Advances in electrochemiluminescence for single-cell analysis DOI
Qian Yang, Xiaoyu Huang, Beibei Gao

et al.

The Analyst, Journal Year: 2022, Volume and Issue: 148(1), P. 9 - 25

Published: Dec. 7, 2022

Recent years have witnessed the emergence of innovative analytical methods with high sensitivity and spatiotemporal resolution that allowed qualitative quantitative analysis to be carried out at single-cell subcellular levels. Electrochemiluminescence (ECL) is a unique chemiluminescence high-energy electron transfer triggered by electrical excitation. The ingenious combination electrochemistry results in distinct advantages sensitivity, wide dynamic range good reproducibility. Specifically, ECL (SCECL) excellent has emerged as promising toolbox bioanalysis for revealing individual cells' heterogeneity stochastic processes. This review focuses on advances SCECL bioimaging. history recent probes strategies system design are briefly reviewed. Subsequently, latest representative techniques bioassays, bioimaging therapeutics also highlighted. Then, current challenges future perspectives discussed.

Language: Английский

Spatially resolved electrochemiluminescence through a chemical lens DOI Creative Commons
Andrea Fiorani, Dongni Han, Dechen Jiang

et al.

Chemical Science, Journal Year: 2020, Volume and Issue: 11(38), P. 10496 - 10500

Published: Jan. 1, 2020

A versatile mechanism based on a chemical lens to control the electrochemiluminescence (ECL) spatial distribution is presented. Changing buffer capacity modifies rate of ECL reactions, and therefore thickness ECL-active layer.

Language: Английский

Citations

70

Uncovering the Depths of the Human Proteome: Antibody-based Technologies for Ultrasensitive Multiplexed Protein Detection and Quantification DOI Creative Commons

Annie Ren,

Eleftherios P. Diamandis, Vathany Kulasingam

et al.

Molecular & Cellular Proteomics, Journal Year: 2021, Volume and Issue: 20, P. 100155 - 100155

Published: Jan. 1, 2021

Probing the human proteome in tissues and biofluids such as plasma is attractive for biomarker drug target discovery. Recent breakthroughs multiplex, antibody-based, proteomics technologies now enable simultaneous quantification of thousands proteins at low sub fg/ml concentrations with remarkable dynamic ranges up to 10-log. We herein provide a comprehensive guide methodologies, performance, technical comparisons, advantages, disadvantages established emerging multiplexed ultrasensitive measurement proteins. Gaining holistic knowledge on these innovations crucial choosing right tool applications hand critically complement traditional methods. This can bring researchers closer than ever before elucidating intricate inner workings cross talk that spans multitude disease mechanisms.

Language: Английский

Citations

60

Electrochemiluminescence Biosensors Using Screen-Printed Electrodes DOI Creative Commons
Emiliano Martínez‐Periñán, Cristina Gutiérrez‐Sánchez, Tania García‐Mendiola

et al.

Biosensors, Journal Year: 2020, Volume and Issue: 10(9), P. 118 - 118

Published: Sept. 9, 2020

Electrogenerated chemiluminescence (also called electrochemiluminescence (ECL)) has become a great focus of attention in different fields analysis, mainly as consequence the potential remarkably high sensitivity and wide dynamic range. In particular case sensing applications, ECL biosensor unites benefits selectivity biological recognition elements analysis methods. Hence, it is powerful analytical device for sensitive detection analytes interest medical prognosis diagnosis, food control environment. These range applications are increased by introduction screen-printed electrodes (SPEs). Disposable SPE-based biosensors cover need to perform in-situ measurements with portable devices quickly accurately. this review, we sum up latest biosensing current progress on bioanalysis combined disposable SPEs field bio affinity sensors including immunosensors, DNA catalytic sensors. Furthermore, integration nanomaterials physical chemical properties systems improved tremendously their overall performance, being one most appropriates research development highly devices.

Language: Английский

Citations

53

Mapping the Distribution of Potential Gradient in Bipolar Electrochemical Systems through Luminol Electrochemiluminescence Imaging DOI
Elena Villani, Shinsuke Inagi

Analytical Chemistry, Journal Year: 2021, Volume and Issue: 93(23), P. 8152 - 8160

Published: June 3, 2021

Bipolar electrochemistry has been regarded as a powerful and sustainable electrochemical process for the synthesis of novel functional materials. The appealing features this technology, such wireless nature bipolar electrode (BPE) possibility to drive simultaneously reactions on multiple BPEs placed in same cell, together with change shape positioning driving electrodes, give significant freedom design reaction systems. Nevertheless, cell geometry dramatically affects distribution intensity potential gradient generated BPE surface its monitoring is hampered due BPE. In present study, we propose use electrochemiluminescence (ECL) an imaging technique map cells different geometries. proposed approach exploits strong ECL emission luminol/hydrogen peroxide (H2O2) system at anodic pole BPE, when total applied voltage (Etot) enough trigger reaction. Since luminol rather intense relatively stable, evolution function Etot can be monitored using digital camera, allowing elucidation profile every configuration. suggested represents valuable reliable method systems readily employed type

Language: Английский

Citations

49

Enhanced Cathodic Electrochemiluminescence of Luminol on Iron Electrodes DOI

Minghui Feng,

Alice L. Dauphin, Laurent Bouffier

et al.

Analytical Chemistry, Journal Year: 2021, Volume and Issue: 93(49), P. 16425 - 16431

Published: Nov. 29, 2021

Electrochemiluminescence (ECL) behavior of luminol derivative was investigated in reduction on different electrode materials. We found that and its widely used L-012 derivative, emitting at physiological pH values, exhibit strong cathodic ECL emission iron stainless steel electrodes with hydrogen peroxide, whereas no signal observed other classic materials (Au, Pt, C). On a Ni electrode, low observed. This points out to the essential role iron-containing enhance emission. Under reported conditions, is comparable classically anodic Thus, dual bright emissions were obtained simultaneously oxidation as imaged wireless bipolar electrochemistry configuration. Such an system generating light concomitantly extremely rare it opens appealing (bio)analytical imaging applications, biosensing, remote detection, analysis, ECL-based cell microscopy.

Language: Английский

Citations

48

Electrochemiluminescence imaging of respiratory activity of cellular spheroids using sequential potential steps DOI Creative Commons
Kaoru Hiramoto, Kosuke Ino,

Keika Komatsu

et al.

Biosensors and Bioelectronics, Journal Year: 2021, Volume and Issue: 181, P. 113123 - 113123

Published: March 1, 2021

Language: Английский

Citations

41

Enzymatic Biosensors with Electrochemiluminescence Transduction DOI
Isnaini Rahmawati, Yasuaki Einaga, Tribidasari A. Ivandini

et al.

ChemElectroChem, Journal Year: 2022, Volume and Issue: 9(12)

Published: April 25, 2022

Abstract Sensors rely on a plurality of transduction methods, and among the available selections, electrochemical techniques offer peculiar advantage an easy interfacing between biological recognition elements electronic signal processes. Furthermore, devices are qualified for decentralized point‐of‐care testing as they can be easily downsized made at low cost wide range potential applications, example biomedical or environmental. Electrochemical methods differ technique used, it voltammetry, chronoamperometry, impedance spectroscopy, electrochemiluminescence. The latter is since in electrochemiluminescence analytical light emission, this offers several advantages, mainly related to background suppression detection limit, combined with fast measurement. This review introduces principles enzyme biosensors coupled transduction, summarises research, finally highlights strategies take full method.

Language: Английский

Citations

29

Structural DNA tetrahedra and its electrochemical-related surface sensing DOI
Pu Zhang, Ying Zhuo, Yaqin Chai

et al.

TrAC Trends in Analytical Chemistry, Journal Year: 2023, Volume and Issue: 160, P. 116979 - 116979

Published: Feb. 10, 2023

Language: Английский

Citations

20

Ultrasensitive Protein Detection Technologies for Extracellular Vesicle Measurements DOI Creative Commons
Adnan Shami Shah, Maia Norman, David R. Walt

et al.

Molecular & Cellular Proteomics, Journal Year: 2023, Volume and Issue: 22(6), P. 100557 - 100557

Published: April 23, 2023

Extracellular vesicles (EVs) are nanoscopic, heterogenous, lipid-rich particles that carry a multitude of cargo biomolecules including proteins, nucleic acids, and metabolites. Although historically EVs were regarded as cellular debris with no intrinsic value, growing understanding EV biogenesis has led to the realization facilitate intercellular communication sources liquid biomarkers. can be isolated analyzed from wide variety accessible biofluids for biomarker discovery diagnostic applications. There is diversity different biological compartments (e.g., cells tissues), some these present at extremely low concentrations. Consequently, challenge in field find appropriate markers enable selective isolation rare EVs. Many conventional protein detection technologies have limited sensitivity detect abundance biomarkers EVs, limiting their use research. Advances ultrasensitive needed harness potential clinical application. This Perspective highlights current research focusing on technologies, limitations, areas growth future.

Language: Английский

Citations

18

From theory to practice: understanding the challenges in the implementation of electrogenerated chemiluminescence for analytical applications DOI Creative Commons

Gabriele Giagu,

Alessandro Fracassa, Andrea Fiorani

et al.

Microchimica Acta, Journal Year: 2024, Volume and Issue: 191(6)

Published: May 31, 2024

Electrogenerated chemiluminescence (ECL) stands out as a remarkable phenomenon of light emission at electrodes initiated by electrogenerated species in solution. Characterized its exceptional sensitivity and minimal background optical signals, ECL finds applications across diverse domains, including biosensing, imaging, various analytical applications. This review aims to serve comprehensive guide the utilization Beginning with brief exposition on theory basis generation, we elucidate systems employed initiate ECL. Furthermore, delineate principal utilized for generation contexts, elucidating both advantages challenges inherent their use. Additionally, provide an overview different electrode materials novel ECL-based protocols tailored purposes, specific emphasis biosensing

Language: Английский

Citations

7