Abstract
A bottle screening method to detect smuggling drugs was developed based on a series of rapid and automated magnetic resonance measurements. Liquid alteration is detected by evaluating chemical and physical properties of the liquid, scanning the bottle with a compact, non-contact magnetic resonance probe. Chemical and molecular diffusion changes are detected by means of the magnetic resonance relaxation time. The inspection device automatically detects the presence of concealed powders dissolved in liquids in a second timescale. The non-ionizing, non-contact method effectively screens bottles, regardless of their shape, size, and color. The proposed system configuration does not require a large magnet generating uniform magnetic fields; rather it inspects the liquid using a compact probe positioned on the wall of the bottle. For a variety of samples tested, the screening does not require detailed information on the expected content of the bottle.
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Prado, P.J., Mastikhin, I. & Karlsson, M.T. Rapid Method to Screen Unopened Bottles to Detect Concealed Drugs. Appl Magn Reson 43, 531–540 (2012). https://doi.org/10.1007/s00723-012-0325-x
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DOI: https://doi.org/10.1007/s00723-012-0325-x