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Supramolecular Solvents Combined With Layered Double Hydroxide-Coated Magnetic Nanoparticles for Extraction of Bisphenols and 4-tert-octylphenol From Fruit Juices

Supramolecular Solvents Combined With Layered Double Hydroxide-Coated Magnetic Nanoparticles for Extraction of Bisphenols and 4-tert-octylphenol From Fruit Juices

Dezhi Yang, Xiaolan Li, Dongling Meng, Meng Wang, Yaling Yang

Food Chem. 2017 Dec 15;237:870-876.

PMID: 28764080

Abstract:

A magnesium-aluminum layered double hydroxides coated on magnetic nanoparticles (Fe3O4@MgAl-LDHs NPs) combined with the supramolecular solvents (SUPRASs) as the magnetic supramolecular fluids were successfully applied to the extraction and determination of four phenolic compounds (Bisphenol-A (BPA), bisphenol-AF (BPAF), tetrabromobisphenol-A (TBBPA) and 4-tert-octylphenol (4-TOP)). Magnetic supramolecular fluids (ferrofluids) composites were prepared through adding the mixture of n-octanol and tetrahydrofuran in distilled water as the supramolecular solvents into the solution containing magnetic Fe3O4@MgAl-LDHs NPs. Under the optimized conditions, the calibration curve was obtained in range of 5-1000μgL-1. The limits of detection (S/N=3) for BPA, BPAF, TBBPA and 4-TOP, were obtained for 0.54, 0.48, 0.37 and 0.63μgL-1, respectively. The intra-day and inter-day precision (RSDs %) for bisphenols (BPs) and 4-TOP at 100 and 300μgL-1 were in the range of 4.0-7.8. The enrichment factors were between 16 and 24.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP140669-A	4-tert-Octylphenol solution		140-66-9	Price

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