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Giagu G, Fracassa A, Fiorani A, Villani E, Paolucci F, Valenti G, Zanut A. From theory to practice: understanding the challenges in the implementation of electrogenerated chemiluminescence for analytical applications. Mikrochim Acta 2024; 191:359. [PMID: 38819653 PMCID: PMC11143011 DOI: 10.1007/s00604-024-06413-1] [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: 03/20/2024] [Accepted: 05/10/2024] [Indexed: 06/01/2024]
Abstract
Electrogenerated chemiluminescence (ECL) stands out as a remarkable phenomenon of light emission at electrodes initiated by electrogenerated species in solution. Characterized by its exceptional sensitivity and minimal background optical signals, ECL finds applications across diverse domains, including biosensing, imaging, and various analytical applications. This review aims to serve as a comprehensive guide to the utilization of ECL in analytical applications. Beginning with a brief exposition on the theory at the basis of ECL generation, we elucidate the diverse systems employed to initiate ECL. Furthermore, we delineate the principal systems utilized for ECL generation in analytical contexts, elucidating both advantages and challenges inherent to their use. Additionally, we provide an overview of different electrode materials and novel ECL-based protocols tailored for analytical purposes, with a specific emphasis on biosensing applications.
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Affiliation(s)
- Gabriele Giagu
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, Bologna, 40126, Italy
| | - Alessandro Fracassa
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, Bologna, 40126, Italy
| | - Andrea Fiorani
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama, 223-8522, Japan
| | - Elena Villani
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Yokohama, 226-8502, Japan
| | - Francesco Paolucci
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, Bologna, 40126, Italy
| | - Giovanni Valenti
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, Bologna, 40126, Italy.
| | - Alessandra Zanut
- Department of Chemical Sciences, University of Padova, via Marzolo 1, Padua, 35131, Italy.
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2
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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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3
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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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4
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Wu M, Yi J, Yin C, Sun Q, Gao L, Niu N, Chen L. An upconversion nanosensor with phenolic-like functionality for accurate identification of chlorpyrifos in grapes. Food Chem 2023; 416:135859. [PMID: 36898337 DOI: 10.1016/j.foodchem.2023.135859] [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: 12/16/2022] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 03/07/2023]
Abstract
The inappropriate use of the organophosphorus pesticide chlorpyrifos (CPF) in agricultural production could be harmful to the environment and non-target organisms. Here, we prepared a nano-fluorescent probe with phenolic function based on covalently coupled rhodamine derivatives (RDP) of upconverted nano-particles (UCNPs) for trace detection of chlorpyrifos. Due to the fluorescence resonance energy transfer (FRET) effect in the system, the fluorescence of UCNPs is quenched by RDP. The phenolic-functional RDP is converted to the spironolactone form when it captures chlorpyrifos. This structural shift prevents the FRET effect in the system and allows the fluorescence of UCNPs to be restored. In addition, the 980 nm excitement conditions of UCNPs will also avoid interference from non-target fluorescent backgrounds. This work has obvious advantages in terms of selectivity and sensitivity, which can be widely applied to the rapid analysis of chlorpyrifos residues in food samples.
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Affiliation(s)
- Meng Wu
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, Harbin 150040, China
| | - Jiaqi Yi
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, Harbin 150040, China
| | - Chenhui Yin
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, Harbin 150040, China
| | - Qijun Sun
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, Harbin 150040, China
| | - Lei Gao
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, Harbin 150040, China; Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150010, China
| | - Na Niu
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, Harbin 150040, China.
| | - Ligang Chen
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, Harbin 150040, China.
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Wang S, Zhu S, Kang Z, Wang X, Deng Z, Hu K, Hu J, Liu X, Wang G, Zang G, Zhang Y. Particle Size-Controlled Oxygen Reduction and Evolution Reaction Nanocatalysts Regulate Ru(bpy) 32+'s Dual-potential Electrochemiluminescence for Sandwich Immunoassay. RESEARCH (WASHINGTON, D.C.) 2023; 6:0117. [PMID: 37287888 PMCID: PMC10243198 DOI: 10.34133/research.0117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 03/19/2023] [Indexed: 06/09/2023]
Abstract
Multiple signal strategies remarkably improve the accuracy and efficiency of electrochemiluminescence (ECL) immunoassays, but the lack of potential-resolved luminophore pairs and chemical cross talk hinders their development. In this study, we synthesized a series of gold nanoparticles (AuNPs)/reduced graphene oxide (Au/rGO) composites as adjustable oxygen reduction reaction and oxygen evolution reaction catalysts to promote and modulate tris(2,2'-bipyridine) ruthenium(II) (Ru(bpy)32+)'s multisignal luminescence. With the increase in the diameter of AuNPs (3 to 30 nm), their ability to promote Ru(bpy)32+'s anodic ECL was first impaired and then strengthened, and cathodic ECL was first enhanced and then weakened. Au/rGOs with medium-small and medium-large AuNP diameters remarkably increased Ru(bpy)32+'s cathodic and anodic luminescence, respectively. Notably, the stimulation effects of Au/rGOs were superior to those of most existing Ru(bpy)32+ co-reactants. Moreover, we proposed a novel ratiometric immunosensor construction strategy using Ru(bpy)32+'s luminescence promoter rather than luminophores as tags of antibodies to achieve signal resolution. This method avoids signal cross talk between luminophores and their respective co-reactants, which achieved a good linear range of 10-7 to 10-1 ng/ml and a limit of detection of 0.33 fg/ml for detecting carcinoembryonic antigen. This study addresses the previous scarcity of the macromolecular co-reactants of Ru(bpy)32+, broadening its application in biomaterial detection. Furthermore, the systematic clarification of the detailed mechanisms for converting the potential-resolved luminescence of Ru(bpy)32+ could facilitate an in-depth understanding of the ECL process and should inspire new designs of Ru(bpy)32+ luminescence enhancers or applications of Au/rGOs to other luminophores. This work removes some impediments to the development of multisignal ECL biodetection systems and provides vitality into their widespread applications.
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Affiliation(s)
- Shijun Wang
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Shu Zhu
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Ziqi Kang
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Xiangxiu Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants,
Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Zixin Deng
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Kun Hu
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Jianjun Hu
- Department of Pathology,
Guizhou Provincial People’s Hospital, Guiyang, Guizhou 550002, China
| | - Xiancheng Liu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants,
Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants,
Bioengineering College of Chongqing University, Chongqing 400030, China
- Jinfeng Laboratory, Chongqing 401329, China
| | - Guangchao Zang
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
- Jinfeng Laboratory, Chongqing 401329, China
- Department of Pathophysiology,
Chongqing Medical University, Chongqing 400016, China
| | - Yuchan Zhang
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
- Jinfeng Laboratory, Chongqing 401329, China
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6
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Effect of divalent cations on electrochemiluminescence of metal-organic frameworks in bioassay. Anal Chim Acta 2023; 1239:340659. [PMID: 36628752 DOI: 10.1016/j.aca.2022.340659] [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: 10/06/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 12/23/2022]
Abstract
The structural characteristics of electrochemiluminescent (ECL) microreticula enabled flexible designs for probing specific molecules. However, bioanalysts paid little attention to the impact of concomitant electrolytic carriers on ECL responsiveness of these grids. Our previous finding confirmed the collisional quenching of ECL radiative secondary building units from polarized Br- and I-. To further address this concern, herein typical cationic commonplaces including Na+, K+, Ca2+, … in buffer plus regular transition metals - their influences upon the ECL performance of a well-defined zinc porphyrin-organic framework (ZnPOF) were inspected in a one-by-one manner. Except for Na+/K+, a dozen of divalent metal chlorides exerted an adverse effect in the form of Stern-Volmer quenching on the ECL brightness, which was illuminated to be cation channeling in open voids of ZnPOFs and bonding with O2-reactive sites as exemplified by the model Ca2+ via systematic compositional investigation. Following this principle, a simplistic Ca2+-sensitive sensor was developed for quantitative evaluation of health-care calcium supplements with high precision. Above all, this work highlighted the non-negligible interference from those Mn + requisites to the susceptible MOF-based ECL, which should be paid extra attention in bioassays and mechanistic analyses.
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Immunological Studies to Understand Hybrid/Recombinant Variants of SARS-CoV-2. Vaccines (Basel) 2022; 11:vaccines11010045. [PMID: 36679891 PMCID: PMC9867374 DOI: 10.3390/vaccines11010045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
The zoonotic SARS-CoV-2 virus was present before the onset of the pandemic. It undergoes evolution, adaptation, and selection to develop variants that gain high transmission rates and virulence, resulting in the pandemic. Structurally, the spike protein of the virus is required for binding to ACE2 receptors of the host cells. The gene coding for the spike is known to have a high propensity of mutations, as a result generating numerous variants. The variants can be generated by random point mutations or recombination during replication. However, SARS-CoV-2 can also produce hybrid variants on co-infection of the host by two distinct lineages of the virus. The genomic sequences of the two variants undergo recombination to produce the hybrid variants. Additionally, these sub-variants also contain numerous mutations from both the parent variants, as well as some novel mutations unique to the hybrids. The hybrid variants (XD, XE, and XF) can be identified through numerous techniques, such as peak PCR, NAAT, and hybrid capture SARS-CoV-2 NGS (next generation sequencing) assay, etc., but the most accurate approach is genome sequencing. There are numerous immunological diagnostic assays, such as ELISA, chemiluminescence immunoassay, flow-cytometry-based approaches, electrochemiluminescence immunoassays, neutralization assays, etc., that are also designed and developed to provide an understanding of the hybrid variants, their pathogenesis, and other reactions. The objective of our study is to comprehensively analyze the variants of SARS-CoV-2, especially the hybrid variants. We have also discussed the techniques available for the identification of hybrids, as well as the immunological assays and studies for analyzing the hybrid variants.
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Chen J, Zhu L, Li B, Xiao M, Chen W, Feng X, Zhuo X, Li Y, Wan Y, Deng S. Sorting and Screening of Quaternary Ammonium Lipoids for Membrane-Binding Assays Based on Electrochemiluminescent Cocrystalline Nanosheets. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:15316-15326. [PMID: 36441978 DOI: 10.1021/acs.langmuir.2c02542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Being synthetic supplements to natural lipids, lipoids now play an increasingly significant role in nanopore sequencing, olfactory sensing, and nanoimpact electrochemistry. Yet, systematic comparisons to sort and screen qualified lipoids are lacking for specific scenario applications. Here, taking the merits of electrochemiluminescence (ECL) in probing biointerfacial events, a new metric was proposed for the evaluation of substrate candidacy in the pool of hyamine bromides (ABs), that are used to cohere with electron-rich porphyrins for deep eutectics-like ECL matrices. Using a state-of-the-art framework emitter, the cocrystalline nanosheet of C70 and zinc meso-tetraphenylporphine (ZnTPP) via simple liquid-liquid interfacial deposition, 6 out of 20 ABs were inspected and identified as not only amenable filmogens but excitonic sensitizers in key terms of ECL strength as well as voltammetric characteristics. Among them, the methyltrioctyl (MTOAB) headgroup stood out; while the ECL activity at ZnTPP-C70@MTOAB was proven to be dictated by ionophoresis across multilamellar lipoidal layers. Thus, target-induced membrane deformation would let coreactant scavengers in to quench ECL, which enabled assays on two less visited bioprocesses regarding (1) the lipid solubility of ipratropium bromide, an aerosol medication for rhinitis treatment; and (2) the resorption of selenosugar as the central metabolite of Se-proteins on kidney glomerular basement barrier. Both resulted in nice membrane-binding measurements with comparable dissociation constants to reported microfluidic ELISA methods. By and large, though still being rudimentary, such parametrization of ECL-able biofilm would set up a basic ECL toolbox for archiving and resourcing multilipoidal even lipid-lipoid combos to handle the realistic (sub)cytomembrane processes in the future.
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Affiliation(s)
- Jialiang Chen
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Longyi Zhu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Bin Li
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Ming Xiao
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Wen Chen
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Xuyu Feng
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Xiyong Zhuo
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yuansheng Li
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Ying Wan
- Department of Instruments Science and Technology, School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Shengyuan Deng
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
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Lu Y, Yang H, Bai J, He Q, Deng R. CRISPR-Cas based molecular diagnostics for foodborne pathogens. Crit Rev Food Sci Nutr 2022; 64:5269-5289. [PMID: 36476134 DOI: 10.1080/10408398.2022.2153792] [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] [Indexed: 12/13/2022]
Abstract
Foodborne pathogenic infection has brought multifaceted issues to human life, leading to an urgent demand for advanced detection technologies. CRISPR/Cas-based biosensors have the potential to address various challenges that exist in conventional assays such as insensitivity, long turnaround time and complex pretreatments. In this perspective, we review the relevant strategies of CRISPR/Cas-assisted diagnostics on foodborne pathogens, focusing on biosensing platforms for foodborne pathogens based on fluorescence, colorimetric, (electro)chemiluminescence, electrochemical, and surface-enhanced Raman scattering detection. It summarizes their detection principles by the clarification of foodborne pathogenic bacteria, fungi, and viruses. Finally, we discuss the current challenges or technical barriers of these methods against broad application, and put forward alternative solutions to improve CRISPR/Cas potential for food safety.
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Affiliation(s)
- Yunhao Lu
- College of Food and Biological Engineering, Chengdu University, Chengdu, P.R. China
| | - Hao Yang
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, P.R. China
| | - Jinrong Bai
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, P.R. China
| | - Qiang He
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, P.R. China
| | - Ruijie Deng
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu, P.R. China
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10
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Tavakoli H, Mohammadi S, Li X, Fu G, Li X. Microfluidic platforms integrated with nano-sensors for point-of-care bioanalysis. Trends Analyt Chem 2022; 157:116806. [PMID: 37929277 PMCID: PMC10621318 DOI: 10.1016/j.trac.2022.116806] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Microfluidic technology provides a portable, cost-effective, and versatile tool for point-of-care (POC) bioanalysis because of its associated advantages such as fast analysis, low volumes of reagent consumption, and high portability. Along with microfluidics, the application of nanomaterials in biosensing has attracted lots of attention due to their unique physical and chemical properties for enhanced signal modulation such as signal amplification and signal transduction for POC bioanalysis. Hence, an enormous number of microfluidic devices integrated with nano-sensors have been developed for POC bioanalysis targeting low-resource settings. Herein, we review recent advances in POC bioanalysis on nano-sensor-based microfluidic platforms. We first briefly summarized the different types of cost-effective microfluidic platforms, followed by a concise introduction to nanomaterial-based biosensors. Then, we highlighted the application of microfluidic platforms integrated with nano-sensors for POC bioanalysis. Finally, we discussed the current limitations and perspective trends of the nano-sensor-based microfluidic platforms for POC bioanalysis.
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Affiliation(s)
- Hamed Tavakoli
- Department of Chemistry and Biochemistry, University of Texas at El Paso, El Paso, TX, 79968, USA
| | - Samayeh Mohammadi
- Department of Chemistry and Biochemistry, University of Texas at El Paso, El Paso, TX, 79968, USA
| | - Xiaochun Li
- College of Biomedical Engineering, Taiyuan University of Technology, Shanxi, 030606, China
| | - Guanglei Fu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong, 264005, China
| | - XiuJun Li
- Department of Chemistry and Biochemistry, University of Texas at El Paso, El Paso, TX, 79968, USA
- Border Biomedical Research Center, Forensic Science, & Environmental Science and Engineering, University of Texas at El Paso, El Paso, 79968, USA
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11
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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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12
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Song L, Gao W, Han Q, Huang Y, Cui L, Zhang CY. Construction of an aggregation-induced electrochemiluminescent sensor based on an aminal-linked covalent organic framework for sensitive detection of glutathione in human serum. Chem Commun (Camb) 2022; 58:10524-10527. [PMID: 36043554 DOI: 10.1039/d2cc03753j] [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
We demonstrate the construction of an aggregation-induced electrochemiluminescent (AIECL) sensor for glutathione (GSH) assay by integrating an aminal-linked covalent organic framework (A-COF) with manganese dioxide (MnO2) nanosheets. The AIECL of the A-COF is quenched by the MnO2 nanosheets via electrochemiluminescent resonance energy transfer (ERET) from the excited A-COF to MnO2. The presence of GSH can reduce the MnO2 nanosheets into Mn2+, restoring the AIECL emission of the A-COF. This AIECL sensor has the characteristics of fast response, high sensitivity, and good selectivity toward GSH, and it can accurately measure GSH in human serum.
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Affiliation(s)
- Linlin Song
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China.
| | - Wenqiang Gao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Qinru Han
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China.
| | - Yiping Huang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China.
| | - Lin Cui
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China.
| | - Chun-Yang Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China.
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Nikolaou P, Sciuto EL, Zanut A, Petralia S, Valenti G, Paolucci F, Prodi L, Conoci S. Ultrasensitive PCR-Free detection of whole virus genome by electrochemiluminescence. Biosens Bioelectron 2022; 209:114165. [DOI: 10.1016/j.bios.2022.114165] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 02/23/2022] [Accepted: 03/04/2022] [Indexed: 12/21/2022]
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14
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Solvothermal synthesis of luminescence molybdenum disulfide QDs and the ECL biosensing application. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Tian M, Xin X, Wu R, Guan W, Zhou W. Advances in Intelligent-Responsive Nanocarriers for Cancer Therapy. Pharmacol Res 2022; 178:106184. [PMID: 35301111 DOI: 10.1016/j.phrs.2022.106184] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 02/06/2022] [Accepted: 03/11/2022] [Indexed: 12/16/2022]
Abstract
With the rapid development of nanotechnology, strategies related to nanomedicine have been used to overcome the shortcomings of traditional chemotherapy drugs, thereby demonstrating significant potential for innovative drug delivery. Nanomaterials play an increasingly important role in cancer immunotherapy. Stimuli-responsive nanomaterials enable the precise control of drug release through exposure to specific stimuli and exhibit excellent specificity in response to various stimuli. Immunomodulators carried by nanomaterials can also effectively regulate the immune system and significantly improve their therapeutic effect on cancer. In recent years, stimuli-responsive nanomaterials have evolved rapidly from single stimuli-responsive systems to multi-stimuli-responsive systems. This review focuses on recent advances in the design and applications of stimuli-responsive nanomaterials, including exogenous and endogenous responsive nanoscale drug delivery systems, which show extraordinary potential in intelligent drug delivery for multimodal cancer diagnosis and treatment. Ultimately, the opportunities and challenges in the development of intelligent responsive nanomaterials are briefly discussed according to recent advances in multi-stimuli-responsive systems.
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Affiliation(s)
- Mingce Tian
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China
| | - Xiaxia Xin
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China
| | - Riliga Wu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China
| | - Weijiang Guan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China.
| | - Wenjuan Zhou
- Department of Chemistry, Capital Normal University, Beijing, China.
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Hou Y, Lv CC, Guo YL, Ma XH, Liu W, Jin Y, Li BX, Yang M, Yao SY. Recent Advances and Applications in Paper-Based Devices for Point-of-Care Testing. JOURNAL OF ANALYSIS AND TESTING 2022; 6:247-273. [PMID: 35039787 PMCID: PMC8755517 DOI: 10.1007/s41664-021-00204-w] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 11/16/2021] [Indexed: 12/11/2022]
Abstract
Point-of-care testing (POCT), as a portable and user-friendly technology, can obtain accurate test results immediately at the sampling point. Nowadays, microfluidic paper-based analysis devices (μPads) have attracted the eye of the public and accelerated the development of POCT. A variety of detection methods are combined with μPads to realize precise, rapid and sensitive POCT. This article mainly introduced the development of electrochemistry and optical detection methods on μPads for POCT and their applications on disease analysis, environmental monitoring and food control in the past 5 years. Finally, the challenges and future development prospects of μPads for POCT were discussed.
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Affiliation(s)
- Yue Hou
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
| | - Cong-Cong Lv
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
| | - Yan-Li Guo
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
| | - Xiao-Hu Ma
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
| | - Wei Liu
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
| | - Yan Jin
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
| | - Bao-Xin Li
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
| | - Min Yang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
| | - Shi-Yin Yao
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062 China
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Sheppard PAS, Puri TA, Galea LAM. Sex Differences and Estradiol Effects in MAPK and Akt Cell Signaling across Subregions of the Hippocampus. Neuroendocrinology 2022; 112:621-635. [PMID: 34407537 DOI: 10.1159/000519072] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 08/16/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Rapid effects of estrogens within the hippocampus of rodents are dependent upon cell-signaling cascades, and activation of these cascades by estrogens varies by sex. Whether these pathways are rapidly activated within the dentate gyrus (DG) and CA1 by estrogens across sex and the anatomical longitudinal axis has been overlooked. METHODS Gonadally intact female and male rats were given either vehicle or physiological systemic low (1.1 µg/kg) or high (37.3 µg/kg) doses of 17β-estradiol 30 min prior to tissue collection. To control for the effects of circulating estrogens, an additional group of female rats was ovariectomized (OVX) and administered 17β-estradiol. Brains were extracted, and tissue punches of the CA1 and DG were taken along the longitudinal hippocampal axis (dorsal and ventral) and analyzed for key mitogen-activated protein kinase (MAPK) and protein kinase B (Akt) cascade phosphoproteins. RESULTS Intact females had higher Akt pathway phosphoproteins (pAkt, pGSK-3β, and pp70S6K) than males in the DG (dorsal and ventral) and lower pERK1/2 in the dorsal DG. Most effects of 17β-estradiol on cell signaling occurred in OVX animals. In OVX animals, 17β-estradiol increased cell signaling of MAPK and Akt phosphoproteins (pERK1/2, pJNK, pAkt, and pGSK-3β) in the CA1 and pERK1/2 and pJNK DG. DISCUSSION/CONCLUSIONS Systemic 17β-estradiol treatment rapidly alters phosphoprotein levels in the hippocampus, dependent on reproductive status, and intact females have greater expression of Akt phosphoproteins than that in intact males in the DG. These findings shed light on underlying mechanisms of sex differences in hippocampal function and response to interventions that affect MAPK or Akt signaling.
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Affiliation(s)
- Paul A S Sheppard
- Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Tanvi A Puri
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
- Graduate Program in Neuroscience, University of British Columbia, Vancouver, British Columbia, Canada
| | - Liisa A M Galea
- Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
- Graduate Program in Neuroscience, University of British Columbia, Vancouver, British Columbia, Canada
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18
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Liu FY, Zhang TK, Zhao YL, Ning HX, Li FS. Electrochemiluminescence of 1,8-Naphthalimide-Modified Carbon Nitride for Cu2+ Detection. JOURNAL OF ANALYSIS AND TESTING 2021. [DOI: 10.1007/s41664-021-00203-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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19
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Climent E, Rurack K. Streifenschnelltest mit ppt‐Empfindlichkeit durch Kombination von Elektrochemilumineszenz‐Detektion mit Aptamer‐gesteuerter Indikatorfreisetzung aus mesoporösen Nanopartikeln. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Estela Climent
- Fachbereich Chemische und Optische Sensorik Bundesanstalt für Materialforschung und -prüfung (BAM) Richard-Willstätter-Str. 11 12489 Berlin Deutschland
| | - Knut Rurack
- Fachbereich Chemische und Optische Sensorik Bundesanstalt für Materialforschung und -prüfung (BAM) Richard-Willstätter-Str. 11 12489 Berlin Deutschland
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20
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Climent E, Rurack K. Combining Electrochemiluminescence Detection with Aptamer-Gated Indicator Releasing Mesoporous Nanoparticles Enables ppt Sensitivity for Strip-Based Rapid Tests. Angew Chem Int Ed Engl 2021; 60:26287-26297. [PMID: 34595818 PMCID: PMC9298832 DOI: 10.1002/anie.202110744] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/02/2021] [Indexed: 12/11/2022]
Abstract
The combination of electrogenerated chemiluminescence (ECL) and aptamer‐gated indicator delivering (gAID) magnetic mesoporous silica nanoparticles embedded into glass fibre paper functionalised with poly(ethyleneglycol) and N‐(3‐triethoxysilylpropyl)diethanolamine allowed the development of a rapid test that detects penicillin directly in diluted milk down to 50±9 ppt in <5 min. Covalent attachment of the aptamer “cap” to the silica scaffold enabled pore closure through non‐covalent electrostatic interactions with surface amino groups, while binding of penicillin led to a folding‐up of the aptamer thus releasing the ECL reporter Ru(bpy)32+ previously loaded into the material and letting it be detected after lateral flow by a smartphone camera upon electrochemical excitation with a screen printed electrode inserted into a 3D‐printed holder. The approach is simple, generic and presents advantages with respect to sensitivity, measurement uncertainty and robustness compared with conventional fluorescence or electrochemical detection, especially for point‐of‐need analyses of challenging matrices and analytes at ultra‐trace levels.
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Affiliation(s)
- Estela Climent
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Knut Rurack
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
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21
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Wang H, Wang F, Wu T, Liu Y. Highly Active Electrochemiluminescence of Ruthenium Complex Co-assembled Chalcogenide Nanoclusters and the Application for Label-Free Detection of Alkaline Phosphatase. Anal Chem 2021; 93:15794-15801. [PMID: 34779626 DOI: 10.1021/acs.analchem.1c04130] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Rational design of electrochemiluminescence (ECL) reagents is essential for the development of ECL biosensors with superior performances. In this work, the assembly of tris(1,10-phenanthroline)ruthenium(II) [Ru(phen)32+] and tetrahedral chalcogenide nanoclusters of [Cd32S14(SC6H5)38]2- in the formation of complex nanoclusters (CdS-Ru) was developed, in which Ru(phen)32+ was uniformly encapsulated and dispersed at a molecular level in the chalcogenide nanocluster via multiple noncovalent interactions. It was observed that the promoted ECL emission was realized by the charge transfer between the tetrahedral CdS nanocluster and Ru(phen)32+ by the formation of the assembly complex, which was elucidated by cyclic voltammetry curves, ECL-potential curves, and in situ dynamic ECL spectra. Taking advantages of the facile charge transfer in the open framework CdS-Ru, a high ECL efficiency has been achieved with remarkable stability. Moreover, a solid-state ECL sensor based on the CdS-Ru modified electrode was fabricated for label-free detection of alkaline phosphatase (ALP) activity with a detection limit as low as 0.35 U/L and superior reproducibility. This solid-state ECL sensor also displayed favorable selectivity among various interferences and was applied for ALP activity analysis in human serum samples. These results implicated the potential applications of CdS-Ru for sensitive ECL analysis in complicated reaction systems and enlightened the rational design for self-enhanced and highly efficient ECL materials.
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Affiliation(s)
- Hongye Wang
- Department of Chemistry, Beijing Key Laboratory for Analytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology of Ministry of Education, Tsinghua University, Beijing 100084, China
| | - Feng Wang
- Department of Chemistry, Beijing Key Laboratory for Analytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology of Ministry of Education, Tsinghua University, Beijing 100084, China
| | - Tao Wu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Yang Liu
- Department of Chemistry, Beijing Key Laboratory for Analytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology of Ministry of Education, Tsinghua University, Beijing 100084, China
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22
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Tang Y, Zhai J, Chen Q, Xie X. Ruthenium bipyridine complexes as electrochemiluminescent transducers for ionophore-based ion-selective detection. Analyst 2021; 146:6955-6959. [PMID: 34661221 DOI: 10.1039/d1an01355f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report here a method to determine target ion concentrations (with Na+ as a model) based on ionophores and electrochemiluminescence (ECL). Ruthenium bipyridine complexes were released from thin polymeric films (plasticized poly(vinyl chloride) also containing a sodium ionophore) into the sample solution following an explicit ion-exchange process (between Na+ and the ruthenium complex). Two signal transducers, tris(2,2'-(pCF3)bipyridine)ruthenium(II) (Ru(p-CF3-bpy)32+) and tris(2,2'-bipyridyl)dichlororuthenium(II) (Ru(bpy)32+), were examined using the sensing film, with the latter providing a more sensitive detection range (ca. 1 to 100 μM) than that of the more hydrophobic one (0.01 to 1 mM). While the ionophore (Na+ ionophore X) offered excellent selectivity to the method, the ruthenium complexes made the measurements independent of the sample pH. Furthermore for complex biological samples such as blood serum, an indirect approach of measuring the ECL of the remaining ruthenium complexes helps avoid background matrix interference to the ECL production at the working electrode, making the ECL method more attractive for real complex samples.
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Affiliation(s)
- Yinghong Tang
- Department of Chemistry, Southern University of Science and Technology, 1088 Xili Xueyuan Blvd., Nanshan District, Shenzhen, 518055, China.
| | - Jingying Zhai
- SUSTech Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, 1088 Xili Xueyuan Blvd., Nanshan District, Shenzhen, 518055, China.
| | - Qinghan Chen
- SUSTech Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, 1088 Xili Xueyuan Blvd., Nanshan District, Shenzhen, 518055, China.
| | - Xiaojiang Xie
- Department of Chemistry, Southern University of Science and Technology, 1088 Xili Xueyuan Blvd., Nanshan District, Shenzhen, 518055, China.
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Phan QA, Truong LB, Medina-Cruz D, Dincer C, Mostafavi E. CRISPR/Cas-powered nanobiosensors for diagnostics. Biosens Bioelectron 2021; 197:113732. [PMID: 34741959 DOI: 10.1016/j.bios.2021.113732] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/16/2021] [Accepted: 10/24/2021] [Indexed: 12/26/2022]
Abstract
CRISPR diagnostics (CRISPR-Dx) offer a wide range of enhancements compared to traditional nanobiosensors by taking advantage of the excellent trans-cleavage activity of the CRISPR/Cas systems. However, the single-stranded DNA/RNA reporters of the current CRISPR-Dx suffer from poor stability and limited sensitivity, which make their application in complex biological environments difficult. In comparison, nanomaterials, especially metal nanoparticles, exhibits robust stability and desirable optical and electrocatalytical properties, which make them ideal as reporter molecules. Therefore, biosensing research is moving towards the use of the trans-cleavage activity of CRISPR/Cas effectors on metal nanoparticles and apply the new phenomenon to develop novel nanobiosensors to target various targets such as viral infections, genetic mutations and tumor biomarkers, by using different sensing methods, including, but not limited to fluorescence, luminescence resonance, colorimetric and electrochemical signal readout. In this review, we explore some of the most recent advances in the field of CRISPR-powered nanotechnological biosensors. Demonstrating high accuracy, sensitivity, selectivity and versatility, nanobiosensors along with CRISPR/Cas technology offer tremendous potential for next-generation diagnostics of multiple targets, especially at the point of care and without any target amplification.
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Affiliation(s)
- Quynh Anh Phan
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA; Department of Biology, Tufts University, Medford, MA, 02155, USA
| | - Linh B Truong
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA
| | - David Medina-Cruz
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA
| | - Can Dincer
- Department of Microsystems Engineering - IMTEK, University of Freiburg, Freiburg, 79110, Germany; FIT Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Freiburg, 79110, Germany
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, 94305, USA; Department of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA.
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Zhou Y, Yin H, Zhao WW, Ai S. Electrochemical, electrochemiluminescent and photoelectrochemical bioanalysis of epigenetic modifiers: A comprehensive review. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213519] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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25
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Dai Z, Su Y, Gao Z, Song YY. “Black body” effect of carbon nanospheres: A broadband energy acceptor in constructing electrochemiluminescence resonance energy transfer for biosensing. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114727] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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