Nerve agent simulant diethyl chlorophosphate detection using a cyclization reaction approach with high stokes shift system

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dc.contributor.authorJang, Yoon Jeongko
dc.contributor.authorMulay, Sandip V.ko
dc.contributor.authorKim, Youngsamko
dc.contributor.authorJorayev, Permanko
dc.contributor.authorChurchill, David G.ko
dc.date.accessioned2017-03-31T05:41:36Z-
dc.date.available2017-03-31T05:41:36Z-
dc.date.created2017-03-29-
dc.date.created2017-03-29-
dc.date.issued2017-
dc.identifier.citationNEW JOURNAL OF CHEMISTRY, v.41, no.4, pp.1653 - 1658-
dc.identifier.issn1144-0546-
dc.identifier.urihttp://hdl.handle.net/10203/222790-
dc.description.abstractA reaction-based fluorescent probe (CoumNMe(2)) containing a coumarin-4-dimethyaminoaryl scaffold for the detection of nerve agent simulants was developed. The probe showed fluorescence enhancement selectively with diethyl chlorophosphate (DCP) over close competitors diethyl cyanophosphonate (DECP), and diethyl methylphosphonate (DEMP) with very little interference from metal ions. O-P bond formation by reaction of the benzyl alcohol motif on the probe with DCP, favours intramolecular cyclization that leads to the ammonium salt. The cyclization strongly inhibits the photo-induced electron transfer (PET) process, which leads to the enhancement of fluorescence intensity (similar to 10 fold). Also, DFT/TDDFT calculations were exploited to explain the nature of the fluorescence '' turn-on'' process. Herein, we report a new fluorescent probe (CoumNMe2) based on the intramolecular cyclization reaction for the detection of nerve agent simulant and has potential for real applications.-
dc.languageEnglish-
dc.publisherROYAL SOC CHEMISTRY-
dc.subjectCHEMICAL WARFARE AGENTS-
dc.subjectVAPOR-PHASE DETECTION-
dc.subjectDEGRADATION-PRODUCTS-
dc.subjectVISUAL DETECTION-
dc.subjectMIMICS-
dc.subjectDISCRIMINATION-
dc.subjectTABUN-
dc.subjectDCP-
dc.subjectLIQUID-
dc.subjectSARIN-
dc.titleNerve agent simulant diethyl chlorophosphate detection using a cyclization reaction approach with high stokes shift system-
dc.typeArticle-
dc.identifier.wosid000395092600030-
dc.identifier.scopusid2-s2.0-85012913028-
dc.type.rimsART-
dc.citation.volume41-
dc.citation.issue4-
dc.citation.beginningpage1653-
dc.citation.endingpage1658-
dc.citation.publicationnameNEW JOURNAL OF CHEMISTRY-
dc.identifier.doi10.1039/c6nj03712g-
dc.contributor.localauthorChurchill, David G.-
dc.contributor.nonIdAuthorMulay, Sandip V.-
dc.contributor.nonIdAuthorJorayev, Perman-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusCHEMICAL WARFARE AGENTS-
dc.subject.keywordPlusVAPOR-PHASE DETECTION-
dc.subject.keywordPlusDEGRADATION-PRODUCTS-
dc.subject.keywordPlusVISUAL DETECTION-
dc.subject.keywordPlusMIMICS-
dc.subject.keywordPlusDISCRIMINATION-
dc.subject.keywordPlusTABUN-
dc.subject.keywordPlusDCP-
dc.subject.keywordPlusLIQUID-
dc.subject.keywordPlusSARIN-
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