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Reference type: Journal
Authors: Hassanzadeh M, Ghaemy M
Article Title: Preparation of bio-based keratin-derived magnetic molecularly imprinted polymer nanoparticles for the facile and selective separation of bisphenol A from water.
Publication date: 2018
Journal: Journal of Separation Science
Volume: 41
Issue: (10)
Page numbers: 2296-2304.
DOI: 10.1002/jssc.201701452

Abstract: In this study, new bio-based magnetic molecularly imprinted polymer nanoparticles (~23 nm) were synthesized from keratin extracted from chicken feathers and methacrylate-functionalized Fe3O4 nanoparticles for its potential application in separation and removal of bisphenol A from water. The prepared magnetic molecularly imprinted polymer was characterized by Fourier-transform infrared spectroscopy, field-emission scanning electron microscopy, thermogravimetric analysis, alternative gradient field magnetometry, and energy-dispersive X-ray spectroscopy. The sorption of bisphenol A was investigated by changing the influencing factors such as pH, immersion time, Fe3O4 nanoparticles dosage, and the initial concentration of bisphenol A. Results illustrated that sorption was very fast and efficient (Qm = 600 mg/g) having a removal efficiency of ~98% in 40 min of immersion. The adsorption process showed better conformity with the Weber-Morris kinetics and the Freundlich isotherm model. The selectivity of bisphenol A by adsorbent was checked in the presence of hydroquinone, phenol, tetrabromobisphenol, and 4,4'-biphenol as interferences
Template and target information: bisphenol A, BPA
Author keywords: bisphenol A, feathers, keratin, magnetic separation, Molecularly imprinted polymers

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