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In this work, an effective \u201cturn\u2010on\u201d fluorescence method for MnO<jats:sub>4<\/jats:sub><jats:sup>\u2212<\/jats:sup> detection in aqueous media was proposed via yellow fluorescence carbon dots (Y\u2010CDs) with the maximum emission peak of 553\u2009nm. Upon the introduction of MnO<jats:sub>4<\/jats:sub><jats:sup>\u2212<\/jats:sup>, the fluorescence of Y\u2010CDs increased significantly due to the enhanced surface passivation degree and intramolecular charge transfer. In the range of 0.1\u201310\u2009\u03bcM, the fluorescence ratio (F\/F<jats:sub>0<\/jats:sub>) is proportional to the MnO<jats:sub>4<\/jats:sub><jats:sup>\u2212<\/jats:sup> ions concentration, realizing the \u201cturn\u2010on\u201d fluorescence sensing of MnO<jats:sub>4<\/jats:sub><jats:sup>\u2212<\/jats:sup>. On the other hand, utilizing the significant color change of Y\u2010CDs by MnO<jats:sub>4<\/jats:sub><jats:sup>\u2212<\/jats:sup> ions, the colorimetric analysis can also be established for MnO<jats:sub>4<\/jats:sub><jats:sup>\u2212<\/jats:sup> assay. Compared with other probes, the analysis results obtained by bimodal sensing tactics of fluorescent and colorimetric can be mutually verified to improve the reliability and meet the sensing needs of targets in complex environments.<\/jats:p>","DOI":"10.1002\/bio.70011","type":"journal-article","created":{"date-parts":[[2024,11,7]],"date-time":"2024-11-07T05:05:30Z","timestamp":1730955930000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Dual \u201cTurn\u2010On\u201d Fluorescent and Colorimetric Sensing of Permanganate Based on Yellow Carbon Dots"],"prefix":"10.1002","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7945-6988","authenticated-orcid":false,"given":"Hui\u2010Hui","family":"Zeng","sequence":"first","affiliation":[{"name":"College of Materials and Chemical Engineering Pingxiang University  Pingxiang 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