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Imidacloprid (IMI), a widely used neonicotinoid insecticide, exemplifies these hazards due to its potential toxicity. This study addresses the urgent need for improved monitoring of such contaminants by introducing a novel fluorometric method for detecting IMI using nitrogen\u2010doped graphite carbon dots (N\u2010GCDs). The sensor operates by quenching fluorescence through the interaction of Cu<jats:sup>2+<\/jats:sup> ions with N\u2010GCDs. Subsequently, IMI binds to the imidazole group, chelates with Cu<jats:sup>2+<\/jats:sup>, and restores the fluorescence of N\u2010GCDs. This alternating fluorescence behavior allows for the accurate identification of both Cu<jats:sup>2+<\/jats:sup> and IMI. The sensor exhibits linear detection ranges of 20\u2013100\u2009nM for Cu<jats:sup>2+<\/jats:sup> and 10\u2013140\u2009\u03bcg\/L for IMI, with detection limits of 18\u2009nM and 1.2\u2009\u03bcg\/L, respectively. The high sensitivity of this sensor enables the detection of real\u2010world samples, which underscores its potential for practical use in environmental monitoring and agricultural safety.<\/jats:p>","DOI":"10.1002\/bio.4849","type":"journal-article","created":{"date-parts":[[2024,8,5]],"date-time":"2024-08-05T02:29:15Z","timestamp":1722824955000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Fluorometric detection of copper and imidacloprid using nitrogen\u2010doped graphitic carbon dots: A promising method for environmental monitoring"],"prefix":"10.1002","volume":"39","author":[{"given":"Kothalam","family":"Radhakrishnan","sequence":"first","affiliation":[{"name":"Department of Chemistry, Centre for Material Chemistry Karpagam Academy of Higher Education  Coimbatore 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