A highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples

Abstract The development of detecting residual level of abamectin B1 in apples is of great importance to public health. Herein, we synthesized a octopus-like azobenzene fluorescent probe 1,3,5-tris (5′-[(E)-(p-phenoxyazo) diazenyl)] benzene-1,3-dicarboxylic acid) benzene (TPB) for preliminary detect...

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Autores principales:	Zhenlong Guo, YiFei Su, Kexin Li, MengYi Tang, Qiang Li, Shandong Xu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fedfe0169016482bbba64643ff0f2229
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spelling	oai:doaj.org-article:fedfe0169016482bbba64643ff0f22292021-12-02T13:35:03ZA highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples10.1038/s41598-021-84221-w2045-2322https://doaj.org/article/fedfe0169016482bbba64643ff0f22292021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84221-whttps://doaj.org/toc/2045-2322Abstract The development of detecting residual level of abamectin B1 in apples is of great importance to public health. Herein, we synthesized a octopus-like azobenzene fluorescent probe 1,3,5-tris (5′-[(E)-(p-phenoxyazo) diazenyl)] benzene-1,3-dicarboxylic acid) benzene (TPB) for preliminary detection of abamectin B1 in apples. The TPB molecule has been characterized by ultraviolet–visible absorption spectrometry, 1H-nuclear magnetic resonance, fourier-transform infrared (FT-IR), electrospray ionization mass spectroscopy (ESI-MS) and fluorescent spectra. A proper determination condition was optimized, with limit of detection and limit of quantification of 1.3 µg L−1 and 4.4 μg L−1, respectively. The mechanism of this probe to identify abamectin B1 was illustrated in terms of undergoing aromatic nucleophilic substitution, by comparing fluorescence changes, FT-IR and ESI-MS. Furthermore, a facile quantitative detection of the residual abamectin B1 in apples was achieved. Good reproducibility was present based on relative standard deviation of 2.2%. Six carboxyl recognition sites, three azo groups and unique fluorescence signal towards abamectin B1 of this fluorescent probe demonstrated reasonable sensitivity, specificity and selectivity. The results indicate that the octopus-like azobenzene fluorescent probe can be expected to be reliable for evaluating abamectin B1 in agricultural foods.Zhenlong GuoYiFei SuKexin LiMengYi TangQiang LiShandong XuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zhenlong Guo YiFei Su Kexin Li MengYi Tang Qiang Li Shandong Xu A highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples
description	Abstract The development of detecting residual level of abamectin B1 in apples is of great importance to public health. Herein, we synthesized a octopus-like azobenzene fluorescent probe 1,3,5-tris (5′-[(E)-(p-phenoxyazo) diazenyl)] benzene-1,3-dicarboxylic acid) benzene (TPB) for preliminary detection of abamectin B1 in apples. The TPB molecule has been characterized by ultraviolet–visible absorption spectrometry, 1H-nuclear magnetic resonance, fourier-transform infrared (FT-IR), electrospray ionization mass spectroscopy (ESI-MS) and fluorescent spectra. A proper determination condition was optimized, with limit of detection and limit of quantification of 1.3 µg L−1 and 4.4 μg L−1, respectively. The mechanism of this probe to identify abamectin B1 was illustrated in terms of undergoing aromatic nucleophilic substitution, by comparing fluorescence changes, FT-IR and ESI-MS. Furthermore, a facile quantitative detection of the residual abamectin B1 in apples was achieved. Good reproducibility was present based on relative standard deviation of 2.2%. Six carboxyl recognition sites, three azo groups and unique fluorescence signal towards abamectin B1 of this fluorescent probe demonstrated reasonable sensitivity, specificity and selectivity. The results indicate that the octopus-like azobenzene fluorescent probe can be expected to be reliable for evaluating abamectin B1 in agricultural foods.
format	article
author	Zhenlong Guo YiFei Su Kexin Li MengYi Tang Qiang Li Shandong Xu
author_facet	Zhenlong Guo YiFei Su Kexin Li MengYi Tang Qiang Li Shandong Xu
author_sort	Zhenlong Guo
title	A highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples
title_short	A highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples
title_full	A highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples
title_fullStr	A highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples
title_full_unstemmed	A highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples
title_sort	highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin b1 in apples
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/fedfe0169016482bbba64643ff0f2229
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A highly sensitive octopus-like azobenzene fluorescent probe for determination of abamectin B1 in apples

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