ansari
- Department of Electrical Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran
| | - Mehdi Moayedi
- Department of Electrical Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran
| | - Zoheir Kordrostami
- Department of Electrical Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran
| | - Haniyeh Safaeian
- Department of Materials Science and Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran
| | - Myoung Hoon Lee
- Department of Materials Science and Engineering, Inha University, Incheon 22212, Republic of Korea
| | - Tae-Un Kim
- Department of Materials Science and Engineering, Inha University, Incheon 22212, Republic of Korea
| | - Jin-Young Kim
- Department of Materials Science and Engineering, Inha University, Incheon 22212, Republic of Korea
- The Research Institute of Industrial Science, Hanyang University, Seoul 04763, Republic of Korea
| | - Hyoun Woo Kim
- The Research Institute of Industrial Science, Hanyang University, Seoul 04763, Republic of Korea
- Division of Materials Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Sang Sub Kim
- Department of Materials Science and Engineering, Inha University, Incheon 22212, Republic of Korea
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Yuan Q, Li W, Xia Z, Hu J, He L, Jin L, Zhang L, Chu X, Zhang K. SnO 2QDs sensitized ZnFe 2O 4spheres with enhanced acetone sensing performance. NANOTECHNOLOGY 2024; 35:275502. [PMID: 38569479 DOI: 10.1088/1361-6528/ad39f3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 04/03/2024] [Indexed: 04/05/2024]
Abstract
Herein, SnO2QDs (<10 nm) with small size instead of conventional nanoparticles was employed to modify ZnFe2O4to synthesize porous and heterogeneous SnO2/ZnFe2O4(ZFSQ) composites for gas sensing. By an immersion process combined with calcination treatment, the resultant porous ZFSQ composites with different contents of SnO2QDs were obtained, and their sensing properties were investigated. Compared with bare ZnFe2O4and SnO2QDs, porous ZFSQ composites based-sensors showed much improved sensor response to acetone. For contrast, the sensor performance of ZFSQ composites was also compared with that of ZnFe2O4sphere modified by SnO2nanoparticles with different size. The porous ZFSQ composite with 5 wt% SnO2QDs (ZFSQ-5) showed a better acetone sensing response than that of other ZFSQ composites, and it exhibited a high response value of 110-100 ppm of acetone and a low detection limit of 0.3 ppm at 240 °C. In addition to the rich heterojunctions and porous structure, the size effect of SnO2QDs was other indispensable reasons for the improved sensor performance. Finally, the ZFSQ-5 composite sensor was attempted to be applied for acetone sensing in exhaled breath, suggesting its great potential in monitoring acetone.
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Affiliation(s)
- Qiming Yuan
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Weichao Li
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Zhangcheng Xia
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Jingjie Hu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Lifang He
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Ling Jin
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Liqiang Zhang
- School of Metallurgy, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Xiangfeng Chu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Kui Zhang
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
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De Iacovo A, Mitri F, De Santis S, Giansante C, Colace L. Colloidal Quantum Dots for Explosive Detection: Trends and Perspectives. ACS Sens 2024; 9:555-576. [PMID: 38305121 DOI: 10.1021/acssensors.3c02097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Sensitive, accurate, and reliable detection of explosives has become one of the major needs for international security and environmental protection. Colloidal quantum dots, because of their unique chemical, optical, and electrical properties, as well as easy synthesis route and functionalization, have demonstrated high potential to meet the requirements for the development of suitable sensors, boosting the research in the field of explosive detection. Here, we critically review the most relevant research works, highlighting three different mechanisms for explosive detection based on colloidal quantum dots, namely photoluminescence, electrochemical, and chemoresistive sensing. We provide a comprehensive overview and an extensive discussion and comparison in terms of the most relevant sensor parameters. We highlight advantages, limitations, and challenges of quantum dot-based explosive sensors and outline future research directions for the advancement of knowledge in this surging research field.
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Affiliation(s)
- Andrea De Iacovo
- Department of Industrial, Electronic and Mechanical Engineering, Roma Tre University, Via Vito Volterra 62, Rome I-00146, Italy
| | - Federica Mitri
- Department of Industrial, Electronic and Mechanical Engineering, Roma Tre University, Via Vito Volterra 62, Rome I-00146, Italy
| | - Serena De Santis
- Department of Industrial, Electronic and Mechanical Engineering, Roma Tre University, Via Vito Volterra 62, Rome I-00146, Italy
| | - Carlo Giansante
- Consiglio Nazionale delle Ricerche, Istituto di Nanotecnologia CNR-NANOTEC, Via Monteroni, Lecce I-73100, Italy
| | - Lorenzo Colace
- Department of Industrial, Electronic and Mechanical Engineering, Roma Tre University, Via Vito Volterra 62, Rome I-00146, Italy
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Zhumadilov RY, Yerlanuly Y, Parkhomenko HP, Soltabayev B, Orazbayev SA, Bakenov Z, Ramazanov TS, Gabdullin MT, Jumabekov AN. Carbon nanowall-based gas sensors for carbon dioxide gas detection. NANOTECHNOLOGY 2024; 35:165501. [PMID: 38171320 DOI: 10.1088/1361-6528/ad1a7e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/03/2024] [Indexed: 01/05/2024]
Abstract
Carbon nanowalls (CNWs) have attracted significant attention for gas sensing applications due to their exceptional material properties such as large specific surface area, electric conductivity, nano- and/or micro-porous structure, and high charge carrier mobility. In this work, CNW films were synthesized and used to fabricate gas sensors for carbon dioxide (CO2) gas sensing. The CNW films were synthesized using an inductively-coupled plasma (ICP) plasma-enhanced chemical vapor deposition (PECVD) method and their structural and morphological properties were characterized using Raman spectroscopy and electron microscopy. The obtained CNW films were used to fabricate gas sensors employing interdigitated gold (Au) microelectrodes. The gas sensors were fabricated using both direct synthesis of CNW films on interdigitated Au microelectrodes on quartz and also transferring presynthesized CNW films onto interdigitated Au microelectrodes on glass. The CO2gas-sensing properties of fabricated devices were investigated for different concentrations of CO2gas and temperature-ranges. The sensitivities of fabricated devices were found to have a linear dependence on the concentration of CO2gas and increase with temperature. It was revealed that devices, in which CNW films have a maze-like structure, perform better compared to the ones that have a petal-like structure. A sensitivity value of 1.18% was obtained at 500 ppm CO2concentration and 100 °C device temperature. The CNW-based gas sensors have the potential for the development of easy-to-manufacture and efficient gas sensors for toxic gas monitoring.
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Affiliation(s)
- Rakhymzhan Ye Zhumadilov
- Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
- Department of Physics, School of Sciences and Humanities, Nazarbayev University, Astana, 010000, Kazakhstan
- Institute of Applied Science and Information Technologies, Almaty, 050038, Kazakhstan
| | - Yerassyl Yerlanuly
- Department of Physics, School of Sciences and Humanities, Nazarbayev University, Astana, 010000, Kazakhstan
- Institute of Applied Science and Information Technologies, Almaty, 050038, Kazakhstan
- Kazakh-British Technical University, Almaty, 050000, Kazakhstan
| | - Hryhorii P Parkhomenko
- Department of Physics, School of Sciences and Humanities, Nazarbayev University, Astana, 010000, Kazakhstan
| | - Baktiyar Soltabayev
- National Laboratory Astana, Astana, 010000, Kazakhstan
- Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Astana, 010000, Kazakhstan
| | - Sagi A Orazbayev
- Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
- Institute of Applied Science and Information Technologies, Almaty, 050038, Kazakhstan
| | - Zhumabay Bakenov
- National Laboratory Astana, Astana, 010000, Kazakhstan
- Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Astana, 010000, Kazakhstan
| | - Tlekkabul S Ramazanov
- Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
- Institute of Applied Science and Information Technologies, Almaty, 050038, Kazakhstan
| | - Maratbek T Gabdullin
- Institute of Applied Science and Information Technologies, Almaty, 050038, Kazakhstan
- Kazakh-British Technical University, Almaty, 050000, Kazakhstan
| | - Askhat N Jumabekov
- Department of Physics, School of Sciences and Humanities, Nazarbayev University, Astana, 010000, Kazakhstan
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Balakrishnan T, Sagadevan S, Le MV, Soga T, Oh WC. Recent Progress on Functionalized Graphene Quantum Dots and Their Nanocomposites for Enhanced Gas Sensing Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 14:11. [PMID: 38202466 PMCID: PMC10780593 DOI: 10.3390/nano14010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/15/2023] [Accepted: 12/16/2023] [Indexed: 01/12/2024]
Abstract
Gas-sensing technology has witnessed significant advancements that have been driven by the emergence of graphene quantum dots (GQDs) and their tailored nanocomposites. This comprehensive review surveys the recent progress made in the construction methods and applications of functionalized GQDs and GQD-based nanocomposites for gas sensing. The gas-sensing mechanisms, based on the Fermi-level control and charge carrier depletion layer theory, are briefly explained through the formation of heterojunctions and the adsorption/desorption principle. Furthermore, this review explores the enhancements achieved through the incorporation of GQDs into nanocomposites with diverse matrices, including polymers, metal oxides, and 2D materials. We also provide an overview of the key progress in various hazardous gas sensing applications using functionalized GQDs and GQD-based nanocomposites, focusing on key detection parameters such as sensitivity, selectivity, stability, response and recovery time, repeatability, and limit of detection (LOD). According to the most recent data, the normally reported values for the LOD of various toxic gases using GQD-based sensors are in the range of 1-10 ppm. Remarkably, some GQD-based sensors exhibit extremely low detection limits, such as N-GQDs/SnO2 (0.01 ppb for formaldehyde) and GQD@SnO2 (0.10 ppb for NO2). This review provides an up-to-date perspective on the evolving landscape of functionalized GQDs and their nanocomposites as pivotal components in the development of advanced gas sensors.
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Affiliation(s)
- Thivyah Balakrishnan
- Department of Chemical and Process Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Suresh Sagadevan
- Nanotechnology & Catalysis Research Centre, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Minh-Vien Le
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Vietnam
- Faculty of Chemical Engineering, Vietnam National University Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
| | - Tetsuo Soga
- Department of Electrical and Mechanical Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan
| | - Won-Chun Oh
- Department of Advanced Materials Science and Engineering, Hanseo University, Seosan 356-706, Republic of Korea
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Kamarchuk G, Pospelov A, Kamarchuk L, Belan V, Herus A, Savytskyi A, Vakula V, Harbuz D, Gudimenko V, Faulques E. Quantum mechanisms for selective detection in complex gas mixtures using conductive sensors. Sci Rep 2023; 13:21432. [PMID: 38052839 DOI: 10.1038/s41598-023-48207-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 11/23/2023] [Indexed: 12/07/2023] Open
Abstract
In this paper, we consider new quantum mechanisms for selective detection in complex gaseous media which provide the highest possible efficiency of quantum sensors and for the first time analyze their nature. On the basis of these quantum mechanisms, the concepts of quantum detection and innovative methods of analysis are developed, which are virtually impossible to implement in the conventional conductive sensors and nanosensors. Examples of original solutions to problems in the field of detection and analysis of human breath using point-contact sensors are considered. A new method of analysis based on detection of metastable quantum states of the "point-contact sensor-breath" system in dynamic mode is proposed. The conductance histogram of dendritic Yanson point contacts recorded for this system is a unique energy signature of breath which allows differentiation between the states of human body. We demonstrate that nanosized Yanson point contacts, which, thanks to their quantum properties, can replace a massive spectrometer, open up wide opportunities for solving complex problems in the field of breath analysis using a new generation of portable high-tech quantum sensor devices.
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Affiliation(s)
- G Kamarchuk
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine.
| | - A Pospelov
- National Technical University "Kharkiv Polytechnic Institute", 2 Kyrpychov Str., Kharkiv, 61002, Ukraine
| | - L Kamarchuk
- SI "Institute for Children and Adolescents Health Care" of NAMS of Ukraine, 52-A Yuvileinyi Ave., Kharkiv, 61153, Ukraine
| | - V Belan
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - A Herus
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - A Savytskyi
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - V Vakula
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - D Harbuz
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - V Gudimenko
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - E Faulques
- Institut Des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS, F-44000, Nantes, France
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Savytskyi A, Pospelov A, Herus A, Vakula V, Kalashnyk N, Faulques E, Kamarchuk G. Portable Device for Multipurpose Research on Dendritic Yanson Point Contacts and Quantum Sensing. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:996. [PMID: 36985890 PMCID: PMC10056579 DOI: 10.3390/nano13060996] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/05/2023] [Accepted: 03/07/2023] [Indexed: 06/18/2023]
Abstract
Quantum structures are ideal objects by which to discover and study new sensor mechanisms and implement advanced approaches in sensor analysis to develop innovative sensor devices. Among them, one of the most interesting representatives is the Yanson point contact. It allows the implementation of a simple technological chain to activate the quantum mechanisms of selective detection in gaseous and liquid media. In this work, a portable device for multipurpose research on dendritic Yanson point contacts and quantum sensing was developed and manufactured. The device allows one to create dendritic Yanson point contacts and study their quantum properties, which are clearly manifested in the process of the electrochemical cyclic switchover effect. The device tests demonstrated that it was possible to gather data on the compositions and characteristics of the synthesized substances, and on the electrochemical processes that influence the production of dendritic Yanson point contacts, as well as on the electrophysical processes that provide information on the quantum nature of the electrical conductance of dendritic Yanson point contacts. The small size of the device makes it simple to integrate into a micro-Raman spectrometer setup. The developed device may be used as a prototype for designing a quantum sensor that will serve as the foundation for cutting-edge sensor technologies, as well as be applied to research into atomic-scale junctions, single-atom transistors, and any relative subjects.
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Affiliation(s)
- Andriy Savytskyi
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., 61103 Kharkiv, Ukraine
| | - Alexander Pospelov
- National Technical University “Kharkiv Polytechnic Institute”, 2 Kyrpychov Str., 61002 Kharkiv, Ukraine
| | - Anna Herus
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., 61103 Kharkiv, Ukraine
| | - Volodymyr Vakula
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., 61103 Kharkiv, Ukraine
| | - Nataliya Kalashnyk
- Université de Lille, CNRS, Université Polytechnique Hauts-de-France, UMR 8520-IEMN, F-59000 Lille, France
| | - Eric Faulques
- Institut des Matériaux de Nantes Jean Rouxel, Nantes Université, CNRS, IMN, F-44000 Nantes, France
| | - Gennadii Kamarchuk
- B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., 61103 Kharkiv, Ukraine
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Choi D, Lee SJ, Baek D, Kim SO, Shin J, Choi Y, Cho Y, Bang S, Park JY, Lee SH, Park TH, Hong S. Bioelectrical Nose Platform Using Odorant-Binding Protein as a Molecular Transporter Mimicking Human Mucosa for Direct Gas Sensing. ACS Sens 2022; 7:3399-3408. [PMID: 36350699 DOI: 10.1021/acssensors.2c01507] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Recently, various bioelectronic nose devices based on human receptors were developed for mimicking a human olfactory system. However, such bioelectronic nose devices could operate in an aqueous solution, and it was often very difficult to detect insoluble gas odorants. Here, we report a portable bioelectronic nose platform utilizing a receptor protein-based bioelectronic nose device as a sensor and odorant-binding protein (OBP) as a transporter for insoluble gas molecules in a solution, mimicking the functionality of human mucosa. Our bioelectronic nose platform based on I7 receptor exhibited dose-dependent responses to octanal gas in real time. Furthermore, the bioelectronic platforms with OBP exhibited the sensor sensitivity improved by ∼100% compared with those without OBP. We also demonstrated the detection of odorant gas from real orange juice and found that the electrical responses of the devices with OBP were much larger than those without OBP. Since our bioelectronic nose platform allows us to directly detect gas-phase odorant molecules including a rather insoluble species, it could be a powerful tool for versatile applications and basic research based on a bioelectronic nose.
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Affiliation(s)
- Danmin Choi
- Department of Physics and Astronomy, Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
| | - Se June Lee
- Department of Bionano Engineering, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan 15588, Korea
| | - Dahee Baek
- Department of Bionano Engineering, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan 15588, Korea
| | - So-Ong Kim
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Korea
| | - Junghyun Shin
- Department of Physics and Astronomy, Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
| | - Yoonji Choi
- Department of Physics and Astronomy, Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
| | - Youngtak Cho
- Department of Physics and Astronomy, Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
| | - Sunwoo Bang
- Department of Physics and Astronomy, Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
| | - Jae Yeol Park
- Department of Electric Vehicle, Doowon University of Technology, Paju 10838, Korea
| | - Seung Hwan Lee
- Department of Bionano Engineering, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan 15588, Korea
| | - Tai Hyun Park
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Korea
| | - Seunghun Hong
- Department of Physics and Astronomy, Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
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