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In this paper, a novel chiral fluorescence polymer sensor incorporating (<jats:italic>S<\/jats:italic>)\u2010BINOL and oligomeric aniline via a nucleophilic addition\u2013elimination reaction is designed and synthesized. Polymer sensor exhibits \u201cturn\u2010off\u201d fluorescence quenching response upon the addition of Hg<jats:sup>2+<\/jats:sup>, and \u201cturn\u2010on\u201d moderate fluorescence enhancement behavior towards phenylalaninol enantiomers. Meanwhile, this kind of (<jats:italic>S<\/jats:italic>)\u2010BINOL\u2010based polymer sensor can exhibit highly selective enantioselective recognition response towards (<jats:italic>L<\/jats:italic>)\u2010phenylalaninol upon the addition of Hg<jats:sup>2+<\/jats:sup> and the value of <jats:italic>ef<\/jats:italic> can reach as high as 5.4, which can be attributed to the formation of in situ generated radical cation arisen from oligomeric aniline moiety by Hg<jats:sup>2+<\/jats:sup> induction.\n<jats:boxed-text content-type=\"graphic\" position=\"anchor\"><jats:graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" mimetype=\"image\/jpg\" position=\"anchor\" specific-use=\"enlarged-web-image\" xlink:href=\"graphic\/marc201400248-abs-0001-m.jpg\"><jats:alt-text>image<\/jats:alt-text><\/jats:graphic><\/jats:boxed-text><\/jats:p>","DOI":"10.1002\/marc.201400248","type":"journal-article","created":{"date-parts":[[2014,7,22]],"date-time":"2014-07-22T09:23:41Z","timestamp":1406021021000},"page":"1443-1449","source":"Crossref","is-referenced-by-count":7,"title":["Hg<sup>2+<\/sup>\u2010Induced In Situ Generated Radical Cation of (<i>S<\/i>)\u2010BINOL\u2010Based Polymer for Highly Enantioselective Recognition of Phenylalaninol"],"prefix":"10.1002","volume":"35","author":[{"given":"Jiemin","family":"Jiao","sequence":"first","affiliation":[{"name":"Key Laboratory of Mesoscropic Chemistry of MOE School of Chemistry and Chemical Engineering Nanjing University  No. 22, Hankou Road Nanjing 210093 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fei","family":"Li","sequence":"additional","affiliation":[{"name":"Key Laboratory of Mesoscropic Chemistry of MOE School of 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