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Gebremedhin KH, Kahsay MH, Wegahita NK, Teklu T, Berhe BA, Gebru AG, Tesfay AH, Asgedom AG. Nanomaterial-based optical colorimetric sensors for rapid monitoring of inorganic arsenic species: a review. Discov Nano 2024; 19:38. [PMID: 38421536 PMCID: PMC10904709 DOI: 10.1186/s11671-024-03981-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 02/23/2024] [Indexed: 03/02/2024]
Abstract
Health concerns about the toxicity of arsenic compounds have therefore encouraged the development of new analytical tools for quick monitoring of arsenic in real samples with improved sensitivity, selectivity, and reliability. An overview of advanced optical colorimetric sensor techniques for real-time monitoring of inorganic arsenic species in the environment is given in this review paper. Herein, several advanced optical colorimetric sensor techniques for arsenite (As+3) and arsenate (As+5) based on doping chromogenic dyes/reagents, biomolecule-modified nanomaterials, and arsenic-binding ligand tethered nanomaterials are introduced and discussed. This review also highlights the benefits and limitations of the colorimetric sensor for arsenic species. Finally, prospects and future developments of an optical colorimetric sensor for arsenic species are also proposed. For future study in this sector, particularly for field application, authors recommend this review paper will be helpful for readers to understand the design principles and their corresponding sensing mechanisms of various arsenic optical colorimetric sensors.
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Affiliation(s)
- Kalayou Hiluf Gebremedhin
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia.
| | - Mebrahtu Hagos Kahsay
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Nigus Kebede Wegahita
- Department of Environmental Science, School of Environmental Science and Engineering, Tianjin University, Tianjin, China
| | - Tesfamariam Teklu
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Berihu Abadi Berhe
- School of Earth Science, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Asfaw Gebretsadik Gebru
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Amanuel Hadera Tesfay
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Abraha Geberekidan Asgedom
- Department of Chemistry, College of Natural and Computational Science, Mekelle University, Mekelle, Tigray, Ethiopia
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2
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Zheng G, Wei K, Kang X, Fan W, Ma NL, Verma M, Ng HS, Ge S. A new attempt to control volatile organic compounds (VOCs) pollution - Modification technology of biomass for adsorption of VOCs gas. Environ Pollut 2023; 336:122451. [PMID: 37648056 DOI: 10.1016/j.envpol.2023.122451] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/15/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023]
Abstract
The detrimental impact of volatile organic compounds on the surroundings is widely acknowledged, and effective solutions must be sought to mitigate their pollution. Adsorption treatment is a cost-effective, energy-saving, and flexible solution that has gained popularity. Biomass is an inexpensive, naturally porous material with exceptional adsorbent properties. This article examines current research on volatile organic compounds adsorption using biomass, including the composition of these compounds and the physical (van der Waals) and chemical mechanisms (Chemical bonding) by which porous materials adsorb them. Specifically, the strategic modification of the surface chemical functional groups and pore structure is explored to facilitate optimal adsorption, including pyrolysis, activation, heteroatom doping and other methods. It is worth noting that biomass adsorbents are emerging as a highly promising strategy for green treatment of volatile organic compounds pollution in the future. Overall, the findings signify that biomass modification represents a viable and competent approach for eliminating volatile organic compounds from the environment.
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Affiliation(s)
- Guiyang Zheng
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Kexin Wei
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xuelian Kang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Wei Fan
- School of Textile Science and Engineering & Key Laboratory of Functional Textile Material and Product of Ministry of Education, Xi'an Polytechnic University, Xi'an, Shanxi 710048, China
| | - Nyuk Ling Ma
- BIOSES Research Interest Group, Faculty of Science & Marine Environment, 21030 Universiti Malaysia Terengganu, Malaysia; Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 602105, India
| | - Meenakshi Verma
- University Centre for Research and Development, Department of Chemistry, Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Hui Suan Ng
- Centre for Research and Graduate Studies, University of Cyberjaya, Persiaran Bestari, 63000 Cyberjaya, Selangor, Malaysia
| | - Shengbo Ge
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.
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Li J, Liu X, Xi J, Deng L, Yang Y, Li X, Sun H. Recent Development of Polymer Nanofibers in the Field of Optical Sensing. Polymers (Basel) 2023; 15:3616. [PMID: 37688242 PMCID: PMC10489887 DOI: 10.3390/polym15173616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/25/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023] Open
Abstract
In recent years, owing to the continuous development of polymer nanofiber manufacturing technology, various nanofibers with different structural characteristics have emerged, allowing their application in the field of sensing to continually expand. Integrating polymer nanofibers with optical sensors takes advantage of the high sensitivity, fast response, and strong immunity to electromagnetic interference of optical sensors, enabling widespread use in biomedical science, environmental monitoring, food safety, and other fields. This paper summarizes the research progress of polymer nanofibers in optical sensors, classifies and analyzes polymer nanofiber optical sensors according to different functions (fluorescence, Raman, polarization, surface plasmon resonance, and photoelectrochemistry), and introduces the principles, structures, and properties of each type of sensor and application examples in different fields. This paper also looks forward to the future development directions and challenges of polymer nanofiber optical sensors, and provides a reference for in-depth research of sensors and industrial applications of polymer nanofibers.
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Affiliation(s)
- Jinze Li
- School of Optoelectronic Engineering, Xidian University, Xi'an 710071, China
| | - Xin Liu
- School of Physics, Xidian University, Xi'an 710071, China
| | - Jiawei Xi
- School of Optoelectronic Engineering, Xidian University, Xi'an 710071, China
| | - Li Deng
- School of Optoelectronic Engineering, Xidian University, Xi'an 710071, China
| | - Yanxin Yang
- School of Optoelectronic Engineering, Xidian University, Xi'an 710071, China
| | - Xiang Li
- School of Optoelectronic Engineering, Xidian University, Xi'an 710071, China
| | - Hao Sun
- School of Optoelectronic Engineering, Xidian University, Xi'an 710071, China
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4
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Dong H, Zheng X, Cheng C, Qian L, Cui Y, Wu W, Liu Q, Chen X, Lu Y, Yang Q, Zhang F, Wang D. A Multimodal Sensing CMOS Imager Based on Dual-Focus Imaging. Adv Sci (Weinh) 2023; 10:e2206699. [PMID: 36862008 PMCID: PMC10190568 DOI: 10.1002/advs.202206699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/07/2023] [Indexed: 05/18/2023]
Abstract
Advanced machine intelligence is empowered not only by the ever-increasing computational capability for information processing but also by sensors for collecting multimodal information from complex environments. However, simply assembling different sensors can result in bulky systems and complex data processing. Herein, it is shown that a complementary metal-oxide-semiconductor (CMOS) imager can be transformed into a compact multimodal sensing platform through dual-focus imaging. By combining lens-based and lensless imaging, visual information, chemicals, temperature, and humidity can be detected with the same chip and output as a single image. As a proof of concept, the sensor is equipped on a micro-vehicle, and multimodal environmental sensing and mapping is demonstrated. A multimodal endoscope is also developed, and simultaneous imaging and chemical profiling along a porcine digestive tract is achieved. The multimodal CMOS imager is compact, versatile, and extensible and can be widely applied in microrobots, in vivo medical apparatuses, and other microdevices.
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Affiliation(s)
- Hao Dong
- Intelligent Perception Research InstituteZhejiang LabHangzhou311100China
| | - Xubin Zheng
- Intelligent Perception Research InstituteZhejiang LabHangzhou311100China
| | - Chen Cheng
- Intelligent Perception Research InstituteZhejiang LabHangzhou311100China
| | - Libin Qian
- Intelligent Perception Research InstituteZhejiang LabHangzhou311100China
| | - Yaoxuan Cui
- Intelligent Perception Research InstituteZhejiang LabHangzhou311100China
| | - Weiwei Wu
- School of Advanced Materials and NanotechnologyInterdisciplinary Research Center of Smart SensorsXidian UniversityShaanxi710126China
| | - Qingjun Liu
- Biosensor National Special LaboratoryKey Laboratory for Biomedical Engineering of Education MinistryCollege of Biomedical Engineering and Instrument ScienceZhejiang UniversityHangzhou310027China
| | - Xing Chen
- Biosensor National Special LaboratoryKey Laboratory for Biomedical Engineering of Education MinistryCollege of Biomedical Engineering and Instrument ScienceZhejiang UniversityHangzhou310027China
| | - Yanli Lu
- Intelligent Perception Research InstituteZhejiang LabHangzhou311100China
| | - Qing Yang
- Intelligent Perception Research InstituteZhejiang LabHangzhou311100China
- State Key Laboratory of Modern Optical InstrumentationCollege of Optical Science and EngineeringZhejiang UniversityJoint International Research Laboratory of PhotonicsHangzhou310027China
| | - Fenni Zhang
- Biosensor National Special LaboratoryKey Laboratory for Biomedical Engineering of Education MinistryCollege of Biomedical Engineering and Instrument ScienceZhejiang UniversityHangzhou310027China
| | - Di Wang
- Intelligent Perception Research InstituteZhejiang LabHangzhou311100China
- Biosensor National Special LaboratoryKey Laboratory for Biomedical Engineering of Education MinistryCollege of Biomedical Engineering and Instrument ScienceZhejiang UniversityHangzhou310027China
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Mo M, Fu B, Hota P, Cay-Durgun P, Wang R, Cheng EH, Wiktor P, Tsow F, Thomas L, Lind ML, Forzani E. Threshold-Responsive Colorimetric Sensing System for the Continuous Monitoring of Gases. Sensors (Basel) 2023; 23:3496. [PMID: 37050555 PMCID: PMC10098906 DOI: 10.3390/s23073496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 06/19/2023]
Abstract
Colorimetric sensors are widely used because of their inherent advantages including accuracy, rapid response, ease-of-use, and low costs; however, they usually lack reusability, which precludes the continuous use of a single sensor. We have developed a threshold-responsive colorimetric system that enables repeated analyte measurements by a single colorimetric sensor. The threshold responsive algorithm automatically adjusts the sensor exposure time to the analyte and measurement frequency according to the sensor response. The system registers the colorimetric sensor signal change rate, prevents the colorimetric sensor from reaching saturation, and allows the sensor to fully regenerate before the next measurement is started. The system also addresses issues common to colorimetric sensors, including the response time and range of detection. We demonstrate the benefits and feasibility of this novel system, using colorimetric sensors for ammonia and carbon dioxide gases for continuous monitoring of up to (at least) 60 detection cycles without signs of analytical performance degradation of the sensors.
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Affiliation(s)
- Manni Mo
- Health Futures Center, Arizona State University, Phoenix, AZ 85054, USA
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
- Division of Nephrology, Mayo Clinic, Scottsdale, AZ 85259, USA
| | - Bo Fu
- Health Futures Center, Arizona State University, Phoenix, AZ 85054, USA
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
- Division of Nephrology, Mayo Clinic, Scottsdale, AZ 85259, USA
- School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, AZ 85287, USA
| | - Piyush Hota
- Health Futures Center, Arizona State University, Phoenix, AZ 85054, USA
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
- Division of Nephrology, Mayo Clinic, Scottsdale, AZ 85259, USA
| | - Pinar Cay-Durgun
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
| | - Ran Wang
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
| | - Edward H. Cheng
- Health Futures Center, Arizona State University, Phoenix, AZ 85054, USA
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
| | - Peter Wiktor
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
| | - Francis Tsow
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
| | - Leslie Thomas
- Health Futures Center, Arizona State University, Phoenix, AZ 85054, USA
- Division of Nephrology, Mayo Clinic, Scottsdale, AZ 85259, USA
- School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, AZ 85287, USA
| | - Mary Laura Lind
- Health Futures Center, Arizona State University, Phoenix, AZ 85054, USA
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
- Division of Nephrology, Mayo Clinic, Scottsdale, AZ 85259, USA
- School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, AZ 85287, USA
| | - Erica Forzani
- Health Futures Center, Arizona State University, Phoenix, AZ 85054, USA
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
- Division of Nephrology, Mayo Clinic, Scottsdale, AZ 85259, USA
- School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, AZ 85287, USA
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6
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Yang M, Zhang M, Jia M. Optical sensor arrays for the detection and discrimination of natural products. Nat Prod Rep 2023; 40:628-645. [PMID: 36597853 DOI: 10.1039/d2np00065b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Covering: up to the end of 2022Natural products (NPs) have found uses in medicine, food, cosmetics, materials science, environmental protection, and other fields related to our life. Their beneficial properties along with potential toxicities make the detection and discrimination of NPs crucial for their applications. Owing to the merits of low cost and simple operation, optical sensor arrays, including colorimetric and fluorometric sensor arrays, have been widely applied in the detection of small molecule NPs and discrimination of structurally similar small molecule NPs or complex mixtures of NPs. This review provides a brief introduction to the optical sensor array and focuses on its progress toward the detection and discrimination of NPs. We summarized the design principle of sensor arrays toward various NPs (i.e., saccharides and polyhydroxy compounds, organic acids, flavonoids, organic sulfur compounds, amines, amino acids, and saponins) based on their functional groups and characteristic chemical properties, along with representative examples. Moreover, the challenges and potential directions for further research of optical sensor arrays for NPs are proposed.
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Affiliation(s)
- Maohua Yang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
| | - Mei Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
| | - Mingyan Jia
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
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Zhao J, Li C, Du X, Zhu Y, Li S, Liu X, Liang C, Yu Q, Huang L, Yang K. Recent Progress of Carbon Dots for Air Pollutants Detection and Photocatalytic Removal: Synthesis, Modifications, and Applications. Small 2022; 18:e2200744. [PMID: 36251773 DOI: 10.1002/smll.202200744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/07/2022] [Indexed: 06/16/2023]
Abstract
Rapid industrialization has inevitably led to serious air pollution problems, thus it is urgent to develop detection and treatment technologies for qualitative and quantitative analysis and efficient removal of harmful pollutants. Notably, the employment of functional nanomaterials, in sensing and photocatalytic technologies, is promising to achieve efficient in situ detection and removal of gaseous pollutants. Among them, carbon dots (CDs) have shown significant potential due to their superior properties, such as controllable structures, easy surface modification, adjustable energy band, and excellent electron-transfer capacities. Moreover, their environmentally friendly preparation and efficient capture of solar energy provide a green option for sustainably addressing environmental problems. Here, recent advances in the rational design of CDs-based sensors and photocatalysts are highlighted. An overview of their applications in air pollutants detection and photocatalytic removal is presented, especially the diverse sensing and photocatalytic mechanisms of CDs are discussed. Finally, the challenges and perspectives are also provided, emphasizing the importance of synthetic mechanism investigation and rational design of structures.
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Affiliation(s)
- Jungang Zhao
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Caiting Li
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Xueyu Du
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Youcai Zhu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Shanhong Li
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Xuan Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Caixia Liang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Qi Yu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Le Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Kuang Yang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
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Hua Y, Ahmadi Y, Kim KH. Molecularly imprinted polymers for sensing gaseous volatile organic compounds: opportunities and challenges. Environ Pollut 2022; 311:119931. [PMID: 35977643 DOI: 10.1016/j.envpol.2022.119931] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/21/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
Chemical sensors that can detect volatile organic compounds (VOCs) are the subject of extensive research efforts. Among various sensing technologies, molecularly imprinted polymers (MIPs) are regarded as a highly promising option for their detection with many advantageous properties, e.g., specific binding-site for template molecules, high recognition specificity, ease of preparation, and chemical stability. This review covers recent advances in the sensing application of MIPs toward various types of VOCs (e.g., aliphatic and aromatic compounds). Particular emphasis has been placed on multiple approaches to the synthesis of MIP-based VOC sensors in association with their performance and sensing mechanisms. Current challenges and opportunities for new VOC-sensing applications are also discussed based on MIP technology.
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Affiliation(s)
- Yongbiao Hua
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, South Korea
| | - Younes Ahmadi
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, South Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, South Korea.
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Qin M, Fan S, Li X, Niu Z, Bai C, Chen G. Highly Efficient Electrocatalytic Upgrade of n-Valeraldehyde to Octane over Au SACs-NiMn 2 O 4 Spinel Synergetic Composites. Small 2022; 18:e2201359. [PMID: 35768281 DOI: 10.1002/smll.202201359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/25/2022] [Indexed: 06/15/2023]
Abstract
In this work, electrocatalytic upgrade of n-valeraldehyde to octane with higher activity and selectivity is achieved over Au single-atom catalysts (SACs)-NiMn2 O4 spinel synergetic composites. Experiments combined with density functional theory calculation collaboratively demonstrate that Au single-atoms occupy surface Ni2+ vacancies of NiMn2 O4 , which play a dominant role in n-valeraldehyde selective oxidation. A detailed investigation reveals that the initial n-valeraldehyde molecule preferentially adsorbs on the Mn tetrahedral site of NiMn2 O4 spinel synergetic structures, and the subsequent n-valeraldehyde molecule easily adsorbs on the Ni site. Specifically, Au single-atom surficial derivation over spinel lowers the adsorption energy (Eads ) of the initial n-valeraldehyde molecule, which will facilitate its adsorption on the Mn site of Au SACs-NiMn2 O4 . Furthermore, the single-atom Au surficial derivation not only alters the electronic structure of Au SACs-NiMn2 O4 but also lower the Eads of subsequent n-valeraldehyde molecule. Hence, the subsequent n-valeraldehyde molecules prefer adsorption on Au sites rather than Ni sites, and the process of two alkyl radicals originating from Mn-C4 H9 and Au-C4 H9 dimerization into an octane is accordingly accelerated. This work will provide an avenue for the rational design of SACs and supply a vital mechanism for understanding the electrocatalytic upgrade of n-valeraldehyde to octane.
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Affiliation(s)
- Meichun Qin
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Shiying Fan
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Xinyong Li
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Zhaodong Niu
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Chunpeng Bai
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Guohua Chen
- Department of Mechanical Engineering, Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hong Kong, 999077, China
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10
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Abstract
This paper provides an overview of recent developments in the field of volatile organic compound (VOC) sensors, which are finding uses in healthcare, safety, environmental monitoring, food and agriculture, oil industry, and other fields. It starts by briefly explaining the basics of VOC sensing and reviewing the currently available and quickly progressing VOC sensing approaches. It then discusses the main trends in materials' design with special attention to nanostructuring and nanohybridization. Emerging sensing materials and strategies are highlighted and their involvement in the different types of sensing technologies is discussed, including optical, electrical, and gravimetric sensors. The review also provides detailed discussions about the main limitations of the field and offers potential solutions. The status of the field and suggestions of promising directions for future development are summarized.
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Affiliation(s)
- Muhammad Khatib
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Hossam Haick
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion-Israel Institute of Technology, Haifa 3200003, Israel
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11
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Kabir KM, Baker MJ, Donald WA. Micro- and nanoscale sensing of volatile organic compounds for early-stage cancer diagnosis. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Todan L, Voicescu M, Culita DC, Lincu D, Ion RM, Călin M, Răut I, Kuncser AC. A curcumin-loaded silica carrier with NH3 sensitivity and antimicrobial properties. Chem Pap . [DOI: 10.1007/s11696-022-02090-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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13
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Kaur N, Sharma P, Aditya A, Shanavas A. Taking leads out of nature, can nano deliver us from COVID-like pandemics? Biomed Phys Eng Express 2022; 8. [PMID: 35078168 DOI: 10.1088/2057-1976/ac4ec8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 01/25/2022] [Indexed: 11/11/2022]
Abstract
The COVID-19 crisis has alerted the research community to re-purpose scientific tools that can effectively manage emergency pandemic situations. Researchers were never so desperate to discover a 'magic bullet' that has significant clinical benefits with minimal or no side effects. At the beginning of the pandemic, due to restricted access to traditional laboratory techniques, many research groups delved into computational screening of thousands of lead molecules that could inhibit SARS-CoV-2 at one or more stages of its infectious cycle. Several in silico studies on natural derivatives point out their potency against SARS-CoV-2 proteins. However, theoretical predictions and existing knowledge on related molecules reflect their poor oral bioavailability due to biotransformation in the gut and liver. Nanotechnology has evolved into a key field for precise and controlled delivery of various drugs that lack aqueous solubility, have low oral bioavailability and possess pronounced toxicity in their native form. In this review, we discuss various nanoformulations of natural products with favorable ADME properties, and also briefly explore nano-drug delivery to lungs, the primary site of SARS-CoV-2 infection. Natural products are also envisioned to augment nanotechnology-based 1) personnel protective equipment for ex vivo viral inactivation and 2) wearable sensors that perform rapid and non-invasive analysis of volatile organic compounds in exhaled breath of the infected person after therapeutic food consumption.
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Affiliation(s)
- Navneet Kaur
- Institute of Nano Science and Technology, Sector 81, Knowledge city, Mohali, 140306, INDIA
| | - Priyanka Sharma
- Institute of Nano Science and Technology, Sector 81, Knowledge city, Mohali, 140306, INDIA
| | - Adrija Aditya
- Institute of Nano Science and Technology, Sector 81, Knowledge city, Mohali, 140306, INDIA
| | - Asifkhan Shanavas
- Institute of Nano Science and Technology, Sector 81, Knowledge city, Mohali, 140306, INDIA
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14
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Schelski K, Reyes CG, Pschyklenk L, Kaul PM, Lagerwall JP. Quantitative volatile organic compound sensing with liquid crystal core fibers. Cell Rep Phys Sci 2021; 2:100661. [PMID: 35028624 PMCID: PMC8724680 DOI: 10.1016/j.xcrp.2021.100661] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 10/01/2021] [Accepted: 11/03/2021] [Indexed: 05/28/2023]
Abstract
Polymer fibers with liquid crystals (LCs) in the core have potential as autonomous sensors of airborne volatile organic compounds (VOCs), with a high surface-to-volume ratio enabling fast and sensitive response and an attractive non-woven textile form factor. We demonstrate their ability to continuously and quantitatively measure the concentration of toluene, cyclohexane, and isopropanol as representative VOCs, via the impact of each VOC on the LC birefringence. The response is fully reversible and repeatable over several cycles, the response time can be as low as seconds, and high sensitivity is achieved when the operating temperature is near the LC-isotropic transition temperature. We propose that a broad operating temperature range can be realized by combining fibers with different LC mixtures, yielding autonomous VOC sensors suitable for integration in apparel or in furniture that can compete with existing consumer-grade electronic VOC sensors in terms of sensitivity and response speed.
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Affiliation(s)
- Katrin Schelski
- Department of Physics and Materials Science, University of Luxembourg, 162a Avenue de la Faiencerie, 1511 Luxembourg, Luxembourg
- Institute of Safety and Security Research, University of Applied Sciences Bonn-Rhein-Sieg, von-Liebig-Straße 20, 53359 Rheinbach, Germany
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - Catherine G. Reyes
- Department of Physics and Materials Science, University of Luxembourg, 162a Avenue de la Faiencerie, 1511 Luxembourg, Luxembourg
- Institute of Safety and Security Research, University of Applied Sciences Bonn-Rhein-Sieg, von-Liebig-Straße 20, 53359 Rheinbach, Germany
| | - Lukas Pschyklenk
- Institute of Safety and Security Research, University of Applied Sciences Bonn-Rhein-Sieg, von-Liebig-Straße 20, 53359 Rheinbach, Germany
| | - Peter-Michael Kaul
- Institute of Safety and Security Research, University of Applied Sciences Bonn-Rhein-Sieg, von-Liebig-Straße 20, 53359 Rheinbach, Germany
| | - Jan P.F. Lagerwall
- Department of Physics and Materials Science, University of Luxembourg, 162a Avenue de la Faiencerie, 1511 Luxembourg, Luxembourg
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15
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Ivaskovic P, Ainseba B, Nicolas Y, Toupance T, Tardy P, Thiéry D. Sensing of Airborne Infochemicals for Green Pest Management: What Is the Challenge? ACS Sens 2021; 6:3824-3840. [PMID: 34704740 DOI: 10.1021/acssensors.1c00917] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
One of the biggest global challenges for our societies is to provide natural resources to the rapidly expanding population while maintaining sustainable and ecologically friendly products. The increasing public concern about toxic insecticides has resulted in the rapid development of alternative techniques based on natural infochemicals (ICs). ICs (e.g., pheromones, allelochemicals, volatile organic compounds) are secondary metabolites produced by plants and animals and used as information vectors governing their interactions. Such chemical language is the primary focus of chemical ecology, where behavior-modifying chemicals are used as tools for green pest management. The success of ecological programs highly depends on several factors, including the amount of ICs that enclose the crop, the range of their diffusion, and the uniformity of their application, which makes precise detection and quantification of ICs essential for efficient and profitable pest control. However, the sensing of such molecules remains challenging, and the number of devices able to detect ICs in air is so far limited. In this review, we will present the advances in sensing of ICs including biochemical sensors mimicking the olfactory system, chemical sensors, and sensor arrays (e-noses). We will also present several mathematical models used in integrated pest management to describe how ICs diffuse in the ambient air and how the structure of the odor plume affects the pest dynamics.
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Affiliation(s)
- Petra Ivaskovic
- UMR 1065, Santé et Agroécologie du Vignoble, INRAE, 33140 Villenave d’Ornon, France
- UMR 5218, Laboratoire de l’Intégration du Matériau au Système, 33405 Talence, France
| | - Bedr’Eddine Ainseba
- UMR 5251, Institut de Mathématiques de Bordeaux, Université de Bordeaux, 33405 Talence, France
| | - Yohann Nicolas
- UMR 5255, Institut des Sciences Moléculaires, Université de Bordeaux, 33405 Talence, France
| | - Thierry Toupance
- UMR 5255, Institut des Sciences Moléculaires, Université de Bordeaux, 33405 Talence, France
| | - Pascal Tardy
- UMR 5218, Laboratoire de l’Intégration du Matériau au Système, 33405 Talence, France
| | - Denis Thiéry
- UMR 1065, Santé et Agroécologie du Vignoble, INRAE, 33140 Villenave d’Ornon, France
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16
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Yu J, Tsow F, Mora SJ, Tipparaju VV, Xian X. Hydrogel-incorporated Colorimetric Sensors with High Humidity Tolerance for Environmental Gases Sensing. Sens Actuators B Chem 2021; 345:130404. [PMID: 34326572 PMCID: PMC8315352 DOI: 10.1016/j.snb.2021.130404] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Humidity interferes most gas sensors, especially colorimetric sensors. The conventional approaches to minimize the humidity interference in colorimetric gas sensing require using extra components, causing unwanted analytes loss, or limiting the choices of sensing probes to only hydrophobic ones. To explore the possibility of minimizing the humidity interference in a hydrophilic colorimetric sensing system, we have developed a hydrogel-incorporated approach to buffer the humidity influence on the colorimetric gas sensing. The hydrogel-incorporated colorimetric sensors show not only high humidity tolerance but also the improved analytical performance. The accuracy and reliability of the hydrogel-incorporated colorimetric sensors have also been validated in field tests. This hydrogel-incorporated approach will open up an avenue to implement hydrophilic recipes into colorimetric gas sensors and extend the application of colorimetric sensors to humid gases detection.
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Affiliation(s)
- Jingjing Yu
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University
| | - Francis Tsow
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University
| | - Sabrina Jimena Mora
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University
| | - Vishal Varun Tipparaju
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University
| | - Xiaojun Xian
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University
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17
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Duffy E, Huttunen K, Lahnavik R, Smeaton AF, Morrin A. Visualising household air pollution: Colorimetric sensor arrays for monitoring volatile organic compounds indoors. PLoS One 2021; 16:e0258281. [PMID: 34614030 PMCID: PMC8494322 DOI: 10.1371/journal.pone.0258281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/22/2021] [Indexed: 11/18/2022] Open
Abstract
Indoor air quality monitoring as it relates to the domestic setting is an integral part of human exposure monitoring and health risk assessment. Hence there is a great need for easy to use, fast and economical indoor air quality sensors to monitor the volatile organic compound composition of the air which is known to be significantly perturbed by the various source emissions from activities in the home. To meet this need, paper-based colorimetric sensor arrays were deployed as volatile organic compound detectors in a field study aiming to understand which activities elicit responses from these sensor arrays in household settings. The sensor array itself is composed of pH indicators and aniline dyes that enable molecular recognition of carboxylic acids, amines and carbonyl-containing compounds. The sensor arrays were initially deployed in different rooms in a single household having different occupant activity types and levels. Sensor responses were shown to differ for different room settings on the basis of occupancy levels and the nature of the room emission sources. Sensor responses relating to specific activities such as cooking, cleaning, office work, etc were noted in the temporal response. Subsequently, the colorimetric sensor arrays were deployed in a broader study across 9 different households and, using multivariate analysis, the sensor responses were shown to correlate strongly with household occupant activity and year of house build. Overall, this study demonstrates the significant potential for this type of simple approach to indoor air pollution monitoring in residential environments.
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Affiliation(s)
- Emer Duffy
- Insight SFI Research Centre for Data Analytics, Dublin City University, Dublin, Ireland
- National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, Dublin, Ireland
| | - Kati Huttunen
- Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
| | - Roosa Lahnavik
- Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
| | - Alan F. Smeaton
- Insight SFI Research Centre for Data Analytics, Dublin City University, Dublin, Ireland
| | - Aoife Morrin
- Insight SFI Research Centre for Data Analytics, Dublin City University, Dublin, Ireland
- National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, Dublin, Ireland
- * E-mail:
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18
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Kingsborough RP, Wrobel AT, Kunz RR. Colourimetry for the sensitive detection of vapour-phase chemicals: State of the art and future trends. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116397] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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19
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Duffy E, Cauven E, Morrin A. Colorimetric Sensing of Volatile Organic Compounds Produced from Heated Cooking Oils. ACS Omega 2021; 6:7394-7401. [PMID: 33778252 PMCID: PMC7992057 DOI: 10.1021/acsomega.0c05667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 01/19/2021] [Indexed: 06/12/2023]
Abstract
Measurement of cooking-associated air pollution indoors is an integral part of exposure monitoring and human health risk assessment. There is a need for easy to use, fast, and economical detection systems to quantify the various emissions from different sources in the home. Addressing this challenge, a colorimetric sensor array (CSA) is reported as a new method to characterize volatile organic compounds produced from cooking, a major contributor to indoor air pollution. The sensor array is composed of pH indicators and aniline dyes from classical spot tests, which enabled molecular recognition of a variety of aldehydes, ketones, and carboxylic acids as demonstrated by hierarchical clustering and principal component analyses. To demonstrate the concept, these CSAs were employed for differentiation of emissions from heated cooking oils (sunflower, rapeseed, olive, and groundnut oils). Sensor results were validated by gas chromatography-mass spectrometry analysis, highlighting the potential of the sensor array for evaluating cooking emissions as a source of indoor air pollution.
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Affiliation(s)
- Emer Duffy
- INSIGHT
SFI Research Centre for Data Analytics, National Centre for Sensor
Research, School of Chemical Sciences, Dublin
City University, Glasnevin, Dublin 9, Ireland
| | - Emme Cauven
- School
of Natural Science, Fontys University of
Applied Sciences, Romdom
1, 5612AP Eindhoven, The Netherlands
| | - Aoife Morrin
- INSIGHT
SFI Research Centre for Data Analytics, National Centre for Sensor
Research, School of Chemical Sciences, Dublin
City University, Glasnevin, Dublin 9, Ireland
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20
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Abstract
Colorimetric sensing technologies have been widely used for both quantitative detection of specific analyte and recognition of a large set of analytes in gas phase, ranging from environmental chemicals to biomarkers in breath. However, the accuracy and reliability of the colorimetric gas sensors are threatened by the humidity interference in different application scenarios. Though substantial progress has been made toward new colorimetric sensors development, unless the humidity interference is well addressed, the colorimetric sensors cannot be deployed for real-world applications. Although there are comprehensive and insightful review articles about the colorimetric gas sensors, they have focused more on the progress in new sensing materials, new sensing systems, and new applications. There is a need for reviewing the works that have been done to solve the humidity issue, a challenge that the colorimetric gas sensors commonly face. In this review paper, we analyzed the mechanisms of the humidity interference and discussed the approaches that have been reported to mitigate the humidity interference in colorimetric sensing of environmental gases and breath biomarkers. Finally, the future perspectives of colorimetric sensing technologies are also discussed.
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Affiliation(s)
- Jingjing Yu
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
| | - Di Wang
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
| | - Vishal Varun Tipparaju
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
| | - Francis Tsow
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
| | - Xiaojun Xian
- Center for Bioelectronics and Biosensors, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
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21
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Jaiswal S, Kumar Gupta G, Panchal K, Mandeep, Shukla P. Synthetic Organic Compounds From Paper Industry Wastes: Integrated Biotechnological Interventions. Front Bioeng Biotechnol 2021; 8:592939. [PMID: 33490048 PMCID: PMC7820897 DOI: 10.3389/fbioe.2020.592939] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 11/30/2020] [Indexed: 11/13/2022] Open
Abstract
Synthetic organic compounds (SOCs) are reported as xenobiotics compounds contaminating the environment from various sources including waste from the pulp and paper industries: Since the demand and production of paper is growing increasingly, the release of paper and pulp industrial waste consisting of SOCs is also increasing the SOCs' pollution in natural reservoirs to create environmental pollution. In pulp and paper industries, the SOCs viz. phenol compounds, furans, dioxins, benzene compounds etc. are produced during bleaching phase of pulp treatment and they are principal components of industrial discharge. This review gives an overview of various biotechnological interventions for paper mill waste effluent management and elimination strategies. Further, the review also gives the insight overview of various ways to restrict SOCs release in natural reservoirs, its limitations and integrated approaches for SOCs bioremediation using engineered microbial approaches. Furthermore, it gives a brief overview of the sustainable remediation of SOCs via genetically modified biological agents, including bioengineering system innovation at industry level before waste discharge.
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Affiliation(s)
- Shweta Jaiswal
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Guddu Kumar Gupta
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Kusum Panchal
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Mandeep
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Pratyoosh Shukla
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
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22
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Zampetti E, Papa P, Avossa J, Bearzotti A, Balducci C, Tranfo G, Macagnano A. Low-Cost Benzene Toluene Xylene Measurement Gas System Based on the Mini Chromatographic Cartridge. Sensors (Basel) 2020; 21:E125. [PMID: 33379142 DOI: 10.3390/s21010125] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 11/17/2022]
Abstract
Benzene, toluene and xylene (BTX) are an important part of the volatile organic compounds (VOCs) to be detected and monitored in the air, due to their toxicity towards human health. One of the most reliable technique used in BTX detection is gas chromatography (GC), which presents a high sensitivity. On the other hand, it has important drawbacks, such as high costs, the need for qualified personnel and frequent maintenance. To overcome these drawbacks, this work reports the development of a low cost and portable BTX gas detection system based on a mini chromatographic cartridge, a photo ionization detector (PID), a simple control unit (based on Arduino architecture) and a mini pump. In order to separate the BTX components, we propose the use of a cartridge 80 mm in length, composed of several commercial chromatographic column sections. To test the system performances, we have injected different amounts (from about 0.3 to 5.3 µg) of benzene, toluene and xylene and two of the most frequent possible interferents (ethanol, acetone). Experimental results have shown different retention time values (i.e., 25 ± 0.5 s, 51 ± 1.2 s and 117 ± 4 s, respectively) for benzene, toluene and xylene.
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23
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Zhang M, Shi J, Liao C, Tian Q, Wang C, Chen S, Zang L. Perylene Imide-Based Optical Chemosensors for Vapor Detection. Chemosensors 2021; 9:1. [DOI: 10.3390/chemosensors9010001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Perylene imide (PI) molecules and materials have been extensively studied for optical chemical sensors, particularly those based on fluorescence and colorimetric mode, taking advantage of the unique features of PIs such as structure tunability, good thermal, optical and chemical stability, strong electron affinity, strong visible light absorption and high fluorescence quantum yield. PI-based optical chemosensors have now found broad applications in gas phase detection of chemicals, including explosives, biomarkers of some food and diseases (such as organic amines (alkylamines and aromatic amines)), benzene homologs, organic peroxides, phenols and nitroaromatics, etc. In this review, the recent research on PI-based fluorometric and colorimetric sensors, as well as array technology incorporating multiple sensors, is reviewed along with the discussion of potential applications in environment, health and public safety areas. Specifically, we discuss the molecular design and aggregate architecture of PIs in correlation with the corresponding sensor performances (including sensitivity, selectivity, response time, recovery time, reversibility, etc.). We also provide a perspective summary highlighting the great potential for future development of PIs optical chemosensors, especially in the sensor array format that will largely enhance the detection specificity in complexed environments.
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24
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Rodríguez-Torres M, Altuzar V, Mendoza-Barrera C, Beltrán-Pérez G, Castillo-Mixcóatl J, Muñoz-Aguirre S. Discrimination Improvement of a Gas Sensors' Array Using High-Frequency Quartz Crystal Microbalance Coated with Polymeric Films. Sensors (Basel) 2020; 20:s20236972. [PMID: 33291314 PMCID: PMC7730943 DOI: 10.3390/s20236972] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 06/12/2023]
Abstract
The discrimination improvement of an array of four highly sensitive 30 MHz gas quartz crystal microbalance (QCM) sensors was performed and compared to a similar system based on a 12-MHz QCM. The sensing polymeric films were ethyl cellulose (EC), poly-methyl methacrylate (PMMA), Apiezon L (ApL), and Apiezon T (ApT) and they were coated over the AT-cut QCM devices by the drop casting technique. All the sensors had almost the same film thickness (0.2 μm). The fabricated QCM sensor arrays were exposed to three different concentrations, corresponding to 5, 10, and 15 μL, of ethanol, ethyl acetate, and heptane vapors. The steady state sensor responses were measured in a static system at a temperature of 20 °C and relative humidity of 22%. Our results showed that the 30-MHz sensors have a higher sensitivity than 12-MHz ones (around 5.73 times), independently of the sensing film and measured sample. On the other hand, principal component analysis and discriminant analysis were performed using the raw data of the responses. An improvement of the classification percentage between 12 MHz and 30 MHz sensors was found. However, it was not sufficient, especially for low concentrations. Furthermore, using partition coefficient and discriminant analysis (DA), an improvement of 100% classification of the three samples was achieved for the case of the 30-MHz sensor array.
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25
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Alberti G, Zanoni C, Magnaghi LR, Biesuz R. Disposable and Low-Cost Colorimetric Sensors for Environmental Analysis. Int J Environ Res Public Health 2020; 17:E8331. [PMID: 33187161 DOI: 10.3390/ijerph17228331] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/07/2020] [Accepted: 11/09/2020] [Indexed: 12/13/2022]
Abstract
Environmental contamination affects human health and reduces the quality of life. Therefore, the monitoring of water and air quality is important, ensuring that all areas are acquiescent with the current legislation. Colorimetric sensors deliver quick, naked-eye detection, low-cost, and adequate determination of environmental analytes. In particular, disposable sensors are cheap and easy-to-use devices for single-shot measurements. Due to increasing requests for in situ analysis or resource-limited zones, disposable sensors’ development has increased. This review provides a brief insight into low-cost and disposable colorimetric sensors currently used for environmental analysis. The advantages and disadvantages of different colorimetric devices for environmental analysis are discussed.
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26
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Quintero S, Casquel R, Laguna MF, Holgado M. Optical Vapor Sensors Based on Periodic Resonant Nanopillar Structures. ACS Omega 2020; 5:25913-25918. [PMID: 33073117 PMCID: PMC7558036 DOI: 10.1021/acsomega.0c03279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 09/22/2020] [Indexed: 06/11/2023]
Abstract
In this work, it is reported for the first time the use of a network of periodic optical resonant nanopillars for sensing vapors of volatile organic components. In particular, this work evaluates the presence of methanol, ethanol, isopropanol, acetic acid, propionic acid, and toluene vapors at different working distances between the transducer and the surface of the sample in the liquid state, obtaining the sensing curve response of each one of them. In addition, it studies the thin film of liquid condensed onto the nanopillar surface, estimating their corresponding thickness value by means of numerical photonic simulations and their correlation with the corresponding vapor pressure of different specimens.
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Affiliation(s)
- Sergio Quintero
- Universidad
Politécnica de Madrid, Center for
Biomedical Technology, Group of Optics, Photonics and Biophotonics, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Rafael Casquel
- Universidad
Politécnica de Madrid, Center for
Biomedical Technology, Group of Optics, Photonics and Biophotonics, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Maria Fe Laguna
- Universidad
Politécnica de Madrid, Center for
Biomedical Technology, Group of Optics, Photonics and Biophotonics, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Miguel Holgado
- Universidad
Politécnica de Madrid, Center for
Biomedical Technology, Group of Optics, Photonics and Biophotonics, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
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27
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Ollé EP, Farré-Lladós J, Casals-Terré J. Advancements in Microfabricated Gas Sensors and Microanalytical Tools for the Sensitive and Selective Detection of Odors. Sensors (Basel) 2020; 20:E5478. [PMID: 32987904 PMCID: PMC7583964 DOI: 10.3390/s20195478] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/14/2020] [Accepted: 09/21/2020] [Indexed: 12/15/2022]
Abstract
In recent years, advancements in micromachining techniques and nanomaterials have enabled the fabrication of highly sensitive devices for the detection of odorous species. Recent efforts done in the miniaturization of gas sensors have contributed to obtain increasingly compact and portable devices. Besides, the implementation of new nanomaterials in the active layer of these devices is helping to optimize their performance and increase their sensitivity close to humans' olfactory system. Nonetheless, a common concern of general-purpose gas sensors is their lack of selectivity towards multiple analytes. In recent years, advancements in microfabrication techniques and microfluidics have contributed to create new microanalytical tools, which represent a very good alternative to conventional analytical devices and sensor-array systems for the selective detection of odors. Hence, this paper presents a general overview of the recent advancements in microfabricated gas sensors and microanalytical devices for the sensitive and selective detection of volatile organic compounds (VOCs). The working principle of these devices, design requirements, implementation techniques, and the key parameters to optimize their performance are evaluated in this paper. The authors of this work intend to show the potential of combining both solutions in the creation of highly compact, low-cost, and easy-to-deploy platforms for odor monitoring.
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Affiliation(s)
- Enric Perarnau Ollé
- Department of Mechanical Engineering, Polytechnical University of Catalonia (UPC), MicroTech Lab, Colom street 11, 08222 Terrassa, Spain; (J.F.-L.); (J.C.-T.)
- SEAT S.A., R&D Department in Future Urban Mobility Concepts, A-2, Km 585, 08760 Martorell, Spain
| | - Josep Farré-Lladós
- Department of Mechanical Engineering, Polytechnical University of Catalonia (UPC), MicroTech Lab, Colom street 11, 08222 Terrassa, Spain; (J.F.-L.); (J.C.-T.)
| | - Jasmina Casals-Terré
- Department of Mechanical Engineering, Polytechnical University of Catalonia (UPC), MicroTech Lab, Colom street 11, 08222 Terrassa, Spain; (J.F.-L.); (J.C.-T.)
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Yavarinasab A, Janfaza S, Tasnim N, Tahmooressi H, Dalili A, Hoorfar M. Graphene/poly (methyl methacrylate) electrochemical impedance-transduced chemiresistor for detection of volatile organic compounds in aqueous medium. Anal Chim Acta 2020; 1109:27-36. [DOI: 10.1016/j.aca.2020.02.065] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/26/2020] [Accepted: 02/29/2020] [Indexed: 12/14/2022]
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