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Peng L, Qian X, Jin Y, Miao X, Deng A, Li J. Ultrasensitive detection of zearalenone based on electrochemiluminescent immunoassay with Zr-MOF nanoplates and Au@MoS 2 nanoflowers. Anal Chim Acta 2024; 1299:342451. [PMID: 38499431 DOI: 10.1016/j.aca.2024.342451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/02/2024] [Accepted: 03/04/2024] [Indexed: 03/20/2024]
Abstract
In this work, an effective competitive-type electrochemiluminescence (ECL) immunosensor was constructed for zearalenone determination by using Zr-MOF nanoplates as the ECL luminophore and Au@MoS2 nanoflowers as the substrate material. Zr-MOF have an ultra-thin sheet-like structure that accelerates the transfer of electrons, ions and co-reactant intermediates, which exhibited strong and stable anodic luminescence. The three-dimensional Au@MoS2 nanoflowers would form a thin film modification layer on the glassy carbon electrode (GCE). And its good electrical conductivity and higher specific surface area utilization further improving the sensitivity of the ECL immunosensor. Under the optimized conditions, the proposed immunosensor exhibited satisfactory stability, sensitivity and accuracy, and its ECL signal was proportional to the logarithm of ZEN concentration (0.0001-100 ng/mL) and the limit of detection (LOD) was 0.034 pg/mL. In addition, the results of recovery experiment acquired for wheat flour and pig urine samples further proved the feasibility of the immunosensor for the detection of real samples, indicating its potential for ultrasensitive detection of ZEN.
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Affiliation(s)
- Lu Peng
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, PR China
| | - Xinyue Qian
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, PR China
| | - Ya Jin
- Department of Biomedical and Pharmaceutical Sicences, Suzhou Chien-shiung Institute of Technology, Taicang, 215411, PR China
| | - Xiangyang Miao
- Department of Biomedical and Pharmaceutical Sicences, Suzhou Chien-shiung Institute of Technology, Taicang, 215411, PR China.
| | - Anping Deng
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, PR China.
| | - Jianguo Li
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, PR China.
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2
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Wang J, Han Z, Shang T, Feng Y, Liu R, Lu X. Artemisinin: a novel chiral electrochemiluminescence luminophore-assisted enantiospecific recognition and mechanism identification. Chem Sci 2024; 15:5581-5588. [PMID: 38638210 PMCID: PMC11023031 DOI: 10.1039/d4sc00277f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 03/05/2024] [Indexed: 04/20/2024] Open
Abstract
Exploring novel electrochemiluminescence (ECL) molecules with high efficiency and good stability in aqueous solutions is crucial for achieving highly sensitive detection of analytes. However, developing chiral luminophores with efficient ECL performance is still a challenge. Herein, we first uncover that artemisinin (ART), a well-known chiral antimalarial drug, features a strong ECL emission at 726 nm with the assistance of a co-reactant potassium persulfate (K2S2O8), and an ECL efficiency of 195.3%, compared to that of standard Ru(bpy)3Cl2/K2S2O8. Mechanistic studies indicate that the strong ECL signal of ART is generated when the excited state formed by the reduction of ART peroxide bonds and combination with persulfate returns to the ground state. Significantly, we found that the ECL sensor based on chiral ART could efficiently identify and detect chiral cysteine (Cys) through ECL signals, with a lower limit of detection of 3.7 nM for l-Cys. Density functional theory calculations and scanning electrochemical microscopy technology further confirm that the disparity in the ECL signals is attributed to the different affinity between chiral ART and d/l-Cys, resulting in distinct electron transfer rates. The study demonstrates a new role of ART in ECL investigation and for the first time, achieves the development of ART for the enantioselective recognition and sensitive detection of chiral substances. This will be of vital significance for ECL and chirality research.
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Affiliation(s)
- Jiangyan Wang
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Zhengang Han
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Tianrui Shang
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Yanjun Feng
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Ruirui Liu
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Xiaoquan Lu
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
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3
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Qi R, Song X, Feng R, Ren X, Ma H, Liu X, Li F, Wei Q. Ultrasensitive Electrochemiluminescence Biosensor Based on Efficient Signal Amplification of Copper Nanoclusters Induced by CaMnO 3 for CD44 Trace Detection. Anal Chem 2024; 96:4969-4977. [PMID: 38486396 DOI: 10.1021/acs.analchem.4c00019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Metal nanoclusters (Me NCs) have become a research hotspot in the field of electrochemiluminescence (ECL) sensing analysis. This is primarily attributed to their excellent luminescent properties and biocompatibility along with their easy synthesis and labeling characteristics. At present, the application of Me NCs in ECL mainly focuses on precious metals, whose high cost, to some extent, limits their widespread application. In this work, Cu NCs with cathode ECL emissions in persulfate (S2O82-) were prepared as signal probes using glutathione as ligands, which exhibited stable luminescence signals and high ECL efficiency. At the same time, CaMnO3 was introduced as a co-reaction promoter to increase the ECL responses of Cu NCs, thereby further expanding their application potential in biochemical analysis. Specifically, the reversible conversion of Mn3+/Mn4+ greatly promoted the generation of sulfate radicals (SO4•-), providing a guarantee for improving the luminescence signals of Cu NCs. Furthermore, a short peptide (NARKFYKGC) was introduced to enable the fixation of antibodies to specific targets, preventing the occupancy of antigen-binding sites (Fab fragments). Therefore, the sensitivity of the biosensor could be significantly enhanced by releasing additional Fab fragments. Considering the approaches discussed above, the constructed biosensor could achieve sensitive detection of CD44 over a broad range (10 fg/mL-100 ng/mL), with an ultralow detection limit of 3.55 fg/mL (S/N = 3), which had valuable implications for the application of nonprecious Me NCs in biosensing analysis.
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Affiliation(s)
- Rongjing Qi
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China
| | - Xianzhen Song
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education; Shandong Key Laboratory of Biochemical Analysis; Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Rui Feng
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China
| | - Xiang Ren
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China
| | - Hongmin Ma
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China
| | - Xuejing Liu
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China
| | - Faying Li
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271016, China
| | - Qin Wei
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
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4
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Wu Q, Jiang QQ, Li YJ, Wang YA, Wang X, Liang RP, Qiu JD. σ-Hole Effect-Induced Electroluminescence of Halogen Cocrystals for Determination of Iodide in Seawater. Anal Chem 2024; 96:4623-4631. [PMID: 38456770 DOI: 10.1021/acs.analchem.3c05632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Developing new electrochemiluminescence (ECL) luminators with high stability, wide applicability, and strong designability is of great strategic significance to promote the ECL field to the frontier. Here, driven by the I···N bond, 1,3,5-trifluoro-2,4,6-triiodobenzene (TFTI) and 2,4,6-trimethyl-1,3,5-triazine (TMT) self-assembled into a novel halogen cocrystal (TFTI-TMT) through slow solution volatilization. Significant difference of charge density existed between the N atoms on TMT and the σ-hole of the I atoms on TFTI. Upon the induction of σ-hole effect, high-speed and spontaneous charge transferring from TMT to the σ-hole of TFTI occurred, stimulating exciting ECL signals. Besides, the σ-hole of the I atoms could capture iodine ions specifically, which blocked the original charge transfer from the N atoms to the σ-hole, causing the ECL signal of TFTI-TMT to undergo a quenching rate as high as 92.9%. Excitingly, the ECL sensing of TFTI-TMT toward I- possessed a wide linear range (10-5000 nM) and ultralow detection limit (3 nM) in a real water sample. The halogen cocrystal strategy makes σ-hole a remarkable new viewpoint of ECL luminator design and enables ECL analysis technology to contribute to addressing the environmental and health threats posed by iodide pollution.
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Affiliation(s)
- Qiong Wu
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Qiao-Qiao Jiang
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Ya-Jie Li
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Ying-Ao Wang
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Xun Wang
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Ru-Ping Liang
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Jian-Ding Qiu
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
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5
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Louw CJ, de Haan P, Verpoorte E, Baker P. Efficient Electrochemiluminescence Sensing in Microfluidic Biosensors: A Review. Crit Rev Biomed Eng 2024; 52:41-62. [PMID: 38523440 DOI: 10.1615/critrevbiomedeng.2023049565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
Microfluidic devices are capable of handling 10-9 L to 10-18 L of fluids by incorporating tiny channels with dimensions of ten to hundreds of micrometers, and they can be fabricated using a wide range of materials including glass, silicon, polymers, paper, and cloth for tailored sensing applications. Microfluidic biosensors integrated with detection methods such as electrochemiluminescence (ECL) can be used for the diagnosis and prognosis of diseases. Coupled with ECL, these tandem devices are capable of sensing biomarkers at nanomolar to picomolar concentrations, reproducibly. Measurement at this low level of concentration makes microfluidic electrochemiluminescence (MF-ECL) devices ideal for biomarker detection in the context of early warning systems for diseases such as myocardial infarction, cancer, and others. However, the technology relies on the nature and inherent characteristics of an efficient luminophore. The luminophore typically undergoes a redox process to generate excited species which emit energy in the form of light upon relaxation to lower energy states. Therefore, in biosensor design the efficiency of the luminophore is critical. This review is focused on the integration of microfluidic devices with biosensors and using electrochemiluminescence as a detection method. We highlight the dual role of carbon quantum dots as a luminophore and co-reactant in electrochemiluminescence analysis, drawing on their unique properties that include large specific surface area, easy functionalization, and unique luminescent properties.
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Affiliation(s)
- Clementine Juliat Louw
- SensorLab, Chemistry Department, University of the Western Cape, Cape Town, South Africa; Pharmaceutical Analysis, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, the Netherlands
| | - Pim de Haan
- Pharmaceutical Analysis, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, the Netherlands
| | - Elisabeth Verpoorte
- Pharmaceutical Analysis, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, the Netherlands
| | - Priscilla Baker
- Department of Chemistry, University of the Western Cape Bellville, 7535, Republic of South Africa
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6
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Zhou Y, Dong J, Mao Z, Zhao Y, Li L. A novel efficient intramolecular self-enhanced water-soluble iridium-based electrochemiluminescence reagent and its analytical application in aptamer sensor. Anal Chim Acta 2023; 1278:341694. [PMID: 37709446 DOI: 10.1016/j.aca.2023.341694] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/06/2023] [Accepted: 08/07/2023] [Indexed: 09/16/2023]
Abstract
In order to overcome the poor solubilities of iridium-based ECL luminophores and explore self-enhanced ECL luminophores, polyethyleneimine (PEI) covalently linked with iridium complex via amide bonds (abbreviated as Ir-PEI) as a new novel intramolecular self-enhanced water-soluble ECL reagent has been unprecedently designed and successfully synthesized in this work. The chemical structure data, FT-IR spectra, photophysical, electrochemical and electrochemiluminescence of this new ECL reagent have been well characterized. In addition, in order to investigate its properties in the real applications, a corresponding new sensitive and specific ECL-based aptasensor to monitor tetracycline (TET) residues in honey and lake water has been further constructed based on this novel self-enhanced reagent of Ir-PEI in this work. This as-prepared intramolecular self-enhanced water-soluble of Ir-PEI illustrated in this work would pave a new avenue to promote the analytical applications of iridium-based ECL luminophores in the future.
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Affiliation(s)
- Yuyang Zhou
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, 215009, China.
| | - Jianhua Dong
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Ziwang Mao
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Yibo Zhao
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Liangzhi Li
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, 215009, China
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7
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Shelash Al-Hawary SI, Malviya J, Althomali RH, Almalki SG, Kim K, Romero-Parra RM, Fahad Ahmad A, Sanaan Jabbar H, Vaseem Akram S, Hussien Radie A. Emerging Insights into the Use of Advanced Nanomaterials for the Electrochemiluminescence Biosensor of Pesticide Residues in Plant-Derived Foodstuff. Crit Rev Anal Chem 2023:1-18. [PMID: 37728973 DOI: 10.1080/10408347.2023.2258971] [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: 09/22/2023]
Abstract
Pesticides have an important role in rising the overall productivity and yield of agricultural foods by eliminating and controlling insects, pests, fungi, and various plant-related illnesses. However, the overuse of pesticides has caused pesticide pollution of water bodies and food products, along with disruption of environmental and ecological systems. In this regard, developing low-cost, simple, and rapid-detecting approaches for the accurate, rapid, efficient, and on-site screening of pesticide residues is an ongoing challenge. Electrochemiluminescence (ECL) possesses the benefits of great sensitivity, the capability to resolve several analytes using different emission wavelengths or redox potentials, and excellent control over the light radiation in time and space, making it a powerful strategy for sensing various pesticides. Cost-effective and simple ECL systems allow sensitive, selective, and accurate quantification of pesticides in agricultural fields. Particularly, the development and progress of nanomaterials, aptamer/antibody recognition, electric/photo-sensing, and their integration with electrochemiluminescence sensing technology has presented the hopeful potential in reporting the residual amounts of pesticides. Current trends in the application of nanoparticles are debated, with an emphasis on sensor substrates using aptamer, antibodies, enzymes, and molecularly imprinted polymers (MIPs). Different strategies are enclosed in labeled and label-free sensing along with luminescence determination approaches (signal-off, signal-on, and signal-switch modes). Finally, the recent challenges and upcoming prospects in this ground are also put forward.
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Affiliation(s)
| | - Jitendra Malviya
- Department of Life Sciences & Biological Sciences, IES University, Bhopal, India
| | - Raed H Althomali
- Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sami G Almalki
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, Saudi Arabia
| | - Kibum Kim
- Department of Human-Computer Interaction, Hanyang University, Seoul, South Korea
| | | | - Ahmad Fahad Ahmad
- Department of Radiology, College of Health and Medical Technology, Al-Ayen University, Thi-Qar, Iraq
| | - Hijran Sanaan Jabbar
- Department of Chemistry, College of Science, Salahaddin University-Erbil, Erbil, Iraq
| | - Shaik Vaseem Akram
- Division of Research & Innovation, Uttaranchal Institute of Technology, Uttaranchal University, Dehradun, India
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Moon CK, Butscher JF, Gather MC. An Exciplex-Based Light-Emission Pathway for Solution-State Electrochemiluminescent Devices. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302544. [PMID: 37308129 DOI: 10.1002/adma.202302544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/30/2023] [Indexed: 06/14/2023]
Abstract
Electrochemiluminescence (ECL) allows the design of unique light-emitting devices that use organic semiconductors in a liquid or gel state, which allows for simpler and more sustainable device fabrication and facilitates unconventional device form-factors. Compared to solid-state organic LEDs, ECL devices (ECLDs) have attracted less attention due to their currently much lower performance. ECLD operation is typically based on an annihilation pathway that involves electron transfer between reduced and oxidized luminophore species; the intermediate radical ions produced during annihilation dramatically reduce device stability. Here, the effects of radical ions are mitigated by an exciplex formation pathway and a remarkable improvement in luminance, luminous efficacy, and operational lifetime is demonstrated. Electron donor and acceptor molecules are dissolved at high concentrations and recombined as an exciplex upon their oxidization/reduction. The exciplex then transfers its energy to a nearby dye, allowing the dye to emit light without undergoing oxidation/reduction. Furthermore, the application of a mesoporous TiO2 electrode increases the contact area and hence the number of molecules participating in ECL , thereby obtaining devices with a very high luminance of 3790 cd m-2 and a 30-fold improved operational lifetime. This study paves the way for the development of ECLDs into highly versatile light sources.
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Affiliation(s)
- Chang-Ki Moon
- Humboldt Centre for Nano- and Biophotonics, Department of Chemistry, University of Cologne, Greinstr. 4-6, 50939, Köln, Germany
- Organic Semiconductor Centre, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, KY16 9SS, UK
| | - Julian F Butscher
- Humboldt Centre for Nano- and Biophotonics, Department of Chemistry, University of Cologne, Greinstr. 4-6, 50939, Köln, Germany
- Organic Semiconductor Centre, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, KY16 9SS, UK
| | - Malte C Gather
- Humboldt Centre for Nano- and Biophotonics, Department of Chemistry, University of Cologne, Greinstr. 4-6, 50939, Köln, Germany
- Organic Semiconductor Centre, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, KY16 9SS, UK
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Deng Z, Tan X, Guo D, Zhang J, Xu D, Hou X, Wang S, Zhang J, Wei F, Zhang D. MXene-sensitized electrochemiluminescence sensor for thrombin activity detection and inhibitor screening. Mikrochim Acta 2023; 190:328. [PMID: 37495854 DOI: 10.1007/s00604-023-05906-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/07/2023] [Indexed: 07/28/2023]
Abstract
Thrombin, a crucial enzyme involved in blood coagulation and associated diseases, requires accurate detection of its activity and screening of inhibitors for clinical diagnosis and drug discovery. To address this, an electrochemiluminescence (ECL) method was developed to detect thrombin activity based on the sensitization of Ti3C2Tx MXene, which could sensitize the Ru(bpy)32+ ECL system greatly. The thrombin-cleavable substrate bio-S-G-R-P-V-L-G-C was used as recognizer to evaluate the activity of thrombin. Under the optimal conditions, the limit of detection for thrombin in serum was 83 pU/mL (S/N = 3) with a linear range from 0.1 nU/mL to 1 µU/mL. Moreover, the developed ECL biosensor was employed to screen for thrombin inhibitors from Artemisiae argyi Folium. Four potential thrombin inhibitors (isoquercitrin, nepetin, L-camphor, L-borneol) were screened out with inhibition rates beyond 50%, among which isoquercitrin had the best inhibition rate of 90.26%. Isoquercitrin and nepetin were found to be competitive inhibitors of thrombin, with [Formula: see text] values of 0.91 μM and 2.18 μM, respectively. Molecular docking results showed that these compounds could interact with the active sites of thrombin through hydrogen bonds including ASP189, SER195, GLY216, and GLY219. The electrochemical biosensor constructed provides a new idea for the detection of thrombin activity and screening of its inhibitors.
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Affiliation(s)
- Zijie Deng
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China
| | - Xueping Tan
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China
| | - Dongnan Guo
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China
| | - Jing Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China
| | - Dan Xu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China
| | - Xiaofang Hou
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China.
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China.
| | - Sicen Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China.
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China.
| | - Junbo Zhang
- Department of Peripheral Vascular Disease, The First Affiliated Hospital of the Medical College of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an, 710061, China.
| | - Fen Wei
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China
| | - Dongdong Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, China
- Shaanxi Engineering Research Center of Cardiovascular Drugs Screening and Analysis, Xi'an, 710061, China
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10
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Althomali RH, Hamoud Alshahrani S, Qasim Almajidi Y, Kamal Hasan W, Gulnoza D, Romero-Parra RM, Abid MK, Radie Alawadi AH, Alsalamyh A, Juyal A. Current Trends in Nanomaterials-Based Electrochemiluminescence Aptasensors for the Determination of Antibiotic Residues in Foodstuffs: A Comprehensive Review. Crit Rev Anal Chem 2023:1-17. [PMID: 37480552 DOI: 10.1080/10408347.2023.2238059] [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: 07/24/2023]
Abstract
Veterinary pharmaceuticals have been recently recognized as newly emerging environmental contaminants. Indeed, because of their uncontrolled or overused disposal, we are now facing undesirable amounts of these constituents in foodstuff and its related human health concerns. In this context, developing a well-organized environmental and foodstuff screening toward antibiotic levels is of paramount importance to ensure the safety of food products as well as human health. In this case, with the development and progress of electric/photo detecting, nanomaterials, and nucleic acid aptamer technology, their incorporation-driven evolving electrochemiluminescence aptasensing strategy has presented the hopeful potentials in identifying the residual amounts of different antibiotics toward sensitivity, economy, and practicality. In this context, we reviewed the up-to-date development of ECL aptasensors with aptamers as recognition elements and nanomaterials as the active elements for quantitative sensing the residual antibiotics in foodstuff and agriculture-related matrices, dissected the unavoidable challenges, and debated the upcoming prospects.
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Affiliation(s)
- Raed H Althomali
- Department of Chemistry, College of Arts and Science, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | | | | | - Wajeeh Kamal Hasan
- Department of Radiology and Sonar Technologies, Al Rafidain University College, Bagdad, Iraq
| | - Djakhangirova Gulnoza
- Department of Food Products Technology, Tashkent Institute of Chemical Technology, Tashkent, Uzbekistan
| | | | - Mohammed Kadhem Abid
- Department of Anesthesia, College of Health & Medical Technology, Al-Ayen University, Thi-Qar, Iraq
| | | | - Ali Alsalamyh
- College of Technical Engineering, Imam Jafar Al-Sadiq University, Al-Muthanna, Iraq
| | - Ashima Juyal
- Division of Research & Innovation, Uttaranchal University, Dehradun, Uttarakhand, India
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11
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Mwanza C, Ding SN. Newly Developed Electrochemiluminescence Based on Bipolar Electrochemistry for Multiplex Biosensing Applications: A Consolidated Review. BIOSENSORS 2023; 13:666. [PMID: 37367031 DOI: 10.3390/bios13060666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/16/2023] [Accepted: 06/16/2023] [Indexed: 06/28/2023]
Abstract
Recently, there has been an upsurge in the extent to which electrochemiluminescence (ECL) working in synergy with bipolar electrochemistry (BPE) is being applied in simple biosensing devices, especially in a clinical setup. The key objective of this particular write-up is to present a consolidated review of ECL-BPE, providing a three-dimensional perspective incorporating its strengths, weaknesses, limitations, and potential applications as a biosensing technique. The review encapsulates critical insights into the latest and novel developments in the field of ECL-BPE, including innovative electrode designs and newly developed, novel luminophores and co-reactants employed in ECL-BPE systems, along with challenges, such as optimization of the interelectrode distance, electrode miniaturization and electrode surface modification for enhancing sensitivity and selectivity. Moreover, this consolidated review will provide an overview of the latest, novel applications and advances made in this field with a bias toward multiplex biosensing based on the past five years of research. The studies reviewed herein, indicate that the technology is rapidly advancing at an outstanding purse and has an immense potential to revolutionize the general field of biosensing. This perspective aims to stimulate innovative ideas and inspire researchers alike to incorporate some elements of ECL-BPE into their studies, thereby steering this field into previously unexplored domains that may lead to unexpected, interesting discoveries. For instance, the application of ECL-BPE in other challenging and complex sample matrices such as hair for bioanalytical purposes is currently an unexplored area. Of great significance, a substantial fraction of the content in this review article is based on content from research articles published between the years 2018 and 2023.
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Affiliation(s)
- Christopher Mwanza
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
- Chemistry Department, University of Zambia, Lusaka 10101, Zambia
| | - Shou-Nian Ding
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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12
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Li Y, Gao X, Fang Y, Cui B, Shen Y. Nanomaterials-driven innovative electrochemiluminescence aptasensors in reporting food pollutants. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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13
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Afshary H, Amiri M, Marken F, McKeown NB, Amiri M. ECL sensor for selective determination of citrate ions as a prostate cancer biomarker using polymer of intrinsic microporosity-1 nanoparticles/nitrogen-doped carbon quantum dots. Anal Bioanal Chem 2023; 415:2727-2736. [PMID: 37042993 DOI: 10.1007/s00216-023-04672-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 04/13/2023]
Abstract
Urine citrate analysis is relevant in the screening and monitoring of patients with prostate cancer and calcium nephrolithiasis. A sensitive, fast, easy, and low-maintenance electrochemiluminescence (ECL) method with conductivity detection for the analysis of citrate in urine is developed and validated by employing polymer of intrinsic microporosity-1 nanoparticles/nitrogen-doped carbon quantum dots (nano-PIM-1/N-CQDs). Using optimum conditions, the sensor was applied in ECL experiments in the presence of different concentrations of citrate ions. The ECL signals were quenched gradually by the increasing citrate concentration. The linear range of the relationship between the logarithm of the citrate concentration and ΔECL (ECL of blank - ECL of sample) was obtained between 1.0 × 10-7 M and 5.0 × 10-4 M. The limit of detection (LOD) was calculated to be 2.2 × 10-8 M (S/N = 3). The sensor was successfully applied in real samples such as human serum and patient urine.
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Affiliation(s)
- Hosein Afshary
- Department of Chemistry, University of Mohaghegh Ardabili, Ardabil, 59166-11367, Iran
| | - Mandana Amiri
- Department of Chemistry, University of Mohaghegh Ardabili, Ardabil, 59166-11367, Iran.
| | - Frank Marken
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK
| | - Neil B McKeown
- School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ, UK
| | - Mahdi Amiri
- Imam Hossein Hospital, Social Security Organization, Zanjan Branch, Zanjan, Iran
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14
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Kowalczyk A, Zarychta J, Lejman M, Zawitkowska J. Electrochemical and Optical Sensors for the Detection of Chemical Carcinogens Causing Leukemia. SENSORS (BASEL, SWITZERLAND) 2023; 23:3369. [PMID: 37050429 PMCID: PMC10098728 DOI: 10.3390/s23073369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
The incidence and mortality due to neoplastic diseases have shown an increasing tendency over the years. Based on GLOBOCAN 2020 published by the International Agency for Research on Cancer (IARC), leukemias are the thirteenth most commonly diagnosed cancer in the world, with 78.6% of leukemia cases diagnosed in countries with a very high or high Human Development Index (HDI). Carcinogenesis is a complex process initiated by a mutation in DNA that may be caused by chemical carcinogens present in polluted environments and human diet. The IARC has identified 122 human carcinogens, e.g., benzene, formaldehyde, pentachlorophenol, and 93 probable human carcinogens, e.g., styrene, diazinone. The aim of the following review is to present the chemical carcinogens involved or likely to be involved in the pathogenesis of leukemia and to summarize the latest reports on the possibility of detecting these compounds in the environment or food with the use of electrochemical sensors.
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Affiliation(s)
- Adrian Kowalczyk
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
| | - Julia Zarychta
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
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15
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Qin X, Yang L, Zhan Z, Cieplechowicz E, Chu K, Zhang C, Jahanghiri S, Welch GC, Ding Z. A graphene-like N-annulated perylene diimide dimer compound for highly efficient electrochemiluminescence. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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16
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Wu K, Zheng Y, Chen R, Zhou Z, Liu S, Shen Y, Zhang Y. Advances in electrochemiluminescence luminophores based on small organic molecules for biosensing. Biosens Bioelectron 2023; 223:115031. [PMID: 36571992 DOI: 10.1016/j.bios.2022.115031] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
Electrochemiluminescence (ECL) has several advantages, such as a near-zero background signal, high sensitivity, wide dynamic range, simplicity, and is widely used for sensing, imaging, and single cell analysis. ECL luminophores are the key factors in the performance of various applications. Among various luminophores, small organic luminophores exhibit many intriguing features including good biocompatibility, facile modification, well-defined molecular structure, and sustainable raw materials, making small organic luminophores attractive for the use in the ECL field. Although many great achievements have been made in the synthesis of new small organic luminophores, solving various challenges, and expanding new applications, there are almost no comprehensive reviews on small organic ECL luminophores. In this review, we briefly introduce the advantages and emission mechanisms of small organic ECL luminophores, summarize the main types, molecular characteristics, and ECL properties of most existing small organic ECL luminophores, and present the important applications and design principles in sensors, imaging, single cell analysis, sterilization, and other fields. Finally, the challenges and outlook of organic ECL luminophores to be popularized in biosensing applications are also discussed.
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Affiliation(s)
- Kaiqing Wu
- School of Chemistry and Chemical Engineering, Medical School, Southeast University, Nanjing, 210009, China
| | - Yongjun Zheng
- School of Chemistry and Chemical Engineering, Medical School, Southeast University, Nanjing, 210009, China
| | - Ran Chen
- School of Chemistry and Chemical Engineering, Medical School, Southeast University, Nanjing, 210009, China
| | - Zhixin Zhou
- School of Chemistry and Chemical Engineering, Medical School, Southeast University, Nanjing, 210009, China.
| | - Songqin Liu
- School of Chemistry and Chemical Engineering, Medical School, Southeast University, Nanjing, 210009, China
| | - Yanfei Shen
- School of Chemistry and Chemical Engineering, Medical School, Southeast University, Nanjing, 210009, China
| | - Yuanjian Zhang
- School of Chemistry and Chemical Engineering, Medical School, Southeast University, Nanjing, 210009, China.
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17
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Shen Y, Gao X, Lu HJ, Nie C, Wang J. Electrochemiluminescence-based innovative sensors for monitoring the residual levels of heavy metal ions in environment-related matrices. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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18
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Zhan Z, Qin X, Chu K, Sun X, Ding H. Absolute Quantum Efficiencies for Electrochemiluminescence and Chemiluminescence of Protoporphyrin IX Dimethyl Ester**. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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19
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Yang Q, Huang X, Gao B, Gao L, Yu F, Wang F. Advances in electrochemiluminescence for single-cell analysis. Analyst 2022; 148:9-25. [PMID: 36475529 DOI: 10.1039/d2an01159j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recent years have witnessed the emergence of innovative analytical methods with high sensitivity and spatiotemporal resolution that allowed qualitative and quantitative analysis to be carried out at single-cell and subcellular levels. Electrochemiluminescence (ECL) is a unique chemiluminescence of high-energy electron transfer triggered by electrical excitation. The ingenious combination of electrochemistry and chemiluminescence results in the distinct advantages of high sensitivity, a wide dynamic range and good reproducibility. Specifically, single-cell ECL (SCECL) analysis with excellent spatiotemporal resolution has emerged as a promising toolbox in bioanalysis for revealing individual cells' heterogeneity and stochastic processes. This review focuses on advances in SCECL analysis and bioimaging. The history and recent advances in ECL probes and strategies for system design are briefly reviewed. Subsequently, the latest advances in representative SCECL analysis techniques for bioassays, bioimaging and therapeutics are also highlighted. Then, the current challenges and future perspectives are discussed.
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Affiliation(s)
- Qian Yang
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China. .,Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China.
| | - Xiaoyu Huang
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Beibei Gao
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Lu Gao
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Feng Yu
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China.
| | - Fu Wang
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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20
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Mohan B, Kumar S, Kumar V, Jiao T, Sharma HK, Chen Q. Electrochemiluminescence metal-organic frameworks biosensing materials for detecting cancer biomarkers. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116735] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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Sobhanie E, Salehnia F, Xu G, Hamidipanah Y, Arshian S, Firoozbakhtian A, Hosseini M, Ganjali MR, Hanif S. Recent trends and advancements in electrochemiluminescence biosensors for human virus detection. Trends Analyt Chem 2022; 157:116727. [PMID: 35815064 PMCID: PMC9254503 DOI: 10.1016/j.trac.2022.116727] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 06/23/2022] [Accepted: 06/28/2022] [Indexed: 11/07/2022]
Abstract
Researchers are constantly looking to find new techniques of virus detection that are sensitive, cost-effective, and accurate. Additionally, they can be used as a point-of-care (POC) tool due to the fact that the populace is growing at a quick tempo, and epidemics are materializing greater often than ever. Electrochemiluminescence-based (ECL) biosensors for the detection of viruses have become one of the most quickly developing sensors in this field. Thus, we here focus on recent trends and developments of these sensors with regard to virus detection. Also, quantitative analysis of various viruses (e.g., Influenza virus, SARS-CoV-2, HIV, HPV, Hepatitis virus, and Zika virus) with a specific interest in Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) was introduced from the perspective of the biomarker and the biological receptor immobilized on the ECL-based sensors, such as nucleic acids-based, immunosensors, and other affinity ECL biosensors.
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Affiliation(s)
- Ebtesam Sobhanie
- Nanobiosensors Lab, Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Foad Salehnia
- Departament d'Enginyeria Electrònica, Escola Tècnica Superior d'Enginyeria, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007, Tarragona, Spain
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Yalda Hamidipanah
- Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, Tehran, Iran
| | - Shayesteh Arshian
- Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, Tehran, Iran
| | - Ali Firoozbakhtian
- Nanobiosensors Lab, Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Morteza Hosseini
- Nanobiosensors Lab, Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Mohammad Reza Ganjali
- Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, Tehran, Iran.,National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Saima Hanif
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Islamabad, Pakistan
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22
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Hanif S, Dong Z, John P, Abdussalam A, Hui P, Snizhko D, Ibrahim Halawa M, Xu G, Dong S. Regenerable sensor based on tris(4,7'-diphenyl-1,10-phenanthroline)ruthenium (II) for anodic and cathodic electrochemiluminescence applications. Bioelectrochemistry 2022; 149:108313. [DOI: 10.1016/j.bioelechem.2022.108313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 10/16/2022] [Accepted: 10/20/2022] [Indexed: 11/02/2022]
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23
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Kim JH, Choi J, Kim J, Kim J. Enhanced near-infrared electrochemiluminescence of Au nanoclusters treated with piperidine. Bioelectrochemistry 2022; 147:108192. [DOI: 10.1016/j.bioelechem.2022.108192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 11/02/2022]
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24
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Yoo SM, Jeon YM, Heo SY. Electrochemiluminescence Systems for the Detection of Biomarkers: Strategical and Technological Advances. BIOSENSORS 2022; 12:bios12090738. [PMID: 36140123 PMCID: PMC9496345 DOI: 10.3390/bios12090738] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 01/03/2023]
Abstract
Electrochemiluminescence (ECL)-based sensing systems rely on light emissions from luminophores, which are generated by high-energy electron transfer reactions between electrogenerated species on an electrode. ECL systems have been widely used in the detection and monitoring of diverse, disease-related biomarkers due to their high selectivity and fast response times, as well as their spatial and temporal control of luminance, high controllability, and a wide detection range. This review focuses on the recent strategic and technological advances in ECL-based biomarker detection systems. We introduce several sensing systems for medical applications that are classified according to the reactions that drive ECL signal emissions. We also provide recent examples of sensing strategies and technologies based on factors that enhance sensitivity and multiplexing abilities as well as simplify sensing procedures. This review also discusses the potential strategies and technologies for the development of ECL systems with an enhanced detection ability.
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25
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Lin LH, Wang JY, You CY, Qiu LH, Lin JS, Zhang FL, Yang ZL, Zhang YJ, Chen X, Li JF. Shell-Isolated Nanoparticle-Enhanced Electrochemiluminescence. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2203513. [PMID: 36008122 DOI: 10.1002/smll.202203513] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 08/03/2022] [Indexed: 06/15/2023]
Abstract
Enhanced electrochemiluminescence (ECL) aims to promote higher sensitivity and obtain better detection limit. The core-shell nanostructures, owing to unique surface plasmon resonance (SPR) enabling distance-dependent strong localized electromagnetic field, have attracted rising attention in enhanced ECL research and application. However, the present structures usually with porous shell involve electrocatalytic activity from the metal core and adsorption effect from the shell, which interfere with practical SPR enhancement contribution to ECL signal. Herein, to exclude the interference and unveil exact SPR-enhanced effect, shell-isolated nanoparticles (SHINs) whose shell gets thicker and becomes pinhole-free are developed by modifying pH value and particles concentration. Furthermore, allowing for the distribution of hotspots and stronger enhancement, excitation intensity and ECL reaction layer thickness are mainly investigated, and several types of SHINs-enhanced ECL platforms are prepared to fabricate distinct hotspot distribution via electrostatic attraction (submonolayer) and a layer-by-layer deposition method (monolayer). Consequently, the strongest enhancement up to ≈250-fold is achieved by monolayer SHINs with 10 nm shell, and the platform is applied in a "turn-off" mode sensing for dopamine. The platform provides new guidelines to shell preparation, interface engineering and hotspots fabrication for superior ECL enhancement and analytical application with high performance.
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Affiliation(s)
- Long-Hui Lin
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, College of Energy, iChEM, Department of Physics, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
| | - Jing-Yu Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, College of Energy, iChEM, Department of Physics, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
| | - Chao-Yu You
- Intelligent Wearable Engineering Research Center of Qingdao, State Key Laboratory of Bio-Fibers and Eco-Textiles, Research Center for Intelligent and Wearable Technology, College of Textiles and Clothing, Qingdao University, Qingdao, 266003, China
| | - Ling-Hang Qiu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, College of Energy, iChEM, Department of Physics, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
| | - Jia-Sheng Lin
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, College of Energy, iChEM, Department of Physics, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
| | - Fan-Li Zhang
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, China
| | - Zhi-Lin Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, College of Energy, iChEM, Department of Physics, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
| | - Yue-Jiao Zhang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, College of Energy, iChEM, Department of Physics, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
| | - Xi Chen
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, College of Energy, iChEM, Department of Physics, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
| | - Jian-Feng Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, College of Energy, iChEM, Department of Physics, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen, 361005, China
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26
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He S, Wang X, Xiang G, Lac K, Wang C, Ding Z. Enhanced Electrochemiluminescence of A Macrocyclic Tetradentate Chelate Pt(II) Molecule via Its Collisional Interactions with the Electrode. Chem Asian J 2022; 17:e202200727. [PMID: 35997551 DOI: 10.1002/asia.202200727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/22/2022] [Indexed: 11/11/2022]
Abstract
A macrocyclic tetradentate chelate Pt(II) molecule (Pt1) served as an excellent luminophore in electrochemiluminescence (ECL) processes. The blue ECL of Pt1/S2O82- coreactant system in N,N'-dimethylformamide was found to be 46 times higher than that of the Ru(bpy)2+/S2O82- system or 30 times higher than that of the 9,10-diphenylanthracene/S2O82- system. The unprecedented high ECL quantum efficiencies were caused by the cyclic generation of monomer excited states through collisional interactions of Pt1 molecules with the electrode at an elevated frequency. The ECL is tunable from bright blue to pure white by simply changing the solvent from N,N'-dimethylformamide to dichloromethane. The white ECL of Pt(II) molecule was reported for the first time and the mechanism was proposed to be the simultaneous emissions from the monomer excited state (blue) and excimer (red).
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Affiliation(s)
- Shuijian He
- Nanjing Forestry University, College of Materials Science and Engineering, CHINA
| | | | | | - Kevin Lac
- Western University, Chemistry, CANADA
| | - Changshui Wang
- Nanjing Forestry University, College of Materials Science and Engineering, CHINA
| | - Zhifeng Ding
- University of Western Ontario, Chemistry, 1151 Richmond St, N6A5B7, London, CANADA
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27
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Hosseini M, Hashemian E, Salehnia F, Ganjali MR. Turn-on electrochemiluminescence sensing of melatonin based on graphitic carbon nitride nanosheets. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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28
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Kim KM, Kim J, Kim J, Hong JI. Efficient blue organic electrochemiluminescence luminophore based on a pyrenyl-phenanthroimidazole conjugate. Chem Commun (Camb) 2022; 58:7542-7545. [PMID: 35703380 DOI: 10.1039/d2cc01762h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A pyrenyl-phenanthroimidazole (Py-PI) conjugate emitted strong blue electrochemiluminescence (ECL) emission via the reductive-oxidation co-reactant pathway, with an ECL efficiency 3.3 times higher than that of the 9,10-diphenylanthracene (DPA) reference compound.
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Affiliation(s)
- Kwang-Myeong Kim
- Department of Chemistry, College of National Sciences, Seoul National University, Seoul 08826, Korea.
| | - Jiwoo Kim
- Department of Chemistry, Research Institute for Basic Sciences, KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Korea.
| | - Joohoon Kim
- Department of Chemistry, Research Institute for Basic Sciences, KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Korea.
| | - Jong-In Hong
- Department of Chemistry, College of National Sciences, Seoul National University, Seoul 08826, Korea.
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29
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30
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Lv X, Li Y, Cui B, Fang Y, Wang L. Electrochemiluminescent sensor based on an aggregation-induced emission probe for bioanalytical detection. Analyst 2022; 147:2338-2354. [PMID: 35510524 DOI: 10.1039/d2an00349j] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In recent years, with the rapid development of electrochemiluminescence (ECL) sensors, more luminophores have been designed to achieve high-throughput and reliable analysis. Impressively, after the proposed fantastic concept of "aggregation-induced electrochemiluminescence (AIECL)" by Cola, the application of AIECL emitters provides more abundant choices for the further improvement of ECL sensors. In this review, we briefly report the phenomenon, principle and representative applications of aggregation-induced emission (AIE) and AIECL emitters. Moreover, it is noteworthy that the cases of AIECL sensors for bioanalytical detection are summarized in detail, from 2017 to now. Finally, inspired by the applications of AIECL emitters, relevant prospects and challenges for AIECL sensors are proposed, which is of great significance for exploring more advanced bioanalytical detection technology.
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Affiliation(s)
- Xiaoyi Lv
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, China.
| | - Yanping Li
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, China.
| | - Bo Cui
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, China.
| | - Yishan Fang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, China.
| | - Lishi Wang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China
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31
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Luo W, Ye Z, Song D, Ma P. A sensitive electrochemiluminescent sensor chip based on ssDNA-Ru (II) complex and aptamer for the determination of thrombin. LUMINESCENCE 2022; 37:980-986. [PMID: 35411721 DOI: 10.1002/bio.4248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 11/06/2022]
Abstract
In this work, an electrochemiluminescence (ECL) sensor chip for sensitive detection of thrombin (TB) was prepared using a screen-printed electrode (SPE) as a working electrode and an aptamer as a specific recognition moiety. To produce an ECL sensor chip, a layer of pL-Cys was immobilized on the surface of SPE by the cyclic voltammetry scanning method, a layer of AuNPs was assembled through an Au-S bond and hairpin DNA was further immobilized on the electrode surface. Ru (bpy)2 (mcpbpy)2+ , as a luminescent reagent, was covalently bound to ssDNA to prepare a luminescent probe ssDNA-Ru. The probe hybridized with TB aptamer to form a capture probe. In the presence of TB, the TB aptamer in the capture probe bound to TB, causing the release of ssDNA-Ru that could bind to hairpin DNA on the electrode surface. Ru (II) complex as a luminescent reagent was assembled onto the electrode, and pL-Cys was used as a co-reactant to. enhance the ECL efficiency. The ECL signal of the sensor chip generated based on the above principles had a linear relationship with log TB concentration at a range of 10 fM-1 nM, and the detection limit was 0.2 fM. Finally, TB detection by this method was verified using real blood samples. This work provides a new method using an aptamer as a foundation and SPE as a material for the detection of biological substances.
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Affiliation(s)
- Weiwei Luo
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, China.,School of Chemistry and Life Science, Anshan Normal University, Ping'an Street 43, Anshan, China
| | - Zhuoxin Ye
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, China
| | - Daqian Song
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, China
| | - Pinyi Ma
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, China
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Kagalwala HN, Gerberich J, Smith CJ, Mason RP, Lippert AR. Chemiluminescent 1,2-Dioxetane Iridium Complexes for Near-Infrared Oxygen Sensing. Angew Chem Int Ed Engl 2022; 61:e202115704. [PMID: 35037345 PMCID: PMC8923301 DOI: 10.1002/anie.202115704] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Indexed: 12/15/2022]
Abstract
Chemiluminescent iridium-based sensors which demonstrate oxygen dependent responses have been developed. The molecular probes, named IrCL-1, IrCL-2 and IrCL-3 consist of oxygen-sensitive iridium complexes attached to a spiroadamantane 1,2 dioxetane and operate via energy transfer from the chemiexcited benzoate to the corresponding iridium(III) complex. Complexing the iridium(III) center with π-extended ligands results in emission in the biologically relevant, near-infrared (NIR) region. All probes demonstrate varying oxygen tolerance, with IrCL-1 being the most oxygen sensitive. These probes have been further utilized for in vitro ratiometric imaging of oxygen, as well as for intraperitoneal, intramuscular and intratumoral imaging in live mice. To our knowledge, these are the first iridium-based chemiluminescent probes that have been employed for in vitro ratiometric oxygen sensing, and for in vivo tumor imaging.
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Affiliation(s)
- Husain N Kagalwala
- Department of Chemistry, Southern Methodist University, Dallas, TX 75275-0314, USA
| | - Jeni Gerberich
- Prognostic Imaging Research Laboratory (PIRL), Pre-clinical Imaging Section, Department of Radiology, UT Southwestern Medical Center, Dallas, TX 75390-9058, USA
| | - Chancellor J Smith
- Department of Chemistry, Southern Methodist University, Dallas, TX 75275-0314, USA
| | - Ralph P Mason
- Prognostic Imaging Research Laboratory (PIRL), Pre-clinical Imaging Section, Department of Radiology, UT Southwestern Medical Center, Dallas, TX 75390-9058, USA
| | - Alexander R Lippert
- Department of Chemistry, Southern Methodist University, Dallas, TX 75275-0314, USA
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33
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Ouyang S, Yu S, Le Y. Current Advances in Immunoassays for the Detection of β2-Agonists. Foods 2022; 11:foods11060803. [PMID: 35327226 PMCID: PMC8947354 DOI: 10.3390/foods11060803] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/03/2022] [Accepted: 03/04/2022] [Indexed: 02/01/2023] Open
Abstract
β2-agonists are a group of synthetic phenylethanolamine compounds which are traditionally used for treating bronchospasm. These compounds can also increase skeletal muscle mass and decrease body fat. The illegal use of β2-agonists in food-producing animals results in residue of β2-agonists in edible tissues and causes adverse health effects in humans. Thus, the detection of β2-agonists at trace level in complex sample matrices is of great importance for monitoring the abuse of β2-agonists. Many methods have been developed to detect β2-agonists. Among them, a variety of antigen–antibody interaction-based techniques have been established to detect β2-agonists in various samples, including animal feed, urine, serum, milk, tissues and hair. In this review, we summarized current achievement in the extraction of β2-agonists from testing samples and detection of β2-agonists using immunological techniques. Future perspectives were briefly discussed.
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Affiliation(s)
- Shuyu Ouyang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; (S.O.); (S.Y.)
| | - Shuting Yu
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; (S.O.); (S.Y.)
| | - Yingying Le
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; (S.O.); (S.Y.)
- Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing 100021, China
- Correspondence:
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34
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Kagalwala HN, Gerberich J, Smith CJ, Mason RP, Lippert AR. Chemiluminescent 1,2‐Dioxetane Iridium Complexes for Near‐Infrared Oxygen Sensing. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Husain N. Kagalwala
- Department of Chemistry Southern Methodist University Dallas TX 75275-0314 USA
| | - Jeni Gerberich
- Prognostic Imaging Research Laboratory (PIRL) Pre-clinical Imaging Section Department of Radiology UT Southwestern Medical Center Dallas TX 75390-9058 USA
| | - Chancellor J. Smith
- Department of Chemistry Southern Methodist University Dallas TX 75275-0314 USA
| | - Ralph P. Mason
- Prognostic Imaging Research Laboratory (PIRL) Pre-clinical Imaging Section Department of Radiology UT Southwestern Medical Center Dallas TX 75390-9058 USA
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35
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Ben Trad F, Wieczny V, Delacotte J, Morel M, Guille-Collignon M, Arbault S, Lemaître F, Sojic N, Labbé E, Buriez O. Dynamic Electrochemiluminescence Imaging of Single Giant Liposome Opening at Polarized Electrodes. Anal Chem 2022; 94:1686-1696. [DOI: 10.1021/acs.analchem.1c04238] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Fatma Ben Trad
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Vincent Wieczny
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Jérôme Delacotte
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Mathieu Morel
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Manon Guille-Collignon
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Stéphane Arbault
- University of Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248 CNRS, F-33600 Pessac, France
| | - Frédéric Lemaître
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Neso Sojic
- University of Bordeaux, CNRS, Bordeaux INP, ISM, UMR CNRS 5255, 33607 Pessac, France
| | - Eric Labbé
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Olivier Buriez
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
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36
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Liang R, Jiang J, Zheng Y, Sailjoi A, Chen J, Liu J, Li H. Vertically oriented mesoporous silica film modified fluorine-doped tin oxide electrode for enhanced electrochemiluminescence detection of lidocaine in serum. RSC Adv 2021; 11:34669-34675. [PMID: 35494748 PMCID: PMC9042675 DOI: 10.1039/d1ra06375h] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/16/2021] [Indexed: 12/26/2022] Open
Abstract
Owing to a nanochannel-based enrichment effect and anti-fouling ability, highly ordered and vertically oriented mesoporous silica thin film (VMSF) modified electrodes have demonstrated their great potential in direct and highly sensitive analysis of complex samples. In this work, a VMSF modified fluorine-doped tin oxide (FTO) electrode (VMSF/FTO) is fabricated for enhanced electrochemiluminescence (ECL) analysis of lidocaine in serum. VMSF with good integrity and mechanical stability can be rapidly and conveniently grown on FTO in a few seconds at room temperature using an electrochemically assisted self-assembly (EASA) method. Due to the strong electrostatic attraction between the cationic ECL probe and negatively charged nanochannel, the VMSF/FTO electrode shows significant enrichment of tris(2,2-bipyridine) ruthenium(ii) (Ru(bpy)3 2+), leading to ∼10 times enhancement of its ECL signal in comparison to the bare FTO electrode. Lidocaine, an anesthetic and antiarrhythmic drug, can act as the co-reactant of Ru(bpy)3 2+ and promote its ECL signal. Sensitive ECL detection of lidocaine is achieved by the sensor in a wide linear range from 10 nM to 50 μM with a low limit-of-detection (LOD) of 8 nM. Combined with the antifouling ability of VMSF, the VMSF/FTO electrode also realizes the accurate and rapid analysis of lidocaine in real serum samples.
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Affiliation(s)
- Renchuan Liang
- Guangxi Medical University Cancer Hospital, Guangxi Medical University 71 Hedi Road Nanning 530021 PR China
| | - Jinghang Jiang
- Guangxi Medical University Cancer Hospital, Guangxi Medical University 71 Hedi Road Nanning 530021 PR China
| | - Yanyan Zheng
- Department of Chemistry, Zhejiang Sci-Tech University 928 Second Avenue, Xiasha Higher Education Zone Hangzhou 310018 PR China
| | - Ajabkhan Sailjoi
- Department of Chemistry, Zhejiang Sci-Tech University 928 Second Avenue, Xiasha Higher Education Zone Hangzhou 310018 PR China
| | - Jie Chen
- Guangxi Medical University Cancer Hospital, Guangxi Medical University 71 Hedi Road Nanning 530021 PR China
| | - Jiyang Liu
- Department of Chemistry, Zhejiang Sci-Tech University 928 Second Avenue, Xiasha Higher Education Zone Hangzhou 310018 PR China
| | - Hongxue Li
- Guangxi Medical University Cancer Hospital, Guangxi Medical University 71 Hedi Road Nanning 530021 PR China
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