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Title: Reversible rhodamine-alkyne Au<sup>3+</sup>-selective chemosensor and its bioimaging application
Authors: Pailin Srisuratsiri
Phongthon Kanjanasirirat
Arthid Chairongdua
Palangpon Kongsaeree
Mahidol University
Kasetsart University Sriracha Campus
Keywords: Biochemistry, Genetics and Molecular Biology;Chemistry
Issue Date: 1-Jan-2017
Citation: Tetrahedron Letters. Vol.58, No.32 (2017), 3194-3199
Abstract: © 2017 Elsevier Ltd A rhodamine-alkyne conjugate has been developed for selective detection of Au3+in a reversible manner. Rhodamine was coupled with o-phenylenediamine bearing a propargyl moiety. The probe displayed high selectivity and sensitivity toward Au3+with a 148-fold “turn-on” fluorescence response in EtOH-H2O (1:1 v/v). The stoichiometry of the chemosensor and Au3+was 1:1 based on the Job plot analysis with the detection limit of 10.5 nM. The chemosensor is membrane permeable and capable of monitoring Au3+in cultured HeLa cells.
ISSN: 18733581
Appears in Collections:Scopus 2016-2017

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