Recyclable europium functionalized metal-organic fluorescent probe for detection of tryptophan in biological fluids and food products

Recyclable europium functionalized metal-organic fluorescent probe for detection of tryptophan in biological fluids and food products

An europium functionalized metal-organic fluorescent probe, Eu3+@UiO-66-FDC was constructed by post-synthetic modification through coordination interactions. Eu3+@UiO-66-FDC displayed high selectivity and sensitivity toward Tryptophan (Trp) among all the 20 natural amino acids and other general comp...

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Veröffentlicht in:Analytica chimica acta 2021-10, Vol.1180, p.338897-338897, Article 338897
Hauptverfasser: Zhong, Yu-Fei, Bao, Guang-Ming, Xia, Yi-Fan, Peng, Xiong-Xin, Peng, Jin-Feng, He, Jia-Xin, Lin, Shuai, Zeng, Lintao, Fan, Qing, Xiao, Wei, Yuan, Hou-Qun
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Eu3+-functionalized
Metal-organic framework
Recyclable fluorescent probe
Tryptophan
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container_title Analytica chimica acta
container_volume 1180
creator Zhong, Yu-Fei
Bao, Guang-Ming
Xia, Yi-Fan
Peng, Xiong-Xin
Peng, Jin-Feng
He, Jia-Xin
Lin, Shuai
Zeng, Lintao
Fan, Qing
Xiao, Wei
Yuan, Hou-Qun
description An europium functionalized metal-organic fluorescent probe, Eu3+@UiO-66-FDC was constructed by post-synthetic modification through coordination interactions. Eu3+@UiO-66-FDC displayed high selectivity and sensitivity toward Tryptophan (Trp) among all the 20 natural amino acids and other general compounds in food and biological samples, with a wide linear concentration range (0–1000 μM), low detection limit (0.29 μM), and a rapid response (
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Eu3+@UiO-66-FDC displayed high selectivity and sensitivity toward Tryptophan (Trp) among all the 20 natural amino acids and other general compounds in food and biological samples, with a wide linear concentration range (0–1000 μM), low detection limit (0.29 μM), and a rapid response (&lt;1 min). Besides, this probe was utilized to detect Trp in rabbit blood serum and milk samples with good recoveries, which were verified by high-performance liquid chromatography (HPLC). Notably, this fluorescent probe proved to be a recyclable material. Hence, this work provides a reliable and recyclable fluorescent probe applicable toward the detection of Trp in biological fluids and/or food products. [Display omitted] •An Eu3+-functionalized probe has been explored for specific recognizing tryptophan.•The probe exhibits low detection limit (0.29 μM) and fast response (&lt;1 min).•The probe can be recycled and reused to monitor tryptophan.•The probe could be applied in biological fluids and food production.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.aca.2021.338897</doi><tpages>1</tpages></addata></record>
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subjects Eu3+-functionalized
Metal-organic framework
Recyclable fluorescent probe
Tryptophan
title Recyclable europium functionalized metal-organic fluorescent probe for detection of tryptophan in biological fluids and food products
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