1
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Ben Trad F, Delacotte J, Lemaître F, Guille-Collignon M, Arbault S, Sojic N, Labbé E, Buriez O. Shadow electrochemiluminescence imaging of giant liposomes opening at polarized electrodes. Analyst 2024; 149:3317-3324. [PMID: 38742381 DOI: 10.1039/d4an00470a] [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: 05/16/2024]
Abstract
In this work, the release of giant liposome (∼100 μm in diameter) content was imaged by shadow electrochemiluminescence (ECL) microscopy. Giant unilamellar liposomes were pre-loaded with a sucrose solution and allowed to sediment at an ITO electrode surface immersed in a solution containing a luminophore ([Ru(bpy)3]2+) and a sacrificial co-reactant (tri-n-propylamine). Upon polarization, the electrode exhibited illumination over its entire surface thanks to the oxidation of ECL reagents. However, as soon as liposomes reached the electrode surface, dark spots appeared and then spread over time on the surface. This observation reflected a blockage of the electrode surface at the contact point between the liposome and the electrode surface, followed by the dilution of ECL reagents after the rupture of the liposome membrane and release of its internal ECL-inactive solution. Interestingly, ECL reappeared in areas where it initially faded, indicating back-diffusion of ECL reagents towards the previously diluted area and thus confirming liposome permeabilization. The whole process was analyzed qualitatively and quantitatively within the defined region of interest. Two mass transport regimes were identified: a gravity-driven spreading process when the liposome releases its content leading to ECL vanishing and a diffusive regime when ECL recovers. The reported shadow ECL microscopy should find promising applications for the imaging of transient events such as molecular species released by artificial or biological vesicles.
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Affiliation(s)
- Fatma Ben Trad
- 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.
| | - Frédéric Lemaître
- 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
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, F-33600 Pessac, France
| | - Neso Sojic
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255 CNRS, 33400 Talence, 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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2
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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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3
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Ben Trad F, Carré B, Delacotte J, Lemaître F, Guille-Collignon M, Arbault S, Sojic N, Labbé E, Buriez O. Electrochemiluminescent imaging of a NADH-based enzymatic reaction confined within giant liposomes. Anal Bioanal Chem 2024:10.1007/s00216-024-05133-y. [PMID: 38227016 DOI: 10.1007/s00216-024-05133-y] [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: 11/22/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 01/17/2024]
Abstract
Herein, transient releases either from NADH-loaded liposomes or enzymatic reactions confined in giant liposomes were imaged by electrochemiluminescence (ECL). NADH was first encapsulated with the [Ru(bpy)3]2+ luminophore inside giant liposomes (around 100 µm in diameter) made of DOPC/DOPG phospholipids (i.e., 1,2-dioleolyl-sn-glycero-3-phosphocholine/1,2-dioleoyl-sn-glycerol-3-phospho-(1'-rac-glycerol) sodium salt) on their inner- and outer-leaflet, respectively. Then, membrane permeabilization triggered upon contact between the liposome and a polarized ITO electrode surface and ECL was locally generated. Combination of amperometry, photoluminescence, and ECL provided a comprehensive monitoring of a single liposome opening and content release. In a second part, the work is focused on the ECL characterization of NADH produced by glucose dehydrogenase (GDH)-catalyzed oxidation of glucose in the confined environment delimited by the liposome membrane. This was achieved by encapsulating both the ECL and catalytic reagents (i.e., the GDH, glucose, NAD+, and [Ru(bpy)3]2+) in the liposome. In accordance with the results obtained, NADH can be used as a biologically compatible ECL co-reactant to image membrane permeabilization events of giant liposomes. Under these conditions, the ECL signal duration was rather long (around 10 s). Since many enzymatic reactions involve the NADH/NAD+ redox couple, this work opens up interesting prospects for the characterization of enzymatic reactions taking place notably in artificial cells and in confined environments.
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Affiliation(s)
- Fatma Ben Trad
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Bixente Carré
- 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
| | - Frédéric Lemaître
- 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
- Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248, 33600, Pessac, France
| | - Neso Sojic
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255 CNRS, 33400, Talence, 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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4
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Dcosta JV, Ochoa D, Sanaur S. Recent Progress in Flexible and Wearable All Organic Photoplethysmography Sensors for SpO 2 Monitoring. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302752. [PMID: 37740697 PMCID: PMC10625116 DOI: 10.1002/advs.202302752] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 07/09/2023] [Indexed: 09/25/2023]
Abstract
Flexible and wearable biosensors are the next-generation healthcare devices that can efficiently monitor human health conditions in day-to-day life. Moreover, the rapid growth and technological advancements in wearable optoelectronics have promoted the development of flexible organic photoplethysmography (PPG) biosensor systems that can be implanted directly onto the human body without any additional interface for efficient bio-signal monitoring. As an example, the pulse oximeter utilizes PPG signals to monitor the oxygen saturation (SpO2 ) in the blood volume using two distinct wavelengths with organic light emitting diode (OLED) as light source and an organic photodiode (OPD) as light sensor. Utilizing the flexible and soft properties of organic semiconductors, pulse oximeter can be both flexible and conformal when fabricated on thin polymeric substrates. It can also provide highly efficient human-machine interface systems that can allow for long-time biological integration and flawless measurement of signal data. In this work, a clear and systematic overview of the latest progress and updates in flexible and wearable all-organic pulse oximetry sensors for SpO2 monitoring, including design and geometry, processing techniques and materials, encapsulation and various factors affecting the device performance, and limitations are provided. Finally, some of the research challenges and future opportunities in the field are mentioned.
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Affiliation(s)
- Jostin Vinroy Dcosta
- Mines Saint‐ÉtienneCentre Microélectronique de ProvenceDepartment of Flexible Electronics880, Avenue de MimetGardanne13541France
| | - Daniel Ochoa
- Mines Saint‐ÉtienneCentre Microélectronique de ProvenceDepartment of Flexible Electronics880, Avenue de MimetGardanne13541France
| | - Sébastien Sanaur
- Mines Saint‐ÉtienneCentre Microélectronique de ProvenceDepartment of Flexible Electronics880, Avenue de MimetGardanne13541France
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5
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Wang Y, Ding J, Zhou P, Liu J, Qiao Z, Yu K, Jiang J, Su B. Electrochemiluminescence Distance and Reactivity of Coreactants Determine the Sensitivity of Bead-Based Immunoassays. Angew Chem Int Ed Engl 2023; 62:e202216525. [PMID: 36812044 DOI: 10.1002/anie.202216525] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 02/16/2023] [Accepted: 02/22/2023] [Indexed: 02/24/2023]
Abstract
Herein we report the study of electrochemiluminescence (ECL) generation by tris(2,2'-bipyridyl)ruthenium (Ru(bpy)3 2+ ) and five tertiary amine coreactants. The ECL distance and lifetime of coreactant radical cations were measured by ECL self-interference spectroscopy. And the reactivity of coreactants was quantitatively evaluated in terms of integrated ECL intensity. By statistical analysis of ECL images of single Ru(bpy)3 2+ -labeled microbeads, we propose that ECL distance and reactivity of coreactant codetermine the emission intensity and thus the sensitivity of immunoassay. 2,2-bis(hydroxymethyl)-2,2',2''-nitrilotriethanol (BIS-TRIS) can well balance ECL distance-reactivity trade-off and enhance the sensitivity by 236 % compared with tri-n-propylamine (TPrA) in the bead-based immunoassay of carcinoembryonic antigen. The study brings an insightful understanding of ECL generation in bead-based immunoassay and a way of maximizing the analytical sensitivity from the aspect of coreactant.
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Affiliation(s)
- Yafeng Wang
- Key Laboratory of Excited-State Materials of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jialian Ding
- Key Laboratory of Excited-State Materials of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Ping Zhou
- Key Laboratory of Excited-State Materials of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jilin Liu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Zhiyuan Qiao
- School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology, Weihai, 150090, China
| | - Kai Yu
- School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology, Weihai, 150090, China
| | - Jie Jiang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China.,School of Environment, School of Marine Science and Technology (Weihai), Harbin Institute of Technology, Weihai, 150090, China.,State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Bin Su
- Key Laboratory of Excited-State Materials of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
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Watanabe T, Ishikawa R, Hara N, Iwasaki T, Miyachi M, Shiigi Y, Takahashi M, Kuroki D, Koh S. Single-layer graphene as a transparent electrode for electrogenerated chemiluminescence biosensing. Electrochem commun 2022. [DOI: 10.1016/j.elecom.2022.107290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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7
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Sakanoue K, Fiorani A, Santo CI, Irkham, Valenti G, Paolucci F, Einaga Y. Boron-Doped Diamond Electrode Outperforms the State-of-the-Art Electrochemiluminescence from Microbeads Immunoassay. ACS Sens 2022; 7:1145-1155. [PMID: 35298151 DOI: 10.1021/acssensors.2c00156] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Electrochemiluminescence (ECL) is a powerful transduction technique where light emission from a molecular species is triggered by an electrochemical reaction. Application to biosensors has led to a wide range of electroanalytical methods with particular impact on clinical analysis for diagnostic and therapeutic monitoring. Therefore, the quest for increasing the sensitivity while maintaining reproducible and easy procedures has brought investigations and innovations in (i) electrode materials, (ii) luminophores, and (iii) reagents. Particularly, the ECL signal is strongly affected by the electrode material and its surface modification during the ECL experiments. Here, we exploit boron-doped diamond (BDD) as an electrode material in microbead-based ECL immunoassay to be compared with the approach used in commercial instrumentation. We conducted a careful characterization of ECL signals from a tris(2,2'-bipyridine)ruthenium(II) (Ru(bpy)32+)/tri-n-propylamine (TPrA) system, both homogeneous (i.e., free diffusing Ru(bpy)32+) and heterogeneous (i.e., Ru(bpy)32+ bound on microbeads). We investigated the methods to promote TPrA oxidation, which led to the enhancement of ECL intensity, and the results revealed that the BDD surface properties greatly affect the ECL emission, so it does the addition of neutral, cationic, or anionic surfactants. Our results from homogeneous and heterogeneous microbead-based ECL show opposite outcomes, which have practical consequences in ECL optimization. In conclusion, by using Ru(bpy)32+-labeled immunoglobulins bound on microbeads, the ECL resulted in an increase of 70% and a double signal-to-noise ratio compared to platinum electrodes, which are actually used in commercial instrumentation for clinical analysis. This research infers that microbead-based ECL immunoassays with a higher sensitivity can be realized by BDD.
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Affiliation(s)
- Kohei Sakanoue
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Andrea Fiorani
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Claudio Ignazio Santo
- Department of Chemistry “G. Ciamician”, University of Bologna, Via Selmi 2, 40126, Bologna, Italy
| | - Irkham
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Giovanni Valenti
- Department of Chemistry “G. Ciamician”, University of Bologna, Via Selmi 2, 40126, Bologna, Italy
| | - Francesco Paolucci
- Department of Chemistry “G. Ciamician”, University of Bologna, Via Selmi 2, 40126, Bologna, Italy
| | - Yasuaki Einaga
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
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8
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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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9
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Rebeccani S, Wetzl C, Zamolo VA, Criado A, Valenti G, Paolucci F, Prato M. Electrochemiluminescent immunoassay enhancement driven by carbon nanotubes. Chem Commun (Camb) 2021; 57:9672-9675. [PMID: 34555139 DOI: 10.1039/d1cc03457j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Electrochemiluminescence (ECL) is a leading analytical technique for clinical monitoring and early disease diagnosis. Carbon nanotubes are used as efficient nanomaterials for ECL signal enhancement providing new insights into the mechanism for the ECL generation but also affording application in bead-based immunoassay and ECL microscopy-based bioimaging.
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Affiliation(s)
- Sara Rebeccani
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, Bologna 40126, Italy.
| | - Cecilia Wetzl
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Donostia-San Sebastián 20014, Spain
| | - Valeria Anna Zamolo
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Piazzale Europa, 1, Trieste 34127, Italy
| | - Alejandro Criado
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Donostia-San Sebastián 20014, Spain.,Universidade da Coruña, Centro de Investigacións Científicas Avanzadas (CICA), Rúa As Carballeiras, A Coruña, 15071, Spain.
| | - Giovanni Valenti
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, Bologna 40126, Italy.
| | - Francesco Paolucci
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, Bologna 40126, Italy.
| | - Maurizio Prato
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Donostia-San Sebastián 20014, Spain.,Department of Chemical and Pharmaceutical Sciences, University of Trieste, Piazzale Europa, 1, Trieste 34127, Italy.,Ikerbasque, Basque Foundation for Science, Bilbao 48013, Spain
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10
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Villani E, Shida N, Inagi S. Electrogenerated chemiluminescence of luminol on wireless conducting polymer films. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138718] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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11
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Liu P, Meng H, Han Q, Zhang G, Wang C, Song L, Fu Y. Determination of ascorbic acid using electrochemiluminescence sensor based on nitrogen and sulfur doping graphene quantum dots with luminol as internal standard. Mikrochim Acta 2021; 188:120. [PMID: 33694007 DOI: 10.1007/s00604-021-04761-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 02/16/2021] [Indexed: 12/13/2022]
Abstract
A novel internal standard electrochemiluminescence (ECL) sensor has been designed for the detection of ascorbic acid (AA). The adopted dual-emission luminophore (NSGQDs-PEI-luminol-Pt) is composed of nitrogen and sulfur double-doped graphene quantum dots (NSGQDs, as the main luminophore), luminol (as the auxiliary luminophore and internal standard), platinum nanoparticles (Pt NPs, as the co-reaction accelerator), and polyetherimide (PEI, as the linker of NSGQDs and luminol). The results suggest obviously enhanced ECL intensities by the Förster resonance energy transfer (FRET) between luminol (donor) and NSGQDs (acceptor). In this sensing system, the cathodic ECL intensities of NSGQDs (ECL-1, -1.8 V vs. Ag/AgCl) gradually decrease with increasing concentration of AA, while the anodic ECL intensities of luminol (ECL-2, 0.3 V vs. Ag/AgCl) almost remain essentially constant at a potential window from -2.0 to 0.4 V. The natural logarithm of the ratio between ECL-1 and ECL-2 (ln I (ECL-1/ECL-2)) shows a good linear relationship with AA concentration ranging from 10 to 360 nM. The regression equation is ln I (ECL-1/ECL-2) = - 0.0059 cAA + 3.55 (R2 = 0.992) with a limit of detection of 3.3 nM. Such sensor has also been applied for monitoring AA in human serum. The recovery range was 96.5-105.3% and the relative standard deviation was 1.3-3.3%.
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Affiliation(s)
- Pingkun Liu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Hui Meng
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Qian Han
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Gui Zhang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Cun Wang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Li Song
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Yingzi Fu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China.
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12
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Ma C, Wu S, Zhou Y, Wei H, Zhang J, Chen Z, Zhu J, Lin Y, Zhu W. Bio‐Coreactant‐Enhanced Electrochemiluminescence Microscopy of Intracellular Structure and Transport. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012171] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Cheng Ma
- State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Shaojun Wu
- State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Yang Zhou
- School of Mechanical and Materials Engineering Washington State University Pullman WA 99164 USA
| | - Hui‐Fang Wei
- State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Jianrong Zhang
- State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Zixuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Jun‐Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Yuehe Lin
- School of Mechanical and Materials Engineering Washington State University Pullman WA 99164 USA
| | - Wenlei Zhu
- School of Mechanical and Materials Engineering Washington State University Pullman WA 99164 USA
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13
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Ma C, Wu S, Zhou Y, Wei HF, Zhang J, Chen Z, Zhu JJ, Lin Y, Zhu W. Bio-Coreactant-Enhanced Electrochemiluminescence Microscopy of Intracellular Structure and Transport. Angew Chem Int Ed Engl 2021; 60:4907-4914. [PMID: 33188721 DOI: 10.1002/anie.202012171] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/24/2020] [Indexed: 12/14/2022]
Abstract
A bio-coreactant-enhanced electrochemiluminescence (ECL) microscopy realizes the ECL imaging of intracellular structure and dynamic transport. This microscopy uses Ru(bpy)3 2+ as the electrochemical molecular antenna connecting extracellular and intracellular environments, and uses intracellular biomolecules as the coreactants of ECL reactions via a "catalytic route". Accordingly, intracellular structures are identified without using multiple labels, and autophagy involving DNA oxidative damage is detected using nuclear ECL signals. A time-resolved image sequence discloses the universal edge effect of cellular electroporation due to the influence of the geometric properties of cell membranes on the induced transmembrane voltage. The dynamic transport of Ru(bpy)3 3+ in the different cellular compartments unveils the heterogeneous intracellular diffusivity correlating with the actin cytoskeleton. In addition to single-cell studies, the bio-coreactant-enhanced ECL microscopy is used to image a slice of a mouse liver and a colony of Shewanella oneidensis MR-1.
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Affiliation(s)
- Cheng Ma
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Shaojun Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Yang Zhou
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA
| | - Hui-Fang Wei
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Jianrong Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Zixuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Yuehe Lin
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA
| | - Wenlei Zhu
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164, USA
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14
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Fiorani A, Han D, Jiang D, Fang D, Paolucci F, Sojic N, Valenti G. Spatially resolved electrochemiluminescence through a chemical lens. Chem Sci 2020; 11:10496-10500. [PMID: 34123186 PMCID: PMC8162283 DOI: 10.1039/d0sc04210b] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 09/13/2020] [Indexed: 12/15/2022] Open
Abstract
Electrochemiluminescence (ECL) microscopy is an emerging technique with a wide range of imaging applications and unique properties in terms of high spatial resolution, surface confinement and favourable signal-to-noise ratio. Despite its successful analytical applications, tuning the depth of field (i.e., thickness of the ECL-emitting layer) is a crucial issue. Indeed, the control of the thickness of this ECL region, which can be considered as an "evanescent" reaction layer, limits the development of cell microscopy as well as bioassays. Here we report an original strategy based on chemical lens effects to tune the ECL-emitting layer in the model [Ru(bpy)3]2+/tri-n-propylamine (TPrA) system. It consists of microbeads decorated with [Ru(bpy)3]2+ labels, classically used in bioassays, and TPrA as the sacrificial coreactant. In particular we exploit the buffer capacity of the solution to modify the rate of the reactions involved in the ECL generation. For the first time, a precise control of the ECL light distribution is demonstrated by mapping the luminescence reactivity at the level of single micrometric bead. The resulting ECL image is the luminescent signature of the concentration profiles of diffusing TPrA radicals, which define the ECL layer. Therefore, our findings provide insights into the ECL mechanism and open new avenues for ECL microscopy and bioassays. Indeed, the reported approach based on a chemical lens controls the spatial extension of the "evanescent" ECL-emitting layer and is conceptually similar to evanescent wave microscopy. Thus, it should allow the exploration and imaging of different heights in substrates or in cells.
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Affiliation(s)
- Andrea Fiorani
- Department of Chemistry "G. Ciamician", University of Bologna Via Selmi 2 40126 Bologna Italy
| | - Dongni Han
- Univ. Bordeaux, Bordeaux INP, ISM, UMR CNRS 5255 33607 Pessac France
- School of Pharmacy, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing Jiangsu 211126 China
| | - Dechen Jiang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University Nanjing Jiangsu 210093 China
| | - Danjun Fang
- School of Pharmacy, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University Nanjing Jiangsu 211126 China
| | - Francesco Paolucci
- Department of Chemistry "G. Ciamician", University of Bologna Via Selmi 2 40126 Bologna Italy
| | - Neso Sojic
- Univ. Bordeaux, Bordeaux INP, ISM, UMR CNRS 5255 33607 Pessac France
- Department of Chemistry, South Ural State University Chelyabinsk 454080 Russian Federation
| | - Giovanni Valenti
- Department of Chemistry "G. Ciamician", University of Bologna Via Selmi 2 40126 Bologna Italy
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15
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Rivera EC, Summerscales RL, Tadi Uppala PP, Kwon HJ. Electrochemiluminescence Mechanisms Investigated with Smartphone-Based Sensor Data Modeling, Parameter Estimation and Sensitivity Analysis. ChemistryOpen 2020; 9:854-863. [PMID: 32832344 PMCID: PMC7435146 DOI: 10.1002/open.202000165] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/07/2020] [Indexed: 12/13/2022] Open
Abstract
The present study introduces a unified framework combining a mechanistic model with a genetic algorithm (GA) for the parameter estimation of electrochemiluminescence (ECL) kinetics of the Ru(bpy)32+/TPrA system occurring in a smartphone-based sensor. The framework allows a straightforward solution for simultaneous estimation of multiple parameters which can be, otherwise, time-consuming and lead to non-convergence. Model parameters are estimated by achieving a high correlation between the model prediction and the measured ECL intensity from the ECL sensor. The developed model is used to perform a sensitivity analysis (SA), which provides quantitative effects of the model parameters on the concentrations of chemical species involved in the system. The results demonstrate that the GA-based parameter estimation and the SA approaches are effective in analyzing the kinetics of the ECL mechanism. Therefore, these approaches can be incorporated as analysis tools in the ECL kinetics study with practical application in the calibration of mechanistic models for any required sensing condition.
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Affiliation(s)
- Elmer Ccopa Rivera
- Department of EngineeringAndrews University8450 E Campus Circle DriveBerrien SpringsMI 49104USA
| | - Rodney L. Summerscales
- Department of ComputingAndrews University4185 E. Campus Circle DriveBerrien SpringsMI 49103USA
| | - Padma P. Tadi Uppala
- School of Population Health, Nutrition & WellnessAndrews University8475 University BoulevardBerrien SpringsMI 49104USA
| | - Hyun J. Kwon
- Department of EngineeringAndrews University8450 E Campus Circle DriveBerrien SpringsMI 49104USA
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16
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Dutta P, Han D, Goudeau B, Jiang D, Fang D, Sojic N. Reactivity mapping of luminescence in space: Insights into heterogeneous electrochemiluminescence bioassays. Biosens Bioelectron 2020; 165:112372. [PMID: 32729504 DOI: 10.1016/j.bios.2020.112372] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/04/2020] [Accepted: 06/06/2020] [Indexed: 12/21/2022]
Abstract
Electrochemiluminescence (ECL) is a powerful (bio)analytical method based on an optical readout. It is successfully applied in the heterogeneous format for immunoassays and imaging using the model and most widely used ECL system, which consists of the immobilized [Ru(bpy)3]2+ label with tripropylamine (TPA) as a coreactant. However, a major drawback is the significant decrease of the ECL intensity over time. Herein, to decipher the process responsible for this progressive loss of ECL signal, we investigated its electrochemical and photophysical properties by mapping the luminescence reactivity at the level of single micrometric beads. Polystyrene beads were functionalized by the [Ru(bpy)3]2+ dye via a sandwich immunoassay or a peptide bond. ECL emission was generated in presence of the very efficient TPA coreactant. Imaging both photoluminescence and ECL reactivities of different regions (located near or far from the electrode surface) of a [Ru(bpy)3]2+-decorated bead allows us to demonstrate the remarkable photophysical stability of the ECL label, even in presence of the very reactive electrogenerated TPA radicals. We show that the ECL vanishing correlates directly with the lower TPA oxidation current. Finally, we propose a simple electrochemical treatment, which allows to regenerate the electrode surface and thus to recover several times the strong initial ECL signal. The reactivity imaging approach provides insights into the ECL mechanism and the main factors governing the stability of the emission, which should find promising ECL applications in bioassays and microscopy.
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Affiliation(s)
- Priyanka Dutta
- Univ. Bordeaux, Bordeaux INP, CNRS, UMR 5255, Site ENSCBP, 33607, Pessac, France
| | - Dongni Han
- Univ. Bordeaux, Bordeaux INP, CNRS, UMR 5255, Site ENSCBP, 33607, Pessac, France; School of Pharmacy and Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 211126, China
| | - Bertrand Goudeau
- Univ. Bordeaux, Bordeaux INP, CNRS, UMR 5255, Site ENSCBP, 33607, Pessac, France
| | - Dechen Jiang
- State Key Laboratory of Analytical Chemistry for Life Science and School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 210093, China
| | - Danjun Fang
- School of Pharmacy and Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu, 211126, China.
| | - Neso Sojic
- Univ. Bordeaux, Bordeaux INP, CNRS, UMR 5255, Site ENSCBP, 33607, Pessac, France; Department of Chemistry, South Ural State University, Chelyabinsk, 454080, Russian Federation.
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17
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Zanut A, Fiorani A, Canola S, Saito T, Ziebart N, Rapino S, Rebeccani S, Barbon A, Irie T, Josel HP, Negri F, Marcaccio M, Windfuhr M, Imai K, Valenti G, Paolucci F. Insights into the mechanism of coreactant electrochemiluminescence facilitating enhanced bioanalytical performance. Nat Commun 2020; 11:2668. [PMID: 32472057 PMCID: PMC7260178 DOI: 10.1038/s41467-020-16476-2] [Citation(s) in RCA: 141] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 05/06/2020] [Indexed: 01/02/2023] Open
Abstract
Electrochemiluminescence (ECL) is a powerful transduction technique with a leading role in the biosensing field due to its high sensitivity and low background signal. Although the intrinsic analytical strength of ECL depends critically on the overall efficiency of the mechanisms of its generation, studies aimed at enhancing the ECL signal have mostly focused on the investigation of materials, either luminophores or coreactants, while fundamental mechanistic studies are relatively scarce. Here, we discover an unexpected but highly efficient mechanistic path for ECL generation close to the electrode surface (signal enhancement, 128%) using an innovative combination of ECL imaging techniques and electrochemical mapping of radical generation. Our findings, which are also supported by quantum chemical calculations and spin trapping methods, led to the identification of a family of alternative branched amine coreactants, which raises the analytical strength of ECL well beyond that of present state-of-the-art immunoassays, thus creating potential ECL applications in ultrasensitive bioanalysis.
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Affiliation(s)
- Alessandra Zanut
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy
- Tandon School of Engineering, New York University, Brooklyn, NY, 11201, USA
| | - Andrea Fiorani
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama, 223-8522, Japan
| | - Sofia Canola
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Toshiro Saito
- Hitachi High-Tech Corporation, 882, Ichige, Hitachinaka-shi, Ibaraki-ken, 312-8504, Japan
| | - Nicole Ziebart
- Roche Diagnostics GmbH, Nonnenwald 2, 82377, Penzberg, Germany
| | - Stefania Rapino
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Sara Rebeccani
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Antonio Barbon
- Department of Chemical Sciences, University of Padova, Via F. Marzolo 1, 35131, Padova, Italy
| | - Takashi Irie
- Hitachi High-Tech Corporation, 882, Ichige, Hitachinaka-shi, Ibaraki-ken, 312-8504, Japan
| | | | - Fabrizia Negri
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Massimo Marcaccio
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy
| | | | - Kyoko Imai
- Hitachi High-Tech Corporation, 882, Ichige, Hitachinaka-shi, Ibaraki-ken, 312-8504, Japan
| | - Giovanni Valenti
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy.
| | - Francesco Paolucci
- Department of Chemistry Giacomo Ciamician, University of Bologna, via Selmi 2, 40126, Bologna, Italy.
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18
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Fiorani A, Eßmann V, Santos CS, Schuhmann W. Enhancing Electrogenerated Chemiluminescence on Platinum Electrodes through Surface Modification. ChemElectroChem 2020. [DOI: 10.1002/celc.202000103] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Andrea Fiorani
- Analytical Chemistry - Center for Electrochemical Sciences (CES) Faculty of Chemistry and BiochemistryRuhr University Bochum Universitätstr. 150 D-44780 Bochum Germany
- Department of ChemistryKeio University 3-14-1 Hiyoshi Yokohama 223–8522 Japan
| | - Vera Eßmann
- Analytical Chemistry - Center for Electrochemical Sciences (CES) Faculty of Chemistry and BiochemistryRuhr University Bochum Universitätstr. 150 D-44780 Bochum Germany
| | - Carla Santana Santos
- Analytical Chemistry - Center for Electrochemical Sciences (CES) Faculty of Chemistry and BiochemistryRuhr University Bochum Universitätstr. 150 D-44780 Bochum Germany
| | - Wolfgang Schuhmann
- Analytical Chemistry - Center for Electrochemical Sciences (CES) Faculty of Chemistry and BiochemistryRuhr University Bochum Universitätstr. 150 D-44780 Bochum Germany
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19
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Ding H, Guo W, Su B. Imaging Cell‐Matrix Adhesions and Collective Migration of Living Cells by Electrochemiluminescence Microscopy. Angew Chem Int Ed Engl 2019; 59:449-456. [DOI: 10.1002/anie.201911190] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/03/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Hao Ding
- Institute of Analytical Chemistry Department of Chemistry Zhejiang University Hangzhou 310058 China
| | - Weiliang Guo
- Institute of Analytical Chemistry Department of Chemistry Zhejiang University Hangzhou 310058 China
| | - Bin Su
- Institute of Analytical Chemistry Department of Chemistry Zhejiang University Hangzhou 310058 China
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20
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Ding H, Guo W, Su B. Imaging Cell‐Matrix Adhesions and Collective Migration of Living Cells by Electrochemiluminescence Microscopy. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911190] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Hao Ding
- Institute of Analytical Chemistry Department of Chemistry Zhejiang University Hangzhou 310058 China
| | - Weiliang Guo
- Institute of Analytical Chemistry Department of Chemistry Zhejiang University Hangzhou 310058 China
| | - Bin Su
- Institute of Analytical Chemistry Department of Chemistry Zhejiang University Hangzhou 310058 China
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21
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Nakamura R, Narikiyo H, Gon M, Tanaka K, Chujo Y. Oxygen-Resistant Electrochemiluminescence System with Polyhedral Oligomeric Silsesquioxane. Polymers (Basel) 2019; 11:polym11071170. [PMID: 31295820 PMCID: PMC6680606 DOI: 10.3390/polym11071170] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 07/06/2019] [Accepted: 07/07/2019] [Indexed: 11/16/2022] Open
Abstract
We report the oxygen-resistant electrochemiluminescence (ECL) system from the polyhedral oligomeric silsesquioxane (POSS)-modified tris(2,2'-bipyridyl)ruthenium(II) complex (Ru-POSS). In electrochemical measurements, including cyclic voltammetry (CV), it is shown that electric current and ECL intensity increase in the mixture system containing Ru-POSS and tripropylamine (TPrA) on the indium tin oxide (ITO) working electrode. The lower onset potential (Eonset) in CV is observed with Ru-POSS compared to tris(2,2'-bipyridyl)ruthenium(II) complex (Ru(bpy)32+). From the series of mechanistic studies, it was shown that adsorption of Ru-POSS onto the ITO electrode enhances TPrA oxidation and subsequently the efficiency of ECL with lower voltage. Moreover, oxygen quenching of ECL was suppressed, and it is proposed that the enhancement to the production of the TPrA radical could contribute to improving oxygen resistance. Finally, the ECL-based detection for water pollutant is demonstrated without the degassing treatment. The commodity system with Ru(bpy)32+ is not applicable in the absence of degassing with the sample solutions due to critical signal suppression, meanwhile the present system based on Ru-POSS was feasible for estimating the amount of the target even under aerobic conditions by fitting the ECL intensity to the standard curve. One of critical disadvantages of ECL can be solved by the hybrid formation with POSS.
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Affiliation(s)
- Ryota Nakamura
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Hayato Narikiyo
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Masayuki Gon
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Kazuo Tanaka
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan.
| | - Yoshiki Chujo
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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22
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Zanut A, Fiorani A, Rebeccani S, Kesarkar S, Valenti G. Electrochemiluminescence as emerging microscopy techniques. Anal Bioanal Chem 2019; 411:4375-4382. [PMID: 31020369 DOI: 10.1007/s00216-019-01761-x] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/30/2019] [Accepted: 03/06/2019] [Indexed: 10/26/2022]
Abstract
The use of electrochemiluminescence (ECL), i.e., chemiluminescence triggered by electrochemical stimulus, as emitting light source for microscopy is an emerging approach with different applications ranging from the visualization of nanomaterials to cell mapping. In this trend article, we give an overview of the state of the art in this new field with the purpose to illustrate all the possible applications so far explored as well as describing the mechanism underlying this transduction technique. The results discussed here would highlight the great potential of the combination between ECL and microscopy and how this marriage can turn into an innovative approach with specific application in analytical sciences. Graphical abstract.
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Affiliation(s)
- Alessandra Zanut
- Department of Chemistry "G. Ciamician", University of Bologna, Via F. Selmi 2, 40126, Bologna, Italy
| | - Andrea Fiorani
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama, 223-8522, Japan
| | - Sara Rebeccani
- Department of Chemistry "G. Ciamician", University of Bologna, Via F. Selmi 2, 40126, Bologna, Italy
| | - Sagar Kesarkar
- Department of Chemistry "G. Ciamician", University of Bologna, Via F. Selmi 2, 40126, Bologna, Italy
| | - Giovanni Valenti
- Department of Chemistry "G. Ciamician", University of Bologna, Via F. Selmi 2, 40126, Bologna, Italy.
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23
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Liu W, Chen A, Li S, Peng K, Chai Y, Yuan R. Perylene Derivative/Luminol Nanocomposite as a Strong Electrochemiluminescence Emitter for Construction of an Ultrasensitive MicroRNA Biosensor. Anal Chem 2018; 91:1516-1523. [DOI: 10.1021/acs.analchem.8b04638] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Wei Liu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Anyi Chen
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Shengkai Li
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Kanfu Peng
- Department of Kidney, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Yaqin Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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24
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Voci S, Goudeau B, Valenti G, Lesch A, Jović M, Rapino S, Paolucci F, Arbault S, Sojic N. Surface-Confined Electrochemiluminescence Microscopy of Cell Membranes. J Am Chem Soc 2018; 140:14753-14760. [PMID: 30336008 DOI: 10.1021/jacs.8b08080] [Citation(s) in RCA: 194] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Herein is reported a surface-confined microscopy based on electrochemiluminescence (ECL) that allows to image the plasma membrane of single cells at the interface with an electrode. By analyzing photoluminescence (PL), ECL and AFM images of mammalian CHO cells, we demonstrate that, in contrast to the wide-field fluorescence, ECL emission is confined to the immediate vicinity of the electrode surface and only the basal membrane of the cell becomes luminescent. The resulting ECL microscopy reveals details that are not resolved by classic fluorescence microscopy, without any light irradiation and specific setup. The thickness of the ECL-emitting regions is ∼500 nm due to the unique ECL mechanism that involves short-lifetime electrogenerated radicals. In addition, the reported ECL microscopy is a dynamic technique that reflects the transport properties through the cell membranes and not only the specific labeling of the membranes. Finally, disposable transparent carbon nanotube (CNT)-based electrodes inkjet-printed on classic microscope glass coverslips were used to image cells in both reflection and transmission configurations. Therefore, our approach opens new avenues for ECL as a surface-confined microscopy to develop single cell assays and to image the dynamics of biological entities in cells or in membranes.
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Affiliation(s)
- Silvia Voci
- University of Bordeaux , Bordeaux INP, ISM, UMR CNRS 5255 , 33607 Pessac , France
| | - Bertrand Goudeau
- University of Bordeaux , Bordeaux INP, ISM, UMR CNRS 5255 , 33607 Pessac , France
| | - Giovanni Valenti
- Department of Chemistry "G. Ciamician" , University of Bologna , Via Selmi 2 , 40126 Bologna , Italy
| | - Andreas Lesch
- Laboratory of Physical and Analytical Electrochemistry , EPFL Valais Wallis , Rue de l'Industrie 17, CP 440 , CH-1951 Sion , Switzerland
| | - Milica Jović
- Laboratory of Physical and Analytical Electrochemistry , EPFL Valais Wallis , Rue de l'Industrie 17, CP 440 , CH-1951 Sion , Switzerland
| | - Stefania Rapino
- Department of Chemistry "G. Ciamician" , University of Bologna , Via Selmi 2 , 40126 Bologna , Italy
| | - Francesco Paolucci
- Department of Chemistry "G. Ciamician" , University of Bologna , Via Selmi 2 , 40126 Bologna , Italy
| | - Stéphane Arbault
- University of Bordeaux , Bordeaux INP, ISM, UMR CNRS 5255 , 33607 Pessac , France
| | - Neso Sojic
- University of Bordeaux , Bordeaux INP, ISM, UMR CNRS 5255 , 33607 Pessac , France
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25
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Valenti G, Rampazzo E, Kesarkar S, Genovese D, Fiorani A, Zanut A, Palomba F, Marcaccio M, Paolucci F, Prodi L. Electrogenerated chemiluminescence from metal complexes-based nanoparticles for highly sensitive sensors applications. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.04.011] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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26
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Kudruk S, Villani E, Polo F, Lamping S, Körsgen M, Arlinghaus HF, Paolucci F, Ravoo BJ, Valenti G, Rizzo F. Solid state electrochemiluminescence from homogeneous and patterned monolayers of bifunctional spirobifluorene. Chem Commun (Camb) 2018; 54:4999-5002. [DOI: 10.1039/c8cc02066c] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Electrochemiluminescence (ECL) from self-assembled monolayers of a spirobifluorene dye covalently linked to a transparent ITO surface is reported.
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Affiliation(s)
- Sergej Kudruk
- Organic Chemistry Institute and CeNTech
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Elena Villani
- Department of Chemistry “G. Ciamician”
- University of Bologna
- 40126 Bologna
- Italy
| | - Federico Polo
- National Cancer Institute-CRO Aviano
- 33081 Aviano
- Italy
| | - Sebastian Lamping
- Organic Chemistry Institute and CeNTech
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Martin Körsgen
- Physics Institute
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | | | - Francesco Paolucci
- Department of Chemistry “G. Ciamician”
- University of Bologna
- 40126 Bologna
- Italy
| | - Bart Jan Ravoo
- Organic Chemistry Institute and CeNTech
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Giovanni Valenti
- Department of Chemistry “G. Ciamician”
- University of Bologna
- 40126 Bologna
- Italy
| | - Fabio Rizzo
- Organic Chemistry Institute and CeNTech
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
- Institute of Molecular Science and Technologies (ISTM)
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27
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Zhao J, Liang WB, Lei YM, Ou YX, Chai YQ, Yuan R, Zhuo Y. An efficient electrochemiluminescence amplification strategy via bis-co-reaction accelerator for sensitive detection of laminin to monitor overnutrition associated liver damage. Biosens Bioelectron 2017; 98:317-324. [DOI: 10.1016/j.bios.2017.07.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 06/27/2017] [Accepted: 07/02/2017] [Indexed: 02/02/2023]
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28
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Valenti G, Scarabino S, Goudeau B, Lesch A, Jović M, Villani E, Sentic M, Rapino S, Arbault S, Paolucci F, Sojic N. Single Cell Electrochemiluminescence Imaging: From the Proof-of-Concept to Disposable Device-Based Analysis. J Am Chem Soc 2017; 139:16830-16837. [PMID: 29064235 DOI: 10.1021/jacs.7b09260] [Citation(s) in RCA: 182] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We report here the development of coreactant-based electrogenerated chemiluminescence (ECL) as a surface-confined microscopy to image single cells and their membrane proteins. Labeling the entire cell membrane allows one to demonstrate that, by contrast with fluorescence, ECL emission is only detected from fluorophores located in the immediate vicinity of the electrode surface (i.e., 1-2 μm). Then, to present the potential diagnostic applications of our approach, we selected carbon nanotubes (CNT)-based inkjet-printed disposable electrodes for the direct ECL imaging of a labeled plasma receptor overexpressed on tumor cells. The ECL fluorophore was linked to an antibody and enabled to localize the ECL generation on the cancer cell membrane in close proximity to the electrode surface. Such a result is intrinsically associated with the unique ECL mechanism and is rationalized by considering the limited lifetimes of the electrogenerated coreactant radicals. The electrochemical stimulus used for luminescence generation does not suffer from background signals, such as the typical autofluorescence of biological samples. The presented surface-confined ECL microscopy should find promising applications in ultrasensitive single cell imaging assays.
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Affiliation(s)
- Giovanni Valenti
- Department of Chemistry ''G. Ciamician'', University of Bologna , Via Selmi 2, 40126 Bologna, Italy
| | - Sabina Scarabino
- University of Bordeaux, Bordeaux INP, ISM, UMR CNRS 5255, 33607 Pessac, France
| | - Bertrand Goudeau
- University of Bordeaux, Bordeaux INP, ISM, UMR CNRS 5255, 33607 Pessac, France
| | - Andreas Lesch
- Laboratory of Physical and Analytical Electrochemistry, EPFL Valais Wallis , Rue de l'Industrie 17, CP 440, CH-1951 Sion, Switzerland
| | - Milica Jović
- Laboratory of Physical and Analytical Electrochemistry, EPFL Valais Wallis , Rue de l'Industrie 17, CP 440, CH-1951 Sion, Switzerland
| | - Elena Villani
- Department of Chemistry ''G. Ciamician'', University of Bologna , Via Selmi 2, 40126 Bologna, Italy
| | - Milica Sentic
- University of Bordeaux, Bordeaux INP, ISM, UMR CNRS 5255, 33607 Pessac, France
| | - Stefania Rapino
- Department of Chemistry ''G. Ciamician'', University of Bologna , Via Selmi 2, 40126 Bologna, Italy
| | - Stéphane Arbault
- University of Bordeaux, Bordeaux INP, ISM, UMR CNRS 5255, 33607 Pessac, France
| | - Francesco Paolucci
- Department of Chemistry ''G. Ciamician'', University of Bologna , Via Selmi 2, 40126 Bologna, Italy.,ICMATE-CNR Bologna Associate Unit, University of Bologna , via Selmi 2, 40126 Bologna, Italy
| | - Neso Sojic
- University of Bordeaux, Bordeaux INP, ISM, UMR CNRS 5255, 33607 Pessac, France
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29
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Liu JL, Tang ZL, Zhuo Y, Chai YQ, Yuan R. Ternary Electrochemiluminescence System Based on Rubrene Microrods as Luminophore and Pt Nanomaterials as Coreaction Accelerator for Ultrasensitive Detection of MicroRNA from Cancer Cells. Anal Chem 2017; 89:9108-9115. [DOI: 10.1021/acs.analchem.7b01812] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jia-Li Liu
- Key Laboratory of Luminescent
and Real-Time Analytical Chemistry (Southwest University), Ministry
of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhi-Ling Tang
- Key Laboratory of Luminescent
and Real-Time Analytical Chemistry (Southwest University), Ministry
of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Ying Zhuo
- Key Laboratory of Luminescent
and Real-Time Analytical Chemistry (Southwest University), Ministry
of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Ya-Qin Chai
- Key Laboratory of Luminescent
and Real-Time Analytical Chemistry (Southwest University), Ministry
of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Ruo Yuan
- Key Laboratory of Luminescent
and Real-Time Analytical Chemistry (Southwest University), Ministry
of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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30
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Juzgado A, Soldà A, Ostric A, Criado A, Valenti G, Rapino S, Conti G, Fracasso G, Paolucci F, Prato M. Highly sensitive electrochemiluminescence detection of a prostate cancer biomarker. J Mater Chem B 2017; 5:6681-6687. [PMID: 32264431 DOI: 10.1039/c7tb01557g] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Prostate-specific membrane antigen (PSMA), a glycoprotein expressed in the prostatic epithelium endowed with enzymatic activity, is a very promising diagnostic marker for the early detection of prostate cancer. In this study, we report a novel electrochemiluminescence ELISA-like immunosensor based on carbon nanotubes and a highly specific sandwich immunoassay for the PSMA detection. To fabricate the device, an optically transparent electrode was modified with doubly functionalized multi-walled carbon nanotubes carrying amine groups and a monoclonal anti-PSMA antibody. Subsequently, to complete the sandwich immunosensing device, a second specific monoclonal anti-PSMA antibody was labelled with a electrochemiluminescent probe. Under optimized experimental conditions, the proposed sensing device exhibits a performance exceeding that of the state of-the-art in terms of the limit of detection (LOD) and limit of quantification (LOQ) as good as 0.88 ng mL-1 and 2.60 ng mL-1, respectively, in real complex samples such as cell lysates. In addition, the unique role of carbon nanotubes is also discussed by comparison with an analogue sensor assembled without the nanocarbon-based material.
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Affiliation(s)
- A Juzgado
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Piazzale Europa, 1, 34127 Trieste, Italy.
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31
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Potential-resolved electrochemiluminescence immunoassay for simultaneous determination of CEA and AFP tumor markers using dendritic nanoclusters and Fe3O4@SiO2 nanoparticles. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2386-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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32
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Bertoncello P, Ugo P. Recent Advances in Electrochemiluminescence with Quantum Dots and Arrays of Nanoelectrodes. ChemElectroChem 2017. [DOI: 10.1002/celc.201700201] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Paolo Bertoncello
- College of Engineering; Swansea University; Bay Campus Swansea SA1 8EN United Kingdom
| | - Paolo Ugo
- Department of Molecular Sciences and Nanosystems; University Ca' Foscari Venice; via Torino 155 30172 Venezia-Mestre Italy
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33
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Affiliation(s)
- Jingwei Sun
- Department of Materials Chemistry; Huzhou University; Huzhou 313000 P.R. China
| | - Hao Sun
- Department of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310014 P.R. China
| | - Ziqi Liang
- Department of Materials Science; Fudan University; Shanghai 200433 P.R. China
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34
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A fluorine-doped tin oxide electrode modified with gold nanoparticles for electrochemiluminescent determination of hydrogen peroxide released by living cells. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-2051-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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35
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Valenti G, Rampazzo E, Bonacchi S, Petrizza L, Marcaccio M, Montalti M, Prodi L, Paolucci F. Variable Doping Induces Mechanism Swapping in Electrogenerated Chemiluminescence of Ru(bpy)32+ Core–Shell Silica Nanoparticles. J Am Chem Soc 2016; 138:15935-15942. [DOI: 10.1021/jacs.6b08239] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Giovanni Valenti
- Department
of Chemistry ‘‘G. Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Enrico Rampazzo
- Department
of Chemistry ‘‘G. Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Sara Bonacchi
- Department
of Chemistry ‘‘G. Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Luca Petrizza
- Department
of Chemistry ‘‘G. Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Massimo Marcaccio
- Department
of Chemistry ‘‘G. Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Marco Montalti
- Department
of Chemistry ‘‘G. Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Luca Prodi
- Department
of Chemistry ‘‘G. Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Francesco Paolucci
- Department
of Chemistry ‘‘G. Ciamician’’, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
- ICMATE-CNR
Bologna Associate Unit, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
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36
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Valenti G, Fiorani A, Li H, Sojic N, Paolucci F. Essential Role of Electrode Materials in Electrochemiluminescence Applications. ChemElectroChem 2016. [DOI: 10.1002/celc.201600602] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Giovanni Valenti
- Department of Chemistry “G. Ciamician”; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Andrea Fiorani
- Department of Chemistry “G. Ciamician”; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Haidong Li
- University of Bordeaux; INP Bordeaux, Institut des Sciences Moléculaires, CNRS UMR 5255, ENSCBP; 33607 Pessac France
| | - Neso Sojic
- University of Bordeaux; INP Bordeaux, Institut des Sciences Moléculaires, CNRS UMR 5255, ENSCBP; 33607 Pessac France
| | - Francesco Paolucci
- Department of Chemistry “G. Ciamician”; University of Bologna; Via Selmi 2 40126 Bologna Italy
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37
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Liu X, Dong M, Qi H, Gao Q, Zhang C. Electrogenerated Chemiluminescence Bioassay of Two Protein Kinases Incorporating Peptide Phosphorylation and Versatile Probe. Anal Chem 2016; 88:8720-7. [DOI: 10.1021/acs.analchem.6b02070] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Xia Liu
- Key Laboratory
of Analytical
Chemistry for Life Science of Shaanxi Province, School of Chemistry
and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, P. R. China
| | - Manman Dong
- Key Laboratory
of Analytical
Chemistry for Life Science of Shaanxi Province, School of Chemistry
and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, P. R. China
| | - Honglan Qi
- Key Laboratory
of Analytical
Chemistry for Life Science of Shaanxi Province, School of Chemistry
and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, P. R. China
| | - Qiang Gao
- Key Laboratory
of Analytical
Chemistry for Life Science of Shaanxi Province, School of Chemistry
and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, P. R. China
| | - Chengxiao Zhang
- Key Laboratory
of Analytical
Chemistry for Life Science of Shaanxi Province, School of Chemistry
and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, P. R. China
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38
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Lei YM, Zhao M, Wang A, Yu YQ, Chai YQ, Yuan R, Zhuo Y. Electrochemiluminescence of Supramolecular Nanorods and Their Application in the "On-Off-On" Detection of Copper Ions. Chemistry 2016; 22:8207-14. [PMID: 27138042 DOI: 10.1002/chem.201504995] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 03/16/2016] [Indexed: 12/23/2022]
Abstract
In this work, an "on-off-on" switch system has been successfully applied through the construction of an electrochemiluminscent biosensor for copper ion (Cu(2+) ) detection based on a new electrochemiluminescence (ECL) emitter of supramolecular nanorods, which was achieved through supramolecular interactions between 3,4,9,10-perylenetetracarboxylic acid (PTCA) and aniline. The initial "signal-on" state with strong and stable ECL emission was obtained by use of the supramolecular nanorods with a new signal amplification strategy involving a co-reaction accelerator. In addition, ECL quencher probes (Fc-NH2 /Cu-Sub/nano-Au) were fabricated by immobilizing aminoferrocene (Fc-NH2 ) on Cu-substrate strand modified Au nanoparticles. The quencher probes were hybridized with the immobilized Cu-enzyme strand to form Cu(2+) -specific DNAzyme. Similarly, the "signal-off" state was obtained by the high quenching effect of Fc-NH2 on the ECL of the excited-state PTCA ((1) PTCA*). As expected, the second "switch-on" state could achieved by incubating with the target Cu(2+) , owing to the Cu(2+) -specific DNAzyme, which was irreversibly cleaved, resulting in the release of the quencher probes from the sensor interface. Herein, on the basis of the ECL intensity changes (ΔIECL ) before and after incubating with the target Cu(2+) , the prepared Cu(2+) -specific DNAzyme-based biosensor was used for the determination of Cu(2+) concentrations with high sensitivity, excellent selectivity, and good regeneration.
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Affiliation(s)
- Yan-Mei Lei
- The Key Laboratory of Eco-environments in the Three Gorges Reservoir Region, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P.R. China
| | - Min Zhao
- The Key Laboratory of Eco-environments in the Three Gorges Reservoir Region, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P.R. China
| | - Ai Wang
- The Key Laboratory of Eco-environments in the Three Gorges Reservoir Region, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P.R. China
| | - Yan-Qing Yu
- The Key Laboratory of Eco-environments in the Three Gorges Reservoir Region, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P.R. China
| | - Ya-Qin Chai
- The Key Laboratory of Eco-environments in the Three Gorges Reservoir Region, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P.R. China
| | - Ruo Yuan
- The Key Laboratory of Eco-environments in the Three Gorges Reservoir Region, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P.R. China.
| | - Ying Zhuo
- The Key Laboratory of Eco-environments in the Three Gorges Reservoir Region, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P.R. China.
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39
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Dang Q, Gao H, Li Z, Qi H, Gao Q, Zhang C. Simple and sensitive electrogenerated chemiluminescence peptide-based biosensor for detection of matrix metalloproteinase 2 released from living cells. Anal Bioanal Chem 2016; 408:7067-75. [DOI: 10.1007/s00216-016-9360-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 12/29/2015] [Accepted: 01/25/2016] [Indexed: 12/01/2022]
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40
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JIANG G, LIU X, WANG Y, RUAN S, QI H, YANG Y, ZHOU Q, ZHANG C. Design and Application of Multi-functional Electrogenerated Chemiluminescence Imaging Analyzer. ANAL SCI 2016; 32:1023-7. [DOI: 10.2116/analsci.32.1023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Guangfu JIANG
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University
| | - Xia LIU
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University
| | - Yaqin WANG
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University
| | - Sanpeng RUAN
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University
| | - Honglan QI
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University
| | - Yong YANG
- Xi’an Remax Analysis Instruments Co. Ltd
| | - Qishe ZHOU
- Xi’an Remax Analysis Instruments Co. Ltd
| | - Chengxiao ZHANG
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University
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