Validation of data from an artificial sniffer dog by common analytical techniques

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dc.contributor.authorHardy, Iona
dc.contributor.authorJakobsen, Mogens Havsteen
dc.contributor.authorTreiberg, Tuule
dc.contributor.authorGotfredsen, Charlotte Held
dc.contributor.authorDossi, Eleftheria
dc.date.accessioned2022-10-11T14:20:59Z
dc.date.available2022-10-11T14:20:59Z
dc.date.issued2021-10-22
dc.description.abstractCRIM-TRACK, an artificial sniffer dog, employs a colourimetric sensor system to monitor the colour change of chromic dyes when in contact with the vapours of illicit molecules (analytes) for detection and identification of substances. Within, the interaction of illicit chemicals and chromic dyes have been studied in solution using Proton Nuclear Magnetic Resonance ( 1 H NMR) spectroscopy and Ultraviolet-Visible (UV-Vis) spectrophotometry, to validate data generated from detection experiments using CRIM-TRACK sniffer. 1 H-NMR revealed the colour change mechanism induced by benzyl methyl ketone (BMK), a precursor chemical of methamphetamines, was hydrogen bonding between the BMK and specific dye molecules. It also revealed that hexamine (HEX), an explosives precursor, induced a colour change by formation of ion pairs with the specific dye molecules. The colour changes detected by CRIM-TRACK were confirmed by UV-Vis where a shift in absorption wavelength and/or a change in absorbance occurred.en_UK
dc.identifier.citationHardy I, Jakobsen MH, Treiberg T, et al., (2021) Validation of data from an artificial sniffer dog by common analytical techniques. In: Proceedings of SMS/EGF/NanoMed Sensors 2021, Joint International Conference, 20-22 October 2021, Virtual Eventen_UK
dc.identifier.urihttps://www.setcor.org/files/papers/1664925221_Proceedings-of-SMS-EGF-NanoMed-Sensors-2021-Joint-Intl-Conference.pdf
dc.identifier.urihttps://doi.org/10.26799/cp-sms-egf-nanomed-sensors2021
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18541
dc.language.isoenen_UK
dc.publisherSETCORen_UK
dc.subjectchemical precursorsen_UK
dc.subjectdetectionen_UK
dc.subjectcolourimetric sensoren_UK
dc.subjectCRIM-TRACK sniffer systemen_UK
dc.subjectNMRen_UK
dc.subjectUV-Visen_UK
dc.titleValidation of data from an artificial sniffer dog by common analytical techniquesen_UK
dc.typeConference paperen_UK

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