Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

Atomic Fluorescence Spectroscopy

Atomic Fluorescence Spectroscopy

Atomic fluorescence spectroscopy (AFS) is an analytical technique that involves the electronic transitions of atoms in a flame, furnace, or plasma being excited by electromagnetic (EM) radiation. When these atoms absorb energy, they become excited and subsequently release energy as they return to their original state. This emitted light, or "fluorescence," is observed at a right angle to the incident beam. Both absorption and emission processes transpire at distinct wavelengths, which are...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Postprocedural Anticoagulation After Primary Percutaneous Coronary Intervention: 1-Year Results From the RIGHT Trial and Meta-analyses.

JACC. Asia·2026

Same author

Synergistic Coupling Effects of Co and MoC in Co-MoC Heterostructures for Efficient Electrocatalytic Nitrate Reduction to Ammonia.

Small (Weinheim an der Bergstrasse, Germany)·2026

Same author

Efficacy of hyperbaric oxygen therapy in postoperative patients with cerebral aneurysms: a systematic review and meta-analysis.

Frontiers in neurology·2025

Same author

In-Situ Electrochemical Reconstruction of Copper Single-Sites to Dual-Sites for Ambient Urea Synthesis.

Angewandte Chemie (International ed. in English)·2025

Same author

[Multi-segment inverted Y-shaped vein transplantation using anterior lateral malleolar venous network for repair of amputated palm injury distal to superficial palmar arch].

Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery·2025

Same author

[Clinical observation of free palmaris longus tendon graft reconstruction in treatment of gouty tophus erosion lesions in flexor tendon of wrist and hand].

Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery·2025

Search research articles

Related Experiment Video

Updated: May 23, 2026

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay

Published on: February 1, 2019

Au25(SG)18 as a fluorescent iodide sensor.

Man Wang¹, Zhikun Wu, Jiao Yang

¹Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanostructures, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, China.

|April 24, 2012

Summary

Gold nanoclusters (GNC) show promise as fluorescent sensors for detecting iodide ions. This study highlights their potential for sensitive and selective anion detection using a novel mechanism.

More Related Videos

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer

Published on: October 1, 2016

Related Experiment Videos

Last Updated: May 23, 2026

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay

Published on: February 1, 2019

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer

Published on: October 1, 2016

Area of Science:

Nanotechnology
Analytical Chemistry
Materials Science

Background:

Gold nanoclusters (GNC) are emerging nanomaterials with significant potential in basic science and applications.
Surface-induced fluorescence properties of GNCs are key to their sensing capabilities.

Purpose of the Study:

To investigate the use of Au(25)(SG)(18) (glutathione-stabilized gold nanoclusters) as a fluorescent sensor for iodide ions.
To explore the sensing mechanism and selectivity of Au(25)(SG)(18) for various anions.

Main Methods:

Utilized the surface-induced fluorescence of Au(25)(SG)(18) for sensing applications.
Tested the sensor's response to 12 different anions to determine selectivity.
Characterized the sensing mechanism, termed affinity-induced ratiometric and enhanced fluorescence (AIREF).

Main Results:

Au(25)(SG)(18) demonstrated good selectivity for iodide ions among 12 tested anions.
A detection limit of 400 nM for iodide was achieved, with potential for enhancement.
The novel AIREF sensing mechanism was identified and characterized.

Conclusions:

Au(25)(SG)(18) is a promising candidate for sensitive and selective fluorescent iodide sensing.
The AIREF mechanism offers a new strategy for developing nanoparticle-based sensors.
Further optimization could improve the detection limit for iodide sensing.