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Magnetic Boron Nitride Nanosheets as a Novel Magnetic Solid-phase Extraction Adsorbent for the Determination of Plant Growth Regulators in Tomatoes by Meng-Jun Li; Na Li; Guiju Xu; Ling-Xi Zhao; Xiangfeng Chen; Yanfang Zhao; Ru-Song Zhao is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Magnetic Boron Nitride Nanosheets as a Novel Magnetic Solid-phase Extraction Adsorbent for the Determination of Plant Growth Regulators in Tomatoes about?

A novel magnetic boron nitride nanosheets (FeO@BNNSs) composite-based magnetic solid-phase extraction (MSPE) method was employed to analyse six plant growth regulators (PGRs) in tomatoes combined with high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). The novel FeO@BNNSs composite was prepared via an in situ chemical coprecipitation process and characterized by scanning electron microscopy (SEM), Fourier transform infrared spectrometry (FT-IR), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and vibrating sample magnetometry (VSM). Several factors that may affect the extraction efficiencies were optimized. Under the optimal factors, low limits of detection (0.002-0.010 ng g), good linear ranges (0.05-10 ng g) and satisfactory precisions (intra-day: 1.2%-3.9%; inter-day: 2.1%-6.9%) were achieved. The established approach was successfully employed to extract and determine PGRs in tomatoes, and the spiked recoveries were between 85.2 and 109.0%.

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Author

Meng-Jun Li; Na Li; Guiju Xu; Ling-Xi Zhao; Xiangfeng Chen; Yanfang Zhao; Ru-Song Zhao

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)