{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T09:28:51Z","timestamp":1767000531078,"version":"3.48.0"},"reference-count":28,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,12,23]],"date-time":"2025-12-23T00:00:00Z","timestamp":1766448000000},"content-version":"vor","delay-in-days":22,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Luminescence"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    A facile\n                    <jats:italic>\u201cturn\u2010off\u201d<\/jats:italic>\n                    fluorescence sensing approach based on nitrogen and sulfur codoped carbon dots intercalated into graphitic carbon nitride (N, S\u2010CDs@gC\n                    <jats:sub>3<\/jats:sub>\n                    N\n                    <jats:sub>4<\/jats:sub>\n                    ) has been developed for the selective and sensitive detection of mercury ions (Hg\n                    <jats:sup>2+<\/jats:sup>\n                    ). The sensor offers the synergistic interaction between N, S\u2010CDs and gC\n                    <jats:sub>3<\/jats:sub>\n                    N\n                    <jats:sub>4<\/jats:sub>\n                    , where nitrogen and sulfur doping not only enhances fluorescence properties but also promotes strong Hg\u2010S and Hg\u2010N binding affinity. Upon interaction with Hg\n                    <jats:sup>2+<\/jats:sup>\n                    the fluorescence of the N, S\u2010CDs@gC\n                    <jats:sub>3<\/jats:sub>\n                    N\n                    <jats:sub>4<\/jats:sub>\n                    composite is significantly quenched via static quenching mechanism (excitation\/emission at 370\/425\u2009nm). The sensor shows a linear response to Hg\n                    <jats:sup>2+<\/jats:sup>\n                    in the range of 1.0\u20137.2\u2009\u03bcM (\n                    <jats:italic>R<\/jats:italic>\n                    <jats:sup>2<\/jats:sup>\n                    \u2009=\u20090.99) with a limit of detection of 0.421\u2009\u03bcM. The method was successfully applied to detect Hg\n                    <jats:sup>2+<\/jats:sup>\n                    in spiked tap and canal water samples at concentrations of 1.01, 2.84, and 4.47 \u00b5M, yielding recoveries of 98.89%\u201399.21% (RSD: 0.74%\u20132.26%) for tap water and 96.76%\u201398.03% (RSD: 0.61%\u20131.59%) for canal water. These results demonstrate the potential of N, S\u2010CDs@gC\n                    <jats:sub>3<\/jats:sub>\n                    N\n                    <jats:sub>4<\/jats:sub>\n                    for real\u2010time application of Hg\n                    <jats:sup>2+<\/jats:sup>\n                    .\n                  <\/jats:p>","DOI":"10.1002\/bio.70398","type":"journal-article","created":{"date-parts":[[2025,12,23]],"date-time":"2025-12-23T15:38:07Z","timestamp":1766504287000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Nitrogen and Sulfur Codoped Carbon Dots Graphitic Carbon Nitride Composites for Fluorescence Sensing of Mercury Ions"],"prefix":"10.1002","volume":"40","author":[{"family":"Rajesh","sequence":"first","affiliation":[{"name":"Department of Chemistry, University Institute of Sciences Chandigarh University  Mohali Punjab 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