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 Videos

Fluorogenic Hg2+-selective chemodosimeter derived from 8-hydroxyquinoline.

Ki Cheol Song1, Jun Soo Kim, Sang Mi Park

  • 1Department of Chemistry, Chung-Ang University, Seoul 156-756, Korea.

Organic Letters
|July 28, 2006
PubMed
Summary

Researchers developed a new thioamide derivative for detecting mercury ions (Hg2+). This compound exhibits highly selective and sensitive fluorescence enhancement upon binding with mercury, enabling precise detection.

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

Hopping dynamics of a tracer particle confined in a fluctuating lattice.

Soft matter·2026
Same author

Enhancing Li<sup>+</sup> Ion Transport via Dynamic Coupling With Borohydride Reorientation in Li<sub>6</sub>PS<sub>5</sub>X Argyrodites.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Glutathione analysis and quantification in Korean supplements: method development and validation.

Food science and biotechnology·2026
Same author

NMR study of electrolytes for Li rechargeable batteries: from liquid to solid electrolytes.

Solid state nuclear magnetic resonance·2026
Same author

Non-Targeted and Targeted Analyses Using Gas Chromatography-Mass Spectrometry for Detecting Fungal Spoilage in Red Pepper Powder.

Journal of food science·2026
Same author

Effects of digital literacy and nursing informatics competency as job resources on nurses' burnout and work engagement: a cross-sectional study.

BMC nursing·2025

Area of Science:

  • Analytical Chemistry
  • Organic Chemistry
  • Materials Science

Background:

  • 8-hydroxyquinoline-benzothiazole derivatives are known for their sensing capabilities.
  • Developing selective chemodosimeters for transition-metal ions is crucial for environmental and biological monitoring.
  • Thioamide compounds can undergo transformations that alter their fluorescent properties.

Purpose of the Study:

  • To synthesize and characterize a novel thioamide derivative of 8-hydroxyquinoline-benzothiazole.
  • To investigate the fluorogenic chemodosimetric behavior of the new derivative towards transition-metal ions.
  • To determine the selectivity and sensitivity of the compound for specific metal ions, particularly mercury.

Main Methods:

  • Synthesis of the thioamide derivative using established organic chemistry techniques.

Related Experiment Videos

  • Spectroscopic analysis (fluorescence spectroscopy) to study the interaction with various transition-metal ions.
  • Optimization of detection conditions, including solvent composition and pH.

    • Main Results:

    • The synthesized thioamide derivative exhibited a significant fluorescence enhancement (167-fold) in the presence of mercury ions (Hg2+).
    • The chemodosimeter demonstrated high selectivity for Hg2+ over other tested transition-metal ions.
    • The fluorescence enhancement mechanism was attributed to the Hg2+-induced conversion of the thioamide to a highly fluorescent amide analogue.

    Conclusions:

    • The new thioamide derivative serves as an effective and highly selective fluorogenic chemodosimeter for Hg2+ detection.
    • The observed Hg2+-selective fluorescence enhancement provides a sensitive method for quantifying mercury ions.
    • This finding contributes to the development of novel sensors for environmental and potentially biological applications.