Functionalized CdSe/ZnS QDs for the detection of nitroaromatic or RDX explosives.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 23008159.
- Also identified by DOI 10.1002/adma.201202793.
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Abstract
Chemically modified CdSe/ZnS quantum dots (QDs) are used as fluorescent probes for the analysis of explosives, and specifically, the detection of trinitrotoluene (TNT) or trinitrotriazine (RDX). The QDs are functionalized with electron-donating ligands that bind nitro-containing explosives, exhibiting electron-acceptor properties, to the QD surface, via supramolecular donor-acceptor interactions leading to the quenching of the luminescence of the QDs.
Medical subject headings
- Cadmium Compounds
- Fluorescent Dyes
- Quantum Dots
- Selenium Compounds
- Sulfides
- Triazines
- Trinitrotoluene
- Zinc Compounds