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Related Experiment Video

Updated: May 19, 2026

Chemiluminescence-based Assays for Detection of Nitric Oxide and its Derivatives from Autoxidation and Nitrosated Compounds

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Urushiol detection using a profluorescent nitroxide.

Rebecca Braslau¹, Frank Rivera, Erin Lilie

¹Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, USA. rbraslau@ucsc.edu

The Journal of Organic Chemistry

|August 21, 2012

Summary

This summary is machine-generated.

A new method uses a fluorescent probe to detect tiny amounts of urushiol, the irritant in poison ivy. This visual detection system can help prevent contact dermatitis and has potential for biomedical uses.

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Area of Science:

Organic Chemistry
Analytical Chemistry
Biochemistry

Background:

Urushiol is a toxic allergen found in poison ivy, oak, and sumac.
Contact dermatitis is a common reaction to urushiol exposure.
Accurate detection of urushiol is crucial for prevention and treatment.

Purpose of the Study:

To develop a visual method for detecting minute quantities of urushiol.
To create a basis for a sprayable urushiol detection tool.
To explore applications in visualizing catecholamines for biomedical purposes.

Main Methods:

Utilized the reaction between a profluorescent nitroxide and a B-n-butylcatecholboronate ester.
Formed the boronate ester in situ from urushiol and B-n-butylboronic acid.
Visualized the resulting fluorescent N-alkoxyamine under a fluorescent lamp.

Main Results:

Successfully developed a method for visually detecting urushiol.
The N-alkoxyamine product exhibited strong fluorescence.
Demonstrated the ability to visualize the location of urushiol contamination.

Conclusions:

The developed method provides a visual means to detect urushiol contamination.
This technique lays the foundation for a urushiol-detecting spray.
Potential applications exist for detecting catecholamines in biomedical research.