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Liu X, Han J, Qiao X, Cai H, Zhao Y, Zhang Z, Zhai B, Ni T, Zhao C, Zhu Y. Bimetallic Au and Pd Nanoparticles Modified WO 3 Nanosheets for Enhancing the Sensitivity and Selectivity of Formaldehyde Assessment in Aquatic Products. ACS APPLIED MATERIALS & INTERFACES 2024; 16:22155-22165. [PMID: 38634550 DOI: 10.1021/acsami.4c02211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Formaldehyde, a common illegal additive in aquatic products, poses a threat to people's health and lives. In this study, a novel metal oxide semiconductor gas sensor based on AuPd-modified WO3 nanosheets (NSs) had been developed for the highly efficient detection of formaldehyde. WO3 NS modified with 2.0% AuPd nanoparticles showed a higher response (Ra/Rg = 94.2) to 50 ppm of formaldehyde at 210 °C, which was 36 times more than the pristine WO3 NS. In addition, the AuPd/WO3 gas sensor had a relatively short response/recovery time of 10 s/9 s for 50 ppm of formaldehyde at 210 °C, with good immunity to other interfering gases and good stability for formaldehyde. The excellent gas-sensitive performance was attributed to the chemical sensitization of Au, the electronic sensitization of Pd, and the synergistic effect of bimetallic AuPd, which facilitated the recognition and response of formaldehyde molecules. Additionally, the high sensitivity and broad application prospect of the 2.0% AuPd/WO3 NS composite-based sensor in real sample detection were also confirmed by using the above sensor for the detection of formaldehyde in aquatic products such as squid and shrimp.
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Affiliation(s)
- Xun Liu
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), International Research Center for Food and Health, Shanghai Ocean University, Shanghai 201306, China
| | - Jingting Han
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), International Research Center for Food and Health, Shanghai Ocean University, Shanghai 201306, China
| | - Xiaopeng Qiao
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), International Research Center for Food and Health, Shanghai Ocean University, Shanghai 201306, China
| | - Haijie Cai
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), International Research Center for Food and Health, Shanghai Ocean University, Shanghai 201306, China
- School of Basic Medicine, Xinxiang Medical University, Xinxiang 453003, China
| | - Yong Zhao
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), International Research Center for Food and Health, Shanghai Ocean University, Shanghai 201306, China
| | - Zhaohuan Zhang
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), International Research Center for Food and Health, Shanghai Ocean University, Shanghai 201306, China
| | - Baiqiang Zhai
- Henan Railway Food Safety Management Engineering Technology Research Center, Zhengzhou Railway Vocational & Technical College, Zhengzhou 451460, China
| | - Tianjun Ni
- School of Basic Medicine, Xinxiang Medical University, Xinxiang 453003, China
| | - Cheng Zhao
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), International Research Center for Food and Health, Shanghai Ocean University, Shanghai 201306, China
- Henan Railway Food Safety Management Engineering Technology Research Center, Zhengzhou Railway Vocational & Technical College, Zhengzhou 451460, China
| | - Yongheng Zhu
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), International Research Center for Food and Health, Shanghai Ocean University, Shanghai 201306, China
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Li X, Wu Z, Song X, Li D, Liu J, Zhang J. WO 3 Nanoplates Decorated with Au and SnO 2 Nanoparticles for Real-Time Detection of Foodborne Pathogens. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:719. [PMID: 38668213 PMCID: PMC11054436 DOI: 10.3390/nano14080719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/09/2024] [Accepted: 04/15/2024] [Indexed: 04/29/2024]
Abstract
Nowadays, metal oxide semiconductor gas sensors have diverse applications ranging from human health to smart agriculture with the development of Internet of Things (IoT) technologies. However, high operating temperatures and an unsatisfactory detection capability (high sensitivity, fast response/recovery speed, etc.) hinder their integration into the IoT. Herein, a ternary heterostructure was prepared by decorating WO3 nanoplates with Au and SnO2 nanoparticles through a facial photochemical deposition method. This was employed as a sensing material for 3-hydroxy-2-butanone (3H-2B), a biomarker of Listeria monocytogenes. These Au/SnO2-WO3 nanoplate-based sensors exhibited an excellent response (Ra/Rg = 662) to 25 ppm 3H-2B, which was 24 times higher than that of pure WO3 nanoplates at 140 °C. Moreover, the 3H-2B sensor showed an ultrafast response and recovery speed to 25 ppm 3H-2B as well as high selectivity. These excellent sensing performances could be attributed to the rich Au/SnO2-WO3 active interfaces and the excellent transport of carriers in nanoplates. Furthermore, a wireless portable gas sensor equipped with the Au/SnO2-WO3 nanoplates was assembled, which was tested using 3H-2B with known concentrations to study the possibilities of real-time gas monitoring in food quality and safety.
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Affiliation(s)
- Xueyan Li
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
| | - Zeyi Wu
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
| | - Xiangyu Song
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
| | - Denghua Li
- Key Laboratory of Agricultural Information Service Technology of Ministry of Agriculture, Agricultural Information Institute of Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jiajia Liu
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
| | - Jiatao Zhang
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
- School of Chemistry and Chemical Engineering, MIIT Key Laboratory of Medical Molecule Science and Pharmaceutical Engineering, Beijing Institute of Technology, Beijing 100081, China
- MOE Key Laboratory of Cluster Science, Beijing Institute of Technology, Beijing 100081, China
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Ke Z, Hang W, Yunsheng L, Wenrui Z, PengDang Z, Ruiyu Z. Ultrahigh-acetone-sensitivity sensor based on Pt-loaded TiO 2porous nanoparticles synthesized via a facile hydrothermal method. NANOTECHNOLOGY 2023; 35:045502. [PMID: 37871595 DOI: 10.1088/1361-6528/ad0603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/22/2023] [Indexed: 10/25/2023]
Abstract
A simple hydrothermal method based on an orthogonal experimental design was used to synthesis Pt-loaded TiO2mesoporous nanoparticles in one step. The successful synthesis of Pt-loaded TiO2nanoparticles was demonstrated by various characterization methods. The effects of the modification of Pt and its explanation are described in detail by means of the test results. Through systematic gas-sensing tests, we found that the Pt-loaded TiO2nanoparticles outperform pure TiO2nanoparticles, with a high response value (S= 42.5) to 200 ppm acetone at 260 °C and with a film thickness of 0.45 mm, far superior to that of pure TiO2. The response time (8 s) and recovery time (11 s) of the material are also relatively good with excellent selectivity and long-term stability (30 days). The frequent use of acetone as an organic solution in factories and laboratories, as well as the possibility of making a preliminary diagnosis of diabetes by detecting acetone levels in exhaled gas, make this work promising for environmental monitoring and medical diagnosis.
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Affiliation(s)
- Zhang Ke
- School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418, Shanghai, People's Republic of China
| | - Wei Hang
- School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418, Shanghai, People's Republic of China
| | - Li Yunsheng
- School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418, Shanghai, People's Republic of China
| | - Zhang Wenrui
- School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418, Shanghai, People's Republic of China
| | - Zhu PengDang
- School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418, Shanghai, People's Republic of China
| | - Zhang Ruiyu
- School of Cyber Science and Engineering, Wuhan University, Wuhan 430072, Wuhan, People's Republic of China
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Li P, Feng B, Feng Y, Song G, Cheng X, Deng Y, Wei J. Synthesis of Mesoporous Lanthanum-Doped SnO 2 Spheres for Sensitive and Selective Detection of the Glutaraldehyde Disinfectant. ACS Sens 2023; 8:3723-3732. [PMID: 37610721 DOI: 10.1021/acssensors.3c00953] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Glutaraldehyde disinfectant has been widely applied in aquaculture, farming, and medical treatment. Excessive concentrations of glutaraldehyde in the environment can lead to serious health hazards. Therefore, it is extremely important to develop high-performance glutaraldehyde sensors with low cost, high sensitivity, rapid response, fabulous selectivity, and low limit of detection. Herein, mesoporous lanthanum (La) doped SnO2 spheres with high specific surface area (52-59 m2 g-1), uniform mesopores (with a pore size concentrated at 5.7 nm), and highly crystalline frameworks are designed to fabricate highly sensitive gas sensors toward gaseous glutaraldehyde. The mesoporous lanthanum-doped SnO2 spheres exhibit excellent glutaraldehyde-sensing performance, including high response (13.5@10 ppm), rapid response time (28 s), and extremely low detection limit of 0.16 ppm. The excellent sensing performance is ascribed to the high specific surface area, high contents of chemisorbed oxygen species, and lanthanum doping. DFT calculations suggest that lanthanum doping in the SnO2 lattice can effectively improve the adsorption energy toward glutaraldehyde compared to pure SnO2 materials. Moreover, the fabricated gas sensors can effectively detect commercial glutaraldehyde disinfectants, indicating a potential application in aquaculture, farming, and medical treatment.
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Affiliation(s)
- Ping Li
- Institute of Analytical Chemistry and Instrument for Life Science, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P.R. China
| | - Bingxi Feng
- Institute of Analytical Chemistry and Instrument for Life Science, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P.R. China
| | - Youyou Feng
- Institute of Analytical Chemistry and Instrument for Life Science, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P.R. China
| | - Guoxin Song
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, iChEM, Fudan University, Shanghai 200433, P.R. China
| | - Xiaoli Cheng
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P.R. China
| | - Yonghui Deng
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, iChEM, Fudan University, Shanghai 200433, P.R. China
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, P.R. China
| | - Jing Wei
- Institute of Analytical Chemistry and Instrument for Life Science, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P.R. China
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Xie S, Zhao C, Shen J, Wei J, Liu H, Pan Y, Zhao Y, Zhu Y. Hierarchical Flower-like WO 3 Nanospheres Decorated with Bimetallic Au and Pd for Highly Sensitive and Selective Detection of 3-Hydroxy-2-butanone Biomarker. ACS Sens 2023; 8:728-738. [PMID: 36696471 DOI: 10.1021/acssensors.2c02257] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Listeria monocytogenes, which is abundant in environment, can lead to many kinds of serious illnesses and even death. Nowadays, indirectly detecting the metabolite biomarker of L. monocytogenes, 3-hydroxy-2-butanone, has been verified to be an effective way to evaluate the contamination of L. monocytogenes. However, this detection approach is still limited by sensitivity, selectivity, and ppb-level detection limit. Herein, low-cost and highly sensitive and selective 3-hydroxy-2-butanone sensors have been proposed based on the bimetallic AuPd decorated hierarchical flower-like WO3 nanospheres. Notably, the 1.0 wt % AuPd-WO3 based sensors displayed the highest sensitivity (Ra/Rg = 84 @ 1 ppm) at 250 °C. In addition, the sensors showed outstanding selectivity, rapid response/recovery (8/4 s @ 10 ppm), and low detection limit (100 ppb). Furthermore, the evaluation of L. monocytogenes with high sensitivity and specificity has been achieved using 1.0 wt % AuPd-WO3 based sensors. Such a marvelous sensing performance benefits from the synergistic effect of bimetallic AuPd nanoparticles, which lead to thicker electron depletion layer and increased adsorbed oxygen species. Meanwhile, the unique hierarchical nanostructure of the flower-like WO3 nanospheres benefits the gas-sensing performance. The AuPd-WO3 nanosphere-based sensors exhibit a particular and highly selective method to detect 3-hydroxy-2-butanone, foreseeing a feasible route for the rapid and nondestructive evaluation of foodborne pathogens.
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Affiliation(s)
- Siqi Xie
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation Shanghai Ocean University, Shanghai 201306, China
| | - Cheng Zhao
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation Shanghai Ocean University, Shanghai 201306, China
| | - Jiabin Shen
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation Shanghai Ocean University, Shanghai 201306, China
| | - Jing Wei
- Institute of Analytical Chemistry and Instrument for Life Science, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Haiquan Liu
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation Shanghai Ocean University, Shanghai 201306, China
| | - Yingjie Pan
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation Shanghai Ocean University, Shanghai 201306, China
| | - Yong Zhao
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation Shanghai Ocean University, Shanghai 201306, China
| | - Yongheng Zhu
- College of Food Science and Technology, Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation Shanghai Ocean University, Shanghai 201306, China
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Shao S, Zhang L, Zhang J, Ma B, Kim HW, Kim SS. Three-Dimensional van der Waals Heterostructure-Based Nanocages as Supersensitive 3-Hydroxy-2-butanone Gas Sensors at Room Temperature. ACS Sens 2023; 8:228-242. [PMID: 36630305 DOI: 10.1021/acssensors.2c02089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
3-Hydroxy-2-butanone is one of the biomarkers of Listeria monocytogenes, which is quite important for the intelligent detection of 3H-2B. However, it is still a challenge to fabricate sensing materials obtaining excellent sensitivity and selectivity under the ppb-level detection limit. Herein, a plasma-assisted synthetic approach was proposed for the construction of hierarchical nanostructures and the simultaneous loading of TAPP-COFs, which could reduce interlayer interaction and convert the metallized sites on the surface of predesigned porphyrin rings into quantum nanoparticles. These multichannel pathways of Co-TAPP-COFs@SnO2@MWCNTs nanocages contributed to the gas adsorption and diffusion, thus enhancing the sensing behavior. The nanocages exhibited a highly specific sensing performance toward 3H-2B with the highest sensitivity (Ra/Rg = 100.9 to 0.5 ppm) in all reported sensing materials. The 3H-2B sensor presented outstanding long-term stability, and the detection limit was 100 ppb at room temperature. Furthermore, the synthesized materials were integrated into the sensing module connecting to an Internet of Things platform, providing rapid and real-time detection of 3H-2B. We also applied machine learning methods to analyze the nanocage-based sensors and found that the combined effects of modified sites on the heterointerfaces contributed to the improvement of the sensing performance.
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Affiliation(s)
- Shaofeng Shao
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science & Technology, Nanjing, Jiangsu 210044, China
| | - Lei Zhang
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science & Technology, Nanjing, Jiangsu 210044, China
| | - Jun Zhang
- College of Physics, Centre for Marine Observation and Communications, Qingdao University, Qingdao, Shandong 266071, China
| | - Bo Ma
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Hyoun Woo Kim
- 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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Enhanced Response for Foodborne Pathogens Detection by Au Nanoparticles Decorated ZnO Nanosheets Gas Sensor. BIOSENSORS 2022; 12:bios12100803. [PMID: 36290940 PMCID: PMC9599186 DOI: 10.3390/bios12100803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 12/01/2022]
Abstract
Listeria monocytogenes is a hazardous foodborne pathogen that is able to cause acute meningitis, encephalitis, and sepsis to humans. The efficient detection of 3-hydroxy-2-butanone, which has been verified as a biomarker for the exhalation of Listeria monocytogenes, can feasibly evaluate whether the bacteria are contained in food. Herein, we developed an outstanding 3-hydroxy-2-butanone gas sensor based on the microelectromechanical systems using Au/ZnO NS as a sensing material. In this work, ZnO nanosheets were synthesized by a hydrothermal reaction, and Au nanoparticles (~5.5 nm) were prepared via an oleylamine reduction method. Then, an ultrasonic treatment was carried out to modified Au nanoparticles onto ZnO nanosheets. The XRD, BET, TEM, and XPS were used to characterize their morphology, microstructure, catalytic structure, specific surface area, and chemical composition. The response of the 1.0% Au/ZnO NS sensors vs. 25 ppm 3-hydroxy-2-butanone was up to 174.04 at 230 °C. Moreover, these sensors presented fast response/recovery time (6 s/7 s), great selectivity, and an outstanding limit of detection (lower than 0.5 ppm). This work is full of promise for developing a nondestructive, rapid and practical sensor, which would improve Listeria monocytogenes evaluation in foods.
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Ramos Gonzalez DM, Kumar Y, Ramos Ramón JA, Bogyreddy N, Olive-Méndez SF, Karthik T, Becerra D, Pérez-Tijerina E, Agarwal V. CO2 sensing performance enhanced by Pt-catalyzed SnO2/porous-silicon hybrid structures. SENSORS INTERNATIONAL 2022. [DOI: 10.1016/j.sintl.2022.100165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Wang C, Du L, Xing X, Feng D, Tian Y, Li Z, Zhao X, Yang D. Radial ZnO nanorods decorating Co 3O 4 nanoparticles for highly selective and sensitive detection of the 3-hydroxy-2-butanone biomarker. NANOSCALE 2022; 14:482-491. [PMID: 34908094 DOI: 10.1039/d1nr06729j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Indirect monitoring of Listeria monocytogenes (LM) via a gas sensor that can detect the bacterial metabolite 3-hydroxy-2-butanone (3H-2B) is a newly emerged strategy. However, such sensors are required simultaneously endow with outstanding selectivity, high sensitivity, and ppb-level detection limit, which remains technologically challenging. Herein, we have developed highly selective and sensitive 3H-2B sensors that consist of zinc oxide nanorods decorated with cobaltosic oxide nanoparticles (ZnO NRs/Co3O4 NPs), which have been synthesized by combined optimized hydrothermal and annealing process. Specifically, the ZnO NRs/Co3O4 NPs exhibit ultrahigh sensitivity to 5 ppm 3H-2B (Ra/Rg = 550 at 260 °C). The sensor prototypes enable detection as low as 10 ppb 3H-2B, show excellent long-term stability, and present remarkable selectivity through interfering selectivity survey and principal component analysis (PCA). Such outstanding sensing performance is attributed to the modulated electron depletion layer by n-p heterojunctions and abundant gas diffusion pathways via the radial architecture, which was verified via electrochemical impedance spectroscopy test, Mott-Schottky measurement, and ultraviolet-visible absorption analysis. Our highly selective and sensitive ZnO NRs/Co3O4 NPs have the potential in the real-time detection of 3H-2B biomarker.
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Affiliation(s)
- Chen Wang
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Lingling Du
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Xiaxia Xing
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Dongliang Feng
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Yingying Tian
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Zhenxu Li
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Xinhua Zhao
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Dachi Yang
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
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10
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K K S, George A, Kumar YR, K. K. T, Mandal G, Chanda A, Vasundhara M. Structural, optical and magnetic properties of pure and 3d metal dopant-incorporated SnO 2 nanoparticles. RSC Adv 2022; 12:26712-26726. [PMID: 36275157 PMCID: PMC9487887 DOI: 10.1039/d2ra03691f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/28/2022] [Indexed: 11/24/2022] Open
Abstract
Dilute magnetic oxide semiconductors doped with transition metals have attracted significant attention both theoretically and experimentally due to their interesting and debatable magnetic behavior. In this work, we investigated the influence of Fe, Co and Ni doping on the structural, optical and magnetic properties of SnO2 nanoparticles, which were produced via a simple sol–gel technique. Raman spectroscopy, XRD, XPS, TEM, FT-IR characterizations were performed to study the crystal structure and morphology of the pure and doped nanoparticles, which confirmed the tetragonal rutile structure of the SnO2 nanoparticles. The XPS analysis revealed the incorporation of divalent dopant ions in the host matrix. The Raman plots indicated the generation of the cassiterite crystal structure, structural disorder and oxygen vacancies in the pure and doped SnO2 nanoparticles. The UV-visible plots indicated a decrease in the bandgap for the doped SnO2 nanoparticles because doping introduced defect levels in the band gap. The photoluminescence study showed the creation of oxygen vacancies due to the doping of different charge states of dopants. The magnetic study based on varying the temperature and field of magnetization revealed the diamagnetic nature of SnO2 at 300 K and 5 K respectively, and the concurrence of ferromagnetic (FM) and paramagnetic (PM) nature in doped SnO2 nanoparticles. The bound polaron model was used to explain the co-existence of FM and PM behavior in all the doped SnO2 nanoparticles. We focused on the systematic study of the effect of Fe, Co and Ni substitution on the structural, optical and magnetic properties of SnO2 nanoparticles.![]()
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Affiliation(s)
- Supin K K
- Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
| | - Anson George
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum 695 019, Kerala, India
| | - Y. Ranjith Kumar
- Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Thejas K. K.
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum 695 019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Guruprasad Mandal
- Centre for Rural and Cryogenic Technologies, Jadavpur University, Kolkata 700032, India
| | - Anupama Chanda
- Department of Physics, Dr Hari Singh Gour Central University, Sagar, 470003, India
| | - M. Vasundhara
- Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum 695 019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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11
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Shen J, Xu S, Zhao C, Qiao X, Liu H, Zhao Y, Wei J, Zhu Y. Bimetallic Au@Pt Nanocrystal Sensitization Mesoporous α-Fe 2O 3 Hollow Nanocubes for Highly Sensitive and Rapid Detection of Fish Freshness at Low Temperature. ACS APPLIED MATERIALS & INTERFACES 2021; 13:57597-57608. [PMID: 34814684 DOI: 10.1021/acsami.1c17695] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
In this work, we present a new metal oxide semiconductor gas sensor for detecting trimethylamine (TMA) by bimetal Au@Pt-modified α-Fe2O3 hollow nanocubes (NCs) as sensing materials. The structure and morphological characteristics of Au@Pt/α-Fe2O3 were evaluated through multiple analyses, and their gas-sensitive performance was investigated. Compared with the pristine α-Fe2O3 NC sensor, the sensor based on Au@Pt/α-Fe2O3 NCs exhibited faster response time (5 s) and higher response (Ra/Rg = 32) toward 100 ppm TMA gas at a lower temperature (150 °C). Furthermore, we also assessed the Au@Pt/α-Fe2O3 NC sensor for detecting the freshness of Larimichthys crocea which have been observed by headspace solid-phase microextraction and gas chromatography-mass spectrometry. The high performance of the Au@Pt/α-Fe2O3 NCs is attributed to the special hollow morphology with a high specific surface area (212.9 m2/g) and the synergistic effect of the Au@Pt bimetal. The Au@Pt/α-Fe2O3 sensor shows promising application prospects in estimating seafood freshness on the spot.
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Affiliation(s)
- Jiabin Shen
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Shanshan Xu
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Cheng Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Xiaopeng Qiao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Haiquan Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Yong Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Jing Wei
- Institute of Analytical Chemistry and Instrument for Life Science, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Yongheng Zhu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
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Chen Y, Luo N, Li Z, Dong J, Wang X, Cheng Z, Xu J. The growth behavior of brain-like SnO 2 microspheres under a solvothermal reaction with tetrahydrofuran as a solvent and their gas sensitivity. RSC Adv 2021; 11:37568-37574. [PMID: 35496432 PMCID: PMC9043803 DOI: 10.1039/d1ra06675g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/05/2021] [Indexed: 11/21/2022] Open
Abstract
In this paper, the growth behavior of brain-like SnO2 microspheres synthesized by a tetrahydrofuran (THF) solvothermal method was studied. Unlike water or ethanol as the solvent, THF is a medium polar and aprotic solvent. Compared with other common polar solvents, the THF has no strong irregular effects on the growth process of SnO2. In addition, the viscosity of THF also helps the SnO2 to form a regular microstructure. The growth behavior of the brain-like SnO2 microspheres is controlled by changing the synthesis temperature of the reaction. The SEM and TEM results reveal that the SnO2 forms particles first (125 °C/3 h), and then these nanoparticles connect to each other forming nanowires and microspheres (diameter ≈ 1-2 μm) at 135 °C for 3 h; finally the microspheres further aggregate to form double or multi-sphere structures at 180 °C for 3 h. In this paper, the brain-like SnO2 microspheres obtained at 125 °C for 3 h were selected as sensitive materials to test their gas sensing performance at different operating temperature (50 °C and 350 °C). The H2S was tested at 50 °C which is the lowest operating temperature for the sensor. The combustible gas (H2/CH4/CO) was measured at 350 °C which is the highest temperature for the sensor. They all have extremely high sensitivity, but only H2S has excellent selectivity.
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Affiliation(s)
- Yang Chen
- NEST Lab, Department of Physics, Department of Chemistry, College of Sciences, Shanghai University Shanghai 200444 PR China
| | - Na Luo
- NEST Lab, Department of Physics, Department of Chemistry, College of Sciences, Shanghai University Shanghai 200444 PR China
| | - Zhixin Li
- NEST Lab, Department of Physics, Department of Chemistry, College of Sciences, Shanghai University Shanghai 200444 PR China
| | - Junping Dong
- NEST Lab, Department of Physics, Department of Chemistry, College of Sciences, Shanghai University Shanghai 200444 PR China
| | - Xiaohong Wang
- NEST Lab, Department of Physics, Department of Chemistry, College of Sciences, Shanghai University Shanghai 200444 PR China
| | - Zhixuan Cheng
- NEST Lab, Department of Physics, Department of Chemistry, College of Sciences, Shanghai University Shanghai 200444 PR China
| | - Jiaqiang Xu
- NEST Lab, Department of Physics, Department of Chemistry, College of Sciences, Shanghai University Shanghai 200444 PR China
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Xu D, Ge K, Qi S, Chen Y, Qiu J, Liu Q. Hydrangea-like mesoporous WO 3 nanoflowers with crystalline framework for 3-hydroxy-2-butanone sensing. Anal Bioanal Chem 2020; 412:8371-8378. [PMID: 33009597 DOI: 10.1007/s00216-020-02973-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/01/2020] [Accepted: 09/24/2020] [Indexed: 11/28/2022]
Abstract
In this study, a simple and efficient strategy for the construction of hydrangea-like mesoporous WO3 nanoflowers templated using diblock copolymer PS119-PtBA129 was developed. The nanoflower shows good gas sensing properties, especially for 3-hydroxy-2-butanone (3H-2B), which is the signature metabolite of Listeria monocytogenes (L. monocytogenes). Therefore, the gas sensing of 3H-2B by hydrangea-like mesoporous WO3 nanoflowers can be used to detect L. monocytogenes. In the case of 25 ppm 3H-2B as target gas, the response (Ra/Rg) of the hydrangea-like mesoporous WO3 nanoflowers at 205 °C is 152, where Ra and Rg are the resistances of the sensing device in air and target gas, respectively, and the response and recovery times at 25 ppm are 25 s and 146 s, respectively. Schematic illustration of the formation of hydrangea-like mesoporous WO3 nanoflowers and its gas sensing implication.
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Affiliation(s)
- Dongpo Xu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China.
| | - Kangjie Ge
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Shuyan Qi
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Yan Chen
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Jingxuan Qiu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Qing Liu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
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Luo N, Zhang B, Zhang D, Xu J. Enhanced CO sensing properties of Pd modified ZnO porous nanosheets. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.01.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Wang D, Deng L, Cai H, Yang J, Bao L, Zhu Y, Wang X. Bimetallic PtCu Nanocrystal Sensitization WO 3 Hollow Spheres for Highly Efficient 3-Hydroxy-2-butanone Biomarker Detection. ACS APPLIED MATERIALS & INTERFACES 2020; 12:18904-18912. [PMID: 32251603 DOI: 10.1021/acsami.0c02523] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
As a foodborne bacterium, Listeria monocytogenes (LM) can cause serious diseases and even death to weak people. 3-Hydroxy-2-butanone (3H-2B) has been proven to be a biomarker for exhalation of LM. Detection of 3H-2B is a fast and effective method for determining whether the food is infected. Herein, we present an excellent 3H-2B gas sensor based on bimetallic PtCu nanocrystal modified WO3 hollow spheres. The structure and morphology of the PtCu/WO3 were characterized, and their gas sensitivities were measured by a static testing method. The results showed that the sensor response of WO3 hollow spheres was enhanced by about 15 times after modification with bimetallic PtCu nanocrystal. The maximum response value of the PtCu/WO3 sensor to 10 ppm 3H-2B is as high as 221.2 at 110 °C. In addition, the PtCu/WO3 sensor also exhibited good selectivity to 3H-2B, fast response/recovery time (9 s/28 s), and low limit of detection (LOD < 0.5 ppm). Furthermore, the sensitivity mechanism was studied by monitoring the reaction products by gas chromatography-mass spectrometry. The excellent gas-sensing performance can be attributed to the synergy between PtCu and WO3, including the unique spillover effect of O2 on PtCu nanoparticles, the regulated depletion layer by p-type CuxO to n-type WO3, and their selective catalysis to 3H-2B. Hence, this work offers the rational design and synthesis of highly efficient sensitive materials for the detection of LM for food security.
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Affiliation(s)
- Ding Wang
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Lifeng Deng
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Haijie Cai
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Jialin Yang
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Liping Bao
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yongheng Zhu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Xianying Wang
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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