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Open AccessJournal ArticleDOI

Recent Advances in Electrochemiluminescence with Quantum Dots and Arrays of Nanoelectrodes

Paolo Bertoncello, +1 more
- Vol. 4, Iss: 7, pp 1663-1676
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TLDR
In this paper, the authors present the last advances related to analytical and bioanalytical applications of electrochemiluminescence achieved by exploiting the special optical or electrochemical properties of quantum dots and nanoelectrodes, respectively.
Abstract
This review presents the last advances related to analytical and bioanalytical applications of electrochemiluminescence (ECL) achieved by exploiting the special optical or electrochemical properties of quantum dots and nanoelectrodes, respectively. After a brief introduction which covers the basic concepts of ECL detection, the review presents relevant examples dealing with in the use of quantum dots and arrays of nanoelectrodes to improve the analytical and bioanalytical capabilities of ECL. Finally, prospects and limits derived from the application of the above advanced nanomaterials to stimulate ECL emission are discussed.

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Recent advances in microfluidic paper-based electrochemiluminescence analytical devices for point-of-care testing applications.

TL;DR: This review examines various ECL signal amplification labels, inexpensive and portable devices, such as rechargeable batteries, which have replaced traditional instrumentation and different light detection technologies used in paper ECL devices and tabulates systematized data on figures of merit and novel types of ECL labels, used for detection of various biomarkers and analytes.
Journal ArticleDOI

Electrochemiluminescence Platforms Based on Small Water‐Insoluble Organic Molecules for Ultrasensitive Aqueous‐Phase Detection

TL;DR: A mechanistic study indicates that ECL is mainly generated due to the high electron affinity of siloles and restriction of the intramolecular motions caused by their propeller-like noncoplanar structures, and this system realizes the sensing of organic-based ECL in the water phase by solving the crucial problems of water insolubility and aggregation-caused quenching.
Journal ArticleDOI

Recent advances in quantum dot-based electrochemiluminescence sensors

TL;DR: The performance of quantum dot-based electrochemiluminescence (ECL) sensors has attracted attention for analytical sensing with the potential to provide ultrasensitive and real-time analysis.
Journal ArticleDOI

Near Infrared Electrochemiluminescence of Rod-Shape 25-Atom AuAg Nanoclusters That Is Hundreds-Fold Stronger Than That of Ru(bpy)3 Standard.

TL;DR: The mechanistic insights provided in this fundamental study could guide the design and syntheses of other nanoclusters or materials in general to achieve improved properties and further affirm the structure-function correlations.
References
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Journal ArticleDOI

Semiconductor Nanocrystals as Fluorescent Biological Labels

TL;DR: Semiconductor nanocrystals prepared for use as fluorescent probes in biological staining and diagnostics have a narrow, tunable, symmetric emission spectrum and are photochemically stable.
Journal ArticleDOI

Quantum Dot Bioconjugates for Ultrasensitive Nonisotopic Detection

TL;DR: Highly luminescent semiconductor quantum dots (zinc sulfide-capped cadmium selenide) have been covalently coupled to biomolecules for use in ultrasensitive biological detection and these nanometer-sized conjugates are water-soluble and biocompatible.
Journal ArticleDOI

Probing the Cytotoxicity Of Semiconductor Quantum Dots.

TL;DR: This work found that CdSe-core QDs were indeed acutely toxic under certain conditions and modulated by processing parameters during synthesis, exposure to ultraviolet light, and surface coatings, and suggests that cytotoxicity correlates with the liberation of free Cd2+ ions due to deterioration of the Cd Se lattice.
Journal ArticleDOI

The Chemistry of Fluorescent Bodipy Dyes: Versatility Unsurpassed

TL;DR: The Bodipy family, first developed as luminescent tags and laser dyes, has become a cornerstone for these new applications and the near future looks extremely bright for "porphyrin's little sister".
Journal ArticleDOI

Core/Shell semiconductor nanocrystals.

TL;DR: The fundamental properties and synthesis methods of core/shell and core/multiple shell structures of II- VI, IV-VI, and III-V semiconductors are discussed.
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