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F Patolsky, R Shacham, A Lichtenstein



A method and a system for identifying an explosive in a sample are disclosed. The method comprises receiving an explosive fingerprint defined by a set of kinetic parameters, describing a plurality of interactions between the explosive and each of a respective plurality of functional moieties. The method further comprises using a data processor for accessing a database of explosive fingerprints, and searching the database for a database fingerprint matching the received fingerprint. The system comprises a plurality of sensing devices, each comprising semiconductor nanostructures (e.g. Si nanowires) having attached thereto a functional moiety selected to interact with a nitro-containing and/or peroxide-containing explosive sample.

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