Pioneered in the Swager group, the ability of conjugated polymers to self-amplify sensory signals has led to the development of detection materials that are state-of-the-art in sensitivity. Fluorescence-based detection methods employing these materials are a field and theater proven approach to trace detection of explosives in harsh, demanding environments. However, timely address of emerging threats requires rapid chemical tailoring of detection polymers for new explosives analytes.  In mitigating these threats, we have developed general approaches to developing fluorescence-based detection materials. These materials follow the general paradigm of polymer-based signal amplification coupled with molecular-level specificity to allow detection and identification of explosives. In addition, we are creating new device platforms that enable multichannel explosives detection and classification. These platforms can serve to further miniaturize and portablize this technology, providing a path toward widely distributed, microfabricated trace explosives detectors.

Conjugated polymer-based, broadband explosives trace detection

245th National Meeting (2013)

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