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 Concept Videos

Photoluminescence: Applications01:14

Photoluminescence: Applications

1.3K
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...
1.3K
Aryldiazonium Salts to Azo Dyes: Diazo Coupling01:11

Aryldiazonium Salts to Azo Dyes: Diazo Coupling

4.2K
The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the...
4.2K
Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

3.8K
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
3.8K

You might also read

Related Articles

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

Sort by
Same author

Autonomous motivation moderates the relationship between fitness application usage and exercise behavior through flow experience: a cross-sectional study among Chinese university students.

Frontiers in sports and active living·2026
Same author

Assessing modifiable risk factors for atrial fibrillation/flutter in the young: a hybrid local-global study.

Frontiers in endocrinology·2026
Same author

MyD88 mediates allergic airway inflammation by regulating ILC2s function through inducing the formation of P38/GATA3 complex.

Respiratory research·2026
Same author

Cross-clade vaccination to overcome sarbecovirus or merbecovirus neutralization gaps.

Cell reports·2026
Same author

An intelligent delivery system for apricot preservation: pH-responsive hollow ZIF-8 loaded with lavender essential oil and its preservation efficacy.

Food chemistry: X·2026
Same author

Fructooligosaccharides alleviate early-life antibiotic-exposed food allergy via the Indole-3-propionic acid-AhR-Nrf2 Axis: A multi-omics prospective cohort study.

Food research international (Ottawa, Ont.)·2026

Related Experiment Video

Updated: Apr 20, 2026

An Aptamer-based Sensor for Unchelated GadoliniumIII
05:15

An Aptamer-based Sensor for Unchelated GadoliniumIII

Published on: January 9, 2017

7.9K

A new pyrazoline-based fluorescent sensor for Al3+ in aqueous solution.

Shengli Hu1, Jingjing Song1, Gongying Wu1

  • 1Hubei Collaborative Innovation Center for Rare Metal Chemistry, Department of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China.

Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
|December 3, 2014
PubMed
Summary

A novel pyrazoline-based fluorescent sensor selectively detects aluminum ions (Al3+) in solution. This sensor exhibits high selectivity and fluorescent quenching upon binding with Al3+.

Keywords:
Aluminum ionFluorescent sensorPyrazolineSelective

More Related Videos

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
14:11

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach

Published on: June 10, 2021

6.9K
Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores
09:46

Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores

Published on: August 19, 2013

16.1K

Related Experiment Videos

Last Updated: Apr 20, 2026

An Aptamer-based Sensor for Unchelated GadoliniumIII
05:15

An Aptamer-based Sensor for Unchelated GadoliniumIII

Published on: January 9, 2017

7.9K
Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
14:11

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach

Published on: June 10, 2021

6.9K
Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores
09:46

Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores

Published on: August 19, 2013

16.1K

Area of Science:

  • Analytical Chemistry
  • Materials Science

Background:

  • Development of selective fluorescent sensors is crucial for detecting specific metal ions.
  • Aluminum ions (Al3+) play significant roles in biological and environmental systems, necessitating accurate detection methods.

Purpose of the Study:

  • To synthesize and characterize a new pyrazoline-based fluorescent sensor.
  • To investigate the sensor's selectivity and response towards various metal cations, particularly Al3+.

Main Methods:

  • Synthesis of a pyrazoline derivative.
  • Structural confirmation using single crystal X-ray diffraction.
  • Spectroscopic analysis (fluorescence) to study cation binding.

Main Results:

  • Successful synthesis and structural elucidation of the pyrazoline-based sensor.
  • The sensor demonstrated high selectivity for Al3+ over other tested cations in aqueous methanol.
  • Fluorescent quenching was observed upon complexation with Al3+, indicating a 1:1 binding ratio.

Conclusions:

  • The developed pyrazoline sensor is a promising tool for selective Al3+ detection.
  • The sensor's fluorescence quenching mechanism provides a reliable signal for Al3+ quantification.
  • This work contributes to the advancement of fluorescent sensing technologies for environmental and biological monitoring.