A new multifunctional Schiff base as a fluorescence sensor for Al3+ and a colorimetric sensor for CN− in aqueous media: An application to bioimaging

Seul Ah Lee; Ga Rim You; Ye Won Choi; Hyun Yong Jo; Ah Ram Kim; Insup Noh; Sung Jin Kim; Youngmee Kim; Cheal Kim

doi:10.1039/c4dt00361f

A new multifunctional Schiff base as a fluorescence sensor for Al³⁺ and a colorimetric sensor for CN⁻ in aqueous media: An application to bioimaging

Seul Ah Lee, Ga Rim You, Ye Won Choi, Hyun Yong Jo, Ah Ram Kim, Insup Noh, Sung Jin Kim, Youngmee Kim, Cheal Kim

Department of Chemistry & Nanoscience

Research output: Contribution to journal › Article › peer-review

192 Scopus citations

Abstract

A multifunctional fluorescent and colorimetric receptor 1 ((E)-N′-((8-hydroxy-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinolin-9-yl)methylene)benzohydrazide) for the detection of both Al³⁺ and CN⁻ in aqueous solution has been developed. Receptor 1 exhibited an excellent selective fluorescence response toward Al³⁺. The sensitivity of the fluorescent based assay (0.193 μM) for Al³⁺ is far below the limit in the World Health Organization (WHO) guidelines for drinking water (7.41 μM). In addition, receptor 1 showed an excellent detection ability in a wide pH range of 4–10 and also in living cells. Moreover, receptor 1 showed a highly selective colorimetric response to CN⁻ by changing its color from colorless to yellow immediately without any interference from other anions.

Original language	English
Pages (from-to)	6650-6659
Number of pages	10
Journal	Dalton Transactions
Volume	43
Issue number	18
DOIs	https://doi.org/10.1039/c4dt00361f
State	Published - 8 Apr 2014

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@article{1aeaf6a66a4d47b48cbed82a3e26c399,

title = "A new multifunctional Schiff base as a fluorescence sensor for Al3+ and a colorimetric sensor for CN− in aqueous media: An application to bioimaging",

abstract = "A multifunctional fluorescent and colorimetric receptor 1 ((E)-N′-((8-hydroxy-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinolin-9-yl)methylene)benzohydrazide) for the detection of both Al3+ and CN− in aqueous solution has been developed. Receptor 1 exhibited an excellent selective fluorescence response toward Al3+. The sensitivity of the fluorescent based assay (0.193 μM) for Al3+ is far below the limit in the World Health Organization (WHO) guidelines for drinking water (7.41 μM). In addition, receptor 1 showed an excellent detection ability in a wide pH range of 4–10 and also in living cells. Moreover, receptor 1 showed a highly selective colorimetric response to CN− by changing its color from colorless to yellow immediately without any interference from other anions.",

author = "Lee, {Seul Ah} and You, {Ga Rim} and Choi, {Ye Won} and Jo, {Hyun Yong} and Kim, {Ah Ram} and Insup Noh and Kim, {Sung Jin} and Youngmee Kim and Cheal Kim",

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AU - Lee, Seul Ah

AU - You, Ga Rim

AU - Choi, Ye Won

AU - Jo, Hyun Yong

AU - Kim, Ah Ram

AU - Noh, Insup

AU - Kim, Sung Jin

AU - Kim, Youngmee

AU - Kim, Cheal

PY - 2014/4/8

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A new multifunctional Schiff base as a fluorescence sensor for Al3+ and a colorimetric sensor for CN− in aqueous media: An application to bioimaging

Abstract

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A new multifunctional Schiff base as a fluorescence sensor for Al³⁺ and a colorimetric sensor for CN⁻ in aqueous media: An application to bioimaging