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Proceedings Paper

Explosives detection in the marine environment using UUV-modified immunosensor
Author(s): Paul T. Charles; André A. Adams; Jeffrey R. Deschamps; Scott P. Veitch; Alfred Hanson; Anne W. Kusterbeck
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Paper Abstract

Port and harbor security has rapidly become a point of interest and concern with the emergence of new improvised explosive devices (IEDs). The ability to provide physical surveillance and identification of IEDs and unexploded ordnances (UXO) at these entry points has led to an increased effort in the development of unmanned underwater vehicles (UUVs) equipped with sensing devices. Traditional sensors used to identify and locate potential threats are side scan sonar/acoustic methods and magnetometers. At the Naval Research Laboratory (NRL), we have developed an immunosensor capable of detecting trace levels of explosives that has been integrated into a REMUS payload for use in the marine environment. Laboratory tests using a modified PMMA microfluidic device with immobilized monoclonal antibodies specific for TNT and RDX have been conducted yielding detection levels in the low parts-per-billion (ppb) range. New designs and engineered improvements in microfluidic devices, fluorescence signal probes, and UUV internal fluidic and optical components have been investigated and integrated into the unmanned underwater prototype. Results from laboratory and recent field demonstrations using the prototype UUV immunosensor will be discussed. The immunosensor in combination with acoustic and other sensors could serve as a complementary characterization tool for the detection of IEDs, UXOs and other potential chemical or biological threats.

Paper Details

Date Published: 3 June 2011
PDF: 8 pages
Proc. SPIE 8018, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XII, 80181U (3 June 2011); doi: 10.1117/12.883243
Show Author Affiliations
Paul T. Charles, U.S. Naval Research Lab. (United States)
André A. Adams, US National Academy of Sciences - NRC (United States)
Jeffrey R. Deschamps, U.S. Naval Research Lab. (United States)
Scott P. Veitch, SubChem Systems, Inc. (United States)
Alfred Hanson, SubChem Systems, Inc. (United States)
Anne W. Kusterbeck, U.S. Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 8018:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XII
Augustus W. Fountain; Patrick J. Gardner, Editor(s)

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