Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: May 11, 2026

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer
08:27

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer

Published on: October 1, 2016

A highly selective ratiometric fluorescent chemosensor for Cd2+ ions.

Li-Kun Zhang1, Qing-Xiao Tong, Long-Ji Shi

  • 1Department of Chemistry, Shantou University, Guangdong, 515063, P. R. China.

Dalton Transactions (Cambridge, England : 2003)
|May 17, 2013
PubMed
Summary

A novel phenanthroxazole-based fluorescent sensor specifically detects cadmium ions (Cd2+). This sensor shows ratiometric responses and color changes on test paper, enabling sensitive Cd2+ detection without interference from other metal ions like zinc (Zn2+).

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Dipole-Manipulated Built-In Electric Field Enables Ultrafast Charge Separation in Perylene Diimide Polymers for Photoelectrochemical Water Splitting.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Engineering surface oxygen vacancies to steer electron flow for perfluorooctane sulfonate mineralization by visible light.

Journal of colloid and interface science·2026
Same author

Pore-Space Design of Cobalt-Porphyrin Covalent Organic Frameworks Suppresses Inactive Bridged-CO Intermediates for Selective CO<sub>2</sub> Electroreduction.

Journal of the American Chemical Society·2026
Same author

Defluorinative Alkene-Carbonyl Coupling Enabled by Photoredox Catalysis: An Access to Allylic Alcohols.

Organic letters·2025
Same author

A Glutamate-Enabled Proton Relay in a Bioinspired Cu<sub>4</sub>O<sub>4</sub> Cubane Boosts Neutral Water Oxidation via Proton-Coupled Electron Transfer.

Inorganic chemistry·2025
Same author

Tailoring the Cu<sup>2+</sup> Coordination Microenvironment in Porous Organic Frameworks for Switchable CO<sub>2</sub> Photoreduction to CO or CH<sub>4</sub>.

Small (Weinheim an der Bergstrasse, Germany)·2025

Area of Science:

  • Chemical Sensing
  • Fluorescent Probes
  • Analytical Chemistry

Background:

  • Cadmium (Cd2+) is a toxic heavy metal with significant environmental and health implications.
  • Developing selective and sensitive detection methods for Cd2+ is crucial for monitoring and safety.
  • Existing methods for heavy metal detection can suffer from interference or lack sensitivity.

Purpose of the Study:

  • To develop a novel phenanthroxazole-based fluorescent sensor for the selective detection of cadmium ions (Cd2+).
  • To investigate the sensor's ratiometric response and its specificity in the presence of other biologically relevant metal ions.
  • To create a practical detection platform using test paper for easy Cd2+ sensing.

Main Methods:

  • Synthesis of a phenanthroxazole derivative as the core fluorescent probe.

More Related Videos

Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor
08:21

Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor

Published on: August 15, 2017

Related Experiment Videos

Last Updated: May 11, 2026

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer
08:27

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer

Published on: October 1, 2016

Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor
08:21

Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor

Published on: August 15, 2017

  • Spectroscopic analysis (absorption and fluorescence) to characterize the sensor's response.
  • Testing the sensor's selectivity and sensitivity towards Cd2+ in aqueous solutions, including interference studies with other metal ions like Zn2+.
  • Immobilization of the sensor onto test paper for visual detection.

    • Main Results:

    • The developed phenanthroxazole-based sensor exhibited a specific ratiometric fluorescent response to Cd2+.
    • The sensor demonstrated high selectivity for Cd2+, showing no significant interference from other common metal ions such as Zn2+.
    • The test paper integrated with the sensor displayed distinct absorption and fluorescence color changes upon exposure to Cd2+ aqueous solutions, indicating successful visual detection.

    Conclusions:

    • A highly selective and sensitive fluorescent sensor for Cd2+ detection based on phenanthroxazole has been successfully developed.
    • The sensor's ratiometric and visual detection capabilities, particularly on test paper, offer a promising tool for practical Cd2+ monitoring.
    • This sensor provides a reliable method for detecting Cd2+ without interference, addressing a critical need in environmental and biological analysis.