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A selective and sensitive azido near-infrared fluorescent probe for tris(2-carboxyethyl)phosphine quantitative detection and its application for E. coli determination

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Abstract

We developed a sensitive near-infrared fluorescent probe, azido hemicyanine (HC-N3), for the detection of tris(2-carboxyethyl)phosphine (TCEP) with the lowest LOD (92 nM) so far. HC-N3 has good selectivity for TCEP among thiols and 20 kinds of natural amino acid. The quantification of E. coli (101–103 cfu mL−1) demonstrated its practicability in complicated biosystems.

Graphical abstract: A selective and sensitive azido near-infrared fluorescent probe for tris(2-carboxyethyl)phosphine quantitative detection and its application for E. coli determination

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Publication details

The article was received on 01 Oct 2018, accepted on 13 Nov 2018 and first published on 14 Nov 2018


Article type: Paper
DOI: 10.1039/C8AY02149J
Citation: Anal. Methods, 2018, Advance Article
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    A selective and sensitive azido near-infrared fluorescent probe for tris(2-carboxyethyl)phosphine quantitative detection and its application for E. coli determination

    H. Guo, W. Tang and X. Duan, Anal. Methods, 2018, Advance Article , DOI: 10.1039/C8AY02149J

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