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Updated: Oct 25, 2025

Fluorescence-based Monitoring of PAD4 Activity via a Pro-fluorescence Substrate Analog

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Published on: November 5, 2014

A Reduction-Sensitive Fluorous Fluorogenic Coumarin.

Margeaux A Miller¹, Rachael A Day¹, Daniel A Estabrook¹

¹Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Dr. East, Los Angeles, CA 90095, USA.

Synlett : Accounts and Rapid Communications in Synthetic Organic Chemistry

|August 5, 2021

Summary

This summary is machine-generated.

Researchers developed a new reduction-sensitive, fluorous-soluble fluorophore. This probe, encapsulated in fluorous nanomaterials, shows differential release in response to glutathione, aiding drug delivery vehicle design.

Keywords:

coumarin fluorofluorophore fluorogenic fluorous fluorous micelles glutathione responsive perfluorocarbon nanoemulsions

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Area of Science:

Chemical Biology
Materials Science
Nanotechnology

Background:

Environmentally sensitive fluorophores are valuable for chemical sensing and biological studies.
Extending responsive probes to the fluorous phase enables new applications in specialized environments.

Purpose of the Study:

To synthesize a novel reduction-sensitive, fluorous-soluble fluorogenic coumarin.
To investigate the encapsulation and release characteristics of this probe within fluorous nanomaterials.
To assess the potential of fluorous nanomaterials as protective drug delivery vehicles.

Main Methods:

Synthesis of a fluorous-soluble, reduction-sensitive fluorogenic coumarin.
Encapsulation of the fluorophore into perfluorocarbon nanoemulsions and fluorous core-shell micelles.
Evaluation of fluorophore release in response to reducing agents, particularly glutathione.

Main Results:

The synthesized coumarin demonstrated sensitivity to reducing agents, including glutathione.
Successful encapsulation of the fluorophore into both nanoemulsion and micelle systems.
Differential release kinetics observed between nanoemulsions and micelles in the presence of glutathione.

Conclusions:

The developed fluorous-soluble fluorophore effectively probes the protective capabilities of fluorous nanomaterials.
Understanding release mechanisms from different fluorous nanocarriers is crucial for optimizing drug delivery.
This work provides insights for the future design and application of fluorous nanomaterials in drug delivery systems.