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Luminescent Iridium(III) Chemosensor for Tandem Detection of F- and Al3.

ABSTRACT: A new highly sensitive luminescent iridium(III) chemosensor, 1, was designed and synthesized for tandem detection of fluoride ions (F-) and aluminum ions (Al3+). This sensor 1 exhibited obvious luminesce quenching by hydrogen bond interactions with F-. In addition, the resulting 1-F complex can be further used to detect Al3+ through a luminesce enhancement. The detection limit (0.02 ?M) of 1-F for Al3+ is far lower than the World Health Organization (7.41 ?M) limit for drinking water. Importantly, chemosensor 1-F could be used to detect and quantify F- and Al3+ reversibly. This sensor achieved rapid detection of two ions, which relies on only one probe.

SUBMITTER: Liu JB 

PROVIDER: S-EPMC6645507 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Luminescent Iridium(III) Chemosensor for Tandem Detection of F<sup>-</sup> and Al<sup>3</sup>.

Liu Jin-Biao JB   Wang Wanhe W   Li Guodong G   Wang Rui-Xiang RX   Leung Chung-Hang CH   Ma Dik-Lung DL  

ACS omega 20171221 12

A new highly sensitive luminescent iridium(III) chemosensor, <b>1</b>, was designed and synthesized for tandem detection of fluoride ions (F<sup>-</sup>) and aluminum ions (Al<sup>3+</sup>). This sensor <b>1</b> exhibited obvious luminesce quenching by hydrogen bond interactions with F<sup>-</sup>. In addition, the resulting <b>1-F</b> complex can be further used to detect Al<sup>3+</sup> through a luminesce enhancement. The detection limit (0.02 μM) of <b>1-F</b> for Al<sup>3+</sup> is far lowe  ...[more]

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