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Zhang Y, Li J, Jiao S, Li Y, Zhou Y, Zhang X, Maryam B, Liu X. Microfluidic sensors for the detection of emerging contaminants in water: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172734. [PMID: 38663621 DOI: 10.1016/j.scitotenv.2024.172734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/22/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
In recent years, numerous emerging contaminants have been identified in surface water, groundwater, and drinking water. Developing novel sensing methods for detecting diverse emerging pollutants in water is urgently needed, as even at low concentrations, these pollutants can pose a serious threat to human health and environmental safety. Traditional testing methods are based on laboratory equipment, which is highly sensitive but complex to operate, costly, and not suitable for on-site monitoring. Microfluidic sensors offer several benefits, including rapid evaluation, minimal sample usage, accurate liquid manipulation, compact size, automation, and in-situ detection capabilities. They provide promising and efficient analytical tools for high-performance sensing platforms in monitoring emerging contaminants in water. In this paper, recent research advances in microfluidic sensors for the detection of emerging contaminants in water are reviewed. Initially, a concise overview is provided about the various substrate materials, corresponding microfabrication techniques, different driving forces, and commonly used detection techniques for microfluidic devices. Subsequently, a comprehensive analysis is conducted on microfluidic detection methods for endocrine-disrupting chemicals, pharmaceuticals and personal care products, microplastics, and perfluorinated compounds. Finally, the prospects and future challenges of microfluidic sensors in this field are discussed.
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Affiliation(s)
- Yihao Zhang
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China
| | - Jiaxuan Li
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China
| | - Shipu Jiao
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China
| | - Yang Li
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China
| | - Yu Zhou
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China
| | - Xu Zhang
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China
| | - Bushra Maryam
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China
| | - Xianhua Liu
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China.
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Wang H, Poopal RK, Ren Z. Biological-based techniques for real-time water-quality studies: Assessment of non-invasive (swimming consistency and respiration) and toxicity (antioxidants) biomarkers of zebrafish. CHEMOSPHERE 2024; 352:141268. [PMID: 38246499 DOI: 10.1016/j.chemosphere.2024.141268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/18/2024] [Accepted: 01/18/2024] [Indexed: 01/23/2024]
Abstract
Swimming consistency and respiration of fish are recognized as the non-invasive stress biomarkers. Their alterations could directly indicate the presence of pollutants in the water ecosystem. Since these biomarkers are a routine process for fish, it is difficult to monitor their activity manually. For this reason, experts employ engineering technologies to create sensors that can monitor the regular activities of fish. Knowing the importance of these non-invasive stress biomarkers, we developed online biological behavior monitoring system-OBBMS and online biological respiratory response monitoring system-OBRRMS to monitor real-time swimming consistency and respiratory response of fish, respectively. We continuously monitored the swimming consistency and respiration (OCR, CER and RQ) of zebrafish (control and atrazine-treatments) for 7 days using our homemade real-time biological response monitoring systems. Furthermore, we analyzed oxidative stress indicators (SOD, CAT and POD) within the vital tissues (gills, brain and muscle) of zebrafish during stipulated sampling periods. The differences in the swimming consistency and respiratory rate of zebrafish between the control and atrazine treatments could be precisely differentiated on the real-time datasets of OBBMS and OBRRMS. The zebrafish exposed to atrazine toxin showed a concentration-dependent effect (hypoactivity). The OCR and CER were increased in the atrazine treated zebrafish. Both Treatment I and II received a negative response for RQ. Atrazine toxicity let to a rise in the levels of SOD, CAT and POD in the vital tissues of zebrafish. The continuous acquisition of fish signals is achieved which is one of the main merits of our OBBMS and OBRRMS. Additionally, no special data processing was done, the real-time data sets were directly used on statistical tools and the differences between the factors (groups, photoperiods, exposure periods and their interactions) were identified precisely. Hence, our OBBMS and OBRRMS could be a promising tool for biological response-based real-time water quality monitoring studies.
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Affiliation(s)
- Hainan Wang
- Institute of Environment and Ecology, Shandong Normal University, Jinan, 250358, China
| | - Rama-Krishnan Poopal
- Institute of Environment and Ecology, Shandong Normal University, Jinan, 250358, China
| | - Zongming Ren
- Institute of Environment and Ecology, Shandong Normal University, Jinan, 250358, China.
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3
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Hu Q, Zhan D, Saeed A, Xu W, Kong L. Highly selective detection of 2,4-dinitrophenol by fluorescent NH 2-MIL-125(Ti) via dual-parameter sensing technology. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1206-1214. [PMID: 38312059 DOI: 10.1039/d3ay02059b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
The organic contaminant 2,4-dinitrophenol (2,4-DNP) is widely prevalent and poses significant risks to human health. Although numerous in-depth studies having been reported on the highly sensitive detection of 2,4-DNP, there are still challenges to its selective detection. Here, the fluorescence intensity ratio (I0/I) and emission peak shift (Δλ) were utilized for selective detection of 2,4-DNP by NH2-MIL-125(Ti). Notably, the emission peak of the NH2-MIL-125(Ti) suspension exhibited a remarkable red shift in the presence of 2,4-DNP (Δλ = 26 nm), accompanied by the blue shift or weak red shift of analogs, which provided a solid basis for selective detection of 2,4-DNP. Meanwhile, the I0/I ratio of the NH2-MIL-125(Ti) suspension exhibited a robust linear correlation with 2,4-DNP at the low concentration range (0-70 μM). The interaction of the analyte with NH2-MIL-125(Ti) was revealed to involve intermolecular charge transfer (ICT) and fluorescence resonance energy transfer (FRET) through XPS, FTIR, and UV-vis absorption spectroscopy. Additionally, we achieved the detection of 2,4-DNP using a smartphone by recognizing both the blue (B) values and the luminance (L) values. The obtained results demonstrated that the NH2-MIL-125(Ti) probe based on dual-parameter sensing technology exhibited excellent potential for selectively detecting 2,4-DNP in water environments, thereby offering significant prospects for its application in water quality assessment.
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Affiliation(s)
- Qi Hu
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
- Key Laboratory of Environmental Optics and Technology, Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
| | - Deyi Zhan
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
- Key Laboratory of Environmental Optics and Technology, Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
| | - Abdul Saeed
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
- Key Laboratory of Environmental Optics and Technology, Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
| | - Weihong Xu
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
- Key Laboratory of Environmental Optics and Technology, Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
| | - Lingtao Kong
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
- Key Laboratory of Environmental Optics and Technology, Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
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AlMashrea BA, Almehdi AM, Damiati S. Simple microfluidic devices for in situ detection of water contamination: a state-of-art review. Front Bioeng Biotechnol 2024; 12:1355768. [PMID: 38371420 PMCID: PMC10869488 DOI: 10.3389/fbioe.2024.1355768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 01/18/2024] [Indexed: 02/20/2024] Open
Abstract
Water security is an important global issue that is pivotal in the pursuit of sustainable resources for future generations. It is a multifaceted concept that combines water availability with the quality of the water's chemical, biological, and physical characteristics to ensure its suitability and safety. Water quality is a focal aspect of water security. Quality index data are determined and provided via laboratory testing using expensive instrumentation with high maintenance costs and expertise. Due to increased practices in this sector that can compromise water quality, innovative technologies such as microfluidics are necessary to accelerate the timeline of test procedures. Microfluidic technology demonstrates sophisticated functionality in various applications due to the chip's miniaturization system that can control the movement of fluids in tiny amounts and be used for onsite testing when integrated with smart applications. This review aims to highlight the basics of microfluidic technology starting from the component system to the properties of the chip's fabricated materials. The published research on developing microfluidic sensor devices for monitoring chemical and biological contaminants in water is summarized to understand the obstacles and challenges and explore future opportunities for advancement in water quality monitoring.
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Affiliation(s)
- Buthaina A. AlMashrea
- Department of Chemistry, College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Chemical Analysis Laboratories Section, Dubai Central Laboratory Department, Dubai, United Arab Emirates
| | - Ahmed M. Almehdi
- Department of Chemistry, College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Samar Damiati
- Department of Chemistry, College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
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5
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Khalaf EM, Sanaan Jabbar H, Mireya Romero-Parra R, Raheem Lateef Al-Awsi G, Setia Budi H, Altamimi AS, Abdulfadhil Gatea M, Falih KT, Singh K, Alkhuzai KA. Smartphone-assisted microfluidic sensor as an intelligent device for on-site determination of food contaminants: Developments and applications. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Shelash Al-Hawary SI, Sapaev IB, Althomali RH, Musad Saleh EA, Qadir K, Romero-Parra RM, Ismael Ouda G, Hussien BM, Ramadan MF. Recent Progress in Screening of Mycotoxins in Foods and Other Commodities Using MXenes-Based Nanomaterials. Crit Rev Anal Chem 2023:1-17. [PMID: 37307199 DOI: 10.1080/10408347.2023.2222412] [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: 06/14/2023]
Abstract
Mycotoxin pollution in agricultural food products endangers animal and human health during the supply chains, therefore the development of accurate and rapid techniques for the determination of mycotoxins is of great importance for food safety guarantee. MXenes-based nanoprobes have attracted enormous attention as a complementary analysis and promising alternative strategies to conventional diagnostic methods, because of their fascinating features, like high electrical conductivity, various surface functional groups, high surface area, superb thermal resistance, good hydrophilicity, and environmentally-friendlier characteristics. In this study, we outline the state-of-the-art research on MXenes-based probes in detecting various mycotoxins like aflatoxin, ochratoxin, deoxynivalenol, zearalenone, and other toxins as a most commonly founded mycotoxin in the agri-food supply chain. First, we present the diverse synthesis approaches and exceptional characteristics of MXenes. Afterward, based on the detecting mechanism, we divide the biosensing utilizations of MXenes into two subcategories: electrochemical, and optical biosensors. Then their performance in effective sensing of mycotoxins is comprehensively deliberated. Finally, present challenges and prospective opportunities for MXenes are debated.
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Affiliation(s)
| | - I B Sapaev
- Tashkent Institute of Irrigation and Agricultural Mechanization Engineers, Tashkent, Uzbekistan
| | - Raed H Althomali
- Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ebraheem Abdu Musad Saleh
- Department of Chemistry, Prince Sattam Bin Abdulaziz University, College of Arts and Science, Saudi Arabia
| | - Kamran Qadir
- Panjin Institute of Industrial Technology, Liaoning Key Laboratory of Chemical Additive Synthesis and Separation, Dalian University of Technology, Panjin, China
| | | | | | - Beneen M Hussien
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
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7
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Feng J, Jiang H, Jin Y, Rong S, Wang S, Wang H, Wang L, Xu W, Sun B. A device-independent method for the colorimetric quantification on microfluidic sensors using a color adaptation algorithm. Mikrochim Acta 2023; 190:148. [PMID: 36952027 DOI: 10.1007/s00604-023-05731-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 03/02/2023] [Indexed: 03/24/2023]
Abstract
A general and adaptable method is proposed to reliably extract quantitative information from smartphone images of microfluidic sensors. By analyzing and processing the color information of selected standard substances, the influence of light conditions, device differences, and human factors could be significantly reduced. Machine learning and multivariate fitting methods were proved to be effective for chroma correction, and a key element was the training of sample size and the fitting form, respectively. A custom APP was developed and validated using a high-sensitivity chromium ion quantification paper chip. The average chroma deviations under different conditions were reduced by more than 75% in RGB color space, and the concentration test error was reduced by more than half compared with the commonly used method. The proposed approach could be a beneficial supplement to existing and potential colorimetry-based detection methods.
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Affiliation(s)
- Junjie Feng
- SINOPEC Research Institute of Safety Engineering Co., Ltd., State Key Laboratory of Safety and Control for Chemicals, 339 Songling Road, Qingdao, 266100, China.
| | - Huiyun Jiang
- SINOPEC Research Institute of Safety Engineering Co., Ltd., State Key Laboratory of Safety and Control for Chemicals, 339 Songling Road, Qingdao, 266100, China
| | - Yan Jin
- SINOPEC Research Institute of Safety Engineering Co., Ltd., State Key Laboratory of Safety and Control for Chemicals, 339 Songling Road, Qingdao, 266100, China
| | - Shenghui Rong
- Ocean University of China, School of Electronic Engineering, 238 Songling Road, Qingdao, 266100, China
| | - Shiqiang Wang
- SINOPEC Research Institute of Safety Engineering Co., Ltd., State Key Laboratory of Safety and Control for Chemicals, 339 Songling Road, Qingdao, 266100, China
| | - Haozhi Wang
- SINOPEC Research Institute of Safety Engineering Co., Ltd., State Key Laboratory of Safety and Control for Chemicals, 339 Songling Road, Qingdao, 266100, China
| | - Lin Wang
- SINOPEC Research Institute of Safety Engineering Co., Ltd., State Key Laboratory of Safety and Control for Chemicals, 339 Songling Road, Qingdao, 266100, China
| | - Wei Xu
- SINOPEC Research Institute of Safety Engineering Co., Ltd., State Key Laboratory of Safety and Control for Chemicals, 339 Songling Road, Qingdao, 266100, China
| | - Bing Sun
- SINOPEC Research Institute of Safety Engineering Co., Ltd., State Key Laboratory of Safety and Control for Chemicals, 339 Songling Road, Qingdao, 266100, China.
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8
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Xiong X, Guo C, Yan G, Han B, Wu Z, Chen Y, Xu S, Shao P, Song H, Xu X, Han J. Simultaneous Cross-type Detection of Water Quality Indexes via a Smartphone-App Integrated Microfluidic Paper-Based Platform. ACS OMEGA 2022; 7:44338-44345. [PMID: 36506192 PMCID: PMC9730490 DOI: 10.1021/acsomega.2c05938] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/09/2022] [Indexed: 06/17/2023]
Abstract
Water quality guarantee in remote areas necessitates the development of portable, sensitive, fast, cost-effective, and easy-to-use water quality detection methods. The current work reports on a microfluidic paper-based analytical device (μPAD) integrated with a smartphone app for the simultaneous detection of cross-type water quality parameters including pH, Cu(II), Ni(II), Fe(III), and nitrite. The shapes, baking time, amount, and ratios of reaction reagent mixtures of wax μPAD were optimized to improve the color uniformity and intensity effectively. An easy-to-use smartphone app was established for recording, analyzing, and directly reading the colorimetric signals and target concentrations on μPAD. The results showed that under the optimum conditions, the current analytical platform has reached the detection limits of 0.4, 1.9, 2.9, and 1.1 ppm for nitrite, Cu(II), Ni(II), and Fe(III), respectively, and the liner ranges are 2.3-90 ppm (nitrite), 3.8-400 ppm (Cu(II)), 2.9-1000 ppm (Ni(II)), 2.8-500 ppm (Fe(III)), and 5-9 (pH). The proposed portable smartphone-app integrated μPAD detection system was successfully applied to real industrial wastewater and river water quality monitoring. The proposed method has great potential for field water quality detection.
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Affiliation(s)
- Xiaolu Xiong
- Centre
for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum
Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing100081, China
- Yangtze
Delta Region Academy of Beijing Institute of Technology, Jiaxing314000, China
| | - Chengwang Guo
- Centre
for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum
Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing100081, China
| | - Gengyang Yan
- School
of Computer Science and Technology, Beijing
Institute of Technology, Beijing100081, China
| | - Bingxin Han
- Centre
for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum
Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing100081, China
| | - Zan Wu
- Institute
of Analysis and Testing, Beijing Academy
of Science and Technology, Beijing Center for Physical and Chemical
Analysis, Beijing100089, China
| | - Yueqian Chen
- Centre
for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum
Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing100081, China
| | - Shiqi Xu
- Centre
for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum
Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing100081, China
- Yangtze
Delta Region Academy of Beijing Institute of Technology, Jiaxing314000, China
| | - Peng Shao
- Institute
of Analysis and Testing, Beijing Academy
of Science and Technology, Beijing Center for Physical and Chemical
Analysis, Beijing100089, China
| | - Hong Song
- School
of Computer Science and Technology, Beijing
Institute of Technology, Beijing100081, China
| | - Xiyan Xu
- School
of Chemistry and Chemical Engineering, Beijing
Institute of Technology, Beijing102488, China
| | - Junfeng Han
- Centre
for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum
Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing100081, China
- Yangtze
Delta Region Academy of Beijing Institute of Technology, Jiaxing314000, China
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Xing G, Ai J, Wang N, Pu Q. Recent progress of smartphone-assisted microfluidic sensors for point of care testing. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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10
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Li C, Wan L, Wang N, Chen B, Luo F, Cheng Z, Zhang M. Photothermal Localization in an Optofluidic Microreactor for Rapid Pretreatment toward Online Pollutant Analysis. ACS APPLIED MATERIALS & INTERFACES 2022; 14:40939-40950. [PMID: 36049235 DOI: 10.1021/acsami.2c10261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The realization of high-efficient digestion in a microfluidic reactor is considered to be advantageous for pretreatment toward online pollutant detection. However, it is difficult to achieve satisfactory device performance due to the gap between the low digestion reaction efficiency and the demand for rapid pretreatment for online detection. Herein, we design and manufacture an optofluidic microreactor combined with a MnO2 nanofilm localizing the heat inside the reaction chamber under solar irradiation, which contributes a lot to the on-chip nutrient digestion efficiency enhancement. The overall temperature of the water sample in the reactor chamber can be dramatically increased in a fleeting time of less than 1 s and maintained at 78 °C. The digestion rate constant of the microreactor is improved by about 100 times compared with that obtained by the traditional method in the national standard, which is attributed to temperature enhancement and various oxidation reactions in the heated reaction chamber. Notably, when pretreating the actual total phosphorus water samples, the digestion efficiency is demonstrated to be higher than 95% within 12 s under solar light irradiation. The optofluidic platform brings many benefits to accelerate the various photochemically enhanced reactions using solar light and is extremely adapted for rapid pretreatment of biochemical samples to further develop their online analysis.
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Affiliation(s)
- Chang Li
- National Engineering Research Center for Optical Fiber Sensing Technology and Network, Wuhan University of Technology, Wuhan 430070, China
| | - Liang Wan
- National Engineering Research Center for Optical Fiber Sensing Technology and Network, Wuhan University of Technology, Wuhan 430070, China
| | - Ning Wang
- National Engineering Research Center for Optical Fiber Sensing Technology and Network, Wuhan University of Technology, Wuhan 430070, China
| | - Bolei Chen
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Fangzhou Luo
- National Engineering Research Center for Optical Fiber Sensing Technology and Network, Wuhan University of Technology, Wuhan 430070, China
| | - Zhiliang Cheng
- National Engineering Research Center for Optical Fiber Sensing Technology and Network, Wuhan University of Technology, Wuhan 430070, China
| | - Meng Zhang
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China
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An Optofluidic Monitor with On-Chip Calibration for Online Analyzing Surface Water Quality. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2022. [DOI: 10.1007/s13369-022-07205-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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12
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Catalan-Carrio R, Saez J, Fernández Cuadrado LÁ, Arana G, Basabe-Desmonts L, Benito-Lopez F. Ionogel-based hybrid polymer-paper handheld platform for nitrite and nitrate determination in water samples. Anal Chim Acta 2022; 1205:339753. [DOI: 10.1016/j.aca.2022.339753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/04/2022] [Accepted: 03/20/2022] [Indexed: 11/01/2022]
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13
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Zhao K, Li C, Wan L, Luo F, Cheng Z, Duan J, Wang N. Optofluidic Platform for Rapid On-Chip Analysis of Total Phosphorus in Surface Water Using Absorption Spectrometry. APPLIED SPECTROSCOPY 2022; 76:599-608. [PMID: 35081753 DOI: 10.1177/00037028211069148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Optofluidic devices are of high interest for online monitoring and analyzing biochemical targets in water by integrating the complex on-chip pretreatment of target analytes and spectral analysis. Compared with the traditional bulk equipment, versatile optical detection and biochemical analysis are more easily integrated on an optofluidic chip, which promotes the development of on-chip real-time rapid detection and monitoring. Here, we report an optofluidic platform for online monitoring total phosphorous in water by absorption spectrometry, which naturally combines the merits of both the photo-Fenton effect and microfluidics to realize the rapid on-chip digestion of phosphate at room temperature and normal pressure. The functional cells for chromogenic reaction and optical absorption detection are, respectively, fabricated on the platform to analyze the content of total phosphorus in surface water. In the experiment, the on-chip digestion time of phosphate is dramatically declined to 8.6 sec, and thus, the detection time is greatly shortened to a few minutes. The detection range of total phosphorus is demonstrated as 0.005-1.00 mg L-1, which satisfies the detection requirements of most environmental water samples. Its availability for measuring the total phosphorous in real water samples is also verified. Predictably, this platform is adapted to on-chip analysis of many other biochemical targets in water.
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Affiliation(s)
- Kun Zhao
- National Engineering Research Center of Fiber Optic Sensing Technology and Networks, 12565Wuhan University of Technology, Wuhan, China
| | - Chang Li
- National Engineering Research Center of Fiber Optic Sensing Technology and Networks, 12565Wuhan University of Technology, Wuhan, China
| | - Liang Wan
- National Engineering Research Center of Fiber Optic Sensing Technology and Networks, 12565Wuhan University of Technology, Wuhan, China
| | - Fangzhou Luo
- National Engineering Research Center of Fiber Optic Sensing Technology and Networks, 12565Wuhan University of Technology, Wuhan, China
| | - Zhiliang Cheng
- National Engineering Research Center of Fiber Optic Sensing Technology and Networks, 12565Wuhan University of Technology, Wuhan, China
| | - Jinge Duan
- National Engineering Research Center of Fiber Optic Sensing Technology and Networks, 12565Wuhan University of Technology, Wuhan, China
| | - Ning Wang
- National Engineering Research Center of Fiber Optic Sensing Technology and Networks, 12565Wuhan University of Technology, Wuhan, China
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14
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Wang F, Zhu J, Hu X, Chen L, Zuo Y, Yang Y, Jiang F, Sun C, Zhao W, Han X. Rapid nitrate determination with a portable lab-on-chip device based on double microstructured assisted reactors. LAB ON A CHIP 2021; 21:1109-1117. [PMID: 33527941 DOI: 10.1039/d0lc01057j] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Determining the nitrate levels is critical for water quality monitoring, and traditional methods are limited by high toxicity and low detection efficiency. Here, rapid nitrate determination was realized using a portable device based on innovative three-dimensional double microstructured assisted reactors (DMARs). On-chip nitrate reduction and chromogenic reaction were conducted in the DMARs, and the reaction products then flowed into a PMMA optical detection chip for absorbance measurement. A significant enhancement of reaction rate and efficiency was observed in the DMARs due to their sizeable surface-area-to-volume ratios and hydrodynamics in the microchannels. The highest reduction ratio of 94.8% was realized by optimizing experimental parameters, which is greatly improved compared to conventional zinc-cadmium based approaches. Besides, modular optical detection improves the reliability of the portable device, and a smartphone was used to achieve a portable and convenient nitrate analysis. Different water samples were successfully analysed using the portable device based on DMARs. The results demonstrated that the device features fast detection (115 s per sample), low reagent consumptions (26.8 μL per sample), particularly low consumptions of toxic reagents (0.38 μL per sample), good reproducibility and low relative standard deviations (RSDs, 0.5-1.38%). Predictably, the portable lab-on-chip device based on microstructured assisted reactors will find more applications in the field of water quality monitoring in the near future.
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Affiliation(s)
- Fang Wang
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics & technology, Wuhan University, Wuhan 430072, China.
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