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Meng X, Pang X, Yang J, Zhang X, Dong H. Recent Advances in Electrochemiluminescence Biosensors for MicroRNA Detection. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307701. [PMID: 38152970 DOI: 10.1002/smll.202307701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 12/06/2023] [Indexed: 12/29/2023]
Abstract
Electrochemiluminescence (ECL) as an analytical technology with a perfect combination of electrochemistry and spectroscopy has received considerable attention in bioanalysis due to its high sensitivity and broad dynamic range. Given the selectivity of bio-recognition elements and the high sensitivity of the ECL analysis technique, ECL biosensors are powerful platforms for the sensitive detection of biomarkers, achieving the accurate prognosis and diagnosis of diseases. MicroRNAs (miRNAs) are crucial biomarkers involved in a variety of physiological and pathological processes, whose aberrant expression is often related to serious diseases, especially cancers. ECL biosensors can fulfill the highly sensitive and selective requirements for accurate miRNA detection, prompting this review. The ECL mechanisms are initially introduced and subsequently categorize the ECL biosensors for miRNA detection in terms of the quenching agents. Furthermore, the work highlights the signal amplification strategies for enhancing ECL signal to improve the sensitivity of miRNA detection and finally concludes by looking at the challenges and opportunities in ECL biosensors for miRNA detection.
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Affiliation(s)
- Xiangdan Meng
- Beijing Key Laboratory for Bioengineering and Sensing Technology Research Centre for Bioengineering and Sensing Technology School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 10083, P. R. China
| | - Xuejiao Pang
- Beijing Key Laboratory for Bioengineering and Sensing Technology Research Centre for Bioengineering and Sensing Technology School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 10083, P. R. China
| | - Junyan Yang
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Xueji Zhang
- Beijing Key Laboratory for Bioengineering and Sensing Technology Research Centre for Bioengineering and Sensing Technology School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 10083, P. R. China
- Marshall Laboratory of Biomedical Engineering, Precision Medicine and Health Research Institute, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Guangdong, 518060, P. R. China
| | - Haifeng Dong
- Beijing Key Laboratory for Bioengineering and Sensing Technology Research Centre for Bioengineering and Sensing Technology School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 10083, P. R. China
- Marshall Laboratory of Biomedical Engineering, Precision Medicine and Health Research Institute, Shenzhen Key Laboratory for Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Guangdong, 518060, P. R. China
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2
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Rodriguez HM, Martyniuk M, Iyer KS, Ciampi S. Insulator-on-Conductor Fouling Amplifies Aqueous Electrolysis Rates. J Am Chem Soc 2024; 146:10299-10311. [PMID: 38591156 DOI: 10.1021/jacs.3c11238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
The chemical industry is a major consumer of fossil fuels. Several chemical reactions of practical value proceed with the gain or loss of electrons, opening a path to integrate renewable electricity into chemical manufacturing. However, most organic molecules have low aqueous solubility, causing green and cheap electricity-driven reactions to suffer from intrinsically low reaction rates in industry's solvent of choice: water. Here, we show that a strategic, partial electrode fouling with hydrophobic insulators (oils and plastics) offsets kinetic limitations caused by poor reactant solubility, opening a new path for the direct integration of renewable electricity into the production of commodity chemicals. Through electrochemiluminescence microscopy, we reveal for the oxidation of organic reactants up to 6-fold reaction rate increase at the "fouled" oil-electrolyte-electrode interface relative to clean electrolyte-electrode areas. Analogously, electrodes partially masked (fouled) with plastic patterns, deposited either photolithographically (photoresists) or manually (inexpensive household glues and sealants), outperform clean electrodes. The effect is not limited to reactants of limited water solubility, and, for example, net gold electrodeposition rates are up to 22% larger at fouled than clean electrodes. In a system involving a surface-active reactant, rate augmentation is driven by the synergy between insulator-confined reactant enrichment and insulator-induced current crowding, whereas only the latter and possibly localized decrease in iR drop near the insulator are relevant in a system composed of non-surface-active species. Our counterintuitive electrode design enhances electrolysis rates despite the diminished area of intimate electrolyte-electrode contact and introduces a new path for upscaling aqueous electrochemical processes.
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Affiliation(s)
- Harry Morris Rodriguez
- School of Molecular and Life Sciences, Curtin University, Bentley, Western Australia 6102, Australia
| | - Mariusz Martyniuk
- Department of Electrical, Electronic and Computer Engineering, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Killugudi Swaminathan Iyer
- School of Molecular Sciences, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Simone Ciampi
- School of Molecular and Life Sciences, Curtin University, Bentley, Western Australia 6102, Australia
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Ma C, Zhu Y, Zhang Z, Chen X, Ji Z, Zhang LN, Xu Q. Ratiometric electrochemiluminescence sensing and intracellular imaging of ClO - via resonance energy transfer. Anal Bioanal Chem 2024:10.1007/s00216-024-05236-6. [PMID: 38512384 DOI: 10.1007/s00216-024-05236-6] [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: 01/14/2024] [Revised: 02/24/2024] [Accepted: 02/27/2024] [Indexed: 03/23/2024]
Abstract
Electrochemiluminescence resonance energy transfer (ECL-RET) is a versatile signal transduction strategy widely used in the fabrication of chem/biosensors. However, this technique has not yet been applied in visualized imaging analysis of intracellular species due to the insulating nature of the cell membrane. Here, we construct a ratiometric ECL-RET analytical method for hypochlorite ions (ClO-) by ECL luminophore, with a luminol derivative (L-012) as the donor and a fluorescence probe (fluorescein hydrazide) as the acceptor. L-012 can emit a strong blue ECL signal and fluorescein hydrazide has negligible absorbance and fluorescence signal in the absence of ClO-. Thus, the ECL-RET process is turned off at this time. In the presence of ClO-, however, the closed-loop hydrazide structure in fluorescein hydrazide is opened via specific recognition with ClO-, accompanied with intensified absorbance and fluorescence signal. Thanks to the spectral overlap between the ECL spectrum of L-012 and the absorption spectrum of fluorescein, the ECL-RET effect is gradually recovered with the addition of ClO-. Furthermore, the ECL-RET system has been successfully applied to image intracellular ClO-. Although the insulating nature of the cell itself can generate a shadow ECL pattern in the cellular region, extracellular ECL emission penetrates the cell membrane and excites intracellular fluorescein generated by the reactions between fluorescein hydrazide and ClO-. The cell imaging strategy via ECL-RET circumvents the blocking of the cell membrane and enables assays of intracellular species. The importance of the ECL-RET platform lies in calibrating the fluctuation from the external environment and improving the selectivity by using fluorescent probes. Therefore, this ratiometric ECL sensor has shown broad application prospects in the identification of targets in clinical diagnosis and environmental monitoring.
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Affiliation(s)
- Cheng Ma
- School of Chemistry and Chemical Engineering, Yangzhou University, YangzhouJiangsu, 225002, China.
| | - Yujing Zhu
- School of Chemistry and Chemical Engineering, Yangzhou University, YangzhouJiangsu, 225002, China
| | - Zhichen Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, YangzhouJiangsu, 225002, China
| | - Xuan Chen
- School of Chemistry and Chemical Engineering, Yangzhou University, YangzhouJiangsu, 225002, China
| | - Zhengping Ji
- School of Chemistry and Chemical Engineering, Yangzhou University, YangzhouJiangsu, 225002, China
| | - Lu-Nan Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, YangzhouJiangsu, 225002, China
| | - Qin Xu
- School of Chemistry and Chemical Engineering, Yangzhou University, YangzhouJiangsu, 225002, China.
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Gerbig D, Schreiner PR. Preparation and Spectroscopic Identification of the Cyclic CO 2 Dimer 1,2-Dioxetanedione. J Am Chem Soc 2023; 145:22341-22346. [PMID: 37812656 DOI: 10.1021/jacs.3c08894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
We report the preparation and infrared spectroscopic identification of 1,2-dioxetanedione, which is one of the two possible cyclic dimers of carbon dioxide. We prepared this hitherto experimentally incompletely characterized species in a solid nitrogen matrix at 3 K from the reaction of oxalyl dichloride with the urea·hydrogen peroxide complex. Surprisingly, irradiation at 254 nm does not lead to its dissociation into carbon dioxide but rather yields cyclic carbon trioxide. We further assert our spectroscopic assignments by 18O isotopic labeling and high-level N-electron valence state perturbation theory and coupled-cluster computations. The successful isolation of 1,2-dioxetanedione supports its viability as the postulated high-energy intermediate in the well-known and ubiquitously exploited "peroxyoxalate" chemiluminescent system.
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Affiliation(s)
- Dennis Gerbig
- Institute of Organic Chemistry, Justus Liebig University, 35392 Giessen, Germany
| | - Peter R Schreiner
- Institute of Organic Chemistry, Justus Liebig University, 35392 Giessen, Germany
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Zhu C, Pham LN, Yuan X, Ouyang H, Coote ML, Zhang X. High Electric Fields on Water Microdroplets Catalyze Spontaneous and Fast Reactions in Halogen-Bond Complexes. J Am Chem Soc 2023; 145:21207-21212. [PMID: 37724917 DOI: 10.1021/jacs.3c08818] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
The use of external electric fields as green and efficient catalysts in synthetic chemistry has recently received significant attention for their ability to deliver remarkable control of reaction selectivity and acceleration of reaction rates. Technically, methods of generating high electric fields in the range of 1-10 V/nm are limited, as in-vacuo techniques have obvious scalability issues. The spontaneous high fields at various interfaces promise to solve this problem. In this study, we take advantage of the spontaneous high electric field at the air-water interface of sprayed water microdroplets in the reactions of several halogen bond systems: Nu:--X-X, where Nu: is pyridine or quinuclidine and X is bromine or iodine. The field facilitates ultrafast electron transfer from Nu:, yielding a Nu-X covalent bond and causing the X-X bond to cleave. This reaction occurs in microseconds in microdroplets but takes days to weeks in bulk solution. Density functional theory calculations predict that the reaction becomes barrier-free in the presence of oriented external electric fields, supporting the notion that the electric fields in the water droplets are responsible for the catalysis. We anticipate that microdroplet chemistry will be an avenue rich in opportunities in the reactions facilitated by high electric fields and provides an alternative way to tackle the scalability problem.
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Affiliation(s)
- Chenghui Zhu
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Centre, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Frontiers Science Centre for New Organic Matter, Nankai University, Tianjin, 300071, China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100190, China
| | - Le Nhan Pham
- Institute for Nanoscale Science & Technology, Flinders University, Adelaide, South Australia 5042, Australia
| | - Xu Yuan
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Centre, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Frontiers Science Centre for New Organic Matter, Nankai University, Tianjin, 300071, China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100190, China
| | - Haoran Ouyang
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Centre, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Frontiers Science Centre for New Organic Matter, Nankai University, Tianjin, 300071, China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100190, China
| | - Michelle L Coote
- Institute for Nanoscale Science & Technology, Flinders University, Adelaide, South Australia 5042, Australia
| | - Xinxing Zhang
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Centre, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Frontiers Science Centre for New Organic Matter, Nankai University, Tianjin, 300071, China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100190, China
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Sornambigai M, Bouffier L, Sojic N, Kumar SS. Tris(2,2'-bipyridyl)ruthenium (II) complex as a universal reagent for the fabrication of heterogeneous electrochemiluminescence platforms and its recent analytical applications. Anal Bioanal Chem 2023; 415:5875-5898. [PMID: 37507465 DOI: 10.1007/s00216-023-04876-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/15/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023]
Abstract
In recent years, electrochemiluminescence (ECL) has received enormous attention and has emerged as one of the most successful tools in the field of analytical science. Compared with homogeneous ECL, the heterogeneous (or solid-state) ECL has enhanced the rate of the electron transfer kinetics and offers rapid response time, which is highly beneficial in point-of-care and clinical applications. In ECL, the luminophore is the key element, which dictates the overall performance of the ECL-based sensors in various analytical applications. Tris(2,2'-bipyridyl)ruthenium (II) complex, Ru(bpy)32+, is a coordination compound, which is the gold-standard luminophore in ECL. It has played a key role in translating ECL from a "laboratory curiosity" to a commercial analytical instrument for diagnosis. The aim of the present review is to provide the principles of ECL and classical reaction mechanisms-particularly involving the heterogeneous Ru(bpy)32+/co-reactant ECL systems, as well as the fabrication methods and its importance over solution-phase Ru(bpy)32+ ECL. Then, we discussed the emerging technology in solid-state Ru(bpy)32+ ECL-sensing platforms and their recent potential analytical applications such as in immunoassay sensors, DNA sensors, aptasensors, bio-imaging, latent fingerprint detection, point-of-care testing, and detection of non-biomolecules. Finally, we also briefly cover the recent advances in solid-state Ru(bpy)32+ ECL coupled with the hyphenated techniques.
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Affiliation(s)
- Mathavan Sornambigai
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CSIR-CECRI) Campus, Karaikudi, Tamil Nadu, 630003, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Laurent Bouffier
- University of Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33400, Talence, France
| | - Neso Sojic
- University of Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33400, Talence, France.
| | - Shanmugam Senthil Kumar
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CSIR-CECRI) Campus, Karaikudi, Tamil Nadu, 630003, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Affiliation(s)
- Jinrun Dong
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Jiandong Feng
- Laboratory of Experimental Physical Biology, Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
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Belotti M, El‐Tahawy MMT, Darwish N, Garavelli M, Ciampi S. Electrochemically Generated Luminescence of Luminol and Luciferin in Ionic Liquids. ChemElectroChem 2022. [DOI: 10.1002/celc.202201033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Mattia Belotti
- School of Molecular and Life Sciences Curtin University Bentley Western Australia 6102 Australia
| | - Mohsen M. T. El‐Tahawy
- Dipartimento di Chimica Industriale “Toso Montanari” Università di Bologna Bologna 40136 Emilia Romagna Italy
- Chemistry Department Faculty of Science Damanhour University Damanhour 22511 Egypt
| | - Nadim Darwish
- School of Molecular and Life Sciences Curtin University Bentley Western Australia 6102 Australia
| | - Marco Garavelli
- Dipartimento di Chimica Industriale “Toso Montanari” Università di Bologna Bologna 40136 Emilia Romagna Italy
| | - Simone Ciampi
- School of Molecular and Life Sciences Curtin University Bentley Western Australia 6102 Australia
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Belotti M, El‐Tahawy MMT, Yu L, Russell IC, Darwish N, Coote ML, Garavelli M, Ciampi S. Luciferase-free Luciferin Electrochemiluminescence. Angew Chem Int Ed Engl 2022; 61:e202209670. [PMID: 36169114 PMCID: PMC9828091 DOI: 10.1002/anie.202209670] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Indexed: 01/12/2023]
Abstract
Luciferin is one of Nature's most widespread luminophores, and enzymes that catalyze luciferin luminescence are the basis of successful commercial "glow" assays for gene expression and metabolic ATP formation. Herein we report an electrochemical method to promote firefly's luciferin luminescence in the absence of its natural biocatalyst-luciferase. We have gained experimental and computational insights on the mechanism of the enzyme-free luciferin electrochemiluminescence, demonstrated its spectral tuning from green to red by means of electrolyte engineering, proven that the colour change does not require, as still debated, a keto/enol isomerization of the light emitter, and gained evidence of the electrostatic-assisted stabilization of the charge-transfer excited state by double layer electric fields. Luciferin's electrochemiluminescence, as well as the in situ generation of fluorescent oxyluciferin, are applied towards an optical measurement of diffusion coefficients.
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Affiliation(s)
- Mattia Belotti
- School of Molecular and Life SciencesCurtin UniversityBentley6102Western AustraliaAustralia
| | - Mohsen M. T. El‐Tahawy
- Dipartimento di Chimica Industriale “Toso Montanari”Università di BolognaBologna40136Emilia RomagnaItaly
- Chemistry DepartmentFaculty of ScienceDamanhour UniversityDamanhour22511Egypt
| | - Li‐Juan Yu
- Research School of ChemistryAustralian National UniversityCanberra2601Australian Capital TerritoryAustralia
| | - Isabella C. Russell
- Research School of ChemistryAustralian National UniversityCanberra2601Australian Capital TerritoryAustralia
| | - Nadim Darwish
- School of Molecular and Life SciencesCurtin UniversityBentley6102Western AustraliaAustralia
| | - Michelle L. Coote
- Institute for Nanoscale Science and TechnologyCollege of Science and EngineeringFlinders UniversityBedford Park5042South AustraliaAustralia
| | - Marco Garavelli
- Dipartimento di Chimica Industriale “Toso Montanari”Università di BolognaBologna40136Emilia RomagnaItaly
| | - Simone Ciampi
- School of Molecular and Life SciencesCurtin UniversityBentley6102Western AustraliaAustralia
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