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Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector

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Detecting a peroxide-based explosive via molecular gelation.

Jing Chen¹, Weiwei Wu, Anne J McNeil

¹Department of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, USA.

Chemical Communications (Cambridge, England)

|June 20, 2012

Summary

This summary is machine-generated.

A new portable sensor visually detects triacetone triperoxide (TATP) explosives. This innovation uses a thiol-to-disulfide oxidation for a solution-to-gel transition, enabling detection without instruments.

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Research and Development of High-performance Explosives

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Published on: February 20, 2016

Area of Science:

Chemical Sensing
Materials Science
Explosives Detection

Background:

Triacetone triperoxide (TATP) is a sensitive explosive.
Current TATP detection methods often require complex instrumentation.
There is a need for portable and convenient TATP detection solutions.

Purpose of the Study:

To develop a convenient and portable sensor for triacetone triperoxide (TATP).
To enable visual detection of TATP without the need for instrumentation.

Main Methods:

Development of a sensor based on thiol-to-disulfide oxidation.
Utilizing a solution-to-gel phase transition triggered by TATP presence.
Visual readout of the detection event.

Main Results:

A portable sensor for TATP detection was successfully developed.
The sensor relies on a visually observable solution-to-gel phase transition.
The method allows for instrumentation-free detection of TATP.

Conclusions:

The developed sensor offers a convenient and portable method for TATP detection.
The visual, instrumentation-free approach simplifies TATP identification.
This technology has potential applications in security and safety.